From c54e1d920f04d528ab558f09326a78d2ae59e323 Mon Sep 17 00:00:00 2001 From: Baowen Zheng Date: Fri, 17 Dec 2021 19:16:21 +0100 Subject: flow_offload: add ops to tc_action_ops for flow action setup Add a new ops to tc_action_ops for flow action setup. Refactor function tc_setup_flow_action to use this new ops. We make this change to facilitate to add standalone action module. We will also use this ops to offload action independent of filter in following patch. Signed-off-by: Baowen Zheng Signed-off-by: Simon Horman Signed-off-by: David S. Miller --- net/sched/act_mpls.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'net/sched/act_mpls.c') diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c index 2b30dc562743..a4615e1331e0 100644 --- a/net/sched/act_mpls.c +++ b/net/sched/act_mpls.c @@ -384,6 +384,43 @@ static int tcf_mpls_search(struct net *net, struct tc_action **a, u32 index) return tcf_idr_search(tn, a, index); } +static int tcf_mpls_offload_act_setup(struct tc_action *act, void *entry_data, + u32 *index_inc, bool bind) +{ + if (bind) { + struct flow_action_entry *entry = entry_data; + + switch (tcf_mpls_action(act)) { + case TCA_MPLS_ACT_PUSH: + entry->id = FLOW_ACTION_MPLS_PUSH; + entry->mpls_push.proto = tcf_mpls_proto(act); + entry->mpls_push.label = tcf_mpls_label(act); + entry->mpls_push.tc = tcf_mpls_tc(act); + entry->mpls_push.bos = tcf_mpls_bos(act); + entry->mpls_push.ttl = tcf_mpls_ttl(act); + break; + case TCA_MPLS_ACT_POP: + entry->id = FLOW_ACTION_MPLS_POP; + entry->mpls_pop.proto = tcf_mpls_proto(act); + break; + case TCA_MPLS_ACT_MODIFY: + entry->id = FLOW_ACTION_MPLS_MANGLE; + entry->mpls_mangle.label = tcf_mpls_label(act); + entry->mpls_mangle.tc = tcf_mpls_tc(act); + entry->mpls_mangle.bos = tcf_mpls_bos(act); + entry->mpls_mangle.ttl = tcf_mpls_ttl(act); + break; + default: + return -EOPNOTSUPP; + } + *index_inc = 1; + } else { + return -EOPNOTSUPP; + } + + return 0; +} + static struct tc_action_ops act_mpls_ops = { .kind = "mpls", .id = TCA_ID_MPLS, @@ -394,6 +431,7 @@ static struct tc_action_ops act_mpls_ops = { .cleanup = tcf_mpls_cleanup, .walk = tcf_mpls_walker, .lookup = tcf_mpls_search, + .offload_act_setup = tcf_mpls_offload_act_setup, .size = sizeof(struct tcf_mpls), }; -- cgit v1.2.3