net: sched: add ingress mirred action to hardware IR

TC mirred actions (redirect and mirred) can send to egress or ingress of a
device. Currently only egress is used for hw offload rules.

Modify the intermediate representation for hw offload to include mirred
actions that go to ingress. This gives drivers access to such rules and
can decide whether or not to offload them.

Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 04c29f5bb60a297c0b32d88545a49f6b6b932392..d3b12bc8a114a77c154e61cab68661865bcd04e4 100644 (file)
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -117,6 +117,8 @@ enum flow_action_id {
        FLOW_ACTION_GOTO,
        FLOW_ACTION_REDIRECT,
        FLOW_ACTION_MIRRED,
+       FLOW_ACTION_REDIRECT_INGRESS,
+       FLOW_ACTION_MIRRED_INGRESS,
        FLOW_ACTION_VLAN_PUSH,
        FLOW_ACTION_VLAN_POP,
        FLOW_ACTION_VLAN_MANGLE,

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index ae73d37055719a4ab0823584273639970762514a..9d85d3295c7c557abdc7820b32aa7111bc54d2d7 100644 (file)
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -3205,6 +3205,12 @@ int tc_setup_flow_action(struct flow_action *flow_action,
                } else if (is_tcf_mirred_egress_mirror(act)) {
                        entry->id = FLOW_ACTION_MIRRED;
                        entry->dev = tcf_mirred_dev(act);
+               } else if (is_tcf_mirred_ingress_redirect(act)) {
+                       entry->id = FLOW_ACTION_REDIRECT_INGRESS;
+                       entry->dev = tcf_mirred_dev(act);
+               } else if (is_tcf_mirred_ingress_mirror(act)) {
+                       entry->id = FLOW_ACTION_MIRRED_INGRESS;
+                       entry->dev = tcf_mirred_dev(act);
                } else if (is_tcf_vlan(act)) {
                        switch (tcf_vlan_action(act)) {
                        case TCA_VLAN_ACT_PUSH: