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devlink: Add layer 3 control packet traps

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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>
This commit is contained in:
Ido Schimmel
2020-05-29 21:36:42 +03:00
committed by David S. Miller
parent 515eac677f
commit d77cfd162a
3 changed files with 311 additions and 0 deletions
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42
net/core/devlink.c
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@@ -8507,6 +8507,36 @@ static const struct devlink_trap devlink_trap_generic[] = {
DEVLINK_TRAP(MLD_V1_REPORT, CONTROL),
DEVLINK_TRAP(MLD_V2_REPORT, CONTROL),
DEVLINK_TRAP(MLD_V1_DONE, CONTROL),
DEVLINK_TRAP(IPV4_DHCP, CONTROL),
DEVLINK_TRAP(IPV6_DHCP, CONTROL),
DEVLINK_TRAP(ARP_REQUEST, CONTROL),
DEVLINK_TRAP(ARP_RESPONSE, CONTROL),
DEVLINK_TRAP(ARP_OVERLAY, CONTROL),
DEVLINK_TRAP(IPV6_NEIGH_SOLICIT, CONTROL),
DEVLINK_TRAP(IPV6_NEIGH_ADVERT, CONTROL),
DEVLINK_TRAP(IPV4_BFD, CONTROL),
DEVLINK_TRAP(IPV6_BFD, CONTROL),
DEVLINK_TRAP(IPV4_OSPF, CONTROL),
DEVLINK_TRAP(IPV6_OSPF, CONTROL),
DEVLINK_TRAP(IPV4_BGP, CONTROL),
DEVLINK_TRAP(IPV6_BGP, CONTROL),
DEVLINK_TRAP(IPV4_VRRP, CONTROL),
DEVLINK_TRAP(IPV6_VRRP, CONTROL),
DEVLINK_TRAP(IPV4_PIM, CONTROL),
DEVLINK_TRAP(IPV6_PIM, CONTROL),
DEVLINK_TRAP(UC_LB, CONTROL),
DEVLINK_TRAP(LOCAL_ROUTE, CONTROL),
DEVLINK_TRAP(EXTERNAL_ROUTE, CONTROL),
DEVLINK_TRAP(IPV6_UC_DIP_LINK_LOCAL_SCOPE, CONTROL),
DEVLINK_TRAP(IPV6_DIP_ALL_NODES, CONTROL),
DEVLINK_TRAP(IPV6_DIP_ALL_ROUTERS, CONTROL),
DEVLINK_TRAP(IPV6_ROUTER_SOLICIT, CONTROL),
DEVLINK_TRAP(IPV6_ROUTER_ADVERT, CONTROL),
DEVLINK_TRAP(IPV6_REDIRECT, CONTROL),
DEVLINK_TRAP(IPV4_ROUTER_ALERT, CONTROL),
DEVLINK_TRAP(IPV6_ROUTER_ALERT, CONTROL),
DEVLINK_TRAP(PTP_EVENT, CONTROL),
DEVLINK_TRAP(PTP_GENERAL, CONTROL),
};
#define DEVLINK_TRAP_GROUP(_id) \
@@ -8526,6 +8556,18 @@ static const struct devlink_trap_group devlink_trap_group_generic[] = {
DEVLINK_TRAP_GROUP(LACP),
DEVLINK_TRAP_GROUP(LLDP),
DEVLINK_TRAP_GROUP(MC_SNOOPING),
DEVLINK_TRAP_GROUP(DHCP),
DEVLINK_TRAP_GROUP(NEIGH_DISCOVERY),
DEVLINK_TRAP_GROUP(BFD),
DEVLINK_TRAP_GROUP(OSPF),
DEVLINK_TRAP_GROUP(BGP),
DEVLINK_TRAP_GROUP(VRRP),
DEVLINK_TRAP_GROUP(PIM),
DEVLINK_TRAP_GROUP(UC_LB),
DEVLINK_TRAP_GROUP(LOCAL_DELIVERY),
DEVLINK_TRAP_GROUP(IPV6),
DEVLINK_TRAP_GROUP(PTP_EVENT),
DEVLINK_TRAP_GROUP(PTP_GENERAL),
};
static int devlink_trap_generic_verify(const struct devlink_trap *trap)