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

Pull networking fixes from David Miller:

 1) Revert regression inducing change to the IPSEC template resolver,
    from Steffen Klassert.

 2) Peeloffs can cause the wrong sk to be waken up in SCTP, fix from Xin
    Long.

 3) Min packet MTU size is wrong in cpsw driver, from Grygorii Strashko.

 4) Fix build failure in netfilter ctnetlink, from Arnd Bergmann.

 5) ISDN hisax driver checks pnp_irq() for errors incorrectly, from
    Arvind Yadav.

 6) Fix fealnx driver build failure on MIPS, from Huacai Chen.

 7) Fix into leak in SCTP, the scope_id of socket addresses is not
    always filled in. From Eric W. Biederman.

 8) MTU inheritance between physical function and representor fix in nfp
    driver, from Dirk van der Merwe.

 9) Fix memory leak in rsi driver, from Colin Ian King.

10) Fix expiration and generation ID handling of cached ipv4 redirect
    routes, from Xin Long.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits)
  net: usb: hso.c: remove unneeded DRIVER_LICENSE #define
  ibmvnic: fix dma_mapping_error call
  ipvlan: NULL pointer dereference panic in ipvlan_port_destroy
  route: also update fnhe_genid when updating a route cache
  route: update fnhe_expires for redirect when the fnhe exists
  sctp: set frag_point in sctp_setsockopt_maxseg correctly
  rsi: fix memory leak on buf and usb_reg_buf
  net/netlabel: Add list_next_rcu() in rcu_dereference().
  nfp: remove false positive offloads in flower vxlan
  nfp: register flower reprs for egress dev offload
  nfp: inherit the max_mtu from the PF netdev
  nfp: fix vlan receive MAC statistics typo
  nfp: fix flower offload metadata flag usage
  virto_net: remove empty file 'virtio_net.'
  net/sctp: Always set scope_id in sctp_inet6_skb_msgname
  fealnx: Fix building error on MIPS
  isdn: hisax: Fix pnp_irq's error checking for setup_teles3
  isdn: hisax: Fix pnp_irq's error checking for setup_sedlbauer_isapnp
  isdn: hisax: Fix pnp_irq's error checking for setup_niccy
  isdn: hisax: Fix pnp_irq's error checking for setup_ix1micro
  ...

8 files changed, 88 insertions, 13 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index e0283bb24f06..8fcc90c0d2d3 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -125,6 +125,21 @@ nfp_flower_repr_netdev_stop(struct nfp_app *app, struct nfp_repr *repr)
 	return nfp_flower_cmsg_portmod(repr, false);
 }
 
+static int
+nfp_flower_repr_netdev_init(struct nfp_app *app, struct net_device *netdev)
+{
+	return tc_setup_cb_egdev_register(netdev,
+					  nfp_flower_setup_tc_egress_cb,
+					  netdev_priv(netdev));
+}
+
+static void
+nfp_flower_repr_netdev_clean(struct nfp_app *app, struct net_device *netdev)
+{
+	tc_setup_cb_egdev_unregister(netdev, nfp_flower_setup_tc_egress_cb,
+				     netdev_priv(netdev));
+}
+
 static void nfp_flower_sriov_disable(struct nfp_app *app)
 {
 	struct nfp_flower_priv *priv = app->priv;
@@ -452,6 +467,9 @@ const struct nfp_app_type app_flower = {
 	.vnic_init	= nfp_flower_vnic_init,
 	.vnic_clean	= nfp_flower_vnic_clean,
 
+	.repr_init	= nfp_flower_repr_netdev_init,
+	.repr_clean	= nfp_flower_repr_netdev_clean,
+
 	.repr_open	= nfp_flower_repr_netdev_open,
 	.repr_stop	= nfp_flower_repr_netdev_stop,
 
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
index c90e72b7ff5a..e6b26c5ae6e0 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -52,8 +52,7 @@ struct nfp_app;
 #define NFP_FLOWER_MASK_ELEMENT_RS	1
 #define NFP_FLOWER_MASK_HASH_BITS	10
 
-#define NFP_FL_META_FLAG_NEW_MASK	128
-#define NFP_FL_META_FLAG_LAST_MASK	1
+#define NFP_FL_META_FLAG_MANAGE_MASK	BIT(7)
 
 #define NFP_FL_MASK_REUSE_TIME_NS	40000
 #define NFP_FL_MASK_ID_LOCATION		1
@@ -197,5 +196,7 @@ void nfp_tunnel_del_ipv4_off(struct nfp_app *app, __be32 ipv4);
 void nfp_tunnel_add_ipv4_off(struct nfp_app *app, __be32 ipv4);
 void nfp_tunnel_request_route(struct nfp_app *app, struct sk_buff *skb);
 void nfp_tunnel_keep_alive(struct nfp_app *app, struct sk_buff *skb);
+int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,
+				  void *cb_priv);
 
 #endif
diff --git a/drivers/net/ethernet/netronome/nfp/flower/metadata.c b/drivers/net/ethernet/netronome/nfp/flower/metadata.c
index 193520ef23f0..db977cf8e933 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/metadata.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/metadata.c
@@ -282,7 +282,7 @@ nfp_check_mask_add(struct nfp_app *app, char *mask_data, u32 mask_len,
 		id = nfp_add_mask_table(app, mask_data, mask_len);
 		if (id < 0)
 			return false;
-		*meta_flags |= NFP_FL_META_FLAG_NEW_MASK;
+		*meta_flags |= NFP_FL_META_FLAG_MANAGE_MASK;
 	}
 	*mask_id = id;
 
@@ -299,6 +299,9 @@ nfp_check_mask_remove(struct nfp_app *app, char *mask_data, u32 mask_len,
 	if (!mask_entry)
 		return false;
 
+	if (meta_flags)
+		*meta_flags &= ~NFP_FL_META_FLAG_MANAGE_MASK;
+
 	*mask_id = mask_entry->mask_id;
 	mask_entry->ref_cnt--;
 	if (!mask_entry->ref_cnt) {
@@ -306,7 +309,7 @@ nfp_check_mask_remove(struct nfp_app *app, char *mask_data, u32 mask_len,
 		nfp_release_mask_id(app, *mask_id);
 		kfree(mask_entry);
 		if (meta_flags)
-			*meta_flags |= NFP_FL_META_FLAG_LAST_MASK;
+			*meta_flags |= NFP_FL_META_FLAG_MANAGE_MASK;
 	}
 
 	return true;
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index cdbb5464b790..f5d73b83dcc2 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -131,7 +131,8 @@ static bool nfp_flower_check_higher_than_mac(struct tc_cls_flower_offload *f)
 
 static int
 nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls,
-				struct tc_cls_flower_offload *flow)
+				struct tc_cls_flower_offload *flow,
+				bool egress)
 {
 	struct flow_dissector_key_basic *mask_basic = NULL;
 	struct flow_dissector_key_basic *key_basic = NULL;
@@ -167,6 +168,9 @@ nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls,
 			skb_flow_dissector_target(flow->dissector,
 						  FLOW_DISSECTOR_KEY_ENC_CONTROL,
 						  flow->key);
+		if (!egress)
+			return -EOPNOTSUPP;
+
 		if (mask_enc_ctl->addr_type != 0xffff ||
 		    enc_ctl->addr_type != FLOW_DISSECTOR_KEY_IPV4_ADDRS)
 			return -EOPNOTSUPP;
@@ -194,6 +198,9 @@ nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls,
 
 		key_layer |= NFP_FLOWER_LAYER_VXLAN;
 		key_size += sizeof(struct nfp_flower_vxlan);
+	} else if (egress) {
+		/* Reject non tunnel matches offloaded to egress repr. */
+		return -EOPNOTSUPP;
 	}
 
 	if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
@@ -315,7 +322,7 @@ err_free_flow:
  */
 static int
 nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
-		       struct tc_cls_flower_offload *flow)
+		       struct tc_cls_flower_offload *flow, bool egress)
 {
 	struct nfp_flower_priv *priv = app->priv;
 	struct nfp_fl_payload *flow_pay;
@@ -326,7 +333,7 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
 	if (!key_layer)
 		return -ENOMEM;
 
-	err = nfp_flower_calculate_key_layers(key_layer, flow);
+	err = nfp_flower_calculate_key_layers(key_layer, flow, egress);
 	if (err)
 		goto err_free_key_ls;
 
@@ -447,7 +454,7 @@ nfp_flower_get_stats(struct nfp_app *app, struct tc_cls_flower_offload *flow)
 
 static int
 nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
-			struct tc_cls_flower_offload *flower)
+			struct tc_cls_flower_offload *flower, bool egress)
 {
 	if (!eth_proto_is_802_3(flower->common.protocol) ||
 	    flower->common.chain_index)
@@ -455,7 +462,7 @@ nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
 
 	switch (flower->command) {
 	case TC_CLSFLOWER_REPLACE:
-		return nfp_flower_add_offload(app, netdev, flower);
+		return nfp_flower_add_offload(app, netdev, flower, egress);
 	case TC_CLSFLOWER_DESTROY:
 		return nfp_flower_del_offload(app, netdev, flower);
 	case TC_CLSFLOWER_STATS:
@@ -465,6 +472,23 @@ nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
 	return -EOPNOTSUPP;
 }
 
+int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,
+				  void *cb_priv)
+{
+	struct nfp_repr *repr = cb_priv;
+
+	if (!tc_can_offload(repr->netdev))
+		return -EOPNOTSUPP;
+
+	switch (type) {
+	case TC_SETUP_CLSFLOWER:
+		return nfp_flower_repr_offload(repr->app, repr->netdev,
+					       type_data, true);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
 static int nfp_flower_setup_tc_block_cb(enum tc_setup_type type,
 					void *type_data, void *cb_priv)
 {
@@ -476,7 +500,7 @@ static int nfp_flower_setup_tc_block_cb(enum tc_setup_type type,
 	switch (type) {
 	case TC_SETUP_CLSFLOWER:
 		return nfp_flower_repr_offload(repr->app, repr->netdev,
-					       type_data);
+					       type_data, false);
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.h b/drivers/net/ethernet/netronome/nfp/nfp_app.h
index 54b67c9b8d5b..0e5e0305ad1c 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_app.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_app.h
@@ -76,6 +76,8 @@ extern const struct nfp_app_type app_flower;
  * @vnic_free:	free up app's vNIC state
  * @vnic_init:	vNIC netdev was registered
  * @vnic_clean:	vNIC netdev about to be unregistered
+ * @repr_init:	representor about to be registered
+ * @repr_clean:	representor about to be unregistered
  * @repr_open:	representor netdev open callback
  * @repr_stop:	representor netdev stop callback
  * @start:	start application logic
@@ -109,6 +111,9 @@ struct nfp_app_type {
 	int (*vnic_init)(struct nfp_app *app, struct nfp_net *nn);
 	void (*vnic_clean)(struct nfp_app *app, struct nfp_net *nn);
 
+	int (*repr_init)(struct nfp_app *app, struct net_device *netdev);
+	void (*repr_clean)(struct nfp_app *app, struct net_device *netdev);
+
 	int (*repr_open)(struct nfp_app *app, struct nfp_repr *repr);
 	int (*repr_stop)(struct nfp_app *app, struct nfp_repr *repr);
 
@@ -212,6 +217,21 @@ static inline int nfp_app_repr_stop(struct nfp_app *app, struct nfp_repr *repr)
 	return app->type->repr_stop(app, repr);
 }
 
+static inline int
+nfp_app_repr_init(struct nfp_app *app, struct net_device *netdev)
+{
+	if (!app->type->repr_init)
+		return 0;
+	return app->type->repr_init(app, netdev);
+}
+
+static inline void
+nfp_app_repr_clean(struct nfp_app *app, struct net_device *netdev)
+{
+	if (app->type->repr_clean)
+		app->type->repr_clean(app, netdev);
+}
+
 static inline int nfp_app_start(struct nfp_app *app, struct nfp_net *ctrl)
 {
 	app->ctrl = ctrl;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
index 60c8d733a37d..2801ecd09eab 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -104,7 +104,7 @@ static const struct nfp_et_stat nfp_mac_et_stats[] = {
 	{ "rx_frame_too_long_errors",
 			NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS, },
 	{ "rx_range_length_errors",	NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS, },
-	{ "rx_vlan_reveive_ok",		NFP_MAC_STATS_RX_VLAN_REVEIVE_OK, },
+	{ "rx_vlan_received_ok",	NFP_MAC_STATS_RX_VLAN_RECEIVED_OK, },
 	{ "rx_errors",			NFP_MAC_STATS_RX_IN_ERRORS, },
 	{ "rx_broadcast_pkts",		NFP_MAC_STATS_RX_IN_BROADCAST_PKTS, },
 	{ "rx_drop_events",		NFP_MAC_STATS_RX_DROP_EVENTS, },
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index 1bce8c131bb9..924a05e05da0 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -258,6 +258,7 @@ const struct net_device_ops nfp_repr_netdev_ops = {
 static void nfp_repr_clean(struct nfp_repr *repr)
 {
 	unregister_netdev(repr->netdev);
+	nfp_app_repr_clean(repr->app, repr->netdev);
 	dst_release((struct dst_entry *)repr->dst);
 	nfp_port_free(repr->port);
 }
@@ -297,6 +298,8 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
 	netdev->netdev_ops = &nfp_repr_netdev_ops;
 	netdev->ethtool_ops = &nfp_port_ethtool_ops;
 
+	netdev->max_mtu = pf_netdev->max_mtu;
+
 	SWITCHDEV_SET_OPS(netdev, &nfp_port_switchdev_ops);
 
 	if (nfp_app_has_tc(app)) {
@@ -304,12 +307,18 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
 		netdev->hw_features |= NETIF_F_HW_TC;
 	}
 
-	err = register_netdev(netdev);
+	err = nfp_app_repr_init(app, netdev);
 	if (err)
 		goto err_clean;
 
+	err = register_netdev(netdev);
+	if (err)
+		goto err_repr_clean;
+
 	return 0;
 
+err_repr_clean:
+	nfp_app_repr_clean(app, netdev);
 err_clean:
 	dst_release((struct dst_entry *)repr->dst);
 	return err;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_port.h b/drivers/net/ethernet/netronome/nfp/nfp_port.h
index 51dcb9c603ee..21bd4aa32646 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_port.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_port.h
@@ -157,7 +157,7 @@ void nfp_devlink_port_unregister(struct nfp_port *port);
 							/* unused 0x008 */
 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS		(NFP_MAC_STATS_BASE + 0x010)
 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS		(NFP_MAC_STATS_BASE + 0x018)
-#define NFP_MAC_STATS_RX_VLAN_REVEIVE_OK		(NFP_MAC_STATS_BASE + 0x020)
+#define NFP_MAC_STATS_RX_VLAN_RECEIVED_OK		(NFP_MAC_STATS_BASE + 0x020)
 #define NFP_MAC_STATS_RX_IN_ERRORS			(NFP_MAC_STATS_BASE + 0x028)
 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS		(NFP_MAC_STATS_BASE + 0x030)
 #define NFP_MAC_STATS_RX_DROP_EVENTS			(NFP_MAC_STATS_BASE + 0x038)