diff options
Diffstat (limited to 'package/mac80211/patches/550-ath9k_per_chain_signal_strength.patch')
-rw-r--r-- | package/mac80211/patches/550-ath9k_per_chain_signal_strength.patch | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/package/mac80211/patches/550-ath9k_per_chain_signal_strength.patch b/package/mac80211/patches/550-ath9k_per_chain_signal_strength.patch deleted file mode 100644 index 47cc252e8..000000000 --- a/package/mac80211/patches/550-ath9k_per_chain_signal_strength.patch +++ /dev/null @@ -1,374 +0,0 @@ ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -687,6 +687,9 @@ enum mac80211_rx_flags { - * @mactime: value in microseconds of the 64-bit Time Synchronization Function - * (TSF) timer when the first data symbol (MPDU) arrived at the hardware. - * @band: the active band when this frame was received -+ * @chains: bitmask of receive chains for which separate signal strength -+ * values were filled. -+ * @chain_signal: per-chain signal strength, same format as @signal - * @freq: frequency the radio was tuned to when receiving this frame, in MHz - * @signal: signal strength when receiving this frame, either in dBm, in dB or - * unspecified depending on the hardware capabilities flags -@@ -700,6 +703,10 @@ enum mac80211_rx_flags { - struct ieee80211_rx_status { - u64 mactime; - enum ieee80211_band band; -+ -+ u8 chains; -+ s8 chain_signal[4]; -+ - int freq; - int signal; - int antenna; ---- a/net/mac80211/sta_info.h -+++ b/net/mac80211/sta_info.h -@@ -313,6 +313,11 @@ struct sta_info { - unsigned long rx_dropped; - int last_signal; - struct ewma avg_signal; -+ -+ u8 chains; -+ s8 chain_signal_last[4]; -+ struct ewma chain_signal_avg[4]; -+ - /* Plus 1 for non-QoS frames */ - __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES + 1]; - ---- a/net/mac80211/rx.c -+++ b/net/mac80211/rx.c -@@ -1271,6 +1271,7 @@ ieee80211_rx_h_sta_process(struct ieee80 - struct sk_buff *skb = rx->skb; - struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -+ int i; - - if (!sta) - return RX_CONTINUE; -@@ -1315,6 +1316,19 @@ ieee80211_rx_h_sta_process(struct ieee80 - ewma_add(&sta->avg_signal, -status->signal); - } - -+ if (status->chains) { -+ sta->chains = status->chains; -+ for (i = 0; i < 4; i++) { -+ int signal = status->chain_signal[i]; -+ -+ if (!(status->chains & BIT(i))) -+ continue; -+ -+ sta->chain_signal_last[i] = signal; -+ ewma_add(&sta->chain_signal_avg[i], -signal); -+ } -+ } -+ - /* - * Change STA power saving mode only at the end of a frame - * exchange sequence. ---- a/net/mac80211/sta_info.c -+++ b/net/mac80211/sta_info.c -@@ -256,6 +256,8 @@ struct sta_info *sta_info_alloc(struct i - do_posix_clock_monotonic_gettime(&uptime); - sta->last_connected = uptime.tv_sec; - ewma_init(&sta->avg_signal, 1024, 8); -+ for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++) -+ ewma_init(&sta->chain_signal_avg[i], 1024, 8); - - if (sta_prepare_rate_control(local, sta, gfp)) { - kfree(sta); ---- a/include/net/cfg80211.h -+++ b/include/net/cfg80211.h -@@ -518,6 +518,8 @@ struct station_parameters { - * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled - * @STATION_INFO_STA_FLAGS: @sta_flags filled - * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled -+ * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled -+ * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled - */ - enum station_info_flags { - STATION_INFO_INACTIVE_TIME = 1<<0, -@@ -539,7 +541,9 @@ enum station_info_flags { - STATION_INFO_CONNECTED_TIME = 1<<16, - STATION_INFO_ASSOC_REQ_IES = 1<<17, - STATION_INFO_STA_FLAGS = 1<<18, -- STATION_INFO_BEACON_LOSS_COUNT = 1<<19 -+ STATION_INFO_BEACON_LOSS_COUNT = 1<<19, -+ STATION_INFO_CHAIN_SIGNAL = 1<<20, -+ STATION_INFO_CHAIN_SIGNAL_AVG = 1<<21, - }; - - /** -@@ -619,6 +623,9 @@ struct sta_bss_parameters { - * @plink_state: mesh peer link state - * @signal: signal strength of last received packet in dBm - * @signal_avg: signal strength average in dBm -+ * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg -+ * @chain_signal: per-chain signal strength of last received packet in dBm -+ * @chain_signal_avg: per-chain signal strength average in dBm - * @txrate: current unicast bitrate from this station - * @rxrate: current unicast bitrate to this station - * @rx_packets: packets received from this station -@@ -650,6 +657,11 @@ struct station_info { - u8 plink_state; - s8 signal; - s8 signal_avg; -+ -+ u8 chains; -+ s8 chain_signal[4]; -+ s8 chain_signal_avg[4]; -+ - struct rate_info txrate; - struct rate_info rxrate; - u32 rx_packets; ---- a/drivers/net/wireless/ath/ath9k/mac.h -+++ b/drivers/net/wireless/ath/ath9k/mac.h -@@ -133,12 +133,8 @@ struct ath_rx_status { - u8 rs_rate; - u8 rs_antenna; - u8 rs_more; -- int8_t rs_rssi_ctl0; -- int8_t rs_rssi_ctl1; -- int8_t rs_rssi_ctl2; -- int8_t rs_rssi_ext0; -- int8_t rs_rssi_ext1; -- int8_t rs_rssi_ext2; -+ int8_t rs_rssi_ctl[3]; -+ int8_t rs_rssi_ext[3]; - u8 rs_isaggr; - u8 rs_moreaggr; - u8 rs_num_delims; ---- a/drivers/net/wireless/ath/ath9k/recv.c -+++ b/drivers/net/wireless/ath/ath9k/recv.c -@@ -986,6 +986,7 @@ static int ath9k_rx_skb_preprocess(struc - bool *decrypt_error) - { - struct ath_hw *ah = common->ah; -+ int i, j; - - /* - * everything but the rate is checked here, the rate check is done -@@ -1011,6 +1012,20 @@ static int ath9k_rx_skb_preprocess(struc - if (rx_stats->rs_moreaggr) - rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; - -+ for (i = 0, j = 0; i < ARRAY_SIZE(rx_stats->rs_rssi_ctl); i++) { -+ s8 rssi; -+ -+ if (!(ah->rxchainmask & BIT(i))) -+ continue; -+ -+ rssi = rx_stats->rs_rssi_ctl[i]; -+ if (rssi != ATH9K_RSSI_BAD) { -+ rx_status->chains |= BIT(j); -+ rx_status->chain_signal[j] = ah->noise + rssi; -+ } -+ j++; -+ } -+ - return 0; - } - -@@ -1541,14 +1556,14 @@ static void ath_ant_comb_scan(struct ath - struct ath_ant_comb *antcomb = &sc->ant_comb; - int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set; - int curr_main_set; -- int main_rssi = rs->rs_rssi_ctl0; -- int alt_rssi = rs->rs_rssi_ctl1; -+ int main_rssi = rs->rs_rssi_ctl[0]; -+ int alt_rssi = rs->rs_rssi_ctl[1]; - int rx_ant_conf, main_ant_conf; - bool short_scan = false; - -- rx_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_CURRENT_SHIFT) & -+ rx_ant_conf = (rs->rs_rssi_ctl[2] >> ATH_ANT_RX_CURRENT_SHIFT) & - ATH_ANT_RX_MASK; -- main_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_MAIN_SHIFT) & -+ main_ant_conf = (rs->rs_rssi_ctl[2] >> ATH_ANT_RX_MAIN_SHIFT) & - ATH_ANT_RX_MASK; - - /* Record packet only when both main_rssi and alt_rssi is positive */ ---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -@@ -453,12 +453,12 @@ int ath9k_hw_process_rxdesc_edma(struct - - /* XXX: Keycache */ - rxs->rs_rssi = MS(rxsp->status5, AR_RxRSSICombined); -- rxs->rs_rssi_ctl0 = MS(rxsp->status1, AR_RxRSSIAnt00); -- rxs->rs_rssi_ctl1 = MS(rxsp->status1, AR_RxRSSIAnt01); -- rxs->rs_rssi_ctl2 = MS(rxsp->status1, AR_RxRSSIAnt02); -- rxs->rs_rssi_ext0 = MS(rxsp->status5, AR_RxRSSIAnt10); -- rxs->rs_rssi_ext1 = MS(rxsp->status5, AR_RxRSSIAnt11); -- rxs->rs_rssi_ext2 = MS(rxsp->status5, AR_RxRSSIAnt12); -+ rxs->rs_rssi_ctl[0] = MS(rxsp->status1, AR_RxRSSIAnt00); -+ rxs->rs_rssi_ctl[1] = MS(rxsp->status1, AR_RxRSSIAnt01); -+ rxs->rs_rssi_ctl[2] = MS(rxsp->status1, AR_RxRSSIAnt02); -+ rxs->rs_rssi_ext[0] = MS(rxsp->status5, AR_RxRSSIAnt10); -+ rxs->rs_rssi_ext[1] = MS(rxsp->status5, AR_RxRSSIAnt11); -+ rxs->rs_rssi_ext[2] = MS(rxsp->status5, AR_RxRSSIAnt12); - - if (rxsp->status11 & AR_RxKeyIdxValid) - rxs->rs_keyix = MS(rxsp->status11, AR_KeyIdx); ---- a/drivers/net/wireless/ath/ath9k/mac.c -+++ b/drivers/net/wireless/ath/ath9k/mac.c -@@ -556,25 +556,25 @@ int ath9k_hw_rxprocdesc(struct ath_hw *a - - if (ads.ds_rxstatus8 & AR_PostDelimCRCErr) { - rs->rs_rssi = ATH9K_RSSI_BAD; -- rs->rs_rssi_ctl0 = ATH9K_RSSI_BAD; -- rs->rs_rssi_ctl1 = ATH9K_RSSI_BAD; -- rs->rs_rssi_ctl2 = ATH9K_RSSI_BAD; -- rs->rs_rssi_ext0 = ATH9K_RSSI_BAD; -- rs->rs_rssi_ext1 = ATH9K_RSSI_BAD; -- rs->rs_rssi_ext2 = ATH9K_RSSI_BAD; -+ rs->rs_rssi_ctl[0] = ATH9K_RSSI_BAD; -+ rs->rs_rssi_ctl[1] = ATH9K_RSSI_BAD; -+ rs->rs_rssi_ctl[2] = ATH9K_RSSI_BAD; -+ rs->rs_rssi_ext[0] = ATH9K_RSSI_BAD; -+ rs->rs_rssi_ext[1] = ATH9K_RSSI_BAD; -+ rs->rs_rssi_ext[2] = ATH9K_RSSI_BAD; - } else { - rs->rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined); -- rs->rs_rssi_ctl0 = MS(ads.ds_rxstatus0, -+ rs->rs_rssi_ctl[0] = MS(ads.ds_rxstatus0, - AR_RxRSSIAnt00); -- rs->rs_rssi_ctl1 = MS(ads.ds_rxstatus0, -+ rs->rs_rssi_ctl[1] = MS(ads.ds_rxstatus0, - AR_RxRSSIAnt01); -- rs->rs_rssi_ctl2 = MS(ads.ds_rxstatus0, -+ rs->rs_rssi_ctl[2] = MS(ads.ds_rxstatus0, - AR_RxRSSIAnt02); -- rs->rs_rssi_ext0 = MS(ads.ds_rxstatus4, -+ rs->rs_rssi_ext[0] = MS(ads.ds_rxstatus4, - AR_RxRSSIAnt10); -- rs->rs_rssi_ext1 = MS(ads.ds_rxstatus4, -+ rs->rs_rssi_ext[1] = MS(ads.ds_rxstatus4, - AR_RxRSSIAnt11); -- rs->rs_rssi_ext2 = MS(ads.ds_rxstatus4, -+ rs->rs_rssi_ext[2] = MS(ads.ds_rxstatus4, - AR_RxRSSIAnt12); - } - if (ads.ds_rxstatus8 & AR_RxKeyIdxValid) ---- a/drivers/net/wireless/ath/ath9k/debug.c -+++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -993,12 +993,12 @@ void ath_debug_stat_rx(struct ath_softc - #ifdef CONFIG_ATH9K_MAC_DEBUG - spin_lock(&sc->debug.samp_lock); - RX_SAMP_DBG(jiffies) = jiffies; -- RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; -- RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1; -- RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2; -- RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0; -- RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1; -- RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2; -+ RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl[0]; -+ RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl[1]; -+ RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl[2]; -+ RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext[0]; -+ RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext[1]; -+ RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext[2]; - RX_SAMP_DBG(antenna) = rs->rs_antenna; - RX_SAMP_DBG(rssi) = rs->rs_rssi; - RX_SAMP_DBG(rate) = rs->rs_rate; ---- a/include/linux/nl80211.h -+++ b/include/linux/nl80211.h -@@ -1661,6 +1661,8 @@ enum nl80211_sta_bss_param { - * @NL80211_STA_INFO_CONNECTED_TIME: time since the station is last connected - * @NL80211_STA_INFO_STA_FLAGS: Contains a struct nl80211_sta_flag_update. - * @NL80211_STA_INFO_BEACON_LOSS: count of times beacon loss was detected (u32) -+ * @NL80211_STA_INFO_CHAIN_SIGNAL: per-chain signal strength of last PPDU -+ * @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average - * @__NL80211_STA_INFO_AFTER_LAST: internal - * @NL80211_STA_INFO_MAX: highest possible station info attribute - */ -@@ -1684,6 +1686,8 @@ enum nl80211_sta_info { - NL80211_STA_INFO_CONNECTED_TIME, - NL80211_STA_INFO_STA_FLAGS, - NL80211_STA_INFO_BEACON_LOSS, -+ NL80211_STA_INFO_CHAIN_SIGNAL, -+ NL80211_STA_INFO_CHAIN_SIGNAL_AVG, - - /* keep last */ - __NL80211_STA_INFO_AFTER_LAST, ---- a/net/wireless/nl80211.c -+++ b/net/wireless/nl80211.c -@@ -2376,6 +2376,33 @@ nla_put_failure: - return false; - } - -+static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, -+ int id) -+{ -+ void *attr; -+ int i = 0; -+ -+ if (!mask) -+ return true; -+ -+ attr = nla_nest_start(msg, id); -+ if (!attr) -+ goto nla_put_failure; -+ -+ for (i = 0; i < 4; i++) { -+ if (!(mask & BIT(i))) -+ continue; -+ -+ NLA_PUT_U8(msg, i, signal[i]); -+ } -+ -+ nla_nest_end(msg, attr); -+ -+ 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) -@@ -2422,6 +2449,18 @@ static int nl80211_send_station(struct s - if (sinfo->filled & STATION_INFO_SIGNAL_AVG) - NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, - sinfo->signal_avg); -+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { -+ if (!nl80211_put_signal(msg, sinfo->chains, -+ sinfo->chain_signal, -+ NL80211_STA_INFO_CHAIN_SIGNAL)) -+ goto nla_put_failure; -+ } -+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { -+ if (!nl80211_put_signal(msg, sinfo->chains, -+ sinfo->chain_signal_avg, -+ NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) -+ goto nla_put_failure; -+ } - if (sinfo->filled & STATION_INFO_TX_BITRATE) { - if (!nl80211_put_sta_rate(msg, &sinfo->txrate, - NL80211_STA_INFO_TX_BITRATE)) ---- a/net/mac80211/cfg.c -+++ b/net/mac80211/cfg.c -@@ -340,6 +340,7 @@ static void sta_set_sinfo(struct sta_inf - { - struct ieee80211_sub_if_data *sdata = sta->sdata; - struct timespec uptime; -+ int i; - - sinfo->generation = sdata->local->sta_generation; - -@@ -377,6 +378,17 @@ static void sta_set_sinfo(struct sta_inf - sinfo->signal = (s8)sta->last_signal; - sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); - } -+ if (sta->chains) { -+ sinfo->filled |= STATION_INFO_CHAIN_SIGNAL | -+ STATION_INFO_CHAIN_SIGNAL_AVG; -+ -+ sinfo->chains = sta->chains; -+ for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) { -+ sinfo->chain_signal[i] = sta->chain_signal_last[i]; -+ sinfo->chain_signal_avg[i] = -+ (s8) -ewma_read(&sta->chain_signal_avg[i]); -+ } -+ } - - sinfo->txrate.flags = 0; - if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) |