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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.c89
1 files changed, 49 insertions, 40 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 739c47dbc6e8..3dd6535ed922 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%.
@@ -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);
@@ -2857,8 +2855,9 @@ 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 iwl_op_mode *op_mode = mvm_r;
struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode);
@@ -2900,8 +2899,8 @@ 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;
@@ -3037,7 +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));
@@ -3105,8 +3104,8 @@ 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;
@@ -3188,16 +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;
@@ -3564,14 +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);
@@ -3982,7 +3980,8 @@ 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;
@@ -4009,7 +4008,7 @@ 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
@@ -4019,37 +4018,47 @@ 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 (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TLC_OFFLOAD))
+ 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);
}
/**