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| author | Amery Hung <amery.hung@bytedance.com> | 2025-04-09 14:46:01 -0700 |
|---|---|---|
| committer | Martin KaFai Lau <martin.lau@kernel.org> | 2025-04-17 10:54:40 -0700 |
| commit | 544e0a1f1e56de5a28251c188aa8f78fe50b31c9 (patch) | |
| tree | 8dbfbc107307712f8b846291ac603c2291cb8d85 | |
| parent | 7a2dafda950b78611dc441c83d105dfdc7082681 (diff) | |
| download | ath-544e0a1f1e56de5a28251c188aa8f78fe50b31c9.tar.gz | |
bpf: net_sched: Support updating bstats
Add a kfunc to update Qdisc bstats when an skb is dequeued. The kfunc is
only available in .dequeue programs.
Signed-off-by: Amery Hung <amery.hung@bytedance.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250409214606.2000194-6-ameryhung@gmail.com
| -rw-r--r-- | net/sched/bpf_qdisc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/sched/bpf_qdisc.c b/net/sched/bpf_qdisc.c index 0790f1248bd82..dcbd1c9276345 100644 --- a/net/sched/bpf_qdisc.c +++ b/net/sched/bpf_qdisc.c @@ -238,6 +238,15 @@ __bpf_kfunc void bpf_qdisc_reset_destroy_epilogue(struct Qdisc *sch) qdisc_watchdog_cancel(&q->watchdog); } +/* bpf_qdisc_bstats_update - Update Qdisc basic statistics + * @sch: The qdisc from which an skb is dequeued. + * @skb: The skb to be dequeued. + */ +__bpf_kfunc void bpf_qdisc_bstats_update(struct Qdisc *sch, const struct sk_buff *skb) +{ + bstats_update(&sch->bstats, skb); +} + __bpf_kfunc_end_defs(); BTF_KFUNCS_START(qdisc_kfunc_ids) @@ -248,6 +257,7 @@ BTF_ID_FLAGS(func, bpf_dynptr_from_skb, KF_TRUSTED_ARGS) BTF_ID_FLAGS(func, bpf_qdisc_watchdog_schedule, KF_TRUSTED_ARGS) BTF_ID_FLAGS(func, bpf_qdisc_init_prologue, KF_TRUSTED_ARGS) BTF_ID_FLAGS(func, bpf_qdisc_reset_destroy_epilogue, KF_TRUSTED_ARGS) +BTF_ID_FLAGS(func, bpf_qdisc_bstats_update, KF_TRUSTED_ARGS) BTF_KFUNCS_END(qdisc_kfunc_ids) BTF_SET_START(qdisc_common_kfunc_set) @@ -263,6 +273,7 @@ BTF_SET_END(qdisc_enqueue_kfunc_set) BTF_SET_START(qdisc_dequeue_kfunc_set) BTF_ID(func, bpf_qdisc_watchdog_schedule) +BTF_ID(func, bpf_qdisc_bstats_update) BTF_SET_END(qdisc_dequeue_kfunc_set) enum qdisc_ops_kf_flags { |