devlink: Add layer 3 control packet traps

Add layer 3 control packet traps such as ARP and DHCP, so that capable
device drivers could register them with devlink. Add documentation for
every added packet trap and packet trap group.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 126 insertions, 0 deletions

diff --git a/include/net/devlink.h b/include/net/devlink.h
index c0061542ad65..05a45dea976b 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -657,6 +657,36 @@ enum devlink_trap_generic_id {
 	DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
 	DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
 	DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
+	DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
+	DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
+	DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
+	DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
+	DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
+	DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
+	DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
+	DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
+	DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
+	DEVLINK_TRAP_GENERIC_ID_UC_LB,
+	DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
+	DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
+	DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
+	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
+	DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
+	DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
 
 	/* Add new generic trap IDs above */
 	__DEVLINK_TRAP_GENERIC_ID_MAX,
@@ -677,6 +707,18 @@ enum devlink_trap_group_generic_id {
 	DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
 	DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
 	DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
+	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
 
 	/* Add new generic trap group IDs above */
 	__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
@@ -766,6 +808,66 @@ enum devlink_trap_group_generic_id {
 	"mld_v2_report"
 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
 	"mld_v1_done"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
+	"ipv4_dhcp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
+	"ipv6_dhcp"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
+	"arp_request"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
+	"arp_response"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
+	"arp_overlay"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
+	"ipv6_neigh_solicit"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
+	"ipv6_neigh_advert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
+	"ipv4_bfd"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
+	"ipv6_bfd"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
+	"ipv4_ospf"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
+	"ipv6_ospf"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
+	"ipv4_bgp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
+	"ipv6_bgp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
+	"ipv4_vrrp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
+	"ipv6_vrrp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
+	"ipv4_pim"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
+	"ipv6_pim"
+#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
+	"uc_loopback"
+#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
+	"local_route"
+#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
+	"external_route"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
+	"ipv6_uc_dip_link_local_scope"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
+	"ipv6_dip_all_nodes"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
+	"ipv6_dip_all_routers"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
+	"ipv6_router_solicit"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
+	"ipv6_router_advert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
+	"ipv6_redirect"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
+	"ipv4_router_alert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
+	"ipv6_router_alert"
+#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
+	"ptp_event"
+#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
+	"ptp_general"
 
 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
 	"l2_drops"
@@ -787,6 +889,30 @@ enum devlink_trap_group_generic_id {
 	"lldp"
 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING  \
 	"mc_snooping"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
+	"dhcp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
+	"neigh_discovery"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
+	"bfd"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
+	"ospf"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
+	"bgp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
+	"vrrp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
+	"pim"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
+	"uc_loopback"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
+	"local_delivery"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
+	"ipv6"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
+	"ptp_event"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
+	"ptp_general"
 
 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id,	      \
 			     _metadata_cap)				      \