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mac80211: clean up rx_h_mesh_fwding

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Lose about two levels of unnecessary indentation.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Thomas Pedersen 2011-11-24 17:15:26 -08:00 committed by John W. Linville
parent 0cfda8519c
commit 30789eb6cb
1 changed files with 39 additions and 49 deletions
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88
net/mac80211/rx.c
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@ -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;
if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
goto out;
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;
}
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)