From patchwork Fri Sep 18 07:58:47 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 7213691 Return-Path: X-Original-To: patchwork-ath10k@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D2F5BBEEC1 for ; Fri, 18 Sep 2015 07:59:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F41E6207C1 for ; Fri, 18 Sep 2015 07:59:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 272A7207AD for ; Fri, 18 Sep 2015 07:59:24 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcqZk-0002fI-E7; Fri, 18 Sep 2015 07:59:20 +0000 Received: from wolverine01.qualcomm.com ([199.106.114.254]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcqZg-0002He-AB for ath10k@lists.infradead.org; Fri, 18 Sep 2015 07:59:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qca.qualcomm.com; i=@qca.qualcomm.com; q=dns/txt; s=qcdkim; t=1442563156; x=1474099156; h=subject:to:from:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=YusaG28WE3K9t1t/+n/zrlf0YJ+v8eXF5uK8/gXaARo=; b=lCr3MnET8TT2DB5VeJ1YKdxySBRxkYPx53ezsLcMu4B/QShBSmdEjhev Qb1V1H0P5PBB0428zDWYnx3yh9nVib4V51RWBhA3m433/EMviuc+8PBtj YYq1LsyyNMMpMYC8aodDt+h6ULhkookzvWohs0R3efBCUnthgSCZkYhmq 8=; X-IronPort-AV: E=McAfee;i="5700,7163,7927"; a="139296762" Received: from ironmsg06-lv.qualcomm.com ([10.47.202.185]) by wolverine01.qualcomm.com with ESMTP; 18 Sep 2015 00:58:55 -0700 X-IronPort-AV: E=Sophos;i="5.17,551,1437462000"; d="scan'208";a="17504933" Received: from nalasexr01g.na.qualcomm.com ([10.49.56.53]) by Ironmsg06-lv.qualcomm.com with ESMTP/TLS/RC4-SHA; 18 Sep 2015 00:58:54 -0700 Received: from potku.adurom.net (10.80.80.8) by NALASEXR01G.na.qualcomm.com (10.49.56.53) with Microsoft SMTP Server (TLS) id 15.0.1076.9; Fri, 18 Sep 2015 00:58:52 -0700 Subject: [PATCH 2/2] ath10k: implement debugfs interface for Transmit Power Control stats To: From: Kalle Valo Date: Fri, 18 Sep 2015 10:58:47 +0300 Message-ID: <20150918075847.6983.4585.stgit@potku.adurom.net> In-Reply-To: <20150918075706.6983.11216.stgit@potku.adurom.net> References: <20150918075706.6983.11216.stgit@potku.adurom.net> User-Agent: StGit/0.15 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: NASANEXM01F.na.qualcomm.com (10.85.0.32) To NALASEXR01G.na.qualcomm.com (10.49.56.53) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150918_005916_508780_9A43250E X-CRM114-Status: GOOD ( 16.15 ) X-Spam-Score: -7.0 (-------) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-wireless@vger.kernel.org Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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: Maharaja Kennadyrajan The Transmit Power Control (TPC) dump will show the power control values for each rate which makes it easier to debug calibration problems. Example usage: # cat /sys/kernel/debug/ieee80211/phy0/ath10k/tpc_stats TPC config for channel 5180 mode 10 CTL = 0x10 Reg. Domain = 58 Antenna Gain = 1 Reg. Max Antenna Gain = 0 Power Limit = 34 Reg. Max Power = 34 Num tx chains = 3 Num supported rates = 155 **********CDD POWER TABLE******* No. Preamble Rate_code tpc_valu1 tpc_value2 tpc_value3 0 CCK 0x40 0 0 0 1 CCk 0x41 0 0 0 [...] 154 HTCUP 0x 0 24 0 0 **********STBC POWER TABLE****** No. Preamble Rate_code tpc_valu1 tpc_value2 tpc_value3 0 CCK 0x40 0 0 0 [...] 154 HTCUP 0x 0 24 24 0 **********TXBF POWER TABLE****** is used to dump the tx power control stats. Signed-off-by: Maharaja Kennadyrajan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 29 +++ drivers/net/wireless/ath/ath10k/debug.c | 233 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/debug.h | 8 + drivers/net/wireless/ath/ath10k/wmi-ops.h | 19 ++ drivers/net/wireless/ath/ath10k/wmi.c | 269 +++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/wmi.h | 15 ++ 6 files changed, 572 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 04e040a06cb1..002de7113e63 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -250,6 +250,30 @@ struct ath10k_fw_stats { struct list_head peers; }; +#define ATH10K_TPC_TABLE_TYPE_FLAG 1 +#define ATH10K_TPC_PREAM_TABLE_END 0xFFFF + +struct ath10k_tpc_table { + u32 pream_idx[WMI_TPC_RATE_MAX]; + u8 rate_code[WMI_TPC_RATE_MAX]; + char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE]; +}; + +struct ath10k_tpc_stats { + u32 reg_domain; + u32 chan_freq; + u32 phy_mode; + u32 twice_antenna_reduction; + u32 twice_max_rd_power; + s32 twice_antenna_gain; + u32 power_limit; + u32 num_tx_chain; + u32 ctl; + u32 rate_max; + u8 flag[WMI_TPC_FLAG]; + struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG]; +}; + struct ath10k_dfs_stats { u32 phy_errors; u32 pulses_total; @@ -378,6 +402,11 @@ struct ath10k_debug { struct ath10k_dfs_stats dfs_stats; struct ath_dfs_pool_stats dfs_pool_stats; + /* used for tpc-dump storage, protected by data-lock */ + struct ath10k_tpc_stats *tpc_stats; + + struct completion tpc_complete; + /* protected by conf_mutex */ u32 fw_dbglog_mask; u32 fw_dbglog_level; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index bf033f46f8aa..f316efdbd6c3 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1843,6 +1843,233 @@ static const struct file_operations fops_nf_cal_period = { .llseek = default_llseek, }; +#define ATH10K_TPC_CONFIG_BUF_SIZE (1024 * 1024) + +static int ath10k_debug_tpc_stats_request(struct ath10k *ar) +{ + int ret; + unsigned long time_left; + + lockdep_assert_held(&ar->conf_mutex); + + reinit_completion(&ar->debug.tpc_complete); + + ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM); + if (ret) { + ath10k_warn(ar, "failed to request tpc config: %d\n", ret); + return ret; + } + + time_left = wait_for_completion_timeout(&ar->debug.tpc_complete, + 1 * HZ); + if (time_left == 0) + return -ETIMEDOUT; + + return 0; +} + +void ath10k_debug_tpc_stats_process(struct ath10k *ar, + struct ath10k_tpc_stats *tpc_stats) +{ + spin_lock_bh(&ar->data_lock); + + kfree(ar->debug.tpc_stats); + ar->debug.tpc_stats = tpc_stats; + complete(&ar->debug.tpc_complete); + + spin_unlock_bh(&ar->data_lock); +} + +static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats, + unsigned int j, char *buf, unsigned int *len) +{ + unsigned int i, buf_len; + static const char table_str[][5] = { "CDD", + "STBC", + "TXBF" }; + static const char pream_str[][6] = { "CCK", + "OFDM", + "HT20", + "HT40", + "VHT20", + "VHT40", + "VHT80", + "HTCUP" }; + + buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; + *len += scnprintf(buf + *len, buf_len - *len, + "********************************\n"); + *len += scnprintf(buf + *len, buf_len - *len, + "******************* %s POWER TABLE ****************\n", + table_str[j]); + *len += scnprintf(buf + *len, buf_len - *len, + "********************************\n"); + *len += scnprintf(buf + *len, buf_len - *len, + "No. Preamble Rate_code tpc_value1 tpc_value2 tpc_value3\n"); + + for (i = 0; i < tpc_stats->rate_max; i++) { + *len += scnprintf(buf + *len, buf_len - *len, + "%8d %s 0x%2x %s\n", i, + pream_str[tpc_stats->tpc_table[j].pream_idx[i]], + tpc_stats->tpc_table[j].rate_code[i], + tpc_stats->tpc_table[j].tpc_value[i]); + } + + *len += scnprintf(buf + *len, buf_len - *len, + "***********************************\n"); +} + +static void ath10k_tpc_stats_fill(struct ath10k *ar, + struct ath10k_tpc_stats *tpc_stats, + char *buf) +{ + unsigned int len, j, buf_len; + + len = 0; + buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; + + spin_lock_bh(&ar->data_lock); + + if (!tpc_stats) { + ath10k_warn(ar, "failed to get tpc stats\n"); + goto unlock; + } + + len += scnprintf(buf + len, buf_len - len, "\n"); + len += scnprintf(buf + len, buf_len - len, + "*************************************\n"); + len += scnprintf(buf + len, buf_len - len, + "TPC config for channel %4d mode %d\n", + tpc_stats->chan_freq, + tpc_stats->phy_mode); + len += scnprintf(buf + len, buf_len - len, + "*************************************\n"); + len += scnprintf(buf + len, buf_len - len, + "CTL = 0x%2x Reg. Domain = %2d\n", + tpc_stats->ctl, + tpc_stats->reg_domain); + len += scnprintf(buf + len, buf_len - len, + "Antenna Gain = %2d Reg. Max Antenna Gain = %2d\n", + tpc_stats->twice_antenna_gain, + tpc_stats->twice_antenna_reduction); + len += scnprintf(buf + len, buf_len - len, + "Power Limit = %2d Reg. Max Power = %2d\n", + tpc_stats->power_limit, + tpc_stats->twice_max_rd_power / 2); + len += scnprintf(buf + len, buf_len - len, + "Num tx chains = %2d Num supported rates = %2d\n", + tpc_stats->num_tx_chain, + tpc_stats->rate_max); + + for (j = 0; j < tpc_stats->num_tx_chain ; j++) { + switch (j) { + case WMI_TPC_TABLE_TYPE_CDD: + if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { + len += scnprintf(buf + len, buf_len - len, + "CDD not supported\n"); + break; + } + + ath10k_tpc_stats_print(tpc_stats, j, buf, &len); + break; + case WMI_TPC_TABLE_TYPE_STBC: + if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { + len += scnprintf(buf + len, buf_len - len, + "STBC not supported\n"); + break; + } + + ath10k_tpc_stats_print(tpc_stats, j, buf, &len); + break; + case WMI_TPC_TABLE_TYPE_TXBF: + if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { + len += scnprintf(buf + len, buf_len - len, + "TXBF not supported\n***************************\n"); + break; + } + + ath10k_tpc_stats_print(tpc_stats, j, buf, &len); + break; + default: + len += scnprintf(buf + len, buf_len - len, + "Invalid Type\n"); + break; + } + } + +unlock: + spin_unlock_bh(&ar->data_lock); + + if (len >= buf_len) + buf[len - 1] = 0; + else + buf[len] = 0; +} + +static int ath10k_tpc_stats_open(struct inode *inode, struct file *file) +{ + struct ath10k *ar = inode->i_private; + void *buf = NULL; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ret = -ENETDOWN; + goto err_unlock; + } + + buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE); + if (!buf) { + ret = -ENOMEM; + goto err_unlock; + } + + ret = ath10k_debug_tpc_stats_request(ar); + if (ret) { + ath10k_warn(ar, "failed to request tpc config stats: %d\n", + ret); + goto err_free; + } + + ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf); + file->private_data = buf; + + mutex_unlock(&ar->conf_mutex); + return 0; + +err_free: + vfree(buf); + +err_unlock: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static int ath10k_tpc_stats_release(struct inode *inode, struct file *file) +{ + vfree(file->private_data); + + return 0; +} + +static ssize_t ath10k_tpc_stats_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + const char *buf = file->private_data; + unsigned int len = strlen(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static const struct file_operations fops_tpc_stats = { + .open = ath10k_tpc_stats_open, + .release = ath10k_tpc_stats_release, + .read = ath10k_tpc_stats_read, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_start(struct ath10k *ar) { int ret; @@ -2111,6 +2338,8 @@ void ath10k_debug_destroy(struct ath10k *ar) ar->debug.fw_crash_data = NULL; ath10k_debug_fw_stats_reset(ar); + + kfree(ar->debug.tpc_stats); } int ath10k_debug_register(struct ath10k *ar) @@ -2127,6 +2356,7 @@ int ath10k_debug_register(struct ath10k *ar) INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, ath10k_debug_htt_stats_dwork); + init_completion(&ar->debug.tpc_complete); init_completion(&ar->debug.fw_stats_complete); debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, @@ -2195,6 +2425,9 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("quiet_period", S_IRUGO | S_IWUSR, ar->debug.debugfs_phy, ar, &fops_quiet_period); + debugfs_create_file("tpc_stats", S_IRUSR, + ar->debug.debugfs_phy, ar, &fops_tpc_stats); + return 0; } diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index 53bd6a19eab6..b07639e9b082 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -70,6 +70,8 @@ void ath10k_debug_destroy(struct ath10k *ar); int ath10k_debug_register(struct ath10k *ar); void ath10k_debug_unregister(struct ath10k *ar); void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb); +void ath10k_debug_tpc_stats_process(struct ath10k *ar, + struct ath10k_tpc_stats *tpc_stats); struct ath10k_fw_crash_data * ath10k_debug_get_new_fw_crash_data(struct ath10k *ar); @@ -117,6 +119,12 @@ static inline void ath10k_debug_fw_stats_process(struct ath10k *ar, { } +static inline void ath10k_debug_tpc_stats_process(struct ath10k *ar, + struct ath10k_tpc_stats *tpc_stats) +{ + kfree(tpc_stats); +} + static inline void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer, int len) { diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h index 248ffc3d6620..d3bc6df861e4 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-ops.h +++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h @@ -177,6 +177,8 @@ struct wmi_ops { const struct wmi_tdls_peer_capab_arg *cap, const struct wmi_channel_arg *chan); struct sk_buff *(*gen_adaptive_qcs)(struct ath10k *ar, bool enable); + struct sk_buff *(*gen_pdev_get_tpc_config)(struct ath10k *ar, + u32 param); }; int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id); @@ -1270,4 +1272,21 @@ ath10k_wmi_adaptive_qcs(struct ath10k *ar, bool enable) return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->adaptive_qcs_cmdid); } +static inline int +ath10k_wmi_pdev_get_tpc_config(struct ath10k *ar, u32 param) +{ + struct sk_buff *skb; + + if (!ar->wmi.ops->gen_pdev_get_tpc_config) + return -EOPNOTSUPP; + + skb = ar->wmi.ops->gen_pdev_get_tpc_config(ar, param); + + if (IS_ERR(skb)) + return PTR_ERR(skb); + + return ath10k_wmi_cmd_send(ar, skb, + ar->wmi.cmd->pdev_get_tpc_config_cmdid); +} + #endif diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 87d9de2aa8c5..b27ac3028525 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -3835,9 +3835,258 @@ void ath10k_wmi_event_dcs_interference(struct ath10k *ar, struct sk_buff *skb) ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_DCS_INTERFERENCE_EVENTID\n"); } +static u8 ath10k_tpc_config_get_rate(struct ath10k *ar, + struct wmi_pdev_tpc_config_event *ev, + u32 rate_idx, u32 num_chains, + u32 rate_code, u8 type) +{ + u8 tpc, num_streams, preamble, ch, stm_idx; + + num_streams = ATH10K_HW_NSS(rate_code); + preamble = ATH10K_HW_PREAMBLE(rate_code); + ch = num_chains - 1; + + tpc = min_t(u8, ev->rates_array[rate_idx], ev->max_reg_allow_pow[ch]); + + if (__le32_to_cpu(ev->num_tx_chain) <= 1) + goto out; + + if (preamble == WMI_RATE_PREAMBLE_CCK) + goto out; + + stm_idx = num_streams - 1; + if (num_chains <= num_streams) + goto out; + + switch (type) { + case WMI_TPC_TABLE_TYPE_STBC: + tpc = min_t(u8, tpc, + ev->max_reg_allow_pow_agstbc[ch - 1][stm_idx]); + break; + case WMI_TPC_TABLE_TYPE_TXBF: + tpc = min_t(u8, tpc, + ev->max_reg_allow_pow_agtxbf[ch - 1][stm_idx]); + break; + case WMI_TPC_TABLE_TYPE_CDD: + tpc = min_t(u8, tpc, + ev->max_reg_allow_pow_agcdd[ch - 1][stm_idx]); + break; + default: + ath10k_warn(ar, "unknown wmi tpc table type: %d\n", type); + tpc = 0; + break; + } + +out: + return tpc; +} + +static void ath10k_tpc_config_disp_tables(struct ath10k *ar, + struct wmi_pdev_tpc_config_event *ev, + struct ath10k_tpc_stats *tpc_stats, + u8 *rate_code, u16 *pream_table, u8 type) +{ + u32 i, j, pream_idx, flags; + u8 tpc[WMI_TPC_TX_N_CHAIN]; + char tpc_value[WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE]; + char buff[WMI_TPC_BUF_SIZE]; + + flags = __le32_to_cpu(ev->flags); + + switch (type) { + case WMI_TPC_TABLE_TYPE_CDD: + if (!(flags & WMI_TPC_CONFIG_EVENT_FLAG_TABLE_CDD)) { + ath10k_dbg(ar, ATH10K_DBG_WMI, "CDD not supported\n"); + tpc_stats->flag[type] = ATH10K_TPC_TABLE_TYPE_FLAG; + return; + } + break; + case WMI_TPC_TABLE_TYPE_STBC: + if (!(flags & WMI_TPC_CONFIG_EVENT_FLAG_TABLE_STBC)) { + ath10k_dbg(ar, ATH10K_DBG_WMI, "STBC not supported\n"); + tpc_stats->flag[type] = ATH10K_TPC_TABLE_TYPE_FLAG; + return; + } + break; + case WMI_TPC_TABLE_TYPE_TXBF: + if (!(flags & WMI_TPC_CONFIG_EVENT_FLAG_TABLE_TXBF)) { + ath10k_dbg(ar, ATH10K_DBG_WMI, "TXBF not supported\n"); + tpc_stats->flag[type] = ATH10K_TPC_TABLE_TYPE_FLAG; + return; + } + break; + default: + ath10k_dbg(ar, ATH10K_DBG_WMI, + "invalid table type in wmi tpc event: %d\n", type); + return; + } + + pream_idx = 0; + for (i = 0; i < __le32_to_cpu(ev->rate_max); i++) { + memset(tpc_value, 0, sizeof(tpc_value)); + memset(buff, 0, sizeof(buff)); + if (i == pream_table[pream_idx]) + pream_idx++; + + for (j = 0; j < WMI_TPC_TX_N_CHAIN; j++) { + if (j >= __le32_to_cpu(ev->num_tx_chain)) + break; + + tpc[j] = ath10k_tpc_config_get_rate(ar, ev, i, j + 1, + rate_code[i], + type); + snprintf(buff, sizeof(buff), "%8d ", tpc[j]); + strncat(tpc_value, buff, strlen(buff)); + } + tpc_stats->tpc_table[type].pream_idx[i] = pream_idx; + tpc_stats->tpc_table[type].rate_code[i] = rate_code[i]; + memcpy(tpc_stats->tpc_table[type].tpc_value[i], + tpc_value, sizeof(tpc_value)); + } +} + void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb) { - ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_PDEV_TPC_CONFIG_EVENTID\n"); + u32 i, j, pream_idx, num_tx_chain; + u8 rate_code[WMI_TPC_RATE_MAX], rate_idx; + u16 pream_table[WMI_TPC_PREAM_TABLE_MAX]; + struct wmi_pdev_tpc_config_event *ev; + struct ath10k_tpc_stats *tpc_stats; + + ev = (struct wmi_pdev_tpc_config_event *)skb->data; + + tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC); + if (!tpc_stats) + return; + + /* Create the rate code table based on the chains supported */ + rate_idx = 0; + pream_idx = 0; + + /* Fill CCK rate code */ + for (i = 0; i < 4; i++) { + rate_code[rate_idx] = + ATH10K_HW_RATECODE(i, 0, WMI_RATE_PREAMBLE_CCK); + rate_idx++; + } + pream_table[pream_idx] = rate_idx; + pream_idx++; + + /* Fill OFDM rate code */ + for (i = 0; i < 8; i++) { + rate_code[rate_idx] = + ATH10K_HW_RATECODE(i, 0, WMI_RATE_PREAMBLE_OFDM); + rate_idx++; + } + pream_table[pream_idx] = rate_idx; + pream_idx++; + + num_tx_chain = __le32_to_cpu(ev->num_tx_chain); + + /* Fill HT20 rate code */ + for (i = 0; i < num_tx_chain; i++) { + for (j = 0; j < 8; j++) { + rate_code[rate_idx] = + ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_HT); + rate_idx++; + } + } + pream_table[pream_idx] = rate_idx; + pream_idx++; + + /* Fill HT40 rate code */ + for (i = 0; i < num_tx_chain; i++) { + for (j = 0; j < 8; j++) { + rate_code[rate_idx] = + ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_HT); + rate_idx++; + } + } + pream_table[pream_idx] = rate_idx; + pream_idx++; + + /* Fill VHT20 rate code */ + for (i = 0; i < __le32_to_cpu(ev->num_tx_chain); i++) { + for (j = 0; j < 10; j++) { + rate_code[rate_idx] = + ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_VHT); + rate_idx++; + } + } + pream_table[pream_idx] = rate_idx; + pream_idx++; + + /* Fill VHT40 rate code */ + for (i = 0; i < num_tx_chain; i++) { + for (j = 0; j < 10; j++) { + rate_code[rate_idx] = + ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_VHT); + rate_idx++; + } + } + pream_table[pream_idx] = rate_idx; + pream_idx++; + + /* Fill VHT80 rate code */ + for (i = 0; i < num_tx_chain; i++) { + for (j = 0; j < 10; j++) { + rate_code[rate_idx] = + ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_VHT); + rate_idx++; + } + } + pream_table[pream_idx] = rate_idx; + pream_idx++; + + rate_code[rate_idx++] = + ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_CCK); + rate_code[rate_idx++] = + ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_OFDM); + rate_code[rate_idx++] = + ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_CCK); + rate_code[rate_idx++] = + ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_OFDM); + rate_code[rate_idx++] = + ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_OFDM); + + pream_table[pream_idx] = ATH10K_TPC_PREAM_TABLE_END; + + tpc_stats->chan_freq = __le32_to_cpu(ev->chan_freq); + tpc_stats->phy_mode = __le32_to_cpu(ev->phy_mode); + tpc_stats->ctl = __le32_to_cpu(ev->ctl); + tpc_stats->reg_domain = __le32_to_cpu(ev->reg_domain); + tpc_stats->twice_antenna_gain = a_sle32_to_cpu(ev->twice_antenna_gain); + tpc_stats->twice_antenna_reduction = + __le32_to_cpu(ev->twice_antenna_reduction); + tpc_stats->power_limit = __le32_to_cpu(ev->power_limit); + tpc_stats->twice_max_rd_power = __le32_to_cpu(ev->twice_max_rd_power); + tpc_stats->num_tx_chain = __le32_to_cpu(ev->num_tx_chain); + tpc_stats->rate_max = __le32_to_cpu(ev->rate_max); + + ath10k_tpc_config_disp_tables(ar, ev, tpc_stats, + rate_code, pream_table, + WMI_TPC_TABLE_TYPE_CDD); + ath10k_tpc_config_disp_tables(ar, ev, tpc_stats, + rate_code, pream_table, + WMI_TPC_TABLE_TYPE_STBC); + ath10k_tpc_config_disp_tables(ar, ev, tpc_stats, + rate_code, pream_table, + WMI_TPC_TABLE_TYPE_TXBF); + + ath10k_debug_tpc_stats_process(ar, tpc_stats); + + ath10k_dbg(ar, ATH10K_DBG_WMI, + "wmi event tpc config channel %d mode %d ctl %d regd %d gain %d %d limit %d max_power %d tx_chanins %d rates %d\n", + __le32_to_cpu(ev->chan_freq), + __le32_to_cpu(ev->phy_mode), + __le32_to_cpu(ev->ctl), + __le32_to_cpu(ev->reg_domain), + a_sle32_to_cpu(ev->twice_antenna_gain), + __le32_to_cpu(ev->twice_antenna_reduction), + __le32_to_cpu(ev->power_limit), + __le32_to_cpu(ev->twice_max_rd_power) / 2, + __le32_to_cpu(ev->num_tx_chain), + __le32_to_cpu(ev->rate_max)); } void ath10k_wmi_event_pdev_ftm_intg(struct ath10k *ar, struct sk_buff *skb) @@ -6356,6 +6605,23 @@ ath10k_wmi_op_gen_delba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac, return skb; } +static struct sk_buff * +ath10k_wmi_10_2_4_op_gen_pdev_get_tpc_config(struct ath10k *ar, u32 param) +{ + struct wmi_pdev_get_tpc_config_cmd *cmd; + struct sk_buff *skb; + + skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd)); + if (!skb) + return ERR_PTR(-ENOMEM); + + cmd = (struct wmi_pdev_get_tpc_config_cmd *)skb->data; + cmd->param = __cpu_to_le32(param); + + ath10k_dbg(ar, ATH10K_DBG_WMI, + "wmi pdev get tcp config param:%d\n", param); + return skb; +} static const struct wmi_ops wmi_ops = { .rx = ath10k_wmi_op_rx, .map_svc = wmi_main_svc_map, @@ -6606,6 +6872,7 @@ static const struct wmi_ops wmi_10_2_4_ops = { .gen_addba_send = ath10k_wmi_op_gen_addba_send, .gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp, .gen_delba_send = ath10k_wmi_op_gen_delba_send, + .gen_pdev_get_tpc_config = ath10k_wmi_10_2_4_op_gen_pdev_get_tpc_config, /* .gen_bcn_tmpl not implemented */ /* .gen_prb_tmpl not implemented */ /* .gen_p2p_go_bcn_ie not implemented */ diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 95fdc723a996..9e9e222c5a37 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -3661,8 +3661,18 @@ struct wmi_pdev_get_tpc_config_cmd { __le32 param; } __packed; +#define WMI_TPC_CONFIG_PARAM 1 #define WMI_TPC_RATE_MAX 160 #define WMI_TPC_TX_N_CHAIN 4 +#define WMI_TPC_PREAM_TABLE_MAX 10 +#define WMI_TPC_FLAG 3 +#define WMI_TPC_BUF_SIZE 10 + +enum wmi_tpc_table_type { + WMI_TPC_TABLE_TYPE_CDD = 0, + WMI_TPC_TABLE_TYPE_STBC = 1, + WMI_TPC_TABLE_TYPE_TXBF = 2, +}; enum wmi_tpc_config_event_flag { WMI_TPC_CONFIG_EVENT_FLAG_TABLE_CDD = 0x1, @@ -4272,6 +4282,11 @@ enum wmi_rate_preamble { WMI_RATE_PREAMBLE_VHT, }; +#define ATH10K_HW_NSS(rate) (1 + (((rate) >> 4) & 0x3)) +#define ATH10K_HW_PREAMBLE(rate) (((rate) >> 6) & 0x3) +#define ATH10K_HW_RATECODE(rate, nss, preamble) \ + (((preamble) << 6) | ((nss) << 4) | (rate)) + /* Value to disable fixed rate setting */ #define WMI_FIXED_RATE_NONE (0xff)