From owner-svn-src-all@freebsd.org Mon Mar 26 20:04:07 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 E21FDF66851; Mon, 26 Mar 2018 20:04:06 +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 6190470A5C; Mon, 26 Mar 2018 20:01:59 +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 5C28211989; Mon, 26 Mar 2018 20:01:59 +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 w2QK1xlZ005445; Mon, 26 Mar 2018 20:01:59 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w2QK1xbH005442; Mon, 26 Mar 2018 20:01:59 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201803262001.w2QK1xbH005442@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 26 Mar 2018 20:01:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r331570 - stable/11/sys/dev/mlx5/mlx5_en X-SVN-Group: stable-11 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/11/sys/dev/mlx5/mlx5_en X-SVN-Commit-Revision: 331570 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: 2.1.25 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: Mon, 26 Mar 2018 20:04:07 -0000 Author: hselasky Date: Mon Mar 26 20:01:58 2018 New Revision: 331570 URL: https://svnweb.freebsd.org/changeset/base/331570 Log: MFC r325661: Expose the current hardware MTU in mlx5en(4) as a separate entry in the sysctl tree. Sponsored by: Mellanox Technologies Modified: stable/11/sys/dev/mlx5/mlx5_en/en.h stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/mlx5/mlx5_en/en.h ============================================================================== --- stable/11/sys/dev/mlx5/mlx5_en/en.h Mon Mar 26 20:00:30 2018 (r331569) +++ stable/11/sys/dev/mlx5/mlx5_en/en.h Mon Mar 26 20:01:58 2018 (r331570) @@ -412,6 +412,7 @@ struct mlx5e_params { m(+1, u64 modify_rx_dma, "modify_rx_dma", "0: Enable RX 1: Disable RX") \ m(+1, u64 diag_pci_enable, "diag_pci_enable", "0: Disabled 1: Enabled") \ m(+1, u64 diag_general_enable, "diag_general_enable", "0: Disabled 1: Enabled") \ + m(+1, u64 hw_mtu, "hw_mtu", "Current hardware MTU value") \ m(+1, u64 mc_local_lb, "mc_local_lb", "0: Local multicast loopback enabled 1: Disabled") \ m(+1, u64 uc_local_lb, "uc_local_lb", "0: Local unicast loopback enabled 1: Disabled") Modified: stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c ============================================================================== --- stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Mon Mar 26 20:00:30 2018 (r331569) +++ stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Mon Mar 26 20:01:58 2018 (r331570) @@ -778,7 +778,8 @@ mlx5e_create_ethtool(struct mlx5e_priv *priv) return; for (x = 0; x != MLX5E_PARAMS_NUM; x++) { /* check for read-only parameter */ - if (strstr(mlx5e_params_desc[2 * x], "_max") != NULL) { + if (strstr(mlx5e_params_desc[2 * x], "_max") != NULL || + strstr(mlx5e_params_desc[2 * x], "_mtu") != NULL) { SYSCTL_ADD_PROC(&priv->sysctl_ctx, SYSCTL_CHILDREN(node), OID_AUTO, mlx5e_params_desc[2 * x], CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_MPSAFE, priv, x, &mlx5e_ethtool_handler, "QU", Modified: stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Mon Mar 26 20:00:30 2018 (r331569) +++ stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Mon Mar 26 20:01:58 2018 (r331570) @@ -2298,10 +2298,13 @@ mlx5e_set_dev_port_mtu(struct ifnet *ifp, int sw_mtu) __func__, sw_mtu, err); return (err); } + + ifp->if_mtu = sw_mtu; err = mlx5_query_port_oper_mtu(mdev, &hw_mtu); if (err) { if_printf(ifp, "Query port MTU, after setting new " "MTU value, failed\n"); + return (err); } else if (MLX5E_HW2SW_MTU(hw_mtu) < sw_mtu) { err = -E2BIG, if_printf(ifp, "Port MTU %d is smaller than " @@ -2311,7 +2314,8 @@ mlx5e_set_dev_port_mtu(struct ifnet *ifp, int sw_mtu) if_printf(ifp, "Port MTU %d is bigger than " "ifp mtu %d\n", hw_mtu, sw_mtu); } - ifp->if_mtu = sw_mtu; + priv->params_ethtool.hw_mtu = hw_mtu; + return (err); }