From: Arend van Spriel <arend@broadcom.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
Arend van Spriel <arend@broadcom.com>
Subject: [RFC V2 3/3] brcmfmac: add support for nl80211 BSS_SELECT feature
Date: Wed, 13 Jan 2016 10:49:43 +0100 [thread overview]
Message-ID: <1452678583-20086-4-git-send-email-arend@broadcom.com> (raw)
In-Reply-To: <1452678583-20086-1-git-send-email-arend@broadcom.com>
Announce support for extended nl80211 feature BSS_SELECT and
process BSS selection criteria provided in .connect() callback.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Lei Zhang <leizh@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
---
drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c | 63 ++++++++++++++++++++++
drivers/net/wireless/brcm80211/brcmfmac/common.c | 38 +++++++------
drivers/net/wireless/brcm80211/brcmfmac/core.h | 1 +
3 files changed, 87 insertions(+), 15 deletions(-)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
index deb5f78..a339e41 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
@@ -237,6 +237,20 @@ module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
+static u8 nl80211_band_to_fwil(enum nl80211_band band)
+{
+ switch (band) {
+ case NL80211_BAND_2GHZ:
+ return WLC_BAND_2G;
+ case NL80211_BAND_5GHZ:
+ return WLC_BAND_5G;
+ default:
+ WARN_ON(1);
+ break;
+ }
+ return 0;
+}
+
static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
struct cfg80211_chan_def *ch)
{
@@ -1722,6 +1736,48 @@ enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
return type;
}
+static void brcmf_set_join_pref(struct brcmf_if *ifp,
+ struct cfg80211_bss_selection *bss_select)
+{
+ struct brcmf_join_pref_params join_pref_params[2];
+ enum nl80211_band band;
+ int err, i = 0;
+
+ if (!bss_select->primitive) {
+ brcmf_c_set_joinpref_default(ifp);
+ return;
+ }
+
+ join_pref_params[i].len = 2;
+ join_pref_params[i].rssi_gain = 0;
+ switch (bss_select->primitive) {
+ case NL80211_BSS_SELECT_BAND_PREF:
+ join_pref_params[i].type = BRCMF_JOIN_PREF_BAND;
+ band = bss_select->param.band_pref;
+ join_pref_params[i].band = nl80211_band_to_fwil(band);
+ i++;
+ break;
+ case NL80211_BSS_SELECT_ADJUST_RSSI:
+ join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI_DELTA;
+ band = bss_select->param.adjust.band;
+ join_pref_params[i].band = nl80211_band_to_fwil(band);
+ join_pref_params[i].rssi_gain = bss_select->param.adjust.delta;
+ i++;
+ break;
+ case NL80211_BSS_SELECT_RSSI:
+ default:
+ break;
+ }
+ join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI;
+ join_pref_params[i].len = 2;
+ join_pref_params[i].rssi_gain = 0;
+ join_pref_params[i].band = 0;
+ err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
+ sizeof(join_pref_params));
+ if (err)
+ brcmf_err("Set join_pref error (%d)\n", err);
+}
+
static s32
brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_connect_params *sme)
@@ -1858,6 +1914,8 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
else
eth_broadcast_addr(ext_join_params->assoc_le.bssid);
+ brcmf_set_join_pref(ifp, &sme->bss_select);
+
if (cfg->channel) {
ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
@@ -5920,6 +5978,11 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wiphy->cipher_suites = __wl_cipher_suites;
wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_SELECT);
+ wiphy->bss_select_support = BIT(NL80211_BSS_SELECT_RSSI) |
+ BIT(NL80211_BSS_SELECT_BAND_PREF) |
+ BIT(NL80211_BSS_SELECT_ADJUST_RSSI);
+
wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
WIPHY_FLAG_OFFCHAN_TX |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/common.c b/drivers/net/wireless/brcm80211/brcmfmac/common.c
index fe54844..7c40979 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/common.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/common.c
@@ -33,14 +33,34 @@ const u8 ALLFFMAC[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40
#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40
-/* boost value for RSSI_DELTA in preferred join selection */
+/* default boost value for RSSI_DELTA in preferred join selection */
#define BRCMF_JOIN_PREF_RSSI_BOOST 8
+void brcmf_c_set_joinpref_default(struct brcmf_if *ifp)
+{
+ struct brcmf_join_pref_params join_pref_params[2];
+ int err;
+
+ /* Setup join_pref to select target by RSSI (boost on 5GHz) */
+ join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA;
+ join_pref_params[0].len = 2;
+ join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST;
+ join_pref_params[0].band = WLC_BAND_5G;
+
+ join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI;
+ join_pref_params[1].len = 2;
+ join_pref_params[1].rssi_gain = 0;
+ join_pref_params[1].band = 0;
+ err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
+ sizeof(join_pref_params));
+ if (err)
+ brcmf_err("Set join_pref error (%d)\n", err);
+}
+
int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
{
s8 eventmask[BRCMF_EVENTING_MASK_LEN];
u8 buf[BRCMF_DCMD_SMLEN];
- struct brcmf_join_pref_params join_pref_params[2];
struct brcmf_rev_info_le revinfo;
struct brcmf_rev_info *ri;
char *ptr;
@@ -127,19 +147,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
goto done;
}
- /* Setup join_pref to select target by RSSI(with boost on 5GHz) */
- join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA;
- join_pref_params[0].len = 2;
- join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST;
- join_pref_params[0].band = WLC_BAND_5G;
- join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI;
- join_pref_params[1].len = 2;
- join_pref_params[1].rssi_gain = 0;
- join_pref_params[1].band = 0;
- err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
- sizeof(join_pref_params));
- if (err)
- brcmf_err("Set join_pref error (%d)\n", err);
+ brcmf_c_set_joinpref_default(ifp);
/* Setup event_msgs, enable E_IF */
err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.h b/drivers/net/wireless/brcm80211/brcmfmac/core.h
index 2f9101b..f8b4925 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/core.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/core.h
@@ -217,5 +217,6 @@ void brcmf_txflowblock_if(struct brcmf_if *ifp,
void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);
void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb);
void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on);
+void brcmf_c_set_joinpref_default(struct brcmf_if *ifp);
#endif /* BRCMFMAC_CORE_H */
--
1.9.1
next prev parent reply other threads:[~2016-01-13 9:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-13 9:49 [RFC V2 0/3] nl80211: allow configuration of BSS selection Arend van Spriel
2016-01-13 9:49 ` [RFC V2 1/3] nl80211: add extended feature for BSS selection support Arend van Spriel
2016-01-14 11:00 ` Johannes Berg
2016-01-13 9:49 ` [RFC V2 2/3] nl80211: add bss selection attribute to CONNECT command Arend van Spriel
2016-01-14 11:10 ` Johannes Berg
2016-01-14 11:12 ` Johannes Berg
2016-01-18 9:34 ` Arend van Spriel
2016-01-19 13:20 ` Johannes Berg
2016-01-19 22:33 ` Arend van Spriel
2016-01-20 9:30 ` Johannes Berg
2016-01-20 14:02 ` Johannes Berg
2016-01-20 21:53 ` Arend van Spriel
2016-01-21 6:57 ` Peer, Ilan
2016-01-13 9:49 ` Arend van Spriel [this message]
2016-01-14 9:15 ` [RFC V2 0/3] nl80211: allow configuration of BSS selection Arend van Spriel
2016-01-14 9:20 ` Johannes Berg
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