From 6489854b9cbc2faa6709532e61c3ea221cf8583b Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Tue, 3 May 2011 18:05:13 -0700 Subject: iwlagn: add testmode set fixed rate command Add support in testmode for setting fixed rate Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 58 ++++++++++++++++++----------- drivers/net/wireless/iwlwifi/iwl-dev.h | 2 + drivers/net/wireless/iwlwifi/iwl-sv-open.c | 11 ++++++ drivers/net/wireless/iwlwifi/iwl-testmode.h | 7 ++++ 4 files changed, 57 insertions(+), 21 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index dbe6295bbf23..432f839700dd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -335,6 +335,32 @@ static u8 rs_tl_add_packet(struct iwl_lq_sta *lq_data, return tid; } +#if defined(CONFIG_MAC80211_DEBUGFS) || defined(CONFIG_IWLWIFI_DEVICE_SVTOOL) +static void rs_program_fix_rate(struct iwl_priv *priv, + struct iwl_lq_sta *lq_sta) +{ + struct iwl_station_priv *sta_priv = + container_of(lq_sta, struct iwl_station_priv, lq_sta); + struct iwl_rxon_context *ctx = sta_priv->common.ctx; + + lq_sta->active_legacy_rate = 0x0FFF; /* 1 - 54 MBits, includes CCK */ + lq_sta->active_siso_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + lq_sta->active_mimo2_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + lq_sta->active_mimo3_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + + lq_sta->dbg_fixed_rate = priv->dbg_fixed_rate; + + IWL_DEBUG_RATE(priv, "sta_id %d rate 0x%X\n", + lq_sta->lq.sta_id, priv->dbg_fixed_rate); + + if (priv->dbg_fixed_rate) { + rs_fill_link_cmd(NULL, lq_sta, priv->dbg_fixed_rate); + iwl_send_lq_cmd(lq_sta->drv, ctx, &lq_sta->lq, CMD_ASYNC, + false); + } +} +#endif + /* get the traffic load value for tid */ @@ -1046,7 +1072,10 @@ done: /* See if there's a better rate or modulation mode to try. */ if (sta && sta->supp_rates[sband->band]) rs_rate_scale_perform(priv, skb, sta, lq_sta); - +#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL + if (priv->dbg_fixed_rate != lq_sta->dbg_fixed_rate) + rs_program_fix_rate(priv, lq_sta); +#endif if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist) rs_bt_update_lq(priv, ctx, lq_sta); } @@ -2871,6 +2900,7 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; lq_sta->is_agg = 0; + priv->dbg_fixed_rate = 0; #ifdef CONFIG_MAC80211_DEBUGFS lq_sta->dbg_fixed_rate = 0; #endif @@ -3045,7 +3075,6 @@ static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta, IWL_DEBUG_RATE(priv, "leave\n"); } - #ifdef CONFIG_MAC80211_DEBUGFS static int open_file_generic(struct inode *inode, struct file *file) { @@ -3070,6 +3099,7 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, IWL_DEBUG_RATE(priv, "Fixed rate ON\n"); } else { lq_sta->dbg_fixed_rate = 0; + priv->dbg_fixed_rate = 0; IWL_ERR(priv, "Invalid antenna selection 0x%X, Valid is 0x%X\n", ant_sel_tx, valid_tx_ant); @@ -3088,9 +3118,7 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file, char buf[64]; int buf_size; u32 parsed_rate; - struct iwl_station_priv *sta_priv = - container_of(lq_sta, struct iwl_station_priv, lq_sta); - struct iwl_rxon_context *ctx = sta_priv->common.ctx; + priv = lq_sta->drv; memset(buf, 0, sizeof(buf)); @@ -3099,23 +3127,11 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file, return -EFAULT; if (sscanf(buf, "%x", &parsed_rate) == 1) - lq_sta->dbg_fixed_rate = parsed_rate; + priv->dbg_fixed_rate = lq_sta->dbg_fixed_rate = parsed_rate; else - lq_sta->dbg_fixed_rate = 0; - - lq_sta->active_legacy_rate = 0x0FFF; /* 1 - 54 MBits, includes CCK */ - lq_sta->active_siso_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ - lq_sta->active_mimo2_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ - lq_sta->active_mimo3_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ - - IWL_DEBUG_RATE(priv, "sta_id %d rate 0x%X\n", - lq_sta->lq.sta_id, lq_sta->dbg_fixed_rate); + priv->dbg_fixed_rate = lq_sta->dbg_fixed_rate = 0; - if (lq_sta->dbg_fixed_rate) { - rs_fill_link_cmd(NULL, lq_sta, lq_sta->dbg_fixed_rate); - iwl_send_lq_cmd(lq_sta->drv, ctx, &lq_sta->lq, CMD_ASYNC, - false); - } + rs_program_fix_rate(priv, lq_sta); return count; } @@ -3143,7 +3159,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, lq_sta->total_failed, lq_sta->total_success, lq_sta->active_legacy_rate); desc += sprintf(buff+desc, "fixed rate 0x%X\n", - lq_sta->dbg_fixed_rate); + priv->dbg_fixed_rate); desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n", (priv->hw_params.valid_tx_ant & ANT_A) ? "ANT_A," : "", (priv->hw_params.valid_tx_ant & ANT_B) ? "ANT_B," : "", diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 12fb2f4ca0b1..ab29ab52edd0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1521,6 +1521,8 @@ struct iwl_priv { #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL struct iwl_testmode_trace testmode_trace; #endif + u32 dbg_fixed_rate; + }; /*iwl_priv */ static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) diff --git a/drivers/net/wireless/iwlwifi/iwl-sv-open.c b/drivers/net/wireless/iwlwifi/iwl-sv-open.c index e77ccaaf54ba..69b7e6bf2d6f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sv-open.c +++ b/drivers/net/wireless/iwlwifi/iwl-sv-open.c @@ -103,6 +103,7 @@ struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = { [IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, }, [IWL_TM_ATTR_TRACE_DATA] = { .type = NLA_UNSPEC, }, + [IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, }, }; /* @@ -443,6 +444,15 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) return -EFAULT; break; + case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: + if (!tb[IWL_TM_ATTR_FIXRATE]) { + IWL_DEBUG_INFO(priv, + "Error finding fixrate setting\n"); + return -ENOMSG; + } + priv->dbg_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]); + break; + default: IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n"); return -ENOSYS; @@ -607,6 +617,7 @@ int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: case IWL_TM_CMD_APP2DEV_GET_EEPROM: + case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: IWL_DEBUG_INFO(priv, "testmode cmd to driver\n"); result = iwl_testmode_driver(hw, tb); break; diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h index 4171d2963828..a88085e9b361 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.h +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h @@ -89,6 +89,7 @@ enum iwl_tm_cmd_t { IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB, IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW, IWL_TM_CMD_APP2DEV_GET_EEPROM, + IWL_TM_CMD_APP2DEV_FIXRATE_REQ, /* if there is other new command for the driver layer operation, * append them here */ @@ -167,6 +168,12 @@ enum iwl_tm_attr_t { IWL_TM_ATTR_TRACE_ADDR, IWL_TM_ATTR_TRACE_DATA, + /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_FIXRATE_REQ, + * The mandatory fields are: + * IWL_TM_ATTR_FIXRATE for the fixed rate + */ + IWL_TM_ATTR_FIXRATE, + IWL_TM_ATTR_MAX, }; -- cgit v1.2.3