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flow_offload: add reoffload process to update hw_count

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Add reoffload process to update hw_count when driver
is inserted or removed.

We will delete the action if it is with skip_sw flag and
not offloaded to any hardware in reoffload process.

When reoffloading actions, we still offload the actions
that are added independent of filters.

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>
This commit is contained in:
Baowen Zheng
2021-12-17 19:16:27 +01:00
committed by David S. Miller
parent e8cb5bcf6e
commit 13926d19a1
3 changed files with 250 additions and 17 deletions
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11
include/net/act_api.h
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@@ -7,6 +7,7 @@
*/
#include <linux/refcount.h>
#include <net/flow_offload.h>
#include <net/sch_generic.h>
#include <net/pkt_sched.h>
#include <net/net_namespace.h>
@@ -254,6 +255,8 @@ void tcf_action_update_stats(struct tc_action *a, u64 bytes, u64 packets,
int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);
int tcf_action_update_hw_stats(struct tc_action *action);
int tcf_action_reoffload_cb(flow_indr_block_bind_cb_t *cb,
void *cb_priv, bool add);
int tcf_action_check_ctrlact(int action, struct tcf_proto *tp,
struct tcf_chain **handle,
struct netlink_ext_ack *newchain);
@@ -265,6 +268,14 @@ DECLARE_STATIC_KEY_FALSE(tcf_frag_xmit_count);
#endif
int tcf_dev_queue_xmit(struct sk_buff *skb, int (*xmit)(struct sk_buff *skb));
#else /* !CONFIG_NET_CLS_ACT */
static inline int tcf_action_reoffload_cb(flow_indr_block_bind_cb_t *cb,
void *cb_priv, bool add) {
return 0;
}
#endif /* CONFIG_NET_CLS_ACT */
static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,