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authorJohannes Berg <johannes@sipsolutions.net>2007-08-28 17:01:54 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:48:48 -0700
commitcf966838cd5596ca61d3e9949050442a943f6238 (patch)
treefc5945ad6df812160b1f865ed29a6b1dc184b3c1 /net
parenteb063c1702a84d58eb4c05a032bbff6f1c29049d (diff)
downloadlinux-cf966838cd5596ca61d3e9949050442a943f6238.tar.bz2
[MAC80211]: use switch statement in tx code
The transmit code needs to set the addresses depending on the interface type, a likely() for AP/VLAN is quite wrong since most people will be using STA; convert to a switch statement to make it look nicer. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/tx.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c9b909d9498b..53efcf6f769c 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1363,15 +1363,17 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
/* TODO: handling for 802.1x authorized/unauthorized port */
fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA;
- if (likely(sdata->type == IEEE80211_IF_TYPE_AP ||
- sdata->type == IEEE80211_IF_TYPE_VLAN)) {
+ switch (sdata->type) {
+ case IEEE80211_IF_TYPE_AP:
+ case IEEE80211_IF_TYPE_VLAN:
fc |= IEEE80211_FCTL_FROMDS;
/* DA BSSID SA */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
memcpy(hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
hdrlen = 24;
- } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
+ break;
+ case IEEE80211_IF_TYPE_WDS:
fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS;
/* RA TA DA SA */
memcpy(hdr.addr1, sdata->u.wds.remote_addr, ETH_ALEN);
@@ -1379,20 +1381,23 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
memcpy(hdr.addr3, skb->data, ETH_ALEN);
memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
hdrlen = 30;
- } else if (sdata->type == IEEE80211_IF_TYPE_STA) {
+ break;
+ case IEEE80211_IF_TYPE_STA:
fc |= IEEE80211_FCTL_TODS;
/* BSSID SA DA */
memcpy(hdr.addr1, sdata->u.sta.bssid, ETH_ALEN);
memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
memcpy(hdr.addr3, skb->data, ETH_ALEN);
hdrlen = 24;
- } else if (sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ break;
+ case IEEE80211_IF_TYPE_IBSS:
/* DA SA BSSID */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
memcpy(hdr.addr3, sdata->u.sta.bssid, ETH_ALEN);
hdrlen = 24;
- } else {
+ break;
+ default:
ret = 0;
goto fail;
}