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path: root/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rs.c234
1 files changed, 126 insertions, 108 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index c69515ed72df..60abb0084ee5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -42,8 +42,6 @@
#include "mvm.h"
#include "debugfs.h"
-#define RS_NAME "iwl-mvm-rs"
-
#define IWL_RATE_MAX_WINDOW 62 /* # tx in history window */
/* Calculations of success ratio are done in fixed point where 12800 is 100%.
@@ -809,7 +807,7 @@ static int rs_collect_tlc_data(struct iwl_mvm *mvm,
return -EINVAL;
if (tbl->column != RS_COLUMN_INVALID) {
- struct lq_sta_pers *pers = &mvmsta->lq_sta.pers;
+ struct lq_sta_pers *pers = &mvmsta->lq_sta.rs_drv.pers;
pers->tx_stats[tbl->column][scale_index].total += attempts;
pers->tx_stats[tbl->column][scale_index].success += successes;
@@ -1206,7 +1204,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
u8 lq_color = RS_DRV_DATA_LQ_COLOR_GET(tlc_info);
u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1];
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
- struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta;
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
/* Treat uninitialized rate scaling data same as non-existing. */
if (!lq_sta) {
@@ -1416,13 +1414,13 @@ done:
/*
* mac80211 sends us Tx status
*/
-static void rs_mac80211_tx_status(void *mvm_r,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb)
+static void rs_drv_mac80211_tx_status(void *mvm_r,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_sta *sta, void *priv_sta,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct iwl_op_mode *op_mode = (struct iwl_op_mode *)mvm_r;
+ struct iwl_op_mode *op_mode = mvm_r;
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1877,12 +1875,10 @@ static int rs_switch_to_column(struct iwl_mvm *mvm,
struct rs_rate *rate = &search_tbl->rate;
const struct rs_tx_column *column = &rs_tx_columns[col_id];
const struct rs_tx_column *curr_column = &rs_tx_columns[tbl->column];
- u32 sz = (sizeof(struct iwl_scale_tbl_info) -
- (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
unsigned long rate_mask = 0;
u32 rate_idx = 0;
- memcpy(search_tbl, tbl, sz);
+ memcpy(search_tbl, tbl, offsetof(struct iwl_scale_tbl_info, win));
rate->sgi = column->sgi;
rate->ant = column->ant;
@@ -2787,9 +2783,10 @@ out:
/* Save info about RSSI of last Rx */
void rs_update_last_rssi(struct iwl_mvm *mvm,
- struct iwl_lq_sta *lq_sta,
+ struct iwl_mvm_sta *mvmsta,
struct ieee80211_rx_status *rx_status)
{
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
int i;
lq_sta->pers.chains = rx_status->chains;
@@ -2858,15 +2855,15 @@ static void rs_initialize_lq(struct iwl_mvm *mvm,
iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, init);
}
-static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta,
- struct ieee80211_tx_rate_control *txrc)
+static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
+ void *mvm_sta,
+ struct ieee80211_tx_rate_control *txrc)
{
- struct sk_buff *skb = txrc->skb;
- struct iwl_op_mode *op_mode __maybe_unused =
- (struct iwl_op_mode *)mvm_r;
+ struct iwl_op_mode *op_mode = mvm_r;
struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode);
+ struct sk_buff *skb = txrc->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct iwl_lq_sta *lq_sta = mvm_sta;
+ struct iwl_lq_sta *lq_sta;
struct rs_rate *optimal_rate;
u32 last_ucode_rate;
@@ -2878,18 +2875,14 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta,
mvm_sta = NULL;
}
- /* TODO: handle rate_idx_mask and rate_idx_mcs_mask */
-
- /* Treat uninitialized rate scaling data same as non-existing. */
- if (lq_sta && !lq_sta->pers.drv) {
- IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n");
- mvm_sta = NULL;
- }
-
/* Send management frames and NO_ACK data using lowest rate. */
if (rate_control_send_low(sta, mvm_sta, txrc))
return;
+ if (!mvm_sta)
+ return;
+
+ lq_sta = mvm_sta;
iwl_mvm_hwrate_to_tx_rate(lq_sta->last_rate_n_flags,
info->band, &info->control.rates[0]);
info->control.rates[0].count = 1;
@@ -2906,13 +2899,13 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta,
}
}
-static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
- gfp_t gfp)
+static void *rs_drv_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
+ gfp_t gfp)
{
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_op_mode *op_mode = (struct iwl_op_mode *)mvm_rate;
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
- struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta;
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
IWL_DEBUG_RATE(mvm, "create station rate scale window\n");
@@ -2926,7 +2919,7 @@ static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal));
lq_sta->pers.last_rssi = S8_MIN;
- return &mvmsta->lq_sta;
+ return lq_sta;
}
static int rs_vht_highest_rx_mcs_index(struct ieee80211_sta_vht_cap *vht_cap,
@@ -3043,7 +3036,7 @@ static void rs_vht_init(struct iwl_mvm *mvm,
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
-static void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm)
+void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm)
{
spin_lock_bh(&mvm->drv_stats_lock);
memset(&mvm->drv_rx_stats, 0, sizeof(mvm->drv_rx_stats));
@@ -3111,15 +3104,15 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
/*
* Called after adding a new station to initialize rate scaling
*/
-void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band, bool init)
+static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ enum nl80211_band band, bool init)
{
int i, j;
struct ieee80211_hw *hw = mvm->hw;
struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
- struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta;
+ struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv;
struct ieee80211_supported_band *sband;
unsigned long supp; /* must be unsigned long for for_each_set_bit */
@@ -3194,16 +3187,15 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
rs_initialize_lq(mvm, sta, lq_sta, band, init);
}
-static void rs_rate_update(void *mvm_r,
- struct ieee80211_supported_band *sband,
- struct cfg80211_chan_def *chandef,
- struct ieee80211_sta *sta, void *priv_sta,
- u32 changed)
+static void rs_drv_rate_update(void *mvm_r,
+ struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
+ struct ieee80211_sta *sta,
+ void *priv_sta, u32 changed)
{
+ struct iwl_op_mode *op_mode = mvm_r;
+ struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode);
u8 tid;
- struct iwl_op_mode *op_mode =
- (struct iwl_op_mode *)mvm_r;
- struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
if (!iwl_mvm_sta_from_mac80211(sta)->vif)
return;
@@ -3385,7 +3377,7 @@ static void rs_bfer_active_iter(void *_data,
{
struct rs_bfer_active_iter_data *data = _data;
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
- struct iwl_lq_cmd *lq_cmd = &mvmsta->lq_sta.lq;
+ struct iwl_lq_cmd *lq_cmd = &mvmsta->lq_sta.rs_drv.lq;
u32 ss_params = le32_to_cpu(lq_cmd->ss_params);
if (sta == data->exclude_sta)
@@ -3497,7 +3489,8 @@ static void rs_set_lq_ss_params(struct iwl_mvm *mvm,
/* Disallow BFER on another STA if active and we're a higher priority */
if (rs_bfer_priority_cmp(mvmsta, bfer_mvmsta) > 0) {
- struct iwl_lq_cmd *bfersta_lq_cmd = &bfer_mvmsta->lq_sta.lq;
+ struct iwl_lq_cmd *bfersta_lq_cmd =
+ &bfer_mvmsta->lq_sta.rs_drv.lq;
u32 bfersta_ss_params = le32_to_cpu(bfersta_lq_cmd->ss_params);
bfersta_ss_params &= ~LQ_SS_BFER_ALLOWED;
@@ -3569,14 +3562,14 @@ static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
return hw->priv;
}
+
/* rate scale requires free function to be implemented */
static void rs_free(void *mvm_rate)
{
return;
}
-static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta,
- void *mvm_sta)
+static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta)
{
struct iwl_op_mode *op_mode __maybe_unused = mvm_r;
struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode);
@@ -3586,7 +3579,7 @@ static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta,
}
#ifdef CONFIG_MAC80211_DEBUGFS
-int rs_pretty_print_rate(char *buf, const u32 rate)
+int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate)
{
char *type, *bw;
@@ -3597,10 +3590,10 @@ int rs_pretty_print_rate(char *buf, const u32 rate)
!(rate & RATE_MCS_VHT_MSK)) {
int index = iwl_hwrate_to_plcp_idx(rate);
- return sprintf(buf, "Legacy | ANT: %s Rate: %s Mbps\n",
- rs_pretty_ant(ant),
- index == IWL_RATE_INVALID ? "BAD" :
- iwl_rate_mcs[index].mbps);
+ return scnprintf(buf, bufsz, "Legacy | ANT: %s Rate: %s Mbps\n",
+ rs_pretty_ant(ant),
+ index == IWL_RATE_INVALID ? "BAD" :
+ iwl_rate_mcs[index].mbps);
}
if (rate & RATE_MCS_VHT_MSK) {
@@ -3634,12 +3627,13 @@ int rs_pretty_print_rate(char *buf, const u32 rate)
bw = "BAD BW";
}
- return sprintf(buf, "%s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s\n",
- type, rs_pretty_ant(ant), bw, mcs, nss,
- (rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ",
- (rate & RATE_MCS_STBC_MSK) ? "STBC " : "",
- (rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "",
- (rate & RATE_MCS_BF_MSK) ? "BF " : "");
+ return scnprintf(buf, bufsz,
+ "%s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s\n",
+ type, rs_pretty_ant(ant), bw, mcs, nss,
+ (rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ",
+ (rate & RATE_MCS_STBC_MSK) ? "STBC " : "",
+ (rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "",
+ (rate & RATE_MCS_BF_MSK) ? "BF " : "");
}
/**
@@ -3696,65 +3690,70 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
int desc = 0;
int i = 0;
ssize_t ret;
+ static const size_t bufsz = 2048;
struct iwl_lq_sta *lq_sta = file->private_data;
struct iwl_mvm_sta *mvmsta =
- container_of(lq_sta, struct iwl_mvm_sta, lq_sta);
+ container_of(lq_sta, struct iwl_mvm_sta, lq_sta.rs_drv);
struct iwl_mvm *mvm;
struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
struct rs_rate *rate = &tbl->rate;
u32 ss_params;
mvm = lq_sta->pers.drv;
- buff = kmalloc(2048, GFP_KERNEL);
+ buff = kmalloc(bufsz, GFP_KERNEL);
if (!buff)
return -ENOMEM;
- desc += sprintf(buff+desc, "sta_id %d\n", lq_sta->lq.sta_id);
- desc += sprintf(buff+desc, "failed=%d success=%d rate=0%lX\n",
- lq_sta->total_failed, lq_sta->total_success,
- lq_sta->active_legacy_rate);
- desc += sprintf(buff+desc, "fixed rate 0x%X\n",
- lq_sta->pers.dbg_fixed_rate);
- desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n",
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "sta_id %d\n", lq_sta->lq.sta_id);
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "failed=%d success=%d rate=0%lX\n",
+ lq_sta->total_failed, lq_sta->total_success,
+ lq_sta->active_legacy_rate);
+ desc += scnprintf(buff + desc, bufsz - desc, "fixed rate 0x%X\n",
+ lq_sta->pers.dbg_fixed_rate);
+ desc += scnprintf(buff + desc, bufsz - desc, "valid_tx_ant %s%s%s\n",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
- desc += sprintf(buff+desc, "lq type %s\n",
- (is_legacy(rate)) ? "legacy" :
- is_vht(rate) ? "VHT" : "HT");
+ desc += scnprintf(buff + desc, bufsz - desc, "lq type %s\n",
+ (is_legacy(rate)) ? "legacy" :
+ is_vht(rate) ? "VHT" : "HT");
if (!is_legacy(rate)) {
- desc += sprintf(buff + desc, " %s",
+ desc += scnprintf(buff + desc, bufsz - desc, " %s",
(is_siso(rate)) ? "SISO" : "MIMO2");
- desc += sprintf(buff + desc, " %s",
+ desc += scnprintf(buff + desc, bufsz - desc, " %s",
(is_ht20(rate)) ? "20MHz" :
(is_ht40(rate)) ? "40MHz" :
(is_ht80(rate)) ? "80MHz" :
(is_ht160(rate)) ? "160MHz" : "BAD BW");
- desc += sprintf(buff + desc, " %s %s %s %s\n",
+ desc += scnprintf(buff + desc, bufsz - desc, " %s %s %s %s\n",
(rate->sgi) ? "SGI" : "NGI",
(rate->ldpc) ? "LDPC" : "BCC",
(lq_sta->is_agg) ? "AGG on" : "",
(mvmsta->tlc_amsdu) ? "AMSDU on" : "");
}
- desc += sprintf(buff+desc, "last tx rate=0x%X\n",
+ desc += scnprintf(buff + desc, bufsz - desc, "last tx rate=0x%X\n",
lq_sta->last_rate_n_flags);
- desc += sprintf(buff+desc,
+ desc += scnprintf(buff + desc, bufsz - desc,
"general: flags=0x%X mimo-d=%d s-ant=0x%x d-ant=0x%x\n",
lq_sta->lq.flags,
lq_sta->lq.mimo_delim,
lq_sta->lq.single_stream_ant_msk,
lq_sta->lq.dual_stream_ant_msk);
- desc += sprintf(buff+desc,
+ desc += scnprintf(buff + desc, bufsz - desc,
"agg: time_limit=%d dist_start_th=%d frame_cnt_limit=%d\n",
le16_to_cpu(lq_sta->lq.agg_time_limit),
lq_sta->lq.agg_disable_start_th,
lq_sta->lq.agg_frame_cnt_limit);
- desc += sprintf(buff+desc, "reduced tpc=%d\n", lq_sta->lq.reduced_tpc);
+ desc += scnprintf(buff + desc, bufsz - desc, "reduced tpc=%d\n",
+ lq_sta->lq.reduced_tpc);
ss_params = le32_to_cpu(lq_sta->lq.ss_params);
- desc += sprintf(buff+desc, "single stream params: %s%s%s%s\n",
+ desc += scnprintf(buff + desc, bufsz - desc,
+ "single stream params: %s%s%s%s\n",
(ss_params & LQ_SS_PARAMS_VALID) ?
"VALID" : "INVALID",
(ss_params & LQ_SS_BFER_ALLOWED) ?
@@ -3763,7 +3762,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
", STBC" : "",
(ss_params & LQ_SS_FORCE) ?
", FORCE" : "");
- desc += sprintf(buff+desc,
+ desc += scnprintf(buff + desc, bufsz - desc,
"Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n",
lq_sta->lq.initial_rate_index[0],
lq_sta->lq.initial_rate_index[1],
@@ -3773,8 +3772,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
u32 r = le32_to_cpu(lq_sta->lq.rs_table[i]);
- desc += sprintf(buff+desc, " rate[%d] 0x%X ", i, r);
- desc += rs_pretty_print_rate(buff+desc, r);
+ desc += scnprintf(buff + desc, bufsz - desc,
+ " rate[%d] 0x%X ", i, r);
+ desc += rs_pretty_print_rate(buff + desc, bufsz - desc, r);
}
ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
@@ -3987,12 +3987,13 @@ static ssize_t iwl_dbgfs_ss_force_write(struct iwl_lq_sta *lq_sta, char *buf,
MVM_DEBUGFS_READ_WRITE_FILE_OPS(ss_force, 32);
-static void rs_add_debugfs(void *mvm, void *priv_sta, struct dentry *dir)
+static void rs_drv_add_sta_debugfs(void *mvm, void *priv_sta,
+ struct dentry *dir)
{
struct iwl_lq_sta *lq_sta = priv_sta;
struct iwl_mvm_sta *mvmsta;
- mvmsta = container_of(lq_sta, struct iwl_mvm_sta, lq_sta);
+ mvmsta = container_of(lq_sta, struct iwl_mvm_sta, lq_sta.rs_drv);
if (!mvmsta->vif)
return;
@@ -4014,7 +4015,7 @@ err:
IWL_ERR((struct iwl_mvm *)mvm, "Can't create debugfs entity\n");
}
-static void rs_remove_debugfs(void *mvm, void *mvm_sta)
+void rs_remove_sta_debugfs(void *mvm, void *mvm_sta)
{
}
#endif
@@ -4024,50 +4025,53 @@ static void rs_remove_debugfs(void *mvm, void *mvm_sta)
* the station is added. Since mac80211 calls this function before a
* station is added we ignore it.
*/
-static void rs_rate_init_stub(void *mvm_r,
- struct ieee80211_supported_band *sband,
- struct cfg80211_chan_def *chandef,
- struct ieee80211_sta *sta, void *mvm_sta)
+static void rs_rate_init_ops(void *mvm_r,
+ struct ieee80211_supported_band *sband,
+ struct cfg80211_chan_def *chandef,
+ struct ieee80211_sta *sta, void *mvm_sta)
{
}
-static const struct rate_control_ops rs_mvm_ops = {
+/* ops for rate scaling implemented in the driver */
+static const struct rate_control_ops rs_mvm_ops_drv = {
.name = RS_NAME,
- .tx_status = rs_mac80211_tx_status,
- .get_rate = rs_get_rate,
- .rate_init = rs_rate_init_stub,
+ .tx_status = rs_drv_mac80211_tx_status,
+ .get_rate = rs_drv_get_rate,
+ .rate_init = rs_rate_init_ops,
.alloc = rs_alloc,
.free = rs_free,
- .alloc_sta = rs_alloc_sta,
+ .alloc_sta = rs_drv_alloc_sta,
.free_sta = rs_free_sta,
- .rate_update = rs_rate_update,
+ .rate_update = rs_drv_rate_update,
#ifdef CONFIG_MAC80211_DEBUGFS
- .add_sta_debugfs = rs_add_debugfs,
- .remove_sta_debugfs = rs_remove_debugfs,
+ .add_sta_debugfs = rs_drv_add_sta_debugfs,
+ .remove_sta_debugfs = rs_remove_sta_debugfs,
#endif
};
+void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ enum nl80211_band band, bool init)
+{
+ if (iwl_mvm_has_tlc_offload(mvm))
+ rs_fw_rate_init(mvm, sta, band);
+ else
+ rs_drv_rate_init(mvm, sta, band, init);
+}
+
int iwl_mvm_rate_control_register(void)
{
- return ieee80211_rate_control_register(&rs_mvm_ops);
+ return ieee80211_rate_control_register(&rs_mvm_ops_drv);
}
void iwl_mvm_rate_control_unregister(void)
{
- ieee80211_rate_control_unregister(&rs_mvm_ops);
+ ieee80211_rate_control_unregister(&rs_mvm_ops_drv);
}
-/**
- * iwl_mvm_tx_protection - Gets LQ command, change it to enable/disable
- * Tx protection, according to this request and previous requests,
- * and send the LQ command.
- * @mvmsta: The station
- * @enable: Enable Tx protection?
- */
-int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
- bool enable)
+static int rs_drv_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+ bool enable)
{
- struct iwl_lq_cmd *lq = &mvmsta->lq_sta.lq;
+ struct iwl_lq_cmd *lq = &mvmsta->lq_sta.rs_drv.lq;
lockdep_assert_held(&mvm->mutex);
@@ -4083,3 +4087,17 @@ int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
return iwl_mvm_send_lq_cmd(mvm, lq, false);
}
+
+/**
+ * iwl_mvm_tx_protection - ask FW to enable RTS/CTS protection
+ * @mvmsta: The station
+ * @enable: Enable Tx protection?
+ */
+int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+ bool enable)
+{
+ if (iwl_mvm_has_tlc_offload(mvm))
+ return rs_fw_tx_protection(mvm, mvmsta, enable);
+ else
+ return rs_drv_tx_protection(mvm, mvmsta, enable);
+}