diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2013-12-14 16:54:53 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-12-16 15:14:07 +0400 |
| commit | 70dabeb74ee3bff71b65f47546dafb83edbb06b9 (patch) | |
| tree | 8069d86b7683faa28a583597d446df0f6f560bc8 /net/mac80211/tx.c | |
| parent | 7907c7d33c3733b2265dadc6385fe028af72b4c7 (diff) | |
| download | linux-70dabeb74ee3bff71b65f47546dafb83edbb06b9.tar.xz | |
mac80211: let the driver reserve extra tailroom in beacons
Can be used to add extra IEs (such as P2P NoA) without having to
reallocate the buffer.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 6d59e21cdb9f..002ded2c01f6 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2549,7 +2549,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, */ skb = dev_alloc_skb(local->tx_headroom + beacon->head_len + - beacon->tail_len + 256); + beacon->tail_len + 256 + + local->hw.extra_beacon_tailroom); if (!skb) goto out; @@ -2581,7 +2582,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, ieee80211_update_csa(sdata, presp); - skb = dev_alloc_skb(local->tx_headroom + presp->head_len); + skb = dev_alloc_skb(local->tx_headroom + presp->head_len + + local->hw.extra_beacon_tailroom); if (!skb) goto out; skb_reserve(skb, local->tx_headroom); @@ -2608,7 +2610,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, skb = dev_alloc_skb(local->tx_headroom + bcn->head_len + 256 + /* TIM IE */ - bcn->tail_len); + bcn->tail_len + + local->hw.extra_beacon_tailroom); if (!skb) goto out; skb_reserve(skb, local->tx_headroom); |