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net: sched: cls_api: add filter counter

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Maintain a count of filters per block.

Counter updates are protected by cb_lock, which is
also used to protect the offload counters.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Asbjørn Sloth Tønnesen
2024-03-25 20:47:35 +00:00
committed by David S. Miller
parent f631ef39d8
commit 2081fd3445
2 changed files with 21 additions and 0 deletions
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2
include/net/sch_generic.h
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@ -422,6 +422,7 @@ struct tcf_proto {
*/
spinlock_t lock;
bool deleting;
bool counted;
refcount_t refcnt;
struct rcu_head rcu;
struct hlist_node destroy_ht_node;
@ -471,6 +472,7 @@ struct tcf_block {
struct flow_block flow_block;
struct list_head owner_list;
bool keep_dst;
atomic_t filtercnt; /* Number of filters */
atomic_t skipswcnt; /* Number of skip_sw filters */
atomic_t offloadcnt; /* Number of oddloaded filters */
unsigned int nooffloaddevcnt; /* Number of devs unable to do offload */