diff options
| -rw-r--r-- | include/net/mac80211.h | 6 | ||||
| -rw-r--r-- | net/mac80211/cfg.c | 15 | ||||
| -rw-r--r-- | net/mac80211/driver-ops.h | 18 | ||||
| -rw-r--r-- | net/mac80211/driver-trace.h | 27 |
4 files changed, 57 insertions, 9 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 8aad6b37c68..63f75a06043 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1822,6 +1822,10 @@ enum ieee80211_ampdu_mlme_action { * * @tx_frames_pending: Check if there is any pending frame in the hardware * queues before entering power save. + * + * @set_bitrate_mask: Set a mask of rates to be used for rate control selection + * when transmitting a frame. Currently only legacy rates are handled. + * The callback can sleep. */ struct ieee80211_ops { void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb); @@ -1910,6 +1914,8 @@ struct ieee80211_ops { void (*get_ringparam)(struct ieee80211_hw *hw, u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max); bool (*tx_frames_pending)(struct ieee80211_hw *hw); + int (*set_bitrate_mask)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + const struct cfg80211_bitrate_mask *mask); }; /** diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index a9ddaf63ee1..12d52cec951 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1633,16 +1633,13 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - int i; - - /* - * This _could_ be supported by providing a hook for - * drivers for this function, but at this point it - * doesn't seem worth bothering. - */ - if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) - return -EOPNOTSUPP; + int i, ret; + if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { + ret = drv_set_bitrate_mask(local, sdata, mask); + if (ret) + return ret; + } for (i = 0; i < IEEE80211_NUM_BANDS; i++) sdata->rc_rateidx_mask[i] = mask->control[i].legacy; diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 00a0685f240..2ddb56e5b51 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -565,4 +565,22 @@ static inline bool drv_tx_frames_pending(struct ieee80211_local *local) return ret; } + +static inline int drv_set_bitrate_mask(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + const struct cfg80211_bitrate_mask *mask) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + trace_drv_set_bitrate_mask(local, sdata, mask); + if (local->ops->set_bitrate_mask) + ret = local->ops->set_bitrate_mask(&local->hw, + &sdata->vif, mask); + trace_drv_return_int(local, ret); + + return ret; +} + #endif /* __MAC80211_DRIVER_OPS */ diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h index c8c934d48b7..191e834ec46 100644 --- a/net/mac80211/driver-trace.h +++ b/net/mac80211/driver-trace.h @@ -989,6 +989,33 @@ DEFINE_EVENT(local_only_evt, drv_offchannel_tx_cancel_wait, TP_ARGS(local) ); +TRACE_EVENT(drv_set_bitrate_mask, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + const struct cfg80211_bitrate_mask *mask), + + TP_ARGS(local, sdata, mask), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + __field(u32, legacy_2g) + __field(u32, legacy_5g) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + __entry->legacy_2g = mask->control[IEEE80211_BAND_2GHZ].legacy; + __entry->legacy_5g = mask->control[IEEE80211_BAND_5GHZ].legacy; + ), + + TP_printk( + LOCAL_PR_FMT VIF_PR_FMT " 2G Mask:0x%x 5G Mask:0x%x", + LOCAL_PR_ARG, VIF_PR_ARG, __entry->legacy_2g, __entry->legacy_5g + ) +); + /* * Tracing for API calls that drivers call. */ |