From b7fe4ab8a6013c3c721bed91f73e76eec8fb5d89 Mon Sep 17 00:00:00 2001 From: Pieter Jansen van Vuuren Date: Sat, 4 May 2019 04:46:23 -0700 Subject: net/sched: extend matchall offload for hardware statistics Introduce a new command for matchall classifiers that allows hardware to update statistics. Signed-off-by: Pieter Jansen van Vuuren Reviewed-by: Jakub Kicinski Acked-by: Jiri Pirko Signed-off-by: David S. Miller --- net/sched/cls_matchall.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'net/sched') diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c index 87bff17ac782..da916f39b719 100644 --- a/net/sched/cls_matchall.c +++ b/net/sched/cls_matchall.c @@ -321,6 +321,23 @@ static int mall_reoffload(struct tcf_proto *tp, bool add, tc_setup_cb_t *cb, return 0; } +static void mall_stats_hw_filter(struct tcf_proto *tp, + struct cls_mall_head *head, + unsigned long cookie) +{ + struct tc_cls_matchall_offload cls_mall = {}; + struct tcf_block *block = tp->chain->block; + + tc_cls_common_offload_init(&cls_mall.common, tp, head->flags, NULL); + cls_mall.command = TC_CLSMATCHALL_STATS; + cls_mall.cookie = cookie; + + tc_setup_cb_call(block, TC_SETUP_CLSMATCHALL, &cls_mall, false); + + tcf_exts_stats_update(&head->exts, cls_mall.stats.bytes, + cls_mall.stats.pkts, cls_mall.stats.lastused); +} + static int mall_dump(struct net *net, struct tcf_proto *tp, void *fh, struct sk_buff *skb, struct tcmsg *t, bool rtnl_held) { @@ -332,6 +349,9 @@ static int mall_dump(struct net *net, struct tcf_proto *tp, void *fh, if (!head) return skb->len; + if (!tc_skip_hw(head->flags)) + mall_stats_hw_filter(tp, head, (unsigned long)head); + t->tcm_handle = head->handle; nest = nla_nest_start_noflag(skb, TCA_OPTIONS); -- cgit v1.2.3