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authorThomas Pedersen <thomas@cozybit.com>2011-11-24 17:15:26 -0800
committerJohn W. Linville <linville@tuxdriver.com>2011-11-28 14:44:08 -0500
commit30789eb6cbfcead5d90d27dc4e7d7389cacc528c (patch)
treeed85ea5bdcfcdbaf1f84f54d38995c24cc9b962c /net/mac80211
parent0cfda8519c85eb279166fb55a8553ee66eac9b35 (diff)
downloadlinux-30789eb6cbfcead5d90d27dc4e7d7389cacc528c.tar.bz2
mac80211: clean up rx_h_mesh_fwding
Lose about two levels of unnecessary indentation. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/rx.c88
1 files changed, 39 insertions, 49 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f842f901d179..1e231e95f466 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1892,15 +1892,16 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
static ieee80211_rx_result
ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
{
- struct ieee80211_hdr *hdr;
+ struct ieee80211_hdr *fwd_hdr, *hdr;
+ struct ieee80211_tx_info *info;
struct ieee80211s_hdr *mesh_hdr;
- unsigned int hdrlen;
struct sk_buff *skb = rx->skb, *fwd_skb;
struct ieee80211_local *local = rx->local;
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
__le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_NOFORWARD);
- u16 q;
+ u16 q, hdrlen;
hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -1916,7 +1917,6 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
return RX_CONTINUE;
if (!mesh_hdr->ttl)
- /* illegal frame */
return RX_DROP_MONITOR;
if (mesh_hdr->flags & MESH_FLAGS_AE) {
@@ -1952,58 +1952,48 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
q = ieee80211_select_queue_80211(local, skb, hdr);
if (ieee80211_queue_stopped(&local->hw, q)) {
- IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,
- dropped_frames_congestion);
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_congestion);
return RX_DROP_MONITOR;
}
skb_set_queue_mapping(skb, q);
- mesh_hdr->ttl--;
- if (status->rx_flags & IEEE80211_RX_RA_MATCH) {
- if (!mesh_hdr->ttl)
- IEEE80211_IFSTA_MESH_CTR_INC(&rx->sdata->u.mesh,
- dropped_frames_ttl);
- else {
- struct ieee80211_hdr *fwd_hdr;
- struct ieee80211_tx_info *info;
-
- fwd_skb = skb_copy(skb, GFP_ATOMIC);
-
- if (!fwd_skb && net_ratelimit())
- printk(KERN_DEBUG "%s: failed to clone mesh frame\n",
- sdata->name);
- if (!fwd_skb)
- goto out;
-
- fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data;
- info = IEEE80211_SKB_CB(fwd_skb);
- memset(info, 0, sizeof(*info));
- info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
- info->control.vif = &rx->sdata->vif;
- info->control.jiffies = jiffies;
- if (is_multicast_ether_addr(fwd_hdr->addr1)) {
- IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,
- fwded_mcast);
- memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);
- } else {
- if (mesh_nexthop_lookup(fwd_skb, sdata)) {
- /* can't resolve next hop, send a PERR */
- mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl,
- fwd_hdr->addr3, 0, reason,
- fwd_hdr->addr2, sdata);
- sdata->u.mesh.mshstats.dropped_frames_no_route++;
- return RX_DROP_MONITOR;
- }
+ if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
+ goto out;
- IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,
- fwded_unicast);
- }
- IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,
- fwded_frames);
- ieee80211_add_pending_skb(local, fwd_skb);
- }
+ if (!--mesh_hdr->ttl) {
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl);
+ return RX_DROP_MONITOR;
+ }
+
+ fwd_skb = skb_copy(skb, GFP_ATOMIC);
+ if (!fwd_skb) {
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: failed to clone mesh frame\n",
+ sdata->name);
+ goto out;
+ }
+
+ fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data;
+ info = IEEE80211_SKB_CB(fwd_skb);
+ memset(info, 0, sizeof(*info));
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
+ info->control.vif = &rx->sdata->vif;
+ info->control.jiffies = jiffies;
+ if (is_multicast_ether_addr(fwd_hdr->addr1)) {
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_mcast);
+ memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);
+ } else if (!mesh_nexthop_lookup(fwd_skb, sdata)) {
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_unicast);
+ } else {
+ /* unable to resolve next hop */
+ mesh_path_error_tx(ifmsh->mshcfg.element_ttl, fwd_hdr->addr3,
+ 0, reason, fwd_hdr->addr2, sdata);
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_no_route);
+ return RX_DROP_MONITOR;
}
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_frames);
+ ieee80211_add_pending_skb(local, fwd_skb);
out:
if (is_multicast_ether_addr(hdr->addr1) ||
sdata->dev->flags & IFF_PROMISC)