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lib/tc: add ICMP type and code match offload

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Add TC offload support for classifying ICMPv4/6 type and code.

$ ovs-appctl dpctl/add-flow 'recirc_id(0),in_port(3),eth(),\
  eth_type(0x0800),ipv4(proto=1),icmp(type=9,code=0)' 2

$ ovs-appctl dpctl/dump-flows
  ... icmp(type=9,code=0) ...

$ tc filter show dev <ethx> ingress
  ...
  eth_type ipv4
  ip_proto icmp
  icmp_type 9
  icmp_code 0
  not_in_hw
  action order 1: mirred (Egress Redirect to device <ethy>) stolen
  ...

Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
This commit is contained in:
Maor Dickman
2021-01-28 15:51:08 +02:00
committed by Simon Horman
parent d5c429a303
commit 75e1e6fd2d
3 changed files with 65 additions and 24 deletions
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3
lib/tc.h
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@@ -107,6 +107,9 @@ struct tc_flower_key {
ovs_be16 sctp_src;
ovs_be16 sctp_dst;
uint8_t icmp_code;
uint8_t icmp_type;
uint16_t vlan_id[FLOW_MAX_VLAN_HEADERS];
uint8_t vlan_prio[FLOW_MAX_VLAN_HEADERS];