From b1f165083c6f26d84d5c62ce0184a1fb40561328 Mon Sep 17 00:00:00 2001 From: kaloz Date: Wed, 3 Dec 2008 10:21:20 +0000 Subject: [PATCH] add two patches for ath9k 802.11n AP mode git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13497 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../mac80211/patches/330-nl80211_ht40.patch | 303 ++++++++++++++++++ .../mac80211/patches/340-ath9k_ap_rc.patch | 210 ++++++++++++ 2 files changed, 513 insertions(+) create mode 100644 package/mac80211/patches/330-nl80211_ht40.patch create mode 100644 package/mac80211/patches/340-ath9k_ap_rc.patch diff --git a/package/mac80211/patches/330-nl80211_ht40.patch b/package/mac80211/patches/330-nl80211_ht40.patch new file mode 100644 index 000000000..267dd0b3e --- /dev/null +++ b/package/mac80211/patches/330-nl80211_ht40.patch @@ -0,0 +1,303 @@ +This patch adds new NL80211_CMD_SET_WIPHY attributes +NL80211_ATTR_WIPHY_FREQ and NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET to allow +userspace to set the operating channel (e.g., hostapd for AP mode). + +Signed-off-by: Jouni Malinen +Acked-by: Johannes Berg + + +Index: wireless-testing/include/linux/nl80211.h +=================================================================== +--- wireless-testing.orig/include/linux/nl80211.h 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/include/linux/nl80211.h 2008-11-26 15:16:59.000000000 +0200 +@@ -26,8 +26,9 @@ + * @NL80211_CMD_GET_WIPHY: request information about a wiphy or dump request + * to get a list of all present wiphys. + * @NL80211_CMD_SET_WIPHY: set wiphy parameters, needs %NL80211_ATTR_WIPHY or +- * %NL80211_ATTR_IFINDEX; can be used to set %NL80211_ATTR_WIPHY_NAME +- * and/or %NL80211_ATTR_WIPHY_TXQ_PARAMS. ++ * %NL80211_ATTR_IFINDEX; can be used to set %NL80211_ATTR_WIPHY_NAME, ++ * %NL80211_ATTR_WIPHY_TXQ_PARAMS, %NL80211_ATTR_WIPHY_FREQ, and/or ++ * %NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET. + * @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request + * or rename notification. Has attributes %NL80211_ATTR_WIPHY and + * %NL80211_ATTR_WIPHY_NAME. +@@ -180,6 +181,14 @@ + * /sys/class/ieee80211//index + * @NL80211_ATTR_WIPHY_NAME: wiphy name (used for renaming) + * @NL80211_ATTR_WIPHY_TXQ_PARAMS: a nested array of TX queue parameters ++ * @NL80211_ATTR_WIPHY_FREQ: frequency of the selected channel in MHz ++ * @NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET: included with NL80211_ATTR_WIPHY_FREQ ++ * if HT20 or HT40 are allowed (i.e., 802.11n disabled if not included): ++ * NL80211_SEC_CHAN_NO_HT = HT not allowed (i.e., same as not including ++ * this attribute) ++ * NL80211_SEC_CHAN_DISABLED = HT20 only ++ * NL80211_SEC_CHAN_BELOW = secondary channel is below the primary channel ++ * NL80211_SEC_CHAN_ABOVE = secondary channel is above the primary channel + * + * @NL80211_ATTR_IFINDEX: network interface index of the device to operate on + * @NL80211_ATTR_IFNAME: network interface name +@@ -315,6 +324,8 @@ + NL80211_ATTR_BSS_BASIC_RATES, + + NL80211_ATTR_WIPHY_TXQ_PARAMS, ++ NL80211_ATTR_WIPHY_FREQ, ++ NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET, + + /* add attributes here, update the policy in nl80211.c */ + +@@ -329,6 +340,8 @@ + #define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY + #define NL80211_ATTR_BSS_BASIC_RATES NL80211_ATTR_BSS_BASIC_RATES + #define NL80211_ATTR_WIPHY_TXQ_PARAMS NL80211_ATTR_WIPHY_TXQ_PARAMS ++#define NL80211_ATTR_WIPHY_FREQ NL80211_ATTR_WIPHY_FREQ ++#define NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET + + #define NL80211_MAX_SUPP_RATES 32 + #define NL80211_MAX_SUPP_REG_RULES 32 +@@ -742,4 +755,10 @@ + NL80211_TXQ_Q_BK + }; + ++enum nl80211_sec_chan_offset { ++ NL80211_SEC_CHAN_NO_HT /* No HT */, ++ NL80211_SEC_CHAN_DISABLED /* HT20 only */, ++ NL80211_SEC_CHAN_BELOW /* HT40- */, ++ NL80211_SEC_CHAN_ABOVE /* HT40+ */ ++}; + #endif /* __LINUX_NL80211_H */ +Index: wireless-testing/include/net/cfg80211.h +=================================================================== +--- wireless-testing.orig/include/net/cfg80211.h 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/include/net/cfg80211.h 2008-11-26 15:29:50.000000000 +0200 +@@ -392,6 +392,9 @@ + /* from net/wireless.h */ + struct wiphy; + ++/* from net/ieee80211.h */ ++struct ieee80211_channel; ++ + /** + * struct cfg80211_ops - backend description for wireless configuration + * +@@ -450,6 +453,8 @@ + * @change_bss: Modify parameters for a given BSS. + * + * @set_txq_params: Set TX queue parameters ++ * ++ * @set_channel: Set channel + */ + struct cfg80211_ops { + int (*add_virtual_intf)(struct wiphy *wiphy, char *name, +@@ -513,6 +518,10 @@ + + int (*set_txq_params)(struct wiphy *wiphy, + struct ieee80211_txq_params *params); ++ ++ int (*set_channel)(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_sec_chan_offset); + }; + + #endif /* __NET_CFG80211_H */ +Index: wireless-testing/net/mac80211/cfg.c +=================================================================== +--- wireless-testing.orig/net/mac80211/cfg.c 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/net/mac80211/cfg.c 2008-11-26 15:19:34.000000000 +0200 +@@ -1095,6 +1095,18 @@ + return 0; + } + ++static int ieee80211_set_channel(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_sec_chan_offset sec_chan_offset) ++{ ++ struct ieee80211_local *local = wiphy_priv(wiphy); ++ ++ local->oper_channel = chan; ++ local->oper_sec_chan_offset = sec_chan_offset; ++ ++ return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); ++} ++ + struct cfg80211_ops mac80211_config_ops = { + .add_virtual_intf = ieee80211_add_iface, + .del_virtual_intf = ieee80211_del_iface, +@@ -1122,4 +1134,5 @@ + #endif + .change_bss = ieee80211_change_bss, + .set_txq_params = ieee80211_set_txq_params, ++ .set_channel = ieee80211_set_channel, + }; +Index: wireless-testing/net/wireless/nl80211.c +=================================================================== +--- wireless-testing.orig/net/wireless/nl80211.c 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/net/wireless/nl80211.c 2008-11-26 15:31:31.000000000 +0200 +@@ -59,6 +59,8 @@ + [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, + .len = BUS_ID_SIZE-1 }, + [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, ++ [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, ++ [NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET] = { .type = NLA_U32 }, + + [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, + [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, +@@ -359,6 +361,61 @@ + } + } + ++ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { ++ enum nl80211_sec_chan_offset sec_chan_offset = ++ NL80211_SEC_CHAN_NO_HT; ++ struct ieee80211_channel *chan; ++ u32 freq, sec_freq; ++ ++ if (!rdev->ops->set_channel) { ++ result = -EOPNOTSUPP; ++ goto bad_res; ++ } ++ ++ if (info->attrs[NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET]) { ++ sec_chan_offset = nla_get_u32( ++ info->attrs[ ++ NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET]); ++ if (sec_chan_offset != NL80211_SEC_CHAN_NO_HT && ++ sec_chan_offset != NL80211_SEC_CHAN_DISABLED && ++ sec_chan_offset != NL80211_SEC_CHAN_BELOW && ++ sec_chan_offset != NL80211_SEC_CHAN_ABOVE) { ++ result = -EINVAL; ++ goto bad_res; ++ } ++ } ++ ++ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); ++ chan = ieee80211_get_channel(&rdev->wiphy, freq); ++ if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { ++ /* Primary channel not allowed */ ++ result = -EINVAL; ++ goto bad_res; ++ } ++ if (sec_chan_offset == NL80211_SEC_CHAN_BELOW) ++ sec_freq = freq - 20; ++ else if (sec_chan_offset == NL80211_SEC_CHAN_ABOVE) ++ sec_freq = freq + 20; ++ else ++ sec_freq = 0; ++ ++ if (sec_freq) { ++ struct ieee80211_channel *schan; ++ schan = ieee80211_get_channel(&rdev->wiphy, sec_freq); ++ if (!schan || schan->flags & IEEE80211_CHAN_DISABLED) { ++ /* Secondary channel not allowed */ ++ result = -EINVAL; ++ goto bad_res; ++ } ++ } ++ ++ result = rdev->ops->set_channel(&rdev->wiphy, chan, ++ sec_chan_offset); ++ if (result) ++ goto bad_res; ++ } ++ ++ + bad_res: + cfg80211_put_dev(rdev); + return result; +Index: wireless-testing/include/net/mac80211.h +=================================================================== +--- wireless-testing.orig/include/net/mac80211.h 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/include/net/mac80211.h 2008-11-26 15:15:47.000000000 +0200 +@@ -507,6 +507,9 @@ + + struct ieee80211_ht_conf { + bool enabled; ++ int sec_chan_offset; /* 0 = HT40 disabled; -1 = HT40 enabled, secondary ++ * channel below primary; 1 = HT40 enabled, ++ * secondary channel above primary */ + }; + + /** +Index: wireless-testing/net/mac80211/util.c +=================================================================== +--- wireless-testing.orig/net/mac80211/util.c 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/net/mac80211/util.c 2008-11-26 15:20:26.000000000 +0200 +@@ -641,6 +641,7 @@ + chan->flags & IEEE80211_CHAN_NO_IBSS) + return ret; + local->oper_channel = chan; ++ local->oper_sec_chan_offset = NL80211_SEC_CHAN_NO_HT; + + if (local->sw_scanning || local->hw_scanning) + ret = 0; +Index: wireless-testing/net/mac80211/ieee80211_i.h +=================================================================== +--- wireless-testing.orig/net/mac80211/ieee80211_i.h 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/net/mac80211/ieee80211_i.h 2008-11-26 15:20:12.000000000 +0200 +@@ -626,6 +626,7 @@ + struct delayed_work scan_work; + struct ieee80211_sub_if_data *scan_sdata; + struct ieee80211_channel *oper_channel, *scan_channel; ++ enum nl80211_sec_chan_offset oper_sec_chan_offset; + u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; + size_t scan_ssid_len; + struct list_head bss_list; +Index: wireless-testing/net/mac80211/main.c +=================================================================== +--- wireless-testing.orig/net/mac80211/main.c 2008-11-26 15:15:31.000000000 +0200 ++++ wireless-testing/net/mac80211/main.c 2008-11-26 15:29:09.000000000 +0200 +@@ -195,20 +195,42 @@ + struct ieee80211_channel *chan; + int ret = 0; + int power; ++ enum nl80211_sec_chan_offset sec_chan_offset; + + might_sleep(); + +- if (local->sw_scanning) ++ if (local->sw_scanning) { + chan = local->scan_channel; +- else ++ sec_chan_offset = NL80211_SEC_CHAN_NO_HT; ++ } else { + chan = local->oper_channel; ++ sec_chan_offset = local->oper_sec_chan_offset; ++ } + +- if (chan != local->hw.conf.channel) { ++ if (chan != local->hw.conf.channel || ++ sec_chan_offset != local->hw.conf.ht.sec_chan_offset) { + local->hw.conf.channel = chan; ++ switch (sec_chan_offset) { ++ case NL80211_SEC_CHAN_NO_HT: ++ local->hw.conf.ht.enabled = false; ++ local->hw.conf.ht.sec_chan_offset = 0; ++ break; ++ case NL80211_SEC_CHAN_DISABLED: ++ local->hw.conf.ht.enabled = true; ++ local->hw.conf.ht.sec_chan_offset = 0; ++ break; ++ case NL80211_SEC_CHAN_BELOW: ++ local->hw.conf.ht.enabled = true; ++ local->hw.conf.ht.sec_chan_offset = -1; ++ break; ++ case NL80211_SEC_CHAN_ABOVE: ++ local->hw.conf.ht.enabled = true; ++ local->hw.conf.ht.sec_chan_offset = 1; ++ break; ++ } + changed |= IEEE80211_CONF_CHANGE_CHANNEL; + } + +- + if (!local->hw.conf.power_level) + power = chan->max_power; + else + +-- +Jouni Malinen PGP id EFC895FA +-- +To unsubscribe from this list: send the line "unsubscribe linux-wireless" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html + diff --git a/package/mac80211/patches/340-ath9k_ap_rc.patch b/package/mac80211/patches/340-ath9k_ap_rc.patch new file mode 100644 index 000000000..d6bc232b7 --- /dev/null +++ b/package/mac80211/patches/340-ath9k_ap_rc.patch @@ -0,0 +1,210 @@ +Hostapd now passes the HT parameters through the config() +callback, use these to set the appropriate channel in AP mode. + +Signed-off-by: Sujith +--- +Note: This patch depends on [PATCHv2] nl80211: Add frequency configuration (including HT40) +posted by Jouni. + + drivers/net/wireless/ath9k/main.c | 60 ++++++++++++++++++++++++++---------- + drivers/net/wireless/ath9k/rc.c | 55 +++++++++++++++++++++++++++++---- + 2 files changed, 91 insertions(+), 24 deletions(-) + +diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c +index 6e103d5..d1ddb07 100644 +--- a/drivers/net/wireless/ath9k/main.c ++++ b/drivers/net/wireless/ath9k/main.c +@@ -622,35 +622,35 @@ static int ath_get_channel(struct ath_softc *sc, + return -1; + } + ++/* ext_chan_offset: (-1, 0, 1) (below, none, above) */ ++ + static u32 ath_get_extchanmode(struct ath_softc *sc, + struct ieee80211_channel *chan, +- struct ieee80211_bss_conf *bss_conf) ++ int ext_chan_offset, ++ enum ath9k_ht_macmode tx_chan_width) + { + u32 chanmode = 0; +- u8 ext_chan_offset = bss_conf->ht.secondary_channel_offset; +- enum ath9k_ht_macmode tx_chan_width = (bss_conf->ht.width_40_ok) ? +- ATH9K_HT_MACMODE_2040 : ATH9K_HT_MACMODE_20; + + switch (chan->band) { + case IEEE80211_BAND_2GHZ: +- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE) && ++ if ((ext_chan_offset == 0) && + (tx_chan_width == ATH9K_HT_MACMODE_20)) + chanmode = CHANNEL_G_HT20; +- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) && ++ if ((ext_chan_offset == 1) && + (tx_chan_width == ATH9K_HT_MACMODE_2040)) + chanmode = CHANNEL_G_HT40PLUS; +- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) && ++ if ((ext_chan_offset == -1) && + (tx_chan_width == ATH9K_HT_MACMODE_2040)) + chanmode = CHANNEL_G_HT40MINUS; + break; + case IEEE80211_BAND_5GHZ: +- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE) && ++ if ((ext_chan_offset == 0) && + (tx_chan_width == ATH9K_HT_MACMODE_20)) + chanmode = CHANNEL_A_HT20; +- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) && ++ if ((ext_chan_offset == 1) && + (tx_chan_width == ATH9K_HT_MACMODE_2040)) + chanmode = CHANNEL_A_HT40PLUS; +- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) && ++ if ((ext_chan_offset == -1) && + (tx_chan_width == ATH9K_HT_MACMODE_2040)) + chanmode = CHANNEL_A_HT40MINUS; + break; +@@ -841,6 +841,18 @@ static void ath9k_ht_conf(struct ath_softc *sc, + } + } + ++static inline int ath_sec_offset(u8 ext_offset) ++{ ++ if (ext_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE) ++ return 0; ++ else if (ext_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) ++ return 1; ++ else if (ext_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) ++ return -1; ++ ++ return 0; ++} ++ + static void ath9k_bss_assoc_info(struct ath_softc *sc, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf) +@@ -893,13 +905,14 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc, + } + + if (hw->conf.ht.enabled) { +- sc->sc_ah->ah_channels[pos].chanmode = +- ath_get_extchanmode(sc, curchan, bss_conf); ++ int offset = ++ ath_sec_offset(bss_conf->ht.secondary_channel_offset); ++ sc->tx_chan_width = (bss_conf->ht.width_40_ok) ? ++ ATH9K_HT_MACMODE_2040 : ATH9K_HT_MACMODE_20; + +- if (bss_conf->ht.width_40_ok) +- sc->tx_chan_width = ATH9K_HT_MACMODE_2040; +- else +- sc->tx_chan_width = ATH9K_HT_MACMODE_20; ++ sc->sc_ah->ah_channels[pos].chanmode = ++ ath_get_extchanmode(sc, curchan, ++ offset, sc->tx_chan_width); + } else { + sc->sc_ah->ah_channels[pos].chanmode = + (curchan->band == IEEE80211_BAND_2GHZ) ? +@@ -2172,9 +2185,22 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) + (curchan->band == IEEE80211_BAND_2GHZ) ? + CHANNEL_G : CHANNEL_A; + +- if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0) ++ if ((sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) && ++ (conf->ht.enabled)) { ++ sc->tx_chan_width = (!!conf->ht.sec_chan_offset) ? ++ ATH9K_HT_MACMODE_2040 : ATH9K_HT_MACMODE_20; ++ ++ sc->sc_ah->ah_channels[pos].chanmode = ++ ath_get_extchanmode(sc, curchan, ++ conf->ht.sec_chan_offset, ++ sc->tx_chan_width); ++ } ++ ++ if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0) { + DPRINTF(sc, ATH_DBG_FATAL, + "%s: Unable to set channel\n", __func__); ++ return -EINVAL; ++ } + } + + if (changed & IEEE80211_CONF_CHANGE_HT) +diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c +index 93dfea8..7c08583 100644 +--- a/drivers/net/wireless/ath9k/rc.c ++++ b/drivers/net/wireless/ath9k/rc.c +@@ -1304,6 +1304,38 @@ static void ath_rc_tx_status(struct ath_softc *sc, + xretries, long_retry); + } + ++static struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc, ++ enum ieee80211_band band, ++ bool is_ht, bool is_cw_40) ++{ ++ int mode = 0; ++ ++ switch(band) { ++ case IEEE80211_BAND_2GHZ: ++ mode = ATH9K_MODE_11G; ++ if (is_ht) ++ mode = ATH9K_MODE_11NG_HT20; ++ if (is_cw_40) ++ mode = ATH9K_MODE_11NG_HT40PLUS; ++ break; ++ case IEEE80211_BAND_5GHZ: ++ mode = ATH9K_MODE_11A; ++ if (is_ht) ++ mode = ATH9K_MODE_11NA_HT20; ++ if (is_cw_40) ++ mode = ATH9K_MODE_11NA_HT40PLUS; ++ break; ++ default: ++ DPRINTF(sc, ATH_DBG_RATE, "Invalid band\n"); ++ return NULL; ++ } ++ ++ BUG_ON(mode >= ATH9K_MODE_MAX); ++ ++ DPRINTF(sc, ATH_DBG_RATE, "Choosing rate table for mode: %d\n", mode); ++ return sc->hw_rate_table[mode]; ++} ++ + static void ath_rc_init(struct ath_softc *sc, + struct ath_rate_priv *ath_rc_priv, + struct ieee80211_supported_band *sband, +@@ -1314,16 +1346,25 @@ static void ath_rc_init(struct ath_softc *sc, + u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates; + u8 i, j, k, hi = 0, hthi = 0; + +- rate_table = sc->hw_rate_table[sc->sc_curmode]; ++ /* FIXME: Adhoc */ ++ if ((sc->sc_ah->ah_opmode == ATH9K_M_STA) || ++ (sc->sc_ah->ah_opmode == ATH9K_M_IBSS)) { ++ bool is_cw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; ++ rate_table = ath_choose_rate_table(sc, sband->band, ++ sta->ht_cap.ht_supported, ++ is_cw_40); ++ } else if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) { ++ /* sc_curmode would be set on init through config() */ ++ rate_table = sc->hw_rate_table[sc->sc_curmode]; ++ } + +- if (sta->ht_cap.ht_supported) { +- if (sband->band == IEEE80211_BAND_2GHZ) +- rate_table = sc->hw_rate_table[ATH9K_MODE_11NG_HT20]; +- else +- rate_table = sc->hw_rate_table[ATH9K_MODE_11NA_HT20]; ++ if (!rate_table) { ++ DPRINTF(sc, ATH_DBG_FATAL, "Rate table not initialized\n"); ++ return; ++ } + ++ if (sta->ht_cap.ht_supported) { + ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | WLAN_RC_DS_FLAG); +- + if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) + ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG; + } +-- +1.6.0.3 + +-- +To unsubscribe from this list: send the line "unsubscribe linux-wireless" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html + -- 2.20.1