From owner-svn-src-all@freebsd.org Tue Jul 17 11:18:02 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C28CA103AB61; Tue, 17 Jul 2018 11:18:02 +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 TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 65A4883B23; Tue, 17 Jul 2018 11:18:02 +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 39FCA2955; Tue, 17 Jul 2018 11:18:02 +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 w6HBI2xT076192; Tue, 17 Jul 2018 11:18:02 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w6HBI1s3076190; Tue, 17 Jul 2018 11:18:01 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201807171118.w6HBI1s3076190@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Tue, 17 Jul 2018 11:18:01 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336403 - head/sys/dev/mlx5/mlx5_en X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/dev/mlx5/mlx5_en X-SVN-Commit-Revision: 336403 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jul 2018 11:18:03 -0000 Author: hselasky Date: Tue Jul 17 11:18:01 2018 New Revision: 336403 URL: https://svnweb.freebsd.org/changeset/base/336403 Log: Add context numbers for HW elements in mlx5en(4). To access the data, set sysctl dev.mce.N.conf.debug_stats to 1. This enables the sysctl node dev.mce.N.hw_ctx_debug. Its content is the mapping of each channel' number to used receive queue and associated completion queue, set of the transmit queues numbers and corresponding completion queues. Trimmed example output: channel 30 rq 188 cq 1085 channel 30 tc 0 sq 187 cq 1084 channel 31 rq 191 cq 1087 channel 31 tc 0 sq 190 cq 1086 MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx5/mlx5_en/en.h head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Modified: head/sys/dev/mlx5/mlx5_en/en.h ============================================================================== --- head/sys/dev/mlx5/mlx5_en/en.h Tue Jul 17 11:11:30 2018 (r336402) +++ head/sys/dev/mlx5/mlx5_en/en.h Tue Jul 17 11:18:01 2018 (r336403) @@ -774,6 +774,7 @@ struct mlx5e_priv { struct sysctl_oid *sysctl_hw; int sysctl_debug; struct mlx5e_stats stats; + struct sysctl_ctx_list sysctl_ctx_channel_debug; int counter_set_id; struct workqueue_struct *wq; Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c ============================================================================== --- head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Tue Jul 17 11:11:30 2018 (r336402) +++ head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Tue Jul 17 11:18:01 2018 (r336403) @@ -916,27 +916,75 @@ static const char *mlx5e_port_stats_debug_desc[] = { }; static int +mlx5e_ethtool_debug_channel_info(SYSCTL_HANDLER_ARGS) +{ + struct mlx5e_priv *priv; + struct sbuf sb; + struct mlx5e_channel *c; + struct mlx5e_sq *sq; + struct mlx5e_rq *rq; + int error, i, tc; + + priv = arg1; + error = sysctl_wire_old_buffer(req, 0); + if (error != 0) + return (error); + if (sbuf_new_for_sysctl(&sb, NULL, 128, req) == NULL) + return (ENOMEM); + sbuf_clear_flags(&sb, SBUF_INCLUDENUL); + + PRIV_LOCK(priv); + if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0) + goto out; + for (i = 0; i < priv->params.num_channels; i++) { + c = priv->channel[i]; + rq = &c->rq; + sbuf_printf(&sb, "channel %d rq %d cq %d\n", + c->ix, rq->rqn, rq->cq.mcq.cqn); + for (tc = 0; tc < c->num_tc; tc++) { + sq = &c->sq[tc]; + sbuf_printf(&sb, "channel %d tc %d sq %d cq %d\n", + c->ix, tc, sq->sqn, sq->cq.mcq.cqn); + } + } +out: + PRIV_UNLOCK(priv); + error = sbuf_finish(&sb); + sbuf_delete(&sb); + return (error); +} + +static int mlx5e_ethtool_debug_stats(SYSCTL_HANDLER_ARGS) { struct mlx5e_priv *priv = arg1; - int error; - int sys_debug; + int error, sys_debug; sys_debug = priv->sysctl_debug; error = sysctl_handle_int(oidp, &priv->sysctl_debug, 0, req); - if (error || !req->newptr) + if (error != 0 || !req->newptr) return (error); - priv->sysctl_debug = !!priv->sysctl_debug; + priv->sysctl_debug = priv->sysctl_debug != 0; if (sys_debug == priv->sysctl_debug) - return (error); - if (priv->sysctl_debug) + return (0); + + PRIV_LOCK(priv); + if (priv->sysctl_debug) { mlx5e_create_stats(&priv->stats.port_stats_debug.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), "debug_stats", mlx5e_port_stats_debug_desc, MLX5E_PORT_STATS_DEBUG_NUM, priv->stats.port_stats_debug.arg); - else + SYSCTL_ADD_PROC(&priv->sysctl_ctx_channel_debug, + SYSCTL_CHILDREN(priv->sysctl_ifnet), OID_AUTO, + "hw_ctx_debug", + CTLFLAG_RD | CTLFLAG_MPSAFE | CTLTYPE_STRING, priv, 0, + mlx5e_ethtool_debug_channel_info, "S", ""); + } else { sysctl_ctx_free(&priv->stats.port_stats_debug.ctx); - return (error); + sysctl_ctx_free(&priv->sysctl_ctx_channel_debug); + } + PRIV_UNLOCK(priv); + return (0); } static void Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Tue Jul 17 11:11:30 2018 (r336402) +++ head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Tue Jul 17 11:18:01 2018 (r336403) @@ -3529,6 +3529,8 @@ mlx5e_create_ifp(struct mlx5_core_dev *mdev) if (ifp->if_capenable & IFCAP_TXCSUM_IPV6) ifp->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); + sysctl_ctx_init(&priv->sysctl_ctx_channel_debug); + /* ifnet sysctl tree */ sysctl_ctx_init(&priv->sysctl_ctx); priv->sysctl_ifnet = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_dev), @@ -3706,6 +3708,7 @@ err_free_wq: err_free_sysctl: sysctl_ctx_free(&priv->sysctl_ctx); + sysctl_ctx_free(&priv->sysctl_ctx_channel_debug); if_free(ifp); @@ -3770,8 +3773,10 @@ mlx5e_destroy_ifp(struct mlx5_core_dev *mdev, void *vp mlx5e_rl_cleanup(priv); #endif /* destroy all remaining sysctl nodes */ - if (priv->sysctl_debug) + if (priv->sysctl_debug) { + sysctl_ctx_free(&priv->sysctl_ctx_channel_debug); sysctl_ctx_free(&priv->stats.port_stats_debug.ctx); + } sysctl_ctx_free(&priv->stats.vport.ctx); sysctl_ctx_free(&priv->stats.pport.ctx); sysctl_ctx_free(&priv->sysctl_ctx);