From owner-svn-src-stable-10@freebsd.org Mon Apr 13 09:02:18 2020 Return-Path: Delivered-To: svn-src-stable-10@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 079EC2B7C90; Mon, 13 Apr 2020 09:02:18 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4912gY6WHDz4KVF; Mon, 13 Apr 2020 09:02:17 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id DAB8A18D08; Mon, 13 Apr 2020 09:02:17 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 03D92HCn001980; Mon, 13 Apr 2020 09:02:17 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 03D92H7h001978; Mon, 13 Apr 2020 09:02:17 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <202004130902.03D92H7h001978@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 13 Apr 2020 09:02:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r359855 - stable/10/sys/dev/mlx5/mlx5_en X-SVN-Group: stable-10 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/10/sys/dev/mlx5/mlx5_en X-SVN-Commit-Revision: 359855 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-10@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 10-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Apr 2020 09:02:18 -0000 Author: hselasky Date: Mon Apr 13 09:02:17 2020 New Revision: 359855 URL: https://svnweb.freebsd.org/changeset/base/359855 Log: MFC r359653: Count number of times transmit ring is out of buffers in mlx5en(4). Differential Revision: https://reviews.freebsd.org/D24273 Sponsored by: Mellanox Technologies Modified: stable/10/sys/dev/mlx5/mlx5_en/en.h stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/mlx5/mlx5_en/en.h ============================================================================== --- stable/10/sys/dev/mlx5/mlx5_en/en.h Mon Apr 13 09:01:46 2020 (r359854) +++ stable/10/sys/dev/mlx5/mlx5_en/en.h Mon Apr 13 09:02:17 2020 (r359855) @@ -355,6 +355,7 @@ struct mlx5e_rq_stats { m(+1, u64 csum_offload_none, "csum_offload_none", "Transmitted packets") \ m(+1, u64 defragged, "defragged", "Transmitted packets") \ m(+1, u64 dropped, "dropped", "Transmitted packets") \ + m(+1, u64 enobuf, "enobuf", "Transmitted packets") \ m(+1, u64 nop, "nop", "Transmitted packets") #define MLX5E_SQ_STATS_NUM (0 MLX5E_SQ_STATS(MLX5E_STATS_COUNT)) Modified: stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c ============================================================================== --- stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Mon Apr 13 09:01:46 2020 (r359854) +++ stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Mon Apr 13 09:02:17 2020 (r359855) @@ -255,6 +255,7 @@ mlx5e_sq_xmit(struct mlx5e_sq *sq, struct mbuf **mbp) * of the mbuf into the drbr (see mlx5e_xmit_locked) */ if (unlikely(!mlx5e_sq_has_room_for(sq, 2 * MLX5_SEND_WQE_MAX_WQEBBS))) { + sq->stats.enobuf++; return (ENOBUFS); } @@ -264,8 +265,10 @@ mlx5e_sq_xmit(struct mlx5e_sq *sq, struct mbuf **mbp) /* Send one multi NOP message instead of many */ mlx5e_send_nop(sq, (pi + 1) * MLX5_SEND_WQEBB_NUM_DS); pi = ((~sq->pc) & sq->wq.sz_m1); - if (pi < (MLX5_SEND_WQE_MAX_WQEBBS - 1)) + if (pi < (MLX5_SEND_WQE_MAX_WQEBBS - 1)) { + sq->stats.enobuf++; return (ENOMEM); + } } /* Setup local variables */