mac80211: NSS classify tx support

package/kernel/mac80211/patches/subsys/999-mac80211-nss-classify-tx.patch

@@ -0,0 +1,45 @@
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -38,6 +38,11 @@
+ #include "wme.h"
+ #include "rate.h"
+ 
++#ifdef CPTCFG_MAC80211_NSS_SUPPORT
++#include <net/ip.h>
++#include <net/dsfield.h>
++#endif
++
+ /* misc utils */
+ 
+ static inline void ieee80211_tx_stats(struct net_device *dev, u32 len)
+@@ -3561,6 +3566,30 @@ void __ieee80211_subif_start_xmit(struct
+ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
+ 				       struct net_device *dev)
+ {
++#ifdef CPTCFG_MAC80211_NSS_SUPPORT
++	/* Packets from NSS does not have valid protocol, priority and other
++	 * network stack values. Derive required parameters (priority
++	 * and network_header) from payload for QoS header.
++	 * XXX: Here the assumption is that packet are in 802.3 format.
++	 * As of now priority is handled only for IPv4 and IPv6.
++	 */
++	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
++
++	if (sdata->nssctx && likely(!skb->protocol)) {
++		skb_set_network_header(skb, 14);
++		switch (((struct ethhdr *)skb->data)->h_proto) {
++		case htons(ETH_P_IP):
++			skb->priority = (ipv4_get_dsfield(ip_hdr(skb)) &
++					 0xfc) >> 5;
++			break;
++		case htons(ETH_P_IPV6):
++			skb->priority = (ipv6_get_dsfield(ipv6_hdr(skb)) &
++					 0xfc) >> 5;
++			break;
++		}
++	}
++#endif
++
+ 	if (unlikely(ieee80211_multicast_to_unicast(skb, dev))) {
+ 		struct sk_buff_head queue;
+ 

package/kernel/mac80211/patches/subsys/999-mac80211-xmit-busy.patch

@@ -0,0 +1,20 @@
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -1580,7 +1580,16 @@ static bool ieee80211_tx_frags(struct ie
+ 					return true;
+ 				}
+ 			} else {
+-
++#ifdef CPTCFG_MAC80211_NSS_SUPPORT
++				if (skb_queue_len(&local->pending[q]) >= 1000) {
++					spin_unlock_irqrestore(
++						&local->queue_stop_reason_lock,
++						flags);
++					ieee80211_purge_tx_queue(&local->hw,
++								 skbs);
++					return false;
++				}
++#endif
+ 				/*
+ 				 * Since queue is stopped, queue up frames for
+ 				 * later transmission from the tx-pending