diff options
| author | Bob Copeland <me@bobcopeland.com> | 2013-01-09 18:34:56 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-01-16 23:24:51 +0100 |
| commit | 8680451f38a64bd270233b3c0eeb7c45f2b5efe3 (patch) | |
| tree | 3cc1985fb2843321f8c024ef6da31fe76bcb6e91 /net | |
| parent | mac80211: set NEED_TXPROCESSING for PERR frames (diff) | |
| download | linux-8680451f38a64bd270233b3c0eeb7c45f2b5efe3.tar.xz linux-8680451f38a64bd270233b3c0eeb7c45f2b5efe3.zip | |
mac80211: add encrypt headroom to PERR frames
Mesh PERR action frames are robust and thus may be encrypted, so add
proper head/tailroom to allow this. Fixes this warning when operating
a Mesh STA on ath5k:
WARNING: at net/mac80211/wpa.c:427 ccmp_encrypt_skb.isra.5+0x7b/0x1a0 [mac80211]()
Call Trace:
[<c011c5e7>] warn_slowpath_common+0x63/0x78
[<c011c60b>] warn_slowpath_null+0xf/0x13
[<e090621d>] ccmp_encrypt_skb.isra.5+0x7b/0x1a0 [mac80211]
[<e090685c>] ieee80211_crypto_ccmp_encrypt+0x1f/0x37 [mac80211]
[<e0917113>] invoke_tx_handlers+0xcad/0x10bd [mac80211]
[<e0917665>] ieee80211_tx+0x87/0xb3 [mac80211]
[<e0918932>] ieee80211_tx_pending+0xcc/0x170 [mac80211]
[<c0121c43>] tasklet_action+0x3e/0x65
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/mesh_hwmp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 40b390581b01..2659e428b80c 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -247,11 +247,13 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, return -EAGAIN; skb = dev_alloc_skb(local->tx_headroom + + IEEE80211_ENCRYPT_HEADROOM + + IEEE80211_ENCRYPT_TAILROOM + hdr_len + 2 + 15 /* PERR IE */); if (!skb) return -1; - skb_reserve(skb, local->tx_headroom); + skb_reserve(skb, local->tx_headroom + IEEE80211_ENCRYPT_HEADROOM); mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |