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Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c74
1 files changed, 51 insertions, 23 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 82846aca86d9..e9ce658141f5 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2144,7 +2144,7 @@ static bool ieee80211_parse_tx_radiotap(struct ieee80211_local *local,
/*
* Please update the file
- * Documentation/networking/mac80211-injection.txt
+ * Documentation/networking/mac80211-injection.rst
* when parsing new fields here.
*/
@@ -2436,13 +2436,19 @@ int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
return 0;
}
-static int ieee80211_store_ack_skb(struct ieee80211_local *local,
+static u16 ieee80211_store_ack_skb(struct ieee80211_local *local,
struct sk_buff *skb,
- u32 *info_flags)
+ u32 *info_flags,
+ u64 *cookie)
{
- struct sk_buff *ack_skb = skb_clone_sk(skb);
+ struct sk_buff *ack_skb;
u16 info_id = 0;
+ if (skb->sk)
+ ack_skb = skb_clone_sk(skb);
+ else
+ ack_skb = skb_clone(skb, GFP_ATOMIC);
+
if (ack_skb) {
unsigned long flags;
int id;
@@ -2455,6 +2461,10 @@ static int ieee80211_store_ack_skb(struct ieee80211_local *local,
if (id >= 0) {
info_id = id;
*info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+ if (cookie) {
+ *cookie = ieee80211_mgmt_tx_cookie(local);
+ IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
+ }
} else {
kfree_skb(ack_skb);
}
@@ -2484,7 +2494,8 @@ static int ieee80211_store_ack_skb(struct ieee80211_local *local,
*/
static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u32 info_flags,
- struct sta_info *sta, u32 ctrl_flags)
+ struct sta_info *sta, u32 ctrl_flags,
+ u64 *cookie)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info;
@@ -2755,9 +2766,11 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
goto free;
}
- if (unlikely(!multicast && skb->sk &&
- skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS))
- info_id = ieee80211_store_ack_skb(local, skb, &info_flags);
+ if (unlikely(!multicast && ((skb->sk &&
+ skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS) ||
+ ctrl_flags & IEEE80211_TX_CTL_REQ_TX_STATUS)))
+ info_id = ieee80211_store_ack_skb(local, skb, &info_flags,
+ cookie);
/*
* If the skb is shared we need to obtain our own copy.
@@ -3913,7 +3926,8 @@ EXPORT_SYMBOL(ieee80211_txq_schedule_start);
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags,
- u32 ctrl_flags)
+ u32 ctrl_flags,
+ u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@@ -3983,7 +3997,7 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
skb_mark_not_on_list(skb);
skb = ieee80211_build_hdr(sdata, skb, info_flags,
- sta, ctrl_flags);
+ sta, ctrl_flags, cookie);
if (IS_ERR(skb)) {
kfree_skb_list(next);
goto out;
@@ -4125,9 +4139,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
__skb_queue_head_init(&queue);
ieee80211_convert_to_unicast(skb, dev, &queue);
while ((skb = __skb_dequeue(&queue)))
- __ieee80211_subif_start_xmit(skb, dev, 0, 0);
+ __ieee80211_subif_start_xmit(skb, dev, 0, 0, NULL);
} else {
- __ieee80211_subif_start_xmit(skb, dev, 0, 0);
+ __ieee80211_subif_start_xmit(skb, dev, 0, 0, NULL);
}
return NETDEV_TX_OK;
@@ -4215,7 +4229,7 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata,
if (unlikely(!multicast && skb->sk &&
skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS))
- ieee80211_store_ack_skb(local, skb, &info->flags);
+ ieee80211_store_ack_skb(local, skb, &info->flags, NULL);
memset(info, 0, sizeof(*info));
@@ -4299,7 +4313,7 @@ ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
goto out;
}
- skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0);
+ skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0, NULL);
if (IS_ERR(skb))
goto out;
@@ -4883,7 +4897,10 @@ __ieee80211_beacon_get(struct ieee80211_hw *hw,
txrc.bss_conf = &sdata->vif.bss_conf;
txrc.skb = skb;
txrc.reported_rate.idx = -1;
- txrc.rate_idx_mask = sdata->rc_rateidx_mask[band];
+ if (sdata->beacon_rate_set && sdata->beacon_rateidx_mask[band])
+ txrc.rate_idx_mask = sdata->beacon_rateidx_mask[band];
+ else
+ txrc.rate_idx_mask = sdata->rc_rateidx_mask[band];
txrc.bss = true;
rate_control_get_rate(sdata, NULL, &txrc);
@@ -5006,7 +5023,7 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw,
pspoll = skb_put_zero(skb, sizeof(*pspoll));
pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
IEEE80211_STYPE_PSPOLL);
- pspoll->aid = cpu_to_le16(ifmgd->aid);
+ pspoll->aid = cpu_to_le16(sdata->vif.bss_conf.aid);
/* aid in PS-Poll has its two MSBs each set to 1 */
pspoll->aid |= cpu_to_le16(1 << 15 | 1 << 14);
@@ -5336,14 +5353,15 @@ void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len,
- const u8 *dest, __be16 proto, bool unencrypted)
+ const u8 *dest, __be16 proto, bool unencrypted,
+ u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ethhdr *ehdr;
u32 ctrl_flags = 0;
- u32 flags;
+ u32 flags = 0;
/* Only accept CONTROL_PORT_PROTOCOL configured in CONNECT/ASSOCIATE
* or Pre-Authentication
@@ -5356,9 +5374,13 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
if (unencrypted)
- flags = IEEE80211_TX_INTFL_DONT_ENCRYPT;
- else
- flags = 0;
+ flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ if (cookie)
+ ctrl_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+
+ flags |= IEEE80211_TX_INTFL_NL80211_FRAME_TX |
+ IEEE80211_TX_CTL_INJECTED;
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
sizeof(struct ethhdr) + len);
@@ -5379,10 +5401,15 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
skb_reset_network_header(skb);
skb_reset_mac_header(skb);
+ /* mutex lock is only needed for incrementing the cookie counter */
+ mutex_lock(&local->mtx);
+
local_bh_disable();
- __ieee80211_subif_start_xmit(skb, skb->dev, flags, ctrl_flags);
+ __ieee80211_subif_start_xmit(skb, skb->dev, flags, ctrl_flags, cookie);
local_bh_enable();
+ mutex_unlock(&local->mtx);
+
return 0;
}
@@ -5409,7 +5436,8 @@ int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
local_bh_disable();
__ieee80211_subif_start_xmit(skb, skb->dev, 0,
- IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP);
+ IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP,
+ NULL);
local_bh_enable();
return 0;