[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>

4 files changed, 60 insertions, 71 deletions

diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index b5853991324b..0353e75ec963 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -2,6 +2,7 @@ obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o
 
 mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o
 mac80211-objs-$(CONFIG_MAC80211_DEBUGFS) += debugfs.o debugfs_sta.o debugfs_netdev.o debugfs_key.o
+mac80211-objs-$(CONFIG_NET_SCHED) += wme.o
 
 mac80211-objs := \
         ieee80211.o \
@@ -16,7 +17,6 @@ mac80211-objs := \
         regdomain.o \
         tkip.o \
         aes_ccm.o \
-        wme.o \
         ieee80211_cfg.o \
         rx.o \
         $(mac80211-objs-y)
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) &&
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 7ab82b376e1b..0f11ccd30a36 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -18,70 +18,6 @@
 #include "ieee80211_i.h"
 #include "wme.h"
 
-static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
-{
-        return (fc & 0x8C) == 0x88;
-}
-
-
-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;
-}
-
-
-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;
-}
-
-
-#ifdef CONFIG_NET_SCHED
 /* maximum number of hardware queues we support. */
 #define TC_80211_MAX_QUEUES 8
 
@@ -675,4 +611,3 @@ void ieee80211_wme_unregister(void)
 {
         unregister_qdisc(&wme_qdisc_ops);
 }
-#endif /* CONFIG_NET_SCHED */
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index f0bff10f0e08..76c713a6450c 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -24,11 +24,10 @@
 
 #define QOS_CONTROL_TAG1D_MASK 0x07
 
-ieee80211_txrx_result
-ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx);
-
-ieee80211_txrx_result
-ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx);
+static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
+{
+        return (fc & 0x8C) == 0x88;
+}
 
 #ifdef CONFIG_NET_SCHED
 void ieee80211_install_qdisc(struct net_device *dev);