--- zzzz-none-000/linux-3.10.107/drivers/net/team/team_mode_loadbalance.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/team/team_mode_loadbalance.c	2021-02-04 17:41:59.000000000 +0000
@@ -49,7 +49,7 @@
 struct lb_priv_ex {
 	struct team *team;
 	struct lb_port_mapping tx_hash_to_port_mapping[LB_TX_HASHTABLE_SIZE];
-	struct sock_fprog *orig_fprog;
+	struct sock_fprog_kern *orig_fprog;
 	struct {
 		unsigned int refresh_interval; /* in tenths of second */
 		struct delayed_work refresh_dw;
@@ -58,7 +58,7 @@
 };
 
 struct lb_priv {
-	struct sk_filter __rcu *fp;
+	struct bpf_prog __rcu *fp;
 	lb_select_tx_port_func_t __rcu *select_tx_port_func;
 	struct lb_pcpu_stats __percpu *pcpu_stats;
 	struct lb_priv_ex *ex; /* priv extension */
@@ -112,9 +112,8 @@
 						struct sk_buff *skb,
 						unsigned char hash)
 {
-	int port_index;
+	int port_index = team_num_to_port_index(team, hash);
 
-	port_index = hash % team->en_port_count;
 	return team_get_port_by_index_rcu(team, port_index);
 }
 
@@ -175,14 +174,14 @@
 static unsigned int lb_get_skb_hash(struct lb_priv *lb_priv,
 				    struct sk_buff *skb)
 {
-	struct sk_filter *fp;
+	struct bpf_prog *fp;
 	uint32_t lhash;
 	unsigned char *c;
 
 	fp = rcu_dereference_bh(lb_priv->fp);
 	if (unlikely(!fp))
 		return 0;
-	lhash = SK_RUN_FILTER(fp, skb);
+	lhash = BPF_PROG_RUN(fp, skb);
 	c = (char *) &lhash;
 	return c[0] ^ c[1] ^ c[2] ^ c[3];
 }
@@ -242,15 +241,15 @@
 	return 0;
 }
 
-static int __fprog_create(struct sock_fprog **pfprog, u32 data_len,
+static int __fprog_create(struct sock_fprog_kern **pfprog, u32 data_len,
 			  const void *data)
 {
-	struct sock_fprog *fprog;
+	struct sock_fprog_kern *fprog;
 	struct sock_filter *filter = (struct sock_filter *) data;
 
 	if (data_len % sizeof(struct sock_filter))
 		return -EINVAL;
-	fprog = kmalloc(sizeof(struct sock_fprog), GFP_KERNEL);
+	fprog = kmalloc(sizeof(*fprog), GFP_KERNEL);
 	if (!fprog)
 		return -ENOMEM;
 	fprog->filter = kmemdup(filter, data_len, GFP_KERNEL);
@@ -263,7 +262,7 @@
 	return 0;
 }
 
-static void __fprog_destroy(struct sock_fprog *fprog)
+static void __fprog_destroy(struct sock_fprog_kern *fprog)
 {
 	kfree(fprog->filter);
 	kfree(fprog);
@@ -272,9 +271,9 @@
 static int lb_bpf_func_set(struct team *team, struct team_gsetter_ctx *ctx)
 {
 	struct lb_priv *lb_priv = get_lb_priv(team);
-	struct sk_filter *fp = NULL;
-	struct sk_filter *orig_fp;
-	struct sock_fprog *fprog = NULL;
+	struct bpf_prog *fp = NULL;
+	struct bpf_prog *orig_fp = NULL;
+	struct sock_fprog_kern *fprog = NULL;
 	int err;
 
 	if (ctx->data.bin_val.len) {
@@ -282,7 +281,7 @@
 				     ctx->data.bin_val.ptr);
 		if (err)
 			return err;
-		err = sk_unattached_filter_create(&fp, fprog);
+		err = bpf_prog_create(&fp, fprog);
 		if (err) {
 			__fprog_destroy(fprog);
 			return err;
@@ -294,11 +293,15 @@
 		__fprog_destroy(lb_priv->ex->orig_fprog);
 		orig_fp = rcu_dereference_protected(lb_priv->fp,
 						lockdep_is_held(&team->lock));
-		sk_unattached_filter_destroy(orig_fp);
 	}
 
 	rcu_assign_pointer(lb_priv->fp, fp);
 	lb_priv->ex->orig_fprog = fprog;
+
+	if (orig_fp) {
+		synchronize_rcu();
+		bpf_prog_destroy(orig_fp);
+	}
 	return 0;
 }
 
@@ -433,9 +436,9 @@
 	struct lb_stats tmp;
 
 	do {
-		start = u64_stats_fetch_begin_bh(syncp);
+		start = u64_stats_fetch_begin_irq(syncp);
 		tmp.tx_bytes = cpu_stats->tx_bytes;
-	} while (u64_stats_fetch_retry_bh(syncp, start));
+	} while (u64_stats_fetch_retry_irq(syncp, start));
 	acc_stats->tx_bytes += tmp.tx_bytes;
 }
 
@@ -571,7 +574,7 @@
 {
 	struct lb_priv *lb_priv = get_lb_priv(team);
 	lb_select_tx_port_func_t *func;
-	int err;
+	int i, err;
 
 	/* set default tx port selector */
 	func = lb_select_tx_port_get_func("hash");
@@ -589,6 +592,13 @@
 		goto err_alloc_pcpu_stats;
 	}
 
+	for_each_possible_cpu(i) {
+		struct lb_pcpu_stats *team_lb_stats;
+		team_lb_stats = per_cpu_ptr(lb_priv->pcpu_stats, i);
+		u64_stats_init(&team_lb_stats->syncp);
+	}
+
+
 	INIT_DELAYED_WORK(&lb_priv->ex->stats.refresh_dw, lb_stats_refresh);
 
 	err = team_options_register(team, lb_options, ARRAY_SIZE(lb_options));