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

Pull networking updates from David Millar:
 "Here are some highlights from the 2065 networking commits that
  happened this development cycle:

   1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)

   2) Add a generic XDP driver, so that anyone can test XDP even if they
      lack a networking device whose driver has explicit XDP support
      (me).

   3) Sparc64 now has an eBPF JIT too (me)

   4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
      Starovoitov)

   5) Make netfitler network namespace teardown less expensive (Florian
      Westphal)

   6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)

   7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)

   8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)

   9) Multiqueue support in stmmac driver (Joao Pinto)

  10) Remove TCP timewait recycling, it never really could possibly work
      well in the real world and timestamp randomization really zaps any
      hint of usability this feature had (Soheil Hassas Yeganeh)

  11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
      Aleksandrov)

  12) Add socket busy poll support to epoll (Sridhar Samudrala)

  13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
      and several others)

  14) IPSEC hw offload infrastructure (Steffen Klassert)"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
  tipc: refactor function tipc_sk_recv_stream()
  tipc: refactor function tipc_sk_recvmsg()
  net: thunderx: Optimize page recycling for XDP
  net: thunderx: Support for XDP header adjustment
  net: thunderx: Add support for XDP_TX
  net: thunderx: Add support for XDP_DROP
  net: thunderx: Add basic XDP support
  net: thunderx: Cleanup receive buffer allocation
  net: thunderx: Optimize CQE_TX handling
  net: thunderx: Optimize RBDR descriptor handling
  net: thunderx: Support for page recycling
  ipx: call ipxitf_put() in ioctl error path
  net: sched: add helpers to handle extended actions
  qed*: Fix issues in the ptp filter config implementation.
  qede: Fix concurrency issue in PTP Tx path processing.
  stmmac: Add support for SIMATIC IOT2000 platform
  net: hns: fix ethtool_get_strings overflow in hns driver
  tcp: fix wraparound issue in tcp_lp
  bpf, arm64: fix jit branch offset related to ldimm64
  bpf, arm64: implement jiting of BPF_XADD
  ...

1 files changed, 31 insertions, 155 deletions

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 653f0fb76573..6e0354ef4b86 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -16,7 +16,6 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/etherdevice.h>
-#include <linux/mii.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/inetdevice.h>
@@ -36,16 +35,12 @@
 
 
 static int qeth_l3_set_offline(struct ccwgroup_device *);
-static int qeth_l3_recover(void *);
 static int qeth_l3_stop(struct net_device *);
 static void qeth_l3_set_multicast_list(struct net_device *);
-static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *);
 static int qeth_l3_register_addr_entry(struct qeth_card *,
 		struct qeth_ipaddr *);
 static int qeth_l3_deregister_addr_entry(struct qeth_card *,
 		struct qeth_ipaddr *);
-static int __qeth_l3_set_online(struct ccwgroup_device *, int);
-static int __qeth_l3_set_offline(struct ccwgroup_device *, int);
 
 static int qeth_l3_isxdigit(char *buf)
 {
@@ -1341,7 +1336,7 @@ 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_get_mac_for_ipm(__u32 ipm, char *mac)
+static void qeth_l3_get_mac_for_ipm(__be32 ipm, char *mac)
 {
 	ip_eth_mc_map(ipm, mac);
 }
@@ -1414,7 +1409,7 @@ qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev)
 	     im4 = rcu_dereference(im4->next_rcu)) {
 		qeth_l3_get_mac_for_ipm(im4->multiaddr, buf);
 
-		tmp->u.a4.addr = im4->multiaddr;
+		tmp->u.a4.addr = be32_to_cpu(im4->multiaddr);
 		memcpy(tmp->mac, buf, sizeof(tmp->mac));
 
 		ipm = qeth_l3_ip_from_hash(card, tmp);
@@ -1425,7 +1420,7 @@ qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev)
 			if (!ipm)
 				continue;
 			memcpy(ipm->mac, buf, sizeof(tmp->mac));
-			ipm->u.a4.addr = im4->multiaddr;
+			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,
@@ -1598,8 +1593,8 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
 	spin_lock_bh(&card->ip_lock);
 
 	for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
-		addr->u.a4.addr = ifa->ifa_address;
-		addr->u.a4.mask = ifa->ifa_mask;
+		addr->u.a4.addr = be32_to_cpu(ifa->ifa_address);
+		addr->u.a4.mask = be32_to_cpu(ifa->ifa_mask);
 		addr->type = QETH_IP_TYPE_NORMAL;
 		qeth_l3_delete_ip(card, addr);
 	}
@@ -1690,25 +1685,25 @@ static inline int qeth_l3_rebuild_skb(struct qeth_card *card,
 			struct sk_buff *skb, struct qeth_hdr *hdr,
 			unsigned short *vlan_id)
 {
-	__be16 prot;
+	__u16 prot;
 	struct iphdr *ip_hdr;
 	unsigned char tg_addr[MAX_ADDR_LEN];
 	int is_vlan = 0;
 
 	if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) {
-		prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
-			      ETH_P_IP);
+		prot = (hdr->hdr.l3.flags & QETH_HDR_IPV6) ? ETH_P_IPV6 :
+			      ETH_P_IP;
 		switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) {
 		case QETH_CAST_MULTICAST:
 			switch (prot) {
 #ifdef CONFIG_QETH_IPV6
-			case __constant_htons(ETH_P_IPV6):
+			case ETH_P_IPV6:
 				ndisc_mc_map((struct in6_addr *)
 				     skb->data + 24,
 				     tg_addr, card->dev, 0);
 				break;
 #endif
-			case __constant_htons(ETH_P_IP):
+			case ETH_P_IP:
 				ip_hdr = (struct iphdr *)skb->data;
 				ip_eth_mc_map(ip_hdr->daddr, tg_addr);
 				break;
@@ -1795,7 +1790,7 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
 			magic = *(__u16 *)skb->data;
 			if ((card->info.type == QETH_CARD_TYPE_IQD) &&
 			    (magic == ETH_P_AF_IUCV)) {
-				skb->protocol = ETH_P_AF_IUCV;
+				skb->protocol = cpu_to_be16(ETH_P_AF_IUCV);
 				skb->pkt_type = PACKET_HOST;
 				skb->mac_header = NET_SKB_PAD;
 				skb->dev = card->dev;
@@ -1834,81 +1829,6 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
 	return work_done;
 }
 
-static int qeth_l3_poll(struct napi_struct *napi, int budget)
-{
-	struct qeth_card *card = container_of(napi, struct qeth_card, napi);
-	int work_done = 0;
-	struct qeth_qdio_buffer *buffer;
-	int done;
-	int new_budget = budget;
-
-	if (card->options.performance_stats) {
-		card->perf_stats.inbound_cnt++;
-		card->perf_stats.inbound_start_time = qeth_get_micros();
-	}
-
-	while (1) {
-		if (!card->rx.b_count) {
-			card->rx.qdio_err = 0;
-			card->rx.b_count = qdio_get_next_buffers(
-				card->data.ccwdev, 0, &card->rx.b_index,
-				&card->rx.qdio_err);
-			if (card->rx.b_count <= 0) {
-				card->rx.b_count = 0;
-				break;
-			}
-			card->rx.b_element =
-				&card->qdio.in_q->bufs[card->rx.b_index]
-				.buffer->element[0];
-			card->rx.e_offset = 0;
-		}
-
-		while (card->rx.b_count) {
-			buffer = &card->qdio.in_q->bufs[card->rx.b_index];
-			if (!(card->rx.qdio_err &&
-			    qeth_check_qdio_errors(card, buffer->buffer,
-			    card->rx.qdio_err, "qinerr")))
-				work_done += qeth_l3_process_inbound_buffer(
-					card, new_budget, &done);
-			else
-				done = 1;
-
-			if (done) {
-				if (card->options.performance_stats)
-					card->perf_stats.bufs_rec++;
-				qeth_put_buffer_pool_entry(card,
-					buffer->pool_entry);
-				qeth_queue_input_buffer(card, card->rx.b_index);
-				card->rx.b_count--;
-				if (card->rx.b_count) {
-					card->rx.b_index =
-						(card->rx.b_index + 1) %
-						QDIO_MAX_BUFFERS_PER_Q;
-					card->rx.b_element =
-						&card->qdio.in_q
-						->bufs[card->rx.b_index]
-						.buffer->element[0];
-					card->rx.e_offset = 0;
-				}
-			}
-
-			if (work_done >= budget)
-				goto out;
-			else
-				new_budget = budget - work_done;
-		}
-	}
-
-	napi_complete(napi);
-	if (qdio_start_irq(card->data.ccwdev, 0))
-		napi_schedule(&card->napi);
-out:
-	if (card->options.performance_stats)
-		card->perf_stats.inbound_time += qeth_get_micros() -
-			card->perf_stats.inbound_start_time;
-	return work_done;
-}
-
 static int qeth_l3_verify_vlan_dev(struct net_device *dev,
 			struct qeth_card *card)
 {
@@ -2461,15 +2381,8 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
 	struct qeth_card *card = dev->ml_priv;
 	struct qeth_arp_cache_entry arp_entry;
-	struct mii_ioctl_data *mii_data;
 	int rc = 0;
 
-	if (!card)
-		return -ENODEV;
-
-	if (!qeth_card_hw_is_reachable(card))
-		return -ENODEV;
-
 	switch (cmd) {
 	case SIOC_QETH_ARP_SET_NO_ENTRIES:
 		if (!capable(CAP_NET_ADMIN)) {
@@ -2514,37 +2427,9 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 		}
 		rc = qeth_l3_arp_flush_cache(card);
 		break;
-	case SIOC_QETH_ADP_SET_SNMP_CONTROL:
-		rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
-		break;
-	case SIOC_QETH_GET_CARD_TYPE:
-		if ((card->info.type == QETH_CARD_TYPE_OSD ||
-		     card->info.type == QETH_CARD_TYPE_OSX) &&
-		    !card->info.guestlan)
-			return 1;
-		return 0;
-		break;
-	case SIOCGMIIPHY:
-		mii_data = if_mii(rq);
-		mii_data->phy_id = 0;
-		break;
-	case SIOCGMIIREG:
-		mii_data = if_mii(rq);
-		if (mii_data->phy_id != 0)
-			rc = -EINVAL;
-		else
-			mii_data->val_out = qeth_mdio_read(dev,
-							mii_data->phy_id,
-							mii_data->reg_num);
-		break;
-	case SIOC_QETH_QUERY_OAT:
-		rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data);
-		break;
 	default:
 		rc = -EOPNOTSUPP;
 	}
-	if (rc)
-		QETH_CARD_TEXT_(card, 2, "ioce%d", rc);
 	return rc;
 }
 
@@ -2572,10 +2457,10 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 	rcu_read_unlock();
 
 	/* try something else */
-	if (skb->protocol == ETH_P_IPV6)
+	if (be16_to_cpu(skb->protocol) == ETH_P_IPV6)
 		return (skb_network_header(skb)[24] == 0xff) ?
 				RTN_MULTICAST : 0;
-	else if (skb->protocol == ETH_P_IP)
+	else if (be16_to_cpu(skb->protocol) == ETH_P_IP)
 		return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ?
 				RTN_MULTICAST : 0;
 	/* ... */
@@ -2726,7 +2611,7 @@ static void qeth_tso_fill_header(struct qeth_card *card,
 	hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len -
 				       sizeof(struct qeth_hdr_tso));
 	tcph->check = 0;
-	if (skb->protocol == ETH_P_IPV6) {
+	if (be16_to_cpu(skb->protocol) == ETH_P_IPV6) {
 		ip6h->payload_len = 0;
 		tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
 					       0, IPPROTO_TCP, 0);
@@ -2770,10 +2655,11 @@ static int qeth_l3_get_elements_no_tso(struct qeth_card *card,
 	return elements;
 }
 
-static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
+					   struct net_device *dev)
 {
 	int rc;
-	u16 *tag;
+	__be16 *tag;
 	struct qeth_hdr *hdr = NULL;
 	int hdr_elements = 0;
 	int elements;
@@ -2794,7 +2680,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (((card->info.type == QETH_CARD_TYPE_IQD) &&
 	     (((card->options.cq != QETH_CQ_ENABLED) && !ipv) ||
 	      ((card->options.cq == QETH_CQ_ENABLED) &&
-	       (skb->protocol != ETH_P_AF_IUCV)))) ||
+	       (be16_to_cpu(skb->protocol) != ETH_P_AF_IUCV)))) ||
 	    card->options.sniffer)
 			goto tx_drop;
 
@@ -2847,9 +2733,9 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 				new_skb->data + 8, 4);
 			skb_copy_to_linear_data_offset(new_skb, 8,
 				new_skb->data + 12, 4);
-			tag = (u16 *)(new_skb->data + 12);
-			*tag = __constant_htons(ETH_P_8021Q);
-			*(tag + 1) = htons(skb_vlan_tag_get(new_skb));
+			tag = (__be16 *)(new_skb->data + 12);
+			*tag = cpu_to_be16(ETH_P_8021Q);
+			*(tag + 1) = cpu_to_be16(skb_vlan_tag_get(new_skb));
 		}
 	}
 
@@ -2887,7 +2773,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			qeth_l3_fill_header(card, hdr, new_skb, ipv,
 						cast_type);
 		} else {
-			if (new_skb->protocol == ETH_P_AF_IUCV)
+			if (be16_to_cpu(new_skb->protocol) == ETH_P_AF_IUCV)
 				qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb);
 			else {
 				qeth_l3_fill_header(card, hdr, new_skb, ipv,
@@ -2925,7 +2811,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		rc = qeth_do_send_packet(card, queue, new_skb, hdr, elements);
 	} else
 		rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
-					elements, data_offset, 0);
+					      data_offset, 0);
 
 	if (!rc) {
 		card->stats.tx_packets++;
@@ -3026,7 +2912,7 @@ static const struct ethtool_ops qeth_l3_ethtool_ops = {
 	.get_ethtool_stats = qeth_core_get_ethtool_stats,
 	.get_sset_count = qeth_core_get_sset_count,
 	.get_drvinfo = qeth_core_get_drvinfo,
-	.get_settings = qeth_core_ethtool_get_settings,
+	.get_link_ksettings = qeth_core_ethtool_get_link_ksettings,
 };
 
 /*
@@ -3060,7 +2946,7 @@ static const struct net_device_ops qeth_l3_netdev_ops = {
 	.ndo_start_xmit		= qeth_l3_hard_start_xmit,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_set_rx_mode	= qeth_l3_set_multicast_list,
-	.ndo_do_ioctl		= qeth_l3_do_ioctl,
+	.ndo_do_ioctl		= qeth_do_ioctl,
 	.ndo_change_mtu		= qeth_change_mtu,
 	.ndo_fix_features	= qeth_fix_features,
 	.ndo_set_features	= qeth_set_features,
@@ -3076,7 +2962,7 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
 	.ndo_start_xmit		= qeth_l3_hard_start_xmit,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_set_rx_mode	= qeth_l3_set_multicast_list,
-	.ndo_do_ioctl		= qeth_l3_do_ioctl,
+	.ndo_do_ioctl		= qeth_do_ioctl,
 	.ndo_change_mtu		= qeth_change_mtu,
 	.ndo_fix_features	= qeth_fix_features,
 	.ndo_set_features	= qeth_set_features,
@@ -3145,7 +3031,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
 				  PAGE_SIZE;
 
 	SET_NETDEV_DEV(card->dev, &card->gdev->dev);
-	netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT);
+	netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT);
 	netif_carrier_off(card->dev);
 	return register_netdev(card->dev);
 }
@@ -3366,17 +3252,6 @@ static int qeth_l3_recover(void *ptr)
 	return 0;
 }
 
-static void qeth_l3_shutdown(struct ccwgroup_device *gdev)
-{
-	struct qeth_card *card = dev_get_drvdata(&gdev->dev);
-	qeth_set_allowed_threads(card, 0, 1);
-	if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap)
-		qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
-	qeth_qdio_clear_card(card, 0);
-	qeth_clear_qdio_buffers(card);
-	qdio_free(CARD_DDEV(card));
-}
-
 static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev)
 {
 	struct qeth_card *card = dev_get_drvdata(&gdev->dev);
@@ -3434,15 +3309,16 @@ struct qeth_discipline qeth_l3_discipline = {
 	.start_poll = qeth_qdio_start_poll,
 	.input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
 	.output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
+	.process_rx_buffer = qeth_l3_process_inbound_buffer,
 	.recover = qeth_l3_recover,
 	.setup = qeth_l3_probe_device,
 	.remove = qeth_l3_remove_device,
 	.set_online = qeth_l3_set_online,
 	.set_offline = qeth_l3_set_offline,
-	.shutdown = qeth_l3_shutdown,
 	.freeze = qeth_l3_pm_suspend,
 	.thaw = qeth_l3_pm_resume,
 	.restore = qeth_l3_pm_resume,
+	.do_ioctl = qeth_l3_do_ioctl,
 	.control_event_handler = qeth_l3_control_event,
 };
 EXPORT_SYMBOL_GPL(qeth_l3_discipline);
@@ -3466,8 +3342,8 @@ static int qeth_l3_ip_event(struct notifier_block *this,
 
 	addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
 	if (addr) {
-		addr->u.a4.addr = ifa->ifa_address;
-		addr->u.a4.mask = ifa->ifa_mask;
+		addr->u.a4.addr = be32_to_cpu(ifa->ifa_address);
+		addr->u.a4.mask = be32_to_cpu(ifa->ifa_mask);
 		addr->type = QETH_IP_TYPE_NORMAL;
 	} else
 		return NOTIFY_DONE;