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These chips are tri-radio single-chip solutions with Wi-Fi 6 (1x1, 2.4/5 GHz), Bluetooth 5.4, and IEEE 802.15.4. Communication with the external host is via SDIO interface. The driver is tested on i.MX8M Mini EVK in both STA and AP mode. This driver is not based on mac80211. It derives from mwifiex, but due to significant differences in firmware architecture, host command interface, and supported features, it was not feasible to extend mwifiex without risk of regressions. Thus, a new driver is introduced. Future NXP Wi-Fi chipsets will also be supported under `nxpwifi`. The driver passes checkpatch. WPA2/WPA3 personal/enterprise is currently handled in host via wpa_supplicant/hostapd. v4 adds support for TWT, monitor mode, WPA3 Enterprise Suite-B, and various fixes and improvements. See below for full changelog. Data sheet is available at: https://www.nxp.com/docs/en/data-sheet/IW612.pdf Change history: v7: - Addressed review feedback from v6 - Removed unused variable `ext_rate_info` in `nxpwifi_rxpdinfo_to_radiotapinfo() - Radiotap handling fixes: - Converted fields to `__le16`/`__le64` - Applied `cpu_to_le16()`/`cpu_to_le64()` for endian correctness - Replaced `jiffies` with `ktime_get_ns()/1000` for timestamp - Validated channel frequency conversion and removed redundant code - General cleanup of endian conversions and Sparse warnings - Improved HE capability setup via `_ieee80211_set_sband_iftype_data()` - TWT configuration fixes: - Updated structs to `__le16`/`__le32` - Corrected debugfs write helpers for endian conversions - Removed redundant conversions in `nxpwifi_cmd_twt_cfg()` - Scan handling fixes: - Changed OUI variables to `__be32` - Used `le16_to_cpu()` for `ext_cap->header.len` - Moved element pointer declaration outside `switch` - HW spec parsing fix: - Added `le32_to_cpu()` before `GET_MPDU_DENSITY()` - Cfg80211 handling fix: - Moved `legacy_rates[]` definition outside `switch` block v6: - Removed custom locking (main_locked, main_proc_lock, more_task_flag) - Refactored main process to rely solely on workqueue - SDIO interrupt now only queues main_work; avoids direct call to nxpwifi_main_process() - Introduced atomic iface_changing flag to block main process during interface transitions - Split monolithic main process logic into helper functions for better readability - Improved exit logic to avoid lost-kick scenarios and ensure all pending tasks are processed - Replaced rcu_read_lock()/unlock() pairs with guard(rcu)() for modern kernel style - Code cleanups based on review feedback v5: - Fixed build errors introduced in v4. v4: - Added support for TWT (STA mode) - Added support for Monitor mode - Added support for WPA3 Enterprise Suite-B - Bug fix: In BGN/AN HT40 mode, throughput was 50% lower than expected - Bug fix: In STA 2.4G HE40 mode, throughput was 80% lower than expected - Use wiphy work instead of general workqueue for cfg80211 ops - Introduced RCU protection for ba, rx_reorder, and sta_lists - Used per-TID spinlock for tx_ba / rx_reorder lists to improve concurrency - Replaced mutex_lock with wiphy_lock - Reverted "use tasklet for Rx" (back to workqueue) - Refactored HE capability handling for better clarity and maintainability - Used standard kernel helpers for MAC address handling - Replaced proprietary nxpwifi_ieee80211 with standard ieee80211_mgmt structure - Used u32_get_bits() for VHT capability field access - Replaced LOW_PRIO_TID with TC_PRIO_BESTEFFORT for skb priority - Removed static WPA/RSN OUI table; now derived from cipher suite ID - Removed redundant helper functions: has_vendor_hdr and has_ieee_hdr v3: - Enable 802.11ax (Wi-Fi 6) for both AP and STA mode. - Extend driver verion string with hotfix number. - Remove Rx mlme work. - Remove all useless check of netif_carrier_ok(). - Merge decl.h to cfg.h. - Remove unnecessary check for wiphy parameters setting. - Synchronize following commits from Mwifiex: wifi: mwifiex: replace open-coded module_sdio_driver() wifi: mwifiex: Fix interface type change wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id() wifi: mwifiex: increase max_num_akm_suites wifi: mwifiex: duplicate static structs used in driver instances wifi: mwifiex: keep mwifiex_cfg80211_ops constant wifi: mwifiex: Fix uninitialized variable in mwifiex_cfg80211_authenticate() wifi: mwifiex: remove unnecessary checks for valid priv wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext() wifi: mwifiex: Use IRQF_NO_AUTOEN flag in request_irq() v2: - Rename ioctl.h and sta_ioctl.c to cfg.h and sta_cfg.c. - Remove useless header file semaphore.h. - Use static variable for cookie. - Modify nxpwifi_register to use ERR_PTR, IS_ERR and PTR_ERR. - Use error number for error code. - Remove unnecessary private ie definitions. - Remove mutex async_mutex and related code. - Remove unnecessary work queue. - Add the support for PSK SHA256. - Use tasklet for Rx. - Remove unused functions. - Remove compile warning. Jeff Chen (22): wifi: nxpwifi: Add 802.11n support for client and AP modes wifi: nxpwifi: add initial support for 802.11ac wifi: nxpwifi: add initial support for 802.11ax wifi: nxpwifi: add support for 802.11h (DFS and TPC) wifi: nxpwifi: add support for WMM wifi: nxpwifi: add scan support wifi: nxpwifi: add join and association support wifi: nxpwifi: add channel/frequency/power (cfp) support wifi: nxpwifi: add configuration support wifi: nxpwifi: implement cfg80211 ops for STA and AP modes wifi: nxpwifi: add firmware command and TLV definitions wifi: nxpwifi: introduce command and event handling infrastructure wifi: nxpwifi: add data path support for STA and AP modes wifi: nxpwifi: add debugfs support for diagnostics and testing wifi: nxpwifi: add ethtool support for Wake-on-LAN wifi: nxpwifi: add utility and IE handling support wifi: nxpwifi: add driver initialization and shutdown support wifi: nxpwifi: add core driver implementation wifi: nxpwifi: add initial SDIO bus driver support wifi: nxpwifi: add NXP vendor and IW61x device IDs to sdio_ids.h wifi: nxpwifi: add Kconfig and Makefile for kernel integration wifi: nxpwifi: add MAINTAINERS entry for nxpwifi driver MAINTAINERS | 8 + drivers/net/wireless/Kconfig | 1 + drivers/net/wireless/Makefile | 1 + drivers/net/wireless/nxp/Kconfig | 17 + drivers/net/wireless/nxp/Makefile | 3 + drivers/net/wireless/nxp/nxpwifi/11ac.c | 289 ++ drivers/net/wireless/nxp/nxpwifi/11ac.h | 33 + drivers/net/wireless/nxp/nxpwifi/11ax.c | 596 +++ drivers/net/wireless/nxp/nxpwifi/11ax.h | 77 + drivers/net/wireless/nxp/nxpwifi/11h.c | 346 ++ drivers/net/wireless/nxp/nxpwifi/11n.c | 887 ++++ drivers/net/wireless/nxp/nxpwifi/11n.h | 164 + drivers/net/wireless/nxp/nxpwifi/11n_aggr.c | 275 ++ drivers/net/wireless/nxp/nxpwifi/11n_aggr.h | 21 + .../net/wireless/nxp/nxpwifi/11n_rxreorder.c | 924 ++++ .../net/wireless/nxp/nxpwifi/11n_rxreorder.h | 71 + drivers/net/wireless/nxp/nxpwifi/Kconfig | 22 + drivers/net/wireless/nxp/nxpwifi/Makefile | 39 + drivers/net/wireless/nxp/nxpwifi/cfg.h | 984 ++++ drivers/net/wireless/nxp/nxpwifi/cfg80211.c | 4049 +++++++++++++++++ drivers/net/wireless/nxp/nxpwifi/cfg80211.h | 19 + drivers/net/wireless/nxp/nxpwifi/cfp.c | 475 ++ drivers/net/wireless/nxp/nxpwifi/cmdevt.c | 1283 ++++++ drivers/net/wireless/nxp/nxpwifi/cmdevt.h | 98 + drivers/net/wireless/nxp/nxpwifi/debugfs.c | 1221 +++++ drivers/net/wireless/nxp/nxpwifi/ethtool.c | 58 + drivers/net/wireless/nxp/nxpwifi/fw.h | 2400 ++++++++++ drivers/net/wireless/nxp/nxpwifi/ie.c | 500 ++ drivers/net/wireless/nxp/nxpwifi/init.c | 680 +++ drivers/net/wireless/nxp/nxpwifi/join.c | 910 ++++ drivers/net/wireless/nxp/nxpwifi/main.c | 1834 ++++++++ drivers/net/wireless/nxp/nxpwifi/main.h | 1836 ++++++++ drivers/net/wireless/nxp/nxpwifi/scan.c | 2859 ++++++++++++ drivers/net/wireless/nxp/nxpwifi/sdio.c | 2649 +++++++++++ drivers/net/wireless/nxp/nxpwifi/sdio.h | 340 ++ drivers/net/wireless/nxp/nxpwifi/sta_cfg.c | 1319 ++++++ drivers/net/wireless/nxp/nxpwifi/sta_cmd.c | 3449 ++++++++++++++ drivers/net/wireless/nxp/nxpwifi/sta_event.c | 868 ++++ drivers/net/wireless/nxp/nxpwifi/sta_rx.c | 250 + drivers/net/wireless/nxp/nxpwifi/sta_tx.c | 208 + drivers/net/wireless/nxp/nxpwifi/txrx.c | 358 ++ drivers/net/wireless/nxp/nxpwifi/uap_cmd.c | 1234 +++++ drivers/net/wireless/nxp/nxpwifi/uap_event.c | 490 ++ drivers/net/wireless/nxp/nxpwifi/uap_txrx.c | 506 ++ drivers/net/wireless/nxp/nxpwifi/util.c | 1570 +++++++ drivers/net/wireless/nxp/nxpwifi/util.h | 132 + drivers/net/wireless/nxp/nxpwifi/wmm.c | 1379 ++++++ drivers/net/wireless/nxp/nxpwifi/wmm.h | 78 + include/linux/mmc/sdio_ids.h | 3 + 49 files changed, 37813 insertions(+) create mode 100644 drivers/net/wireless/nxp/Kconfig create mode 100644 drivers/net/wireless/nxp/Makefile create mode 100644 drivers/net/wireless/nxp/nxpwifi/11ac.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/11ac.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/11ax.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/11ax.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/11h.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/11n.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/11n.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/11n_aggr.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/11n_aggr.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/Kconfig create mode 100644 drivers/net/wireless/nxp/nxpwifi/Makefile create mode 100644 drivers/net/wireless/nxp/nxpwifi/cfg.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/cfg80211.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/cfg80211.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/cfp.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/cmdevt.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/cmdevt.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/debugfs.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/ethtool.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/fw.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/ie.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/init.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/join.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/main.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/main.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/scan.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/sdio.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/sdio.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/sta_cfg.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/sta_cmd.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/sta_event.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/sta_rx.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/sta_tx.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/txrx.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/uap_cmd.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/uap_event.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/uap_txrx.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/util.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/util.h create mode 100644 drivers/net/wireless/nxp/nxpwifi/wmm.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/wmm.h -- 2.34.1