Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Minor conflict in r8169, bug fix had two versions in net
and net-next, take the net-next hunks.

Signed-off-by: David S. Miller <davem@davemloft.net>

31 files changed, 222 insertions, 127 deletions

diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index 6f08fd122a8d..7e052d6f759b 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -164,7 +164,7 @@ batadv_netlink_get_ifindex(const struct nlmsghdr *nlh, int attrtype)
 {
 	struct nlattr *attr = nlmsg_find_attr(nlh, GENL_HDRLEN, attrtype);
 
-	return attr ? nla_get_u32(attr) : 0;
+	return (attr && nla_len(attr) == sizeof(u32)) ? nla_get_u32(attr) : 0;
 }
 
 /**
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index c8177a89f52c..4096d8a74a2b 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -221,7 +221,7 @@ unsigned int ebt_do_table(struct sk_buff *skb,
 			return NF_DROP;
 		}
 
-		ADD_COUNTER(*(counter_base + i), 1, skb->len);
+		ADD_COUNTER(*(counter_base + i), skb->len, 1);
 
 		/* these should only watch: not modify, nor tell us
 		 * what to do with the packet
@@ -959,8 +959,8 @@ static void get_counters(const struct ebt_counter *oldcounters,
 			continue;
 		counter_base = COUNTER_BASE(oldcounters, nentries, cpu);
 		for (i = 0; i < nentries; i++)
-			ADD_COUNTER(counters[i], counter_base[i].pcnt,
-				    counter_base[i].bcnt);
+			ADD_COUNTER(counters[i], counter_base[i].bcnt,
+				    counter_base[i].pcnt);
 	}
 }
 
@@ -1280,7 +1280,7 @@ static int do_update_counters(struct net *net, const char *name,
 
 	/* we add to the counters of the first cpu */
 	for (i = 0; i < num_counters; i++)
-		ADD_COUNTER(t->private->counters[i], tmp[i].pcnt, tmp[i].bcnt);
+		ADD_COUNTER(t->private->counters[i], tmp[i].bcnt, tmp[i].pcnt);
 
 	write_unlock_bh(&t->lock);
 	ret = 0;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 0b2df09b2554..78ae6e8c953d 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1496,7 +1496,7 @@ static enum calc_target_result calc_target(struct ceph_osd_client *osdc,
 	struct ceph_osds up, acting;
 	bool force_resend = false;
 	bool unpaused = false;
-	bool legacy_change;
+	bool legacy_change = false;
 	bool split = false;
 	bool sort_bitwise = ceph_osdmap_flag(osdc, CEPH_OSDMAP_SORTBITWISE);
 	bool recovery_deletes = ceph_osdmap_flag(osdc,
@@ -1584,15 +1584,14 @@ static enum calc_target_result calc_target(struct ceph_osd_client *osdc,
 		t->osd = acting.primary;
 	}
 
-	if (unpaused || legacy_change || force_resend ||
-	    (split && con && CEPH_HAVE_FEATURE(con->peer_features,
-					       RESEND_ON_SPLIT)))
+	if (unpaused || legacy_change || force_resend || split)
 		ct_res = CALC_TARGET_NEED_RESEND;
 	else
 		ct_res = CALC_TARGET_NO_ACTION;
 
 out:
-	dout("%s t %p -> ct_res %d osd %d\n", __func__, t, ct_res, t->osd);
+	dout("%s t %p -> %d%d%d%d ct_res %d osd%d\n", __func__, t, unpaused,
+	     legacy_change, force_resend, split, ct_res, t->osd);
 	return ct_res;
 }
 
diff --git a/net/core/filter.c b/net/core/filter.c
index 0c1059cdad3d..b91988f8b94e 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -8841,13 +8841,13 @@ sk_reuseport_is_valid_access(int off, int size,
 		return size == size_default;
 
 	/* Fields that allow narrowing */
-	case offsetof(struct sk_reuseport_md, eth_protocol):
+	case bpf_ctx_range(struct sk_reuseport_md, eth_protocol):
 		if (size < FIELD_SIZEOF(struct sk_buff, protocol))
 			return false;
 		/* fall through */
-	case offsetof(struct sk_reuseport_md, ip_protocol):
-	case offsetof(struct sk_reuseport_md, bind_inany):
-	case offsetof(struct sk_reuseport_md, len):
+	case bpf_ctx_range(struct sk_reuseport_md, ip_protocol):
+	case bpf_ctx_range(struct sk_reuseport_md, bind_inany):
+	case bpf_ctx_range(struct sk_reuseport_md, len):
 		bpf_ctx_record_field_size(info, size_default);
 		return bpf_ctx_narrow_access_ok(off, size, size_default);
 
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 9741b593ea53..7c09d87d3269 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -142,8 +142,8 @@ int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr)
 		mutex_unlock(&flow_dissector_mutex);
 		return -ENOENT;
 	}
-	bpf_prog_put(attached);
 	RCU_INIT_POINTER(net->flow_dissector_prog, NULL);
+	bpf_prog_put(attached);
 	mutex_unlock(&flow_dissector_mutex);
 	return 0;
 }
diff --git a/net/core/sock.c b/net/core/sock.c
index 6d08553f885c..545fac19a711 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3287,16 +3287,17 @@ static __init int net_inuse_init(void)
 
 core_initcall(net_inuse_init);
 
-static void assign_proto_idx(struct proto *prot)
+static int assign_proto_idx(struct proto *prot)
 {
 	prot->inuse_idx = find_first_zero_bit(proto_inuse_idx, PROTO_INUSE_NR);
 
 	if (unlikely(prot->inuse_idx == PROTO_INUSE_NR - 1)) {
 		pr_err("PROTO_INUSE_NR exhausted\n");
-		return;
+		return -ENOSPC;
 	}
 
 	set_bit(prot->inuse_idx, proto_inuse_idx);
+	return 0;
 }
 
 static void release_proto_idx(struct proto *prot)
@@ -3305,8 +3306,9 @@ static void release_proto_idx(struct proto *prot)
 		clear_bit(prot->inuse_idx, proto_inuse_idx);
 }
 #else
-static inline void assign_proto_idx(struct proto *prot)
+static inline int assign_proto_idx(struct proto *prot)
 {
+	return 0;
 }
 
 static inline void release_proto_idx(struct proto *prot)
@@ -3355,6 +3357,8 @@ static int req_prot_init(const struct proto *prot)
 
 int proto_register(struct proto *prot, int alloc_slab)
 {
+	int ret = -ENOBUFS;
+
 	if (alloc_slab) {
 		prot->slab = kmem_cache_create_usercopy(prot->name,
 					prot->obj_size, 0,
@@ -3391,20 +3395,27 @@ int proto_register(struct proto *prot, int alloc_slab)
 	}
 
 	mutex_lock(&proto_list_mutex);
+	ret = assign_proto_idx(prot);
+	if (ret) {
+		mutex_unlock(&proto_list_mutex);
+		goto out_free_timewait_sock_slab_name;
+	}
 	list_add(&prot->node, &proto_list);
-	assign_proto_idx(prot);
 	mutex_unlock(&proto_list_mutex);
-	return 0;
+	return ret;
 
 out_free_timewait_sock_slab_name:
-	kfree(prot->twsk_prot->twsk_slab_name);
+	if (alloc_slab && prot->twsk_prot)
+		kfree(prot->twsk_prot->twsk_slab_name);
 out_free_request_sock_slab:
-	req_prot_cleanup(prot->rsk_prot);
+	if (alloc_slab) {
+		req_prot_cleanup(prot->rsk_prot);
 
-	kmem_cache_destroy(prot->slab);
-	prot->slab = NULL;
+		kmem_cache_destroy(prot->slab);
+		prot->slab = NULL;
+	}
 out:
-	return -ENOBUFS;
+	return ret;
 }
 EXPORT_SYMBOL(proto_register);
 
diff --git a/net/core/stream.c b/net/core/stream.c
index e94bb02a5629..4f1d4aa5fb38 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -120,7 +120,6 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
 	int err = 0;
 	long vm_wait = 0;
 	long current_timeo = *timeo_p;
-	bool noblock = (*timeo_p ? false : true);
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
 
 	if (sk_stream_memory_free(sk))
@@ -133,11 +132,8 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
 
 		if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN))
 			goto do_error;
-		if (!*timeo_p) {
-			if (noblock)
-				set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
-			goto do_nonblock;
-		}
+		if (!*timeo_p)
+			goto do_eagain;
 		if (signal_pending(current))
 			goto do_interrupted;
 		sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk);
@@ -169,7 +165,13 @@ out:
 do_error:
 	err = -EPIPE;
 	goto out;
-do_nonblock:
+do_eagain:
+	/* Make sure that whenever EAGAIN is returned, EPOLLOUT event can
+	 * be generated later.
+	 * When TCP receives ACK packets that make room, tcp_check_space()
+	 * only calls tcp_new_space() if SOCK_NOSPACE is set.
+	 */
+	set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
 	err = -EAGAIN;
 	goto out;
 do_interrupted:
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index dacbd58e1799..badc5cfe4dc6 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -1092,7 +1092,7 @@ static struct packet_type ieee802154_packet_type = {
 
 static int __init af_ieee802154_init(void)
 {
-	int rc = -EINVAL;
+	int rc;
 
 	rc = proto_register(&ieee802154_raw_prot, 1);
 	if (rc)
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 2b2b3d291ab0..1ab2fb6bb37d 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2145,7 +2145,7 @@ static int fn_trie_dump_leaf(struct key_vector *l, struct fib_table *tb,
 
 		if (filter->dump_exceptions) {
 			err = fib_dump_info_fnhe(skb, cb, tb->tb_id, fi,
-						 &i_fa, s_fa);
+						 &i_fa, s_fa, flags);
 			if (err < 0)
 				goto stop;
 		}
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 1510e951f451..4298aae74e0e 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -582,7 +582,13 @@ void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
 
 	if (!rt)
 		goto out;
-	net = dev_net(rt->dst.dev);
+
+	if (rt->dst.dev)
+		net = dev_net(rt->dst.dev);
+	else if (skb_in->dev)
+		net = dev_net(skb_in->dev);
+	else
+		goto out;
 
 	/*
 	 *	Find the original header. It is expected to be valid, of course.
@@ -902,7 +908,7 @@ static bool icmp_redirect(struct sk_buff *skb)
 		return false;
 	}
 
-	icmp_socket_deliver(skb, icmp_hdr(skb)->un.gateway);
+	icmp_socket_deliver(skb, ntohl(icmp_hdr(skb)->un.gateway));
 	return true;
 }
 
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 180f6896b98b..480d0b22db1a 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1475,7 +1475,7 @@ EXPORT_SYMBOL(__ip_mc_inc_group);
 
 void ip_mc_inc_group(struct in_device *in_dev, __be32 addr)
 {
-	__ip_mc_inc_group(in_dev, addr, MCAST_EXCLUDE);
+	__ip_mc_inc_group(in_dev, addr, GFP_KERNEL);
 }
 EXPORT_SYMBOL(ip_mc_inc_group);
 
@@ -2197,7 +2197,7 @@ static int __ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr,
 	iml->sflist = NULL;
 	iml->sfmode = mode;
 	rcu_assign_pointer(inet->mc_list, iml);
-	__ip_mc_inc_group(in_dev, addr, mode);
+	____ip_mc_inc_group(in_dev, addr, mode, GFP_KERNEL);
 	err = 0;
 done:
 	return err;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 517300d587a7..b6a6f18c3dd1 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2728,7 +2728,8 @@ EXPORT_SYMBOL_GPL(ip_route_output_flow);
 /* called with rcu_read_lock held */
 static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
 			struct rtable *rt, u32 table_id, struct flowi4 *fl4,
-			struct sk_buff *skb, u32 portid, u32 seq)
+			struct sk_buff *skb, u32 portid, u32 seq,
+			unsigned int flags)
 {
 	struct rtmsg *r;
 	struct nlmsghdr *nlh;
@@ -2736,7 +2737,7 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
 	u32 error;
 	u32 metrics[RTAX_MAX];
 
-	nlh = nlmsg_put(skb, portid, seq, RTM_NEWROUTE, sizeof(*r), 0);
+	nlh = nlmsg_put(skb, portid, seq, RTM_NEWROUTE, sizeof(*r), flags);
 	if (!nlh)
 		return -EMSGSIZE;
 
@@ -2860,7 +2861,7 @@ nla_put_failure:
 static int fnhe_dump_bucket(struct net *net, struct sk_buff *skb,
 			    struct netlink_callback *cb, u32 table_id,
 			    struct fnhe_hash_bucket *bucket, int genid,
-			    int *fa_index, int fa_start)
+			    int *fa_index, int fa_start, unsigned int flags)
 {
 	int i;
 
@@ -2891,7 +2892,7 @@ static int fnhe_dump_bucket(struct net *net, struct sk_buff *skb,
 			err = rt_fill_info(net, fnhe->fnhe_daddr, 0, rt,
 					   table_id, NULL, skb,
 					   NETLINK_CB(cb->skb).portid,
-					   cb->nlh->nlmsg_seq);
+					   cb->nlh->nlmsg_seq, flags);
 			if (err)
 				return err;
 next:
@@ -2904,7 +2905,7 @@ next:
 
 int fib_dump_info_fnhe(struct sk_buff *skb, struct netlink_callback *cb,
 		       u32 table_id, struct fib_info *fi,
-		       int *fa_index, int fa_start)
+		       int *fa_index, int fa_start, unsigned int flags)
 {
 	struct net *net = sock_net(cb->skb->sk);
 	int nhsel, genid = fnhe_genid(net);
@@ -2922,7 +2923,8 @@ int fib_dump_info_fnhe(struct sk_buff *skb, struct netlink_callback *cb,
 		err = 0;
 		if (bucket)
 			err = fnhe_dump_bucket(net, skb, cb, table_id, bucket,
-					       genid, fa_index, fa_start);
+					       genid, fa_index, fa_start,
+					       flags);
 		rcu_read_unlock();
 		if (err)
 			return err;
@@ -3183,7 +3185,8 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
 				    fl4.flowi4_tos, res.fi, 0);
 	} else {
 		err = rt_fill_info(net, dst, src, rt, table_id, &fl4, skb,
-				   NETLINK_CB(in_skb).portid, nlh->nlmsg_seq);
+				   NETLINK_CB(in_skb).portid,
+				   nlh->nlmsg_seq, 0);
 	}
 	if (err < 0)
 		goto errout_rcu;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index dc73888c7859..6a576ff92c39 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -478,7 +478,7 @@ static struct inet6_dev *ipv6_find_idev(struct net_device *dev)
 	if (!idev) {
 		idev = ipv6_add_dev(dev);
 		if (IS_ERR(idev))
-			return NULL;
+			return idev;
 	}
 
 	if (dev->flags&IFF_UP)
@@ -1045,7 +1045,8 @@ ipv6_add_addr(struct inet6_dev *idev, struct ifa6_config *cfg,
 	int err = 0;
 
 	if (addr_type == IPV6_ADDR_ANY ||
-	    addr_type & IPV6_ADDR_MULTICAST ||
+	    (addr_type & IPV6_ADDR_MULTICAST &&
+	     !(cfg->ifa_flags & IFA_F_MCAUTOJOIN)) ||
 	    (!(idev->dev->flags & IFF_LOOPBACK) &&
 	     !netif_is_l3_master(idev->dev) &&
 	     addr_type & IPV6_ADDR_LOOPBACK))
@@ -2465,8 +2466,8 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
 	ASSERT_RTNL();
 
 	idev = ipv6_find_idev(dev);
-	if (!idev)
-		return ERR_PTR(-ENOBUFS);
+	if (IS_ERR(idev))
+		return idev;
 
 	if (idev->cnf.disable_ipv6)
 		return ERR_PTR(-EACCES);
@@ -3158,7 +3159,7 @@ static void init_loopback(struct net_device *dev)
 	ASSERT_RTNL();
 
 	idev = ipv6_find_idev(dev);
-	if (!idev) {
+	if (IS_ERR(idev)) {
 		pr_debug("%s: add_dev failed\n", __func__);
 		return;
 	}
@@ -3373,7 +3374,7 @@ static void addrconf_sit_config(struct net_device *dev)
 	 */
 
 	idev = ipv6_find_idev(dev);
-	if (!idev) {
+	if (IS_ERR(idev)) {
 		pr_debug("%s: add_dev failed\n", __func__);
 		return;
 	}
@@ -3398,7 +3399,7 @@ static void addrconf_gre_config(struct net_device *dev)
 	ASSERT_RTNL();
 
 	idev = ipv6_find_idev(dev);
-	if (!idev) {
+	if (IS_ERR(idev)) {
 		pr_debug("%s: add_dev failed\n", __func__);
 		return;
 	}
@@ -4772,8 +4773,8 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh,
 			 IFA_F_MCAUTOJOIN | IFA_F_OPTIMISTIC;
 
 	idev = ipv6_find_idev(dev);
-	if (!idev)
-		return -ENOBUFS;
+	if (IS_ERR(idev))
+		return PTR_ERR(idev);
 
 	if (!ipv6_allow_optimistic_dad(net, idev))
 		cfg.ifa_flags &= ~IFA_F_OPTIMISTIC;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index ed56b0c6fe19..7c6edb7c5f10 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1549,6 +1549,11 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	if (!is_valid_ether_addr(mac))
 		return -EINVAL;
 
+	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
+	    sdata->vif.type == NL80211_IFTYPE_STATION &&
+	    !sdata->u.mgd.associated)
+		return -EINVAL;
+
 	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 	if (!sta)
 		return -ENOMEM;
@@ -1556,10 +1561,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
 		sta->sta.tdls = true;
 
-	if (sta->sta.tdls && sdata->vif.type == NL80211_IFTYPE_STATION &&
-	    !sdata->u.mgd.associated)
-		return -EINVAL;
-
 	err = sta_apply_parameters(local, sta, params);
 	if (err) {
 		sta_info_free(local, sta);
diff --git a/net/mpls/mpls_iptunnel.c b/net/mpls/mpls_iptunnel.c
index d25e91d7bdc1..44b675016393 100644
--- a/net/mpls/mpls_iptunnel.c
+++ b/net/mpls/mpls_iptunnel.c
@@ -133,12 +133,12 @@ static int mpls_xmit(struct sk_buff *skb)
 	mpls_stats_inc_outucastpkts(out_dev, skb);
 
 	if (rt) {
-		if (rt->rt_gw_family == AF_INET)
-			err = neigh_xmit(NEIGH_ARP_TABLE, out_dev, &rt->rt_gw4,
-					 skb);
-		else if (rt->rt_gw_family == AF_INET6)
+		if (rt->rt_gw_family == AF_INET6)
 			err = neigh_xmit(NEIGH_ND_TABLE, out_dev, &rt->rt_gw6,
 					 skb);
+		else
+			err = neigh_xmit(NEIGH_ARP_TABLE, out_dev, &rt->rt_gw4,
+					 skb);
 	} else if (rt6) {
 		if (ipv6_addr_v4mapped(&rt6->rt6i_gateway)) {
 			/* 6PE (RFC 4798) */
diff --git a/net/ncsi/ncsi-cmd.c b/net/ncsi/ncsi-cmd.c
index 5c3fad8cba57..0187e65176c0 100644
--- a/net/ncsi/ncsi-cmd.c
+++ b/net/ncsi/ncsi-cmd.c
@@ -54,7 +54,7 @@ static void ncsi_cmd_build_header(struct ncsi_pkt_hdr *h,
 	checksum = ncsi_calculate_checksum((unsigned char *)h,
 					   sizeof(*h) + nca->payload);
 	pchecksum = (__be32 *)((void *)h + sizeof(struct ncsi_pkt_hdr) +
-		    nca->payload);
+		    ALIGN(nca->payload, 4));
 	*pchecksum = htonl(checksum);
 }
 
@@ -309,14 +309,21 @@ static struct ncsi_request *ncsi_alloc_command(struct ncsi_cmd_arg *nca)
 
 int ncsi_xmit_cmd(struct ncsi_cmd_arg *nca)
 {
+	struct ncsi_cmd_handler *nch = NULL;
 	struct ncsi_request *nr;
+	unsigned char type;
 	struct ethhdr *eh;
-	struct ncsi_cmd_handler *nch = NULL;
 	int i, ret;
 
+	/* Use OEM generic handler for Netlink request */
+	if (nca->req_flags == NCSI_REQ_FLAG_NETLINK_DRIVEN)
+		type = NCSI_PKT_CMD_OEM;
+	else
+		type = nca->type;
+
 	/* Search for the handler */
 	for (i = 0; i < ARRAY_SIZE(ncsi_cmd_handlers); i++) {
-		if (ncsi_cmd_handlers[i].type == nca->type) {
+		if (ncsi_cmd_handlers[i].type == type) {
 			if (ncsi_cmd_handlers[i].handler)
 				nch = &ncsi_cmd_handlers[i];
 			else
diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c
index 5254004f2b42..dacabff9c467 100644
--- a/net/ncsi/ncsi-rsp.c
+++ b/net/ncsi/ncsi-rsp.c
@@ -47,7 +47,8 @@ static int ncsi_validate_rsp_pkt(struct ncsi_request *nr,
 	if (ntohs(h->code) != NCSI_PKT_RSP_C_COMPLETED ||
 	    ntohs(h->reason) != NCSI_PKT_RSP_R_NO_ERROR) {
 		netdev_dbg(nr->ndp->ndev.dev,
-			   "NCSI: non zero response/reason code\n");
+			   "NCSI: non zero response/reason code %04xh, %04xh\n",
+			    ntohs(h->code), ntohs(h->reason));
 		return -EPERM;
 	}
 
@@ -55,7 +56,7 @@ static int ncsi_validate_rsp_pkt(struct ncsi_request *nr,
 	 * sender doesn't support checksum according to NCSI
 	 * specification.
 	 */
-	pchecksum = (__be32 *)((void *)(h + 1) + payload - 4);
+	pchecksum = (__be32 *)((void *)(h + 1) + ALIGN(payload, 4) - 4);
 	if (ntohl(*pchecksum) == 0)
 		return 0;
 
@@ -63,7 +64,9 @@ static int ncsi_validate_rsp_pkt(struct ncsi_request *nr,
 					   sizeof(*h) + payload - 4);
 
 	if (*pchecksum != htonl(checksum)) {
-		netdev_dbg(nr->ndp->ndev.dev, "NCSI: checksum mismatched\n");
+		netdev_dbg(nr->ndp->ndev.dev,
+			   "NCSI: checksum mismatched; recd: %08x calc: %08x\n",
+			   *pchecksum, htonl(checksum));
 		return -EINVAL;
 	}
 
diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index 060a4ed46d5e..01705ad74a9a 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -149,6 +149,11 @@ static int nft_flow_offload_validate(const struct nft_ctx *ctx,
 	return nft_chain_validate_hooks(ctx->chain, hook_mask);
 }
 
+static const struct nla_policy nft_flow_offload_policy[NFTA_FLOW_MAX + 1] = {
+	[NFTA_FLOW_TABLE_NAME]	= { .type = NLA_STRING,
+				    .len = NFT_NAME_MAXLEN - 1 },
+};
+
 static int nft_flow_offload_init(const struct nft_ctx *ctx,
 				 const struct nft_expr *expr,
 				 const struct nlattr * const tb[])
@@ -207,6 +212,7 @@ static const struct nft_expr_ops nft_flow_offload_ops = {
 static struct nft_expr_type nft_flow_offload_type __read_mostly = {
 	.name		= "flow_offload",
 	.ops		= &nft_flow_offload_ops,
+	.policy		= nft_flow_offload_policy,
 	.maxattr	= NFTA_FLOW_MAX,
 	.owner		= THIS_MODULE,
 };
diff --git a/net/netfilter/xt_nfacct.c b/net/netfilter/xt_nfacct.c
index d0ab1adf5bff..5aab6df74e0f 100644
--- a/net/netfilter/xt_nfacct.c
+++ b/net/netfilter/xt_nfacct.c
@@ -54,25 +54,39 @@ nfacct_mt_destroy(const struct xt_mtdtor_param *par)
 	nfnl_acct_put(info->nfacct);
 }
 
-static struct xt_match nfacct_mt_reg __read_mostly = {
-	.name       = "nfacct",
-	.family     = NFPROTO_UNSPEC,
-	.checkentry = nfacct_mt_checkentry,
-	.match      = nfacct_mt,
-	.destroy    = nfacct_mt_destroy,
-	.matchsize  = sizeof(struct xt_nfacct_match_info),
-	.usersize   = offsetof(struct xt_nfacct_match_info, nfacct),
-	.me         = THIS_MODULE,
+static struct xt_match nfacct_mt_reg[] __read_mostly = {
+	{
+		.name       = "nfacct",
+		.revision   = 0,
+		.family     = NFPROTO_UNSPEC,
+		.checkentry = nfacct_mt_checkentry,
+		.match      = nfacct_mt,
+		.destroy    = nfacct_mt_destroy,
+		.matchsize  = sizeof(struct xt_nfacct_match_info),
+		.usersize   = offsetof(struct xt_nfacct_match_info, nfacct),
+		.me         = THIS_MODULE,
+	},
+	{
+		.name       = "nfacct",
+		.revision   = 1,
+		.family     = NFPROTO_UNSPEC,
+		.checkentry = nfacct_mt_checkentry,
+		.match      = nfacct_mt,
+		.destroy    = nfacct_mt_destroy,
+		.matchsize  = sizeof(struct xt_nfacct_match_info_v1),
+		.usersize   = offsetof(struct xt_nfacct_match_info_v1, nfacct),
+		.me         = THIS_MODULE,
+	},
 };
 
 static int __init nfacct_mt_init(void)
 {
-	return xt_register_match(&nfacct_mt_reg);
+	return xt_register_matches(nfacct_mt_reg, ARRAY_SIZE(nfacct_mt_reg));
 }
 
 static void __exit nfacct_mt_exit(void)
 {
-	xt_unregister_match(&nfacct_mt_reg);
+	xt_unregister_matches(nfacct_mt_reg, ARRAY_SIZE(nfacct_mt_reg));
 }
 
 module_init(nfacct_mt_init);
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 848c6eb55064..d8da6477d6be 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -67,6 +67,7 @@ struct ovs_conntrack_info {
 	struct md_mark mark;
 	struct md_labels labels;
 	char timeout[CTNL_TIMEOUT_NAME_MAX];
+	struct nf_ct_timeout *nf_ct_timeout;
 #if IS_ENABLED(CONFIG_NF_NAT)
 	struct nf_nat_range2 range;  /* Only present for SRC NAT and DST NAT. */
 #endif
@@ -697,6 +698,14 @@ static bool skb_nfct_cached(struct net *net,
 		if (help && rcu_access_pointer(help->helper) != info->helper)
 			return false;
 	}
+	if (info->nf_ct_timeout) {
+		struct nf_conn_timeout *timeout_ext;
+
+		timeout_ext = nf_ct_timeout_find(ct);
+		if (!timeout_ext || info->nf_ct_timeout !=
+		    rcu_dereference(timeout_ext->timeout))
+			return false;
+	}
 	/* Force conntrack entry direction to the current packet? */
 	if (info->force && CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL) {
 		/* Delete the conntrack entry if confirmed, else just release
@@ -1565,7 +1574,7 @@ static int parse_ct(const struct nlattr *attr, struct ovs_conntrack_info *info,
 		case OVS_CT_ATTR_TIMEOUT:
 			memcpy(info->timeout, nla_data(a), nla_len(a));
 			if (!memchr(info->timeout, '\0', nla_len(a))) {
-				OVS_NLERR(log, "Invalid conntrack helper");
+				OVS_NLERR(log, "Invalid conntrack timeout");
 				return -EINVAL;
 			}
 			break;
@@ -1657,6 +1666,10 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr,
 				      ct_info.timeout))
 			pr_info_ratelimited("Failed to associated timeout "
 					    "policy `%s'\n", ct_info.timeout);
+		else
+			ct_info.nf_ct_timeout = rcu_dereference(
+				nf_ct_timeout_find(ct_info.ct)->timeout);
+
 	}
 
 	if (helper) {
diff --git a/net/rds/ib.c b/net/rds/ib.c
index ec05d91aa9a2..45acab2de0cf 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -291,7 +291,7 @@ static int rds_ib_conn_info_visitor(struct rds_connection *conn,
 				    void *buffer)
 {
 	struct rds_info_rdma_connection *iinfo = buffer;
-	struct rds_ib_connection *ic;
+	struct rds_ib_connection *ic = conn->c_transport_data;
 
 	/* We will only ever look at IB transports */
 	if (conn->c_trans != &rds_ib_transport)
@@ -301,15 +301,16 @@ static int rds_ib_conn_info_visitor(struct rds_connection *conn,
 
 	iinfo->src_addr = conn->c_laddr.s6_addr32[3];
 	iinfo->dst_addr = conn->c_faddr.s6_addr32[3];
-	iinfo->tos = conn->c_tos;
+	if (ic) {
+		iinfo->tos = conn->c_tos;
+		iinfo->sl = ic->i_sl;
+	}
 
 	memset(&iinfo->src_gid, 0, sizeof(iinfo->src_gid));
 	memset(&iinfo->dst_gid, 0, sizeof(iinfo->dst_gid));
 	if (rds_conn_state(conn) == RDS_CONN_UP) {
 		struct rds_ib_device *rds_ibdev;
 
-		ic = conn->c_transport_data;
-
 		rdma_read_gids(ic->i_cm_id, (union ib_gid *)&iinfo->src_gid,
 			       (union ib_gid *)&iinfo->dst_gid);
 
@@ -329,7 +330,7 @@ static int rds6_ib_conn_info_visitor(struct rds_connection *conn,
 				     void *buffer)
 {
 	struct rds6_info_rdma_connection *iinfo6 = buffer;
-	struct rds_ib_connection *ic;
+	struct rds_ib_connection *ic = conn->c_transport_data;
 
 	/* We will only ever look at IB transports */
 	if (conn->c_trans != &rds_ib_transport)
@@ -337,6 +338,10 @@ static int rds6_ib_conn_info_visitor(struct rds_connection *conn,
 
 	iinfo6->src_addr = conn->c_laddr;
 	iinfo6->dst_addr = conn->c_faddr;
+	if (ic) {
+		iinfo6->tos = conn->c_tos;
+		iinfo6->sl = ic->i_sl;
+	}
 
 	memset(&iinfo6->src_gid, 0, sizeof(iinfo6->src_gid));
 	memset(&iinfo6->dst_gid, 0, sizeof(iinfo6->dst_gid));
@@ -344,7 +349,6 @@ static int rds6_ib_conn_info_visitor(struct rds_connection *conn,
 	if (rds_conn_state(conn) == RDS_CONN_UP) {
 		struct rds_ib_device *rds_ibdev;
 
-		ic = conn->c_transport_data;
 		rdma_read_gids(ic->i_cm_id, (union ib_gid *)&iinfo6->src_gid,
 			       (union ib_gid *)&iinfo6->dst_gid);
 		rds_ibdev = ic->rds_ibdev;
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 303c6ee8bdb7..f2b558e8b5ea 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -220,6 +220,7 @@ struct rds_ib_connection {
 	/* Send/Recv vectors */
 	int			i_scq_vector;
 	int			i_rcq_vector;
+	u8			i_sl;
 };
 
 /* This assumes that atomic_t is at least 32 bits */
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index fddaa09f7b0d..233f1368162b 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -152,6 +152,9 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn, struct rdma_cm_even
 		  RDS_PROTOCOL_MINOR(conn->c_version),
 		  ic->i_flowctl ? ", flow control" : "");
 
+	/* receive sl from the peer */
+	ic->i_sl = ic->i_cm_id->route.path_rec->sl;
+
 	atomic_set(&ic->i_cq_quiesce, 0);
 
 	/* Init rings and fill recv. this needs to wait until protocol
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 9986d6065c4d..5f741e51b4ba 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -43,6 +43,9 @@ static struct rdma_cm_id *rds_rdma_listen_id;
 static struct rdma_cm_id *rds6_rdma_listen_id;
 #endif
 
+/* Per IB specification 7.7.3, service level is a 4-bit field. */
+#define TOS_TO_SL(tos)		((tos) & 0xF)
+
 static int rds_rdma_cm_event_handler_cmn(struct rdma_cm_id *cm_id,
 					 struct rdma_cm_event *event,
 					 bool isv6)
@@ -97,10 +100,13 @@ static int rds_rdma_cm_event_handler_cmn(struct rdma_cm_id *cm_id,
 			struct rds_ib_connection *ibic;
 
 			ibic = conn->c_transport_data;
-			if (ibic && ibic->i_cm_id == cm_id)
+			if (ibic && ibic->i_cm_id == cm_id) {
+				cm_id->route.path_rec[0].sl =
+					TOS_TO_SL(conn->c_tos);
 				ret = trans->cm_initiate_connect(cm_id, isv6);
-			else
+			} else {
 				rds_conn_drop(conn);
+			}
 		}
 		break;
 
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index f0de323d15d6..6c8f09c1ce51 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -76,13 +76,11 @@ static int smc_tx_wait(struct smc_sock *smc, int flags)
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
 	struct smc_connection *conn = &smc->conn;
 	struct sock *sk = &smc->sk;
-	bool noblock;
 	long timeo;
 	int rc = 0;
 
 	/* similar to sk_stream_wait_memory */
 	timeo = sock_sndtimeo(sk, flags & MSG_DONTWAIT);
-	noblock = timeo ? false : true;
 	add_wait_queue(sk_sleep(sk), &wait);
 	while (1) {
 		sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk);
@@ -97,8 +95,8 @@ static int smc_tx_wait(struct smc_sock *smc, int flags)
 			break;
 		}
 		if (!timeo) {
-			if (noblock)
-				set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
+			/* ensure EPOLLOUT is subsequently generated */
+			set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
 			rc = -EAGAIN;
 			break;
 		}
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d8679b6027e9..a07b516e503a 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1970,6 +1970,7 @@ call_bind(struct rpc_task *task)
 static void
 call_bind_status(struct rpc_task *task)
 {
+	struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;
 	int status = -EIO;
 
 	if (rpc_task_transmitted(task)) {
@@ -1977,14 +1978,15 @@ call_bind_status(struct rpc_task *task)
 		return;
 	}
 
-	if (task->tk_status >= 0) {
-		dprint_status(task);
+	dprint_status(task);
+	trace_rpc_bind_status(task);
+	if (task->tk_status >= 0)
+		goto out_next;
+	if (xprt_bound(xprt)) {
 		task->tk_status = 0;
-		task->tk_action = call_connect;
-		return;
+		goto out_next;
 	}
 
-	trace_rpc_bind_status(task);
 	switch (task->tk_status) {
 	case -ENOMEM:
 		dprintk("RPC: %5u rpcbind out of memory\n", task->tk_pid);
@@ -2003,6 +2005,9 @@ call_bind_status(struct rpc_task *task)
 		task->tk_rebind_retry--;
 		rpc_delay(task, 3*HZ);
 		goto retry_timeout;
+	case -ENOBUFS:
+		rpc_delay(task, HZ >> 2);
+		goto retry_timeout;
 	case -EAGAIN:
 		goto retry_timeout;
 	case -ETIMEDOUT:
@@ -2026,7 +2031,6 @@ call_bind_status(struct rpc_task *task)
 	case -ENETDOWN:
 	case -EHOSTUNREACH:
 	case -ENETUNREACH:
-	case -ENOBUFS:
 	case -EPIPE:
 		dprintk("RPC: %5u remote rpcbind unreachable: %d\n",
 				task->tk_pid, task->tk_status);
@@ -2043,7 +2047,9 @@ call_bind_status(struct rpc_task *task)
 
 	rpc_call_rpcerror(task, status);
 	return;
-
+out_next:
+	task->tk_action = call_connect;
+	return;
 retry_timeout:
 	task->tk_status = 0;
 	task->tk_action = call_bind;
@@ -2090,6 +2096,7 @@ call_connect(struct rpc_task *task)
 static void
 call_connect_status(struct rpc_task *task)
 {
+	struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;
 	struct rpc_clnt *clnt = task->tk_client;
 	int status = task->tk_status;
 
@@ -2099,8 +2106,17 @@ call_connect_status(struct rpc_task *task)
 	}
 
 	dprint_status(task);
-
 	trace_rpc_connect_status(task);
+
+	if (task->tk_status == 0) {
+		clnt->cl_stats->netreconn++;
+		goto out_next;
+	}
+	if (xprt_connected(xprt)) {
+		task->tk_status = 0;
+		goto out_next;
+	}
+
 	task->tk_status = 0;
 	switch (status) {
 	case -ECONNREFUSED:
@@ -2117,8 +2133,6 @@ call_connect_status(struct rpc_task *task)
 	case -ENETDOWN:
 	case -ENETUNREACH:
 	case -EHOSTUNREACH:
-	case -EADDRINUSE:
-	case -ENOBUFS:
 	case -EPIPE:
 		xprt_conditional_disconnect(task->tk_rqstp->rq_xprt,
 					    task->tk_rqstp->rq_connect_cookie);
@@ -2127,17 +2141,20 @@ call_connect_status(struct rpc_task *task)
 		/* retry with existing socket, after a delay */
 		rpc_delay(task, 3*HZ);
 		/* fall through */
+	case -EADDRINUSE:
 	case -ENOTCONN:
 	case -EAGAIN:
 	case -ETIMEDOUT:
 		goto out_retry;
-	case 0:
-		clnt->cl_stats->netreconn++;
-		task->tk_action = call_transmit;
-		return;
+	case -ENOBUFS:
+		rpc_delay(task, HZ >> 2);
+		goto out_retry;
 	}
 	rpc_call_rpcerror(task, status);
 	return;
+out_next:
+	task->tk_action = call_transmit;
+	return;
 out_retry:
 	/* Check for timeouts before looping back to call_bind */
 	task->tk_action = call_bind;
@@ -2365,7 +2382,7 @@ call_status(struct rpc_task *task)
 	case -ECONNABORTED:
 	case -ENOTCONN:
 		rpc_force_rebind(clnt);
-		/* fall through */
+		break;
 	case -EADDRINUSE:
 		rpc_delay(task, 3*HZ);
 		/* fall through */
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 783748dc5e6f..2e71f5455c6c 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1408,13 +1408,6 @@ xprt_request_transmit(struct rpc_rqst *req, struct rpc_task *snd_task)
 			status = -EBADMSG;
 			goto out_dequeue;
 		}
-		if (task->tk_ops->rpc_call_prepare_transmit) {
-			task->tk_ops->rpc_call_prepare_transmit(task,
-					task->tk_calldata);
-			status = task->tk_status;
-			if (status < 0)
-				goto out_dequeue;
-		}
 		if (RPC_SIGNALLED(task)) {
 			status = -ERESTARTSYS;
 			goto out_dequeue;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 646107af9f41..5311d0ae2454 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2788,7 +2788,7 @@ static void reg_process_pending_hints(void)
 
 	/* When last_request->processed becomes true this will be rescheduled */
 	if (lr && !lr->processed) {
-		reg_process_hint(lr);
+		pr_debug("Pending regulatory request, waiting for it to be processed...\n");
 		return;
 	}
 
diff --git a/net/wireless/util.c b/net/wireless/util.c
index c99939067bb0..92cb2cbb179b 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -242,25 +242,30 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 
 	switch (params->cipher) {
 	case WLAN_CIPHER_SUITE_TKIP:
+		/* Extended Key ID can only be used with CCMP/GCMP ciphers */
+		if ((pairwise && key_idx) ||
+		    params->mode != NL80211_KEY_RX_TX)
+			return -EINVAL;
+		break;
 	case WLAN_CIPHER_SUITE_CCMP:
 	case WLAN_CIPHER_SUITE_CCMP_256:
 	case WLAN_CIPHER_SUITE_GCMP:
 	case WLAN_CIPHER_SUITE_GCMP_256:
-		/* IEEE802.11-2016 allows only 0 and - when using Extended Key
-		 * ID - 1 as index for pairwise keys.
+		/* IEEE802.11-2016 allows only 0 and - when supporting
+		 * Extended Key ID - 1 as index for pairwise keys.
 		 * @NL80211_KEY_NO_TX is only allowed for pairwise keys when
 		 * the driver supports Extended Key ID.
 		 * @NL80211_KEY_SET_TX can't be set when installing and
 		 * validating a key.
 		 */
-		if (params->mode == NL80211_KEY_NO_TX) {
-			if (!wiphy_ext_feature_isset(&rdev->wiphy,
-						     NL80211_EXT_FEATURE_EXT_KEY_ID))
-				return -EINVAL;
-			else if (!pairwise || key_idx < 0 || key_idx > 1)
+		if ((params->mode == NL80211_KEY_NO_TX && !pairwise) ||
+		    params->mode == NL80211_KEY_SET_TX)
+			return -EINVAL;
+		if (wiphy_ext_feature_isset(&rdev->wiphy,
+					    NL80211_EXT_FEATURE_EXT_KEY_ID)) {
+			if (pairwise && (key_idx < 0 || key_idx > 1))
 				return -EINVAL;
-		} else if ((pairwise && key_idx) ||
-			   params->mode == NL80211_KEY_SET_TX) {
+		} else if (pairwise && key_idx) {
 			return -EINVAL;
 		}
 		break;
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index a0607969f8c0..0e0062127124 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -375,7 +375,7 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
 	umem->pages = kcalloc(umem->npgs, sizeof(*umem->pages), GFP_KERNEL);
 	if (!umem->pages) {
 		err = -ENOMEM;
-		goto out_account;
+		goto out_pin;
 	}
 
 	for (i = 0; i < umem->npgs; i++)
@@ -383,6 +383,8 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
 
 	return 0;
 
+out_pin:
+	xdp_umem_unpin_pages(umem);
 out_account:
 	xdp_umem_unaccount_pages(umem);
 	return err;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 8ca637a72697..ec94f5795ea4 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3269,7 +3269,7 @@ decode_session4(struct sk_buff *skb, struct flowi *fl, bool reverse)
 	struct flowi4 *fl4 = &fl->u.ip4;
 	int oif = 0;
 
-	if (skb_dst(skb))
+	if (skb_dst(skb) && skb_dst(skb)->dev)
 		oif = skb_dst(skb)->dev->ifindex;
 
 	memset(fl4, 0, sizeof(struct flowi4));
@@ -3387,7 +3387,7 @@ decode_session6(struct sk_buff *skb, struct flowi *fl, bool reverse)
 
 	nexthdr = nh[nhoff];
 
-	if (skb_dst(skb))
+	if (skb_dst(skb) && skb_dst(skb)->dev)
 		oif = skb_dst(skb)->dev->ifindex;
 
 	memset(fl6, 0, sizeof(struct flowi6));