summaryrefslogtreecommitdiffstats
path: root/net/mac80211/tx.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c72
1 files changed, 48 insertions, 24 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 63656266d56..d238a8939a0 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -25,6 +25,7 @@
#include <asm/unaligned.h>
#include "ieee80211_i.h"
+#include "driver-ops.h"
#include "led.h"
#include "mesh.h"
#include "wep.h"
@@ -399,6 +400,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
sta_info_set_tim_bit(sta);
info->control.jiffies = jiffies;
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&sta->ps_tx_buf, tx->skb);
return TX_QUEUED;
}
@@ -409,8 +411,24 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
sta->sta.addr);
}
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
- clear_sta_flags(sta, WLAN_STA_PSPOLL);
+ if (test_and_clear_sta_flags(sta, WLAN_STA_PSPOLL)) {
+ /*
+ * The sleeping station with pending data is now snoozing.
+ * It queried us for its buffered frames and will go back
+ * to deep sleep once it got everything.
+ *
+ * inform the driver, in case the hardware does powersave
+ * frame filtering and keeps a station blacklist on its own
+ * (e.g: p54), so that frames can be delivered unimpeded.
+ *
+ * Note: It should be safe to disable the filter now.
+ * As, it is really unlikely that we still have any pending
+ * frame for this station in the hw's buffers/fifos left,
+ * that is not rejected with a unsuccessful tx_status yet.
+ */
+ info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+ }
return TX_CONTINUE;
}
@@ -429,7 +447,7 @@ ieee80211_tx_h_ps_buf(struct ieee80211_tx_data *tx)
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
{
- struct ieee80211_key *key;
+ struct ieee80211_key *key = NULL;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
@@ -500,7 +518,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
sband = tx->local->hw.wiphy->bands[tx->channel->band];
len = min_t(int, tx->skb->len + FCS_LEN,
- tx->local->fragmentation_threshold);
+ tx->local->hw.wiphy->frag_threshold);
/* set up the tx rate control struct we give the RC algo */
txrc.hw = local_to_hw(tx->local);
@@ -511,8 +529,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
txrc.max_rate_idx = tx->sdata->max_ratectrl_rateidx;
/* set up RTS protection if desired */
- if (tx->local->rts_threshold < IEEE80211_MAX_RTS_THRESHOLD &&
- len > tx->local->rts_threshold) {
+ if (len > tx->local->hw.wiphy->rts_threshold) {
txrc.rts = rts = true;
}
@@ -542,6 +559,10 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
if (unlikely(!info->control.rates[0].count))
info->control.rates[0].count = 1;
+ if (WARN_ON_ONCE((info->control.rates[0].count > 1) &&
+ (info->flags & IEEE80211_TX_CTL_NO_ACK)))
+ info->control.rates[0].count = 1;
+
if (is_multicast_ether_addr(hdr->addr1)) {
/*
* XXX: verify the rate is in the basic rateset
@@ -754,7 +775,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
struct sk_buff *skb = tx->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (void *)skb->data;
- int frag_threshold = tx->local->fragmentation_threshold;
+ int frag_threshold = tx->local->hw.wiphy->frag_threshold;
int hdrlen;
int fragnum;
@@ -852,6 +873,8 @@ ieee80211_tx_h_calculate_duration(struct ieee80211_tx_data *tx)
do {
hdr = (void *) skb->data;
+ if (unlikely(ieee80211_is_pspoll(hdr->frame_control)))
+ break; /* must not overwrite AID */
next_len = skb->next ? skb->next->len : 0;
group_addr = is_multicast_ether_addr(hdr->addr1);
@@ -885,9 +908,8 @@ ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
* deal with packet injection down monitor interface
* with Radiotap Header -- only called for monitor mode interface
*/
-static ieee80211_tx_result
-__ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
- struct sk_buff *skb)
+static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
+ struct sk_buff *skb)
{
/*
* this is the moment to interpret and discard the radiotap header that
@@ -938,7 +960,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
* on transmission
*/
if (skb->len < (iterator.max_length + FCS_LEN))
- return TX_DROP;
+ return false;
skb_trim(skb, skb->len - FCS_LEN);
}
@@ -960,7 +982,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
}
if (ret != -ENOENT) /* ie, if we didn't simply run out of fields */
- return TX_DROP;
+ return false;
/*
* remove the radiotap header
@@ -969,7 +991,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
*/
skb_pull(skb, iterator.max_length);
- return TX_CONTINUE;
+ return true;
}
/*
@@ -1003,7 +1025,7 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
/* process and remove the injection radiotap header */
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED)) {
- if (__ieee80211_parse_tx_radiotap(tx, skb) == TX_DROP)
+ if (!__ieee80211_parse_tx_radiotap(tx, skb))
return TX_DROP;
/*
@@ -1067,12 +1089,15 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
info->flags |= IEEE80211_TX_CTL_NO_ACK;
} else {
tx->flags |= IEEE80211_TX_UNICAST;
- info->flags &= ~IEEE80211_TX_CTL_NO_ACK;
+ if (unlikely(local->wifi_wme_noack_test))
+ info->flags |= IEEE80211_TX_CTL_NO_ACK;
+ else
+ info->flags &= ~IEEE80211_TX_CTL_NO_ACK;
}
if (tx->flags & IEEE80211_TX_FRAGMENTED) {
if ((tx->flags & IEEE80211_TX_UNICAST) &&
- skb->len + FCS_LEN > local->fragmentation_threshold &&
+ skb->len + FCS_LEN > local->hw.wiphy->frag_threshold &&
!(info->flags & IEEE80211_TX_CTL_AMPDU))
tx->flags |= IEEE80211_TX_FRAGMENTED;
else
@@ -1147,7 +1172,7 @@ static int __ieee80211_tx(struct ieee80211_local *local,
next = skb->next;
len = skb->len;
- ret = local->ops->tx(local_to_hw(local), skb);
+ ret = drv_tx(local, skb);
if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
dev_kfree_skb(skb);
ret = NETDEV_TX_OK;
@@ -1213,7 +1238,6 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
bool txpending)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct sta_info *sta;
struct ieee80211_tx_data tx;
ieee80211_tx_result res_prepare;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1245,7 +1269,6 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
return;
}
- sta = tx.sta;
tx.channel = local->hw.conf.channel;
info->band = tx.channel->band;
@@ -1392,7 +1415,8 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
- local->hw.conf.dynamic_ps_timeout > 0) {
+ local->hw.conf.dynamic_ps_timeout > 0 &&
+ !local->sw_scanning && !local->hw_scanning && local->ps_sdata) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_QUEUE_STOP_REASON_PS);
@@ -1591,7 +1615,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
- int ret = 1, head_need;
+ int ret = NETDEV_TX_BUSY, head_need;
u16 ethertype, hdrlen, meshhdrlen = 0;
__le16 fc;
struct ieee80211_hdr hdr;
@@ -2086,18 +2110,18 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
} else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_hdr *hdr;
+ struct sk_buff *presp = rcu_dereference(ifibss->presp);
- if (!ifibss->probe_resp)
+ if (!presp)
goto out;
- skb = skb_copy(ifibss->probe_resp, GFP_ATOMIC);
+ skb = skb_copy(presp, GFP_ATOMIC);
if (!skb)
goto out;
hdr = (struct ieee80211_hdr *) skb->data;
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_BEACON);
-
} else if (ieee80211_vif_is_mesh(&sdata->vif)) {
struct ieee80211_mgmt *mgmt;
u8 *pos;
@@ -2117,7 +2141,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
/* BSSID is left zeroed, wildcard value */
mgmt->u.beacon.beacon_int =
- cpu_to_le16(local->hw.conf.beacon_int);
+ cpu_to_le16(sdata->vif.bss_conf.beacon_int);
mgmt->u.beacon.capab_info = 0x0; /* 0x0 for MPs */
pos = skb_put(skb, 2);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-02 05:19:39 +0000