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Fri, 25 Apr 2025 01:55:29 -0700 (PDT) Received: from bld-bun-02.bun.broadcom.net ([192.19.176.227]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22db5221943sm26988875ad.249.2025.04.25.01.55.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 01:55:28 -0700 (PDT) From: Arend van Spriel To: Johannes Berg Cc: linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, Arend van Spriel , James Prestwood Subject: [PATCH wireless-next v3 1/4] wifi: brcmfmac: support per-vendor cfg80211 callbacks and firmware events Date: Fri, 25 Apr 2025 10:55:16 +0200 Message-ID: <20250425085519.492267-2-arend.vanspriel@broadcom.com> X-Mailer: git-send-email 2.43.4 In-Reply-To: <20250425085519.492267-1-arend.vanspriel@broadcom.com> References: <20250425085519.492267-1-arend.vanspriel@broadcom.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Adding two vendor operations that can be used to provide per-vendor cfg80211 callbacks and per-vendor handlers for firmware events. These two are often related to handling interactions from user-space through nl80211. Exporting brcmf_fweh_register() for registering the per-vendor event handler callbacks. Some other exports for get event name string and allowing use of brcmf_dbg() in per-vendor module. Tested-by: James Prestwood Signed-off-by: Arend van Spriel --- .../broadcom/brcm80211/brcmfmac/cfg80211.c | 2 ++ .../broadcom/brcm80211/brcmfmac/common.c | 1 + .../broadcom/brcm80211/brcmfmac/core.c | 2 ++ .../broadcom/brcm80211/brcmfmac/fweh.c | 2 ++ .../broadcom/brcm80211/brcmfmac/fwvid.h | 18 ++++++++++++++++++ 5 files changed, 25 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 4b70845e1a26..b9381154d124 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -6760,6 +6760,8 @@ static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) brcmf_fweh_register(cfg->pub, BRCMF_E_PSK_SUP, brcmf_notify_connect_status); brcmf_fweh_register(cfg->pub, BRCMF_E_RSSI, brcmf_notify_rssi); + + brcmf_fwvid_register_event_handlers(cfg->pub); } static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index f26e4679e4ff..75f101622db1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -491,6 +491,7 @@ void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...) trace_brcmf_dbg(level, func, &vaf); va_end(args); } +BRCMF_EXPORT_SYMBOL_GPL(__brcmf_dbg); #endif static void brcmf_mp_attach(void) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index 3d63010ae079..04f41c09deca 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -1363,6 +1363,8 @@ int brcmf_attach(struct device *dev) brcmf_fweh_register(drvr, BRCMF_E_PSM_WATCHDOG, brcmf_psm_watchdog_notify); + brcmf_fwvid_get_cfg80211_ops(drvr); + ret = brcmf_bus_started(drvr, drvr->ops); if (ret != 0) { bphy_err(drvr, "dongle is not responding: err=%d\n", ret); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c index f0b6a7607f16..4f76e812a860 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c @@ -75,6 +75,7 @@ const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code) return "nodebug"; } #endif +BRCMF_EXPORT_SYMBOL_GPL(brcmf_fweh_event_name); /** * brcmf_fweh_queue_event() - create and queue event. @@ -405,6 +406,7 @@ int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, brcmf_fweh_event_name(code)); return 0; } +BRCMF_EXPORT_SYMBOL_GPL(brcmf_fweh_register); /** * brcmf_fweh_unregister() - remove handler for given code. diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h index e6ac9fc341bc..7fe78d41f291 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h @@ -15,6 +15,8 @@ struct brcmf_fwvid_ops { void (*feat_attach)(struct brcmf_if *ifp); int (*set_sae_password)(struct brcmf_if *ifp, struct cfg80211_crypto_settings *crypto); int (*alloc_fweh_info)(struct brcmf_pub *drvr); + void (*get_cfg80211_ops)(struct brcmf_pub *drvr); + void (*register_event_handlers)(struct brcmf_pub *drvr); }; /* exported functions */ @@ -56,4 +58,20 @@ static inline int brcmf_fwvid_alloc_fweh_info(struct brcmf_pub *drvr) return drvr->vops->alloc_fweh_info(drvr); } +static inline void brcmf_fwvid_get_cfg80211_ops(struct brcmf_pub *drvr) +{ + if (!drvr->vops || !drvr->vops->get_cfg80211_ops) + return; + + drvr->vops->get_cfg80211_ops(drvr); +} + +static inline void brcmf_fwvid_register_event_handlers(struct brcmf_pub *drvr) +{ + if (!drvr->vops || !drvr->vops->register_event_handlers) + return; + + drvr->vops->register_event_handlers(drvr); +} + #endif /* FWVID_H_ */