Commit 30789eb6 authored by Thomas Pedersen's avatar Thomas Pedersen Committed by John W. Linville
Browse files

mac80211: clean up rx_h_mesh_fwding 



Lose about two levels of unnecessary indentation.

Signed-off-by: default avatarThomas Pedersen <thomas@cozybit.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0cfda851

net/mac80211/rx.c

+39 −49
Original line number Original line Diff line number Diff line
@@ -1892,15 +1892,16 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx) 
static ieee80211_rx_result

static ieee80211_rx_result

ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)

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;

	struct ieee80211s_hdr *mesh_hdr;

	unsigned int hdrlen;

	struct sk_buff *skb = rx->skb, *fwd_skb;

	struct sk_buff *skb = rx->skb, *fwd_skb;

	struct ieee80211_local *local = rx->local;

	struct ieee80211_local *local = rx->local;

	struct ieee80211_sub_if_data *sdata = rx->sdata;

	struct ieee80211_sub_if_data *sdata = rx->sdata;

	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);

	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);

	__le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_NOFORWARD);

	u16 q;

	u16 q, hdrlen;





	hdr = (struct ieee80211_hdr *) skb->data;

	hdr = (struct ieee80211_hdr *) skb->data;

	hdrlen = ieee80211_hdrlen(hdr->frame_control);

	hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -1916,7 +1917,6 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) 
		return RX_CONTINUE;

		return RX_CONTINUE;





	if (!mesh_hdr->ttl)

	if (!mesh_hdr->ttl)

		/* illegal frame */

		return RX_DROP_MONITOR;

		return RX_DROP_MONITOR;





	if (mesh_hdr->flags & MESH_FLAGS_AE) {

	if (mesh_hdr->flags & MESH_FLAGS_AE) {
@@ -1952,28 +1952,26 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) 




	q = ieee80211_select_queue_80211(local, skb, hdr);

	q = ieee80211_select_queue_80211(local, skb, hdr);

	if (ieee80211_queue_stopped(&local->hw, q)) {

	if (ieee80211_queue_stopped(&local->hw, q)) {

		IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,

		IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_congestion);

					     dropped_frames_congestion);

		return RX_DROP_MONITOR;

		return RX_DROP_MONITOR;

	}

	}

	skb_set_queue_mapping(skb, q);

	skb_set_queue_mapping(skb, q);

	mesh_hdr->ttl--;





	if (status->rx_flags & IEEE80211_RX_RA_MATCH) {

	if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))

		if (!mesh_hdr->ttl)

		goto out;

			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 (!--mesh_hdr->ttl) {

		IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl);

		return RX_DROP_MONITOR;

	}





			if (!fwd_skb && net_ratelimit())

	fwd_skb = skb_copy(skb, GFP_ATOMIC);

	if (!fwd_skb) {

		if (net_ratelimit())

			printk(KERN_DEBUG "%s: failed to clone mesh frame\n",

			printk(KERN_DEBUG "%s: failed to clone mesh frame\n",

					sdata->name);

					sdata->name);

			if (!fwd_skb)

		goto out;

		goto out;

	}





	fwd_hdr =  (struct ieee80211_hdr *) fwd_skb->data;

	fwd_hdr =  (struct ieee80211_hdr *) fwd_skb->data;

	info = IEEE80211_SKB_CB(fwd_skb);

	info = IEEE80211_SKB_CB(fwd_skb);
@@ -1982,28 +1980,20 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) 
	info->control.vif = &rx->sdata->vif;

	info->control.vif = &rx->sdata->vif;

	info->control.jiffies = jiffies;

	info->control.jiffies = jiffies;

	if (is_multicast_ether_addr(fwd_hdr->addr1)) {

	if (is_multicast_ether_addr(fwd_hdr->addr1)) {

				IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,

		IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_mcast);

								fwded_mcast);

		memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);

		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 {

	} else {

				if (mesh_nexthop_lookup(fwd_skb, sdata)) {

		/* unable to resolve next hop */

				/* can't resolve next hop, send a PERR */

		mesh_path_error_tx(ifmsh->mshcfg.element_ttl, fwd_hdr->addr3,

					mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl,

				    0, reason, fwd_hdr->addr2, sdata);

							   fwd_hdr->addr3, 0, reason,

		IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_no_route);

							   fwd_hdr->addr2, sdata);

					sdata->u.mesh.mshstats.dropped_frames_no_route++;

		return RX_DROP_MONITOR;

		return RX_DROP_MONITOR;

	}

	}





				IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,

	IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_frames);

								fwded_unicast);

			}

			IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,

						     fwded_frames);

	ieee80211_add_pending_skb(local, fwd_skb);

	ieee80211_add_pending_skb(local, fwd_skb);

		}

	}



 out:

 out:

	if (is_multicast_ether_addr(hdr->addr1) ||

	if (is_multicast_ether_addr(hdr->addr1) ||

	    sdata->dev->flags & IFF_PROMISC)

	    sdata->dev->flags & IFF_PROMISC)