diff options
| -rw-r--r-- | package/mac80211/patches/540-mac80211_add_rx_rate.patch | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/package/mac80211/patches/540-mac80211_add_rx_rate.patch b/package/mac80211/patches/540-mac80211_add_rx_rate.patch new file mode 100644 index 0000000000..b15bd95769 --- /dev/null +++ b/package/mac80211/patches/540-mac80211_add_rx_rate.patch @@ -0,0 +1,232 @@ +--- a/include/net/cfg80211.h ++++ b/include/net/cfg80211.h +@@ -414,7 +414,7 @@ struct station_parameters { + * @STATION_INFO_PLID: @plid filled + * @STATION_INFO_PLINK_STATE: @plink_state filled + * @STATION_INFO_SIGNAL: @signal filled +- * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled ++ * @STATION_INFO_TX_BITRATE: @txrate fields are filled + * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs) + * @STATION_INFO_RX_PACKETS: @rx_packets filled + * @STATION_INFO_TX_PACKETS: @tx_packets filled +@@ -422,6 +422,7 @@ struct station_parameters { + * @STATION_INFO_TX_FAILED: @tx_failed filled + * @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled + * @STATION_INFO_SIGNAL_AVG: @signal_avg filled ++ * @STATION_INFO_RX_BITRATE: @rxrate fields are filled + */ + enum station_info_flags { + STATION_INFO_INACTIVE_TIME = 1<<0, +@@ -438,6 +439,7 @@ enum station_info_flags { + STATION_INFO_TX_FAILED = 1<<11, + STATION_INFO_RX_DROP_MISC = 1<<12, + STATION_INFO_SIGNAL_AVG = 1<<13, ++ STATION_INFO_RX_BITRATE = 1<<14, + }; + + /** +@@ -507,6 +509,7 @@ struct station_info { + s8 signal; + s8 signal_avg; + struct rate_info txrate; ++ struct rate_info rxrate; + u32 rx_packets; + u32 tx_packets; + u32 tx_retries; +--- a/include/linux/nl80211.h ++++ b/include/linux/nl80211.h +@@ -1243,6 +1243,8 @@ enum nl80211_rate_info { + * @NL80211_STA_INFO_LLID: the station's mesh LLID + * @NL80211_STA_INFO_PLID: the station's mesh PLID + * @NL80211_STA_INFO_PLINK_STATE: peer link state for the station ++ * @NL80211_STA_INFO_RX_BITRATE: last unicast rx rate, nested attribute ++ * containing info as possible, see &enum nl80211_sta_info_txrate. + * @__NL80211_STA_INFO_AFTER_LAST: internal + * @NL80211_STA_INFO_MAX: highest possible station info attribute + */ +@@ -1261,6 +1263,7 @@ enum nl80211_sta_info { + NL80211_STA_INFO_TX_RETRIES, + NL80211_STA_INFO_TX_FAILED, + NL80211_STA_INFO_SIGNAL_AVG, ++ NL80211_STA_INFO_RX_BITRATE, + + /* keep last */ + __NL80211_STA_INFO_AFTER_LAST, +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -1968,13 +1968,41 @@ static int parse_station_flags(struct ge + return 0; + } + ++static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, ++ int attr) ++{ ++ struct nlattr *rate; ++ u16 bitrate; ++ ++ rate = nla_nest_start(msg, attr); ++ if (!rate) ++ goto nla_put_failure; ++ ++ /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ ++ bitrate = cfg80211_calculate_bitrate(info); ++ if (bitrate > 0) ++ NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); ++ ++ if (info->flags & RATE_INFO_FLAGS_MCS) ++ NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs); ++ if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ++ NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); ++ if (info->flags & RATE_INFO_FLAGS_SHORT_GI) ++ NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); ++ ++ nla_nest_end(msg, rate); ++ return true; ++ ++nla_put_failure: ++ return false; ++} ++ + static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, + int flags, struct net_device *dev, + const u8 *mac_addr, struct station_info *sinfo) + { + void *hdr; +- struct nlattr *sinfoattr, *txrate; +- u16 bitrate; ++ struct nlattr *sinfoattr; + + hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); + if (!hdr) +@@ -2013,24 +2041,14 @@ static int nl80211_send_station(struct s + NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, + sinfo->signal_avg); + if (sinfo->filled & STATION_INFO_TX_BITRATE) { +- txrate = nla_nest_start(msg, NL80211_STA_INFO_TX_BITRATE); +- if (!txrate) ++ if (!nl80211_put_sta_rate(msg, &sinfo->txrate, ++ NL80211_STA_INFO_TX_BITRATE)) ++ goto nla_put_failure; ++ } ++ if (sinfo->filled & STATION_INFO_RX_BITRATE) { ++ if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, ++ NL80211_STA_INFO_RX_BITRATE)) + goto nla_put_failure; +- +- /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ +- bitrate = cfg80211_calculate_bitrate(&sinfo->txrate); +- if (bitrate > 0) +- NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); +- +- if (sinfo->txrate.flags & RATE_INFO_FLAGS_MCS) +- NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, +- sinfo->txrate.mcs); +- if (sinfo->txrate.flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) +- NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); +- if (sinfo->txrate.flags & RATE_INFO_FLAGS_SHORT_GI) +- NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); +- +- nla_nest_end(msg, txrate); + } + if (sinfo->filled & STATION_INFO_RX_PACKETS) + NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, +--- a/net/mac80211/sta_info.h ++++ b/net/mac80211/sta_info.h +@@ -209,6 +209,8 @@ enum plink_state { + * @rate_ctrl_priv: rate control private per-STA pointer + * @last_tx_rate: rate used for last transmit, to report to userspace as + * "the" transmit rate ++ * @last_rx_rate_idx: rx status rate index of the last data packet ++ * @last_rx_rate_flag: rx status flag of the last data packet + * @lock: used for locking all fields that require locking, see comments + * in the header file. + * @flaglock: spinlock for flags accesses +@@ -311,6 +313,8 @@ struct sta_info { + unsigned long tx_bytes; + unsigned long tx_fragments; + struct ieee80211_tx_rate last_tx_rate; ++ int last_rx_rate_idx; ++ int last_rx_rate_flag; + u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; + + /* +--- a/net/mac80211/rx.c ++++ b/net/mac80211/rx.c +@@ -1166,14 +1166,23 @@ ieee80211_rx_h_sta_process(struct ieee80 + if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) { + u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len, + NL80211_IFTYPE_ADHOC); +- if (compare_ether_addr(bssid, rx->sdata->u.ibss.bssid) == 0) ++ if (compare_ether_addr(bssid, rx->sdata->u.ibss.bssid) == 0) { + sta->last_rx = jiffies; ++ if (ieee80211_is_data(hdr->frame_control)) { ++ sta->last_rx_rate_idx = status->rate_idx; ++ sta->last_rx_rate_flag = status->flag; ++ } ++ } + } else if (!is_multicast_ether_addr(hdr->addr1)) { + /* + * Mesh beacons will update last_rx when if they are found to + * match the current local configuration when processed. + */ + sta->last_rx = jiffies; ++ if (ieee80211_is_data(hdr->frame_control)) { ++ sta->last_rx_rate_idx = status->rate_idx; ++ sta->last_rx_rate_flag = status->flag; ++ } + } + + if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) +--- a/net/mac80211/cfg.c ++++ b/net/mac80211/cfg.c +@@ -316,6 +316,17 @@ static int ieee80211_config_default_mgmt + return 0; + } + ++static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) ++{ ++ if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { ++ struct ieee80211_supported_band *sband; ++ sband = sta->local->hw.wiphy->bands[ ++ sta->local->hw.conf.channel->band]; ++ rate->legacy = sband->bitrates[idx].bitrate; ++ } else ++ rate->mcs = idx; ++} ++ + static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) + { + struct ieee80211_sub_if_data *sdata = sta->sdata; +@@ -330,6 +341,7 @@ static void sta_set_sinfo(struct sta_inf + STATION_INFO_TX_RETRIES | + STATION_INFO_TX_FAILED | + STATION_INFO_TX_BITRATE | ++ STATION_INFO_RX_BITRATE | + STATION_INFO_RX_DROP_MISC; + + sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); +@@ -355,15 +367,16 @@ static void sta_set_sinfo(struct sta_inf + sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; + if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) + sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; ++ rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); + +- if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { +- struct ieee80211_supported_band *sband; +- sband = sta->local->hw.wiphy->bands[ +- sta->local->hw.conf.channel->band]; +- sinfo->txrate.legacy = +- sband->bitrates[sta->last_tx_rate.idx].bitrate; +- } else +- sinfo->txrate.mcs = sta->last_tx_rate.idx; ++ sinfo->rxrate.flags = 0; ++ if (sta->last_rx_rate_flag & RX_FLAG_HT) ++ sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; ++ if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) ++ sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; ++ if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) ++ sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; ++ rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); + + if (ieee80211_vif_is_mesh(&sdata->vif)) { + #ifdef CONFIG_MAC80211_MESH |