From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: [PATCH bpf-next 05/11] net: sched: cls_u32: propagate extack support for filter offload Date: Mon, 15 Jan 2018 16:30:21 -0800 Message-ID: <20180116003027.9405-6-jakub.kicinski@netronome.com> References: <20180116003027.9405-1-jakub.kicinski@netronome.com> Cc: dsahern@gmail.com, oss-drivers@netronome.com, jiri@resnulli.us, john.fastabend@gmail.com, jhs@mojatatu.com, gerlitz.or@gmail.com, aring@mojatatu.com, xiyou.wangcong@gmail.com, Quentin Monnet To: davem@davemloft.net, daniel@iogearbox.net, alexei.starovoitov@gmail.com, netdev@vger.kernel.org Return-path: Received: from mail-pl0-f68.google.com ([209.85.160.68]:38282 "EHLO mail-pl0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750827AbeAPAbl (ORCPT ); Mon, 15 Jan 2018 19:31:41 -0500 Received: by mail-pl0-f68.google.com with SMTP id 13so4825683plb.5 for ; Mon, 15 Jan 2018 16:31:40 -0800 (PST) In-Reply-To: <20180116003027.9405-1-jakub.kicinski@netronome.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Quentin Monnet Propagate the extack pointer from the `->change()` classifier operation to the function used for filter replacement in cls_u32, and feed it to tc_cls_common_offload_init(). This makes it possible to use netlink extack messages in the future at replacement time for this filter, although it is not used at this point. Signed-off-by: Quentin Monnet Reviewed-by: Jakub Kicinski --- net/sched/cls_u32.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 8127b15d8d50..ef1b746de80b 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -501,7 +501,7 @@ static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h) } static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h, - u32 flags) + u32 flags, struct netlink_ext_ack *extack) { struct tcf_block *block = tp->chain->block; struct tc_cls_u32_offload cls_u32 = {}; @@ -509,7 +509,7 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h, bool offloaded = false; int err; - tc_cls_common_offload_init(&cls_u32.common, tp, NULL); + tc_cls_common_offload_init(&cls_u32.common, tp, extack); cls_u32.command = TC_CLSU32_NEW_HNODE; cls_u32.hnode.divisor = h->divisor; cls_u32.hnode.handle = h->handle; @@ -542,14 +542,14 @@ static void u32_remove_hw_knode(struct tcf_proto *tp, u32 handle) } static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n, - u32 flags) + u32 flags, struct netlink_ext_ack *extack) { struct tcf_block *block = tp->chain->block; struct tc_cls_u32_offload cls_u32 = {}; bool skip_sw = tc_skip_sw(flags); int err; - tc_cls_common_offload_init(&cls_u32.common, tp, NULL); + tc_cls_common_offload_init(&cls_u32.common, tp, extack); cls_u32.command = TC_CLSU32_REPLACE_KNODE; cls_u32.knode.handle = n->handle; cls_u32.knode.fshift = n->fshift; @@ -943,7 +943,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb, return err; } - err = u32_replace_hw_knode(tp, new, flags); + err = u32_replace_hw_knode(tp, new, flags, extack); if (err) { u32_destroy_key(tp, new, false); return err; @@ -990,7 +990,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb, ht->prio = tp->prio; idr_init(&ht->handle_idr); - err = u32_replace_hw_hnode(tp, ht, flags); + err = u32_replace_hw_hnode(tp, ht, flags, extack); if (err) { idr_remove_ext(&tp_c->handle_idr, handle); kfree(ht); @@ -1088,7 +1088,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb, struct tc_u_knode __rcu **ins; struct tc_u_knode *pins; - err = u32_replace_hw_knode(tp, n, flags); + err = u32_replace_hw_knode(tp, n, flags, extack); if (err) goto errhw; -- 2.15.1