aboutsummaryrefslogtreecommitdiff
path: root/net/mac80211/rx.c
diff options
context:
space:
mode:
authorJohannes Berg <johannes@sipsolutions.net>2007-07-27 15:43:22 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:47:30 -0700
commit6e0d114d52833449a4e40f6dc8582e88d0742be4 (patch)
treebabc9afb1adfb418bb6853db9701e2df3c580838 /net/mac80211/rx.c
parent571ecf676d66735f59be6b950360e4074f02f47d (diff)
[MAC80211]: move QoS rx handlers into rx.c
This patch moves the QoS handlers into rx.c making it possible to compile wme.c only when NET_SCHED is defined. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 8c0d14c5628..c5a6bb20072 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -31,6 +31,41 @@
*/
static ieee80211_txrx_result
+ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx)
+{
+ u8 *data = rx->skb->data;
+ int tid;
+
+ /* does the frame have a qos control field? */
+ if (WLAN_FC_IS_QOS_DATA(rx->fc)) {
+ u8 *qc = data + ieee80211_get_hdrlen(rx->fc) - QOS_CONTROL_LEN;
+ /* frame has qos control */
+ tid = qc[0] & QOS_CONTROL_TID_MASK;
+ } else {
+ if (unlikely((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)) {
+ /* Separate TID for management frames */
+ tid = NUM_RX_DATA_QUEUES - 1;
+ } else {
+ /* no qos control present */
+ tid = 0; /* 802.1d - Best Effort */
+ }
+ }
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+ I802_DEBUG_INC(rx->local->wme_rx_queue[tid]);
+ if (rx->sta) {
+ I802_DEBUG_INC(rx->sta->wme_rx_queue[tid]);
+ }
+#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
+
+ rx->u.rx.queue = tid;
+ /* Set skb->priority to 1d tag if highest order bit of TID is not set.
+ * For now, set skb->priority to 0 for other cases. */
+ rx->skb->priority = (tid > 7) ? 0 : tid;
+
+ return TXRX_CONTINUE;
+}
+
+static ieee80211_txrx_result
ieee80211_rx_h_load_stats(struct ieee80211_txrx_data *rx)
{
struct ieee80211_local *local = rx->local;
@@ -765,6 +800,26 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx)
}
static ieee80211_txrx_result
+ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx)
+{
+ u16 fc = rx->fc;
+ u8 *data = rx->skb->data;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data;
+
+ if (!WLAN_FC_IS_QOS_DATA(fc))
+ return TXRX_CONTINUE;
+
+ /* remove the qos control field, update frame type and meta-data */
+ memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2);
+ hdr = (struct ieee80211_hdr *) skb_pull(rx->skb, 2);
+ /* change frame type to non QOS */
+ rx->fc = fc &= ~IEEE80211_STYPE_QOS_DATA;
+ hdr->frame_control = cpu_to_le16(fc);
+
+ return TXRX_CONTINUE;
+}
+
+static ieee80211_txrx_result
ieee80211_rx_h_802_1x_pae(struct ieee80211_txrx_data *rx)
{
if (rx->sdata->eapol && ieee80211_is_eapol(rx->skb) &&