diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2014-11-19 00:10:42 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-11-19 19:15:50 +0100 |
| commit | f815e2b3c0126c26911cac72b837f03a31c0c2ed (patch) | |
| tree | a0ffb718bd301afbbee9d106f87e7b886dbc52f0 /net/mac80211 | |
| parent | nl80211: Broadcast CMD_NEW_INTERFACE and CMD_DEL_INTERFACE (diff) | |
| download | linux-dev-f815e2b3c0126c26911cac72b837f03a31c0c2ed.tar.xz linux-dev-f815e2b3c0126c26911cac72b837f03a31c0c2ed.zip | |
mac80211: notify drivers on sta rate table changes
This allows drivers with a firmware or chip-based rate lookup table to
use the most recent default rate selection without having to get it from
per-packet data or explicit ieee80211_get_tx_rate calls
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/driver-ops.h | 15 | ||||
| -rw-r--r-- | net/mac80211/rate.c | 3 | ||||
| -rw-r--r-- | net/mac80211/trace.h | 7 |
3 files changed, 25 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 5f5fc3f3ee7c..2ebc9ead9695 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -624,6 +624,21 @@ static inline void drv_sta_rc_update(struct ieee80211_local *local, trace_drv_return_void(local); } +static inline void drv_sta_rate_tbl_update(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta) +{ + sdata = get_bss_sdata(sdata); + if (!check_sdata_in_driver(sdata)) + return; + + trace_drv_sta_rate_tbl_update(local, sdata, sta); + if (local->ops->sta_rate_tbl_update) + local->ops->sta_rate_tbl_update(&local->hw, &sdata->vif, sta); + + trace_drv_return_void(local); +} + static inline int drv_conf_tx(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, u16 ac, const struct ieee80211_tx_queue_params *params) diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index f6fea67fcc5b..08ab7d6d1517 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -696,6 +696,7 @@ int rate_control_set_rates(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta, struct ieee80211_sta_rates *rates) { + struct sta_info *sta = container_of(pubsta, struct sta_info, sta); struct ieee80211_sta_rates *old; /* @@ -709,6 +710,8 @@ int rate_control_set_rates(struct ieee80211_hw *hw, if (old) kfree_rcu(old, rcu_head); + drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta); + return 0; } EXPORT_SYMBOL(rate_control_set_rates); diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index eb91505eb43e..85ccfbe863db 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -846,6 +846,13 @@ DEFINE_EVENT(sta_event, drv_sta_pre_rcu_remove, TP_ARGS(local, sdata, sta) ); +DEFINE_EVENT(sta_event, drv_sta_rate_tbl_update, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta), + TP_ARGS(local, sdata, sta) +); + TRACE_EVENT(drv_conf_tx, TP_PROTO(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, |