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[68.111.223.48]) by smtp.gmail.com with ESMTPSA id kh2sm20274686pad.9.2016.04.18.22.01.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 18 Apr 2016 22:01:14 -0700 (PDT) From: Bjorn Andersson To: Eugene Krasnikov , Kalle Valo Cc: Pontus Fuchs , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 14/18] wcn36xx: Implement multicast filtering Date: Mon, 18 Apr 2016 22:00:52 -0700 Message-Id: <1461042056-10607-15-git-send-email-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1461042056-10607-1-git-send-email-bjorn.andersson@linaro.org> References: <1461042056-10607-1-git-send-email-bjorn.andersson@linaro.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-7.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Pontus Fuchs Pass the multicast list to FW. This patch also adds a way to build the smd command in place. This is needed because the MC list command is too big for the stack. Signed-off-by: Pontus Fuchs [bjorn: dropped FIF_PROMISC_IN_BSS usage] Signed-off-by: Bjorn Andersson --- drivers/net/wireless/ath/wcn36xx/hal.h | 6 ++-- drivers/net/wireless/ath/wcn36xx/main.c | 50 ++++++++++++++++++++++++++++++-- drivers/net/wireless/ath/wcn36xx/smd.c | 51 +++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/wcn36xx/smd.h | 3 ++ 4 files changed, 104 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h index 433d9801a0ae..ec64c47f918b 100644 --- a/drivers/net/wireless/ath/wcn36xx/hal.h +++ b/drivers/net/wireless/ath/wcn36xx/hal.h @@ -4267,9 +4267,9 @@ struct wcn36xx_hal_rcv_flt_mc_addr_list_type { u8 data_offset; u32 mc_addr_count; - u8 mc_addr[ETH_ALEN][WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS]; + u8 mc_addr[WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS][ETH_ALEN]; u8 bss_index; -}; +} __packed; struct wcn36xx_hal_set_pkt_filter_rsp_msg { struct wcn36xx_hal_msg_header header; @@ -4323,7 +4323,7 @@ struct wcn36xx_hal_rcv_flt_pkt_clear_rsp_msg { struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg { struct wcn36xx_hal_msg_header header; struct wcn36xx_hal_rcv_flt_mc_addr_list_type mc_addr_list; -}; +} __packed; struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_rsp_msg { struct wcn36xx_hal_msg_header header; diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index 253cece1b660..c0ba7b0775b3 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -287,6 +287,7 @@ static int wcn36xx_start(struct ieee80211_hw *hw) } wcn36xx_detect_chip_version(wcn); + wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_ENABLE_MC_ADDR_LIST, 1); /* DMA channel initialization */ ret = wcn36xx_dxe_init(wcn); @@ -354,15 +355,57 @@ static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) return 0; } -#define WCN36XX_SUPPORTED_FILTERS (0) - static void wcn36xx_configure_filter(struct ieee80211_hw *hw, unsigned int changed, unsigned int *total, u64 multicast) { + struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; + struct wcn36xx *wcn = hw->priv; + struct wcn36xx_vif *tmp; + struct ieee80211_vif *vif = NULL; + wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n"); - *total &= WCN36XX_SUPPORTED_FILTERS; + *total &= FIF_ALLMULTI; + + fp = (void *)(unsigned long)multicast; + list_for_each_entry(tmp, &wcn->vif_list, list) { + vif = wcn36xx_priv_to_vif(tmp); + + /* FW handles MC filtering only when connected as STA */ + if (*total & FIF_ALLMULTI) + wcn36xx_smd_set_mc_list(wcn, vif, NULL); + else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc) + wcn36xx_smd_set_mc_list(wcn, vif, fp); + } + kfree(fp); +} + +static u64 wcn36xx_prepare_multicast(struct ieee80211_hw *hw, + struct netdev_hw_addr_list *mc_list) +{ + struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; + struct netdev_hw_addr *ha; + + wcn36xx_dbg(WCN36XX_DBG_MAC, "mac prepare multicast list\n"); + fp = kzalloc(sizeof(*fp), GFP_ATOMIC); + if (!fp) { + wcn36xx_err("Out of memory setting filters.\n"); + return 0; + } + + fp->mc_addr_count = 0; + /* update multicast filtering parameters */ + if (netdev_hw_addr_list_count(mc_list) <= + WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS) { + netdev_hw_addr_list_for_each(ha, mc_list) { + memcpy(fp->mc_addr[fp->mc_addr_count], + ha->addr, ETH_ALEN); + fp->mc_addr_count++; + } + } + + return (u64)(unsigned long)fp; } static void wcn36xx_tx(struct ieee80211_hw *hw, @@ -920,6 +963,7 @@ static const struct ieee80211_ops wcn36xx_ops = { .resume = wcn36xx_resume, #endif .config = wcn36xx_config, + .prepare_multicast = wcn36xx_prepare_multicast, .configure_filter = wcn36xx_configure_filter, .tx = wcn36xx_tx, .set_key = wcn36xx_set_key, diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index e0d5631657c1..b1bdc229e560 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -271,6 +271,16 @@ out: return ret; } +static void init_hal_msg(struct wcn36xx_hal_msg_header *hdr, + enum wcn36xx_hal_host_msg_type msg_type, + size_t msg_size) +{ + memset(hdr, 0, msg_size + sizeof(*hdr)); + hdr->msg_type = msg_type; + hdr->msg_version = WCN36XX_HAL_MSG_VERSION0; + hdr->len = msg_size + sizeof(*hdr); +} + #define INIT_HAL_MSG(msg_body, type) \ do { \ memset(&msg_body, 0, sizeof(msg_body)); \ @@ -2144,6 +2154,46 @@ out: mutex_unlock(&wcn->hal_mutex); return ret; } + +int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn, + struct ieee80211_vif *vif, + struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp) +{ + struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); + struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg *msg_body = NULL; + int ret = 0; + + mutex_lock(&wcn->hal_mutex); + + msg_body = (struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg *) + wcn->hal_buf; + init_hal_msg(&msg_body->header, WCN36XX_HAL_8023_MULTICAST_LIST_REQ, + sizeof(msg_body->mc_addr_list)); + + /* An empty list means all mc traffic will be received */ + if (fp) + memcpy(&msg_body->mc_addr_list, fp, + sizeof(msg_body->mc_addr_list)); + else + msg_body->mc_addr_list.mc_addr_count = 0; + + msg_body->mc_addr_list.bss_index = vif_priv->bss_index; + + ret = wcn36xx_smd_send_and_wait(wcn, msg_body->header.len); + if (ret) { + wcn36xx_err("Sending HAL_8023_MULTICAST_LIST failed\n"); + goto out; + } + ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len); + if (ret) { + wcn36xx_err("HAL_8023_MULTICAST_LIST rsp failed err=%d\n", ret); + goto out; + } +out: + mutex_unlock(&wcn->hal_mutex); + return ret; +} + static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len) { struct wcn36xx_hal_msg_header *msg_header = buf; @@ -2185,6 +2235,7 @@ static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len) case WCN36XX_HAL_UPDATE_SCAN_PARAM_RSP: case WCN36XX_HAL_CH_SWITCH_RSP: case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP: + case WCN36XX_HAL_8023_MULTICAST_LIST_RSP: memcpy(wcn->hal_buf, buf, len); wcn->hal_rsp_len = len; complete(&wcn->hal_rsp_compl); diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h index 8361f9e3995b..c1b76d75cf85 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.h +++ b/drivers/net/wireless/ath/wcn36xx/smd.h @@ -136,4 +136,7 @@ int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index); int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index); int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value); +int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn, + struct ieee80211_vif *vif, + struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp); #endif /* _SMD_H_ */