diff options
Diffstat (limited to 'package/kernel')
2 files changed, 182 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/972-ath10k_fix-crash-due-to-wrong-handling-of-peer_bw_rxnss_override-parameter.patch b/package/kernel/mac80211/patches/972-ath10k_fix-crash-due-to-wrong-handling-of-peer_bw_rxnss_override-parameter.patch new file mode 100644 index 0000000000..9dceea8f41 --- /dev/null +++ b/package/kernel/mac80211/patches/972-ath10k_fix-crash-due-to-wrong-handling-of-peer_bw_rxnss_override-parameter.patch @@ -0,0 +1,132 @@ +From: Sebastian Gottschall <s.gottsch...@dd-wrt.com> + +current handling of peer_bw_rxnss_override parameter is based on guessing the +VHT160/8080 capability by rx rate. this is wrong and may lead +to a non initialized peer_bw_rxnss_override parameter which is required since +VHT160 operation mode only supports 2x2 chainmasks in addition the original code +initialized the parameter with wrong masked values. +This patch uses the peer phymode and peer nss information for correct +initialisation of the peer_bw_rxnss_override parameter. +if this peer information is not available, we initialize the parameter by +minimum nss which is suggested by QCA as temporary workaround according +to the QCA sourcecodes. + +Signed-off-by: Sebastian Gottschall <s.gottsch...@dd-wrt.com> + +v2: remove debug messages +v3: apply some cosmetics, update documentation +v4: fix compile warning and truncate nss to maximum of 2x2 since current +chipsets only support 2x2 at vht160 +v5: handle maximum nss for chipsets supportig vht160 with 1x1 only +v7: use more simple code variant and take care about hw/sw chainmask +configuration +--- + drivers/net/wireless/ath/ath10k/mac.c | 40 +++++++++++++++------------ + drivers/net/wireless/ath/ath10k/wmi.c | 7 +---- + drivers/net/wireless/ath/ath10k/wmi.h | 14 +++++++++- + 3 files changed, 36 insertions(+), 25 deletions(-) + +--- a/drivers/net/wireless/ath/ath10k/mac.c ++++ b/drivers/net/wireless/ath/ath10k/mac.c +@@ -2466,7 +2466,7 @@ static void ath10k_peer_assoc_h_vht(stru + const u16 *vht_mcs_mask; + u8 ampdu_factor; + u8 max_nss, vht_mcs; +- int i; ++ int i, nss160; + + if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) + return; +@@ -2526,23 +2526,27 @@ static void ath10k_peer_assoc_h_vht(stru + __le16_to_cpu(vht_cap->vht_mcs.tx_highest); + arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit( + __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask); ++ arg->peer_bw_rxnss_override = 0; ++ nss160 = 1; /* 1x1 default config for VHT160 */ + +- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n", +- sta->addr, arg->peer_max_mpdu, arg->peer_flags); +- +- if (arg->peer_vht_rates.rx_max_rate && +- (sta->vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK)) { +- switch (arg->peer_vht_rates.rx_max_rate) { +- case 1560: +- /* Must be 2x2 at 160Mhz is all it can do. */ +- arg->peer_bw_rxnss_override = 2; +- break; +- case 780: +- /* Can only do 1x1 at 160Mhz (Long Guard Interval) */ +- arg->peer_bw_rxnss_override = 1; +- break; +- } ++ /* only 4x4 configuration do support 2x2 for VHT160, everything else must use 1x1 */ ++ if (ar->cfg_rx_chainmask == 15) ++ nss160 = arg->peer_num_spatial_streams <= 2 ? arg->peer_num_spatial_streams : 2; ++ ++ /* in case if peer is connected with vht160 or vht80+80, we need to properly adjust rxnss parameters otherwise firmware will raise a assert */ ++ switch(arg->peer_phymode) { ++ case MODE_11AC_VHT80_80: ++ arg->peer_bw_rxnss_override = BW_NSS_FWCONF_80_80(nss160); ++ /* fall through */ ++ case MODE_11AC_VHT160: ++ arg->peer_bw_rxnss_override |= BW_NSS_FWCONF_160(nss160); ++ break; ++ default: ++ break; + } ++ ++ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x peer_bw_rxnss_override 0x%x\n", ++ sta->addr, arg->peer_max_mpdu, arg->peer_flags, arg->peer_bw_rxnss_override); + } + + static void ath10k_peer_assoc_h_qos(struct ath10k *ar, +@@ -2694,9 +2698,9 @@ static int ath10k_peer_assoc_prepare(str + ath10k_peer_assoc_h_crypto(ar, vif, sta, arg); + ath10k_peer_assoc_h_rates(ar, vif, sta, arg); + ath10k_peer_assoc_h_ht(ar, vif, sta, arg); ++ ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); + ath10k_peer_assoc_h_vht(ar, vif, sta, arg); + ath10k_peer_assoc_h_qos(ar, vif, sta, arg); +- ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); + + return 0; + } +--- a/drivers/net/wireless/ath/ath10k/wmi.c ++++ b/drivers/net/wireless/ath/ath10k/wmi.c +@@ -6760,12 +6760,7 @@ ath10k_wmi_peer_assoc_fill_10_4(struct a + struct wmi_10_4_peer_assoc_complete_cmd *cmd = buf; + + ath10k_wmi_peer_assoc_fill_10_2(ar, buf, arg); +- if (arg->peer_bw_rxnss_override) +- cmd->peer_bw_rxnss_override = +- __cpu_to_le32((arg->peer_bw_rxnss_override - 1) | +- BIT(PEER_BW_RXNSS_OVERRIDE_OFFSET)); +- else +- cmd->peer_bw_rxnss_override = 0; ++ cmd->peer_bw_rxnss_override = __cpu_to_le32(arg->peer_bw_rxnss_override); + } + + static int +--- a/drivers/net/wireless/ath/ath10k/wmi.h ++++ b/drivers/net/wireless/ath/ath10k/wmi.h +@@ -6209,7 +6209,19 @@ struct wmi_10_2_peer_assoc_complete_cmd + __le32 info0; /* WMI_PEER_ASSOC_INFO0_ */ + } __packed; + +-#define PEER_BW_RXNSS_OVERRIDE_OFFSET 31 ++#define BW_NSS_FWCONF_MAP_ENABLE (1 << 31) ++#define BW_NSS_FWCONF_MAP_160MHZ_S (0) ++#define BW_NSS_FWCONF_MAP_160MHZ_M (0x00000007) ++#define BW_NSS_FWCONF_MAP_80_80MHZ_S (3) ++#define BW_NSS_FWCONF_MAP_80_80MHZ_M (0x00000038) ++#define BW_NSS_FWCONF_MAP_M (0x0000003F) ++ ++#define GET_BW_NSS_FWCONF_160(x) ((((x) & BW_NSS_FWCONF_MAP_160MHZ_M) >> BW_NSS_FWCONF_MAP_160MHZ_S) + 1) ++#define GET_BW_NSS_FWCONF_80_80(x) ((((x) & BW_NSS_FWCONF_MAP_80_80MHZ_M) >> BW_NSS_FWCONF_MAP_80_80MHZ_S) + 1) ++ ++/* Values defined to set 160 MHz Bandwidth NSS Mapping into FW*/ ++#define BW_NSS_FWCONF_160(x) (BW_NSS_FWCONF_MAP_ENABLE | (((x - 1) << BW_NSS_FWCONF_MAP_160MHZ_S) & BW_NSS_FWCONF_MAP_160MHZ_M)) ++#define BW_NSS_FWCONF_80_80(x) (BW_NSS_FWCONF_MAP_ENABLE | (((x - 1) << BW_NSS_FWCONF_MAP_80_80MHZ_S) & BW_NSS_FWCONF_MAP_80_80MHZ_M)) + + struct wmi_10_4_peer_assoc_complete_cmd { + struct wmi_10_2_peer_assoc_complete_cmd cmd; diff --git a/package/kernel/mac80211/patches/973-ath10k_fix-band_center_freq-handling-for-VHT160-in-recent-firmwares.patch b/package/kernel/mac80211/patches/973-ath10k_fix-band_center_freq-handling-for-VHT160-in-recent-firmwares.patch new file mode 100644 index 0000000000..c8f79b815a --- /dev/null +++ b/package/kernel/mac80211/patches/973-ath10k_fix-band_center_freq-handling-for-VHT160-in-recent-firmwares.patch @@ -0,0 +1,50 @@ +From: Sebastian Gottschall <s.gottschall@dd-wrt.com> + +starting with firmware 10.4.3.4.x series QCA changed the handling of the channel property band_center_freq1 and band_center_freq2 in vht160 operation mode +likelly for backward compatiblity with vht80 only capable clients. +this patch adjusts the handling to get vht160 to work again with official qca firmwares newer than 3.3 +consider that this patch will not work with older firmwares anymore. to avoid undefined behaviour this we disable vht160 capability for outdated firmwares +--- + drivers/net/wireless/ath/ath10k/mac.c | 7 ------- + drivers/net/wireless/ath/ath10k/wmi.c | 11 ++++++++--- + 2 files changed, 8 insertions(+), 10 deletions(-) +--- a/drivers/net/wireless/ath/ath10k/mac.c ++++ b/drivers/net/wireless/ath/ath10k/mac.c +@@ -4416,13 +4416,6 @@ static struct ieee80211_sta_vht_cap ath1 + vht_cap.cap |= val; + } + +- /* Currently the firmware seems to be buggy, don't enable 80+80 +- * mode until that's resolved. +- */ +- if ((ar->vht_cap_info & IEEE80211_VHT_CAP_SHORT_GI_160) && +- (ar->vht_cap_info & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) == 0) +- vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; +- + mcs_map = 0; + for (i = 0; i < 8; i++) { + if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i))) +--- a/drivers/net/wireless/ath/ath10k/wmi.c ++++ b/drivers/net/wireless/ath/ath10k/wmi.c +@@ -1660,13 +1660,18 @@ void ath10k_wmi_put_wmi_channel(struct w + flags |= WMI_CHAN_FLAG_HT40_PLUS; + if (arg->chan_radar) + flags |= WMI_CHAN_FLAG_DFS; +- ++ ch->band_center_freq2 = 0; + ch->mhz = __cpu_to_le32(arg->freq); + ch->band_center_freq1 = __cpu_to_le32(arg->band_center_freq1); + if (arg->mode == MODE_11AC_VHT80_80) + ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq2); +- else +- ch->band_center_freq2 = 0; ++ if (arg->mode == MODE_11AC_VHT160) { ++ if (arg->freq < arg->band_center_freq1) ++ ch->band_center_freq1 = __cpu_to_le32(arg->band_center_freq1 - 40); ++ else ++ ch->band_center_freq1 = __cpu_to_le32(arg->band_center_freq1 + 40); ++ ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq1); ++ } + ch->min_power = arg->min_power; + ch->max_power = arg->max_power; + ch->reg_power = arg->max_reg_power; |