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

Pull networking updates from David Miller:
 "Another merge window, another pull full of stuff:

   1) Support alternative names for network devices, from Jiri Pirko.

   2) Introduce per-netns netdev notifiers, also from Jiri Pirko.

   3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara
      Larsen.

   4) Allow compiling out the TLS TOE code, from Jakub Kicinski.

   5) Add several new tracepoints to the kTLS code, also from Jakub.

   6) Support set channels ethtool callback in ena driver, from Sameeh
      Jubran.

   7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED,
      SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long.

   8) Add XDP support to mvneta driver, from Lorenzo Bianconi.

   9) Lots of netfilter hw offload fixes, cleanups and enhancements,
      from Pablo Neira Ayuso.

  10) PTP support for aquantia chips, from Egor Pomozov.

  11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From
      Josh Hunt.

  12) Add smart nagle to tipc, from Jon Maloy.

  13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat
      Duvvuru.

  14) Add a flow mask cache to OVS, from Tonghao Zhang.

  15) Add XDP support to ice driver, from Maciej Fijalkowski.

  16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak.

  17) Support UDP GSO offload in atlantic driver, from Igor Russkikh.

  18) Support it in stmmac driver too, from Jose Abreu.

  19) Support TIPC encryption and auth, from Tuong Lien.

  20) Introduce BPF trampolines, from Alexei Starovoitov.

  21) Make page_pool API more numa friendly, from Saeed Mahameed.

  22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni.

  23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits)
  libbpf: Fix usage of u32 in userspace code
  mm: Implement no-MMU variant of vmalloc_user_node_flags
  slip: Fix use-after-free Read in slip_open
  net: dsa: sja1105: fix sja1105_parse_rgmii_delays()
  macvlan: schedule bc_work even if error
  enetc: add support Credit Based Shaper(CBS) for hardware offload
  net: phy: add helpers phy_(un)lock_mdio_bus
  mdio_bus: don't use managed reset-controller
  ax88179_178a: add ethtool_op_get_ts_info()
  mlxsw: spectrum_router: Fix use of uninitialized adjacency index
  mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels
  bpf: Simplify __bpf_arch_text_poke poke type handling
  bpf: Introduce BPF_TRACE_x helper for the tracing tests
  bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT
  bpf, testing: Add various tail call test cases
  bpf, x86: Emit patchable direct jump as tail call
  bpf: Constant map key tracking for prog array pokes
  bpf: Add poke dependency tracking for prog array maps
  bpf: Add initial poke descriptor table for jit images
  bpf: Move owner type, jited info into array auxiliary data
  ...

1 files changed, 67 insertions, 190 deletions

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index d7bfc7a0e4c0..e7ce73b9f016 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -39,7 +39,6 @@
 
 
 static int qeth_l3_set_offline(struct ccwgroup_device *);
-static void qeth_l3_set_rx_mode(struct net_device *dev);
 static int qeth_l3_register_addr_entry(struct qeth_card *,
 		struct qeth_ipaddr *);
 static int qeth_l3_deregister_addr_entry(struct qeth_card *,
@@ -64,19 +63,10 @@ void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
 		qeth_l3_ipaddr6_to_string(addr, buf);
 }
 
-static struct qeth_ipaddr *qeth_l3_get_addr_buffer(enum qeth_prot_versions prot)
-{
-	struct qeth_ipaddr *addr = kmalloc(sizeof(*addr), GFP_ATOMIC);
-
-	if (addr)
-		qeth_l3_init_ipaddr(addr, QETH_IP_TYPE_NORMAL, prot);
-	return addr;
-}
-
 static struct qeth_ipaddr *qeth_l3_find_addr_by_ip(struct qeth_card *card,
 						   struct qeth_ipaddr *query)
 {
-	u64 key = qeth_l3_ipaddr_hash(query);
+	u32 key = qeth_l3_ipaddr_hash(query);
 	struct qeth_ipaddr *addr;
 
 	if (query->is_multicast) {
@@ -217,13 +207,10 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
 			 "Registering IP address %s failed\n", buf);
 		return -EADDRINUSE;
 	} else {
-		addr = qeth_l3_get_addr_buffer(tmp_addr->proto);
+		addr = kmemdup(tmp_addr, sizeof(*tmp_addr), GFP_KERNEL);
 		if (!addr)
 			return -ENOMEM;
 
-		memcpy(addr, tmp_addr, sizeof(struct qeth_ipaddr));
-		addr->ref_counter = 1;
-
 		if (qeth_l3_is_addr_covered_by_ipato(card, addr)) {
 			QETH_CARD_TEXT(card, 2, "tkovaddr");
 			addr->ipato = 1;
@@ -381,12 +368,13 @@ static int qeth_l3_send_setdelmc(struct qeth_card *card,
 	if (!iob)
 		return -ENOMEM;
 	cmd = __ipa_cmd(iob);
-	ether_addr_copy(cmd->data.setdelipm.mac, addr->mac);
-	if (addr->proto == QETH_PROT_IPV6)
-		memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
-		       sizeof(struct in6_addr));
-	else
-		memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4);
+	if (addr->proto == QETH_PROT_IPV6) {
+		cmd->data.setdelipm.ip = addr->u.a6.addr;
+		ipv6_eth_mc_map(&addr->u.a6.addr, cmd->data.setdelipm.mac);
+	} else {
+		cmd->data.setdelipm.ip.s6_addr32[3] = addr->u.a4.addr;
+		ip_eth_mc_map(addr->u.a4.addr, cmd->data.setdelipm.mac);
+	}
 
 	return qeth_send_ipa_cmd(card, iob, qeth_l3_setdelip_cb, NULL);
 }
@@ -953,8 +941,6 @@ static int qeth_l3_start_ipassists(struct qeth_card *card)
 {
 	QETH_CARD_TEXT(card, 3, "strtipas");
 
-	if (qeth_set_access_ctrl_online(card, 0))
-		return -EIO;
 	qeth_l3_start_ipa_arp_processing(card);	/* go on*/
 	qeth_l3_start_ipa_source_mac(card);	/* go on*/
 	qeth_l3_start_ipa_vlan(card);		/* go on*/
@@ -1115,176 +1101,83 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd)
 	return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL);
 }
 
-static void
-qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev)
+static int qeth_l3_add_mcast_rtnl(struct net_device *dev, int vid, void *arg)
 {
+	struct qeth_card *card = arg;
+	struct inet6_dev *in6_dev;
+	struct in_device *in4_dev;
+	struct qeth_ipaddr *ipm;
+	struct qeth_ipaddr tmp;
 	struct ip_mc_list *im4;
-	struct qeth_ipaddr *tmp, *ipm;
+	struct ifmcaddr6 *im6;
 
 	QETH_CARD_TEXT(card, 4, "addmc");
 
-	tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
-	if (!tmp)
-		return;
+	if (!dev || !(dev->flags & IFF_UP))
+		goto out;
+
+	in4_dev = __in_dev_get_rtnl(dev);
+	if (!in4_dev)
+		goto walk_ipv6;
 
-	for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL;
-	     im4 = rcu_dereference(im4->next_rcu)) {
-		ip_eth_mc_map(im4->multiaddr, tmp->mac);
-		tmp->u.a4.addr = be32_to_cpu(im4->multiaddr);
-		tmp->is_multicast = 1;
+	qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV4);
+	tmp.disp_flag = QETH_DISP_ADDR_ADD;
+	tmp.is_multicast = 1;
 
-		ipm = qeth_l3_find_addr_by_ip(card, tmp);
+	for (im4 = rtnl_dereference(in4_dev->mc_list); im4 != NULL;
+	     im4 = rtnl_dereference(im4->next_rcu)) {
+		tmp.u.a4.addr = im4->multiaddr;
+
+		ipm = qeth_l3_find_addr_by_ip(card, &tmp);
 		if (ipm) {
 			/* for mcast, by-IP match means full match */
 			ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
-		} else {
-			ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
-			if (!ipm)
-				continue;
-			ether_addr_copy(ipm->mac, tmp->mac);
-			ipm->u.a4.addr = be32_to_cpu(im4->multiaddr);
-			ipm->is_multicast = 1;
-			ipm->disp_flag = QETH_DISP_ADDR_ADD;
-			hash_add(card->ip_mc_htable,
-					&ipm->hnode, qeth_l3_ipaddr_hash(ipm));
+			continue;
 		}
-	}
-
-	kfree(tmp);
-}
 
-/* called with rcu_read_lock */
-static void qeth_l3_add_vlan_mc(struct qeth_card *card)
-{
-	struct in_device *in_dev;
-	u16 vid;
-
-	QETH_CARD_TEXT(card, 4, "addmcvl");
-
-	if (!qeth_is_supported(card, IPA_FULL_VLAN))
-		return;
-
-	for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
-		struct net_device *netdev;
-
-		netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
-					      vid);
-		if (netdev == NULL ||
-		    !(netdev->flags & IFF_UP))
-			continue;
-		in_dev = __in_dev_get_rcu(netdev);
-		if (!in_dev)
+		ipm = kmemdup(&tmp, sizeof(tmp), GFP_KERNEL);
+		if (!ipm)
 			continue;
-		qeth_l3_add_mc_to_hash(card, in_dev);
-	}
-}
 
-static void qeth_l3_add_multicast_ipv4(struct qeth_card *card)
-{
-	struct in_device *in4_dev;
-
-	QETH_CARD_TEXT(card, 4, "chkmcv4");
-
-	rcu_read_lock();
-	in4_dev = __in_dev_get_rcu(card->dev);
-	if (in4_dev == NULL)
-		goto unlock;
-	qeth_l3_add_mc_to_hash(card, in4_dev);
-	qeth_l3_add_vlan_mc(card);
-unlock:
-	rcu_read_unlock();
-}
+		hash_add(card->ip_mc_htable, &ipm->hnode,
+			 qeth_l3_ipaddr_hash(ipm));
+	}
 
-static void qeth_l3_add_mc6_to_hash(struct qeth_card *card,
-				    struct inet6_dev *in6_dev)
-{
-	struct qeth_ipaddr *ipm;
-	struct ifmcaddr6 *im6;
-	struct qeth_ipaddr *tmp;
+walk_ipv6:
+	if (!qeth_is_supported(card, IPA_IPV6))
+		goto out;
 
-	QETH_CARD_TEXT(card, 4, "addmc6");
+	in6_dev = __in6_dev_get(dev);
+	if (!in6_dev)
+		goto out;
 
-	tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
-	if (!tmp)
-		return;
+	qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6);
+	tmp.disp_flag = QETH_DISP_ADDR_ADD;
+	tmp.is_multicast = 1;
 
+	read_lock_bh(&in6_dev->lock);
 	for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
-		ipv6_eth_mc_map(&im6->mca_addr, tmp->mac);
-		memcpy(&tmp->u.a6.addr, &im6->mca_addr.s6_addr,
-		       sizeof(struct in6_addr));
-		tmp->is_multicast = 1;
+		tmp.u.a6.addr = im6->mca_addr;
 
-		ipm = qeth_l3_find_addr_by_ip(card, tmp);
+		ipm = qeth_l3_find_addr_by_ip(card, &tmp);
 		if (ipm) {
 			/* for mcast, by-IP match means full match */
 			ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
 			continue;
 		}
 
-		ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
+		ipm = kmemdup(&tmp, sizeof(tmp), GFP_ATOMIC);
 		if (!ipm)
 			continue;
 
-		ether_addr_copy(ipm->mac, tmp->mac);
-		memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr,
-		       sizeof(struct in6_addr));
-		ipm->is_multicast = 1;
-		ipm->disp_flag = QETH_DISP_ADDR_ADD;
 		hash_add(card->ip_mc_htable,
 				&ipm->hnode, qeth_l3_ipaddr_hash(ipm));
 
 	}
-	kfree(tmp);
-}
-
-/* called with rcu_read_lock */
-static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
-{
-	struct inet6_dev *in_dev;
-	u16 vid;
-
-	QETH_CARD_TEXT(card, 4, "admc6vl");
-
-	if (!qeth_is_supported(card, IPA_FULL_VLAN))
-		return;
-
-	for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
-		struct net_device *netdev;
-
-		netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
-					      vid);
-		if (netdev == NULL ||
-		    !(netdev->flags & IFF_UP))
-			continue;
-		in_dev = in6_dev_get(netdev);
-		if (!in_dev)
-			continue;
-		read_lock_bh(&in_dev->lock);
-		qeth_l3_add_mc6_to_hash(card, in_dev);
-		read_unlock_bh(&in_dev->lock);
-		in6_dev_put(in_dev);
-	}
-}
-
-static void qeth_l3_add_multicast_ipv6(struct qeth_card *card)
-{
-	struct inet6_dev *in6_dev;
-
-	QETH_CARD_TEXT(card, 4, "chkmcv6");
-
-	if (!qeth_is_supported(card, IPA_IPV6))
-		return ;
-	in6_dev = in6_dev_get(card->dev);
-	if (!in6_dev)
-		return;
-
-	rcu_read_lock();
-	read_lock_bh(&in6_dev->lock);
-	qeth_l3_add_mc6_to_hash(card, in6_dev);
-	qeth_l3_add_vlan_mc6(card);
 	read_unlock_bh(&in6_dev->lock);
-	rcu_read_unlock();
-	in6_dev_put(in6_dev);
+
+out:
+	return 0;
 }
 
 static int qeth_l3_vlan_rx_add_vid(struct net_device *dev,
@@ -1292,7 +1185,7 @@ static int qeth_l3_vlan_rx_add_vid(struct net_device *dev,
 {
 	struct qeth_card *card = dev->ml_priv;
 
-	set_bit(vid, card->active_vlans);
+	QETH_CARD_TEXT_(card, 4, "aid:%d", vid);
 	return 0;
 }
 
@@ -1302,9 +1195,6 @@ static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev,
 	struct qeth_card *card = dev->ml_priv;
 
 	QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
-
-	clear_bit(vid, card->active_vlans);
-	qeth_l3_set_rx_mode(dev);
 	return 0;
 }
 
@@ -1372,7 +1262,6 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
 	int work_done = 0;
 	struct sk_buff *skb;
 	struct qeth_hdr *hdr;
-	unsigned int len;
 
 	*done = 0;
 	WARN_ON_ONCE(!budget);
@@ -1384,25 +1273,17 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
 			*done = 1;
 			break;
 		}
-		switch (hdr->hdr.l3.id) {
-		case QETH_HEADER_TYPE_LAYER3:
+
+		if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
 			qeth_l3_rebuild_skb(card, skb, hdr);
-			/* fall through */
-		case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
-			skb->protocol = eth_type_trans(skb, skb->dev);
-			len = skb->len;
-			napi_gro_receive(&card->napi, skb);
-			break;
-		default:
-			dev_kfree_skb_any(skb);
-			QETH_CARD_TEXT(card, 3, "inbunkno");
-			QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr));
-			continue;
-		}
+
+		skb->protocol = eth_type_trans(skb, skb->dev);
+		QETH_CARD_STAT_INC(card, rx_packets);
+		QETH_CARD_STAT_ADD(card, rx_bytes, skb->len);
+
+		napi_gro_receive(&card->napi, skb);
 		work_done++;
 		budget--;
-		QETH_CARD_STAT_INC(card, rx_packets);
-		QETH_CARD_STAT_ADD(card, rx_bytes, len);
 	}
 	return work_done;
 }
@@ -1468,8 +1349,11 @@ static void qeth_l3_rx_mode_work(struct work_struct *work)
 	QETH_CARD_TEXT(card, 3, "setmulti");
 
 	if (!card->options.sniffer) {
-		qeth_l3_add_multicast_ipv4(card);
-		qeth_l3_add_multicast_ipv6(card);
+		rtnl_lock();
+		qeth_l3_add_mcast_rtnl(card->dev, 0, card);
+		if (qeth_is_supported(card, IPA_FULL_VLAN))
+			vlan_for_each(card->dev, qeth_l3_add_mcast_rtnl, card);
+		rtnl_unlock();
 
 		hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) {
 			switch (addr->disp_flag) {
@@ -2313,13 +2197,6 @@ static int qeth_l3_set_online(struct ccwgroup_device *gdev)
 		goto out_remove;
 	}
 
-	if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) {
-		if (card->info.hwtrap &&
-		    qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM))
-			card->info.hwtrap = 0;
-	} else
-		card->info.hwtrap = 0;
-
 	card->state = CARD_STATE_HARDSETUP;
 	qeth_print_status_message(card);
 
@@ -2557,7 +2434,7 @@ static int qeth_l3_ip_event(struct notifier_block *this,
 	QETH_CARD_TEXT(card, 3, "ipevent");
 
 	qeth_l3_init_ipaddr(&addr, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV4);
-	addr.u.a4.addr = be32_to_cpu(ifa->ifa_address);
+	addr.u.a4.addr = ifa->ifa_address;
 	addr.u.a4.mask = be32_to_cpu(ifa->ifa_mask);
 
 	return qeth_l3_handle_ip_event(card, &addr, event);