[PATCH 31/50] wifi: ath12k: add mac.c

Kalle Valo
2022-08-12T16:09:44Z

From: Kalle Valo <quic_kvalo@quicinc.com>

(Patches split into one patch per file for easier review, but the final
commit will be one big patch. See the cover letter for more info.)

Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
---
drivers/net/wireless/ath/ath12k/mac.c | 7054 +++++++++++++++++++++++++++++++++
1 file changed, 7054 insertions(+)

diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
new file mode 100644
index 000000000000..2ccbd83dc9ca
--- /dev/null
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -0,0 +1,7054 @@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <net/mac80211.h>
+#include <linux/etherdevice.h>
+#include "mac.h"
+#include "core.h"
+#include "debug.h"
+#include "wmi.h"
+#include "hw.h"
+#include "dp_tx.h"
+#include "dp_rx.h"
+#include "peer.h"
+
+#define CHAN2G(_channel, _freq, _flags) { \
+ .band = NL80211_BAND_2GHZ, \
+ .hw_value = (_channel), \
+ .center_freq = (_freq), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+#define CHAN5G(_channel, _freq, _flags) { \
+ .band = NL80211_BAND_5GHZ, \
+ .hw_value = (_channel), \
+ .center_freq = (_freq), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+#define CHAN6G(_channel, _freq, _flags) { \
+ .band = NL80211_BAND_6GHZ, \
+ .hw_value = (_channel), \
+ .center_freq = (_freq), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+static const struct ieee80211_channel ath12k_2ghz_channels[] = {
+ CHAN2G(1, 2412, 0),
+ CHAN2G(2, 2417, 0),
+ CHAN2G(3, 2422, 0),
+ CHAN2G(4, 2427, 0),
+ CHAN2G(5, 2432, 0),
+ CHAN2G(6, 2437, 0),
+ CHAN2G(7, 2442, 0),
+ CHAN2G(8, 2447, 0),
+ CHAN2G(9, 2452, 0),
+ CHAN2G(10, 2457, 0),
+ CHAN2G(11, 2462, 0),
+ CHAN2G(12, 2467, 0),
+ CHAN2G(13, 2472, 0),
+ CHAN2G(14, 2484, 0),
+};
+
+static const struct ieee80211_channel ath12k_5ghz_channels[] = {
+ CHAN5G(36, 5180, 0),
+ CHAN5G(40, 5200, 0),
+ CHAN5G(44, 5220, 0),
+ CHAN5G(48, 5240, 0),
+ CHAN5G(52, 5260, 0),
+ CHAN5G(56, 5280, 0),
+ CHAN5G(60, 5300, 0),
+ CHAN5G(64, 5320, 0),
+ CHAN5G(100, 5500, 0),
+ CHAN5G(104, 5520, 0),
+ CHAN5G(108, 5540, 0),
+ CHAN5G(112, 5560, 0),
+ CHAN5G(116, 5580, 0),
+ CHAN5G(120, 5600, 0),
+ CHAN5G(124, 5620, 0),
+ CHAN5G(128, 5640, 0),
+ CHAN5G(132, 5660, 0),
+ CHAN5G(136, 5680, 0),
+ CHAN5G(140, 5700, 0),
+ CHAN5G(144, 5720, 0),
+ CHAN5G(149, 5745, 0),
+ CHAN5G(153, 5765, 0),
+ CHAN5G(157, 5785, 0),
+ CHAN5G(161, 5805, 0),
+ CHAN5G(165, 5825, 0),
+ CHAN5G(169, 5845, 0),
+ CHAN5G(173, 5865, 0),
+};
+
+static const struct ieee80211_channel ath12k_6ghz_channels[] = {
+ CHAN6G(1, 5955, 0),
+ CHAN6G(5, 5975, 0),
+ CHAN6G(9, 5995, 0),
+ CHAN6G(13, 6015, 0),
+ CHAN6G(17, 6035, 0),
+ CHAN6G(21, 6055, 0),
+ CHAN6G(25, 6075, 0),
+ CHAN6G(29, 6095, 0),
+ CHAN6G(33, 6115, 0),
+ CHAN6G(37, 6135, 0),
+ CHAN6G(41, 6155, 0),
+ CHAN6G(45, 6175, 0),
+ CHAN6G(49, 6195, 0),
+ CHAN6G(53, 6215, 0),
+ CHAN6G(57, 6235, 0),
+ CHAN6G(61, 6255, 0),
+ CHAN6G(65, 6275, 0),
+ CHAN6G(69, 6295, 0),
+ CHAN6G(73, 6315, 0),
+ CHAN6G(77, 6335, 0),
+ CHAN6G(81, 6355, 0),
+ CHAN6G(85, 6375, 0),
+ CHAN6G(89, 6395, 0),
+ CHAN6G(93, 6415, 0),
+ CHAN6G(97, 6435, 0),
+ CHAN6G(101, 6455, 0),
+ CHAN6G(105, 6475, 0),
+ CHAN6G(109, 6495, 0),
+ CHAN6G(113, 6515, 0),
+ CHAN6G(117, 6535, 0),
+ CHAN6G(121, 6555, 0),
+ CHAN6G(125, 6575, 0),
+ CHAN6G(129, 6595, 0),
+ CHAN6G(133, 6615, 0),
+ CHAN6G(137, 6635, 0),
+ CHAN6G(141, 6655, 0),
+ CHAN6G(145, 6675, 0),
+ CHAN6G(149, 6695, 0),
+ CHAN6G(153, 6715, 0),
+ CHAN6G(157, 6735, 0),
+ CHAN6G(161, 6755, 0),
+ CHAN6G(165, 6775, 0),
+ CHAN6G(169, 6795, 0),
+ CHAN6G(173, 6815, 0),
+ CHAN6G(177, 6835, 0),
+ CHAN6G(181, 6855, 0),
+ CHAN6G(185, 6875, 0),
+ CHAN6G(189, 6895, 0),
+ CHAN6G(193, 6915, 0),
+ CHAN6G(197, 6935, 0),
+ CHAN6G(201, 6955, 0),
+ CHAN6G(205, 6975, 0),
+ CHAN6G(209, 6995, 0),
+ CHAN6G(213, 7015, 0),
+ CHAN6G(217, 7035, 0),
+ CHAN6G(221, 7055, 0),
+ CHAN6G(225, 7075, 0),
+ CHAN6G(229, 7095, 0),
+ CHAN6G(233, 7115, 0),
+};
+
+static struct ieee80211_rate ath12k_legacy_rates[] = {
+ { .bitrate = 10,
+ .hw_value = ATH12K_HW_RATE_CCK_LP_1M },
+ { .bitrate = 20,
+ .hw_value = ATH12K_HW_RATE_CCK_LP_2M,
+ .hw_value_short = ATH12K_HW_RATE_CCK_SP_2M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 55,
+ .hw_value = ATH12K_HW_RATE_CCK_LP_5_5M,
+ .hw_value_short = ATH12K_HW_RATE_CCK_SP_5_5M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 110,
+ .hw_value = ATH12K_HW_RATE_CCK_LP_11M,
+ .hw_value_short = ATH12K_HW_RATE_CCK_SP_11M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+
+ { .bitrate = 60, .hw_value = ATH12K_HW_RATE_OFDM_6M },
+ { .bitrate = 90, .hw_value = ATH12K_HW_RATE_OFDM_9M },
+ { .bitrate = 120, .hw_value = ATH12K_HW_RATE_OFDM_12M },
+ { .bitrate = 180, .hw_value = ATH12K_HW_RATE_OFDM_18M },
+ { .bitrate = 240, .hw_value = ATH12K_HW_RATE_OFDM_24M },
+ { .bitrate = 360, .hw_value = ATH12K_HW_RATE_OFDM_36M },
+ { .bitrate = 480, .hw_value = ATH12K_HW_RATE_OFDM_48M },
+ { .bitrate = 540, .hw_value = ATH12K_HW_RATE_OFDM_54M },
+};
+
+static const int
+ath12k_phymodes[NUM_NL80211_BANDS][ATH12K_CHAN_WIDTH_NUM] = {
+ [NL80211_BAND_2GHZ] = {
+ [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
+ [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
+ [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20_2G,
+ [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20_2G,
+ [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40_2G,
+ [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80_2G,
+ [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN,
+ [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN,
+ },
+ [NL80211_BAND_5GHZ] = {
+ [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
+ [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
+ [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,
+ [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,
+ [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,
+ [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,
+ [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
+ [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
+ },
+ [NL80211_BAND_6GHZ] = {
+ [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
+ [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
+ [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,
+ [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,
+ [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,
+ [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,
+ [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
+ [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
+ },
+
+};
+
+const struct htt_rx_ring_tlv_filter ath12k_mac_mon_status_filter_default = {
+ .rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START |
+ HTT_RX_FILTER_TLV_FLAGS_PPDU_END |
+ HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE,
+ .pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0,
+ .pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1,
+ .pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2,
+ .pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3 |
+ HTT_RX_FP_CTRL_FILTER_FLASG3
+};
+
+#define ATH12K_MAC_FIRST_OFDM_RATE_IDX 4
+#define ath12k_g_rates ath12k_legacy_rates
+#define ath12k_g_rates_size (ARRAY_SIZE(ath12k_legacy_rates))
+#define ath12k_a_rates (ath12k_legacy_rates + 4)
+#define ath12k_a_rates_size (ARRAY_SIZE(ath12k_legacy_rates) - 4)
+
+#define ATH12K_MAC_SCAN_TIMEOUT_MSECS 200 /* in msecs */
+
+static const u32 ath12k_smps_map[] = {
+ [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
+ [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
+ [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
+ [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
+};
+
+static int ath12k_start_vdev_delay(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
+
+static const char *ath12k_mac_phymode_str(enum wmi_phy_mode mode)
+{
+ switch (mode) {
+ case MODE_11A:
+ return "11a";
+ case MODE_11G:
+ return "11g";
+ case MODE_11B:
+ return "11b";
+ case MODE_11GONLY:
+ return "11gonly";
+ case MODE_11NA_HT20:
+ return "11na-ht20";
+ case MODE_11NG_HT20:
+ return "11ng-ht20";
+ case MODE_11NA_HT40:
+ return "11na-ht40";
+ case MODE_11NG_HT40:
+ return "11ng-ht40";
+ case MODE_11AC_VHT20:
+ return "11ac-vht20";
+ case MODE_11AC_VHT40:
+ return "11ac-vht40";
+ case MODE_11AC_VHT80:
+ return "11ac-vht80";
+ case MODE_11AC_VHT160:
+ return "11ac-vht160";
+ case MODE_11AC_VHT80_80:
+ return "11ac-vht80+80";
+ case MODE_11AC_VHT20_2G:
+ return "11ac-vht20-2g";
+ case MODE_11AC_VHT40_2G:
+ return "11ac-vht40-2g";
+ case MODE_11AC_VHT80_2G:
+ return "11ac-vht80-2g";
+ case MODE_11AX_HE20:
+ return "11ax-he20";
+ case MODE_11AX_HE40:
+ return "11ax-he40";
+ case MODE_11AX_HE80:
+ return "11ax-he80";
+ case MODE_11AX_HE80_80:
+ return "11ax-he80+80";
+ case MODE_11AX_HE160:
+ return "11ax-he160";
+ case MODE_11AX_HE20_2G:
+ return "11ax-he20-2g";
+ case MODE_11AX_HE40_2G:
+ return "11ax-he40-2g";
+ case MODE_11AX_HE80_2G:
+ return "11ax-he80-2g";
+ case MODE_UNKNOWN:
+ /* skip */
+ break;
+
+ /* no default handler to allow compiler to check that the
+ * enum is fully handled
+ */
+ }
+
+ return "<unknown>";
+}
+
+u8 ath12k_mac_bw_to_mac80211_bw(u8 bw)
+{
+ u8 ret = 0;
+
+ switch (bw) {
+ case ATH12K_BW_20:
+ ret = RATE_INFO_BW_20;
+ break;
+ case ATH12K_BW_40:
+ ret = RATE_INFO_BW_40;
+ break;
+ case ATH12K_BW_80:
+ ret = RATE_INFO_BW_80;
+ break;
+ case ATH12K_BW_160:
+ ret = RATE_INFO_BW_160;
+ break;
+ }
+
+ return ret;
+}
+
+enum ath12k_supported_bw ath12k_mac_mac80211_bw_to_ath12k_bw(enum rate_info_bw bw)
+{
+ switch (bw) {
+ case RATE_INFO_BW_20:
+ return ATH12K_BW_20;
+ case RATE_INFO_BW_40:
+ return ATH12K_BW_40;
+ case RATE_INFO_BW_80:
+ return ATH12K_BW_80;
+ case RATE_INFO_BW_160:
+ return ATH12K_BW_160;
+ default:
+ return ATH12K_BW_20;
+ }
+}
+
+int ath12k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc, u8 preamble, u8 *rateidx,
+ u16 *rate)
+{
+ /* As default, it is OFDM rates */
+ int i = ATH12K_MAC_FIRST_OFDM_RATE_IDX;
+ int max_rates_idx = ath12k_g_rates_size;
+
+ if (preamble == WMI_RATE_PREAMBLE_CCK) {
+ hw_rc &= ~ATH12K_HW_RATECODE_CCK_SHORT_PREAM_MASK;
+ i = 0;
+ max_rates_idx = ATH12K_MAC_FIRST_OFDM_RATE_IDX;
+ }
+
+ while (i < max_rates_idx) {
+ if (hw_rc == ath12k_legacy_rates[i].hw_value) {
+ *rateidx = i;
+ *rate = ath12k_legacy_rates[i].bitrate;
+ return 0;
+ }
+ i++;
+ }
+
+ return -EINVAL;
+}
+
+static int get_num_chains(u32 mask)
+{
+ int num_chains = 0;
+
+ while (mask) {
+ if (mask & BIT(0))
+ num_chains++;
+ mask >>= 1;
+ }
+
+ return num_chains;
+}
+
+u8 ath12k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
+ u32 bitrate)
+{
+ int i;
+
+ for (i = 0; i < sband->n_bitrates; i++)
+ if (sband->bitrates[i].bitrate == bitrate)
+ return i;
+
+ return 0;
+}
+
+static u32
+ath12k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
+{
+ int nss;
+
+ for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
+ if (ht_mcs_mask[nss])
+ return nss + 1;
+
+ return 1;
+}
+
+static u32
+ath12k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
+{
+ int nss;
+
+ for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
+ if (vht_mcs_mask[nss])
+ return nss + 1;
+
+ return 1;
+}
+
+static u8 ath12k_parse_mpdudensity(u8 mpdudensity)
+{
+/* 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
+ * 0 for no restriction
+ * 1 for 1/4 us
+ * 2 for 1/2 us
+ * 3 for 1 us
+ * 4 for 2 us
+ * 5 for 4 us
+ * 6 for 8 us
+ * 7 for 16 us
+ */
+ switch (mpdudensity) {
+ case 0:
+ return 0;
+ case 1:
+ case 2:
+ case 3:
+ /* Our lower layer calculations limit our precision to
+ * 1 microsecond
+ */
+ return 1;
+ case 4:
+ return 2;
+ case 5:
+ return 4;
+ case 6:
+ return 8;
+ case 7:
+ return 16;
+ default:
+ return 0;
+ }
+}
+
+static int ath12k_mac_vif_chan(struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *def)
+{
+ struct ieee80211_chanctx_conf *conf;
+
+ rcu_read_lock();
+ conf = rcu_dereference(vif->bss_conf.chanctx_conf);
+ if (!conf) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ *def = conf->def;
+ rcu_read_unlock();
+
+ return 0;
+}
+
+static bool ath12k_mac_bitrate_is_cck(int bitrate)
+{
+ switch (bitrate) {
+ case 10:
+ case 20:
+ case 55:
+ case 110:
+ return true;
+ }
+
+ return false;
+}
+
+u8 ath12k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
+ u8 hw_rate, bool cck)
+{
+ const struct ieee80211_rate *rate;
+ int i;
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ rate = &sband->bitrates[i];
+
+ if (ath12k_mac_bitrate_is_cck(rate->bitrate) != cck)
+ continue;
+
+ if (rate->hw_value == hw_rate)
+ return i;
+ else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
+ rate->hw_value_short == hw_rate)
+ return i;
+ }
+
+ return 0;
+}
+
+static u8 ath12k_mac_bitrate_to_rate(int bitrate)
+{
+ return DIV_ROUND_UP(bitrate, 5) |
+ (ath12k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
+}
+
+static void ath12k_get_arvif_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k_vif_iter *arvif_iter = data;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+
+ if (arvif->vdev_id == arvif_iter->vdev_id)
+ arvif_iter->arvif = arvif;
+}
+
+struct ath12k_vif *ath12k_mac_get_arvif(struct ath12k *ar, u32 vdev_id)
+{
+ struct ath12k_vif_iter arvif_iter = {};
+ u32 flags;
+
+ arvif_iter.vdev_id = vdev_id;
+
+ flags = IEEE80211_IFACE_ITER_RESUME_ALL;
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ flags,
+ ath12k_get_arvif_iter,
+ &arvif_iter);
+ if (!arvif_iter.arvif) {
+ ath12k_warn(ar->ab, "No VIF found for vdev %d\n", vdev_id);
+ return NULL;
+ }
+
+ return arvif_iter.arvif;
+}
+
+struct ath12k_vif *ath12k_mac_get_arvif_by_vdev_id(struct ath12k_base *ab,
+ u32 vdev_id)
+{
+ int i;
+ struct ath12k_pdev *pdev;
+ struct ath12k_vif *arvif;
+
+ for (i = 0; i < ab->num_radios; i++) {
+ pdev = rcu_dereference(ab->pdevs_active[i]);
+ if (pdev && pdev->ar) {
+ arvif = ath12k_mac_get_arvif(pdev->ar, vdev_id);
+ if (arvif)
+ return arvif;
+ }
+ }
+
+ return NULL;
+}
+
+struct ath12k *ath12k_mac_get_ar_by_vdev_id(struct ath12k_base *ab, u32 vdev_id)
+{
+ int i;
+ struct ath12k_pdev *pdev;
+
+ for (i = 0; i < ab->num_radios; i++) {
+ pdev = rcu_dereference(ab->pdevs_active[i]);
+ if (pdev && pdev->ar) {
+ if (pdev->ar->allocated_vdev_map & (1LL << vdev_id))
+ return pdev->ar;
+ }
+ }
+
+ return NULL;
+}
+
+struct ath12k *ath12k_mac_get_ar_by_pdev_id(struct ath12k_base *ab, u32 pdev_id)
+{
+ int i;
+ struct ath12k_pdev *pdev;
+
+ if (ab->hw_params->single_pdev_only) {
+ pdev = rcu_dereference(ab->pdevs_active[0]);
+ return pdev ? pdev->ar : NULL;
+ }
+
+ if (WARN_ON(pdev_id > ab->num_radios))
+ return NULL;
+
+ for (i = 0; i < ab->num_radios; i++) {
+ pdev = rcu_dereference(ab->pdevs_active[i]);
+
+ if (pdev && pdev->pdev_id == pdev_id)
+ return (pdev->ar ? pdev->ar : NULL);
+ }
+
+ return NULL;
+}
+
+static void ath12k_pdev_caps_update(struct ath12k *ar)
+{
+ struct ath12k_base *ab = ar->ab;
+
+ ar->max_tx_power = ab->target_caps.hw_max_tx_power;
+
+ /* FIXME: Set min_tx_power to ab->target_caps.hw_min_tx_power.
+ * But since the received value in svcrdy is same as hw_max_tx_power,
+ * we can set ar->min_tx_power to 0 currently until
+ * this is fixed in firmware
+ */
+ ar->min_tx_power = 0;
+
+ ar->txpower_limit_2g = ar->max_tx_power;
+ ar->txpower_limit_5g = ar->max_tx_power;
+ ar->txpower_scale = WMI_HOST_TP_SCALE_MAX;
+}
+
+static int ath12k_mac_txpower_recalc(struct ath12k *ar)
+{
+ struct ath12k_pdev *pdev = ar->pdev;
+ struct ath12k_vif *arvif;
+ int ret, txpower = -1;
+ u32 param;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ if (arvif->txpower <= 0)
+ continue;
+
+ if (txpower == -1)
+ txpower = arvif->txpower;
+ else
+ txpower = min(txpower, arvif->txpower);
+ }
+
+ if (txpower == -1)
+ return 0;
+
+ /* txpwr is set as 2 units per dBm in FW*/
+ txpower = min_t(u32, max_t(u32, ar->min_tx_power, txpower),
+ ar->max_tx_power) * 2;
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "txpower to set in hw %d\n",
+ txpower / 2);
+
+ if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) &&
+ ar->txpower_limit_2g != txpower) {
+ param = WMI_PDEV_PARAM_TXPOWER_LIMIT2G;
+ ret = ath12k_wmi_pdev_set_param(ar, param,
+ txpower, ar->pdev->pdev_id);
+ if (ret)
+ goto fail;
+ ar->txpower_limit_2g = txpower;
+ }
+
+ if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) &&
+ ar->txpower_limit_5g != txpower) {
+ param = WMI_PDEV_PARAM_TXPOWER_LIMIT5G;
+ ret = ath12k_wmi_pdev_set_param(ar, param,
+ txpower, ar->pdev->pdev_id);
+ if (ret)
+ goto fail;
+ ar->txpower_limit_5g = txpower;
+ }
+
+ return 0;
+
+fail:
+ ath12k_warn(ar->ab, "failed to recalc txpower limit %d using pdev param %d: %d\n",
+ txpower / 2, param, ret);
+ return ret;
+}
+
+static int ath12k_recalc_rtscts_prot(struct ath12k_vif *arvif)
+{
+ struct ath12k *ar = arvif->ar;
+ u32 vdev_param, rts_cts = 0;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ vdev_param = WMI_VDEV_PARAM_ENABLE_RTSCTS;
+
+ /* Enable RTS/CTS protection for sw retries (when legacy stations
+ * are in BSS) or by default only for second rate series.
+ * TODO: Check if we need to enable CTS 2 Self in any case
+ */
+ rts_cts = WMI_USE_RTS_CTS;
+
+ if (arvif->num_legacy_stations > 0)
+ rts_cts |= WMI_RTSCTS_ACROSS_SW_RETRIES << 4;
+ else
+ rts_cts |= WMI_RTSCTS_FOR_SECOND_RATESERIES << 4;
+
+ /* Need not send duplicate param value to firmware */
+ if (arvif->rtscts_prot_mode == rts_cts)
+ return 0;
+
+ arvif->rtscts_prot_mode = rts_cts;
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac vdev %d recalc rts/cts prot %d\n",
+ arvif->vdev_id, rts_cts);
+
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, rts_cts);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to recalculate rts/cts prot for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+
+ return ret;
+}
+
+static int ath12k_mac_set_kickout(struct ath12k_vif *arvif)
+{
+ struct ath12k *ar = arvif->ar;
+ u32 param;
+ int ret;
+
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_STA_KICKOUT_TH,
+ ATH12K_KICKOUT_THRESHOLD,
+ ar->pdev->pdev_id);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set kickout threshold on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ param = WMI_VDEV_PARAM_AP_KEEPALIVE_MIN_IDLE_INACTIVE_TIME_SECS;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
+ ATH12K_KEEPALIVE_MIN_IDLE);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set keepalive minimum idle time on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_IDLE_INACTIVE_TIME_SECS;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
+ ATH12K_KEEPALIVE_MAX_IDLE);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set keepalive maximum idle time on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_UNRESPONSIVE_TIME_SECS;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
+ ATH12K_KEEPALIVE_MAX_UNRESPONSIVE);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+void ath12k_mac_peer_cleanup_all(struct ath12k *ar)
+{
+ struct ath12k_peer *peer, *tmp;
+ struct ath12k_base *ab = ar->ab;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ spin_lock_bh(&ab->base_lock);
+ list_for_each_entry_safe(peer, tmp, &ab->peers, list) {
+ ath12k_dp_rx_peer_tid_cleanup(ar, peer);
+ list_del(&peer->list);
+ kfree(peer);
+ }
+ spin_unlock_bh(&ab->base_lock);
+
+ ar->num_peers = 0;
+ ar->num_stations = 0;
+}
+
+static int ath12k_mac_vdev_setup_sync(struct ath12k *ar)
+{
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (test_bit(ATH12K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
+ return -ESHUTDOWN;
+
+ if (!wait_for_completion_timeout(&ar->vdev_setup_done,
+ ATH12K_VDEV_SETUP_TIMEOUT_HZ))
+ return -ETIMEDOUT;
+
+ return ar->last_wmi_vdev_start_status ? -EINVAL : 0;
+}
+
+static int ath12k_monitor_vdev_up(struct ath12k *ar, int vdev_id)
+{
+ int ret = 0;
+
+ ret = ath12k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to put up monitor vdev %i: %d\n",
+ vdev_id, ret);
+ return ret;
+ }
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor vdev %i started\n",
+ vdev_id);
+ return 0;
+}
+
+static int ath12k_mac_monitor_vdev_start(struct ath12k *ar, int vdev_id,
+ struct cfg80211_chan_def *chandef)
+{
+ struct ieee80211_channel *channel = NULL;
+ struct wmi_vdev_start_req_arg arg = {};
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ channel = chandef->chan;
+ arg.vdev_id = vdev_id;
+ arg.freq = channel->center_freq;
+ arg.band_center_freq1 = chandef->center_freq1;
+ arg.band_center_freq2 = chandef->center_freq2;
+ arg.mode = ath12k_phymodes[chandef->chan->band][chandef->width];
+ arg.chan_radar = !!(channel->flags & IEEE80211_CHAN_RADAR);
+
+ arg.min_power = 0;
+ arg.max_power = channel->max_power;
+ arg.max_reg_power = channel->max_reg_power;
+ arg.max_antenna_gain = channel->max_antenna_gain;
+
+ arg.pref_tx_streams = ar->num_tx_chains;
+ arg.pref_rx_streams = ar->num_rx_chains;
+
+ arg.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR);
+
+ reinit_completion(&ar->vdev_setup_done);
+ reinit_completion(&ar->vdev_delete_done);
+
+ ret = ath12k_wmi_vdev_start(ar, &arg, false);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to request monitor vdev %i start: %d\n",
+ vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath12k_mac_vdev_setup_sync(ar);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to synchronize setup for monitor vdev %i start: %d\n",
+ vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath12k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to put up monitor vdev %i: %d\n",
+ vdev_id, ret);
+ goto vdev_stop;
+ }
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor vdev %i started\n",
+ vdev_id);
+ return 0;
+
+vdev_stop:
+ ret = ath12k_wmi_vdev_stop(ar, vdev_id);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to stop monitor vdev %i after start failure: %d\n",
+ vdev_id, ret);
+ return ret;
+}
+
+static int ath12k_mac_monitor_vdev_stop(struct ath12k *ar)
+{
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ reinit_completion(&ar->vdev_setup_done);
+
+ ret = ath12k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to request monitor vdev %i stop: %d\n",
+ ar->monitor_vdev_id, ret);
+
+ ret = ath12k_mac_vdev_setup_sync(ar);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to synchronize monitor vdev %i stop: %d\n",
+ ar->monitor_vdev_id, ret);
+
+ ret = ath12k_wmi_vdev_down(ar, ar->monitor_vdev_id);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to put down monitor vdev %i: %d\n",
+ ar->monitor_vdev_id, ret);
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor vdev %i stopped\n",
+ ar->monitor_vdev_id);
+ return ret;
+}
+
+static int ath12k_mac_monitor_vdev_create(struct ath12k *ar)
+{
+ struct ath12k_pdev *pdev = ar->pdev;
+ struct ath12k_wmi_vdev_create_arg arg = {};
+ int bit, ret = 0;
+ u8 tmp_addr[6] = {0};
+ u16 nss = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (ar->monitor_vdev_created)
+ return 0;
+
+ if (ar->ab->free_vdev_map == 0) {
+ ath12k_warn(ar->ab, "failed to find free vdev id for monitor vdev\n");
+ return -ENOMEM;
+ }
+
+ bit = __ffs64(ar->ab->free_vdev_map);
+
+ ar->monitor_vdev_id = bit;
+
+ arg.if_id = ar->monitor_vdev_id;
+ arg.type = WMI_VDEV_TYPE_MONITOR;
+ arg.subtype = WMI_VDEV_SUBTYPE_NONE;
+ arg.pdev_id = pdev->pdev_id;
+ arg.if_stats_id = ATH12K_INVAL_VDEV_STATS_ID;
+
+ if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) {
+ arg.chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains;
+ arg.chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains;
+ }
+
+ if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) {
+ arg.chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;
+ arg.chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;
+ }
+
+ ret = ath12k_wmi_vdev_create(ar, tmp_addr, &arg);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to request monitor vdev %i creation: %d\n",
+ ar->monitor_vdev_id, ret);
+ ar->monitor_vdev_id = -1;
+ return ret;
+ }
+
+ nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, ar->monitor_vdev_id,
+ WMI_VDEV_PARAM_NSS, nss);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n",
+ ar->monitor_vdev_id, ar->cfg_tx_chainmask, nss, ret);
+ return ret;
+ }
+
+ ret = ath12k_mac_txpower_recalc(ar);
+ if (ret)
+ return ret;
+
+ ar->allocated_vdev_map |= 1LL << ar->monitor_vdev_id;
+ ar->ab->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
+ ar->num_created_vdevs++;
+ ar->monitor_vdev_created = true;
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor vdev %d created\n",
+ ar->monitor_vdev_id);
+
+ return 0;
+}
+
+static int ath12k_mac_monitor_vdev_delete(struct ath12k *ar)
+{
+ int ret = 0;
+ unsigned long time_left = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!ar->monitor_vdev_created)
+ return 0;
+
+ reinit_completion(&ar->vdev_delete_done);
+
+ ret = ath12k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to request wmi monitor vdev %i removal: %d\n",
+ ar->monitor_vdev_id, ret);
+ return ret;
+ }
+
+ time_left = wait_for_completion_timeout(&ar->vdev_delete_done,
+ ATH12K_VDEV_DELETE_TIMEOUT_HZ);
+ if (time_left == 0) {
+ ath12k_warn(ar->ab, "Timeout in receiving vdev delete response\n");
+ } else {
+ ar->allocated_vdev_map &= ~(1LL << ar->monitor_vdev_id);
+ ar->ab->free_vdev_map |= 1LL << (ar->monitor_vdev_id);
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor vdev %d deleted\n",
+ ar->monitor_vdev_id);
+ ar->num_created_vdevs--;
+ ar->monitor_vdev_id = -1;
+ ar->monitor_vdev_created = false;
+ }
+
+ return ret;
+}
+
+static void
+ath12k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ void *data)
+{
+ struct cfg80211_chan_def **def = data;
+
+ *def = &conf->def;
+}
+
+static int ath12k_mac_monitor_start(struct ath12k *ar)
+{
+ struct cfg80211_chan_def *chandef = NULL;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (ar->monitor_started)
+ return 0;
+
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath12k_mac_get_any_chandef_iter,
+ &chandef);
+ if (!chandef)
+ return 0;
+
+ ret = ath12k_mac_monitor_vdev_start(ar, ar->monitor_vdev_id, chandef);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to start monitor vdev: %d\n", ret);
+ ath12k_mac_monitor_vdev_delete(ar);
+ return ret;
+ }
+
+ ar->monitor_started = true;
+ ar->num_started_vdevs++;
+ ret = ath12k_dp_tx_htt_monitor_mode_ring_config(ar, false);
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor started ret %d\n", ret);
+
+ return ret;
+}
+
+static int ath12k_mac_monitor_stop(struct ath12k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!ar->monitor_started)
+ return 0;
+
+ ret = ath12k_mac_monitor_vdev_stop(ar);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to stop monitor vdev: %d\n", ret);
+ return ret;
+ }
+
+ ar->monitor_started = false;
+ ar->num_started_vdevs--;
+ ret = ath12k_dp_tx_htt_monitor_mode_ring_config(ar, true);
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor stopped ret %d\n", ret);
+ return ret;
+}
+
+static int ath12k_mac_op_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct ath12k *ar = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ ar->monitor_conf_enabled = conf->flags & IEEE80211_CONF_MONITOR;
+ if (ar->monitor_conf_enabled) {
+ if (ar->monitor_vdev_created)
+ goto exit;
+ ret = ath12k_mac_monitor_vdev_create(ar);
+ if (ret)
+ goto exit;
+ ret = ath12k_mac_monitor_start(ar);
+ if (ret)
+ goto err_mon_del;
+ } else {
+ if (!ar->monitor_vdev_created)
+ goto exit;
+ ret = ath12k_mac_monitor_stop(ar);
+ if (ret)
+ goto exit;
+ ath12k_mac_monitor_vdev_delete(ar);
+ }
+ }
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+
+err_mon_del:
+ ath12k_mac_monitor_vdev_delete(ar);
+ mutex_unlock(&ar->conf_mutex);
+ return 0;
+}
+
+static int ath12k_mac_setup_bcn_tmpl(struct ath12k_vif *arvif)
+{
+ struct ath12k *ar = arvif->ar;
+ struct ath12k_base *ab = ar->ab;
+ struct ieee80211_hw *hw = ar->hw;
+ struct ieee80211_vif *vif = arvif->vif;
+ struct ieee80211_mutable_offsets offs = {};
+ struct sk_buff *bcn;
+ struct ieee80211_mgmt *mgmt;
+ u8 *ies;
+ int ret;
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
+ return 0;
+
+ bcn = ieee80211_beacon_get_template(hw, vif, &offs, 0);
+ if (!bcn) {
+ ath12k_warn(ab, "failed to get beacon template from mac80211\n");
+ return -EPERM;
+ }
+
+ ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn);
+ ies += sizeof(mgmt->u.beacon);
+
+ if (cfg80211_find_ie(WLAN_EID_RSN, ies, (skb_tail_pointer(bcn) - ies)))
+ arvif->rsnie_present = true;
+
+ if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+ WLAN_OUI_TYPE_MICROSOFT_WPA,
+ ies, (skb_tail_pointer(bcn) - ies)))
+ arvif->wpaie_present = true;
+
+ ret = ath12k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn);
+
+ kfree_skb(bcn);
+
+ if (ret)
+ ath12k_warn(ab, "failed to submit beacon template command: %d\n",
+ ret);
+
+ return ret;
+}
+
+static void ath12k_control_beaconing(struct ath12k_vif *arvif,
+ struct ieee80211_bss_conf *info)
+{
+ struct ath12k *ar = arvif->ar;
+ int ret = 0;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (!info->enable_beacon) {
+ ret = ath12k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to down vdev_id %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_up = false;
+ return;
+ }
+
+ /* Install the beacon template to the FW */
+ ret = ath12k_mac_setup_bcn_tmpl(arvif);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to update bcn tmpl during vdev up: %d\n",
+ ret);
+ return;
+ }
+
+ arvif->tx_seq_no = 0x1000;
+
+ arvif->aid = 0;
+
+ ether_addr_copy(arvif->bssid, info->bssid);
+
+ ret = ath12k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
+ arvif->bssid);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to bring up vdev %d: %i\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ arvif->is_up = true;
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
+}
+
+static void ath12k_peer_assoc_h_basic(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ u32 aid;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (vif->type == NL80211_IFTYPE_STATION)
+ aid = vif->cfg.aid;
+ else
+ aid = sta->aid;
+
+ ether_addr_copy(arg->peer_mac, sta->addr);
+ arg->vdev_id = arvif->vdev_id;
+ arg->peer_associd = aid;
+ arg->auth_flag = true;
+ /* TODO: STA WAR in ath10k for listen interval required? */
+ arg->peer_listen_intval = ar->hw->conf.listen_interval;
+ arg->peer_nss = 1;
+ arg->peer_caps = vif->bss_conf.assoc_capability;
+}
+
+static void ath12k_peer_assoc_h_crypto(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ struct ieee80211_bss_conf *info = &vif->bss_conf;
+ struct cfg80211_chan_def def;
+ struct cfg80211_bss *bss;
+ struct ath12k_vif *arvif = (struct ath12k_vif *)vif->drv_priv;
+ const u8 *rsnie = NULL;
+ const u8 *wpaie = NULL;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(ath12k_mac_vif_chan(vif, &def)))
+ return;
+
+ bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
+ IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
+
+ if (arvif->rsnie_present || arvif->wpaie_present) {
+ arg->need_ptk_4_way = true;
+ if (arvif->wpaie_present)
+ arg->need_gtk_2_way = true;
+ } else if (bss) {
+ const struct cfg80211_bss_ies *ies;
+
+ rcu_read_lock();
+ rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
+
+ ies = rcu_dereference(bss->ies);
+
+ wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+ WLAN_OUI_TYPE_MICROSOFT_WPA,
+ ies->data,
+ ies->len);
+ rcu_read_unlock();
+ cfg80211_put_bss(ar->hw->wiphy, bss);
+ }
+
+ /* FIXME: base on RSN IE/WPA IE is a correct idea? */
+ if (rsnie || wpaie) {
+ ath12k_dbg(ar->ab, ATH12K_DBG_WMI,
+ "%s: rsn ie found\n", __func__);
+ arg->need_ptk_4_way = true;
+ }
+
+ if (wpaie) {
+ ath12k_dbg(ar->ab, ATH12K_DBG_WMI,
+ "%s: wpa ie found\n", __func__);
+ arg->need_gtk_2_way = true;
+ }
+
+ if (sta->mfp) {
+ /* TODO: Need to check if FW supports PMF? */
+ arg->is_pmf_enabled = true;
+ }
+
+ /* TODO: safe_mode_enabled (bypass 4-way handshake) flag req? */
+}
+
+static void ath12k_peer_assoc_h_rates(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
+ struct cfg80211_chan_def def;
+ const struct ieee80211_supported_band *sband;
+ const struct ieee80211_rate *rates;
+ enum nl80211_band band;
+ u32 ratemask;
+ u8 rate;
+ int i;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(ath12k_mac_vif_chan(vif, &def)))
+ return;
+
+ band = def.chan->band;
+ sband = ar->hw->wiphy->bands[band];
+ ratemask = sta->deflink.supp_rates[band];
+ ratemask &= arvif->bitrate_mask.control[band].legacy;
+ rates = sband->bitrates;
+
+ rateset->num_rates = 0;
+
+ for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
+ if (!(ratemask & 1))
+ continue;
+
+ rate = ath12k_mac_bitrate_to_rate(rates->bitrate);
+ rateset->rates[rateset->num_rates] = rate;
+ rateset->num_rates++;
+ }
+}
+
+static bool
+ath12k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
+{
+ int nss;
+
+ for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
+ if (ht_mcs_mask[nss])
+ return false;
+
+ return true;
+}
+
+static bool
+ath12k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
+{
+ int nss;
+
+ for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
+ if (vht_mcs_mask[nss])
+ return false;
+
+ return true;
+}
+
+static void ath12k_peer_assoc_h_ht(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ int i, n;
+ u8 max_nss;
+ u32 stbc;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(ath12k_mac_vif_chan(vif, &def)))
+ return;
+
+ if (!ht_cap->ht_supported)
+ return;
+
+ band = def.chan->band;
+ ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
+
+ if (ath12k_peer_assoc_h_ht_masked(ht_mcs_mask))
+ return;
+
+ arg->ht_flag = true;
+
+ arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+ ht_cap->ampdu_factor)) - 1;
+
+ arg->peer_mpdu_density =
+ ath12k_parse_mpdudensity(ht_cap->ampdu_density);
+
+ arg->peer_ht_caps = ht_cap->cap;
+ arg->peer_rate_caps |= WMI_HOST_RC_HT_FLAG;
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
+ arg->ldpc_flag = true;
+
+ if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) {
+ arg->bw_40 = true;
+ arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG;
+ }
+
+ if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
+ if (ht_cap->cap & (IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40))
+ arg->peer_rate_caps |= WMI_HOST_RC_SGI_FLAG;
+ }
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
+ arg->peer_rate_caps |= WMI_HOST_RC_TX_STBC_FLAG;
+ arg->stbc_flag = true;
+ }
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
+ stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
+ stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
+ stbc = stbc << WMI_HOST_RC_RX_STBC_FLAG_S;
+ arg->peer_rate_caps |= stbc;
+ arg->stbc_flag = true;
+ }
+
+ if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
+ arg->peer_rate_caps |= WMI_HOST_RC_TS_FLAG;
+ else if (ht_cap->mcs.rx_mask[1])
+ arg->peer_rate_caps |= WMI_HOST_RC_DS_FLAG;
+
+ for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
+ if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
+ (ht_mcs_mask[i / 8] & BIT(i % 8))) {
+ max_nss = (i / 8) + 1;
+ arg->peer_ht_rates.rates[n++] = i;
+ }
+
+ /* This is a workaround for HT-enabled STAs which break the spec
+ * and have no HT capabilities RX mask (no HT RX MCS map).
+ *
+ * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
+ * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
+ *
+ * Firmware asserts if such situation occurs.
+ */
+ if (n == 0) {
+ arg->peer_ht_rates.num_rates = 8;
+ for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
+ arg->peer_ht_rates.rates[i] = i;
+ } else {
+ arg->peer_ht_rates.num_rates = n;
+ arg->peer_nss = min(sta->deflink.rx_nss, max_nss);
+ }
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
+ arg->peer_mac,
+ arg->peer_ht_rates.num_rates,
+ arg->peer_nss);
+}
+
+static int ath12k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
+{
+ switch ((mcs_map >> (2 * nss)) & 0x3) {
+ case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
+ case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
+ case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
+ }
+ return 0;
+}
+
+static u16
+ath12k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
+ const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
+{
+ int idx_limit;
+ int nss;
+ u16 mcs_map;
+ u16 mcs;
+
+ for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
+ mcs_map = ath12k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
+ vht_mcs_limit[nss];
+
+ if (mcs_map)
+ idx_limit = fls(mcs_map) - 1;
+ else
+ idx_limit = -1;
+
+ switch (idx_limit) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
+ break;
+ case 8:
+ mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
+ break;
+ case 9:
+ mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
+ break;
+ default:
+ WARN_ON(1);
+ fallthrough;
+ case -1:
+ mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ break;
+ }
+
+ tx_mcs_set &= ~(0x3 << (nss * 2));
+ tx_mcs_set |= mcs << (nss * 2);
+ }
+
+ return tx_mcs_set;
+}
+
+static void ath12k_peer_assoc_h_vht(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u16 *vht_mcs_mask;
+ u16 tx_mcs_map;
+ u8 ampdu_factor;
+ u8 max_nss, vht_mcs;
+ int i;
+
+ if (WARN_ON(ath12k_mac_vif_chan(vif, &def)))
+ return;
+
+ if (!vht_cap->vht_supported)
+ return;
+
+ band = def.chan->band;
+ vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
+
+ if (ath12k_peer_assoc_h_vht_masked(vht_mcs_mask))
+ return;
+
+ arg->vht_flag = true;
+
+ /* TODO: similar flags required? */
+ arg->vht_capable = true;
+
+ if (def.chan->band == NL80211_BAND_2GHZ)
+ arg->vht_ng_flag = true;
+
+ arg->peer_vht_caps = vht_cap->cap;
+
+ ampdu_factor = (vht_cap->cap &
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+
+ /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
+ * zero in VHT IE. Using it would result in degraded throughput.
+ * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
+ * it if VHT max_mpdu is smaller.
+ */
+ arg->peer_max_mpdu = max(arg->peer_max_mpdu,
+ (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+ ampdu_factor)) - 1);
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
+ arg->bw_80 = true;
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160)
+ arg->bw_160 = true;
+
+ /* Calculate peer NSS capability from VHT capabilities if STA
+ * supports VHT.
+ */
+ for (i = 0, max_nss = 0, vht_mcs = 0; i < NL80211_VHT_NSS_MAX; i++) {
+ vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >>
+ (2 * i) & 3;
+
+ if (vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED &&
+ vht_mcs_mask[i])
+ max_nss = i + 1;
+ }
+ arg->peer_nss = min(sta->deflink.rx_nss, max_nss);
+ arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
+ arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
+ arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
+
+ tx_mcs_map = __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map);
+ arg->tx_mcs_set = ath12k_peer_assoc_h_vht_limit(tx_mcs_map, vht_mcs_mask);
+
+ /* In IPQ8074 platform, VHT mcs rate 10 and 11 is enabled by default.
+ * VHT mcs rate 10 and 11 is not suppoerted in 11ac standard.
+ * so explicitly disable the VHT MCS rate 10 and 11 in 11ac mode.
+ */
+ arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK;
+ arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11;
+
+ if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) ==
+ IEEE80211_VHT_MCS_NOT_SUPPORTED)
+ arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+
+ /* TODO: Check */
+ arg->tx_max_mcs_nss = 0xFF;
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
+ sta->addr, arg->peer_max_mpdu, arg->peer_flags);
+
+ /* TODO: rxnss_override */
+}
+
+static void ath12k_peer_assoc_h_he(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
+ int i;
+ u8 ampdu_factor, rx_mcs_80, rx_mcs_160, max_nss;
+ u16 mcs_160_map, mcs_80_map;
+ bool support_160;
+ u16 v;
+
+ if (!he_cap->has_he)
+ return;
+
+ arg->he_flag = true;
+
+ support_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G);
+
+ /* Supported HE-MCS and NSS Set of peer he_cap is intersection with self he_cp */
+ mcs_160_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);
+ mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);
+
+ if (support_160) {
+ for (i = 7; i >= 0; i--) {
+ u8 mcs_160 = (mcs_160_map >> (2 * i)) & 3;
+
+ if (mcs_160 != IEEE80211_HE_MCS_NOT_SUPPORTED) {
+ rx_mcs_160 = i + 1;
+ break;
+ }
+ }
+ }
+
+ for (i = 7; i >= 0; i--) {
+ u8 mcs_80 = (mcs_80_map >> (2 * i)) & 3;
+
+ if (mcs_80 != IEEE80211_HE_MCS_NOT_SUPPORTED) {
+ rx_mcs_80 = i + 1;
+ break;
+ }
+ }
+
+ if (support_160)
+ max_nss = min(rx_mcs_80, rx_mcs_160);
+ else
+ max_nss = rx_mcs_80;
+
+ arg->peer_nss = min(sta->deflink.rx_nss, max_nss);
+
+ memcpy(&arg->peer_he_cap_macinfo, he_cap->he_cap_elem.mac_cap_info,
+ sizeof(arg->peer_he_cap_macinfo));
+ memcpy(&arg->peer_he_cap_phyinfo, he_cap->he_cap_elem.phy_cap_info,
+ sizeof(arg->peer_he_cap_phyinfo));
+ arg->peer_he_ops = vif->bss_conf.he_oper.params;
+
+ /* the top most byte is used to indicate BSS color info */
+ arg->peer_he_ops &= 0xffffff;
+
+ /* As per section 26.6.1 11ax Draft5.0, if the Max AMPDU Exponent Extension
+ * in HE cap is zero, use the arg->peer_max_mpdu as calculated while parsing
+ * VHT caps(if VHT caps is present) or HT caps (if VHT caps is not present).
+ *
+ * For non-zero value of Max AMPDU Extponent Extension in HE MAC caps,
+ * if a HE STA sends VHT cap and HE cap IE in assoc request then, use
+ * MAX_AMPDU_LEN_FACTOR as 20 to calculate max_ampdu length.
+ * If a HE STA that does not send VHT cap, but HE and HT cap in assoc
+ * request, then use MAX_AMPDU_LEN_FACTOR as 16 to calculate max_ampdu
+ * length.
+ */
+ ampdu_factor = (he_cap->he_cap_elem.mac_cap_info[3] &
+ IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) >>
+ IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK;
+
+ if (ampdu_factor) {
+ if (sta->deflink.vht_cap.vht_supported)
+ arg->peer_max_mpdu = (1 << (IEEE80211_HE_VHT_MAX_AMPDU_FACTOR +
+ ampdu_factor)) - 1;
+ else if (sta->deflink.ht_cap.ht_supported)
+ arg->peer_max_mpdu = (1 << (IEEE80211_HE_HT_MAX_AMPDU_FACTOR +
+ ampdu_factor)) - 1;
+ }
+
+ if (he_cap->he_cap_elem.phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
+ int bit = 7;
+ int nss, ru;
+
+ arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] &
+ IEEE80211_PPE_THRES_NSS_MASK;
+ arg->peer_ppet.ru_bit_mask =
+ (he_cap->ppe_thres[0] &
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >>
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS;
+
+ for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) {
+ for (ru = 0; ru < 4; ru++) {
+ u32 val = 0;
+ int i;
+
+ if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0)
+ continue;
+ for (i = 0; i < 6; i++) {
+ val >>= 1;
+ val |= ((he_cap->ppe_thres[bit / 8] >>
+ (bit % 8)) & 0x1) << 5;
+ bit++;
+ }
+ arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |=
+ val << (ru * 6);
+ }
+ }
+ }
+
+ if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_RES)
+ arg->twt_responder = true;
+ if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ)
+ arg->twt_requester = true;
+
+ switch (sta->deflink.bandwidth) {
+ case IEEE80211_STA_RX_BW_160:
+ if (he_cap->he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
+ v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80p80);
+ arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;
+
+ v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80p80);
+ arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;
+
+ arg->peer_he_mcs_count++;
+ }
+ v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);
+ arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;
+
+ v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_160);
+ arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;
+
+ arg->peer_he_mcs_count++;
+ fallthrough;
+
+ default:
+ v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);
+ arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;
+
+ v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
+ arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;
+
+ arg->peer_he_mcs_count++;
+ break;
+ }
+}
+
+static void ath12k_peer_assoc_h_smps(struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;
+ int smps;
+
+ if (!ht_cap->ht_supported)
+ return;
+
+ smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
+ smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
+
+ switch (smps) {
+ case WLAN_HT_CAP_SM_PS_STATIC:
+ arg->static_mimops_flag = true;
+ break;
+ case WLAN_HT_CAP_SM_PS_DYNAMIC:
+ arg->dynamic_mimops_flag = true;
+ break;
+ case WLAN_HT_CAP_SM_PS_DISABLED:
+ arg->spatial_mux_flag = true;
+ break;
+ default:
+ break;
+ }
+}
+
+static void ath12k_peer_assoc_h_qos(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+
+ switch (arvif->vdev_type) {
+ case WMI_VDEV_TYPE_AP:
+ if (sta->wme) {
+ /* TODO: Check WME vs QoS */
+ arg->is_wme_set = true;
+ arg->qos_flag = true;
+ }
+
+ if (sta->wme && sta->uapsd_queues) {
+ /* TODO: Check WME vs QoS */
+ arg->is_wme_set = true;
+ arg->apsd_flag = true;
+ arg->peer_rate_caps |= WMI_HOST_RC_UAPSD_FLAG;
+ }
+ break;
+ case WMI_VDEV_TYPE_STA:
+ if (sta->wme) {
+ arg->is_wme_set = true;
+ arg->qos_flag = true;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac peer %pM qos %d\n",
+ sta->addr, arg->qos_flag);
+}
+
+static int ath12k_peer_assoc_qos_ap(struct ath12k *ar,
+ struct ath12k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k_wmi_ap_ps_arg arg;
+ u32 max_sp;
+ u32 uapsd;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ arg.vdev_id = arvif->vdev_id;
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
+ sta->uapsd_queues, sta->max_sp);
+
+ uapsd = 0;
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
+ uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
+ uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
+ uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
+ uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
+
+ max_sp = 0;
+ if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
+ max_sp = sta->max_sp;
+
+ arg.param = WMI_AP_PS_PEER_PARAM_UAPSD;
+ arg.value = uapsd;
+ ret = ath12k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, &arg);
+ if (ret)
+ goto err;
+
+ arg.param = WMI_AP_PS_PEER_PARAM_MAX_SP;
+ arg.value = max_sp;
+ ret = ath12k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, &arg);
+ if (ret)
+ goto err;
+
+ /* TODO: revisit during testing */
+ arg.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_FRMTYPE;
+ arg.value = DISABLE_SIFS_RESPONSE_TRIGGER;
+ ret = ath12k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, &arg);
+ if (ret)
+ goto err;
+
+ arg.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_UAPSD;
+ arg.value = DISABLE_SIFS_RESPONSE_TRIGGER;
+ ret = ath12k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, &arg);
+ if (ret)
+ goto err;
+
+ return 0;
+
+err:
+ ath12k_warn(ar->ab, "failed to set ap ps peer param %d for vdev %i: %d\n",
+ arg.param, arvif->vdev_id, ret);
+ return ret;
+}
+
+static bool ath12k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
+{
+ return sta->deflink.supp_rates[NL80211_BAND_2GHZ] >>
+ ATH12K_MAC_FIRST_OFDM_RATE_IDX;
+}
+
+static enum wmi_phy_mode ath12k_mac_get_phymode_vht(struct ath12k *ar,
+ struct ieee80211_sta *sta)
+{
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) {
+ switch (sta->deflink.vht_cap.cap &
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
+ case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
+ return MODE_11AC_VHT160;
+ case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
+ return MODE_11AC_VHT80_80;
+ default:
+ /* not sure if this is a valid case? */
+ return MODE_11AC_VHT160;
+ }
+ }
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
+ return MODE_11AC_VHT80;
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
+ return MODE_11AC_VHT40;
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20)
+ return MODE_11AC_VHT20;
+
+ return MODE_UNKNOWN;
+}
+
+static enum wmi_phy_mode ath12k_mac_get_phymode_he(struct ath12k *ar,
+ struct ieee80211_sta *sta)
+{
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) {
+ if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
+ return MODE_11AX_HE160;
+ else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
+ return MODE_11AX_HE80_80;
+ /* not sure if this is a valid case? */
+ return MODE_11AX_HE160;
+ }
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
+ return MODE_11AX_HE80;
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
+ return MODE_11AX_HE40;
+
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20)
+ return MODE_11AX_HE20;
+
+ return MODE_UNKNOWN;
+}
+
+static void ath12k_peer_assoc_h_phymode(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg)
+{
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ const u16 *vht_mcs_mask;
+ enum wmi_phy_mode phymode = MODE_UNKNOWN;
+
+ if (WARN_ON(ath12k_mac_vif_chan(vif, &def)))
+ return;
+
+ band = def.chan->band;
+ ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
+ vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
+
+ switch (band) {
+ case NL80211_BAND_2GHZ:
+ if (sta->deflink.he_cap.has_he) {
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
+ phymode = MODE_11AX_HE80_2G;
+ else if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11AX_HE40_2G;
+ else
+ phymode = MODE_11AX_HE20_2G;
+ } else if (sta->deflink.vht_cap.vht_supported &&
+ !ath12k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11AC_VHT40;
+ else
+ phymode = MODE_11AC_VHT20;
+ } else if (sta->deflink.ht_cap.ht_supported &&
+ !ath12k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
+ if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11NG_HT40;
+ else
+ phymode = MODE_11NG_HT20;
+ } else if (ath12k_mac_sta_has_ofdm_only(sta)) {
+ phymode = MODE_11G;
+ } else {
+ phymode = MODE_11B;
+ }
+ break;
+ case NL80211_BAND_5GHZ:
+ case NL80211_BAND_6GHZ:
+ /* Check HE first */
+ if (sta->deflink.he_cap.has_he) {
+ phymode = ath12k_mac_get_phymode_he(ar, sta);
+ } else if (sta->deflink.vht_cap.vht_supported &&
+ !ath12k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
+ phymode = ath12k_mac_get_phymode_vht(ar, sta);
+ } else if (sta->deflink.ht_cap.ht_supported &&
+ !ath12k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
+ if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11NA_HT40;
+ else
+ phymode = MODE_11NA_HT20;
+ } else {
+ phymode = MODE_11A;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac peer %pM phymode %s\n",
+ sta->addr, ath12k_mac_phymode_str(phymode));
+
+ arg->peer_phymode = phymode;
+ WARN_ON(phymode == MODE_UNKNOWN);
+}
+
+static void ath12k_peer_assoc_prepare(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ath12k_wmi_peer_assoc_arg *arg,
+ bool reassoc)
+{
+ lockdep_assert_held(&ar->conf_mutex);
+
+ memset(arg, 0, sizeof(*arg));
+
+ reinit_completion(&ar->peer_assoc_done);
+
+ arg->peer_new_assoc = !reassoc;
+ ath12k_peer_assoc_h_basic(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_crypto(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_rates(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_ht(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_vht(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_he(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_qos(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_phymode(ar, vif, sta, arg);
+ ath12k_peer_assoc_h_smps(sta, arg);
+
+ /* TODO: amsdu_disable req? */
+}
+
+static int ath12k_setup_peer_smps(struct ath12k *ar, struct ath12k_vif *arvif,
+ const u8 *addr,
+ const struct ieee80211_sta_ht_cap *ht_cap)
+{
+ int smps;
+
+ if (!ht_cap->ht_supported)
+ return 0;
+
+ smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
+ smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
+
+ if (smps >= ARRAY_SIZE(ath12k_smps_map))
+ return -EINVAL;
+
+ return ath12k_wmi_set_peer_param(ar, addr, arvif->vdev_id,
+ WMI_PEER_MIMO_PS_STATE,
+ ath12k_smps_map[smps]);
+}
+
+static void ath12k_bss_assoc(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_wmi_peer_assoc_arg peer_arg;
+ struct ieee80211_sta *ap_sta;
+ struct ath12k_peer *peer;
+ bool is_auth = false;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
+ arvif->vdev_id, arvif->bssid, arvif->aid);
+
+ rcu_read_lock();
+
+ ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
+ if (!ap_sta) {
+ ath12k_warn(ar->ab, "failed to find station entry for bss %pM vdev %i\n",
+ bss_conf->bssid, arvif->vdev_id);
+ rcu_read_unlock();
+ return;
+ }
+
+ ath12k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg, false);
+
+ rcu_read_unlock();
+
+ ret = ath12k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to run peer assoc for %pM vdev %i: %d\n",
+ bss_conf->bssid, arvif->vdev_id, ret);
+ return;
+ }
+
+ if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {
+ ath12k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
+ bss_conf->bssid, arvif->vdev_id);
+ return;
+ }
+
+ ret = ath12k_setup_peer_smps(ar, arvif, bss_conf->bssid,
+ &ap_sta->deflink.ht_cap);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ WARN_ON(arvif->is_up);
+
+ arvif->aid = vif->cfg.aid;
+ ether_addr_copy(arvif->bssid, bss_conf->bssid);
+
+ ret = ath12k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set vdev %d up: %d\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ arvif->is_up = true;
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "mac vdev %d up (associated) bssid %pM aid %d\n",
+ arvif->vdev_id, bss_conf->bssid, vif->cfg.aid);
+
+ spin_lock_bh(&ar->ab->base_lock);
+
+ peer = ath12k_peer_find(ar->ab, arvif->vdev_id, arvif->bssid);
+ if (peer && peer->is_authorized)
+ is_auth = true;
+
+ spin_unlock_bh(&ar->ab->base_lock);
+
+ /* Authorize BSS Peer */
+ if (is_auth) {
+ ret = ath12k_wmi_set_peer_param(ar, arvif->bssid,
+ arvif->vdev_id,
+ WMI_PEER_AUTHORIZE,
+ 1);
+ if (ret)
+ ath12k_warn(ar->ab, "Unable to authorize BSS peer: %d\n", ret);
+ }
+
+ ret = ath12k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id,
+ &bss_conf->he_obss_pd);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n",
+ arvif->vdev_id, ret);
+}
+
+static void ath12k_bss_disassoc(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
+ arvif->vdev_id, arvif->bssid);
+
+ ret = ath12k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to down vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_up = false;
+
+ /* TODO: cancel connection_loss_work */
+}
+
+static u32 ath12k_mac_get_rate_hw_value(int bitrate)
+{
+ u32 preamble;
+ u16 hw_value;
+ int rate;
+ size_t i;
+
+ if (ath12k_mac_bitrate_is_cck(bitrate))
+ preamble = WMI_RATE_PREAMBLE_CCK;
+ else
+ preamble = WMI_RATE_PREAMBLE_OFDM;
+
+ for (i = 0; i < ARRAY_SIZE(ath12k_legacy_rates); i++) {
+ if (ath12k_legacy_rates[i].bitrate != bitrate)
+ continue;
+
+ hw_value = ath12k_legacy_rates[i].hw_value;
+ rate = ATH12K_HW_RATE_CODE(hw_value, 0, preamble);
+
+ return rate;
+ }
+
+ return -EINVAL;
+}
+
+static void ath12k_recalculate_mgmt_rate(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *def)
+{
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ const struct ieee80211_supported_band *sband;
+ u8 basic_rate_idx;
+ int hw_rate_code;
+ u32 vdev_param;
+ u16 bitrate;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ sband = ar->hw->wiphy->bands[def->chan->band];
+ basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;
+ bitrate = sband->bitrates[basic_rate_idx].bitrate;
+
+ hw_rate_code = ath12k_mac_get_rate_hw_value(bitrate);
+ if (hw_rate_code < 0) {
+ ath12k_warn(ar->ab, "bitrate not supported %d\n", bitrate);
+ return;
+ }
+
+ vdev_param = WMI_VDEV_PARAM_MGMT_RATE;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,
+ hw_rate_code);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret);
+
+ vdev_param = WMI_VDEV_PARAM_BEACON_RATE;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,
+ hw_rate_code);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to set beacon tx rate %d\n", ret);
+}
+
+static int ath12k_mac_fils_discovery(struct ath12k_vif *arvif,
+ struct ieee80211_bss_conf *info)
+{
+ struct ath12k *ar = arvif->ar;
+ struct sk_buff *tmpl;
+ int ret;
+ u32 interval;
+ bool unsol_bcast_probe_resp_enabled = false;
+
+ if (info->fils_discovery.max_interval) {
+ interval = info->fils_discovery.max_interval;
+
+ tmpl = ieee80211_get_fils_discovery_tmpl(ar->hw, arvif->vif);
+ if (tmpl)
+ ret = ath12k_wmi_fils_discovery_tmpl(ar, arvif->vdev_id,
+ tmpl);
+ } else if (info->unsol_bcast_probe_resp_interval) {
+ unsol_bcast_probe_resp_enabled = 1;
+ interval = info->unsol_bcast_probe_resp_interval;
+
+ tmpl = ieee80211_get_unsol_bcast_probe_resp_tmpl(ar->hw,
+ arvif->vif);
+ if (tmpl)
+ ret = ath12k_wmi_probe_resp_tmpl(ar, arvif->vdev_id,
+ tmpl);
+ } else { /* Disable */
+ return ath12k_wmi_fils_discovery(ar, arvif->vdev_id, 0, false);
+ }
+
+ if (!tmpl) {
+ ath12k_warn(ar->ab,
+ "mac vdev %i failed to retrieve %s template\n",
+ arvif->vdev_id, (unsol_bcast_probe_resp_enabled ?
+ "unsolicited broadcast probe response" :
+ "FILS discovery"));
+ return -EPERM;
+ }
+ kfree_skb(tmpl);
+
+ if (!ret)
+ ret = ath12k_wmi_fils_discovery(ar, arvif->vdev_id, interval,
+ unsol_bcast_probe_resp_enabled);
+
+ return ret;
+}
+
+static void ath12k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u64 changed)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct cfg80211_chan_def def;
+ u32 param_id, param_value;
+ enum nl80211_band band;
+ u32 vdev_param;
+ int mcast_rate;
+ u32 preamble;
+ u16 hw_value;
+ u16 bitrate;
+ int ret = 0;
+ u8 rateidx;
+ u32 rate;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (changed & BSS_CHANGED_BEACON_INT) {
+ arvif->beacon_interval = info->beacon_int;
+
+ param_id = WMI_VDEV_PARAM_BEACON_INTERVAL;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id,
+ arvif->beacon_interval);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to set beacon interval for VDEV: %d\n",
+ arvif->vdev_id);
+ else
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "Beacon interval: %d set for VDEV: %d\n",
+ arvif->beacon_interval, arvif->vdev_id);
+ }
+
+ if (changed & BSS_CHANGED_BEACON) {
+ param_id = WMI_PDEV_PARAM_BEACON_TX_MODE;
+ param_value = WMI_BEACON_STAGGERED_MODE;
+ ret = ath12k_wmi_pdev_set_param(ar, param_id,
+ param_value, ar->pdev->pdev_id);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to set beacon mode for VDEV: %d\n",
+ arvif->vdev_id);
+ else
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "Set staggered beacon mode for VDEV: %d\n",
+ arvif->vdev_id);
+
+ ret = ath12k_mac_setup_bcn_tmpl(arvif);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to update bcn template: %d\n",
+ ret);
+ }
+
+ if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
+ arvif->dtim_period = info->dtim_period;
+
+ param_id = WMI_VDEV_PARAM_DTIM_PERIOD;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id,
+ arvif->dtim_period);
+
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to set dtim period for VDEV %d: %i\n",
+ arvif->vdev_id, ret);
+ else
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "DTIM period: %d set for VDEV: %d\n",
+ arvif->dtim_period, arvif->vdev_id);
+ }
+
+ if (changed & BSS_CHANGED_SSID &&
+ vif->type == NL80211_IFTYPE_AP) {
+ arvif->u.ap.ssid_len = vif->cfg.ssid_len;
+ if (vif->cfg.ssid_len)
+ memcpy(arvif->u.ap.ssid, vif->cfg.ssid, vif->cfg.ssid_len);
+ arvif->u.ap.hidden_ssid = info->hidden_ssid;
+ }
+
+ if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
+ ether_addr_copy(arvif->bssid, info->bssid);
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ ath12k_control_beaconing(arvif, info);
+
+ if (arvif->is_up && vif->bss_conf.he_support &&
+ vif->bss_conf.he_oper.params) {
+ /* TODO: Extend to support 1024 BA Bitmap size */
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ WMI_VDEV_PARAM_BA_MODE,
+ WMI_BA_MODE_BUFFER_SIZE_256);
+ if (ret)
+ ath12k_warn(ar->ab,
+ "failed to set BA BUFFER SIZE 256 for vdev: %d\n",
+ arvif->vdev_id);
+
+ param_id = WMI_VDEV_PARAM_HEOPS_0_31;
+ param_value = vif->bss_conf.he_oper.params;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, param_value);
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "he oper param: %x set for VDEV: %d\n",
+ param_value, arvif->vdev_id);
+
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to set he oper params %x for VDEV %d: %i\n",
+ param_value, arvif->vdev_id, ret);
+ }
+ }
+
+ if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+ u32 cts_prot;
+
+ cts_prot = !!(info->use_cts_prot);
+ param_id = WMI_VDEV_PARAM_PROTECTION_MODE;
+
+ if (arvif->is_started) {
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, cts_prot);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to set CTS prot for VDEV: %d\n",
+ arvif->vdev_id);
+ else
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "Set CTS prot: %d for VDEV: %d\n",
+ cts_prot, arvif->vdev_id);
+ } else {
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "defer protection mode setup, vdev is not ready yet\n");
+ }
+ }
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ u32 slottime;
+
+ if (info->use_short_slot)
+ slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
+
+ else
+ slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
+
+ param_id = WMI_VDEV_PARAM_SLOT_TIME;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, slottime);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to set erp slot for VDEV: %d\n",
+ arvif->vdev_id);
+ else
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "Set slottime: %d for VDEV: %d\n",
+ slottime, arvif->vdev_id);
+ }
+
+ if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+ u32 preamble;
+
+ if (info->use_short_preamble)
+ preamble = WMI_VDEV_PREAMBLE_SHORT;
+ else
+ preamble = WMI_VDEV_PREAMBLE_LONG;
+
+ param_id = WMI_VDEV_PARAM_PREAMBLE;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, preamble);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to set preamble for VDEV: %d\n",
+ arvif->vdev_id);
+ else
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "Set preamble: %d for VDEV: %d\n",
+ preamble, arvif->vdev_id);
+ }
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ if (vif->cfg.assoc)
+ ath12k_bss_assoc(hw, vif, info);
+ else
+ ath12k_bss_disassoc(hw, vif);
+ }
+
+ if (changed & BSS_CHANGED_TXPOWER) {
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac vdev_id %i txpower %d\n",
+ arvif->vdev_id, info->txpower);
+
+ arvif->txpower = info->txpower;
+ ath12k_mac_txpower_recalc(ar);
+ }
+
+ if (changed & BSS_CHANGED_MCAST_RATE &&
+ !ath12k_mac_vif_chan(arvif->vif, &def)) {
+ band = def.chan->band;
+ mcast_rate = vif->bss_conf.mcast_rate[band];
+
+ if (mcast_rate > 0)
+ rateidx = mcast_rate - 1;
+ else
+ rateidx = ffs(vif->bss_conf.basic_rates) - 1;
+
+ if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP)
+ rateidx += ATH12K_MAC_FIRST_OFDM_RATE_IDX;
+
+ bitrate = ath12k_legacy_rates[rateidx].bitrate;
+ hw_value = ath12k_legacy_rates[rateidx].hw_value;
+
+ if (ath12k_mac_bitrate_is_cck(bitrate))
+ preamble = WMI_RATE_PREAMBLE_CCK;
+ else
+ preamble = WMI_RATE_PREAMBLE_OFDM;
+
+ rate = ATH12K_HW_RATE_CODE(hw_value, 0, preamble);
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "mac vdev %d mcast_rate %x\n",
+ arvif->vdev_id, rate);
+
+ vdev_param = WMI_VDEV_PARAM_MCAST_DATA_RATE;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, rate);
+ if (ret)
+ ath12k_warn(ar->ab,
+ "failed to set mcast rate on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ vdev_param = WMI_VDEV_PARAM_BCAST_DATA_RATE;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, rate);
+ if (ret)
+ ath12k_warn(ar->ab,
+ "failed to set bcast rate on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & BSS_CHANGED_BASIC_RATES &&
+ !ath12k_mac_vif_chan(arvif->vif, &def))
+ ath12k_recalculate_mgmt_rate(ar, vif, &def);
+
+ if (changed & BSS_CHANGED_TWT) {
+ if (info->twt_requester || info->twt_responder)
+ ath12k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id);
+ else
+ ath12k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id);
+ }
+
+ if (changed & BSS_CHANGED_HE_OBSS_PD)
+ ath12k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id,
+ &info->he_obss_pd);
+
+ if (changed & BSS_CHANGED_HE_BSS_COLOR) {
+ if (vif->type == NL80211_IFTYPE_AP) {
+ ret = ath12k_wmi_obss_color_cfg_cmd(ar,
+ arvif->vdev_id,
+ info->he_bss_color.color,
+ ATH12K_BSS_COLOR_AP_PERIODS,
+ info->he_bss_color.enabled);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ } else if (vif->type == NL80211_IFTYPE_STATION) {
+ ret = ath12k_wmi_send_bss_color_change_enable_cmd(ar,
+ arvif->vdev_id,
+ 1);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to enable bss color change on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ ret = ath12k_wmi_obss_color_cfg_cmd(ar,
+ arvif->vdev_id,
+ 0,
+ ATH12K_BSS_COLOR_STA_PERIODS,
+ 1);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+ }
+
+ if (changed & BSS_CHANGED_FILS_DISCOVERY ||
+ changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP)
+ ath12k_mac_fils_discovery(arvif, info);
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+void __ath12k_mac_scan_finish(struct ath12k *ar)
+{
+ lockdep_assert_held(&ar->data_lock);
+
+ switch (ar->scan.state) {
+ case ATH12K_SCAN_IDLE:
+ break;
+ case ATH12K_SCAN_RUNNING:
+ case ATH12K_SCAN_ABORTING:
+ if (!ar->scan.is_roc) {
+ struct cfg80211_scan_info info = {
+ .aborted = (ar->scan.state ==
+ ATH12K_SCAN_ABORTING),
+ };
+
+ ieee80211_scan_completed(ar->hw, &info);
+ } else if (ar->scan.roc_notify) {
+ ieee80211_remain_on_channel_expired(ar->hw);
+ }
+ fallthrough;
+ case ATH12K_SCAN_STARTING:
+ ar->scan.state = ATH12K_SCAN_IDLE;
+ ar->scan_channel = NULL;
+ ar->scan.roc_freq = 0;
+ cancel_delayed_work(&ar->scan.timeout);
+ complete(&ar->scan.completed);
+ break;
+ }
+}
+
+void ath12k_mac_scan_finish(struct ath12k *ar)
+{
+ spin_lock_bh(&ar->data_lock);
+ __ath12k_mac_scan_finish(ar);
+ spin_unlock_bh(&ar->data_lock);
+}
+
+static int ath12k_scan_stop(struct ath12k *ar)
+{
+ struct ath12k_wmi_scan_cancel_arg arg = {
+ .req_type = WLAN_SCAN_CANCEL_SINGLE,
+ .scan_id = ATH12K_SCAN_ID,
+ };
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ /* TODO: Fill other STOP Params */
+ arg.pdev_id = ar->pdev->pdev_id;
+
+ ret = ath12k_wmi_send_scan_stop_cmd(ar, &arg);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to stop wmi scan: %d\n", ret);
+ goto out;
+ }
+
+ ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ);
+ if (ret == 0) {
+ ath12k_warn(ar->ab,
+ "failed to receive scan abort comple: timed out\n");
+ ret = -ETIMEDOUT;
+ } else if (ret > 0) {
+ ret = 0;
+ }
+
+out:
+ /* Scan state should be updated upon scan completion but in case
+ * firmware fails to deliver the event (for whatever reason) it is
+ * desired to clean up scan state anyway. Firmware may have just
+ * dropped the scan completion event delivery due to transport pipe
+ * being overflown with data and/or it can recover on its own before
+ * next scan request is submitted.
+ */
+ spin_lock_bh(&ar->data_lock);
+ if (ar->scan.state != ATH12K_SCAN_IDLE)
+ __ath12k_mac_scan_finish(ar);
+ spin_unlock_bh(&ar->data_lock);
+
+ return ret;
+}
+
+static void ath12k_scan_abort(struct ath12k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+
+ switch (ar->scan.state) {
+ case ATH12K_SCAN_IDLE:
+ /* This can happen if timeout worker kicked in and called
+ * abortion while scan completion was being processed.
+ */
+ break;
+ case ATH12K_SCAN_STARTING:
+ case ATH12K_SCAN_ABORTING:
+ ath12k_warn(ar->ab, "refusing scan abortion due to invalid scan state: %d\n",
+ ar->scan.state);
+ break;
+ case ATH12K_SCAN_RUNNING:
+ ar->scan.state = ATH12K_SCAN_ABORTING;
+ spin_unlock_bh(&ar->data_lock);
+
+ ret = ath12k_scan_stop(ar);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to abort scan: %d\n", ret);
+
+ spin_lock_bh(&ar->data_lock);
+ break;
+ }
+
+ spin_unlock_bh(&ar->data_lock);
+}
+
+static void ath12k_scan_timeout_work(struct work_struct *work)
+{
+ struct ath12k *ar = container_of(work, struct ath12k,
+ scan.timeout.work);
+
+ mutex_lock(&ar->conf_mutex);
+ ath12k_scan_abort(ar);
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath12k_start_scan(struct ath12k *ar,
+ struct ath12k_wmi_scan_req_arg *arg)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath12k_wmi_send_scan_start_cmd(ar, arg);
+ if (ret)
+ return ret;
+
+ ret = wait_for_completion_timeout(&ar->scan.started, 1 * HZ);
+ if (ret == 0) {
+ ret = ath12k_scan_stop(ar);
+ if (ret)
+ ath12k_warn(ar->ab, "failed to stop scan: %d\n", ret);
+
+ return -ETIMEDOUT;
+ }
+
+ /* If we failed to start the scan, return error code at
+ * this point. This is probably due to some issue in the
+ * firmware, but no need to wedge the driver due to that...
+ */
+ spin_lock_bh(&ar->data_lock);
+ if (ar->scan.state == ATH12K_SCAN_IDLE) {
+ spin_unlock_bh(&ar->data_lock);
+ return -EINVAL;
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ return 0;
+}
+
+static int ath12k_mac_op_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *hw_req)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct cfg80211_scan_request *req = &hw_req->req;
+ struct ath12k_wmi_scan_req_arg arg = {};
+ int ret = 0;
+ int i;
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ switch (ar->scan.state) {
+ case ATH12K_SCAN_IDLE:
+ reinit_completion(&ar->scan.started);
+ reinit_completion(&ar->scan.completed);
+ ar->scan.state = ATH12K_SCAN_STARTING;
+ ar->scan.is_roc = false;
+ ar->scan.vdev_id = arvif->vdev_id;
+ ret = 0;
+ break;
+ case ATH12K_SCAN_STARTING:
+ case ATH12K_SCAN_RUNNING:
+ case ATH12K_SCAN_ABORTING:
+ ret = -EBUSY;
+ break;
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ if (ret)
+ goto exit;
+
+ ath12k_wmi_start_scan_init(ar, &arg);
+ arg.vdev_id = arvif->vdev_id;
+ arg.scan_id = ATH12K_SCAN_ID;
+
+ if (req->ie_len) {
+ arg.extraie.len = req->ie_len;
+ arg.extraie.ptr = kzalloc(req->ie_len, GFP_KERNEL);
+ memcpy(arg.extraie.ptr, req->ie, req->ie_len);
+ }
+
+ if (req->n_ssids) {
+ arg.num_ssids = req->n_ssids;
+ for (i = 0; i < arg.num_ssids; i++)
+ arg.ssid[i] = req->ssids[i];
+ } else {
+ arg.scan_flags |= WMI_SCAN_FLAG_PASSIVE;
+ }
+
+ if (req->n_channels) {
+ arg.num_chan = req->n_channels;
+ for (i = 0; i < arg.num_chan; i++)
+ arg.chan_list[i] = req->channels[i]->center_freq;
+ }
+
+ ret = ath12k_start_scan(ar, &arg);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to start hw scan: %d\n", ret);
+ spin_lock_bh(&ar->data_lock);
+ ar->scan.state = ATH12K_SCAN_IDLE;
+ spin_unlock_bh(&ar->data_lock);
+ }
+
+ /* Add a 200ms margin to account for event/command processing */
+ ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
+ msecs_to_jiffies(arg.max_scan_time +
+ ATH12K_MAC_SCAN_TIMEOUT_MSECS));
+
+exit:
+ if (req->ie_len)
+ kfree(arg.extraie.ptr);
+
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void ath12k_mac_op_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+ ath12k_scan_abort(ar);
+ mutex_unlock(&ar->conf_mutex);
+
+ cancel_delayed_work_sync(&ar->scan.timeout);
+}
+
+static int ath12k_install_key(struct ath12k_vif *arvif,
+ struct ieee80211_key_conf *key,
+ enum set_key_cmd cmd,
+ const u8 *macaddr, u32 flags)
+{
+ int ret;
+ struct ath12k *ar = arvif->ar;
+ struct wmi_vdev_install_key_arg arg = {
+ .vdev_id = arvif->vdev_id,
+ .key_idx = key->keyidx,
+ .key_len = key->keylen,
+ .key_data = key->key,
+ .key_flags = flags,
+ .macaddr = macaddr,
+ };
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ reinit_completion(&ar->install_key_done);
+
+ if (test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))
+ return 0;
+
+ if (cmd == DISABLE_KEY) {
+ /* TODO: Check if FW expects value other than NONE for del */
+ /* arg.key_cipher = WMI_CIPHER_NONE; */
+ arg.key_len = 0;
+ arg.key_data = NULL;
+ goto install;
+ }
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_CCMP:
+ arg.key_cipher = WMI_CIPHER_AES_CCM;
+ /* TODO: Re-check if flag is valid */
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ arg.key_cipher = WMI_CIPHER_TKIP;
+ arg.key_txmic_len = 8;
+ arg.key_rxmic_len = 8;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ arg.key_cipher = WMI_CIPHER_AES_CCM;
+ break;
+ case WLAN_CIPHER_SUITE_GCMP:
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ arg.key_cipher = WMI_CIPHER_AES_GCM;
+ break;
+ default:
+ ath12k_warn(ar->ab, "cipher %d is not supported\n", key->cipher);
+ return -EOPNOTSUPP;
+ }
+
+ if (test_bit(ATH12K_FLAG_RAW_MODE, &ar->ab->dev_flags))
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV |
+ IEEE80211_KEY_FLAG_RESERVE_TAILROOM;
+
+install:
+ ret = ath12k_wmi_vdev_install_key(arvif->ar, &arg);
+
+ if (ret)
+ return ret;
+
+ if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ))
+ return -ETIMEDOUT;
+
+ if (ether_addr_equal(macaddr, arvif->vif->addr))
+ arvif->key_cipher = key->cipher;
+
+ return ar->install_key_status ? -EINVAL : 0;
+}
+
+static int ath12k_clear_peer_keys(struct ath12k_vif *arvif,
+ const u8 *addr)
+{
+ struct ath12k *ar = arvif->ar;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_peer *peer;
+ int first_errno = 0;
+ int ret;
+ int i;
+ u32 flags = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ spin_lock_bh(&ab->base_lock);
+ peer = ath12k_peer_find(ab, arvif->vdev_id, addr);
+ spin_unlock_bh(&ab->base_lock);
+
+ if (!peer)
+ return -ENOENT;
+
+ for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
+ if (!peer->keys[i])
+ continue;
+
+ /* key flags are not required to delete the key */
+ ret = ath12k_install_key(arvif, peer->keys[i],
+ DISABLE_KEY, addr, flags);
+ if (ret < 0 && first_errno == 0)
+ first_errno = ret;
+
+ if (ret < 0)
+ ath12k_warn(ab, "failed to remove peer key %d: %d\n",
+ i, ret);
+
+ spin_lock_bh(&ab->base_lock);
+ peer->keys[i] = NULL;
+ spin_unlock_bh(&ab->base_lock);
+ }
+
+ return first_errno;
+}
+
+static int ath12k_mac_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct ath12k_peer *peer;
+ struct ath12k_sta *arsta;
+ const u8 *peer_addr;
+ int ret = 0;
+ u32 flags = 0;
+
+ /* BIP needs to be done in software */
+ if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
+ key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
+ key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 ||
+ key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256)
+ return 1;
+
+ if (test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))
+ return 1;
+
+ if (key->keyidx > WMI_MAX_KEY_INDEX)
+ return -ENOSPC;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (sta)
+ peer_addr = sta->addr;
+ else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
+ peer_addr = vif->bss_conf.bssid;
+ else
+ peer_addr = vif->addr;
+
+ key->hw_key_idx = key->keyidx;
+
+ /* the peer should not disappear in mid-way (unless FW goes awry) since
+ * we already hold conf_mutex. we just make sure its there now.
+ */
+ spin_lock_bh(&ab->base_lock);
+ peer = ath12k_peer_find(ab, arvif->vdev_id, peer_addr);
+ spin_unlock_bh(&ab->base_lock);
+
+ if (!peer) {
+ if (cmd == SET_KEY) {
+ ath12k_warn(ab, "cannot install key for non-existent peer %pM\n",
+ peer_addr);
+ ret = -EOPNOTSUPP;
+ goto exit;
+ } else {
+ /* if the peer doesn't exist there is no key to disable
+ * anymore
+ */
+ goto exit;
+ }
+ }
+
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ flags |= WMI_KEY_PAIRWISE;
+ else
+ flags |= WMI_KEY_GROUP;
+
+ ret = ath12k_install_key(arvif, key, cmd, peer_addr, flags);
+ if (ret) {
+ ath12k_warn(ab, "ath12k_install_key failed (%d)\n", ret);
+ goto exit;
+ }
+
+ ret = ath12k_dp_rx_peer_pn_replay_config(arvif, peer_addr, cmd, key);
+ if (ret) {
+ ath12k_warn(ab, "failed to offload PN replay detection %d\n", ret);
+ goto exit;
+ }
+
+ spin_lock_bh(&ab->base_lock);
+ peer = ath12k_peer_find(ab, arvif->vdev_id, peer_addr);
+ if (peer && cmd == SET_KEY) {
+ peer->keys[key->keyidx] = key;
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+ peer->ucast_keyidx = key->keyidx;
+ peer->sec_type = ath12k_dp_tx_get_encrypt_type(key->cipher);
+ } else {
+ peer->mcast_keyidx = key->keyidx;
+ peer->sec_type_grp = ath12k_dp_tx_get_encrypt_type(key->cipher);
+ }
+ } else if (peer && cmd == DISABLE_KEY) {
+ peer->keys[key->keyidx] = NULL;
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ peer->ucast_keyidx = 0;
+ else
+ peer->mcast_keyidx = 0;
+ } else if (!peer)
+ /* impossible unless FW goes crazy */
+ ath12k_warn(ab, "peer %pM disappeared!\n", peer_addr);
+
+ if (sta) {
+ arsta = (struct ath12k_sta *)sta->drv_priv;
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ case WLAN_CIPHER_SUITE_GCMP:
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ if (cmd == SET_KEY)
+ arsta->pn_type = HAL_PN_TYPE_WPA;
+ else
+ arsta->pn_type = HAL_PN_TYPE_NONE;
+ break;
+ default:
+ arsta->pn_type = HAL_PN_TYPE_NONE;
+ break;
+ }
+ }
+
+ spin_unlock_bh(&ab->base_lock);
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static int
+ath12k_mac_bitrate_mask_num_vht_rates(struct ath12k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ int num_rates = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
+ num_rates += hweight16(mask->control[band].vht_mcs[i]);
+
+ return num_rates;
+}
+
+static int
+ath12k_mac_set_peer_vht_fixed_rate(struct ath12k_vif *arvif,
+ struct ieee80211_sta *sta,
+ const struct cfg80211_bitrate_mask *mask,
+ enum nl80211_band band)
+{
+ struct ath12k *ar = arvif->ar;
+ u8 vht_rate, nss;
+ u32 rate_code;
+ int ret, i;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ nss = 0;
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
+ if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
+ nss = i + 1;
+ vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1;
+ }
+ }
+
+ if (!nss) {
+ ath12k_warn(ar->ab, "No single VHT Fixed rate found to set for %pM",
+ sta->addr);
+ return -EINVAL;
+ }
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "Setting Fixed VHT Rate for peer %pM. Device will not switch to any other selected rates",
+ sta->addr);
+
+ rate_code = ATH12K_HW_RATE_CODE(vht_rate, nss - 1,
+ WMI_RATE_PREAMBLE_VHT);
+ ret = ath12k_wmi_set_peer_param(ar, sta->addr,
+ arvif->vdev_id,
+ WMI_PEER_PARAM_FIXED_RATE,
+ rate_code);
+ if (ret)
+ ath12k_warn(ar->ab,
+ "failed to update STA %pM Fixed Rate %d: %d\n",
+ sta->addr, rate_code, ret);
+
+ return ret;
+}
+
+static int ath12k_station_assoc(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ bool reassoc)
+{
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct ath12k_wmi_peer_assoc_arg peer_arg;
+ int ret = 0;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ struct cfg80211_bitrate_mask *mask;
+ u8 num_vht_rates;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(ath12k_mac_vif_chan(vif, &def)))
+ return -EPERM;
+
+ band = def.chan->band;
+ mask = &arvif->bitrate_mask;
+
+ ath12k_peer_assoc_prepare(ar, vif, sta, &peer_arg, reassoc);
+
+ ret = ath12k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",
+ sta->addr, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {
+ ath12k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
+ sta->addr, arvif->vdev_id);
+ return -ETIMEDOUT;
+ }
+
+ num_vht_rates = ath12k_mac_bitrate_mask_num_vht_rates(ar, band, mask);
+
+ /* If single VHT rate is configured (by set_bitrate_mask()),
+ * peer_assoc will disable VHT. This is now enabled by a peer specific
+ * fixed param.
+ * Note that all other rates and NSS will be disabled for this peer.
+ */
+ if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) {
+ ret = ath12k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,
+ band);
+ if (ret)
+ return ret;
+ }
+
+ /* Re-assoc is run only to update supported rates for given station. It
+ * doesn't make much sense to reconfigure the peer completely.
+ */
+ if (reassoc)
+ return 0;
+
+ ret = ath12k_setup_peer_smps(ar, arvif, sta->addr,
+ &sta->deflink.ht_cap);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ if (!sta->wme) {
+ arvif->num_legacy_stations++;
+ ret = ath12k_recalc_rtscts_prot(arvif);
+ if (ret)
+ return ret;
+ }
+
+ if (sta->wme && sta->uapsd_queues) {
+ ret = ath12k_peer_assoc_qos_ap(ar, arvif, sta);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set qos params for STA %pM for vdev %i: %d\n",
+ sta->addr, arvif->vdev_id, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int ath12k_station_disassoc(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!sta->wme) {
+ arvif->num_legacy_stations--;
+ ret = ath12k_recalc_rtscts_prot(arvif);
+ if (ret)
+ return ret;
+ }
+
+ ret = ath12k_clear_peer_keys(arvif, sta->addr);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to clear all peer keys for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ return 0;
+}
+
+static void ath12k_sta_rc_update_wk(struct work_struct *wk)
+{
+ struct ath12k *ar;
+ struct ath12k_vif *arvif;
+ struct ath12k_sta *arsta;
+ struct ieee80211_sta *sta;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ const u16 *vht_mcs_mask;
+ u32 changed, bw, nss, smps;
+ int err, num_vht_rates;
+ const struct cfg80211_bitrate_mask *mask;
+ struct ath12k_wmi_peer_assoc_arg peer_arg;
+
+ arsta = container_of(wk, struct ath12k_sta, update_wk);
+ sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
+ arvif = arsta->arvif;
+ ar = arvif->ar;
+
+ if (WARN_ON(ath12k_mac_vif_chan(arvif->vif, &def)))
+ return;
+
+ band = def.chan->band;
+ ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
+ vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
+
+ spin_lock_bh(&ar->data_lock);
+
+ changed = arsta->changed;
+ arsta->changed = 0;
+
+ bw = arsta->bw;
+ nss = arsta->nss;
+ smps = arsta->smps;
+
+ spin_unlock_bh(&ar->data_lock);
+
+ mutex_lock(&ar->conf_mutex);
+
+ nss = max_t(u32, 1, nss);
+ nss = min(nss, max(ath12k_mac_max_ht_nss(ht_mcs_mask),
+ ath12k_mac_max_vht_nss(vht_mcs_mask)));
+
+ if (changed & IEEE80211_RC_BW_CHANGED) {
+ err = ath12k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
+ WMI_PEER_CHWIDTH, bw);
+ if (err)
+ ath12k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n",
+ sta->addr, bw, err);
+ }
+
+ if (changed & IEEE80211_RC_NSS_CHANGED) {
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac update sta %pM nss %d\n",
+ sta->addr, nss);
+
+ err = ath12k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
+ WMI_PEER_NSS, nss);
+ if (err)
+ ath12k_warn(ar->ab, "failed to update STA %pM nss %d: %d\n",
+ sta->addr, nss, err);
+ }
+
+ if (changed & IEEE80211_RC_SMPS_CHANGED) {
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac update sta %pM smps %d\n",
+ sta->addr, smps);
+
+ err = ath12k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
+ WMI_PEER_MIMO_PS_STATE, smps);
+ if (err)
+ ath12k_warn(ar->ab, "failed to update STA %pM smps %d: %d\n",
+ sta->addr, smps, err);
+ }
+
+ if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
+ mask = &arvif->bitrate_mask;
+ num_vht_rates = ath12k_mac_bitrate_mask_num_vht_rates(ar, band,
+ mask);
+
+ /* Peer_assoc_prepare will reject vht rates in
+ * bitrate_mask if its not available in range format and
+ * sets vht tx_rateset as unsupported. So multiple VHT MCS
+ * setting(eg. MCS 4,5,6) per peer is not supported here.
+ * But, Single rate in VHT mask can be set as per-peer
+ * fixed rate. But even if any HT rates are configured in
+ * the bitrate mask, device will not switch to those rates
+ * when per-peer Fixed rate is set.
+ * TODO: Check RATEMASK_CMDID to support auto rates selection
+ * across HT/VHT and for multiple VHT MCS support.
+ */
+ if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) {
+ ath12k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,
+ band);
+ } else {
+ /* If the peer is non-VHT or no fixed VHT rate
+ * is provided in the new bitrate mask we set the
+ * other rates using peer_assoc command.
+ */
+ ath12k_peer_assoc_prepare(ar, arvif->vif, sta,
+ &peer_arg, true);
+
+ err = ath12k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
+ if (err)
+ ath12k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",
+ sta->addr, arvif->vdev_id, err);
+
+ if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ))
+ ath12k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
+ sta->addr, arvif->vdev_id);
+ }
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath12k_mac_inc_num_stations(struct ath12k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
+ return 0;
+
+ if (ar->num_stations >= ar->max_num_stations)
+ return -ENOBUFS;
+
+ ar->num_stations++;
+
+ return 0;
+}
+
+static void ath12k_mac_dec_num_stations(struct ath12k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
+ return;
+
+ ar->num_stations--;
+}
+
+static int ath12k_mac_station_add(struct ath12k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct ath12k_sta *arsta = (struct ath12k_sta *)sta->drv_priv;
+ struct ath12k_wmi_peer_create_arg peer_param;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath12k_mac_inc_num_stations(arvif, sta);
+ if (ret) {
+ ath12k_warn(ab, "refusing to associate station: too many connected already (%d)\n",
+ ar->max_num_stations);
+ goto exit;
+ }
+
+ arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL);
+ if (!arsta->rx_stats) {
+ ret = -ENOMEM;
+ goto dec_num_station;
+ }
+
+ peer_param.vdev_id = arvif->vdev_id;
+ peer_param.peer_addr = sta->addr;
+ peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;
+
+ ret = ath12k_peer_create(ar, arvif, sta, &peer_param);
+ if (ret) {
+ ath12k_warn(ab, "Failed to add peer: %pM for VDEV: %d\n",
+ sta->addr, arvif->vdev_id);
+ goto free_peer;
+ }
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "Added peer: %pM for VDEV: %d\n",
+ sta->addr, arvif->vdev_id);
+
+ if (ieee80211_vif_is_mesh(vif)) {
+ ret = ath12k_wmi_set_peer_param(ar, sta->addr,
+ arvif->vdev_id,
+ WMI_PEER_USE_4ADDR, 1);
+ if (ret) {
+ ath12k_warn(ab, "failed to STA %pM 4addr capability: %d\n",
+ sta->addr, ret);
+ goto free_peer;
+ }
+ }
+
+ ret = ath12k_dp_peer_setup(ar, arvif->vdev_id, sta->addr);
+ if (ret) {
+ ath12k_warn(ab, "failed to setup dp for peer %pM on vdev %i (%d)\n",
+ sta->addr, arvif->vdev_id, ret);
+ goto free_peer;
+ }
+
+ if (ab->hw_params->vdev_start_delay &&
+ !arvif->is_started &&
+ arvif->vdev_type != WMI_VDEV_TYPE_AP) {
+ ret = ath12k_start_vdev_delay(ar->hw, vif);
+ if (ret) {
+ ath12k_warn(ab, "failed to delay vdev start: %d\n", ret);
+ goto free_peer;
+ }
+ }
+
+ return 0;
+
+free_peer:
+ ath12k_peer_delete(ar, arvif->vdev_id, sta->addr);
+dec_num_station:
+ ath12k_mac_dec_num_stations(arvif, sta);
+exit:
+ return ret;
+}
+
+static int ath12k_mac_op_sta_state(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ enum ieee80211_sta_state old_state,
+ enum ieee80211_sta_state new_state)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct ath12k_sta *arsta = (struct ath12k_sta *)sta->drv_priv;
+ struct ath12k_peer *peer;
+ int ret = 0;
+
+ /* cancel must be done outside the mutex to avoid deadlock */
+ if ((old_state == IEEE80211_STA_NONE &&
+ new_state == IEEE80211_STA_NOTEXIST))
+ cancel_work_sync(&arsta->update_wk);
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (old_state == IEEE80211_STA_NOTEXIST &&
+ new_state == IEEE80211_STA_NONE) {
+ memset(arsta, 0, sizeof(*arsta));
+ arsta->arvif = arvif;
+ INIT_WORK(&arsta->update_wk, ath12k_sta_rc_update_wk);
+
+ ret = ath12k_mac_station_add(ar, vif, sta);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to add station: %pM for VDEV: %d\n",
+ sta->addr, arvif->vdev_id);
+ } else if ((old_state == IEEE80211_STA_NONE &&
+ new_state == IEEE80211_STA_NOTEXIST)) {
+ ath12k_dp_peer_cleanup(ar, arvif->vdev_id, sta->addr);
+
+ ret = ath12k_peer_delete(ar, arvif->vdev_id, sta->addr);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to delete peer: %pM for VDEV: %d\n",
+ sta->addr, arvif->vdev_id);
+ else
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "Removed peer: %pM for VDEV: %d\n",
+ sta->addr, arvif->vdev_id);
+
+ ath12k_mac_dec_num_stations(arvif, sta);
+ spin_lock_bh(&ar->ab->base_lock);
+ peer = ath12k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
+ if (peer && peer->sta == sta) {
+ ath12k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n",
+ vif->addr, arvif->vdev_id);
+ peer->sta = NULL;
+ list_del(&peer->list);
+ kfree(peer);
+ ar->num_peers--;
+ }
+ spin_unlock_bh(&ar->ab->base_lock);
+
+ kfree(arsta->rx_stats);
+ arsta->rx_stats = NULL;
+ } else if (old_state == IEEE80211_STA_AUTH &&
+ new_state == IEEE80211_STA_ASSOC &&
+ (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_MESH_POINT ||
+ vif->type == NL80211_IFTYPE_ADHOC)) {
+ ret = ath12k_station_assoc(ar, vif, sta, false);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to associate station: %pM\n",
+ sta->addr);
+ } else if (old_state == IEEE80211_STA_ASSOC &&
+ new_state == IEEE80211_STA_AUTHORIZED) {
+ spin_lock_bh(&ar->ab->base_lock);
+
+ peer = ath12k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
+ if (peer)
+ peer->is_authorized = true;
+
+ spin_unlock_bh(&ar->ab->base_lock);
+
+ if (vif->type == NL80211_IFTYPE_STATION && arvif->is_up) {
+ ret = ath12k_wmi_set_peer_param(ar, sta->addr,
+ arvif->vdev_id,
+ WMI_PEER_AUTHORIZE,
+ 1);
+ if (ret)
+ ath12k_warn(ar->ab, "Unable to authorize peer %pM vdev %d: %d\n",
+ sta->addr, arvif->vdev_id, ret);
+ }
+ } else if (old_state == IEEE80211_STA_AUTHORIZED &&
+ new_state == IEEE80211_STA_ASSOC) {
+ spin_lock_bh(&ar->ab->base_lock);
+
+ peer = ath12k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
+ if (peer)
+ peer->is_authorized = false;
+
+ spin_unlock_bh(&ar->ab->base_lock);
+ } else if (old_state == IEEE80211_STA_ASSOC &&
+ new_state == IEEE80211_STA_AUTH &&
+ (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_MESH_POINT ||
+ vif->type == NL80211_IFTYPE_ADHOC)) {
+ ret = ath12k_station_disassoc(ar, vif, sta);
+ if (ret)
+ ath12k_warn(ar->ab, "Failed to disassociate station: %pM\n",
+ sta->addr);
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static int ath12k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ int ret = 0;
+ s16 txpwr;
+
+ if (sta->deflink.txpwr.type == NL80211_TX_POWER_AUTOMATIC) {
+ txpwr = 0;
+ } else {
+ txpwr = sta->deflink.txpwr.power;
+ if (!txpwr)
+ return -EINVAL;
+ }
+
+ if (txpwr > ATH12K_TX_POWER_MAX_VAL || txpwr < ATH12K_TX_POWER_MIN_VAL)
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ret = ath12k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
+ WMI_PEER_USE_FIXED_PWR, txpwr);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set tx power for station ret: %d\n",
+ ret);
+ goto out;
+ }
+
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void ath12k_mac_op_sta_rc_update(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ u32 changed)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_sta *arsta = (struct ath12k_sta *)sta->drv_priv;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_peer *peer;
+ u32 bw, smps;
+
+ spin_lock_bh(&ar->ab->base_lock);
+
+ peer = ath12k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
+ if (!peer) {
+ spin_unlock_bh(&ar->ab->base_lock);
+ ath12k_warn(ar->ab, "mac sta rc update failed to find peer %pM on vdev %i\n",
+ sta->addr, arvif->vdev_id);
+ return;
+ }
+
+ spin_unlock_bh(&ar->ab->base_lock);
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
+ sta->addr, changed, sta->deflink.bandwidth, sta->deflink.rx_nss,
+ sta->smps_mode);
+
+ spin_lock_bh(&ar->data_lock);
+
+ if (changed & IEEE80211_RC_BW_CHANGED) {
+ bw = WMI_PEER_CHWIDTH_20MHZ;
+
+ switch (sta->deflink.bandwidth) {
+ case IEEE80211_STA_RX_BW_20:
+ bw = WMI_PEER_CHWIDTH_20MHZ;
+ break;
+ case IEEE80211_STA_RX_BW_40:
+ bw = WMI_PEER_CHWIDTH_40MHZ;
+ break;
+ case IEEE80211_STA_RX_BW_80:
+ bw = WMI_PEER_CHWIDTH_80MHZ;
+ break;
+ case IEEE80211_STA_RX_BW_160:
+ bw = WMI_PEER_CHWIDTH_160MHZ;
+ break;
+ default:
+ ath12k_warn(ar->ab, "Invalid bandwidth %d in rc update for %pM\n",
+ sta->deflink.bandwidth, sta->addr);
+ bw = WMI_PEER_CHWIDTH_20MHZ;
+ break;
+ }
+
+ arsta->bw = bw;
+ }
+
+ if (changed & IEEE80211_RC_NSS_CHANGED)
+ arsta->nss = sta->deflink.rx_nss;
+
+ if (changed & IEEE80211_RC_SMPS_CHANGED) {
+ smps = WMI_PEER_SMPS_PS_NONE;
+
+ switch (sta->smps_mode) {
+ case IEEE80211_SMPS_AUTOMATIC:
+ case IEEE80211_SMPS_OFF:
+ smps = WMI_PEER_SMPS_PS_NONE;
+ break;
+ case IEEE80211_SMPS_STATIC:
+ smps = WMI_PEER_SMPS_STATIC;
+ break;
+ case IEEE80211_SMPS_DYNAMIC:
+ smps = WMI_PEER_SMPS_DYNAMIC;
+ break;
+ default:
+ ath12k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n",
+ sta->smps_mode, sta->addr);
+ smps = WMI_PEER_SMPS_PS_NONE;
+ break;
+ }
+
+ arsta->smps = smps;
+ }
+
+ arsta->changed |= changed;
+
+ spin_unlock_bh(&ar->data_lock);
+
+ ieee80211_queue_work(hw, &arsta->update_wk);
+}
+
+static int ath12k_conf_tx_uapsd(struct ath12k *ar, struct ieee80211_vif *vif,
+ u16 ac, bool enable)
+{
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ u32 value = 0;
+ int ret = 0;
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
+ return 0;
+
+ switch (ac) {
+ case IEEE80211_AC_VO:
+ value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
+ break;
+ case IEEE80211_AC_VI:
+ value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
+ break;
+ case IEEE80211_AC_BE:
+ value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
+ break;
+ case IEEE80211_AC_BK:
+ value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
+ break;
+ }
+
+ if (enable)
+ arvif->u.sta.uapsd |= value;
+ else
+ arvif->u.sta.uapsd &= ~value;
+
+ ret = ath12k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ WMI_STA_PS_PARAM_UAPSD,
+ arvif->u.sta.uapsd);
+ if (ret) {
+ ath12k_warn(ar->ab, "could not set uapsd params %d\n", ret);
+ goto exit;
+ }
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
+ else
+ value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
+
+ ret = ath12k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ WMI_STA_PS_PARAM_RX_WAKE_POLICY,
+ value);
+ if (ret)
+ ath12k_warn(ar->ab, "could not set rx wake param %d\n", ret);
+
+exit:
+ return ret;
+}
+
+static int ath12k_mac_op_conf_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ unsigned int link_id, u16 ac,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct wmi_wmm_params_arg *p = NULL;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ switch (ac) {
+ case IEEE80211_AC_VO:
+ p = &arvif->wmm_params.ac_vo;
+ break;
+ case IEEE80211_AC_VI:
+ p = &arvif->wmm_params.ac_vi;
+ break;
+ case IEEE80211_AC_BE:
+ p = &arvif->wmm_params.ac_be;
+ break;
+ case IEEE80211_AC_BK:
+ p = &arvif->wmm_params.ac_bk;
+ break;
+ }
+
+ if (WARN_ON(!p)) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ p->cwmin = params->cw_min;
+ p->cwmax = params->cw_max;
+ p->aifs = params->aifs;
+ p->txop = params->txop;
+
+ ret = ath12k_wmi_send_wmm_update_cmd(ar, arvif->vdev_id,
+ &arvif->wmm_params);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set wmm params: %d\n", ret);
+ goto exit;
+ }
+
+ ret = ath12k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
+
+ if (ret)
+ ath12k_warn(ar->ab, "failed to set sta uapsd: %d\n", ret);
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static struct ieee80211_sta_ht_cap
+ath12k_create_ht_cap(struct ath12k *ar, u32 ar_ht_cap, u32 rate_cap_rx_chainmask)
+{
+ int i;
+ struct ieee80211_sta_ht_cap ht_cap = {0};
+ u32 ar_vht_cap = ar->pdev->cap.vht_cap;
+
+ if (!(ar_ht_cap & WMI_HT_CAP_ENABLED))
+ return ht_cap;
+
+ ht_cap.ht_supported = 1;
+ ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
+ ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
+ ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
+
+ if (ar_ht_cap & WMI_HT_CAP_HT20_SGI)
+ ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
+
+ if (ar_ht_cap & WMI_HT_CAP_HT40_SGI)
+ ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
+
+ if (ar_ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) {
+ u32 smps;
+
+ smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
+ smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
+
+ ht_cap.cap |= smps;
+ }
+
+ if (ar_ht_cap & WMI_HT_CAP_TX_STBC)
+ ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
+
+ if (ar_ht_cap & WMI_HT_CAP_RX_STBC) {
+ u32 stbc;
+
+ stbc = ar_ht_cap;
+ stbc &= WMI_HT_CAP_RX_STBC;
+ stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
+ stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
+ stbc &= IEEE80211_HT_CAP_RX_STBC;
+
+ ht_cap.cap |= stbc;
+ }
+
+ if (ar_ht_cap & WMI_HT_CAP_RX_LDPC)
+ ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
+
+ if (ar_ht_cap & WMI_HT_CAP_L_SIG_TXOP_PROT)
+ ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
+
+ if (ar_vht_cap & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
+ ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
+
+ for (i = 0; i < ar->num_rx_chains; i++) {
+ if (rate_cap_rx_chainmask & BIT(i))
+ ht_cap.mcs.rx_mask[i] = 0xFF;
+ }
+
+ ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
+
+ return ht_cap;
+}
+
+static int ath12k_mac_set_txbf_conf(struct ath12k_vif *arvif)
+{
+ u32 value = 0;
+ struct ath12k *ar = arvif->ar;
+ int nsts;
+ int sound_dim;
+ u32 vht_cap = ar->pdev->cap.vht_cap;
+ u32 vdev_param = WMI_VDEV_PARAM_TXBF;
+
+ if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) {
+ nsts = vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
+ nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
+ value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
+ }
+
+ if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) {
+ sound_dim = vht_cap &
+ IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
+ sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
+ if (sound_dim > (ar->num_tx_chains - 1))
+ sound_dim = ar->num_tx_chains - 1;
+ value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
+ }
+
+ if (!value)
+ return 0;
+
+ if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) {
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
+
+ if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) &&
+ arvif->vdev_type == WMI_VDEV_TYPE_AP)
+ value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
+ }
+
+ /* TODO: SUBFEE not validated in HK, disable here until validated? */
+
+ if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) {
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
+
+ if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) &&
+ arvif->vdev_type == WMI_VDEV_TYPE_STA)
+ value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
+ }
+
+ return ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, value);
+}
+
+static void ath12k_set_vht_txbf_cap(struct ath12k *ar, u32 *vht_cap)
+{
+ bool subfer, subfee;
+ int sound_dim = 0;
+
+ subfer = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE));
+ subfee = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE));
+
+ if (ar->num_tx_chains < 2) {
+ *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
+ subfer = false;
+ }
+
+ /* If SU Beaformer is not set, then disable MU Beamformer Capability */
+ if (!subfer)
+ *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
+
+ /* If SU Beaformee is not set, then disable MU Beamformee Capability */
+ if (!subfee)
+ *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
+
+ sound_dim = (*vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK);
+ sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
+ *vht_cap &= ~IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
+
+ /* TODO: Need to check invalid STS and Sound_dim values set by FW? */
+
+ /* Enable Sounding Dimension Field only if SU BF is enabled */
+ if (subfer) {
+ if (sound_dim > (ar->num_tx_chains - 1))
+ sound_dim = ar->num_tx_chains - 1;
+
+ sound_dim <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
+ sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
+ *vht_cap |= sound_dim;
+ }
+
+ /* Use the STS advertised by FW unless SU Beamformee is not supported*/
+ if (!subfee)
+ *vht_cap &= ~(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK);
+}
+
+static struct ieee80211_sta_vht_cap
+ath12k_create_vht_cap(struct ath12k *ar, u32 rate_cap_tx_chainmask,
+ u32 rate_cap_rx_chainmask)
+{
+ struct ieee80211_sta_vht_cap vht_cap = {0};
+ u16 txmcs_map, rxmcs_map;
+ int i;
+
+ vht_cap.vht_supported = 1;
+ vht_cap.cap = ar->pdev->cap.vht_cap;
+
+ ath12k_set_vht_txbf_cap(ar, &vht_cap.cap);
+
+ /* TODO: Enable back VHT160 mode once association issues are fixed */
+ /* Disabling VHT160 and VHT80+80 modes */
+ vht_cap.cap &= ~IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
+ vht_cap.cap &= ~IEEE80211_VHT_CAP_SHORT_GI_160;
+
+ rxmcs_map = 0;
+ txmcs_map = 0;
+ for (i = 0; i < 8; i++) {
+ if (i < ar->num_tx_chains && rate_cap_tx_chainmask & BIT(i))
+ txmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
+ else
+ txmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
+
+ if (i < ar->num_rx_chains && rate_cap_rx_chainmask & BIT(i))
+ rxmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
+ else
+ rxmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
+ }
+
+ if (rate_cap_tx_chainmask <= 1)
+ vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;
+
+ vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_map);
+ vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_map);
+
+ return vht_cap;
+}
+
+static void ath12k_mac_setup_ht_vht_cap(struct ath12k *ar,
+ struct ath12k_pdev_cap *cap,
+ u32 *ht_cap_info)
+{
+ struct ieee80211_supported_band *band;
+ u32 rate_cap_tx_chainmask;
+ u32 rate_cap_rx_chainmask;
+ u32 ht_cap;
+
+ rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift;
+ rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift;
+
+ if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {
+ band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+ ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info;
+ if (ht_cap_info)
+ *ht_cap_info = ht_cap;
+ band->ht_cap = ath12k_create_ht_cap(ar, ht_cap,
+ rate_cap_rx_chainmask);
+ }
+
+ if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&
+ (ar->ab->hw_params->single_pdev_only ||
+ !ar->supports_6ghz)) {
+ band = &ar->mac.sbands[NL80211_BAND_5GHZ];
+ ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info;
+ if (ht_cap_info)
+ *ht_cap_info = ht_cap;
+ band->ht_cap = ath12k_create_ht_cap(ar, ht_cap,
+ rate_cap_rx_chainmask);
+ band->vht_cap = ath12k_create_vht_cap(ar, rate_cap_tx_chainmask,
+ rate_cap_rx_chainmask);
+ }
+}
+
+static int ath12k_check_chain_mask(struct ath12k *ar, u32 ant, bool is_tx_ant)
+{
+ /* TODO: Check the request chainmask against the supported
+ * chainmask table which is advertised in extented_service_ready event
+ */
+
+ return 0;
+}
+
+static void ath12k_gen_ppe_thresh(struct ath12k_wmi_ppe_threshold_arg *fw_ppet,
+ u8 *he_ppet)
+{
+ int nss, ru;
+ u8 bit = 7;
+
+ he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK;
+ he_ppet[0] |= (fw_ppet->ru_bit_mask <<
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
+ for (nss = 0; nss <= fw_ppet->numss_m1; nss++) {
+ for (ru = 0; ru < 4; ru++) {
+ u8 val;
+ int i;
+
+ if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0)
+ continue;
+ val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
+ 0x3f;
+ val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
+ for (i = 5; i >= 0; i--) {
+ he_ppet[bit / 8] |=
+ ((val >> i) & 0x1) << ((bit % 8));
+ bit++;
+ }
+ }
+ }
+}
+
+static void
+ath12k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem)
+{
+ u8 m;
+
+ m = IEEE80211_HE_MAC_CAP0_TWT_RES |
+ IEEE80211_HE_MAC_CAP0_TWT_REQ;
+ he_cap_elem->mac_cap_info[0] &= ~m;
+
+ m = IEEE80211_HE_MAC_CAP2_TRS |
+ IEEE80211_HE_MAC_CAP2_BCAST_TWT |
+ IEEE80211_HE_MAC_CAP2_MU_CASCADING;
+ he_cap_elem->mac_cap_info[2] &= ~m;
+
+ m = IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED |
+ IEEE80211_HE_MAC_CAP2_BCAST_TWT |
+ IEEE80211_HE_MAC_CAP2_MU_CASCADING;
+ he_cap_elem->mac_cap_info[3] &= ~m;
+
+ m = IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG |
+ IEEE80211_HE_MAC_CAP4_BQR;
+ he_cap_elem->mac_cap_info[4] &= ~m;
+
+ m = IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION |
+ IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU |
+ IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING |
+ IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX;
+ he_cap_elem->mac_cap_info[5] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
+ IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
+ he_cap_elem->phy_cap_info[2] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU |
+ IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK |
+ IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK;
+ he_cap_elem->phy_cap_info[3] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
+ he_cap_elem->phy_cap_info[4] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
+ he_cap_elem->phy_cap_info[5] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
+ IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB |
+ IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
+ IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
+ he_cap_elem->phy_cap_info[6] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP7_PSR_BASED_SR |
+ IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
+ IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ |
+ IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;
+ he_cap_elem->phy_cap_info[7] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI |
+ IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
+ IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
+ IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
+ he_cap_elem->phy_cap_info[8] &= ~m;
+
+ m = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
+ IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
+ IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
+ IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
+ IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
+ IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
+ he_cap_elem->phy_cap_info[9] &= ~m;
+}
+
+static __le16 ath12k_mac_setup_he_6ghz_cap(struct ath12k_pdev_cap *pcap,
+ struct ath12k_band_cap *bcap)
+{
+ u8 val;
+
+ bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE;
+ if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
+ bcap->he_6ghz_capa |=
+ u32_encode_bits(WLAN_HT_CAP_SM_PS_DYNAMIC,
+ IEEE80211_HE_6GHZ_CAP_SM_PS);
+ else
+ bcap->he_6ghz_capa |=
+ u32_encode_bits(WLAN_HT_CAP_SM_PS_DISABLED,
+ IEEE80211_HE_6GHZ_CAP_SM_PS);
+ val = u32_get_bits(pcap->vht_cap,
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK);
+ bcap->he_6ghz_capa |=
+ u32_encode_bits(val, IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
+ val = u32_get_bits(pcap->vht_cap,
+ IEEE80211_VHT_CAP_MAX_MPDU_MASK);
+ bcap->he_6ghz_capa |=
+ u32_encode_bits(val, IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
+ if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
+ bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
+ if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
+ bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
+
+ return cpu_to_le16(bcap->he_6ghz_capa);
+}
+
+static int ath12k_mac_copy_he_cap(struct ath12k *ar,
+ struct ath12k_pdev_cap *cap,
+ struct ieee80211_sband_iftype_data *data,
+ int band)
+{
+ int i, idx = 0;
+
+ for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
+ struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
+ struct ath12k_band_cap *band_cap = &cap->band[band];
+ struct ieee80211_he_cap_elem *he_cap_elem =
+ &he_cap->he_cap_elem;
+
+ switch (i) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_MESH_POINT:
+ break;
+
+ default:
+ continue;
+ }
+
+ data[idx].types_mask = BIT(i);
+ he_cap->has_he = true;
+ memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info,
+ sizeof(he_cap_elem->mac_cap_info));
+ memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info,
+ sizeof(he_cap_elem->phy_cap_info));
+
+ he_cap_elem->mac_cap_info[1] &=
+ IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK;
+
+ he_cap_elem->phy_cap_info[5] &=
+ ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK;
+ he_cap_elem->phy_cap_info[5] &=
+ ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
+ he_cap_elem->phy_cap_info[5] |= ar->num_tx_chains - 1;
+
+ switch (i) {
+ case NL80211_IFTYPE_AP:
+ he_cap_elem->phy_cap_info[3] &=
+ ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK;
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
+ break;
+ case NL80211_IFTYPE_STATION:
+ he_cap_elem->mac_cap_info[0] &=
+ ~IEEE80211_HE_MAC_CAP0_TWT_RES;
+ he_cap_elem->mac_cap_info[0] |=
+ IEEE80211_HE_MAC_CAP0_TWT_REQ;
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ ath12k_mac_filter_he_cap_mesh(he_cap_elem);
+ break;
+ }
+
+ he_cap->he_mcs_nss_supp.rx_mcs_80 =
+ cpu_to_le16(band_cap->he_mcs & 0xffff);
+ he_cap->he_mcs_nss_supp.tx_mcs_80 =
+ cpu_to_le16(band_cap->he_mcs & 0xffff);
+ he_cap->he_mcs_nss_supp.rx_mcs_160 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+ he_cap->he_mcs_nss_supp.tx_mcs_160 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+ he_cap->he_mcs_nss_supp.rx_mcs_80p80 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+ he_cap->he_mcs_nss_supp.tx_mcs_80p80 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+
+ memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
+ if (he_cap_elem->phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
+ ath12k_gen_ppe_thresh(&band_cap->he_ppet,
+ he_cap->ppe_thres);
+
+ if (band == NL80211_BAND_6GHZ) {
+ data[idx].he_6ghz_capa.capa =
+ ath12k_mac_setup_he_6ghz_cap(cap, band_cap);
+ }
+ idx++;
+ }
+
+ return idx;
+}
+
+static void ath12k_mac_setup_he_cap(struct ath12k *ar,
+ struct ath12k_pdev_cap *cap)
+{
+ struct ieee80211_supported_band *band;
+ int count;
+
+ if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {
+ count = ath12k_mac_copy_he_cap(ar, cap,
+ ar->mac.iftype[NL80211_BAND_2GHZ],
+ NL80211_BAND_2GHZ);
+ band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+ band->iftype_data = ar->mac.iftype[NL80211_BAND_2GHZ];
+ band->n_iftype_data = count;
+ }
+
+ if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) {
+ count = ath12k_mac_copy_he_cap(ar, cap,
+ ar->mac.iftype[NL80211_BAND_5GHZ],
+ NL80211_BAND_5GHZ);
+ band = &ar->mac.sbands[NL80211_BAND_5GHZ];
+ band->iftype_data = ar->mac.iftype[NL80211_BAND_5GHZ];
+ band->n_iftype_data = count;
+ }
+
+ if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&
+ ar->supports_6ghz) {
+ count = ath12k_mac_copy_he_cap(ar, cap,
+ ar->mac.iftype[NL80211_BAND_6GHZ],
+ NL80211_BAND_6GHZ);
+ band = &ar->mac.sbands[NL80211_BAND_6GHZ];
+ band->iftype_data = ar->mac.iftype[NL80211_BAND_6GHZ];
+ band->n_iftype_data = count;
+ }
+}
+
+static int __ath12k_set_antenna(struct ath12k *ar, u32 tx_ant, u32 rx_ant)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (ath12k_check_chain_mask(ar, tx_ant, true))
+ return -EINVAL;
+
+ if (ath12k_check_chain_mask(ar, rx_ant, false))
+ return -EINVAL;
+
+ ar->cfg_tx_chainmask = tx_ant;
+ ar->cfg_rx_chainmask = rx_ant;
+
+ if (ar->state != ATH12K_STATE_ON &&
+ ar->state != ATH12K_STATE_RESTARTED)
+ return 0;
+
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_TX_CHAIN_MASK,
+ tx_ant, ar->pdev->pdev_id);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set tx-chainmask: %d, req 0x%x\n",
+ ret, tx_ant);
+ return ret;
+ }
+
+ ar->num_tx_chains = get_num_chains(tx_ant);
+
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RX_CHAIN_MASK,
+ rx_ant, ar->pdev->pdev_id);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set rx-chainmask: %d, req 0x%x\n",
+ ret, rx_ant);
+ return ret;
+ }
+
+ ar->num_rx_chains = get_num_chains(rx_ant);
+
+ /* Reload HT/VHT/HE capability */
+ ath12k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL);
+ ath12k_mac_setup_he_cap(ar, &ar->pdev->cap);
+
+ return 0;
+}
+
+int ath12k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx)
+{
+ struct sk_buff *msdu = skb;
+ struct ieee80211_tx_info *info;
+ struct ath12k *ar = ctx;
+ struct ath12k_base *ab = ar->ab;
+
+ spin_lock_bh(&ar->txmgmt_idr_lock);
+ idr_remove(&ar->txmgmt_idr, buf_id);
+ spin_unlock_bh(&ar->txmgmt_idr_lock);
+ dma_unmap_single(ab->dev, ATH12K_SKB_CB(msdu)->paddr, msdu->len,
+ DMA_TO_DEVICE);
+
+ info = IEEE80211_SKB_CB(msdu);
+ memset(&info->status, 0, sizeof(info->status));
+
+ ieee80211_free_txskb(ar->hw, msdu);
+
+ return 0;
+}
+
+static int ath12k_mac_vif_txmgmt_idr_remove(int buf_id, void *skb, void *ctx)
+{
+ struct ieee80211_vif *vif = ctx;
+ struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB((struct sk_buff *)skb);
+ struct sk_buff *msdu = skb;
+ struct ath12k *ar = skb_cb->ar;
+ struct ath12k_base *ab = ar->ab;
+
+ if (skb_cb->vif == vif) {
+ spin_lock_bh(&ar->txmgmt_idr_lock);
+ idr_remove(&ar->txmgmt_idr, buf_id);
+ spin_unlock_bh(&ar->txmgmt_idr_lock);
+ dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len,
+ DMA_TO_DEVICE);
+ }
+
+ return 0;
+}
+
+static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_vif *arvif,
+ struct sk_buff *skb)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_tx_info *info;
+ dma_addr_t paddr;
+ int buf_id;
+ int ret;
+
+ spin_lock_bh(&ar->txmgmt_idr_lock);
+ buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0,
+ ATH12K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC);
+ spin_unlock_bh(&ar->txmgmt_idr_lock);
+ if (buf_id < 0)
+ return -ENOSPC;
+
+ info = IEEE80211_SKB_CB(skb);
+ if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) {
+ if ((ieee80211_is_action(hdr->frame_control) ||
+ ieee80211_is_deauth(hdr->frame_control) ||
+ ieee80211_is_disassoc(hdr->frame_control)) &&
+ ieee80211_has_protected(hdr->frame_control)) {
+ skb_put(skb, IEEE80211_CCMP_MIC_LEN);
+ }
+ }
+
+ paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
+ if (dma_mapping_error(ab->dev, paddr)) {
+ ath12k_warn(ab, "failed to DMA map mgmt Tx buffer\n");
+ ret = -EIO;
+ goto err_free_idr;
+ }
+
+ ATH12K_SKB_CB(skb)->paddr = paddr;
+
+ ret = ath12k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to send mgmt frame: %d\n", ret);
+ goto err_unmap_buf;
+ }
+
+ return 0;
+
+err_unmap_buf:
+ dma_unmap_single(ab->dev, ATH12K_SKB_CB(skb)->paddr,
+ skb->len, DMA_TO_DEVICE);
+err_free_idr:
+ spin_lock_bh(&ar->txmgmt_idr_lock);
+ idr_remove(&ar->txmgmt_idr, buf_id);
+ spin_unlock_bh(&ar->txmgmt_idr_lock);
+
+ return ret;
+}
+
+static void ath12k_mgmt_over_wmi_tx_purge(struct ath12k *ar)
+{
+ struct sk_buff *skb;
+
+ while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL)
+ ieee80211_free_txskb(ar->hw, skb);
+}
+
+static void ath12k_mgmt_over_wmi_tx_work(struct work_struct *work)
+{
+ struct ath12k *ar = container_of(work, struct ath12k, wmi_mgmt_tx_work);
+ struct ath12k_skb_cb *skb_cb;
+ struct ath12k_vif *arvif;
+ struct sk_buff *skb;
+ int ret;
+
+ while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) {
+ skb_cb = ATH12K_SKB_CB(skb);
+ if (!skb_cb->vif) {
+ ath12k_warn(ar->ab, "no vif found for mgmt frame\n");
+ ieee80211_free_txskb(ar->hw, skb);
+ continue;
+ }
+
+ arvif = ath12k_vif_to_arvif(skb_cb->vif);
+ if (ar->allocated_vdev_map & (1LL << arvif->vdev_id) &&
+ arvif->is_started) {
+ ret = ath12k_mac_mgmt_tx_wmi(ar, arvif, skb);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n",
+ arvif->vdev_id, ret);
+ ieee80211_free_txskb(ar->hw, skb);
+ } else {
+ atomic_inc(&ar->num_pending_mgmt_tx);
+ }
+ } else {
+ ath12k_warn(ar->ab,
+ "dropping mgmt frame for vdev %d, is_started %d\n",
+ arvif->vdev_id,
+ arvif->is_started);
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+ }
+}
+
+static int ath12k_mac_mgmt_tx(struct ath12k *ar, struct sk_buff *skb,
+ bool is_prb_rsp)
+{
+ struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
+
+ if (test_bit(ATH12K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
+ return -ESHUTDOWN;
+
+ /* Drop probe response packets when the pending management tx
+ * count has reached a certain threshold, so as to prioritize
+ * other mgmt packets like auth and assoc to be sent on time
+ * for establishing successful connections.
+ */
+ if (is_prb_rsp &&
+ atomic_read(&ar->num_pending_mgmt_tx) > ATH12K_PRB_RSP_DROP_THRESHOLD) {
+ ath12k_warn(ar->ab,
+ "dropping probe response as pending queue is almost full\n");
+ return -ENOSPC;
+ }
+
+ if (skb_queue_len(q) == ATH12K_TX_MGMT_NUM_PENDING_MAX) {
+ ath12k_warn(ar->ab, "mgmt tx queue is full\n");
+ return -ENOSPC;
+ }
+
+ skb_queue_tail(q, skb);
+ ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
+
+ return 0;
+}
+
+static void ath12k_mac_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
+{
+ struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB(skb);
+ struct ath12k *ar = hw->priv;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_vif *vif = info->control.vif;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ u32 info_flags = info->flags;
+ bool is_prb_rsp;
+ int ret;
+
+ memset(skb_cb, 0, sizeof(*skb_cb));
+ skb_cb->vif = vif;
+
+ if (key) {
+ skb_cb->cipher = key->cipher;
+ skb_cb->flags |= ATH12K_SKB_CIPHER_SET;
+ }
+
+ if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {
+ skb_cb->flags |= ATH12K_SKB_HW_80211_ENCAP;
+ } else if (ieee80211_is_mgmt(hdr->frame_control)) {
+ is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control);
+ ret = ath12k_mac_mgmt_tx(ar, skb, is_prb_rsp);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to queue management frame %d\n",
+ ret);
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+ return;
+ }
+
+ ret = ath12k_dp_tx(ar, arvif, skb);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to transmit frame %d\n", ret);
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+}
+
+void ath12k_mac_drain_tx(struct ath12k *ar)
+{
+ /* make sure rcu-protected mac80211 tx path itself is drained */
+ synchronize_net();
+
+ cancel_work_sync(&ar->wmi_mgmt_tx_work);
+ ath12k_mgmt_over_wmi_tx_purge(ar);
+}
+
+static int ath12k_mac_config_mon_status_default(struct ath12k *ar, bool enable)
+{
+ return -ENOTSUPP;
+ /* TODO: Need to support new monitor mode */
+}
+
+static void ath12k_mac_wait_reconfigure(struct ath12k_base *ab)
+{
+ int recovery_start_count;
+
+ if (!ab->is_reset)
+ return;
+
+ recovery_start_count = atomic_inc_return(&ab->recovery_start_count);
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "recovery start count %d\n", recovery_start_count);
+
+ if (recovery_start_count == ab->num_radios) {
+ complete(&ab->recovery_start);
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "recovery started success\n");
+ }
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "waiting reconfigure...\n");
+
+ wait_for_completion_timeout(&ab->reconfigure_complete,
+ ATH12K_RECONFIGURE_TIMEOUT_HZ);
+}
+
+static int ath12k_mac_op_start(struct ieee80211_hw *hw)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_pdev *pdev = ar->pdev;
+ int ret;
+
+ ath12k_mac_drain_tx(ar);
+ mutex_lock(&ar->conf_mutex);
+
+ switch (ar->state) {
+ case ATH12K_STATE_OFF:
+ ar->state = ATH12K_STATE_ON;
+ break;
+ case ATH12K_STATE_RESTARTING:
+ ar->state = ATH12K_STATE_RESTARTED;
+ ath12k_mac_wait_reconfigure(ab);
+ break;
+ case ATH12K_STATE_RESTARTED:
+ case ATH12K_STATE_WEDGED:
+ case ATH12K_STATE_ON:
+ WARN_ON(1);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS,
+ 1, pdev->pdev_id);
+
+ if (ret) {
+ ath12k_err(ar->ab, "failed to enable PMF QOS: (%d\n", ret);
+ goto err;
+ }
+
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 1,
+ pdev->pdev_id);
+ if (ret) {
+ ath12k_err(ar->ab, "failed to enable dynamic bw: %d\n", ret);
+ goto err;
+ }
+
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_ARP_AC_OVERRIDE,
+ 0, pdev->pdev_id);
+ if (ret) {
+ ath12k_err(ab, "failed to set ac override for ARP: %d\n",
+ ret);
+ goto err;
+ }
+
+ ret = ath12k_wmi_send_dfs_phyerr_offload_enable_cmd(ar, pdev->pdev_id);
+ if (ret) {
+ ath12k_err(ab, "failed to offload radar detection: %d\n",
+ ret);
+ goto err;
+ }
+
+ ret = ath12k_dp_tx_htt_h2t_ppdu_stats_req(ar,
+ HTT_PPDU_STATS_TAG_DEFAULT);
+ if (ret) {
+ ath12k_err(ab, "failed to req ppdu stats: %d\n", ret);
+ goto err;
+ }
+
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_MESH_MCAST_ENABLE,
+ 1, pdev->pdev_id);
+
+ if (ret) {
+ ath12k_err(ar->ab, "failed to enable MESH MCAST ENABLE: (%d\n", ret);
+ goto err;
+ }
+
+ __ath12k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
+
+ /* TODO: Do we need to enable ANI? */
+
+ ath12k_reg_update_chan_list(ar);
+
+ ar->num_started_vdevs = 0;
+ ar->num_created_vdevs = 0;
+ ar->num_peers = 0;
+ ar->allocated_vdev_map = 0;
+
+ /* Configure monitor status ring with default rx_filter to get rx status
+ * such as rssi, rx_duration.
+ */
+ ret = ath12k_mac_config_mon_status_default(ar, true);
+ if (ret && (ret != -ENOTSUPP)) {
+ ath12k_err(ab, "failed to configure monitor status ring with default rx_filter: (%d)\n",
+ ret);
+ goto err;
+ }
+
+ if (ret == -ENOTSUPP)
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "monitor status config is not yet supported");
+
+ /* Configure the hash seed for hash based reo dest ring selection */
+ ath12k_wmi_pdev_lro_cfg(ar, ar->pdev->pdev_id);
+
+ /* allow device to enter IMPS */
+ if (ab->hw_params->idle_ps) {
+ ret = ath12k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_IDLE_PS_CONFIG,
+ 1, pdev->pdev_id);
+ if (ret) {
+ ath12k_err(ab, "failed to enable idle ps: %d\n", ret);
+ goto err;
+ }
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+
+ rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx],
+ &ab->pdevs[ar->pdev_idx]);
+
+ return 0;
+
+err:
+ ar->state = ATH12K_STATE_OFF;
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static void ath12k_mac_op_stop(struct ieee80211_hw *hw)
+{
+ struct ath12k *ar = hw->priv;
+ struct htt_ppdu_stats_info *ppdu_stats, *tmp;
+ int ret;
+
+ ath12k_mac_drain_tx(ar);
+
+ mutex_lock(&ar->conf_mutex);
+ ret = ath12k_mac_config_mon_status_default(ar, false);
+ if (ret && (ret != -ENOTSUPP))
+ ath12k_err(ar->ab, "failed to clear rx_filter for monitor status ring: (%d)\n",
+ ret);
+
+ clear_bit(ATH12K_CAC_RUNNING, &ar->dev_flags);
+ ar->state = ATH12K_STATE_OFF;
+ mutex_unlock(&ar->conf_mutex);
+
+ cancel_delayed_work_sync(&ar->scan.timeout);
+ cancel_work_sync(&ar->regd_update_work);
+
+ spin_lock_bh(&ar->data_lock);
+ list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) {
+ list_del(&ppdu_stats->list);
+ kfree(ppdu_stats);
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ rcu_assign_pointer(ar->ab->pdevs_active[ar->pdev_idx], NULL);
+
+ synchronize_rcu();
+
+ atomic_set(&ar->num_pending_mgmt_tx, 0);
+}
+
+static u8
+ath12k_mac_get_vdev_stats_id(struct ath12k_vif *arvif)
+{
+ struct ath12k_base *ab = arvif->ar->ab;
+ u8 vdev_stats_id = 0;
+
+ do {
+ if (ab->free_vdev_stats_id_map & (1LL << vdev_stats_id)) {
+ vdev_stats_id++;
+ if (vdev_stats_id <= ATH12K_INVAL_VDEV_STATS_ID) {
+ vdev_stats_id = ATH12K_INVAL_VDEV_STATS_ID;
+ break;
+ }
+ } else {
+ ab->free_vdev_stats_id_map |= (1LL << vdev_stats_id);
+ break;
+ }
+ } while (vdev_stats_id);
+
+ arvif->vdev_stats_id = vdev_stats_id;
+ return vdev_stats_id;
+}
+
+static void ath12k_mac_setup_vdev_create_arg(struct ath12k_vif *arvif,
+ struct ath12k_wmi_vdev_create_arg *arg)
+{
+ struct ath12k *ar = arvif->ar;
+ struct ath12k_pdev *pdev = ar->pdev;
+
+ arg->if_id = arvif->vdev_id;
+ arg->type = arvif->vdev_type;
+ arg->subtype = arvif->vdev_subtype;
+ arg->pdev_id = pdev->pdev_id;
+
+ if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) {
+ arg->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains;
+ arg->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains;
+ }
+ if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) {
+ arg->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;
+ arg->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;
+ }
+ if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP &&
+ ar->supports_6ghz) {
+ arg->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains;
+ arg->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains;
+ }
+
+ arg->if_stats_id = ath12k_mac_get_vdev_stats_id(arvif);
+}
+
+static u32
+ath12k_mac_prepare_he_mode(struct ath12k_pdev *pdev, u32 viftype)
+{
+ struct ath12k_pdev_cap *pdev_cap = &pdev->cap;
+ struct ath12k_band_cap *cap_band = NULL;
+ u32 *hecap_phy_ptr = NULL;
+ u32 hemode = 0;
+
+ if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP)
+ cap_band = &pdev_cap->band[NL80211_BAND_2GHZ];
+ else
+ cap_band = &pdev_cap->band[NL80211_BAND_5GHZ];
+
+ hecap_phy_ptr = &cap_band->he_cap_phy_info[0];
+
+ hemode = u32_encode_bits(HE_SU_BFEE_ENABLE, HE_MODE_SU_TX_BFEE) |
+ u32_encode_bits(HECAP_PHY_SUBFMR_GET(hecap_phy_ptr),
+ HE_MODE_SU_TX_BFER) |
+ u32_encode_bits(HECAP_PHY_ULMUMIMO_GET(hecap_phy_ptr),
+ HE_MODE_UL_MUMIMO);
+
+ /* TODO: WDS and other modes */
+ if (viftype == NL80211_IFTYPE_AP) {
+ hemode |= u32_encode_bits(HECAP_PHY_MUBFMR_GET(hecap_phy_ptr),
+ HE_MODE_MU_TX_BFER) |
+ u32_encode_bits(HE_DL_MUOFDMA_ENABLE, HE_MODE_DL_OFDMA) |
+ u32_encode_bits(HE_UL_MUOFDMA_ENABLE, HE_MODE_UL_OFDMA);
+ } else {
+ hemode |= u32_encode_bits(HE_MU_BFEE_ENABLE, HE_MODE_MU_TX_BFEE);
+ }
+
+ return hemode;
+}
+
+static int ath12k_set_he_mu_sounding_mode(struct ath12k *ar,
+ struct ath12k_vif *arvif)
+{
+ u32 param_id, param_value;
+ struct ath12k_base *ab = ar->ab;
+ int ret = 0;
+
+ param_id = WMI_VDEV_PARAM_SET_HEMU_MODE;
+ param_value = ath12k_mac_prepare_he_mode(ar->pdev, arvif->vif->type);
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, param_value);
+ if (ret) {
+ ath12k_warn(ab, "failed to set vdev %d HE MU mode: %d param_value %x\n",
+ arvif->vdev_id, ret, param_value);
+ return ret;
+ }
+ param_id = WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE;
+ param_value =
+ u32_encode_bits(HE_VHT_SOUNDING_MODE_ENABLE, HE_VHT_SOUNDING_MODE) |
+ u32_encode_bits(HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE,
+ HE_TRIG_NONTRIG_SOUNDING_MODE);
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, param_value);
+ if (ret) {
+ ath12k_warn(ab, "failed to set vdev %d HE MU mode: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ return ret;
+}
+
+static void ath12k_mac_op_update_vif_offload(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ u32 param_id, param_value;
+ int ret;
+
+ param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE;
+ if (vif->type != NL80211_IFTYPE_STATION &&
+ vif->type != NL80211_IFTYPE_AP)
+ vif->offload_flags &= ~(IEEE80211_OFFLOAD_ENCAP_ENABLED |
+ IEEE80211_OFFLOAD_DECAP_ENABLED);
+
+ if (vif->offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED)
+ arvif->tx_encap_type = ATH12K_HW_TXRX_ETHERNET;
+ else if (test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags))
+ arvif->tx_encap_type = ATH12K_HW_TXRX_RAW;
+ else
+ arvif->tx_encap_type = ATH12K_HW_TXRX_NATIVE_WIFI;
+
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, arvif->tx_encap_type);
+ if (ret) {
+ ath12k_warn(ab, "failed to set vdev %d tx encap mode: %d\n",
+ arvif->vdev_id, ret);
+ vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
+ }
+
+ param_id = WMI_VDEV_PARAM_RX_DECAP_TYPE;
+ if (vif->offload_flags & IEEE80211_OFFLOAD_DECAP_ENABLED)
+ param_value = ATH12K_HW_TXRX_ETHERNET;
+ else if (test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags))
+ param_value = ATH12K_HW_TXRX_RAW;
+ else
+ param_value = ATH12K_HW_TXRX_NATIVE_WIFI;
+
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, param_value);
+ if (ret) {
+ ath12k_warn(ab, "failed to set vdev %d rx decap mode: %d\n",
+ arvif->vdev_id, ret);
+ vif->offload_flags &= ~IEEE80211_OFFLOAD_DECAP_ENABLED;
+ }
+}
+
+static int ath12k_mac_op_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct ath12k_wmi_vdev_create_arg vdev_arg = {0};
+ struct ath12k_wmi_peer_create_arg peer_param;
+ u32 param_id, param_value;
+ u16 nss;
+ int i;
+ int ret;
+ int bit;
+
+ vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (vif->type == NL80211_IFTYPE_AP &&
+ ar->num_peers > (ar->max_num_peers - 1)) {
+ ath12k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n");
+ ret = -ENOBUFS;
+ goto err;
+ }
+
+ if (ar->num_created_vdevs > (TARGET_NUM_VDEVS - 1)) {
+ ath12k_warn(ab, "failed to create vdev, reached max vdev limit %d\n",
+ TARGET_NUM_VDEVS);
+ ret = -EBUSY;
+ goto err;
+ }
+
+ memset(arvif, 0, sizeof(*arvif));
+
+ arvif->ar = ar;
+ arvif->vif = vif;
+
+ INIT_LIST_HEAD(&arvif->list);
+
+ /* Should we initialize any worker to handle connection loss indication
+ * from firmware in sta mode?
+ */
+
+ for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
+ arvif->bitrate_mask.control[i].legacy = 0xffffffff;
+ memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
+ sizeof(arvif->bitrate_mask.control[i].ht_mcs));
+ memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
+ sizeof(arvif->bitrate_mask.control[i].vht_mcs));
+ }
+
+ bit = __ffs64(ab->free_vdev_map);
+
+ arvif->vdev_id = bit;
+ arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NL80211_IFTYPE_STATION:
+ arvif->vdev_type = WMI_VDEV_TYPE_STA;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ arvif->vdev_subtype = WMI_VDEV_SUBTYPE_MESH_11S;
+ fallthrough;
+ case NL80211_IFTYPE_AP:
+ arvif->vdev_type = WMI_VDEV_TYPE_AP;
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
+ ar->monitor_vdev_id = bit;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac add interface id %d type %d subtype %d map %llx\n",
+ arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
+ ab->free_vdev_map);
+
+ vif->cab_queue = arvif->vdev_id % (ATH12K_HW_MAX_QUEUES - 1);
+ for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
+ vif->hw_queue[i] = i % (ATH12K_HW_MAX_QUEUES - 1);
+
+ ath12k_mac_setup_vdev_create_arg(arvif, &vdev_arg);
+
+ ret = ath12k_wmi_vdev_create(ar, vif->addr, &vdev_arg);
+ if (ret) {
+ ath12k_warn(ab, "failed to create WMI vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ goto err;
+ }
+
+ ar->num_created_vdevs++;
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "vdev %pM created, vdev_id %d\n",
+ vif->addr, arvif->vdev_id);
+ ar->allocated_vdev_map |= 1LL << arvif->vdev_id;
+ ab->free_vdev_map &= ~(1LL << arvif->vdev_id);
+
+ spin_lock_bh(&ar->data_lock);
+ list_add(&arvif->list, &ar->arvifs);
+ spin_unlock_bh(&ar->data_lock);
+
+ ath12k_mac_op_update_vif_offload(hw, vif);
+
+ nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ WMI_VDEV_PARAM_NSS, nss);
+ if (ret) {
+ ath12k_warn(ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n",
+ arvif->vdev_id, ar->cfg_tx_chainmask, nss, ret);
+ goto err_vdev_del;
+ }
+
+ switch (arvif->vdev_type) {
+ case WMI_VDEV_TYPE_AP:
+ peer_param.vdev_id = arvif->vdev_id;
+ peer_param.peer_addr = vif->addr;
+ peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;
+ ret = ath12k_peer_create(ar, arvif, NULL, &peer_param);
+ if (ret) {
+ ath12k_warn(ab, "failed to vdev %d create peer for AP: %d\n",
+ arvif->vdev_id, ret);
+ goto err_vdev_del;
+ }
+
+ ret = ath12k_mac_set_kickout(arvif);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set vdev %i kickout parameters: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_del;
+ }
+ break;
+ case WMI_VDEV_TYPE_STA:
+ param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
+ param_value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
+ ret = ath12k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ param_id, param_value);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set vdev %d RX wake policy: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_del;
+ }
+
+ param_id = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
+ param_value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
+ ret = ath12k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ param_id, param_value);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set vdev %d TX wake threshold: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_del;
+ }
+
+ param_id = WMI_STA_PS_PARAM_PSPOLL_COUNT;
+ param_value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
+ ret = ath12k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ param_id, param_value);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set vdev %d pspoll count: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_del;
+ }
+
+ ret = ath12k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, false);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to disable vdev %d ps mode: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_del;
+ }
+ break;
+ default:
+ break;
+ }
+
+ arvif->txpower = vif->bss_conf.txpower;
+ ret = ath12k_mac_txpower_recalc(ar);
+ if (ret)
+ goto err_peer_del;
+
+ param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;
+ param_value = ar->hw->wiphy->rts_threshold;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param_id, param_value);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set rts threshold for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ ath12k_dp_vdev_tx_attach(ar, arvif);
+
+ if (vif->type != NL80211_IFTYPE_MONITOR && ar->monitor_conf_enabled)
+ ath12k_mac_monitor_vdev_create(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+
+err_peer_del:
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
+ reinit_completion(&ar->peer_delete_done);
+
+ ret = ath12k_wmi_send_peer_delete_cmd(ar, vif->addr,
+ arvif->vdev_id);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to delete peer vdev_id %d addr %pM\n",
+ arvif->vdev_id, vif->addr);
+ goto err;
+ }
+
+ ret = ath12k_wait_for_peer_delete_done(ar, arvif->vdev_id,
+ vif->addr);
+ if (ret)
+ goto err;
+
+ ar->num_peers--;
+ }
+
+err_vdev_del:
+ ath12k_wmi_vdev_delete(ar, arvif->vdev_id);
+ ar->num_created_vdevs--;
+ ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);
+ ab->free_vdev_map |= 1LL << arvif->vdev_id;
+ ab->free_vdev_stats_id_map &= ~(1LL << arvif->vdev_stats_id);
+ spin_lock_bh(&ar->data_lock);
+ list_del(&arvif->list);
+ spin_unlock_bh(&ar->data_lock);
+
+err:
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static void ath12k_mac_vif_unref(struct ath12k_dp *dp, struct ieee80211_vif *vif)
+{
+ struct ath12k_tx_desc_info *tx_desc_info, *tmp1;
+ struct ath12k_skb_cb *skb_cb;
+ struct sk_buff *skb;
+ int i;
+
+ for (i = 0; i < ATH12K_HW_MAX_QUEUES; i++) {
+ spin_lock_bh(&dp->tx_desc_lock[i]);
+
+ list_for_each_entry_safe(tx_desc_info, tmp1, &dp->tx_desc_used_list[i],
+ list) {
+ skb = tx_desc_info->skb;
+ if (!skb)
+ continue;
+
+ skb_cb = ATH12K_SKB_CB(skb);
+ if (skb_cb->vif == vif)
+ skb_cb->vif = NULL;
+ }
+
+ spin_unlock_bh(&dp->tx_desc_lock[i]);
+ }
+}
+
+static void ath12k_mac_op_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+ struct ath12k_base *ab = ar->ab;
+ unsigned long time_left;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "mac remove interface (vdev %d)\n",
+ arvif->vdev_id);
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
+ ret = ath12k_peer_delete(ar, arvif->vdev_id, vif->addr);
+ if (ret)
+ ath12k_warn(ab, "failed to submit AP self-peer removal on vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ reinit_completion(&ar->vdev_delete_done);
+
+ ret = ath12k_wmi_vdev_delete(ar, arvif->vdev_id);
+ if (ret) {
+ ath12k_warn(ab, "failed to delete WMI vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ goto err_vdev_del;
+ }
+
+ time_left = wait_for_completion_timeout(&ar->vdev_delete_done,
+ ATH12K_VDEV_DELETE_TIMEOUT_HZ);
+ if (time_left == 0) {
+ ath12k_warn(ab, "Timeout in receiving vdev delete response\n");
+ goto err_vdev_del;
+ }
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
+ ar->monitor_vdev_id = -1;
+ ar->monitor_vdev_created = false;
+ } else if (ar->monitor_vdev_created && !ar->monitor_started) {
+ ret = ath12k_mac_monitor_vdev_delete(ar);
+ }
+
+ ab->free_vdev_map |= 1LL << (arvif->vdev_id);
+ ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);
+ ab->free_vdev_stats_id_map &= ~(1LL << arvif->vdev_stats_id);
+ ar->num_created_vdevs--;
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n",
+ vif->addr, arvif->vdev_id);
+
+err_vdev_del:
+ spin_lock_bh(&ar->data_lock);
+ list_del(&arvif->list);
+ spin_unlock_bh(&ar->data_lock);
+
+ ath12k_peer_cleanup(ar, arvif->vdev_id);
+
+ idr_for_each(&ar->txmgmt_idr,
+ ath12k_mac_vif_txmgmt_idr_remove, vif);
+
+ ath12k_mac_vif_unref(&ab->dp, vif);
+ ath12k_dp_tx_put_bank_profile(&ab->dp, arvif->bank_id);
+
+ /* Recalc txpower for remaining vdev */
+ ath12k_mac_txpower_recalc(ar);
+ clear_bit(ATH12K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
+
+ /* TODO: recal traffic pause state based on the available vdevs */
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+/* FIXME: Has to be verified. */
+#define SUPPORTED_FILTERS \
+ (FIF_ALLMULTI | \
+ FIF_CONTROL | \
+ FIF_PSPOLL | \
+ FIF_OTHER_BSS | \
+ FIF_BCN_PRBRESP_PROMISC | \
+ FIF_PROBE_REQ | \
+ FIF_FCSFAIL)
+
+static void ath12k_mac_op_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
+{
+ struct ath12k *ar = hw->priv;
+ bool reset_flag = false;
+ int ret = 0;
+
+ mutex_lock(&ar->conf_mutex);
+
+ changed_flags &= SUPPORTED_FILTERS;
+ *total_flags &= SUPPORTED_FILTERS;
+ ar->filter_flags = *total_flags;
+
+ /* For monitor mode */
+ reset_flag = !(ar->filter_flags & FIF_BCN_PRBRESP_PROMISC);
+
+ ret = ath12k_dp_tx_htt_monitor_mode_ring_config(ar, reset_flag);
+ if (!ret) {
+ if (!reset_flag)
+ set_bit(ATH12K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
+ else
+ clear_bit(ATH12K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
+ } else {
+ ath12k_warn(ar->ab,
+ "fail to set monitor filter: %d\n", ret);
+ }
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "changed_flags:0x%x, total_flags:0x%x, reset_flag:%d\n",
+ changed_flags, *total_flags, reset_flag);
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath12k_mac_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+{
+ struct ath12k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+
+ *tx_ant = ar->cfg_tx_chainmask;
+ *rx_ant = ar->cfg_rx_chainmask;
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return 0;
+}
+
+static int ath12k_mac_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+ struct ath12k *ar = hw->priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+ ret = __ath12k_set_antenna(ar, tx_ant, rx_ant);
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static int ath12k_mac_op_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ struct ath12k *ar = hw->priv;
+ int ret = -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+
+ switch (params->action) {
+ case IEEE80211_AMPDU_RX_START:
+ ret = ath12k_dp_rx_ampdu_start(ar, params);
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ ret = ath12k_dp_rx_ampdu_stop(ar, params);
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /* Tx A-MPDU aggregation offloaded to hw/fw so deny mac80211
+ * Tx aggregation requests.
+ */
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static int ath12k_mac_op_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "mac chanctx add freq %u width %d ptr %pK\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx);
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ /* TODO: In case of multiple channel context, populate rx_channel from
+ * Rx PPDU desc information.
+ */
+ ar->rx_channel = ctx->def.chan;
+ spin_unlock_bh(&ar->data_lock);
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return 0;
+}
+
+static void ath12k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "mac chanctx remove freq %u width %d ptr %pK\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx);
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ /* TODO: In case of there is one more channel context left, populate
+ * rx_channel with the channel of that remaining channel context.
+ */
+ ar->rx_channel = NULL;
+ spin_unlock_bh(&ar->data_lock);
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int
+ath12k_mac_vdev_start_restart(struct ath12k_vif *arvif,
+ const struct cfg80211_chan_def *chandef,
+ bool restart)
+{
+ struct ath12k *ar = arvif->ar;
+ struct ath12k_base *ab = ar->ab;
+ struct wmi_vdev_start_req_arg arg = {};
+ int he_support = arvif->vif->bss_conf.he_support;
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ reinit_completion(&ar->vdev_setup_done);
+
+ arg.vdev_id = arvif->vdev_id;
+ arg.dtim_period = arvif->dtim_period;
+ arg.bcn_intval = arvif->beacon_interval;
+
+ arg.freq = chandef->chan->center_freq;
+ arg.band_center_freq1 = chandef->center_freq1;
+ arg.band_center_freq2 = chandef->center_freq2;
+ arg.mode = ath12k_phymodes[chandef->chan->band][chandef->width];
+
+ arg.min_power = 0;
+ arg.max_power = chandef->chan->max_power * 2;
+ arg.max_reg_power = chandef->chan->max_reg_power * 2;
+ arg.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
+
+ arg.pref_tx_streams = ar->num_tx_chains;
+ arg.pref_rx_streams = ar->num_rx_chains;
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
+ arg.ssid = arvif->u.ap.ssid;
+ arg.ssid_len = arvif->u.ap.ssid_len;
+ arg.hidden_ssid = arvif->u.ap.hidden_ssid;
+
+ /* For now allow DFS for AP mode */
+ arg.chan_radar = !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
+
+ arg.passive = arg.chan_radar;
+
+ spin_lock_bh(&ab->base_lock);
+ arg.regdomain = ar->ab->dfs_region;
+ spin_unlock_bh(&ab->base_lock);
+
+ /* TODO: Notify if secondary 80Mhz also needs radar detection */
+ if (he_support) {
+ ret = ath12k_set_he_mu_sounding_mode(ar, arvif);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set he mode vdev %i\n",
+ arg.vdev_id);
+ return ret;
+ }
+ }
+ }
+
+ arg.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR);
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "mac vdev %d start center_freq %d phymode %s\n",
+ arg.vdev_id, arg.freq,
+ ath12k_mac_phymode_str(arg.mode));
+
+ ret = ath12k_wmi_vdev_start(ar, &arg, restart);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to %s WMI vdev %i\n",
+ restart ? "restart" : "start", arg.vdev_id);
+ return ret;
+ }
+
+ ret = ath12k_mac_vdev_setup_sync(ar);
+ if (ret) {
+ ath12k_warn(ab, "failed to synchronize setup for vdev %i %s: %d\n",
+ arg.vdev_id, restart ? "restart" : "start", ret);
+ return ret;
+ }
+
+ ar->num_started_vdevs++;
+ ath12k_dbg(ab, ATH12K_DBG_MAC, "vdev %pM started, vdev_id %d\n",
+ arvif->vif->addr, arvif->vdev_id);
+
+ /* Enable CAC Flag in the driver by checking the channel DFS cac time,
+ * i.e dfs_cac_ms value which will be valid only for radar channels
+ * and state as NL80211_DFS_USABLE which indicates CAC needs to be
+ * done before channel usage. This flags is used to drop rx packets.
+ * during CAC.
+ */
+ /* TODO: Set the flag for other interface types as required */
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP &&
+ chandef->chan->dfs_cac_ms &&
+ chandef->chan->dfs_state == NL80211_DFS_USABLE) {
+ set_bit(ATH12K_CAC_RUNNING, &ar->dev_flags);
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "CAC Started in chan_freq %d for vdev %d\n",
+ arg.freq, arg.vdev_id);
+ }
+
+ ret = ath12k_mac_set_txbf_conf(arvif);
+ if (ret)
+ ath12k_warn(ab, "failed to set txbf conf for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+
+ return 0;
+}
+
+static int ath12k_mac_vdev_stop(struct ath12k_vif *arvif)
+{
+ struct ath12k *ar = arvif->ar;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ reinit_completion(&ar->vdev_setup_done);
+
+ ret = ath12k_wmi_vdev_stop(ar, arvif->vdev_id);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to stop WMI vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err;
+ }
+
+ ret = ath12k_mac_vdev_setup_sync(ar);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to synchronize setup for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err;
+ }
+
+ WARN_ON(ar->num_started_vdevs == 0);
+
+ ar->num_started_vdevs--;
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n",
+ arvif->vif->addr, arvif->vdev_id);
+
+ if (test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) {
+ clear_bit(ATH12K_CAC_RUNNING, &ar->dev_flags);
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "CAC Stopped for vdev %d\n",
+ arvif->vdev_id);
+ }
+
+ return 0;
+err:
+ return ret;
+}
+
+static int ath12k_mac_vdev_start(struct ath12k_vif *arvif,
+ const struct cfg80211_chan_def *chandef)
+{
+ return ath12k_mac_vdev_start_restart(arvif, chandef, false);
+}
+
+static int ath12k_mac_vdev_restart(struct ath12k_vif *arvif,
+ const struct cfg80211_chan_def *chandef)
+{
+ return ath12k_mac_vdev_start_restart(arvif, chandef, true);
+}
+
+struct ath12k_mac_change_chanctx_arg {
+ struct ieee80211_chanctx_conf *ctx;
+ struct ieee80211_vif_chanctx_switch *vifs;
+ int n_vifs;
+ int next_vif;
+};
+
+static void
+ath12k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k_mac_change_chanctx_arg *arg = data;
+
+ if (rcu_access_pointer(vif->bss_conf.chanctx_conf) != arg->ctx)
+ return;
+
+ arg->n_vifs++;
+}
+
+static void
+ath12k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k_mac_change_chanctx_arg *arg = data;
+ struct ieee80211_chanctx_conf *ctx;
+
+ ctx = rcu_access_pointer(vif->bss_conf.chanctx_conf);
+ if (ctx != arg->ctx)
+ return;
+
+ if (WARN_ON(arg->next_vif == arg->n_vifs))
+ return;
+
+ arg->vifs[arg->next_vif].vif = vif;
+ arg->vifs[arg->next_vif].old_ctx = ctx;
+ arg->vifs[arg->next_vif].new_ctx = ctx;
+ arg->next_vif++;
+}
+
+static void
+ath12k_mac_update_vif_chan(struct ath12k *ar,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif;
+ int ret;
+ int i;
+ bool monitor_vif = false;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ for (i = 0; i < n_vifs; i++) {
+ arvif = (void *)vifs[i].vif->drv_priv;
+
+ if (vifs[i].vif->type == NL80211_IFTYPE_MONITOR)
+ monitor_vif = true;
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "mac chanctx switch vdev_id %i freq %u->%u width %d->%d\n",
+ arvif->vdev_id,
+ vifs[i].old_ctx->def.chan->center_freq,
+ vifs[i].new_ctx->def.chan->center_freq,
+ vifs[i].old_ctx->def.width,
+ vifs[i].new_ctx->def.width);
+
+ if (WARN_ON(!arvif->is_started))
+ continue;
+
+ if (WARN_ON(!arvif->is_up))
+ continue;
+
+ ret = ath12k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret) {
+ ath12k_warn(ab, "failed to down vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ continue;
+ }
+ }
+
+ /* All relevant vdevs are downed and associated channel resources
+ * should be available for the channel switch now.
+ */
+
+ /* TODO: Update ar->rx_channel */
+
+ for (i = 0; i < n_vifs; i++) {
+ arvif = (void *)vifs[i].vif->drv_priv;
+
+ if (WARN_ON(!arvif->is_started))
+ continue;
+
+ if (WARN_ON(!arvif->is_up))
+ continue;
+
+ ret = ath12k_mac_vdev_restart(arvif, &vifs[i].new_ctx->def);
+ if (ret) {
+ ath12k_warn(ab, "failed to restart vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ continue;
+ }
+
+ ret = ath12k_mac_setup_bcn_tmpl(arvif);
+ if (ret)
+ ath12k_warn(ab, "failed to update bcn tmpl during csa: %d\n",
+ ret);
+
+ ret = ath12k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
+ arvif->bssid);
+ if (ret) {
+ ath12k_warn(ab, "failed to bring vdev up %d: %d\n",
+ arvif->vdev_id, ret);
+ continue;
+ }
+ }
+
+ /* Restart the internal monitor vdev on new channel */
+ if (!monitor_vif && ar->monitor_vdev_created) {
+ if (!ath12k_mac_monitor_stop(ar))
+ ath12k_mac_monitor_start(ar);
+ }
+}
+
+static void
+ath12k_mac_update_active_vif_chan(struct ath12k *ar,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath12k_mac_change_chanctx_arg arg = { .ctx = ctx };
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ ath12k_mac_change_chanctx_cnt_iter,
+ &arg);
+ if (arg.n_vifs == 0)
+ return;
+
+ arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), GFP_KERNEL);
+ if (!arg.vifs)
+ return;
+
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ ath12k_mac_change_chanctx_fill_iter,
+ &arg);
+
+ ath12k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
+
+ kfree(arg.vifs);
+}
+
+static void ath12k_mac_op_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
+ u32 changed)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "mac chanctx change freq %u width %d ptr %pK changed %x\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
+
+ /* This shouldn't really happen because channel switching should use
+ * switch_vif_chanctx().
+ */
+ if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
+ goto unlock;
+
+ if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH)
+ ath12k_mac_update_active_vif_chan(ar, ctx);
+
+ /* TODO: Recalc radar detection */
+
+unlock:
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath12k_start_vdev_delay(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ if (WARN_ON(arvif->is_started))
+ return -EBUSY;
+
+ ret = ath12k_mac_vdev_start(arvif, &arvif->chanctx.def);
+ if (ret) {
+ ath12k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",
+ arvif->vdev_id, vif->addr,
+ arvif->chanctx.def.chan->center_freq, ret);
+ return ret;
+ }
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
+ ret = ath12k_monitor_vdev_up(ar, arvif->vdev_id);
+ if (ret) {
+ ath12k_warn(ab, "failed put monitor up: %d\n", ret);
+ return ret;
+ }
+ }
+
+ arvif->is_started = true;
+
+ /* TODO: Setup ps and cts/rts protection */
+ return 0;
+}
+
+static int
+ath12k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+ struct ath12k_wmi_peer_create_arg param;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "mac chanctx assign ptr %pK vdev_id %i\n",
+ ctx, arvif->vdev_id);
+
+ /* for some targets bss peer must be created before vdev_start */
+ if (ab->hw_params->vdev_start_delay &&
+ arvif->vdev_type != WMI_VDEV_TYPE_AP &&
+ arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&
+ !ath12k_peer_find_by_vdev_id(ab, arvif->vdev_id)) {
+ memcpy(&arvif->chanctx, ctx, sizeof(*ctx));
+ ret = 0;
+ goto out;
+ }
+
+ if (WARN_ON(arvif->is_started)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ if (ab->hw_params->vdev_start_delay &&
+ (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
+ arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)) {
+ param.vdev_id = arvif->vdev_id;
+ param.peer_type = WMI_PEER_TYPE_DEFAULT;
+ param.peer_addr = ar->mac_addr;
+
+ ret = ath12k_peer_create(ar, arvif, NULL, &param);
+ if (ret) {
+ ath12k_warn(ab, "failed to create peer after vdev start delay: %d",
+ ret);
+ goto out;
+ }
+ }
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
+ ret = ath12k_mac_monitor_start(ar);
+ if (ret)
+ goto out;
+ arvif->is_started = true;
+ goto out;
+ }
+
+ ret = ath12k_mac_vdev_start(arvif, &ctx->def);
+ if (ret) {
+ ath12k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",
+ arvif->vdev_id, vif->addr,
+ ctx->def.chan->center_freq, ret);
+ goto out;
+ }
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR && ar->monitor_vdev_created)
+ ath12k_mac_monitor_start(ar);
+
+ arvif->is_started = true;
+
+ /* TODO: Setup ps and cts/rts protection */
+
+ ret = 0;
+
+out:
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static void
+ath12k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath12k_dbg(ab, ATH12K_DBG_MAC,
+ "mac chanctx unassign ptr %pK vdev_id %i\n",
+ ctx, arvif->vdev_id);
+
+ WARN_ON(!arvif->is_started);
+
+ if (ab->hw_params->vdev_start_delay &&
+ arvif->vdev_type == WMI_VDEV_TYPE_MONITOR &&
+ ath12k_peer_find_by_addr(ab, ar->mac_addr))
+ ath12k_peer_delete(ar, arvif->vdev_id, ar->mac_addr);
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
+ ret = ath12k_mac_monitor_stop(ar);
+ if (ret) {
+ mutex_unlock(&ar->conf_mutex);
+ return;
+ }
+
+ arvif->is_started = false;
+ mutex_unlock(&ar->conf_mutex);
+ }
+
+ ret = ath12k_mac_vdev_stop(arvif);
+ if (ret)
+ ath12k_warn(ab, "failed to stop vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_started = false;
+
+ if (ab->hw_params->vdev_start_delay &&
+ arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)
+ ath12k_wmi_vdev_down(ar, arvif->vdev_id);
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&
+ ar->num_started_vdevs == 1 && ar->monitor_vdev_created)
+ ath12k_mac_monitor_stop(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int
+ath12k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode)
+{
+ struct ath12k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "mac chanctx switch n_vifs %d mode %d\n",
+ n_vifs, mode);
+ ath12k_mac_update_vif_chan(ar, vifs, n_vifs);
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return 0;
+}
+
+static int
+ath12k_set_vdev_param_to_all_vifs(struct ath12k *ar, int param, u32 value)
+{
+ struct ath12k_vif *arvif;
+ int ret = 0;
+
+ mutex_lock(&ar->conf_mutex);
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "setting mac vdev %d param %d value %d\n",
+ param, arvif->vdev_id, value);
+
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ param, value);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set param %d for vdev %d: %d\n",
+ param, arvif->vdev_id, ret);
+ break;
+ }
+ }
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+/* mac80211 stores device specific RTS/Fragmentation threshold value,
+ * this is set interface specific to firmware from ath12k driver
+ */
+static int ath12k_mac_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ struct ath12k *ar = hw->priv;
+ int param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;
+
+ return ath12k_set_vdev_param_to_all_vifs(ar, param_id, value);
+}
+
+static int ath12k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ /* Even though there's a WMI vdev param for fragmentation threshold no
+ * known firmware actually implements it. Moreover it is not possible to
+ * rely frame fragmentation to mac80211 because firmware clears the
+ * "more fragments" bit in frame control making it impossible for remote
+ * devices to reassemble frames.
+ *
+ * Hence implement a dummy callback just to say fragmentation isn't
+ * supported. This effectively prevents mac80211 from doing frame
+ * fragmentation in software.
+ */
+ return -EOPNOTSUPP;
+}
+
+static void ath12k_mac_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u32 queues, bool drop)
+{
+ struct ath12k *ar = hw->priv;
+ long time_left;
+
+ if (drop)
+ return;
+
+ time_left = wait_event_timeout(ar->dp.tx_empty_waitq,
+ (atomic_read(&ar->dp.num_tx_pending) == 0),
+ ATH12K_FLUSH_TIMEOUT);
+ if (time_left == 0)
+ ath12k_warn(ar->ab, "failed to flush transmit queue %ld\n", time_left);
+}
+
+static int
+ath12k_mac_bitrate_mask_num_ht_rates(struct ath12k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ int num_rates = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
+ num_rates += hweight16(mask->control[band].ht_mcs[i]);
+
+ return num_rates;
+}
+
+static bool
+ath12k_mac_has_single_legacy_rate(struct ath12k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ int num_rates = 0;
+
+ num_rates = hweight32(mask->control[band].legacy);
+
+ if (ath12k_mac_bitrate_mask_num_ht_rates(ar, band, mask))
+ return false;
+
+ if (ath12k_mac_bitrate_mask_num_vht_rates(ar, band, mask))
+ return false;
+
+ return num_rates == 1;
+}
+
+static bool
+ath12k_mac_bitrate_mask_get_single_nss(struct ath12k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask,
+ int *nss)
+{
+ struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
+ u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
+ u8 ht_nss_mask = 0;
+ u8 vht_nss_mask = 0;
+ int i;
+
+ /* No need to consider legacy here. Basic rates are always present
+ * in bitrate mask
+ */
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
+ if (mask->control[band].ht_mcs[i] == 0)
+ continue;
+ else if (mask->control[band].ht_mcs[i] ==
+ sband->ht_cap.mcs.rx_mask[i])
+ ht_nss_mask |= BIT(i);
+ else
+ return false;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
+ if (mask->control[band].vht_mcs[i] == 0)
+ continue;
+ else if (mask->control[band].vht_mcs[i] ==
+ ath12k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
+ vht_nss_mask |= BIT(i);
+ else
+ return false;
+ }
+
+ if (ht_nss_mask != vht_nss_mask)
+ return false;
+
+ if (ht_nss_mask == 0)
+ return false;
+
+ if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
+ return false;
+
+ *nss = fls(ht_nss_mask);
+
+ return true;
+}
+
+static int
+ath12k_mac_get_single_legacy_rate(struct ath12k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask,
+ u32 *rate, u8 *nss)
+{
+ int rate_idx;
+ u16 bitrate;
+ u8 preamble;
+ u8 hw_rate;
+
+ if (hweight32(mask->control[band].legacy) != 1)
+ return -EINVAL;
+
+ rate_idx = ffs(mask->control[band].legacy) - 1;
+
+ if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ)
+ rate_idx += ATH12K_MAC_FIRST_OFDM_RATE_IDX;
+
+ hw_rate = ath12k_legacy_rates[rate_idx].hw_value;
+ bitrate = ath12k_legacy_rates[rate_idx].bitrate;
+
+ if (ath12k_mac_bitrate_is_cck(bitrate))
+ preamble = WMI_RATE_PREAMBLE_CCK;
+ else
+ preamble = WMI_RATE_PREAMBLE_OFDM;
+
+ *nss = 1;
+ *rate = ATH12K_HW_RATE_CODE(hw_rate, 0, preamble);
+
+ return 0;
+}
+
+static int ath12k_mac_set_fixed_rate_params(struct ath12k_vif *arvif,
+ u32 rate, u8 nss, u8 sgi, u8 ldpc)
+{
+ struct ath12k *ar = arvif->ar;
+ u32 vdev_param;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02x nss %u sgi %u\n",
+ arvif->vdev_id, rate, nss, sgi);
+
+ vdev_param = WMI_VDEV_PARAM_FIXED_RATE;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, rate);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set fixed rate param 0x%02x: %d\n",
+ rate, ret);
+ return ret;
+ }
+
+ vdev_param = WMI_VDEV_PARAM_NSS;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, nss);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set nss param %d: %d\n",
+ nss, ret);
+ return ret;
+ }
+
+ vdev_param = WMI_VDEV_PARAM_SGI;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, sgi);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set sgi param %d: %d\n",
+ sgi, ret);
+ return ret;
+ }
+
+ vdev_param = WMI_VDEV_PARAM_LDPC;
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
+ vdev_param, ldpc);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set ldpc param %d: %d\n",
+ ldpc, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static bool
+ath12k_mac_vht_mcs_range_present(struct ath12k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ int i;
+ u16 vht_mcs;
+
+ for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
+ vht_mcs = mask->control[band].vht_mcs[i];
+
+ switch (vht_mcs) {
+ case 0:
+ case BIT(8) - 1:
+ case BIT(9) - 1:
+ case BIT(10) - 1:
+ break;
+ default:
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static void ath12k_mac_set_bitrate_mask_iter(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k_vif *arvif = data;
+ struct ath12k_sta *arsta = (struct ath12k_sta *)sta->drv_priv;
+ struct ath12k *ar = arvif->ar;
+
+ spin_lock_bh(&ar->data_lock);
+ arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
+ spin_unlock_bh(&ar->data_lock);
+
+ ieee80211_queue_work(ar->hw, &arsta->update_wk);
+}
+
+static void ath12k_mac_disable_peer_fixed_rate(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath12k_vif *arvif = data;
+ struct ath12k *ar = arvif->ar;
+ int ret;
+
+ ret = ath12k_wmi_set_peer_param(ar, sta->addr,
+ arvif->vdev_id,
+ WMI_PEER_PARAM_FIXED_RATE,
+ WMI_FIXED_RATE_NONE);
+ if (ret)
+ ath12k_warn(ar->ab,
+ "failed to disable peer fixed rate for STA %pM ret %d\n",
+ sta->addr, ret);
+}
+
+static int
+ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ struct ath12k *ar = arvif->ar;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ const u16 *vht_mcs_mask;
+ u32 rate;
+ u8 nss;
+ u8 sgi;
+ u8 ldpc;
+ int single_nss;
+ int ret;
+ int num_rates;
+
+ if (ath12k_mac_vif_chan(vif, &def))
+ return -EPERM;
+
+ band = def.chan->band;
+ ht_mcs_mask = mask->control[band].ht_mcs;
+ vht_mcs_mask = mask->control[band].vht_mcs;
+ ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
+
+ sgi = mask->control[band].gi;
+ if (sgi == NL80211_TXRATE_FORCE_LGI)
+ return -EINVAL;
+
+ /* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it
+ * requires passing at least one of used basic rates along with them.
+ * Fixed rate setting across different preambles(legacy, HT, VHT) is
+ * not supported by the FW. Hence use of FIXED_RATE vdev param is not
+ * suitable for setting single HT/VHT rates.
+ * But, there could be a single basic rate passed from userspace which
+ * can be done through the FIXED_RATE param.
+ */
+ if (ath12k_mac_has_single_legacy_rate(ar, band, mask)) {
+ ret = ath12k_mac_get_single_legacy_rate(ar, band, mask, &rate,
+ &nss);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to get single legacy rate for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath12k_mac_disable_peer_fixed_rate,
+ arvif);
+ } else if (ath12k_mac_bitrate_mask_get_single_nss(ar, band, mask,
+ &single_nss)) {
+ rate = WMI_FIXED_RATE_NONE;
+ nss = single_nss;
+ } else {
+ rate = WMI_FIXED_RATE_NONE;
+ nss = min_t(u32, ar->num_tx_chains,
+ max(ath12k_mac_max_ht_nss(ht_mcs_mask),
+ ath12k_mac_max_vht_nss(vht_mcs_mask)));
+
+ /* If multiple rates across different preambles are given
+ * we can reconfigure this info with all peers using PEER_ASSOC
+ * command with the below exception cases.
+ * - Single VHT Rate : peer_assoc command accommodates only MCS
+ * range values i.e 0-7, 0-8, 0-9 for VHT. Though mac80211
+ * mandates passing basic rates along with HT/VHT rates, FW
+ * doesn't allow switching from VHT to Legacy. Hence instead of
+ * setting legacy and VHT rates using RATEMASK_CMD vdev cmd,
+ * we could set this VHT rate as peer fixed rate param, which
+ * will override FIXED rate and FW rate control algorithm.
+ * If single VHT rate is passed along with HT rates, we select
+ * the VHT rate as fixed rate for vht peers.
+ * - Multiple VHT Rates : When Multiple VHT rates are given,this
+ * can be set using RATEMASK CMD which uses FW rate-ctl alg.
+ * TODO: Setting multiple VHT MCS and replacing peer_assoc with
+ * RATEMASK_CMDID can cover all use cases of setting rates
+ * across multiple preambles and rates within same type.
+ * But requires more validation of the command at this point.
+ */
+
+ num_rates = ath12k_mac_bitrate_mask_num_vht_rates(ar, band,
+ mask);
+
+ if (!ath12k_mac_vht_mcs_range_present(ar, band, mask) &&
+ num_rates > 1) {
+ /* TODO: Handle multiple VHT MCS values setting using
+ * RATEMASK CMD
+ */
+ ath12k_warn(ar->ab,
+ "Setting more than one MCS Value in bitrate mask not supported\n");
+ return -EINVAL;
+ }
+
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath12k_mac_disable_peer_fixed_rate,
+ arvif);
+
+ mutex_lock(&ar->conf_mutex);
+
+ arvif->bitrate_mask = *mask;
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath12k_mac_set_bitrate_mask_iter,
+ arvif);
+
+ mutex_unlock(&ar->conf_mutex);
+ }
+
+ mutex_lock(&ar->conf_mutex);
+
+ ret = ath12k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set fixed rate params on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static void
+ath12k_mac_op_reconfig_complete(struct ieee80211_hw *hw,
+ enum ieee80211_reconfig_type reconfig_type)
+{
+ struct ath12k *ar = hw->priv;
+ struct ath12k_base *ab = ar->ab;
+ int recovery_count;
+
+ if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
+ return;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (ar->state == ATH12K_STATE_RESTARTED) {
+ ath12k_warn(ar->ab, "pdev %d successfully recovered\n",
+ ar->pdev->pdev_id);
+ ar->state = ATH12K_STATE_ON;
+ ieee80211_wake_queues(ar->hw);
+
+ if (ab->is_reset) {
+ recovery_count = atomic_inc_return(&ab->recovery_count);
+ ath12k_dbg(ab, ATH12K_DBG_BOOT, "recovery count %d\n",
+ recovery_count);
+ /* When there are multiple radios in an SOC,
+ * the recovery has to be done for each radio
+ */
+ if (recovery_count == ab->num_radios) {
+ atomic_dec(&ab->reset_count);
+ complete(&ab->reset_complete);
+ ab->is_reset = false;
+ atomic_set(&ab->fail_cont_count, 0);
+ ath12k_dbg(ab, ATH12K_DBG_BOOT, "reset success\n");
+ }
+ }
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static void
+ath12k_mac_update_bss_chan_survey(struct ath12k *ar,
+ struct ieee80211_channel *channel)
+{
+ int ret;
+ enum wmi_bss_chan_info_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!test_bit(WMI_TLV_SERVICE_BSS_CHANNEL_INFO_64, ar->ab->wmi_ab.svc_map) ||
+ ar->rx_channel != channel)
+ return;
+
+ if (ar->scan.state != ATH12K_SCAN_IDLE) {
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "ignoring bss chan info req while scanning..\n");
+ return;
+ }
+
+ reinit_completion(&ar->bss_survey_done);
+
+ ret = ath12k_wmi_pdev_bss_chan_info_request(ar, type);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to send pdev bss chan info request\n");
+ return;
+ }
+
+ ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ);
+ if (ret == 0)
+ ath12k_warn(ar->ab, "bss channel survey timed out\n");
+}
+
+static int ath12k_mac_op_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct ath12k *ar = hw->priv;
+ struct ieee80211_supported_band *sband;
+ struct survey_info *ar_survey;
+ int ret = 0;
+
+ if (idx >= ATH12K_NUM_CHANS)
+ return -ENOENT;
+
+ ar_survey = &ar->survey[idx];
+
+ mutex_lock(&ar->conf_mutex);
+
+ sband = hw->wiphy->bands[NL80211_BAND_2GHZ];
+ if (sband && idx >= sband->n_channels) {
+ idx -= sband->n_channels;
+ sband = NULL;
+ }
+
+ if (!sband)
+ sband = hw->wiphy->bands[NL80211_BAND_5GHZ];
+
+ if (!sband || idx >= sband->n_channels) {
+ ret = -ENOENT;
+ goto exit;
+ }
+
+ ath12k_mac_update_bss_chan_survey(ar, &sband->channels[idx]);
+
+ spin_lock_bh(&ar->data_lock);
+ memcpy(survey, ar_survey, sizeof(*survey));
+ spin_unlock_bh(&ar->data_lock);
+
+ survey->channel = &sband->channels[idx];
+
+ if (ar->rx_channel == survey->channel)
+ survey->filled |= SURVEY_INFO_IN_USE;
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void ath12k_mac_op_sta_statistics(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct station_info *sinfo)
+{
+ struct ath12k_sta *arsta = (struct ath12k_sta *)sta->drv_priv;
+
+ sinfo->rx_duration = arsta->rx_duration;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
+
+ sinfo->tx_duration = arsta->tx_duration;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);
+
+ if (!arsta->txrate.legacy && !arsta->txrate.nss)
+ return;
+
+ if (arsta->txrate.legacy) {
+ sinfo->txrate.legacy = arsta->txrate.legacy;
+ } else {
+ sinfo->txrate.mcs = arsta->txrate.mcs;
+ sinfo->txrate.nss = arsta->txrate.nss;
+ sinfo->txrate.bw = arsta->txrate.bw;
+ sinfo->txrate.he_gi = arsta->txrate.he_gi;
+ sinfo->txrate.he_dcm = arsta->txrate.he_dcm;
+ sinfo->txrate.he_ru_alloc = arsta->txrate.he_ru_alloc;
+ }
+ sinfo->txrate.flags = arsta->txrate.flags;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+
+ /* TODO: Use real NF instead of default one. */
+ sinfo->signal = arsta->rssi_comb + ATH12K_DEFAULT_NOISE_FLOOR;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
+}
+
+static const struct ieee80211_ops ath12k_ops = {
+ .tx = ath12k_mac_op_tx,
+ .start = ath12k_mac_op_start,
+ .stop = ath12k_mac_op_stop,
+ .reconfig_complete = ath12k_mac_op_reconfig_complete,
+ .add_interface = ath12k_mac_op_add_interface,
+ .remove_interface = ath12k_mac_op_remove_interface,
+ .update_vif_offload = ath12k_mac_op_update_vif_offload,
+ .config = ath12k_mac_op_config,
+ .bss_info_changed = ath12k_mac_op_bss_info_changed,
+ .configure_filter = ath12k_mac_op_configure_filter,
+ .hw_scan = ath12k_mac_op_hw_scan,
+ .cancel_hw_scan = ath12k_mac_op_cancel_hw_scan,
+ .set_key = ath12k_mac_op_set_key,
+ .sta_state = ath12k_mac_op_sta_state,
+ .sta_set_txpwr = ath12k_mac_op_sta_set_txpwr,
+ .sta_rc_update = ath12k_mac_op_sta_rc_update,
+ .conf_tx = ath12k_mac_op_conf_tx,
+ .set_antenna = ath12k_mac_op_set_antenna,
+ .get_antenna = ath12k_mac_op_get_antenna,
+ .ampdu_action = ath12k_mac_op_ampdu_action,
+ .add_chanctx = ath12k_mac_op_add_chanctx,
+ .remove_chanctx = ath12k_mac_op_remove_chanctx,
+ .change_chanctx = ath12k_mac_op_change_chanctx,
+ .assign_vif_chanctx = ath12k_mac_op_assign_vif_chanctx,
+ .unassign_vif_chanctx = ath12k_mac_op_unassign_vif_chanctx,
+ .switch_vif_chanctx = ath12k_mac_op_switch_vif_chanctx,
+ .set_rts_threshold = ath12k_mac_op_set_rts_threshold,
+ .set_frag_threshold = ath12k_mac_op_set_frag_threshold,
+ .set_bitrate_mask = ath12k_mac_op_set_bitrate_mask,
+ .get_survey = ath12k_mac_op_get_survey,
+ .flush = ath12k_mac_op_flush,
+ .sta_statistics = ath12k_mac_op_sta_statistics,
+};
+
+static void ath12k_mac_update_ch_list(struct ath12k *ar,
+ struct ieee80211_supported_band *band,
+ u32 freq_low, u32 freq_high)
+{
+ int i;
+
+ if (!(freq_low && freq_high))
+ return;
+
+ for (i = 0; i < band->n_channels; i++) {
+ if (band->channels[i].center_freq < freq_low ||
+ band->channels[i].center_freq > freq_high)
+ band->channels[i].flags |= IEEE80211_CHAN_DISABLED;
+ }
+}
+
+static u32 ath12k_get_phy_id(struct ath12k *ar, u32 band)
+{
+ struct ath12k_pdev *pdev = ar->pdev;
+ struct ath12k_pdev_cap *pdev_cap = &pdev->cap;
+
+ if (band == WMI_HOST_WLAN_2G_CAP)
+ return pdev_cap->band[NL80211_BAND_2GHZ].phy_id;
+
+ if (band == WMI_HOST_WLAN_5G_CAP)
+ return pdev_cap->band[NL80211_BAND_5GHZ].phy_id;
+
+ ath12k_warn(ar->ab, "unsupported phy cap:%d\n", band);
+
+ return 0;
+}
+
+static int ath12k_mac_setup_channels_rates(struct ath12k *ar,
+ u32 supported_bands)
+{
+ struct ieee80211_supported_band *band;
+ struct ath12k_wmi_hal_reg_capabilities_ext_arg *reg_cap;
+ void *channels;
+ u32 phy_id;
+
+ BUILD_BUG_ON((ARRAY_SIZE(ath12k_2ghz_channels) +
+ ARRAY_SIZE(ath12k_5ghz_channels) +
+ ARRAY_SIZE(ath12k_6ghz_channels)) !=
+ ATH12K_NUM_CHANS);
+
+ reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx];
+
+ if (supported_bands & WMI_HOST_WLAN_2G_CAP) {
+ channels = kmemdup(ath12k_2ghz_channels,
+ sizeof(ath12k_2ghz_channels),
+ GFP_KERNEL);
+ if (!channels)
+ return -ENOMEM;
+
+ band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+ band->band = NL80211_BAND_2GHZ;
+ band->n_channels = ARRAY_SIZE(ath12k_2ghz_channels);
+ band->channels = channels;
+ band->n_bitrates = ath12k_g_rates_size;
+ band->bitrates = ath12k_g_rates;
+ ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band;
+
+ if (ar->ab->hw_params->single_pdev_only) {
+ phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_2G_CAP);
+ reg_cap = &ar->ab->hal_reg_cap[phy_id];
+ }
+ ath12k_mac_update_ch_list(ar, band,
+ reg_cap->low_2ghz_chan,
+ reg_cap->high_2ghz_chan);
+ }
+
+ if (supported_bands & WMI_HOST_WLAN_5G_CAP) {
+ if (reg_cap->high_5ghz_chan >= ATH12K_MAX_6G_FREQ) {
+ channels = kmemdup(ath12k_6ghz_channels,
+ sizeof(ath12k_6ghz_channels), GFP_KERNEL);
+ if (!channels) {
+ kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+ return -ENOMEM;
+ }
+
+ ar->supports_6ghz = true;
+ band = &ar->mac.sbands[NL80211_BAND_6GHZ];
+ band->band = NL80211_BAND_6GHZ;
+ band->n_channels = ARRAY_SIZE(ath12k_6ghz_channels);
+ band->channels = channels;
+ band->n_bitrates = ath12k_a_rates_size;
+ band->bitrates = ath12k_a_rates;
+ ar->hw->wiphy->bands[NL80211_BAND_6GHZ] = band;
+ ath12k_mac_update_ch_list(ar, band,
+ reg_cap->low_5ghz_chan,
+ reg_cap->high_5ghz_chan);
+ }
+
+ if (reg_cap->low_5ghz_chan < ATH12K_MIN_6G_FREQ) {
+ channels = kmemdup(ath12k_5ghz_channels,
+ sizeof(ath12k_5ghz_channels),
+ GFP_KERNEL);
+ if (!channels) {
+ kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+ kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
+ return -ENOMEM;
+ }
+
+ band = &ar->mac.sbands[NL80211_BAND_5GHZ];
+ band->band = NL80211_BAND_5GHZ;
+ band->n_channels = ARRAY_SIZE(ath12k_5ghz_channels);
+ band->channels = channels;
+ band->n_bitrates = ath12k_a_rates_size;
+ band->bitrates = ath12k_a_rates;
+ ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
+
+ if (ar->ab->hw_params->single_pdev_only) {
+ phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP);
+ reg_cap = &ar->ab->hal_reg_cap[phy_id];
+ }
+
+ ath12k_mac_update_ch_list(ar, band,
+ reg_cap->low_5ghz_chan,
+ reg_cap->high_5ghz_chan);
+ }
+ }
+
+ return 0;
+}
+
+static int ath12k_mac_setup_iface_combinations(struct ath12k *ar)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ieee80211_iface_combination *combinations;
+ struct ieee80211_iface_limit *limits;
+ int n_limits, max_interfaces;
+ bool ap, mesh;
+
+ ap = ab->hw_params->interface_modes & BIT(NL80211_IFTYPE_AP);
+
+ mesh = IS_ENABLED(CONFIG_MAC80211_MESH) &&
+ ab->hw_params->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT);
+
+ combinations = kzalloc(sizeof(*combinations), GFP_KERNEL);
+ if (!combinations)
+ return -ENOMEM;
+
+ if (ap || mesh) {
+ n_limits = 2;
+ max_interfaces = 16;
+ } else {
+ n_limits = 1;
+ max_interfaces = 1;
+ }
+
+ limits = kcalloc(n_limits, sizeof(*limits), GFP_KERNEL);
+ if (!limits) {
+ kfree(combinations);
+ return -ENOMEM;
+ }
+
+ limits[0].max = 1;
+ limits[0].types |= BIT(NL80211_IFTYPE_STATION);
+
+ if (ap) {
+ limits[1].max = max_interfaces;
+ limits[1].types |= BIT(NL80211_IFTYPE_AP);
+ }
+
+ if (mesh)
+ limits[1].types |= BIT(NL80211_IFTYPE_MESH_POINT);
+
+ combinations[0].limits = limits;
+ combinations[0].n_limits = n_limits;
+ combinations[0].max_interfaces = max_interfaces;
+ combinations[0].num_different_channels = 1;
+ combinations[0].beacon_int_infra_match = true;
+ combinations[0].beacon_int_min_gcd = 100;
+ combinations[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80);
+
+ ar->hw->wiphy->iface_combinations = combinations;
+ ar->hw->wiphy->n_iface_combinations = 1;
+
+ return 0;
+}
+
+static const u8 ath12k_if_types_ext_capa[] = {
+ [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
+ [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
+};
+
+static const u8 ath12k_if_types_ext_capa_sta[] = {
+ [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
+ [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
+ [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
+};
+
+static const u8 ath12k_if_types_ext_capa_ap[] = {
+ [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
+ [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
+ [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT,
+};
+
+static const struct wiphy_iftype_ext_capab ath12k_iftypes_ext_capa[] = {
+ {
+ .extended_capabilities = ath12k_if_types_ext_capa,
+ .extended_capabilities_mask = ath12k_if_types_ext_capa,
+ .extended_capabilities_len = sizeof(ath12k_if_types_ext_capa),
+ }, {
+ .iftype = NL80211_IFTYPE_STATION,
+ .extended_capabilities = ath12k_if_types_ext_capa_sta,
+ .extended_capabilities_mask = ath12k_if_types_ext_capa_sta,
+ .extended_capabilities_len =
+ sizeof(ath12k_if_types_ext_capa_sta),
+ }, {
+ .iftype = NL80211_IFTYPE_AP,
+ .extended_capabilities = ath12k_if_types_ext_capa_ap,
+ .extended_capabilities_mask = ath12k_if_types_ext_capa_ap,
+ .extended_capabilities_len =
+ sizeof(ath12k_if_types_ext_capa_ap),
+ },
+};
+
+static void __ath12k_mac_unregister(struct ath12k *ar)
+{
+ cancel_work_sync(&ar->regd_update_work);
+
+ ieee80211_unregister_hw(ar->hw);
+
+ idr_for_each(&ar->txmgmt_idr, ath12k_mac_tx_mgmt_pending_free, ar);
+ idr_destroy(&ar->txmgmt_idr);
+
+ kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+ kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
+ kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
+
+ kfree(ar->hw->wiphy->iface_combinations[0].limits);
+ kfree(ar->hw->wiphy->iface_combinations);
+
+ SET_IEEE80211_DEV(ar->hw, NULL);
+}
+
+void ath12k_mac_unregister(struct ath12k_base *ab)
+{
+ struct ath12k *ar;
+ struct ath12k_pdev *pdev;
+ int i;
+
+ for (i = 0; i < ab->num_radios; i++) {
+ pdev = &ab->pdevs[i];
+ ar = pdev->ar;
+ if (!ar)
+ continue;
+
+ __ath12k_mac_unregister(ar);
+ }
+}
+
+static int __ath12k_mac_register(struct ath12k *ar)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_pdev_cap *cap = &ar->pdev->cap;
+ static const u32 cipher_suites[] = {
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+ WLAN_CIPHER_SUITE_AES_CMAC,
+ WLAN_CIPHER_SUITE_BIP_CMAC_256,
+ WLAN_CIPHER_SUITE_BIP_GMAC_128,
+ WLAN_CIPHER_SUITE_BIP_GMAC_256,
+ WLAN_CIPHER_SUITE_GCMP,
+ WLAN_CIPHER_SUITE_GCMP_256,
+ WLAN_CIPHER_SUITE_CCMP_256,
+ };
+ int ret;
+ u32 ht_cap = 0;
+
+ ath12k_pdev_caps_update(ar);
+
+ SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
+
+ SET_IEEE80211_DEV(ar->hw, ab->dev);
+
+ ret = ath12k_mac_setup_channels_rates(ar,
+ cap->supported_bands);
+ if (ret)
+ goto err;
+
+ ath12k_mac_setup_ht_vht_cap(ar, cap, &ht_cap);
+ ath12k_mac_setup_he_cap(ar, cap);
+
+ ret = ath12k_mac_setup_iface_combinations(ar);
+ if (ret) {
+ ath12k_err(ar->ab, "failed to setup interface combinations: %d\n", ret);
+ goto err_free_channels;
+ }
+
+ ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask;
+ ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask;
+
+ ar->hw->wiphy->interface_modes = ab->hw_params->interface_modes;
+
+ ieee80211_hw_set(ar->hw, SIGNAL_DBM);
+ ieee80211_hw_set(ar->hw, SUPPORTS_PS);
+ ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
+ ieee80211_hw_set(ar->hw, MFP_CAPABLE);
+ ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
+ ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
+ ieee80211_hw_set(ar->hw, AP_LINK_PS);
+ ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
+ ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
+ ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
+ ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
+ ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
+ ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG);
+ ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK);
+
+ if (ht_cap & WMI_HT_CAP_ENABLED) {
+ ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
+ ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
+ ieee80211_hw_set(ar->hw, SUPPORTS_REORDERING_BUFFER);
+ ieee80211_hw_set(ar->hw, SUPPORTS_AMSDU_IN_AMPDU);
+ ieee80211_hw_set(ar->hw, USES_RSS);
+ }
+
+ ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
+ ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+
+ /* TODO: Check if HT capability advertised from firmware is different
+ * for each band for a dual band capable radio. It will be tricky to
+ * handle it when the ht capability different for each band.
+ */
+ if (ht_cap & WMI_HT_CAP_DYNAMIC_SMPS)
+ ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
+
+ ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
+ ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
+
+ ar->hw->max_listen_interval = ATH12K_MAX_HW_LISTEN_INTERVAL;
+
+ ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+ ar->hw->wiphy->max_remain_on_channel_duration = 5000;
+
+ ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
+ ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
+ NL80211_FEATURE_AP_SCAN;
+
+ ar->max_num_stations = TARGET_NUM_STATIONS;
+ ar->max_num_peers = TARGET_NUM_PEERS_PDEV;
+
+ ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
+
+ ar->hw->queues = ATH12K_HW_MAX_QUEUES;
+ ar->hw->wiphy->tx_queue_len = ATH12K_QUEUE_LEN;
+ ar->hw->offchannel_tx_hw_queue = ATH12K_HW_MAX_QUEUES - 1;
+ ar->hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
+
+ ar->hw->vif_data_size = sizeof(struct ath12k_vif);
+ ar->hw->sta_data_size = sizeof(struct ath12k_sta);
+
+ wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+ wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_STA_TX_PWR);
+
+ ar->hw->wiphy->cipher_suites = cipher_suites;
+ ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
+ ar->hw->wiphy->iftype_ext_capab = ath12k_iftypes_ext_capa;
+ ar->hw->wiphy->num_iftype_ext_capab =
+ ARRAY_SIZE(ath12k_iftypes_ext_capa);
+
+ if (ar->supports_6ghz) {
+ wiphy_ext_feature_set(ar->hw->wiphy,
+ NL80211_EXT_FEATURE_FILS_DISCOVERY);
+ wiphy_ext_feature_set(ar->hw->wiphy,
+ NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);
+ }
+
+ ath12k_reg_init(ar);
+
+ if (!test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags)) {
+ ar->hw->netdev_features = NETIF_F_HW_CSUM;
+ ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
+ ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
+ }
+
+ ret = ieee80211_register_hw(ar->hw);
+ if (ret) {
+ ath12k_err(ar->ab, "ieee80211 registration failed: %d\n", ret);
+ goto err_free_if_combs;
+ }
+
+ if (!ab->hw_params->supports_monitor)
+ /* There's a race between calling ieee80211_register_hw()
+ * and here where the monitor mode is enabled for a little
+ * while. But that time is so short and in practise it make
+ * a difference in real life.
+ */
+ ar->hw->wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MONITOR);
+
+ /* Apply the regd received during initialization */
+ ret = ath12k_regd_update(ar, true);
+ if (ret) {
+ ath12k_err(ar->ab, "ath12k regd update failed: %d\n", ret);
+ goto err_unregister_hw;
+ }
+
+ return 0;
+
+err_unregister_hw:
+ ieee80211_unregister_hw(ar->hw);
+
+err_free_if_combs:
+ kfree(ar->hw->wiphy->iface_combinations[0].limits);
+ kfree(ar->hw->wiphy->iface_combinations);
+
+err_free_channels:
+ kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+ kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
+ kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
+
+err:
+ SET_IEEE80211_DEV(ar->hw, NULL);
+ return ret;
+}
+
+int ath12k_mac_register(struct ath12k_base *ab)
+{
+ struct ath12k *ar;
+ struct ath12k_pdev *pdev;
+ int i;
+ int ret;
+
+ if (test_bit(ATH12K_FLAG_REGISTERED, &ab->dev_flags))
+ return 0;
+
+ for (i = 0; i < ab->num_radios; i++) {
+ pdev = &ab->pdevs[i];
+ ar = pdev->ar;
+ if (ab->pdevs_macaddr_valid) {
+ ether_addr_copy(ar->mac_addr, pdev->mac_addr);
+ } else {
+ ether_addr_copy(ar->mac_addr, ab->mac_addr);
+ ar->mac_addr[4] += i;
+ }
+
+ ret = __ath12k_mac_register(ar);
+ if (ret)
+ goto err_cleanup;
+
+ idr_init(&ar->txmgmt_idr);
+ spin_lock_init(&ar->txmgmt_idr_lock);
+ }
+
+ /* Initialize channel counters frequency value in hertz */
+ ab->cc_freq_hz = 320000;
+ ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1;
+
+ return 0;
+
+err_cleanup:
+ for (i = i - 1; i >= 0; i--) {
+ pdev = &ab->pdevs[i];
+ ar = pdev->ar;
+ __ath12k_mac_unregister(ar);
+ }
+
+ return ret;
+}
+
+int ath12k_mac_allocate(struct ath12k_base *ab)
+{
+ struct ieee80211_hw *hw;
+ struct ath12k *ar;
+ struct ath12k_pdev *pdev;
+ int ret;
+ int i;
+
+ if (test_bit(ATH12K_FLAG_REGISTERED, &ab->dev_flags))
+ return 0;
+
+ for (i = 0; i < ab->num_radios; i++) {
+ pdev = &ab->pdevs[i];
+ hw = ieee80211_alloc_hw(sizeof(struct ath12k), &ath12k_ops);
+ if (!hw) {
+ ath12k_warn(ab, "failed to allocate mac80211 hw device\n");
+ ret = -ENOMEM;
+ goto err_free_mac;
+ }
+
+ ar = hw->priv;
+ ar->hw = hw;
+ ar->ab = ab;
+ ar->pdev = pdev;
+ ar->pdev_idx = i;
+ ar->lmac_id = ath12k_hw_get_mac_from_pdev_id(ab->hw_params, i);
+
+ ar->wmi = &ab->wmi_ab.wmi[i];
+ /* FIXME: wmi[0] is already initialized during attach,
+ * Should we do this again?
+ */
+ ath12k_wmi_pdev_attach(ab, i);
+
+ ar->cfg_tx_chainmask = pdev->cap.tx_chain_mask;
+ ar->cfg_rx_chainmask = pdev->cap.rx_chain_mask;
+ ar->num_tx_chains = get_num_chains(pdev->cap.tx_chain_mask);
+ ar->num_rx_chains = get_num_chains(pdev->cap.rx_chain_mask);
+
+ pdev->ar = ar;
+ spin_lock_init(&ar->data_lock);
+ INIT_LIST_HEAD(&ar->arvifs);
+ INIT_LIST_HEAD(&ar->ppdu_stats_info);
+ mutex_init(&ar->conf_mutex);
+ init_completion(&ar->vdev_setup_done);
+ init_completion(&ar->vdev_delete_done);
+ init_completion(&ar->peer_assoc_done);
+ init_completion(&ar->peer_delete_done);
+ init_completion(&ar->install_key_done);
+ init_completion(&ar->bss_survey_done);
+ init_completion(&ar->scan.started);
+ init_completion(&ar->scan.completed);
+
+ INIT_DELAYED_WORK(&ar->scan.timeout, ath12k_scan_timeout_work);
+ INIT_WORK(&ar->regd_update_work, ath12k_regd_update_work);
+
+ INIT_WORK(&ar->wmi_mgmt_tx_work, ath12k_mgmt_over_wmi_tx_work);
+ skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
+ clear_bit(ATH12K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
+ }
+
+ return 0;
+
+err_free_mac:
+ ath12k_mac_destroy(ab);
+
+ return ret;
+}
+
+void ath12k_mac_destroy(struct ath12k_base *ab)
+{
+ struct ath12k *ar;
+ struct ath12k_pdev *pdev;
+ int i;
+
+ for (i = 0; i < ab->num_radios; i++) {
+ pdev = &ab->pdevs[i];
+ ar = pdev->ar;
+ if (!ar)
+ continue;
+
+ ieee80211_free_hw(ar->hw);
+ pdev->ar = NULL;
+ }
+}