diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2007-07-27 15:43:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:47:30 -0700 |
| commit | 6e0d114d52833449a4e40f6dc8582e88d0742be4 (patch) | |
| tree | babc9afb1adfb418bb6853db9701e2df3c580838 /net/mac80211/rx.c | |
| parent | 571ecf676d66735f59be6b950360e4074f02f47d (diff) | |
| download | lwn-6e0d114d52833449a4e40f6dc8582e88d0742be4.tar.gz lwn-6e0d114d52833449a4e40f6dc8582e88d0742be4.zip | |
[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.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 8c0d14c5628f..c5a6bb200726 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) && |