diff options
author | Alex Shi <alex.shi@linaro.org> | 2015-04-18 13:08:20 +0800 |
---|---|---|
committer | Alex Shi <alex.shi@linaro.org> | 2015-04-18 13:08:20 +0800 |
commit | b060bcac5b8549066aa827b6236b0412dcb7d7b3 (patch) | |
tree | d9ade8aa9104e83a314730b2ec2a1adc5cd5cffe /net | |
parent | d551f37d757c5d0463dfa175a2885fd9f2063a12 (diff) | |
parent | 667ea3959654ae48ef303df13f2635fd07766cb4 (diff) |
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-rt
Diffstat (limited to 'net')
-rw-r--r-- | net/mac80211/ieee80211_i.h | 23 | ||||
-rw-r--r-- | net/mac80211/rx.c | 3 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 10 |
3 files changed, 30 insertions, 6 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index bf7a1bbb975f..e278c64572de 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -57,13 +57,24 @@ struct ieee80211_local; #define IEEE80211_UNSET_POWER_LEVEL INT_MIN /* - * Some APs experience problems when working with U-APSD. Decrease the - * probability of that happening by using legacy mode for all ACs but VO. - * The AP that caused us trouble was a Cisco 4410N. It ignores our - * setting, and always treats non-VO ACs as legacy. + * Some APs experience problems when working with U-APSD. Decreasing the + * probability of that happening by using legacy mode for all ACs but VO isn't + * enough. + * + * Cisco 4410N originally forced us to enable VO by default only because it + * treated non-VO ACs as legacy. + * + * However some APs (notably Netgear R7000) silently reclassify packets to + * different ACs. Since u-APSD ACs require trigger frames for frame retrieval + * clients would never see some frames (e.g. ARP responses) or would fetch them + * accidentally after a long time. + * + * It makes little sense to enable u-APSD queues by default because it needs + * userspace applications to be aware of it to actually take advantage of the + * possible additional powersavings. Implicitly depending on driver autotrigger + * frame support doesn't make much sense. */ -#define IEEE80211_DEFAULT_UAPSD_QUEUES \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VO +#define IEEE80211_DEFAULT_UAPSD_QUEUES 0 #define IEEE80211_DEFAULT_MAX_SP_LEN \ IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index d96aea0c05ef..638b48e325f9 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2107,6 +2107,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) hdr = (struct ieee80211_hdr *) skb->data; mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); + if (ieee80211_drop_unencrypted(rx, hdr->frame_control)) + return RX_DROP_MONITOR; + /* frame is in RMC, don't forward */ if (ieee80211_is_data(hdr->frame_control) && is_multicast_ether_addr(hdr->addr1) && diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 18d73df72531..c260243dbe07 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4190,6 +4190,16 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) return -EINVAL; + /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT + * as userspace might just pass through the capabilities from the IEs + * directly, rather than enforcing this restriction and returning an + * error in this case. + */ + if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { + params.ht_capa = NULL; + params.vht_capa = NULL; + } + /* When you run into this, adjust the code below for the new flag */ BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); |