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

Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...

6 files changed, 55 insertions, 119 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
index 7f54a620acad..3bf9c1afa45e 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -458,7 +458,7 @@ void nfp_flower_qos_cleanup(struct nfp_app *app);
 int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev,
 				 struct tc_cls_matchall_offload *flow);
 void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb);
-int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
+int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, void *cb_priv,
 				enum tc_setup_type type, void *type_data,
 				void *data,
 				void (*cleanup)(struct flow_block_cb *block_cb));
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index d7340dc09b4c..4651fe417b7f 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -1491,7 +1491,7 @@ nfp_flower_get_stats(struct nfp_app *app, struct net_device *netdev,
 		nfp_flower_update_merge_stats(app, nfp_flow);
 
 	flow_stats_update(&flow->stats, priv->stats[ctx_id].bytes,
-			  priv->stats[ctx_id].pkts, priv->stats[ctx_id].used,
+			  priv->stats[ctx_id].pkts, 0, priv->stats[ctx_id].used,
 			  FLOW_ACTION_HW_STATS_DELAYED);
 
 	priv->stats[ctx_id].pkts = 0;
@@ -1646,7 +1646,7 @@ void nfp_flower_setup_indr_tc_release(void *cb_priv)
 }
 
 static int
-nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app,
+nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct Qdisc *sch, struct nfp_app *app,
 			       struct flow_block_offload *f, void *data,
 			       void (*cleanup)(struct flow_block_cb *block_cb))
 {
@@ -1680,7 +1680,7 @@ nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app,
 		block_cb = flow_indr_block_cb_alloc(nfp_flower_setup_indr_block_cb,
 						    cb_priv, cb_priv,
 						    nfp_flower_setup_indr_tc_release,
-						    f, netdev, data, app, cleanup);
+						    f, netdev, sch, data, app, cleanup);
 		if (IS_ERR(block_cb)) {
 			list_del(&cb_priv->list);
 			kfree(cb_priv);
@@ -1711,7 +1711,7 @@ nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app,
 }
 
 int
-nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
+nfp_flower_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, void *cb_priv,
 			    enum tc_setup_type type, void *type_data,
 			    void *data,
 			    void (*cleanup)(struct flow_block_cb *block_cb))
@@ -1721,7 +1721,7 @@ nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
 
 	switch (type) {
 	case TC_SETUP_BLOCK:
-		return nfp_flower_setup_indr_tc_block(netdev, cb_priv,
+		return nfp_flower_setup_indr_tc_block(netdev, sch, cb_priv,
 						      type_data, data, cleanup);
 	default:
 		return -EOPNOTSUPP;
diff --git a/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c b/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c
index d18a830e4264..d4ce8f9ef3cc 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c
@@ -69,7 +69,8 @@ nfp_flower_install_rate_limiter(struct nfp_app *app, struct net_device *netdev,
 	struct nfp_repr *repr;
 	struct sk_buff *skb;
 	u32 netdev_port_id;
-	u64 burst, rate;
+	u32 burst;
+	u64 rate;
 
 	if (!nfp_netdev_is_nfp_repr(netdev)) {
 		NL_SET_ERR_MSG_MOD(extack, "unsupported offload: qos rate limit offload not supported on higher level port");
@@ -104,8 +105,7 @@ nfp_flower_install_rate_limiter(struct nfp_app *app, struct net_device *netdev,
 	}
 
 	rate = action->police.rate_bytes_ps;
-	burst = div_u64(rate * PSCHED_NS2TICKS(action->police.burst),
-			PSCHED_TICKS_PER_SEC);
+	burst = action->police.burst;
 	netdev_port_id = nfp_repr_get_port_id(netdev);
 
 	skb = nfp_flower_cmsg_alloc(repr->app, sizeof(struct nfp_police_config),
@@ -319,7 +319,7 @@ nfp_flower_stats_rate_limiter(struct nfp_app *app, struct net_device *netdev,
 	prev_stats->bytes = curr_stats->bytes;
 	spin_unlock_bh(&fl_priv->qos_stats_lock);
 
-	flow_stats_update(&flow->stats, diff_bytes, diff_pkts,
+	flow_stats_update(&flow->stats, diff_bytes, diff_pkts, 0,
 			  repr_priv->qos_table.last_update,
 			  FLOW_ACTION_HW_STATS_DELAYED);
 	return 0;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
index 07dbf4d72227..be52510d446b 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
@@ -70,9 +70,6 @@ nfp_devlink_port_split(struct devlink *devlink, unsigned int port_index,
 	unsigned int lanes;
 	int ret;
 
-	if (count < 2)
-		return -EINVAL;
-
 	mutex_lock(&pf->lock);
 
 	rtnl_lock();
@@ -81,7 +78,7 @@ nfp_devlink_port_split(struct devlink *devlink, unsigned int port_index,
 	if (ret)
 		goto out;
 
-	if (eth_port.is_split || eth_port.port_lanes % count) {
+	if (eth_port.port_lanes % count) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -353,6 +350,7 @@ const struct devlink_ops nfp_devlink_ops = {
 
 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port)
 {
+	struct devlink_port_attrs attrs = {};
 	struct nfp_eth_table_port eth_port;
 	struct devlink *devlink;
 	const u8 *serial;
@@ -365,10 +363,15 @@ int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port)
 	if (ret)
 		return ret;
 
+	attrs.split = eth_port.is_split;
+	attrs.splittable = !attrs.split;
+	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
+	attrs.phys.port_number = eth_port.label_port;
+	attrs.phys.split_subport_number = eth_port.label_subport;
 	serial_len = nfp_cpp_serial(port->app->cpp, &serial);
-	devlink_port_attrs_set(&port->dl_port, DEVLINK_PORT_FLAVOUR_PHYSICAL,
-			       eth_port.label_port, eth_port.is_split,
-			       eth_port.label_subport, serial, serial_len);
+	memcpy(attrs.switch_id.id, serial, serial_len);
+	attrs.switch_id.id_len = serial_len;
+	devlink_port_attrs_set(&port->dl_port, &attrs);
 
 	devlink = priv_to_devlink(app->pf);
 
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h
index ff4438478ea9..df5b748be068 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h
@@ -575,8 +575,6 @@ struct nfp_net_dp {
  * @rx_coalesce_max_frames: RX interrupt moderation frame count parameter
  * @tx_coalesce_usecs:      TX interrupt moderation usecs delay parameter
  * @tx_coalesce_max_frames: TX interrupt moderation frame count parameter
- * @vxlan_ports:	VXLAN ports for RX inner csum offload communicated to HW
- * @vxlan_usecnt:	IPv4/IPv6 VXLAN port use counts
  * @qcp_cfg:            Pointer to QCP queue used for configuration notification
  * @tx_bar:             Pointer to mapped TX queues
  * @rx_bar:             Pointer to mapped FL/RX queues
@@ -661,9 +659,6 @@ struct nfp_net {
 	u32 tx_coalesce_usecs;
 	u32 tx_coalesce_max_frames;
 
-	__be16 vxlan_ports[NFP_NET_N_VXLAN_PORTS];
-	u8 vxlan_usecnt[NFP_NET_N_VXLAN_PORTS];
-
 	u8 __iomem *qcp_cfg;
 
 	u8 __iomem *tx_bar;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 0e0cc3d58bdc..39ee23e8c0bf 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -974,7 +974,7 @@ static int nfp_net_prep_tx_meta(struct sk_buff *skb, u64 tls_handle)
  *
  * Return: NETDEV_TX_OK on success.
  */
-static int nfp_net_tx(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t nfp_net_tx(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct nfp_net *nn = netdev_priv(netdev);
 	const skb_frag_t *frag;
@@ -2867,15 +2867,6 @@ static int nfp_net_set_config_and_enable(struct nfp_net *nn)
 	for (r = 0; r < nn->dp.num_rx_rings; r++)
 		nfp_net_rx_ring_fill_freelist(&nn->dp, &nn->dp.rx_rings[r]);
 
-	/* Since reconfiguration requests while NFP is down are ignored we
-	 * have to wipe the entire VXLAN configuration and reinitialize it.
-	 */
-	if (nn->dp.ctrl & NFP_NET_CFG_CTRL_VXLAN) {
-		memset(&nn->vxlan_ports, 0, sizeof(nn->vxlan_ports));
-		memset(&nn->vxlan_usecnt, 0, sizeof(nn->vxlan_usecnt));
-		udp_tunnel_get_rx_info(nn->dp.netdev);
-	}
-
 	return 0;
 }
 
@@ -3566,87 +3557,6 @@ nfp_net_get_phys_port_name(struct net_device *netdev, char *name, size_t len)
 	return 0;
 }
 
-/**
- * nfp_net_set_vxlan_port() - set vxlan port in SW and reconfigure HW
- * @nn:   NFP Net device to reconfigure
- * @idx:  Index into the port table where new port should be written
- * @port: UDP port to configure (pass zero to remove VXLAN port)
- */
-static void nfp_net_set_vxlan_port(struct nfp_net *nn, int idx, __be16 port)
-{
-	int i;
-
-	nn->vxlan_ports[idx] = port;
-
-	if (!(nn->dp.ctrl & NFP_NET_CFG_CTRL_VXLAN))
-		return;
-
-	BUILD_BUG_ON(NFP_NET_N_VXLAN_PORTS & 1);
-	for (i = 0; i < NFP_NET_N_VXLAN_PORTS; i += 2)
-		nn_writel(nn, NFP_NET_CFG_VXLAN_PORT + i * sizeof(port),
-			  be16_to_cpu(nn->vxlan_ports[i + 1]) << 16 |
-			  be16_to_cpu(nn->vxlan_ports[i]));
-
-	nfp_net_reconfig_post(nn, NFP_NET_CFG_UPDATE_VXLAN);
-}
-
-/**
- * nfp_net_find_vxlan_idx() - find table entry of the port or a free one
- * @nn:   NFP Network structure
- * @port: UDP port to look for
- *
- * Return: if the port is already in the table -- it's position;
- *	   if the port is not in the table -- free position to use;
- *	   if the table is full -- -ENOSPC.
- */
-static int nfp_net_find_vxlan_idx(struct nfp_net *nn, __be16 port)
-{
-	int i, free_idx = -ENOSPC;
-
-	for (i = 0; i < NFP_NET_N_VXLAN_PORTS; i++) {
-		if (nn->vxlan_ports[i] == port)
-			return i;
-		if (!nn->vxlan_usecnt[i])
-			free_idx = i;
-	}
-
-	return free_idx;
-}
-
-static void nfp_net_add_vxlan_port(struct net_device *netdev,
-				   struct udp_tunnel_info *ti)
-{
-	struct nfp_net *nn = netdev_priv(netdev);
-	int idx;
-
-	if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
-		return;
-
-	idx = nfp_net_find_vxlan_idx(nn, ti->port);
-	if (idx == -ENOSPC)
-		return;
-
-	if (!nn->vxlan_usecnt[idx]++)
-		nfp_net_set_vxlan_port(nn, idx, ti->port);
-}
-
-static void nfp_net_del_vxlan_port(struct net_device *netdev,
-				   struct udp_tunnel_info *ti)
-{
-	struct nfp_net *nn = netdev_priv(netdev);
-	int idx;
-
-	if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
-		return;
-
-	idx = nfp_net_find_vxlan_idx(nn, ti->port);
-	if (idx == -ENOSPC || !nn->vxlan_usecnt[idx])
-		return;
-
-	if (!--nn->vxlan_usecnt[idx])
-		nfp_net_set_vxlan_port(nn, idx, 0);
-}
-
 static int nfp_net_xdp_setup_drv(struct nfp_net *nn, struct netdev_bpf *bpf)
 {
 	struct bpf_prog *prog = bpf->prog;
@@ -3704,10 +3614,6 @@ static int nfp_net_xdp(struct net_device *netdev, struct netdev_bpf *xdp)
 		return nfp_net_xdp_setup_drv(nn, xdp);
 	case XDP_SETUP_PROG_HW:
 		return nfp_net_xdp_setup_hw(nn, xdp);
-	case XDP_QUERY_PROG:
-		return xdp_attachment_query(&nn->xdp, xdp);
-	case XDP_QUERY_PROG_HW:
-		return xdp_attachment_query(&nn->xdp_hw, xdp);
 	default:
 		return nfp_app_bpf(nn->app, nn, xdp);
 	}
@@ -3757,12 +3663,43 @@ const struct net_device_ops nfp_net_netdev_ops = {
 	.ndo_set_features	= nfp_net_set_features,
 	.ndo_features_check	= nfp_net_features_check,
 	.ndo_get_phys_port_name	= nfp_net_get_phys_port_name,
-	.ndo_udp_tunnel_add	= nfp_net_add_vxlan_port,
-	.ndo_udp_tunnel_del	= nfp_net_del_vxlan_port,
+	.ndo_udp_tunnel_add	= udp_tunnel_nic_add_port,
+	.ndo_udp_tunnel_del	= udp_tunnel_nic_del_port,
 	.ndo_bpf		= nfp_net_xdp,
 	.ndo_get_devlink_port	= nfp_devlink_get_devlink_port,
 };
 
+static int nfp_udp_tunnel_sync(struct net_device *netdev, unsigned int table)
+{
+	struct nfp_net *nn = netdev_priv(netdev);
+	int i;
+
+	BUILD_BUG_ON(NFP_NET_N_VXLAN_PORTS & 1);
+	for (i = 0; i < NFP_NET_N_VXLAN_PORTS; i += 2) {
+		struct udp_tunnel_info ti0, ti1;
+
+		udp_tunnel_nic_get_port(netdev, table, i, &ti0);
+		udp_tunnel_nic_get_port(netdev, table, i + 1, &ti1);
+
+		nn_writel(nn, NFP_NET_CFG_VXLAN_PORT + i * sizeof(ti0.port),
+			  be16_to_cpu(ti1.port) << 16 | be16_to_cpu(ti0.port));
+	}
+
+	return nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_VXLAN);
+}
+
+static const struct udp_tunnel_nic_info nfp_udp_tunnels = {
+	.sync_table     = nfp_udp_tunnel_sync,
+	.flags          = UDP_TUNNEL_NIC_INFO_MAY_SLEEP |
+			  UDP_TUNNEL_NIC_INFO_OPEN_ONLY,
+	.tables         = {
+		{
+			.n_entries      = NFP_NET_N_VXLAN_PORTS,
+			.tunnel_types   = UDP_TUNNEL_TYPE_VXLAN,
+		},
+	},
+};
+
 /**
  * nfp_net_info() - Print general info about the NIC
  * @nn:      NFP Net device to reconfigure
@@ -4010,6 +3947,7 @@ static void nfp_net_netdev_init(struct nfp_net *nn)
 	if (nn->cap & NFP_NET_CFG_CTRL_VXLAN) {
 		if (nn->cap & NFP_NET_CFG_CTRL_LSO)
 			netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
+		netdev->udp_tunnel_nic_info = &nfp_udp_tunnels;
 		nn->dp.ctrl |= NFP_NET_CFG_CTRL_VXLAN;
 	}
 	if (nn->cap & NFP_NET_CFG_CTRL_NVGRE) {