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Fri, 8 Nov 2019 09:10:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1573204234; bh=mgyUa1BQ1I112MUk1W6v9fGeNinyOhAqnv64ZSaQgbA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=VKqNMBPUbkQgswRErm0rdsNcmdx3nWy4mv268WCjRp7hSGgjoqHlLXgWrVygMYJWD iy85sk+O9nA2UoMqWDbLKIHuCGjDqQlkC2k1WkVriw0DH+zhfnM5T6gS2hiKhsL2zj PykKqxhNx8gzsxXt5I2iBqg/lCmXnjkyt19r0BrE= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C08A3602BA Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=vthiagar@codeaurora.org From: Vasanthakumar Thiagarajan To: ath11k@lists.infradead.org Subject: [PATCH 2/2] ath11k: Setup REO destination ring before sending wmi_init command Date: Fri, 8 Nov 2019 14:40:14 +0530 Message-Id: <1573204214-17336-2-git-send-email-vthiagar@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1573204214-17336-1-git-send-email-vthiagar@codeaurora.org> References: <1573204214-17336-1-git-send-email-vthiagar@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191108_011035_828797_18BA29A3 X-CRM114-Status: GOOD ( 14.23 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.145.29.96 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org Firmware expects all the required REO destination rings setup while processing wmi_init command. Not doing this causes connected stations getting disconnected and not able to connect back. Signed-off-by: Vasanthakumar Thiagarajan --- drivers/net/wireless/ath/ath11k/core.c | 19 +++++++++++-- drivers/net/wireless/ath/ath11k/dp.c | 10 +++++-- drivers/net/wireless/ath/ath11k/dp.h | 1 + drivers/net/wireless/ath/ath11k/dp_rx.c | 49 +++++++++++++++++++++++++++------ drivers/net/wireless/ath/ath11k/dp_rx.h | 2 ++ 5 files changed, 67 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index da25f1d..27846ed 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -10,6 +10,7 @@ #include "ahb.h" #include "core.h" #include "dp_tx.h" +#include "dp_rx.h" #include "debug.h" unsigned int ath11k_debug_mask; @@ -325,6 +326,7 @@ static void ath11k_core_stop(struct ath11k_base *ab) ath11k_qmi_firmware_stop(ab); ath11k_ahb_stop(ab); ath11k_wmi_detach(ab); + ath11k_dp_pdev_reo_cleanup(ab); /* De-Init of components as needed */ } @@ -476,28 +478,38 @@ static int ath11k_core_start(struct ath11k_base *ab, goto err_hif_stop; } + ath11k_dp_pdev_pre_alloc(ab); + + ret = ath11k_dp_pdev_reo_setup(ab); + if (ret) { + ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret); + goto err_mac_destroy; + } + ret = ath11k_wmi_cmd_init(ab); if (ret) { ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret); - goto err_mac_destroy; + goto err_reo_cleanup; } ret = ath11k_wmi_wait_for_unified_ready(ab); if (ret) { ath11k_err(ab, "failed to receive wmi unified ready event: %d\n", ret); - goto err_mac_destroy; + goto err_reo_cleanup; } ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab); if (ret) { ath11k_err(ab, "failed to send htt version request message: %d\n", ret); - goto err_mac_destroy; + goto err_reo_cleanup; } return 0; +err_reo_cleanup: + ath11k_dp_pdev_reo_cleanup(ab); err_mac_destroy: ath11k_mac_destroy(ab); err_hif_stop: @@ -560,6 +572,7 @@ static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) ath11k_dp_pdev_free(ab); ath11k_ahb_stop(ab); ath11k_wmi_detach(ab); + ath11k_dp_pdev_reo_cleanup(ab); mutex_unlock(&ab->core_lock); ath11k_dp_free(ab); diff --git a/drivers/net/wireless/ath/ath11k/dp.c b/drivers/net/wireless/ath/ath11k/dp.c index 72c21cf..b966a16 100644 --- a/drivers/net/wireless/ath/ath11k/dp.c +++ b/drivers/net/wireless/ath/ath11k/dp.c @@ -684,11 +684,10 @@ void ath11k_dp_pdev_free(struct ath11k_base *ab) } } -int ath11k_dp_pdev_alloc(struct ath11k_base *ab) +void ath11k_dp_pdev_pre_alloc(struct ath11k_base *ab) { struct ath11k *ar; struct ath11k_pdev_dp *dp; - int ret; int i; for (i = 0; i < ab->num_radios; i++) { @@ -704,6 +703,13 @@ int ath11k_dp_pdev_alloc(struct ath11k_base *ab) idr_init(&dp->rxdma_mon_buf_ring.bufs_idr); spin_lock_init(&dp->rxdma_mon_buf_ring.idr_lock); } +} + +int ath11k_dp_pdev_alloc(struct ath11k_base *ab) +{ + struct ath11k *ar; + int ret; + int i; /* TODO:Per-pdev rx ring unlike tx ring which is mapped to different AC's */ for (i = 0; i < ab->num_radios; i++) { diff --git a/drivers/net/wireless/ath/ath11k/dp.h b/drivers/net/wireless/ath/ath11k/dp.h index db216f0..2b935df 100644 --- a/drivers/net/wireless/ath/ath11k/dp.h +++ b/drivers/net/wireless/ath/ath11k/dp.h @@ -1505,6 +1505,7 @@ void ath11k_dp_vdev_tx_attach(struct ath11k *ar, struct ath11k_vif *arvif); void ath11k_dp_free(struct ath11k_base *ab); int ath11k_dp_alloc(struct ath11k_base *ab); int ath11k_dp_pdev_alloc(struct ath11k_base *ab); +void ath11k_dp_pdev_pre_alloc(struct ath11k_base *ab); void ath11k_dp_pdev_free(struct ath11k_base *ab); int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id, int mac_id, enum hal_ring_type ring_type); diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index f87bd32..49b3347 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -395,12 +395,51 @@ static void ath11k_dp_rx_pdev_srng_free(struct ath11k *ar) struct ath11k_pdev_dp *dp = &ar->dp; ath11k_dp_srng_cleanup(ar->ab, &dp->rx_refill_buf_ring.refill_buf_ring); - ath11k_dp_srng_cleanup(ar->ab, &dp->reo_dst_ring); ath11k_dp_srng_cleanup(ar->ab, &dp->rxdma_err_dst_ring); ath11k_dp_srng_cleanup(ar->ab, &dp->rx_mon_status_refill_ring.refill_buf_ring); ath11k_dp_srng_cleanup(ar->ab, &dp->rxdma_mon_buf_ring.refill_buf_ring); } +void ath11k_dp_pdev_reo_cleanup(struct ath11k_base *ab) +{ + struct ath11k_pdev_dp *dp; + struct ath11k *ar; + int i; + + for (i = 0; i < ab->num_radios; i++) { + ar = ab->pdevs[i].ar; + dp = &ar->dp; + ath11k_dp_srng_cleanup(ab, &dp->reo_dst_ring); + } +} + +int ath11k_dp_pdev_reo_setup(struct ath11k_base *ab) +{ + struct ath11k *ar; + struct ath11k_pdev_dp *dp; + int ret; + int i; + + for (i = 0; i < ab->num_radios; i++) { + ar = ab->pdevs[i].ar; + dp = &ar->dp; + ret = ath11k_dp_srng_setup(ab, &dp->reo_dst_ring, HAL_REO_DST, + dp->mac_id, dp->mac_id, + DP_REO_DST_RING_SIZE); + if (ret) { + ath11k_warn(ar->ab, "failed to setup reo_dst_ring\n"); + goto err_reo_cleanup; + } + } + + return 0; + +err_reo_cleanup: + ath11k_dp_pdev_reo_cleanup(ab); + + return ret; +} + static int ath11k_dp_rx_pdev_srng_alloc(struct ath11k *ar) { struct ath11k_pdev_dp *dp = &ar->dp; @@ -416,14 +455,6 @@ static int ath11k_dp_rx_pdev_srng_alloc(struct ath11k *ar) return ret; } - ret = ath11k_dp_srng_setup(ar->ab, &dp->reo_dst_ring, HAL_REO_DST, - dp->mac_id, dp->mac_id, - DP_REO_DST_RING_SIZE); - if (ret) { - ath11k_warn(ar->ab, "failed to setup reo_dst_ring\n"); - return ret; - } - ret = ath11k_dp_srng_setup(ar->ab, &dp->rxdma_err_dst_ring, HAL_RXDMA_DST, 0, dp->mac_id, DP_RXDMA_ERR_DST_RING_SIZE); diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.h b/drivers/net/wireless/ath/ath11k/dp_rx.h index 026820f..eec5dea 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.h +++ b/drivers/net/wireless/ath/ath11k/dp_rx.h @@ -48,6 +48,8 @@ int ath11k_peer_rx_tid_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id, u8 tid, u32 ba_win_sz, u16 ssn); void ath11k_dp_htt_htc_t2h_msg_handler(struct ath11k_base *ab, struct sk_buff *skb); +int ath11k_dp_pdev_reo_setup(struct ath11k_base *ab); +void ath11k_dp_pdev_reo_cleanup(struct ath11k_base *ab); int ath11k_dp_rx_pdev_alloc(struct ath11k_base *ab, int pdev_idx); void ath11k_dp_rx_pdev_free(struct ath11k_base *ab, int pdev_idx); void ath11k_dp_reo_cmd_list_cleanup(struct ath11k_base *ab);