Return-path: Received: from sabertooth02.qualcomm.com ([65.197.215.38]:39065 "EHLO sabertooth02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753720AbbFPFzm (ORCPT ); Tue, 16 Jun 2015 01:55:42 -0400 From: Raja Mani To: CC: , Raja Mani Subject: [PATCH 7/8] ath10k: set max spatial stream to 4 for 10.4 fw Date: Tue, 16 Jun 2015 11:23:14 +0530 Message-ID: <1434433995-8451-8-git-send-email-rmani@qti.qualcomm.com> (sfid-20150616_075545_268255_3699F30B) In-Reply-To: <1434433995-8451-1-git-send-email-rmani@qti.qualcomm.com> References: <1434433995-8451-1-git-send-email-rmani@qti.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: 10.4 fw supports upto 4 spatial stream. Limit max spatial stream to 4 for 10.4 firmware and to 3 for non 10.4 firmware. Signed-off-by: Raja Mani --- drivers/net/wireless/ath/ath10k/core.c | 4 ++++ drivers/net/wireless/ath/ath10k/core.h | 1 + drivers/net/wireless/ath/ath10k/wmi.c | 6 +++--- drivers/net/wireless/ath/ath10k/wmi.h | 3 ++- 4 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 23e855c..e9f2bf9f 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -1292,6 +1292,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC; ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV | WMI_STAT_PEER; + ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM; break; case ATH10K_FW_WMI_OP_VERSION_10_1: case ATH10K_FW_WMI_OP_VERSION_10_2: @@ -1301,6 +1302,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) ar->max_num_vdevs = TARGET_10X_NUM_VDEVS; ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC; ar->fw_stats_req_mask = WMI_STAT_PEER; + ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM; break; case ATH10K_FW_WMI_OP_VERSION_TLV: ar->max_num_peers = TARGET_TLV_NUM_PEERS; @@ -1311,6 +1313,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS; ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV | WMI_STAT_PEER; + ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM; break; case ATH10K_FW_WMI_OP_VERSION_10_4: ar->max_num_peers = TARGET_10_4_NUM_PEERS; @@ -1320,6 +1323,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) ar->num_tids = TARGET_10_4_TGT_NUM_TIDS; ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC; ar->fw_stats_req_mask = WMI_STAT_PEER; + ar->max_spatial_stream = WMI_10_4_MAX_SPATIAL_STREAM; break; case ATH10K_FW_WMI_OP_VERSION_UNSET: case ATH10K_FW_WMI_OP_VERSION_MAX: diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 7721548..8647ca3 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -578,6 +578,7 @@ struct ath10k { u32 ht_cap_info; u32 vht_cap_info; u32 num_rf_chains; + u32 max_spatial_stream; /* protected by conf_mutex */ bool ani_enabled; diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 00201eb..2f81ff2 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -3818,10 +3818,10 @@ void ath10k_wmi_event_service_ready(struct ath10k *ar, struct sk_buff *skb) if (ar->fw_api == 1 && ar->fw_version_build > 636) set_bit(ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX, ar->fw_features); - if (ar->num_rf_chains > WMI_MAX_SPATIAL_STREAM) { + if (ar->num_rf_chains > ar->max_spatial_stream) { ath10k_warn(ar, "hardware advertises support for more spatial streams than it should (%d > %d)\n", - ar->num_rf_chains, WMI_MAX_SPATIAL_STREAM); - ar->num_rf_chains = WMI_MAX_SPATIAL_STREAM; + ar->num_rf_chains, ar->max_spatial_stream); + ar->num_rf_chains = ar->max_spatial_stream; } ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1; diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 90c872c..aa9b313 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -1702,7 +1702,8 @@ enum wmi_channel_change_cause { /* Indicate reason for channel switch */ #define WMI_CHANNEL_CHANGE_CAUSE_CSA (1 << 13) -#define WMI_MAX_SPATIAL_STREAM 3 +#define WMI_MAX_SPATIAL_STREAM 3 /* default max ss */ +#define WMI_10_4_MAX_SPATIAL_STREAM 4 /* HT Capabilities*/ #define WMI_HT_CAP_ENABLED 0x0001 /* HT Enabled/ disabled */ -- 1.8.1.2