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net: sched: extract bstats update code into function

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[ Upstream commit 5e1ad95b630e652d3467d1fd1f0b5e5ea2c441e2 ]

Extract common code that increments cpu_bstats counter into standalone act
API function. Change hardware offloaded actions that use percpu counter
allocation to use the new function instead of incrementing cpu_bstats
directly.

This commit doesn't change functionality.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: ca22da2fbd69 ("act_mirred: use the backlog for nested calls to mirred ingress")
Signed-off-by: Shubham Kulkarni <skulkarni@mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vlad Buslov 2025-07-25 00:56:13 +05:30 • committed by Greg Kroah-Hartman
commit dc15bd5634
7 changed files with 13 additions and 6 deletions
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7
include/net/act_api.h
View file

@ -186,6 +186,13 @@ int tcf_action_dump(struct sk_buff *skb, struct tc_action *actions[], int bind,
int ref);
int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
static inline void tcf_action_update_bstats(struct tc_action *a,
struct sk_buff *skb)
{
bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), skb);
}
void tcf_action_update_stats(struct tc_action *a, u64 bytes, u32 packets,
bool drop, bool hw);
int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);

2
net/sched/act_csum.c
View file

@ -577,7 +577,7 @@ static int tcf_csum_act(struct sk_buff *skb, const struct tc_action *a,
params = rcu_dereference_bh(p->params);
tcf_lastuse_update(&p->tcf_tm);
bstats_cpu_update(this_cpu_ptr(p->common.cpu_bstats), skb);
tcf_action_update_bstats(&p->common, skb);
action = READ_ONCE(p->tcf_action);
if (unlikely(action == TC_ACT_SHOT))

2
net/sched/act_ct.c
View file

@ -482,7 +482,7 @@ out_push:
skb_push_rcsum(skb, nh_ofs);
out:
bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), skb);
tcf_action_update_bstats(&c->common, skb);
return retval;
drop:

2
net/sched/act_gact.c
View file

@ -159,7 +159,7 @@ static int tcf_gact_act(struct sk_buff *skb, const struct tc_action *a,
action = gact_rand[ptype](gact);
}
#endif
bstats_cpu_update(this_cpu_ptr(gact->common.cpu_bstats), skb);
tcf_action_update_bstats(&gact->common, skb);
if (action == TC_ACT_SHOT)
qstats_drop_inc(this_cpu_ptr(gact->common.cpu_qstats));

2
net/sched/act_mirred.c
View file

@ -233,7 +233,7 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a,
}
tcf_lastuse_update(&m->tcf_tm);
bstats_cpu_update(this_cpu_ptr(m->common.cpu_bstats), skb);
tcf_action_update_bstats(&m->common, skb);
m_mac_header_xmit = READ_ONCE(m->tcfm_mac_header_xmit);
m_eaction = READ_ONCE(m->tcfm_eaction);

2
net/sched/act_tunnel_key.c
View file

@ -31,7 +31,7 @@ static int tunnel_key_act(struct sk_buff *skb, const struct tc_action *a,
params = rcu_dereference_bh(t->params);
tcf_lastuse_update(&t->tcf_tm);
bstats_cpu_update(this_cpu_ptr(t->common.cpu_bstats), skb);
tcf_action_update_bstats(&t->common, skb);
action = READ_ONCE(t->tcf_action);
switch (params->tcft_action) {

2
net/sched/act_vlan.c
View file

@ -29,7 +29,7 @@ static int tcf_vlan_act(struct sk_buff *skb, const struct tc_action *a,
u16 tci;
tcf_lastuse_update(&v->tcf_tm);
bstats_cpu_update(this_cpu_ptr(v->common.cpu_bstats), skb);
tcf_action_update_bstats(&v->common, skb);
/* Ensure 'data' points at mac_header prior calling vlan manipulating
* functions.