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A few more fixes: 

* better mesh path fixing, from Thomas
  * fix TIM IE recalculation after sending frames
    to a sleeping station, from Felix
  * fix sequence number assignment while sending
    frames to a sleeping station, also from Felix
  * validate number of probe response CSA counter
    offsets, fixing a copy/paste bug (from myself)
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Merge tag 'mac80211-for-davem-2016-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
A few more fixes:
 * better mesh path fixing, from Thomas
 * fix TIM IE recalculation after sending frames
   to a sleeping station, from Felix
 * fix sequence number assignment while sending
   frames to a sleeping station, also from Felix
 * validate number of probe response CSA counter
   offsets, fixing a copy/paste bug (from myself)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-09-16 01:34:08 -04:00
Родитель 440f895aa9 ad5987b47e
Коммит 3e454fd5db
5 изменённых файлов: 39 добавлений и 37 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

3
net/mac80211/mesh_hwmp.c
Просмотреть файл

@ -746,6 +746,7 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
sta = next_hop_deref_protected(mpath);
if (mpath->flags & MESH_PATH_ACTIVE &&
ether_addr_equal(ta, sta->sta.addr) &&
!(mpath->flags & MESH_PATH_FIXED) &&
(!(mpath->flags & MESH_PATH_SN_VALID) ||
SN_GT(target_sn, mpath->sn) || target_sn == 0)) {
mpath->flags &= ~MESH_PATH_ACTIVE;
@ -1012,7 +1013,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
goto enddiscovery;
spin_lock_bh(&mpath->state_lock);
if (mpath->flags & MESH_PATH_DELETED) {
if (mpath->flags & (MESH_PATH_DELETED | MESH_PATH_FIXED)) {
spin_unlock_bh(&mpath->state_lock);
goto enddiscovery;
}

2
net/mac80211/mesh_pathtbl.c
Просмотреть файл

@ -826,7 +826,7 @@ void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop)
mpath->metric = 0;
mpath->hop_count = 0;
mpath->exp_time = 0;
mpath->flags |= MESH_PATH_FIXED;
mpath->flags = MESH_PATH_FIXED | MESH_PATH_SN_VALID;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
mesh_path_tx_pending(mpath);

4
net/mac80211/sta_info.c
Просмотреть файл

@ -1616,7 +1616,6 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
sta_info_recalc_tim(sta);
} else {
unsigned long tids = sta->txq_buffered_tids & driver_release_tids;
int tid;
/*
@ -1648,7 +1647,8 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) {
struct txq_info *txqi = to_txq_info(sta->sta.txq[tid]);
if (!(tids & BIT(tid)) || txqi->tin.backlog_packets)
if (!(driver_release_tids & BIT(tid)) ||
txqi->tin.backlog_packets)
continue;
sta_info_recalc_tim(sta);

65
net/mac80211/tx.c
Просмотреть файл

@ -796,6 +796,36 @@ static __le16 ieee80211_tx_next_seq(struct sta_info *sta, int tid)
return ret;
}
static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local,
struct ieee80211_vif *vif,
struct ieee80211_sta *pubsta,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_txq *txq = NULL;
if ((info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) ||
(info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE))
return NULL;
if (!ieee80211_is_data(hdr->frame_control))
return NULL;
if (pubsta) {
u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
txq = pubsta->txq[tid];
} else if (vif) {
txq = vif->txq;
}
if (!txq)
return NULL;
return to_txq_info(txq);
}
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
{
@ -853,7 +883,8 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
tx->sta->tx_stats.msdu[tid]++;
if (!tx->sta->sta.txq[0])
if (!ieee80211_get_txq(tx->local, info->control.vif, &tx->sta->sta,
tx->skb))
hdr->seq_ctrl = ieee80211_tx_next_seq(tx->sta, tid);
return TX_CONTINUE;
@ -1243,36 +1274,6 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
return TX_CONTINUE;
}
static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local,
struct ieee80211_vif *vif,
struct ieee80211_sta *pubsta,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_txq *txq = NULL;
if ((info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) ||
(info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE))
return NULL;
if (!ieee80211_is_data(hdr->frame_control))
return NULL;
if (pubsta) {
u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
txq = pubsta->txq[tid];
} else if (vif) {
txq = vif->txq;
}
if (!txq)
return NULL;
return to_txq_info(txq);
}
static void ieee80211_set_skb_enqueue_time(struct sk_buff *skb)
{
IEEE80211_SKB_CB(skb)->control.enqueue_time = codel_get_time();
@ -3264,7 +3265,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
*ieee80211_get_qos_ctl(hdr) = tid;
if (!sta->sta.txq[0])
if (!ieee80211_get_txq(local, &sdata->vif, &sta->sta, skb))
hdr->seq_ctrl = ieee80211_tx_next_seq(sta, tid);
} else {
info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;

2
net/wireless/nl80211.c
Просмотреть файл

@ -6978,7 +6978,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
params.n_counter_offsets_presp = len / sizeof(u16);
if (rdev->wiphy.max_num_csa_counters &&
(params.n_counter_offsets_beacon >
(params.n_counter_offsets_presp >
rdev->wiphy.max_num_csa_counters))
return -EINVAL;