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| author | Baowen Zheng <baowen.zheng@corigine.com> | 2021-12-17 19:16:22 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-12-19 15:08:48 +0100 |
| commit | 8cbfe939abe905280279e84a297b1cb34e0d0ec9 (patch) | |
| tree | 9c9e2dad06886bd0834d16071aa2faccdc20d99d /include | |
| parent | flow_offload: add ops to tc_action_ops for flow action setup (diff) | |
| download | linux-8cbfe939abe905280279e84a297b1cb34e0d0ec9.tar.xz linux-8cbfe939abe905280279e84a297b1cb34e0d0ec9.zip | |
flow_offload: allow user to offload tc action to net device
Use flow_indr_dev_register/flow_indr_dev_setup_offload to
offload tc action.
We need to call tc_cleanup_flow_action to clean up tc action entry since
in tc_setup_action, some actions may hold dev refcnt, especially the mirror
action.
Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 1 | ||||
| -rw-r--r-- | include/net/flow_offload.h | 17 | ||||
| -rw-r--r-- | include/net/pkt_cls.h | 5 |
3 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a419718612c6..8b0bdeb4734e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -920,6 +920,7 @@ enum tc_setup_type { TC_SETUP_QDISC_TBF, TC_SETUP_QDISC_FIFO, TC_SETUP_QDISC_HTB, + TC_SETUP_ACT, }; /* These structures hold the attributes of bpf state that are being passed diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 2271da5aa8ee..5b8c54eb7a6b 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -551,6 +551,23 @@ struct flow_cls_offload { u32 classid; }; +enum offload_act_command { + FLOW_ACT_REPLACE, + FLOW_ACT_DESTROY, + FLOW_ACT_STATS, +}; + +struct flow_offload_action { + struct netlink_ext_ack *extack; /* NULL in FLOW_ACT_STATS process*/ + enum offload_act_command command; + enum flow_action_id id; + u32 index; + struct flow_stats stats; + struct flow_action action; +}; + +struct flow_offload_action *offload_action_alloc(unsigned int num_actions); + static inline struct flow_rule * flow_cls_offload_flow_rule(struct flow_cls_offload *flow_cmd) { diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index 5d4ff76d37e2..1bfb616ea759 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -262,6 +262,9 @@ static inline void tcf_exts_put_net(struct tcf_exts *exts) for (; 0; (void)(i), (void)(a), (void)(exts)) #endif +#define tcf_act_for_each_action(i, a, actions) \ + for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++) + static inline void tcf_exts_stats_update(const struct tcf_exts *exts, u64 bytes, u64 packets, u64 drops, u64 lastuse, @@ -539,6 +542,8 @@ tcf_match_indev(struct sk_buff *skb, int ifindex) int tc_setup_offload_action(struct flow_action *flow_action, const struct tcf_exts *exts); void tc_cleanup_offload_action(struct flow_action *flow_action); +int tc_setup_action(struct flow_action *flow_action, + struct tc_action *actions[]); int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type, void *type_data, bool err_stop, bool rtnl_held); |