From patchwork Tue Jun 8 18:26:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 456559 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2E7BC47082 for ; Tue, 8 Jun 2021 19:09:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA93761108 for ; Tue, 8 Jun 2021 19:09:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236926AbhFHTLq (ORCPT ); Tue, 8 Jun 2021 15:11:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:55034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237403AbhFHTJg (ORCPT ); Tue, 8 Jun 2021 15:09:36 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 96E6C61422; Tue, 8 Jun 2021 18:48:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623178097; bh=NjUIkDNRZJfZZBR5QpB1Xc3b5bVAfAPPcUHdQFoV2Cc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CtpcdAlUYCiWOHz+B21OeTZnGvBIUV/E2jdM+JwOsjJSeEMh1dsM72lO/Q5GHg+yj FTOWZerwoFb+mirph1AndD/EXn7KQg0nrR7xrxY8yDiQ7E5wTd3zLI0+AFSDk1CX+X CjZ9fqvUp8LcPsHOAd/AhSFEkfAlsgiftOE2QvAg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jesper Dangaard Brouer , Magnus Karlsson , Vishakha Jambekar , Tony Nguyen , Sasha Levin Subject: [PATCH 5.12 048/161] ixgbevf: add correct exception tracing for XDP Date: Tue, 8 Jun 2021 20:26:18 +0200 Message-Id: <20210608175947.099713675@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210608175945.476074951@linuxfoundation.org> References: <20210608175945.476074951@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Magnus Karlsson [ Upstream commit faae81420d162551b6ef2d804aafc00f4cd68e0e ] Add missing exception tracing to XDP when a number of different errors can occur. The support was only partial. Several errors where not logged which would confuse the user quite a lot not knowing where and why the packets disappeared. Fixes: 21092e9ce8b1 ("ixgbevf: Add support for XDP_TX action") Reported-by: Jesper Dangaard Brouer Signed-off-by: Magnus Karlsson Tested-by: Vishakha Jambekar Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 449d7d5b280d..b38860c48598 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1067,11 +1067,14 @@ static struct sk_buff *ixgbevf_run_xdp(struct ixgbevf_adapter *adapter, case XDP_TX: xdp_ring = adapter->xdp_ring[rx_ring->queue_index]; result = ixgbevf_xmit_xdp_ring(xdp_ring, xdp); + if (result == IXGBEVF_XDP_CONSUMED) + goto out_failure; break; default: bpf_warn_invalid_xdp_action(act); fallthrough; case XDP_ABORTED: +out_failure: trace_xdp_exception(rx_ring->netdev, xdp_prog, act); fallthrough; /* handle aborts by dropping packet */ case XDP_DROP: