From 5cda4a3e309faa314bab6297958db2413eeacdf3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 10 Mar 2019 21:34:09 +0100 Subject: [PATCH] mac80211: update and fix the patch to allow 4-byte aligned tx skbs Signed-off-by: Felix Fietkau --- ...-Enable-STBC-and-LDPC-for-VHT-Rates.patch} | 0 ...-remove-unnecessary-debugfs-cleanup.patch} | 0 ...-merge-with-minstrel_ht-always-enab.patch} | 0 ...rel-reduce-minstrel_mcs_groups-size.patch} | 86 +++-- ...-fix-using-short-preamble-CCK-rates.patch} | 0 ...el-fix-CCK-rate-group-streams-value.patch} | 0 ...-fix-sampling-reporting-of-CCK-rate.patch} | 0 ...-do-not-sample-rates-3-times-slower.patch} | 0 ...ry-accounting-with-A-MSDU-aggregati.patch} | 6 +- ..._ht-add-flag-to-indicate-missing-in.patch} | 17 +- ...211-add-hdrlen-to-ieee80211_tx_data.patch} | 23 +- ...1-add-TX_NEEDS_ALIGNED4_SKBS-hw-flag.patch | 304 ++++++++++++++++++ ...80211-add-NEED_ALIGNED4_SKBS-hw-flag.patch | 233 -------------- ...ow-4addr-AP-operation-on-crypto-cont.patch | 2 +- 14 files changed, 371 insertions(+), 300 deletions(-) rename package/kernel/mac80211/patches/subsys/{359-mac80211-minstrel-Enable-STBC-and-LDPC-for-VHT-Rates.patch => 303-mac80211-minstrel-Enable-STBC-and-LDPC-for-VHT-Rates.patch} (100%) rename package/kernel/mac80211/patches/subsys/{370-mac80211-minstrel-remove-unnecessary-debugfs-cleanup.patch => 304-mac80211-minstrel-remove-unnecessary-debugfs-cleanup.patch} (100%) rename package/kernel/mac80211/patches/subsys/{371-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch => 305-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch} (100%) rename package/kernel/mac80211/patches/subsys/{372-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch => 306-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch} (99%) rename package/kernel/mac80211/patches/subsys/{373-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch => 307-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch} (100%) rename package/kernel/mac80211/patches/subsys/{375-mac80211-minstrel-fix-CCK-rate-group-streams-value.patch => 308-mac80211-minstrel-fix-CCK-rate-group-streams-value.patch} (100%) rename package/kernel/mac80211/patches/subsys/{376-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch => 309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch} (100%) rename package/kernel/mac80211/patches/subsys/{377-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch => 310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch} (100%) rename package/kernel/mac80211/patches/subsys/{378-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch => 311-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch} (90%) rename package/kernel/mac80211/patches/subsys/{383-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch => 312-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch} (89%) rename package/kernel/mac80211/patches/subsys/{357-mac80211-add-hdrlen-to-ieee80211_tx_data.patch => 350-mac80211-add-hdrlen-to-ieee80211_tx_data.patch} (91%) create mode 100644 package/kernel/mac80211/patches/subsys/351-mac80211-add-TX_NEEDS_ALIGNED4_SKBS-hw-flag.patch delete mode 100644 package/kernel/mac80211/patches/subsys/358-mac80211-add-NEED_ALIGNED4_SKBS-hw-flag.patch diff --git a/package/kernel/mac80211/patches/subsys/359-mac80211-minstrel-Enable-STBC-and-LDPC-for-VHT-Rates.patch b/package/kernel/mac80211/patches/subsys/303-mac80211-minstrel-Enable-STBC-and-LDPC-for-VHT-Rates.patch similarity index 100% rename from package/kernel/mac80211/patches/subsys/359-mac80211-minstrel-Enable-STBC-and-LDPC-for-VHT-Rates.patch rename to package/kernel/mac80211/patches/subsys/303-mac80211-minstrel-Enable-STBC-and-LDPC-for-VHT-Rates.patch diff --git a/package/kernel/mac80211/patches/subsys/370-mac80211-minstrel-remove-unnecessary-debugfs-cleanup.patch b/package/kernel/mac80211/patches/subsys/304-mac80211-minstrel-remove-unnecessary-debugfs-cleanup.patch similarity index 100% rename from package/kernel/mac80211/patches/subsys/370-mac80211-minstrel-remove-unnecessary-debugfs-cleanup.patch rename to package/kernel/mac80211/patches/subsys/304-mac80211-minstrel-remove-unnecessary-debugfs-cleanup.patch diff --git a/package/kernel/mac80211/patches/subsys/371-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch b/package/kernel/mac80211/patches/subsys/305-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch similarity index 100% rename from package/kernel/mac80211/patches/subsys/371-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch rename to package/kernel/mac80211/patches/subsys/305-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch diff --git a/package/kernel/mac80211/patches/subsys/372-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch b/package/kernel/mac80211/patches/subsys/306-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch similarity index 99% rename from package/kernel/mac80211/patches/subsys/372-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch rename to package/kernel/mac80211/patches/subsys/306-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch index 02a0ca0a52..fa51f1be7e 100644 --- a/package/kernel/mac80211/patches/subsys/372-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch +++ b/package/kernel/mac80211/patches/subsys/306-mac80211-minstrel-reduce-minstrel_mcs_groups-size.patch @@ -136,82 +136,72 @@ Signed-off-by: Felix Fietkau - MCS_GROUP(1, 0, BW_20), - MCS_GROUP(2, 0, BW_20), - MCS_GROUP(3, 0, BW_20), -- -- MCS_GROUP(1, 1, BW_20), -- MCS_GROUP(2, 1, BW_20), -- MCS_GROUP(3, 1, BW_20), -- -- MCS_GROUP(1, 0, BW_40), -- MCS_GROUP(2, 0, BW_40), -- MCS_GROUP(3, 0, BW_40), -- -- MCS_GROUP(1, 1, BW_40), -- MCS_GROUP(2, 1, BW_40), -- MCS_GROUP(3, 1, BW_40), -- -- CCK_GROUP, -- -- VHT_GROUP(1, 0, BW_20), -- VHT_GROUP(2, 0, BW_20), -- VHT_GROUP(3, 0, BW_20), -- -- VHT_GROUP(1, 1, BW_20), -- VHT_GROUP(2, 1, BW_20), -- VHT_GROUP(3, 1, BW_20), -- -- VHT_GROUP(1, 0, BW_40), -- VHT_GROUP(2, 0, BW_40), -- VHT_GROUP(3, 0, BW_40), -- -- VHT_GROUP(1, 1, BW_40), -- VHT_GROUP(2, 1, BW_40), -- VHT_GROUP(3, 1, BW_40), -- -- VHT_GROUP(1, 0, BW_80), -- VHT_GROUP(2, 0, BW_80), -- VHT_GROUP(3, 0, BW_80), -- -- VHT_GROUP(1, 1, BW_80), -- VHT_GROUP(2, 1, BW_80), -- VHT_GROUP(3, 1, BW_80), + MCS_GROUP(1, 0, BW_20, 5), + MCS_GROUP(2, 0, BW_20, 4), + MCS_GROUP(3, 0, BW_20, 4), -+ + +- MCS_GROUP(1, 1, BW_20), +- MCS_GROUP(2, 1, BW_20), +- MCS_GROUP(3, 1, BW_20), + MCS_GROUP(1, 1, BW_20, 5), + MCS_GROUP(2, 1, BW_20, 4), + MCS_GROUP(3, 1, BW_20, 4), -+ + +- MCS_GROUP(1, 0, BW_40), +- MCS_GROUP(2, 0, BW_40), +- MCS_GROUP(3, 0, BW_40), + MCS_GROUP(1, 0, BW_40, 4), + MCS_GROUP(2, 0, BW_40, 4), + MCS_GROUP(3, 0, BW_40, 4), -+ + +- MCS_GROUP(1, 1, BW_40), +- MCS_GROUP(2, 1, BW_40), +- MCS_GROUP(3, 1, BW_40), + MCS_GROUP(1, 1, BW_40, 4), + MCS_GROUP(2, 1, BW_40, 4), + MCS_GROUP(3, 1, BW_40, 4), -+ + +- CCK_GROUP, + CCK_GROUP(8), -+ + +- VHT_GROUP(1, 0, BW_20), +- VHT_GROUP(2, 0, BW_20), +- VHT_GROUP(3, 0, BW_20), + VHT_GROUP(1, 0, BW_20, 5), + VHT_GROUP(2, 0, BW_20, 4), + VHT_GROUP(3, 0, BW_20, 4), -+ + +- VHT_GROUP(1, 1, BW_20), +- VHT_GROUP(2, 1, BW_20), +- VHT_GROUP(3, 1, BW_20), + VHT_GROUP(1, 1, BW_20, 5), + VHT_GROUP(2, 1, BW_20, 4), + VHT_GROUP(3, 1, BW_20, 4), -+ + +- VHT_GROUP(1, 0, BW_40), +- VHT_GROUP(2, 0, BW_40), +- VHT_GROUP(3, 0, BW_40), + VHT_GROUP(1, 0, BW_40, 4), + VHT_GROUP(2, 0, BW_40, 4), + VHT_GROUP(3, 0, BW_40, 4), -+ + +- VHT_GROUP(1, 1, BW_40), +- VHT_GROUP(2, 1, BW_40), +- VHT_GROUP(3, 1, BW_40), + VHT_GROUP(1, 1, BW_40, 4), + VHT_GROUP(2, 1, BW_40, 4), + VHT_GROUP(3, 1, BW_40, 4), -+ + +- VHT_GROUP(1, 0, BW_80), +- VHT_GROUP(2, 0, BW_80), +- VHT_GROUP(3, 0, BW_80), + VHT_GROUP(1, 0, BW_80, 4), + VHT_GROUP(2, 0, BW_80, 4), + VHT_GROUP(3, 0, BW_80, 4), -+ + +- VHT_GROUP(1, 1, BW_80), +- VHT_GROUP(2, 1, BW_80), +- VHT_GROUP(3, 1, BW_80), + VHT_GROUP(1, 1, BW_80, 4), + VHT_GROUP(2, 1, BW_80, 4), + VHT_GROUP(3, 1, BW_80, 4), diff --git a/package/kernel/mac80211/patches/subsys/373-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch b/package/kernel/mac80211/patches/subsys/307-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch similarity index 100% rename from package/kernel/mac80211/patches/subsys/373-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch rename to package/kernel/mac80211/patches/subsys/307-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch diff --git a/package/kernel/mac80211/patches/subsys/375-mac80211-minstrel-fix-CCK-rate-group-streams-value.patch b/package/kernel/mac80211/patches/subsys/308-mac80211-minstrel-fix-CCK-rate-group-streams-value.patch similarity index 100% rename from package/kernel/mac80211/patches/subsys/375-mac80211-minstrel-fix-CCK-rate-group-streams-value.patch rename to package/kernel/mac80211/patches/subsys/308-mac80211-minstrel-fix-CCK-rate-group-streams-value.patch diff --git a/package/kernel/mac80211/patches/subsys/376-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch b/package/kernel/mac80211/patches/subsys/309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch similarity index 100% rename from package/kernel/mac80211/patches/subsys/376-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch rename to package/kernel/mac80211/patches/subsys/309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch diff --git a/package/kernel/mac80211/patches/subsys/377-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch b/package/kernel/mac80211/patches/subsys/310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch similarity index 100% rename from package/kernel/mac80211/patches/subsys/377-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch rename to package/kernel/mac80211/patches/subsys/310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch diff --git a/package/kernel/mac80211/patches/subsys/378-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch b/package/kernel/mac80211/patches/subsys/311-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch similarity index 90% rename from package/kernel/mac80211/patches/subsys/378-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch rename to package/kernel/mac80211/patches/subsys/311-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch index 4e83ff1ea0..1fd2b25271 100644 --- a/package/kernel/mac80211/patches/subsys/378-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch +++ b/package/kernel/mac80211/patches/subsys/311-mac80211-fix-memory-accounting-with-A-MSDU-aggregati.patch @@ -22,7 +22,7 @@ Signed-off-by: Felix Fietkau --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c -@@ -3194,6 +3194,7 @@ static bool ieee80211_amsdu_aggregate(st +@@ -3185,6 +3185,7 @@ static bool ieee80211_amsdu_aggregate(st u8 max_subframes = sta->sta.max_amsdu_subframes; int max_frags = local->hw.max_tx_fragments; int max_amsdu_len = sta->sta.max_amsdu_len; @@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau __be16 len; void *data; bool ret = false; -@@ -3225,12 +3226,13 @@ static bool ieee80211_amsdu_aggregate(st +@@ -3216,12 +3217,13 @@ static bool ieee80211_amsdu_aggregate(st flow = fq_flow_classify(fq, tin, skb, fq_flow_get_default_func); head = skb_peek_tail(&flow->queue); if (!head) @@ -46,7 +46,7 @@ Signed-off-by: Felix Fietkau nfrags = 1 + skb_shinfo(skb)->nr_frags; nfrags += 1 + skb_shinfo(head)->nr_frags; -@@ -3288,6 +3290,9 @@ out_recalc: +@@ -3279,6 +3281,9 @@ out_recalc: fq_recalc_backlog(fq, tin, flow); } out: diff --git a/package/kernel/mac80211/patches/subsys/383-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch b/package/kernel/mac80211/patches/subsys/312-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch similarity index 89% rename from package/kernel/mac80211/patches/subsys/383-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch rename to package/kernel/mac80211/patches/subsys/312-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch index 5b12e87c84..f221d36bf8 100644 --- a/package/kernel/mac80211/patches/subsys/383-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch +++ b/package/kernel/mac80211/patches/subsys/312-mac80211-minstrel_ht-add-flag-to-indicate-missing-in.patch @@ -1,5 +1,5 @@ From: Felix Fietkau -Date: Wed, 16 Jan 2019 21:47:54 +0100 +Date: Wed, 16 Jan 2019 22:32:12 +0100 Subject: [PATCH] mac80211: minstrel_ht: add flag to indicate missing/inaccurate tx A-MPDU length @@ -9,13 +9,14 @@ to use a fixed value in its internal calculation (which gives better results than just defaulting to 1). Signed-off-by: Felix Fietkau +Signed-off-by: Johannes Berg --- --- a/include/net/mac80211.h +++ b/include/net/mac80211.h -@@ -2134,6 +2134,9 @@ struct ieee80211_txq { - * @IEEE80211_HW_NEEDS_ALIGNED4_SKBS: Driver need aligned skbs to four-byte. - * Padding will be added after ieee80211_hdr, before IV/LLC. +@@ -2131,6 +2131,9 @@ struct ieee80211_txq { + * @IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP: The driver (or firmware) doesn't + * support QoS NDP for AP probing - that's most likely a driver bug. * + * @IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN: Driver does not report accurate A-MPDU + * length in tx status information @@ -23,20 +24,20 @@ Signed-off-by: Felix Fietkau * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays */ enum ieee80211_hw_flags { -@@ -2180,6 +2183,7 @@ enum ieee80211_hw_flags { +@@ -2176,6 +2179,7 @@ enum ieee80211_hw_flags { + IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA, IEEE80211_HW_DEAUTH_NEED_MGD_TX_PREP, IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP, - IEEE80211_HW_NEEDS_ALIGNED4_SKBS, + IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN, /* keep last, obviously */ NUM_IEEE80211_HW_FLAGS --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c -@@ -215,6 +215,7 @@ static const char *hw_flag_names[] = { +@@ -214,6 +214,7 @@ static const char *hw_flag_names[] = { + FLAG(SUPPORTS_TDLS_BUFFER_STA), FLAG(DEAUTH_NEED_MGD_TX_PREP), FLAG(DOESNT_SUPPORT_QOS_NDP), - FLAG(NEEDS_ALIGNED4_SKBS), + FLAG(TX_STATUS_NO_AMPDU_LEN), #undef FLAG }; diff --git a/package/kernel/mac80211/patches/subsys/357-mac80211-add-hdrlen-to-ieee80211_tx_data.patch b/package/kernel/mac80211/patches/subsys/350-mac80211-add-hdrlen-to-ieee80211_tx_data.patch similarity index 91% rename from package/kernel/mac80211/patches/subsys/357-mac80211-add-hdrlen-to-ieee80211_tx_data.patch rename to package/kernel/mac80211/patches/subsys/350-mac80211-add-hdrlen-to-ieee80211_tx_data.patch index 2914461b41..0dfd0fbcfe 100644 --- a/package/kernel/mac80211/patches/subsys/357-mac80211-add-hdrlen-to-ieee80211_tx_data.patch +++ b/package/kernel/mac80211/patches/subsys/350-mac80211-add-hdrlen-to-ieee80211_tx_data.patch @@ -2,11 +2,11 @@ From: Janusz Dziedzic Date: Fri, 19 Feb 2016 11:01:49 +0100 Subject: [PATCH] mac80211: add hdrlen to ieee80211_tx_data -Add hdrlen to ieee80211_tx_data and use this -when wep/ccmd/tkip. This is preparation for -aligned4 code. +This is preparation for adding support for inserting padding between the +802.11 header and LLC data Signed-off-by: Janusz Dziedzic +Signed-off-by: Felix Fietkau --- --- a/net/mac80211/ieee80211_i.h @@ -48,19 +48,28 @@ Signed-off-by: Janusz Dziedzic if (likely(sta)) { if (!IS_ERR(sta)) tx->sta = sta; -@@ -3513,6 +3513,7 @@ begin: +@@ -3518,6 +3518,7 @@ begin: tx.local = local; tx.skb = skb; tx.sdata = vif_to_sdata(info->control.vif); -+ tx.hdrlen = ieee80211_padded_hdrlen(hw, hdr->frame_control); ++ tx.hdrlen = ieee80211_hdrlen(hdr->frame_control); if (txq->sta) tx.sta = container_of(txq->sta, struct sta_info, sta); -@@ -3850,6 +3851,7 @@ ieee80211_build_data_template(struct iee +@@ -3544,7 +3545,7 @@ begin: + + if (tx.key && + (tx.key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) +- pn_offs = ieee80211_hdrlen(hdr->frame_control); ++ pn_offs = tx.hdrlen; + + ieee80211_xmit_fast_finish(sta->sdata, sta, pn_offs, + tx.key, skb); +@@ -3855,6 +3856,7 @@ ieee80211_build_data_template(struct iee hdr = (void *)skb->data; tx.sta = sta_info_get(sdata, hdr->addr1); tx.skb = skb; -+ tx.hdrlen = ieee80211_padded_hdrlen(&tx.local->hw, hdr->frame_control); ++ tx.hdrlen = ieee80211_hdrlen(hdr->frame_control); if (ieee80211_tx_h_select_key(&tx) != TX_CONTINUE) { rcu_read_unlock(); diff --git a/package/kernel/mac80211/patches/subsys/351-mac80211-add-TX_NEEDS_ALIGNED4_SKBS-hw-flag.patch b/package/kernel/mac80211/patches/subsys/351-mac80211-add-TX_NEEDS_ALIGNED4_SKBS-hw-flag.patch new file mode 100644 index 0000000000..352246d592 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/351-mac80211-add-TX_NEEDS_ALIGNED4_SKBS-hw-flag.patch @@ -0,0 +1,304 @@ +From: Janusz Dziedzic +Date: Sun, 10 Mar 2019 17:22:08 +0100 +Subject: [PATCH] mac80211: add TX_NEEDS_ALIGNED4_SKBS hw flag + +The driver should set this flag if the hardware requires tx skb data +(starting with the LLC header) to be aligned to 4 bytes. + +Padding is added after ieee80211_hdr, before IV/LLC. + +Before this patch, we have to do memmove(hdrlen) twice in the driver: +Once before we pass this to HW and once again in tx completion +(to fix up the skb for monitor mode). + +With this patch we can skip this memmove() and thus reduce CPU cycles in +the data path. + +Signed-off-by: Janusz Dziedzic +Signed-off-by: Felix Fietkau +--- + +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -2134,6 +2134,9 @@ struct ieee80211_txq { + * @IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN: Driver does not report accurate A-MPDU + * length in tx status information + * ++ * @IEEE80211_HW_TX_NEEDS_ALIGNED4_SKBS: Driver need aligned skbs to four-byte. ++ * Padding will be added after ieee80211_hdr, before IV/LLC. ++ * + * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays + */ + enum ieee80211_hw_flags { +@@ -2180,6 +2183,7 @@ enum ieee80211_hw_flags { + IEEE80211_HW_DEAUTH_NEED_MGD_TX_PREP, + IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP, + IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN, ++ IEEE80211_HW_TX_NEEDS_ALIGNED4_SKBS, + + /* keep last, obviously */ + NUM_IEEE80211_HW_FLAGS +@@ -2462,6 +2466,40 @@ ieee80211_get_alt_retry_rate(const struc + void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); + + /** ++ * ieee80211_hdr_padsize - get size of padding between 802.11 header and LLC ++ * @hw: the hardware ++ * @hdrlen: 802.11 header length ++ */ ++static inline unsigned int ++ieee80211_hdr_padsize(struct ieee80211_hw *hw, unsigned int hdrlen) ++{ ++ /* ++ * While hdrlen is already aligned to two-byte boundaries, ++ * simple check with & 2 will return correct padsize. ++ */ ++ if (ieee80211_hw_check(hw, TX_NEEDS_ALIGNED4_SKBS)) ++ return hdrlen & 2; ++ return 0; ++} ++ ++/** ++ * ieee80211_padded_hdrlen - get padded 802.11 header size ++ * @hw: the hardware ++ * @fc: frame control field in little-endian format ++ */ ++static inline unsigned int ++ieee80211_padded_hdrlen(struct ieee80211_hw *hw, __le16 fc) ++{ ++ unsigned int hdrlen; ++ ++ hdrlen = ieee80211_hdrlen(fc); ++ hdrlen += ieee80211_hdr_padsize(hw, hdrlen); ++ ++ return hdrlen; ++} ++ ++ ++/** + * DOC: Hardware crypto acceleration + * + * mac80211 is capable of taking advantage of many hardware +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -1871,6 +1871,10 @@ int ieee80211_if_add(struct ieee80211_lo + + 8 /* rfc1042/bridge tunnel */ + - ETH_HLEN /* ethernet hard_header_len */ + + IEEE80211_ENCRYPT_HEADROOM; ++ ++ if (ieee80211_hw_check(&local->hw, TX_NEEDS_ALIGNED4_SKBS)) ++ ndev->needed_headroom += 2; /* padding */ ++ + ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM; + + ret = dev_alloc_name(ndev, ndev->name); +--- a/net/mac80211/mesh_pathtbl.c ++++ b/net/mac80211/mesh_pathtbl.c +@@ -103,13 +103,15 @@ void mesh_path_assign_nexthop(struct mes + static void prepare_for_gate(struct sk_buff *skb, char *dst_addr, + struct mesh_path *gate_mpath) + { ++ struct ieee80211_sub_if_data *sdata = gate_mpath->sdata; ++ struct ieee80211_hw *hw = &sdata->local->hw; + struct ieee80211_hdr *hdr; + struct ieee80211s_hdr *mshdr; + int mesh_hdrlen, hdrlen; + char *next_hop; + + hdr = (struct ieee80211_hdr *) skb->data; +- hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ hdrlen = ieee80211_padded_hdrlen(hw, hdr->frame_control); + mshdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); + + if (!(mshdr->flags & MESH_FLAGS_AE)) { +--- a/net/mac80211/rx.c ++++ b/net/mac80211/rx.c +@@ -2597,7 +2597,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80 + struct ieee80211_local *local = rx->local; + struct ieee80211_sub_if_data *sdata = rx->sdata; + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; +- u16 ac, q, hdrlen; ++ u16 ac, q, hdrlen, padsize; + int tailroom = 0; + + hdr = (struct ieee80211_hdr *) skb->data; +@@ -2688,7 +2688,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80 + if (sdata->crypto_tx_tailroom_needed_cnt) + tailroom = IEEE80211_ENCRYPT_TAILROOM; + +- fwd_skb = skb_copy_expand(skb, local->tx_headroom + ++ padsize = ieee80211_hdr_padsize(&local->hw, hdrlen); ++ ++ fwd_skb = skb_copy_expand(skb, local->tx_headroom + padsize + + sdata->encrypt_headroom, + tailroom, GFP_ATOMIC); + if (!fwd_skb) +@@ -2720,6 +2722,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80 + return RX_DROP_MONITOR; + } + ++ if (padsize) { ++ skb_push(fwd_skb, padsize); ++ memmove(fwd_skb->data, skb->data + padsize, hdrlen); ++ memset(fwd_skb->data + hdrlen, 0, padsize); ++ } ++ + IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_frames); + ieee80211_add_pending_skb(local, fwd_skb); + out: +--- a/net/mac80211/sta_info.h ++++ b/net/mac80211/sta_info.h +@@ -301,7 +301,7 @@ struct ieee80211_fast_tx { + u8 hdr_len; + u8 sa_offs, da_offs, pn_offs; + u8 band; +- u8 hdr[30 + 2 + IEEE80211_FAST_XMIT_MAX_IV + ++ u8 hdr[30 + 2 + 2 + IEEE80211_FAST_XMIT_MAX_IV + + sizeof(rfc1042_header)] __aligned(2); + + struct rcu_head rcu_head; +--- a/net/mac80211/status.c ++++ b/net/mac80211/status.c +@@ -515,6 +515,7 @@ static void ieee80211_report_used_skb(st + { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (void *)skb->data; ++ struct ieee80211_hw *hw = &local->hw; + bool acked = info->flags & IEEE80211_TX_STAT_ACK; + + if (dropped) +@@ -531,7 +532,7 @@ static void ieee80211_report_used_skb(st + skb->dev = NULL; + } else { + unsigned int hdr_size = +- ieee80211_hdrlen(hdr->frame_control); ++ ieee80211_padded_hdrlen(hw, hdr->frame_control); + + /* Check to see if packet is a TDLS teardown packet */ + if (ieee80211_is_data(hdr->frame_control) && +@@ -655,9 +656,22 @@ void ieee80211_tx_monitor(struct ieee802 + struct sk_buff *skb2; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_sub_if_data *sdata; ++ struct ieee80211_hdr *hdr = (void *)skb->data; + struct net_device *prev_dev = NULL; ++ unsigned int hdrlen, padsize; + int rtap_len; + ++ /* Remove padding if was added */ ++ if (ieee80211_hw_check(&local->hw, TX_NEEDS_ALIGNED4_SKBS)) { ++ hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ padsize = ieee80211_hdr_padsize(&local->hw, hdrlen); ++ ++ if (padsize && skb->len > hdrlen + padsize) { ++ memmove(skb->data + padsize, skb->data, hdrlen); ++ skb_pull(skb, padsize); ++ } ++ } ++ + /* send frame to monitor interfaces now */ + rtap_len = ieee80211_tx_radiotap_len(info); + if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) { +--- a/net/mac80211/tkip.c ++++ b/net/mac80211/tkip.c +@@ -201,10 +201,12 @@ void ieee80211_get_tkip_p2k(struct ieee8 + { + struct ieee80211_key *key = (struct ieee80211_key *) + container_of(keyconf, struct ieee80211_key, conf); ++ struct ieee80211_hw *hw = &key->local->hw; + const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY]; + struct tkip_ctx *ctx = &key->u.tkip.tx; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; +- const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control); ++ const u8 *data = (u8 *)hdr + ieee80211_padded_hdrlen(hw, ++ hdr->frame_control); + u32 iv32 = get_unaligned_le32(&data[4]); + u16 iv16 = data[2] | (data[0] << 8); + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1175,8 +1175,7 @@ ieee80211_tx_prepare(struct ieee80211_su + info->flags &= ~IEEE80211_TX_INTFL_NEED_TXPROCESSING; + + hdr = (struct ieee80211_hdr *) skb->data; +- +- tx->hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ tx->hdrlen = ieee80211_padded_hdrlen(&local->hw, hdr->frame_control); + + if (likely(sta)) { + if (!IS_ERR(sta)) +@@ -2215,7 +2214,7 @@ netdev_tx_t ieee80211_monitor_start_xmit + goto fail; + + hdr = (struct ieee80211_hdr *)(skb->data + len_rthdr); +- hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ hdrlen = ieee80211_padded_hdrlen(&local->hw, hdr->frame_control); + + if (skb->len < len_rthdr + hdrlen) + goto fail; +@@ -2433,7 +2432,7 @@ static struct sk_buff *ieee80211_build_h + struct ieee80211_chanctx_conf *chanctx_conf; + struct ieee80211_sub_if_data *ap_sdata; + enum nl80211_band band; +- int ret; ++ int padsize, ret; + + if (IS_ERR(sta)) + sta = NULL; +@@ -2732,7 +2731,9 @@ static struct sk_buff *ieee80211_build_h + } + + skb_pull(skb, skip_header_bytes); ++ padsize = ieee80211_hdr_padsize(&local->hw, hdrlen); + head_need = hdrlen + encaps_len + meshhdrlen - skb_headroom(skb); ++ head_need += padsize; + + /* + * So we need to modify the skb header and hence need a copy of +@@ -2765,6 +2766,9 @@ static struct sk_buff *ieee80211_build_h + memcpy(skb_push(skb, meshhdrlen), &mesh_hdr, meshhdrlen); + #endif + ++ if (padsize) ++ memset(skb_push(skb, padsize), 0, padsize); ++ + if (ieee80211_is_data_qos(fc)) { + __le16 *qos_control; + +@@ -2940,6 +2944,8 @@ void ieee80211_check_fast_xmit(struct st + fc |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA); + } + ++ build.hdr_len += ieee80211_hdr_padsize(&local->hw, build.hdr_len); ++ + /* We store the key here so there's no point in using rcu_dereference() + * but that's fine because the code that changes the pointers will call + * this function after doing so. For a single CPU that would be enough, +@@ -3518,7 +3524,7 @@ begin: + tx.local = local; + tx.skb = skb; + tx.sdata = vif_to_sdata(info->control.vif); +- tx.hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ tx.hdrlen = ieee80211_padded_hdrlen(hw, hdr->frame_control); + + if (txq->sta) + tx.sta = container_of(txq->sta, struct sta_info, sta); +@@ -3856,7 +3862,7 @@ ieee80211_build_data_template(struct iee + hdr = (void *)skb->data; + tx.sta = sta_info_get(sdata, hdr->addr1); + tx.skb = skb; +- tx.hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ tx.hdrlen = ieee80211_padded_hdrlen(&tx.local->hw, hdr->frame_control); + + if (ieee80211_tx_h_select_key(&tx) != TX_CONTINUE) { + rcu_read_unlock(); +--- a/net/mac80211/debugfs.c ++++ b/net/mac80211/debugfs.c +@@ -215,6 +215,7 @@ static const char *hw_flag_names[] = { + FLAG(DEAUTH_NEED_MGD_TX_PREP), + FLAG(DOESNT_SUPPORT_QOS_NDP), + FLAG(TX_STATUS_NO_AMPDU_LEN), ++ FLAG(TX_NEEDS_ALIGNED4_SKBS), + #undef FLAG + }; + diff --git a/package/kernel/mac80211/patches/subsys/358-mac80211-add-NEED_ALIGNED4_SKBS-hw-flag.patch b/package/kernel/mac80211/patches/subsys/358-mac80211-add-NEED_ALIGNED4_SKBS-hw-flag.patch deleted file mode 100644 index f4048b0420..0000000000 --- a/package/kernel/mac80211/patches/subsys/358-mac80211-add-NEED_ALIGNED4_SKBS-hw-flag.patch +++ /dev/null @@ -1,233 +0,0 @@ -From: Janusz Dziedzic -Date: Fri, 19 Feb 2016 11:01:50 +0100 -Subject: [PATCH] mac80211: add NEED_ALIGNED4_SKBS hw flag - -HW/driver should set NEED_ALIGNED4_SKBS flag in case -require aligned skbs to four-byte boundaries. -This affect only TX direction. - -Padding is added after ieee80211_hdr, before IV/LLC. - -Before we have to do memmove(hdrlen) twice in the -dirver. Once before we pass this to HW and next -in tx completion (to be sure monitor will report -this tx frame correctly). - -With this patch we can skip this memmove() and save CPU. - -Currently this was tested with ath9k, both hw/sw crypt for -wep/tkip/ccmp. - -Signed-off-by: Janusz Dziedzic ---- - ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -2131,6 +2131,9 @@ struct ieee80211_txq { - * @IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP: The driver (or firmware) doesn't - * support QoS NDP for AP probing - that's most likely a driver bug. - * -+ * @IEEE80211_HW_NEEDS_ALIGNED4_SKBS: Driver need aligned skbs to four-byte. -+ * Padding will be added after ieee80211_hdr, before IV/LLC. -+ * - * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays - */ - enum ieee80211_hw_flags { -@@ -2176,6 +2179,7 @@ enum ieee80211_hw_flags { - IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA, - IEEE80211_HW_DEAUTH_NEED_MGD_TX_PREP, - IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP, -+ IEEE80211_HW_NEEDS_ALIGNED4_SKBS, - - /* keep last, obviously */ - NUM_IEEE80211_HW_FLAGS ---- a/net/mac80211/debugfs.c -+++ b/net/mac80211/debugfs.c -@@ -214,6 +214,7 @@ static const char *hw_flag_names[] = { - FLAG(SUPPORTS_TDLS_BUFFER_STA), - FLAG(DEAUTH_NEED_MGD_TX_PREP), - FLAG(DOESNT_SUPPORT_QOS_NDP), -+ FLAG(NEEDS_ALIGNED4_SKBS), - #undef FLAG - }; - ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -1559,6 +1559,29 @@ ieee80211_vif_get_num_mcast_if(struct ie - return -1; - } - -+static inline unsigned int -+ieee80211_hdr_padsize(struct ieee80211_hw *hw, unsigned int hdrlen) -+{ -+ /* -+ * While hdrlen is already aligned to two-byte boundaries, -+ * simple check with & 2 will return correct padsize. -+ */ -+ if (ieee80211_hw_check(hw, NEEDS_ALIGNED4_SKBS)) -+ return hdrlen & 2; -+ return 0; -+} -+ -+static inline unsigned int -+ieee80211_padded_hdrlen(struct ieee80211_hw *hw, __le16 fc) -+{ -+ unsigned int hdrlen; -+ -+ hdrlen = ieee80211_hdrlen(fc); -+ hdrlen += ieee80211_hdr_padsize(hw, hdrlen); -+ -+ return hdrlen; -+} -+ - u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, - struct ieee80211_rx_status *status, - unsigned int mpdu_len, ---- a/net/mac80211/sta_info.h -+++ b/net/mac80211/sta_info.h -@@ -301,7 +301,7 @@ struct ieee80211_fast_tx { - u8 hdr_len; - u8 sa_offs, da_offs, pn_offs; - u8 band; -- u8 hdr[30 + 2 + IEEE80211_FAST_XMIT_MAX_IV + -+ u8 hdr[30 + 2 + 2 + IEEE80211_FAST_XMIT_MAX_IV + - sizeof(rfc1042_header)] __aligned(2); - - struct rcu_head rcu_head; ---- a/net/mac80211/status.c -+++ b/net/mac80211/status.c -@@ -655,9 +655,22 @@ void ieee80211_tx_monitor(struct ieee802 - struct sk_buff *skb2; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_sub_if_data *sdata; -+ struct ieee80211_hdr *hdr = (void *)skb->data; - struct net_device *prev_dev = NULL; -+ unsigned int hdrlen, padsize; - int rtap_len; - -+ /* Remove padding if was added */ -+ if (ieee80211_hw_check(&local->hw, NEEDS_ALIGNED4_SKBS)) { -+ hdrlen = ieee80211_hdrlen(hdr->frame_control); -+ padsize = ieee80211_hdr_padsize(&local->hw, hdrlen); -+ -+ if (padsize && skb->len > hdrlen + padsize) { -+ memmove(skb->data + padsize, skb->data, hdrlen); -+ skb_pull(skb, padsize); -+ } -+ } -+ - /* send frame to monitor interfaces now */ - rtap_len = ieee80211_tx_radiotap_len(info); - if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) { ---- a/net/mac80211/tkip.c -+++ b/net/mac80211/tkip.c -@@ -201,10 +201,12 @@ void ieee80211_get_tkip_p2k(struct ieee8 - { - struct ieee80211_key *key = (struct ieee80211_key *) - container_of(keyconf, struct ieee80211_key, conf); -+ struct ieee80211_hw *hw = &key->local->hw; - const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY]; - struct tkip_ctx *ctx = &key->u.tkip.tx; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -- const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control); -+ const u8 *data = (u8 *)hdr + ieee80211_padded_hdrlen(hw, -+ hdr->frame_control); - u32 iv32 = get_unaligned_le32(&data[4]); - u16 iv16 = data[2] | (data[0] << 8); - ---- a/net/mac80211/tx.c -+++ b/net/mac80211/tx.c -@@ -1175,8 +1175,7 @@ ieee80211_tx_prepare(struct ieee80211_su - info->flags &= ~IEEE80211_TX_INTFL_NEED_TXPROCESSING; - - hdr = (struct ieee80211_hdr *) skb->data; -- -- tx->hdrlen = ieee80211_hdrlen(hdr->frame_control); -+ tx->hdrlen = ieee80211_padded_hdrlen(&local->hw, hdr->frame_control); - - if (likely(sta)) { - if (!IS_ERR(sta)) -@@ -2215,7 +2214,7 @@ netdev_tx_t ieee80211_monitor_start_xmit - goto fail; - - hdr = (struct ieee80211_hdr *)(skb->data + len_rthdr); -- hdrlen = ieee80211_hdrlen(hdr->frame_control); -+ hdrlen = ieee80211_padded_hdrlen(&local->hw, hdr->frame_control); - - if (skb->len < len_rthdr + hdrlen) - goto fail; -@@ -2433,7 +2432,7 @@ static struct sk_buff *ieee80211_build_h - struct ieee80211_chanctx_conf *chanctx_conf; - struct ieee80211_sub_if_data *ap_sdata; - enum nl80211_band band; -- int ret; -+ int padsize, ret; - - if (IS_ERR(sta)) - sta = NULL; -@@ -2653,6 +2652,9 @@ static struct sk_buff *ieee80211_build_h - hdrlen += 2; - } - -+ /* Check aligned4 skb required */ -+ padsize = ieee80211_hdr_padsize(&sdata->local->hw, hdrlen); -+ - /* - * Drop unicast frames to unauthorised stations unless they are - * EAPOL frames from the local station. -@@ -2733,6 +2735,7 @@ static struct sk_buff *ieee80211_build_h - - skb_pull(skb, skip_header_bytes); - head_need = hdrlen + encaps_len + meshhdrlen - skb_headroom(skb); -+ head_need += padsize; - - /* - * So we need to modify the skb header and hence need a copy of -@@ -2765,6 +2768,9 @@ static struct sk_buff *ieee80211_build_h - memcpy(skb_push(skb, meshhdrlen), &mesh_hdr, meshhdrlen); - #endif - -+ if (padsize) -+ memset(skb_push(skb, padsize), 0, padsize); -+ - if (ieee80211_is_data_qos(fc)) { - __le16 *qos_control; - -@@ -2940,6 +2946,9 @@ void ieee80211_check_fast_xmit(struct st - fc |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA); - } - -+ /* Check aligned4 skb required */ -+ build.hdr_len += ieee80211_hdr_padsize(&local->hw, build.hdr_len); -+ - /* We store the key here so there's no point in using rcu_dereference() - * but that's fine because the code that changes the pointers will call - * this function after doing so. For a single CPU that would be enough, -@@ -3540,7 +3549,7 @@ begin: - - if (tx.key && - (tx.key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) -- pn_offs = ieee80211_hdrlen(hdr->frame_control); -+ pn_offs = tx.hdrlen; - - ieee80211_xmit_fast_finish(sta->sdata, sta, pn_offs, - tx.key, skb); ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1388,6 +1388,7 @@ void ieee80211_send_auth(struct ieee8021 - u32 tx_flags) - { - struct ieee80211_local *local = sdata->local; -+ struct ieee80211_hw *hw = &local->hw; - struct sk_buff *skb; - struct ieee80211_mgmt *mgmt; - unsigned int hdrlen; -@@ -1414,7 +1415,7 @@ void ieee80211_send_auth(struct ieee8021 - skb_put_data(skb, extra, extra_len); - - if (auth_alg == WLAN_AUTH_SHARED_KEY && transaction == 3) { -- hdrlen = ieee80211_hdrlen(mgmt->frame_control); -+ hdrlen = ieee80211_padded_hdrlen(hw, mgmt->frame_control); - mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); - err = ieee80211_wep_encrypt(local, skb, hdrlen, key, - key_len, key_idx); diff --git a/package/kernel/mac80211/patches/subsys/390-nl-mac-80211-allow-4addr-AP-operation-on-crypto-cont.patch b/package/kernel/mac80211/patches/subsys/390-nl-mac-80211-allow-4addr-AP-operation-on-crypto-cont.patch index 3f933f8c3b..70670b3ebf 100644 --- a/package/kernel/mac80211/patches/subsys/390-nl-mac-80211-allow-4addr-AP-operation-on-crypto-cont.patch +++ b/package/kernel/mac80211/patches/subsys/390-nl-mac-80211-allow-4addr-AP-operation-on-crypto-cont.patch @@ -50,7 +50,7 @@ Signed-off-by: Manikanta Pubbisetty * control port protocol ethertype. The device also honours the --- a/net/mac80211/util.c +++ b/net/mac80211/util.c -@@ -3523,7 +3523,9 @@ int ieee80211_check_combinations(struct +@@ -3622,7 +3622,9 @@ int ieee80211_check_combinations(struct } /* Always allow software iftypes */ -- 2.25.1