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iwlwifi: move the creation of LQ host command to iwlcore 

This patch moves creation of LQ host command to iwlcore
from previous location in rate scaling.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-04-15 16:01:40 -07:00 committed by John W. Linville
parent ec35cf2afb
commit 66c73db7c6
5 changed files with 67 additions and 65 deletions
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14
drivers/net/wireless/iwlwifi/iwl-4965-commands.h
View File

@ -1413,11 +1413,11 @@ struct iwl4965_txpowertable_cmd {
/** /**
* struct iwl4965_link_qual_general_params * struct iwl_link_qual_general_params
* *
* Used in REPLY_TX_LINK_QUALITY_CMD * Used in REPLY_TX_LINK_QUALITY_CMD
*/ */
struct iwl4965_link_qual_general_params { struct iwl_link_qual_general_params {
u8 flags; u8 flags;
/* No entries at or above this (driver chosen) index contain MIMO */ /* No entries at or above this (driver chosen) index contain MIMO */
@ -1444,11 +1444,11 @@ struct iwl4965_link_qual_general_params {
} __attribute__ ((packed)); } __attribute__ ((packed));
/** /**
* struct iwl4965_link_qual_agg_params * struct iwl_link_qual_agg_params
* *
* Used in REPLY_TX_LINK_QUALITY_CMD * Used in REPLY_TX_LINK_QUALITY_CMD
*/ */
struct iwl4965_link_qual_agg_params { struct iwl_link_qual_agg_params {
/* Maximum number of uSec in aggregation. /* Maximum number of uSec in aggregation.
* Driver should set this to 4000 (4 milliseconds). */ * Driver should set this to 4000 (4 milliseconds). */
@ -1658,14 +1658,14 @@ struct iwl4965_link_qual_agg_params {
* legacy), and then repeat the search process. * legacy), and then repeat the search process.
* *
*/ */
struct iwl4965_link_quality_cmd { struct iwl_link_quality_cmd {
/* Index of destination/recipient station in uCode's station table */ /* Index of destination/recipient station in uCode's station table */
u8 sta_id; u8 sta_id;
u8 reserved1; u8 reserved1;
__le16 control; /* not used */ __le16 control; /* not used */
struct iwl4965_link_qual_general_params general_params; struct iwl_link_qual_general_params general_params;
struct iwl4965_link_qual_agg_params agg_params; struct iwl_link_qual_agg_params agg_params;
/* /*
* Rate info; when using rate-scaling, Tx command's initial_rate_index * Rate info; when using rate-scaling, Tx command's initial_rate_index

65
drivers/net/wireless/iwlwifi/iwl-4965-rs.c
View File

@ -150,7 +150,7 @@ struct iwl4965_lq_sta {
u16 active_mimo_rate; u16 active_mimo_rate;
u16 active_rate_basic; u16 active_rate_basic;
struct iwl4965_link_quality_cmd lq; struct iwl_link_quality_cmd lq;
struct iwl4965_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ struct iwl4965_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */
#ifdef CONFIG_IWL4965_HT #ifdef CONFIG_IWL4965_HT
struct iwl4965_traffic_load load[TID_MAX_LOAD_COUNT]; struct iwl4965_traffic_load load[TID_MAX_LOAD_COUNT];
@ -173,7 +173,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
struct sta_info *sta); struct sta_info *sta);
static void rs_fill_link_cmd(struct iwl4965_lq_sta *lq_sta, static void rs_fill_link_cmd(struct iwl4965_lq_sta *lq_sta,
struct iwl4965_rate *tx_mcs, struct iwl4965_rate *tx_mcs,
struct iwl4965_link_quality_cmd *tbl); struct iwl_link_quality_cmd *tbl);
#ifdef CONFIG_MAC80211_DEBUGFS #ifdef CONFIG_MAC80211_DEBUGFS
@ -230,58 +230,11 @@ static s32 expected_tpt_mimo40MHzSGI[IWL_RATE_COUNT] = {
0, 0, 0, 0, 131, 131, 191, 222, 242, 270, 284, 289, 293 0, 0, 0, 0, 131, 131, 191, 222, 242, 270, 284, 289, 293
}; };
static int iwl4965_lq_sync_callback(struct iwl_priv *priv,
struct iwl_cmd *cmd, struct sk_buff *skb)
{
/*We didn't cache the SKB; let the caller free it */
return 1;
}
static inline u8 iwl4965_rate_get_rate(u32 rate_n_flags) static inline u8 iwl4965_rate_get_rate(u32 rate_n_flags)
{ {
return (u8)(rate_n_flags & 0xFF); return (u8)(rate_n_flags & 0xFF);
} }
static int rs_send_lq_cmd(struct iwl_priv *priv,
struct iwl4965_link_quality_cmd *lq, u8 flags)
{
#ifdef CONFIG_IWLWIFI_DEBUG
int i;
#endif
struct iwl_host_cmd cmd = {
.id = REPLY_TX_LINK_QUALITY_CMD,
.len = sizeof(struct iwl4965_link_quality_cmd),
.meta.flags = flags,
.data = lq,
};
if ((lq->sta_id == 0xFF) &&
(priv->iw_mode == IEEE80211_IF_TYPE_IBSS))
return -EINVAL;
if (lq->sta_id == 0xFF)
lq->sta_id = IWL_AP_ID;
IWL_DEBUG_RATE("lq station id 0x%x\n", lq->sta_id);
IWL_DEBUG_RATE("lq dta 0x%X 0x%X\n",
lq->general_params.single_stream_ant_msk,
lq->general_params.dual_stream_ant_msk);
#ifdef CONFIG_IWLWIFI_DEBUG
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++)
IWL_DEBUG_RATE("lq index %d 0x%X\n",
i, lq->rs_table[i].rate_n_flags);
#endif
if (flags & CMD_ASYNC)
cmd.meta.u.callback = iwl4965_lq_sync_callback;
if (iwl_is_associated(priv) && priv->assoc_station_added &&
priv->lq_mngr.lq_ready)
return iwl_send_cmd(priv, &cmd);
return 0;
}
static void rs_rate_scale_clear_window(struct iwl4965_rate_scale_data *window) static void rs_rate_scale_clear_window(struct iwl4965_rate_scale_data *window)
{ {
window->data = 0; window->data = 0;
@ -819,7 +772,7 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
u8 retries; u8 retries;
int rs_index, index = 0; int rs_index, index = 0;
struct iwl4965_lq_sta *lq_sta; struct iwl4965_lq_sta *lq_sta;
struct iwl4965_link_quality_cmd *table; struct iwl_link_quality_cmd *table;
struct sta_info *sta; struct sta_info *sta;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct iwl_priv *priv = (struct iwl_priv *)priv_rate; struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
@ -1879,7 +1832,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
if (update_lq) { if (update_lq) {
rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green); rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green);
rs_fill_link_cmd(lq_sta, &mcs_rate, &lq_sta->lq); rs_fill_link_cmd(lq_sta, &mcs_rate, &lq_sta->lq);
rs_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC);
} }
goto out; goto out;
@ -2044,7 +1997,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
if (update_lq) { if (update_lq) {
rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green); rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green);
rs_fill_link_cmd(lq_sta, &mcs_rate, &lq_sta->lq); rs_fill_link_cmd(lq_sta, &mcs_rate, &lq_sta->lq);
rs_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC);
} }
/* Should we stay with this modulation mode, or search for a new one? */ /* Should we stay with this modulation mode, or search for a new one? */
@ -2084,7 +2037,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
tbl->current_rate.rate_n_flags, index); tbl->current_rate.rate_n_flags, index);
rs_fill_link_cmd(lq_sta, &tbl->current_rate, rs_fill_link_cmd(lq_sta, &tbl->current_rate,
&lq_sta->lq); &lq_sta->lq);
rs_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC);
} }
/* If the "active" (non-search) mode was legacy, /* If the "active" (non-search) mode was legacy,
@ -2197,7 +2150,7 @@ static void rs_initialize_lq(struct iwl_priv *priv,
tbl->current_rate.rate_n_flags = mcs_rate.rate_n_flags; tbl->current_rate.rate_n_flags = mcs_rate.rate_n_flags;
rs_get_expected_tpt_table(lq_sta, tbl); rs_get_expected_tpt_table(lq_sta, tbl);
rs_fill_link_cmd(lq_sta, &mcs_rate, &lq_sta->lq); rs_fill_link_cmd(lq_sta, &mcs_rate, &lq_sta->lq);
rs_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC);
out: out:
return; return;
} }
@ -2392,7 +2345,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
static void rs_fill_link_cmd(struct iwl4965_lq_sta *lq_sta, static void rs_fill_link_cmd(struct iwl4965_lq_sta *lq_sta,
struct iwl4965_rate *tx_mcs, struct iwl4965_rate *tx_mcs,
struct iwl4965_link_quality_cmd *lq_cmd) struct iwl_link_quality_cmd *lq_cmd)
{ {
int index = 0; int index = 0;
int rate_idx; int rate_idx;
@ -2591,7 +2544,7 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
if (lq_sta->dbg_fixed.rate_n_flags) { if (lq_sta->dbg_fixed.rate_n_flags) {
rs_fill_link_cmd(lq_sta, &lq_sta->dbg_fixed, &lq_sta->lq); rs_fill_link_cmd(lq_sta, &lq_sta->dbg_fixed, &lq_sta->lq);
rs_send_lq_cmd(lq_sta->drv, &lq_sta->lq, CMD_ASYNC); iwl_send_lq_cmd(lq_sta->drv, &lq_sta->lq, CMD_ASYNC);
} }
return count; return count;

2
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -4484,7 +4484,7 @@ static int iwl4965_tx_queue_agg_enable(struct iwl_priv *priv, int txq_id,
void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap) void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
{ {
int i, r; int i, r;
struct iwl4965_link_quality_cmd link_cmd = { struct iwl_link_quality_cmd link_cmd = {
.reserved1 = 0, .reserved1 = 0,
}; };
u16 rate_flags; u16 rate_flags;

3
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -231,5 +231,6 @@ enum iwlcore_card_notify {
int iwlcore_low_level_notify(struct iwl_priv *priv, int iwlcore_low_level_notify(struct iwl_priv *priv,
enum iwlcore_card_notify notify); enum iwlcore_card_notify notify);
extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags); extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
int iwl_send_lq_cmd(struct iwl_priv *priv,
struct iwl_link_quality_cmd *lq, u8 flags);
#endif /* __iwl_core_h__ */ #endif /* __iwl_core_h__ */

48
drivers/net/wireless/iwlwifi/iwl-sta.c
View File

@ -303,3 +303,51 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
return ret; return ret;
} }
#ifdef CONFIG_IWLWIFI_DEBUG
static void iwl_dump_lq_cmd(struct iwl_priv *priv,
struct iwl_link_quality_cmd *lq)
{
int i;
IWL_DEBUG_RATE("lq station id 0x%x\n", lq->sta_id);
IWL_DEBUG_RATE("lq dta 0x%X 0x%X\n",
lq->general_params.single_stream_ant_msk,
lq->general_params.dual_stream_ant_msk);
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++)
IWL_DEBUG_RATE("lq index %d 0x%X\n",
i, lq->rs_table[i].rate_n_flags);
}
#else
static inline void iwl_dump_lq_cmd(struct iwl_priv *priv,
struct iwl_link_quality_cmd *lq)
{
}
#endif
int iwl_send_lq_cmd(struct iwl_priv *priv,
struct iwl_link_quality_cmd *lq, u8 flags)
{
struct iwl_host_cmd cmd = {
.id = REPLY_TX_LINK_QUALITY_CMD,
.len = sizeof(struct iwl_link_quality_cmd),
.meta.flags = flags,
.data = lq,
};
if ((lq->sta_id == 0xFF) &&
(priv->iw_mode == IEEE80211_IF_TYPE_IBSS))
return -EINVAL;
if (lq->sta_id == 0xFF)
lq->sta_id = IWL_AP_ID;
iwl_dump_lq_cmd(priv,lq);
if (iwl_is_associated(priv) && priv->assoc_station_added &&
priv->lq_mngr.lq_ready)
return iwl_send_cmd(priv, &cmd);
return 0;
}
EXPORT_SYMBOL(iwl_send_lq_cmd);