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net/sched: Enable netdev drivers to update statistics of offloaded actions

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Introduce stats_update callback. netdev driver could call it for offloaded
actions to update the basic statistics (packets, bytes and last use).
Since bstats_update() and bstats_cpu_update() use skb as an argument to
get the counters, _bstats_update() and _bstats_cpu_update(), that get
bytes and packets as arguments, were added.

Signed-off-by: Amir Vadai <amirva@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amir Vadai 2016-05-13 12:55:35 +00:00 • committed by David S. Miller
parent 388665a9be
commit 3804070235
2 changed files with 30 additions and 2 deletions
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12
include/net/act_api.h
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@ -106,6 +106,7 @@ struct tc_action_ops {
int bind);
int (*walk)(struct net *, struct sk_buff *,
struct netlink_callback *, int, struct tc_action *);
void (*stats_update)(struct tc_action *, u64, u32, u64);
};
struct tc_action_net {
@ -178,10 +179,21 @@ int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);
#define tc_for_each_action(_a, _exts) \
list_for_each_entry(a, &(_exts)->actions, list)
static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
u64 packets, u64 lastuse)
{
if (!a->ops->stats_update)
return;
a->ops->stats_update(a, bytes, packets, lastuse);
}
#else /* CONFIG_NET_CLS_ACT */
#define tc_no_actions(_exts) true
#define tc_for_each_action(_a, _exts) while (0)
#define tcf_action_stats_update(a, bytes, packets, lastuse)
#endif /* CONFIG_NET_CLS_ACT */
#endif