From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D24E2C433F5 for ; Fri, 4 Mar 2022 06:02:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238265AbiCDGCr (ORCPT ); Fri, 4 Mar 2022 01:02:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238264AbiCDGCp (ORCPT ); Fri, 4 Mar 2022 01:02:45 -0500 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE8DB187BB3; Thu, 3 Mar 2022 22:01:53 -0800 (PST) Received: by mail-pf1-x443.google.com with SMTP id s8so2704117pfk.12; Thu, 03 Mar 2022 22:01:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=tjhKldmhGAQAKgh1N5IQxYI+us242gVIaXzKgAhlpB4=; b=HtuTEnJ2wd9lCxrNLk5HQGdIgKm6ydkREnk7Fbin73qK0AS181fzvfDRlyo/i7DLU/ 3HJlN8+mVLRrfddY02FDoLEt1B0M+K3f5OxrvdGN7pLdZ2maBhCfGWHQFhoY35oF18cx 1VXIEVEr+U+1AGdE+NsWF2882RkLDbJD2x1YYOzAPFLauMXd+cHvwQCVXgL12MB183vX zFx2xNHo523CMr5LcS1MxfhYE0Iz7b1QIl+j8dC9GWybtcgWvVm3+7Uc4vgpHCpzLGI+ 2vFa0a7vVoGUr2G75DBdGONf/DHEI0/v9pzzxJ33UBHV5LHxqbao0A5TGqGbL0UZ648q qInw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=tjhKldmhGAQAKgh1N5IQxYI+us242gVIaXzKgAhlpB4=; b=pWu0ML+CdHzD+HW9ZrSGNnhR1nunVKvNuVGxUV7L2GMrhyk7VuIADW+1DZPYgJ3RDn /Z837lb3i5yUTX1vyP6TBzwZeeMr3fdCMLAjWd774G9BU0+1y0Wt6cypwqX8T+1jxUGY vQaPYGizMoObDS0ui2ffv2vlZzzN39DoSbSl07rXJgM8hQIZOqZ8RJBSdHGiWlLOGXO5 6YBjzYcNNBZpbCo1aMkrNKPf/RX9BQqpf6G+NG2mIr2qex1jFfIyGHUNoze0O4zkE4gk GAeiOyxl85Z5nqlsp+HSN+pav0NzqP+CPuc/YFGudm3OV1kXwdBo1Wt31VNXwCfMbja0 aNAQ== X-Gm-Message-State: AOAM532zFT9fqBndZNlFtLIE793RvU0rpbHhjht6J67CYcNgmG03D4SG OcX2T+w0U8iWJWZ/zi1s6MA= X-Google-Smtp-Source: ABdhPJzVdfO3qBUbuK9q3ei1i1cI197lrtsYkwOThyAy7Xhufbk4bao0s5MjPWsA5RcuSutnEC/UoA== X-Received: by 2002:a62:3085:0:b0:4e0:1218:6d03 with SMTP id w127-20020a623085000000b004e012186d03mr41186844pfw.19.1646373713307; Thu, 03 Mar 2022 22:01:53 -0800 (PST) Received: from localhost.localdomain ([203.205.141.116]) by smtp.gmail.com with ESMTPSA id y5-20020a056a00190500b004f104b5350fsm4569073pfi.93.2022.03.03.22.01.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Mar 2022 22:01:52 -0800 (PST) From: menglong8.dong@gmail.com X-Google-Original-From: imagedong@tencent.com To: dsahern@kernel.org, kuba@kernel.org Cc: rostedt@goodmis.org, mingo@redhat.com, davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, imagedong@tencent.com, edumazet@google.com, talalahmad@google.com, keescook@chromium.org, ilias.apalodimas@linaro.org, alobakin@pm.me, flyingpeng@tencent.com, mengensun@tencent.com, atenart@kernel.org, bigeasy@linutronix.de, memxor@gmail.com, arnd@arndb.de, pabeni@redhat.com, willemb@google.com, vvs@virtuozzo.com, cong.wang@bytedance.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH net-next v2 2/7] net: skb: introduce the function kfree_skb_list_reason() Date: Fri, 4 Mar 2022 14:00:41 +0800 Message-Id: <20220304060046.115414-3-imagedong@tencent.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220304060046.115414-1-imagedong@tencent.com> References: <20220304060046.115414-1-imagedong@tencent.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Menglong Dong To report reasons of skb drops, introduce the function kfree_skb_list_reason() and make kfree_skb_list() an inline call to it. This function will be used in the next commit in __dev_xmit_skb(). Signed-off-by: Menglong Dong --- include/linux/skbuff.h | 8 +++++++- net/core/skbuff.c | 7 ++++--- 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 4328dfc3281c..9d219e266dc7 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1191,10 +1191,16 @@ static inline void kfree_skb(struct sk_buff *skb) } void skb_release_head_state(struct sk_buff *skb); -void kfree_skb_list(struct sk_buff *segs); +void kfree_skb_list_reason(struct sk_buff *segs, + enum skb_drop_reason reason); void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt); void skb_tx_error(struct sk_buff *skb); +static inline void kfree_skb_list(struct sk_buff *segs) +{ + kfree_skb_list_reason(segs, SKB_DROP_REASON_NOT_SPECIFIED); +} + #ifdef CONFIG_TRACEPOINTS void consume_skb(struct sk_buff *skb); #else diff --git a/net/core/skbuff.c b/net/core/skbuff.c index b32c5d782fe1..46d7dea78011 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -777,16 +777,17 @@ void kfree_skb_reason(struct sk_buff *skb, enum skb_drop_reason reason) } EXPORT_SYMBOL(kfree_skb_reason); -void kfree_skb_list(struct sk_buff *segs) +void kfree_skb_list_reason(struct sk_buff *segs, + enum skb_drop_reason reason) { while (segs) { struct sk_buff *next = segs->next; - kfree_skb(segs); + kfree_skb_reason(segs, reason); segs = next; } } -EXPORT_SYMBOL(kfree_skb_list); +EXPORT_SYMBOL(kfree_skb_list_reason); /* Dump skb information and contents. * -- 2.35.1