--- zzzz-none-000/linux-2.6.39.4/include/net/sock.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/include/net/sock.h	2021-11-10 13:23:10.000000000 +0000
@@ -338,6 +338,7 @@
 #endif
 	__u32			sk_mark;
 	u32			sk_classid;
+ 	unsigned long		sk_tc_index;
 	void			(*sk_state_change)(struct sock *sk);
 	void			(*sk_data_ready)(struct sock *sk, int bytes);
 	void			(*sk_write_space)(struct sock *sk);
@@ -641,7 +642,7 @@
 {
 	unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc);
 
-	return qsize + skb->truesize > sk->sk_rcvbuf;
+	return qsize + skb->truesize > (unsigned int)sk->sk_rcvbuf;
 }
 
 /* The per-socket spinlock must be held here. */
@@ -660,7 +661,7 @@
 	return sk->sk_backlog_rcv(sk, skb);
 }
 
-static inline void sock_rps_record_flow(const struct sock *sk)
+static inline void sock_rps_record_flow(const struct sock *sk __attribute__((unused)))
 {
 #ifdef CONFIG_RPS
 	struct rps_sock_flow_table *sock_flow_table;
@@ -672,7 +673,7 @@
 #endif
 }
 
-static inline void sock_rps_reset_flow(const struct sock *sk)
+static inline void sock_rps_reset_flow(const struct sock *sk __attribute__((unused)))
 {
 #ifdef CONFIG_RPS
 	struct rps_sock_flow_table *sock_flow_table;
@@ -684,7 +685,7 @@
 #endif
 }
 
-static inline void sock_rps_save_rxhash(struct sock *sk, u32 rxhash)
+static inline void sock_rps_save_rxhash(struct sock *sk __attribute__((unused)), u32 rxhash __attribute__((unused)))
 {
 #ifdef CONFIG_RPS
 	if (unlikely(sk->sk_rxhash != rxhash)) {
@@ -1114,7 +1115,7 @@
 #ifdef CONFIG_CGROUPS
 extern void sock_update_classid(struct sock *sk);
 #else
-static inline void sock_update_classid(struct sock *sk)
+static inline void sock_update_classid(struct sock *sk __attribute__((unused)))
 {
 }
 #endif
@@ -1527,6 +1528,9 @@
 	skb_orphan(skb);
 	skb->sk = sk;
 	skb->destructor = sock_wfree;
+#ifdef CONFIG_NET_SCHED
+	skb->tc_index = sk->sk_tc_index;
+#endif
 	/*
 	 * We used to take a refcount on sk, but following operation
 	 * is enough to guarantee sk_free() wont free this sock until
@@ -1728,7 +1732,7 @@
 		__skb_queue_tail(&sk->sk_async_wait_queue, skb);
 }
 #else
-static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_early)
+static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_early __attribute__((unused)))
 {
 	__skb_unlink(skb, &sk->sk_receive_queue);
 	__kfree_skb(skb);
@@ -1736,13 +1740,13 @@
 #endif
 
 static inline
-struct net *sock_net(const struct sock *sk)
+struct net *sock_net(const struct sock *sk __attribute__((unused)))
 {
 	return read_pnet(&sk->sk_net);
 }
 
 static inline
-void sock_net_set(struct sock *sk, struct net *net)
+void sock_net_set(struct sock *sk __attribute__((unused)), struct net *net)
 {
 	write_pnet(&sk->sk_net, net);
 }