From patchwork Tue Sep 15 20:25:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364680 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=drZ3yJET; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrckZ29xWz9sTR for ; Wed, 16 Sep 2020 08:06:14 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728076AbgIOWGL (ORCPT ); Tue, 15 Sep 2020 18:06:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:53754 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728016AbgIOU0A (ORCPT ); Tue, 15 Sep 2020 16:26:00 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3914C20809; Tue, 15 Sep 2020 20:25:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201554; bh=ST3cSFqSSpB7f/pNfFFvHDFCM9EzKTIepJ3nW1RhTFA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=drZ3yJETy9CYVELlJJW3GP8UY0+iuMFBQECnOyqyYwY00ssLxuQ2CboUlfUYGiV42 GnZlB9kOiK/gJVkWoO051nUqrzcfDEIwqkyI5jNlHuf9VdFGeWrS9/nhsntOvoW6qG AX2Cp2U+UTZjELrifmSGBUej/bUpWoymOPiLX3xc= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Moshe Tal , Aya Levin , Saeed Mahameed Subject: [net-next 01/16] net/mlx5: Fix uninitialized variable warning Date: Tue, 15 Sep 2020 13:25:18 -0700 Message-Id: <20200915202533.64389-2-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Moshe Tal Add variable initialization to eliminate the warning "variable may be used uninitialized". Fixes: 5f29458b77d5 ("net/mlx5e: Support dump callback in TX reporter") Signed-off-by: Moshe Tal Reviewed-by: Aya Levin Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en/health.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/health.c b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c index 3dc200bcfabd..69a05da0e3e3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c @@ -242,8 +242,8 @@ static int mlx5e_health_rsc_fmsg_binary(struct devlink_fmsg *fmsg, { u32 data_size; + int err = 0; u32 offset; - int err; for (offset = 0; offset < value_len; offset += data_size) { data_size = value_len - offset; From patchwork Tue Sep 15 20:25:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364679 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=TwqPNEoX; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrckT1bt7z9sTR for ; Wed, 16 Sep 2020 08:06:09 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728090AbgIOWF5 (ORCPT ); Tue, 15 Sep 2020 18:05:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:53772 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728019AbgIOU0A (ORCPT ); Tue, 15 Sep 2020 16:26:00 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B6782208E4; Tue, 15 Sep 2020 20:25:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201555; bh=ULlyxEWuKZThlYPCpEBBmLt0eB7+VNnZmIDpphdFkVE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TwqPNEoXXQBl76EJ9ilDMxCLDWlv0gXpQChxUf436TDpBL7OfhK6YwTnnHhB7wGQO wrve0PsDJqk5Pzd9ZEFAeIgNxaXDeZVCQegopBJXp7BKq2j273dZ4bLR2dYpavsosp yw/qbTaexpx0TGfsGMzlo38vmabG+b03iXGLJ6lg= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Dan Carpenter , "Gustavo A . R . Silva" , Saeed Mahameed Subject: [net-next 02/16] net/mlx5: remove erroneous fallthrough Date: Tue, 15 Sep 2020 13:25:19 -0700 Message-Id: <20200915202533.64389-3-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Dan Carpenter This isn't a fall through because it was after a return statement. The fall through annotation leads to a Smatch warning: drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:246 mlx5e_ethtool_get_sset_count() warn: ignoring unreachable code. Signed-off-by: Dan Carpenter Reviewed-by: Gustavo A. R. Silva Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 5cb1e4839eb7..e2f092e6da3f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -243,7 +243,6 @@ int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset) return MLX5E_NUM_PFLAGS; case ETH_SS_TEST: return mlx5e_self_test_num(priv); - fallthrough; default: return -EOPNOTSUPP; } From patchwork Tue Sep 15 20:25:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364645 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=ybjxr1Gm; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrZZp3HFzz9sTM for ; Wed, 16 Sep 2020 06:29:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727945AbgIOU20 (ORCPT ); Tue, 15 Sep 2020 16:28:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:53786 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728021AbgIOU0A (ORCPT ); Tue, 15 Sep 2020 16:26:00 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 41A59212CC; Tue, 15 Sep 2020 20:25:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201555; bh=Mgd0bBvJuBI59QKfqqPfdbn5p4ofeM4J2pdGmv2KLww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ybjxr1GmkYY0vsCbblx1N8qQw3pQlYECbyaS0CmS9dI4M3rOjCDyo70O5XgAK8ecg QQCsNRjKQwXDj8+JLYg3DGnUz7k37Dm9jZDtFfE1Uh2u1s0TInhVdRy8zToDWxxTUy XIhbX5UcI3qKI/etUApeyAmRaY9G/LvnV+OL1Pm0= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Eran Ben Elisha , Moshe Shemesh , Saeed Mahameed Subject: [net-next 03/16] net/mlx5: Always use container_of to find mdev pointer from clock struct Date: Tue, 15 Sep 2020 13:25:20 -0700 Message-Id: <20200915202533.64389-4-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eran Ben Elisha Clock struct is part of struct mlx5_core_dev. Code was inconsistent, on some cases used container_of and on another used clock->mdev. Align code to use container_of amd remove clock->mdev pointer. While here, fix reverse xmas tree coding style. Signed-off-by: Eran Ben Elisha Reviewed-by: Moshe Shemesh Signed-off-by: Saeed Mahameed --- .../ethernet/mellanox/mlx5/core/lib/clock.c | 52 +++++++++++-------- include/linux/mlx5/driver.h | 1 - 2 files changed, 29 insertions(+), 24 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index 2d55b7c22c03..a07aeb97d027 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -150,28 +150,30 @@ static void mlx5_pps_out(struct work_struct *work) static void mlx5_timestamp_overflow(struct work_struct *work) { struct delayed_work *dwork = to_delayed_work(work); - struct mlx5_clock *clock = container_of(dwork, struct mlx5_clock, - overflow_work); + struct mlx5_core_dev *mdev; + struct mlx5_clock *clock; unsigned long flags; + clock = container_of(dwork, struct mlx5_clock, overflow_work); + mdev = container_of(clock, struct mlx5_core_dev, clock); write_seqlock_irqsave(&clock->lock, flags); timecounter_read(&clock->tc); - mlx5_update_clock_info_page(clock->mdev); + mlx5_update_clock_info_page(mdev); write_sequnlock_irqrestore(&clock->lock, flags); schedule_delayed_work(&clock->overflow_work, clock->overflow_period); } -static int mlx5_ptp_settime(struct ptp_clock_info *ptp, - const struct timespec64 *ts) +static int mlx5_ptp_settime(struct ptp_clock_info *ptp, const struct timespec64 *ts) { - struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, - ptp_info); + struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info); u64 ns = timespec64_to_ns(ts); + struct mlx5_core_dev *mdev; unsigned long flags; + mdev = container_of(clock, struct mlx5_core_dev, clock); write_seqlock_irqsave(&clock->lock, flags); timecounter_init(&clock->tc, &clock->cycles, ns); - mlx5_update_clock_info_page(clock->mdev); + mlx5_update_clock_info_page(mdev); write_sequnlock_irqrestore(&clock->lock, flags); return 0; @@ -180,13 +182,12 @@ static int mlx5_ptp_settime(struct ptp_clock_info *ptp, static int mlx5_ptp_gettimex(struct ptp_clock_info *ptp, struct timespec64 *ts, struct ptp_system_timestamp *sts) { - struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, - ptp_info); - struct mlx5_core_dev *mdev = container_of(clock, struct mlx5_core_dev, - clock); + struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info); + struct mlx5_core_dev *mdev; unsigned long flags; u64 cycles, ns; + mdev = container_of(clock, struct mlx5_core_dev, clock); write_seqlock_irqsave(&clock->lock, flags); cycles = mlx5_read_internal_timer(mdev, sts); ns = timecounter_cyc2time(&clock->tc, cycles); @@ -199,13 +200,14 @@ static int mlx5_ptp_gettimex(struct ptp_clock_info *ptp, struct timespec64 *ts, static int mlx5_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) { - struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, - ptp_info); + struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info); + struct mlx5_core_dev *mdev; unsigned long flags; + mdev = container_of(clock, struct mlx5_core_dev, clock); write_seqlock_irqsave(&clock->lock, flags); timecounter_adjtime(&clock->tc, delta); - mlx5_update_clock_info_page(clock->mdev); + mlx5_update_clock_info_page(mdev); write_sequnlock_irqrestore(&clock->lock, flags); return 0; @@ -213,12 +215,13 @@ static int mlx5_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) static int mlx5_ptp_adjfreq(struct ptp_clock_info *ptp, s32 delta) { - u64 adj; - u32 diff; + struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info); + struct mlx5_core_dev *mdev; unsigned long flags; int neg_adj = 0; - struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, - ptp_info); + u32 diff; + u64 adj; + if (delta < 0) { neg_adj = 1; @@ -229,11 +232,12 @@ static int mlx5_ptp_adjfreq(struct ptp_clock_info *ptp, s32 delta) adj *= delta; diff = div_u64(adj, 1000000000ULL); + mdev = container_of(clock, struct mlx5_core_dev, clock); write_seqlock_irqsave(&clock->lock, flags); timecounter_read(&clock->tc); clock->cycles.mult = neg_adj ? clock->nominal_c_mult - diff : clock->nominal_c_mult + diff; - mlx5_update_clock_info_page(clock->mdev); + mlx5_update_clock_info_page(mdev); write_sequnlock_irqrestore(&clock->lock, flags); return 0; @@ -465,7 +469,8 @@ static int mlx5_query_mtpps_pin_mode(struct mlx5_core_dev *mdev, u8 pin, static int mlx5_get_pps_pin_mode(struct mlx5_clock *clock, u8 pin) { - struct mlx5_core_dev *mdev = clock->mdev; + struct mlx5_core_dev *mdev = container_of(clock, struct mlx5_core_dev, clock); + u32 out[MLX5_ST_SZ_DW(mtpps_reg)] = {}; u8 mode; int err; @@ -538,15 +543,17 @@ static int mlx5_pps_event(struct notifier_block *nb, unsigned long type, void *data) { struct mlx5_clock *clock = mlx5_nb_cof(nb, struct mlx5_clock, pps_nb); - struct mlx5_core_dev *mdev = clock->mdev; struct ptp_clock_event ptp_event; u64 cycles_now, cycles_delta; u64 nsec_now, nsec_delta, ns; struct mlx5_eqe *eqe = data; int pin = eqe->data.pps.pin; + struct mlx5_core_dev *mdev; struct timespec64 ts; unsigned long flags; + mdev = container_of(clock, struct mlx5_core_dev, clock); + switch (clock->ptp_info.pin_config[pin].func) { case PTP_PF_EXTTS: ptp_event.index = pin; @@ -605,7 +612,6 @@ void mlx5_init_clock(struct mlx5_core_dev *mdev) clock->cycles.shift); clock->nominal_c_mult = clock->cycles.mult; clock->cycles.mask = CLOCKSOURCE_MASK(41); - clock->mdev = mdev; timecounter_init(&clock->tc, &clock->cycles, ktime_to_ns(ktime_get_real())); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index c145de0473bc..8dc3da6e6480 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -643,7 +643,6 @@ struct mlx5_pps { }; struct mlx5_clock { - struct mlx5_core_dev *mdev; struct mlx5_nb pps_nb; seqlock_t lock; struct cyclecounter cycles; From patchwork Tue Sep 15 20:25:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364681 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=ZD03Qq5+; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Brckf0pBbz9sTR for ; Wed, 16 Sep 2020 08:06:18 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728009AbgIOWGP (ORCPT ); Tue, 15 Sep 2020 18:06:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:53802 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728018AbgIOU0A (ORCPT ); Tue, 15 Sep 2020 16:26:00 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B1E75218AC; Tue, 15 Sep 2020 20:25:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201556; bh=mnWL4epkwahZXwb5sMm7g3MNbSHtWRYyjgtoMAdPtsM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZD03Qq5+VRe67FZ44ckksUMD0HDPBu/0nBT6VJ7DQTT75V/AI4jaJwwe9wKL916lG gPIrZQ1ijmT+9/vVgv2ociWXQ4XvWRy/E+zoivkMf71BEogOFn7kV9NHNXExi6T/oA uyntlLgTa/DFI+ObSDzDoRvJNevP/OEL9Pd/4qNI= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Eran Ben Elisha , Saeed Mahameed Subject: [net-next 04/16] net/mlx5: Rename ptp clock info Date: Tue, 15 Sep 2020 13:25:21 -0700 Message-Id: <20200915202533.64389-5-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eran Ben Elisha Fix a typo in ptp_clock_info naming: mlx5_p2p -> mlx5_ptp. Signed-off-by: Eran Ben Elisha Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index a07aeb97d027..b62daf7b9a5c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -441,7 +441,7 @@ static int mlx5_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin, static const struct ptp_clock_info mlx5_ptp_clock_info = { .owner = THIS_MODULE, - .name = "mlx5_p2p", + .name = "mlx5_ptp", .max_adj = 100000000, .n_alarm = 0, .n_ext_ts = 0, From patchwork Tue Sep 15 20:25:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364672 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=Dj9/Ovb2; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Brcj96KX0z9sT6 for ; Wed, 16 Sep 2020 08:05:01 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728014AbgIOWFA (ORCPT ); Tue, 15 Sep 2020 18:05:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:54380 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727907AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2153E21974; Tue, 15 Sep 2020 20:25:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201556; bh=rIbuF4LBIDj3nrco7Vxo0vv2OzeqRPw/dqH/gR1Urtk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Dj9/Ovb2VLirUEWerTggRLTHhNKUiS0uoH3jSNuJhQeH6BTY8dS/2fF4LCwSyelUw Hbn/J3D36w0i5JaTTEVwDZ5Shwol2TnN1oUcn5XqCsZuBGVd3haAQdD5EfNEDA3Vcy c4bNfQQFPcR7pe1zHgrzd9/jilK9SPPe/maTEShQ= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Eran Ben Elisha , Moshe Shemesh , Saeed Mahameed Subject: [net-next 05/16] net/mlx5: Release clock lock before scheduling a PPS work Date: Tue, 15 Sep 2020 13:25:22 -0700 Message-Id: <20200915202533.64389-6-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eran Ben Elisha Holding the clock lock is not required when scheduling a PPS work. Signed-off-by: Eran Ben Elisha Reviewed-by: Moshe Shemesh Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index b62daf7b9a5c..f8465e42b238 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -581,8 +581,8 @@ static int mlx5_pps_event(struct notifier_block *nb, cycles_delta = div64_u64(nsec_delta << clock->cycles.shift, clock->cycles.mult); clock->pps_info.start[pin] = cycles_now + cycles_delta; - schedule_work(&clock->pps_info.out_work); write_sequnlock_irqrestore(&clock->lock, flags); + schedule_work(&clock->pps_info.out_work); break; default: mlx5_core_err(mdev, " Unhandled clock PPS event, func %d\n", From patchwork Tue Sep 15 20:25:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364677 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=QaBd8SZR; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Brck741xlz9sT6 for ; Wed, 16 Sep 2020 08:05:51 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728113AbgIOWFY (ORCPT ); Tue, 15 Sep 2020 18:05:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:54386 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727987AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 936F32080C; Tue, 15 Sep 2020 20:25:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201556; bh=RcX7srgKazxOFPGlCxfgFFi6K/03jNvn2kbyUwkVsRs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QaBd8SZRoZCh5XYtQ/cI/14tDp1JHFZavbZ5Cx3icGypwBOh9uLpUOXCliBRuePTe woapDHbEt2R87ktSBD5Y+78rmI60GPoHGTH2x24iMVXhMKIp/AitprC0oBjCr+wFWR UZwzmfDp/QDfUFVXDV6Ik5Rl345QzYyJIi+xGY44= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Eran Ben Elisha , Saeed Mahameed Subject: [net-next 06/16] net/mlx5: Don't call timecounter cyc2time directly from 1PPS flow Date: Tue, 15 Sep 2020 13:25:23 -0700 Message-Id: <20200915202533.64389-7-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eran Ben Elisha Before calling timecounter_cyc2time(), clock->lock must be taken. Use mlx5_timecounter_cyc2time instead which guarantees a safe access. Fixes: afc98a0b46d8 ("net/mlx5: Update ptp_clock_event foreach PPS event") Signed-off-by: Eran Ben Elisha Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index f8465e42b238..7fc59e01a353 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -557,8 +557,9 @@ static int mlx5_pps_event(struct notifier_block *nb, switch (clock->ptp_info.pin_config[pin].func) { case PTP_PF_EXTTS: ptp_event.index = pin; - ptp_event.timestamp = timecounter_cyc2time(&clock->tc, - be64_to_cpu(eqe->data.pps.time_stamp)); + ptp_event.timestamp = + mlx5_timecounter_cyc2time(clock, + be64_to_cpu(eqe->data.pps.time_stamp)); if (clock->pps_info.enabled) { ptp_event.type = PTP_CLOCK_PPSUSR; ptp_event.pps_times.ts_real = From patchwork Tue Sep 15 20:25:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364671 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=vCoT92F4; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Brchl6rjnz9sT6 for ; Wed, 16 Sep 2020 08:04:39 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727729AbgIOVN0 (ORCPT ); Tue, 15 Sep 2020 17:13:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:54382 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727957AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 07E0D20936; Tue, 15 Sep 2020 20:25:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201557; bh=rStx+vWtUWZHmIZuOtNmbT5SBsevn4dvruAYjyoc7aA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vCoT92F48NpxNiaW/HQqv+/0LZ6X3EON001AaC7XZuVKuPT4qR49LjZnp06r/5uwU 7cyitgUvU2rFIv50JlfZBXAzbJTCqoAe7BsUHIa9eD7tSaX5HE4uwHTLjyaoccKAc/ sQC4Aa2sKWnNFALctLgLRpmbVUKJlmbvxQfCmlUc= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Jianbo Liu , Jiri Pirko , Saeed Mahameed Subject: [net-next 07/16] net/mlx5e: Return a valid errno if can't get lag device index Date: Tue, 15 Sep 2020 13:25:24 -0700 Message-Id: <20200915202533.64389-8-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jianbo Liu Change the return value to -ENOENT, to make it more meaningful. Signed-off-by: Jianbo Liu Reviewed-by: Jiri Pirko Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/lag.c | 6 +++--- drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c | 7 ++++++- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 874c70e8cc54..8b6e2aae2783 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -102,7 +102,7 @@ int mlx5_lag_dev_get_netdev_idx(struct mlx5_lag *ldev, if (ldev->pf[i].netdev == ndev) return i; - return -1; + return -ENOENT; } static bool __mlx5_lag_is_roce(struct mlx5_lag *ldev) @@ -374,7 +374,7 @@ static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev, rcu_read_lock(); for_each_netdev_in_bond_rcu(upper, ndev_tmp) { idx = mlx5_lag_dev_get_netdev_idx(ldev, ndev_tmp); - if (idx > -1) + if (idx >= 0) bond_status |= (1 << idx); num_slaves++; @@ -418,7 +418,7 @@ static int mlx5_handle_changelowerstate_event(struct mlx5_lag *ldev, return 0; idx = mlx5_lag_dev_get_netdev_idx(ldev, ndev); - if (idx == -1) + if (idx < 0) return 0; /* This information is used to determine virtual to physical diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c index 9e68f5926ab6..d192d25cff33 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c @@ -131,7 +131,12 @@ static void mlx5_lag_fib_route_event(struct mlx5_lag *ldev, struct net_device *nh_dev = nh->fib_nh_dev; int i = mlx5_lag_dev_get_netdev_idx(ldev, nh_dev); - mlx5_lag_set_port_affinity(ldev, ++i); + if (i < 0) + i = MLX5_LAG_NORMAL_AFFINITY; + else + ++i; + + mlx5_lag_set_port_affinity(ldev, i); } return; } From patchwork Tue Sep 15 20:25:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364659 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=ZloJk3LO; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrbXv4Rpcz9sSn for ; Wed, 16 Sep 2020 07:12:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727997AbgIOVML (ORCPT ); Tue, 15 Sep 2020 17:12:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:54378 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727953AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8155421D7F; Tue, 15 Sep 2020 20:25:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201558; bh=tRi7dwj1PbSoYQrwCfZJ3a2NrpdhhjHDBAHIAGmp9aM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZloJk3LOZ5KsKcScaPLvPY/Sk4UUI44mADgO/T3GQnnnkCHpYAMrHhn4u3oZjD71C tEE0CGrocTHpNZvCvzu/O7DNB7e6t3qFofmxnh7N+RmqV/h/jbjy5ywox3zOe88P0L xnxyQDulOzFA1T1460KaSTNKknifPOno3RJy/vvk= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Jianbo Liu , Raed Salem , Roi Dayan , Jiri Pirko , Raed Salem , Roi Dayan , Saeed Mahameed Subject: [net-next 08/16] net/mlx5e: Add LAG warning for unsupported tx type Date: Tue, 15 Sep 2020 13:25:25 -0700 Message-Id: <20200915202533.64389-9-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jianbo Liu If bond tx type is not active-backup or hash, LAG offload can't be enabled. When CHANGEUPPER event is received, and both PFs (and only them) under the same lag master are about to be enslaved, a warning is returned for user to know the offload failure, otherwise PFs are enslaved silently without LAG offload activated. Signed-off-by: Jianbo Liu Reviewed-by: Raed Salem Reviewed-by: Roi Dayan Reviewed-by: Jiri Pirko Reviewed-by: Raed Salem Reviewed-by: Roi Dayan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/lag.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 8b6e2aae2783..191d3d5be46d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -355,7 +355,7 @@ static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev, { struct net_device *upper = info->upper_dev, *ndev_tmp; struct netdev_lag_upper_info *lag_upper_info = NULL; - bool is_bonded; + bool is_bonded, is_in_lag, mode_supported; int bond_status = 0; int num_slaves = 0; int idx; @@ -391,13 +391,18 @@ static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev, /* Determine bonding status: * A device is considered bonded if both its physical ports are slaves * of the same lag master, and only them. - * Lag mode must be activebackup or hash. */ - is_bonded = (num_slaves == MLX5_MAX_PORTS) && - (bond_status == 0x3) && - ((tracker->tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP) || - (tracker->tx_type == NETDEV_LAG_TX_TYPE_HASH)); + is_in_lag = num_slaves == MLX5_MAX_PORTS && bond_status == 0x3; + /* Lag mode must be activebackup or hash. */ + mode_supported = tracker->tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP || + tracker->tx_type == NETDEV_LAG_TX_TYPE_HASH; + + if (is_in_lag && !mode_supported) + NL_SET_ERR_MSG_MOD(info->info.extack, + "Can't activate LAG offload, TX type isn't supported"); + + is_bonded = is_in_lag && mode_supported; if (tracker->is_bonded != is_bonded) { tracker->is_bonded = is_bonded; return 1; From patchwork Tue Sep 15 20:25:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364676 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=HJuBXH9b; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Brcjx0WGtz9sT6 for ; Wed, 16 Sep 2020 08:05:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728120AbgIOWFk (ORCPT ); Tue, 15 Sep 2020 18:05:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:54384 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727976AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 233102193E; Tue, 15 Sep 2020 20:25:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201558; bh=Qm3l8yQ0OD8GhTIoECQ0am40hEd2UFkbvRqIbWs+aew=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HJuBXH9bvcoFCIlUDgbkVqGdWAckAVmesbWYiJCDMAfROo9Nw8kSjHU4Odx3cTp7O cLgAQHS4115tTjMOtjcEa6YvQRzRjFuvWhtELYWJcgLABfl34oBOudLN7qIXDbWk9K TVQVYa0xjt9JBBjDF4hCpZtzv5bw+QbyQWCVDOew= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Jianbo Liu , Raed Salem , Roi Dayan , Jiri Pirko , Raed Salem , Roi Dayan , Saeed Mahameed Subject: [net-next 09/16] net/mlx5e: Add LAG warning if bond slave is not lag master Date: Tue, 15 Sep 2020 13:25:26 -0700 Message-Id: <20200915202533.64389-10-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jianbo Liu LAG offload can't be enabled if the enslaved PF is not lag master, which is indicated by HCA capabilities bit. It is cleared if more than 64 VFs are configured for this PF. Previously, a data structure is created to store lag info, including PFs to be enslaved, then a handler is registered for netdev notifier. However, this initialization is skipped if PF is not lag master. So PF can't handle CHANGEUPPER event from upper bond device. Even worse, PF is enslaved silently, and LAG offload is not activated. Fix this by registering netdev notifier for PFs which are not lag masters. When CHANGEUPPER event is received, and both physical ports (and only them) on the same NIC are about to be enslaved, a warning is returned for user to know it. Signed-off-by: Jianbo Liu Reviewed-by: Raed Salem Reviewed-by: Roi Dayan Reviewed-by: Jiri Pirko Reviewed-by: Raed Salem Reviewed-by: Roi Dayan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/lag.c | 43 ++++++++++++++----- drivers/net/ethernet/mellanox/mlx5/core/lag.h | 7 +++ .../net/ethernet/mellanox/mlx5/core/lag_mp.c | 2 +- 3 files changed, 41 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 191d3d5be46d..33081b24f10a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -271,7 +271,7 @@ static void mlx5_do_bond(struct mlx5_lag *ldev) bool do_bond, roce_lag; int err; - if (!dev0 || !dev1) + if (!mlx5_lag_is_ready(ldev)) return; spin_lock(&lag_lock); @@ -394,6 +394,12 @@ static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev, */ is_in_lag = num_slaves == MLX5_MAX_PORTS && bond_status == 0x3; + if (!mlx5_lag_is_ready(ldev) && is_in_lag) { + NL_SET_ERR_MSG_MOD(info->info.extack, + "Can't activate LAG offload, PF is configured with more than 64 VFs"); + return 0; + } + /* Lag mode must be activebackup or hash. */ mode_supported = tracker->tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP || tracker->tx_type == NETDEV_LAG_TX_TYPE_HASH; @@ -450,6 +456,10 @@ static int mlx5_lag_netdev_event(struct notifier_block *this, return NOTIFY_DONE; ldev = container_of(this, struct mlx5_lag, nb); + + if (!mlx5_lag_is_ready(ldev) && event == NETDEV_CHANGELOWERSTATE) + return NOTIFY_DONE; + tracker = ldev->tracker; switch (event) { @@ -498,14 +508,14 @@ static void mlx5_lag_dev_free(struct mlx5_lag *ldev) kfree(ldev); } -static void mlx5_lag_dev_add_pf(struct mlx5_lag *ldev, - struct mlx5_core_dev *dev, - struct net_device *netdev) +static int mlx5_lag_dev_add_pf(struct mlx5_lag *ldev, + struct mlx5_core_dev *dev, + struct net_device *netdev) { unsigned int fn = PCI_FUNC(dev->pdev->devfn); if (fn >= MLX5_MAX_PORTS) - return; + return -EPERM; spin_lock(&lag_lock); ldev->pf[fn].dev = dev; @@ -516,6 +526,8 @@ static void mlx5_lag_dev_add_pf(struct mlx5_lag *ldev, dev->priv.lag = ldev; spin_unlock(&lag_lock); + + return fn; } static void mlx5_lag_dev_remove_pf(struct mlx5_lag *ldev, @@ -542,11 +554,9 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev) { struct mlx5_lag *ldev = NULL; struct mlx5_core_dev *tmp_dev; - int err; + int i, err; - if (!MLX5_CAP_GEN(dev, vport_group_manager) || - !MLX5_CAP_GEN(dev, lag_master) || - (MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_MAX_PORTS)) + if (!MLX5_CAP_GEN(dev, vport_group_manager)) return; tmp_dev = mlx5_get_next_phys_dev(dev); @@ -561,7 +571,18 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev) } } - mlx5_lag_dev_add_pf(ldev, dev, netdev); + if (mlx5_lag_dev_add_pf(ldev, dev, netdev) < 0) + return; + + for (i = 0; i < MLX5_MAX_PORTS; i++) { + tmp_dev = ldev->pf[i].dev; + if (!tmp_dev || !MLX5_CAP_GEN(tmp_dev, lag_master) || + MLX5_CAP_GEN(tmp_dev, num_lag_ports) != MLX5_MAX_PORTS) + break; + } + + if (i >= MLX5_MAX_PORTS) + ldev->flags |= MLX5_LAG_FLAG_READY; if (!ldev->nb.notifier_call) { ldev->nb.notifier_call = mlx5_lag_netdev_event; @@ -592,6 +613,8 @@ void mlx5_lag_remove(struct mlx5_core_dev *dev) mlx5_lag_dev_remove_pf(ldev, dev); + ldev->flags &= ~MLX5_LAG_FLAG_READY; + for (i = 0; i < MLX5_MAX_PORTS; i++) if (ldev->pf[i].dev) break; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.h b/drivers/net/ethernet/mellanox/mlx5/core/lag.h index f1068aac6406..8d8cf2d0bc6d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.h @@ -16,6 +16,7 @@ enum { MLX5_LAG_FLAG_ROCE = 1 << 0, MLX5_LAG_FLAG_SRIOV = 1 << 1, MLX5_LAG_FLAG_MULTIPATH = 1 << 2, + MLX5_LAG_FLAG_READY = 1 << 3, }; #define MLX5_LAG_MODE_FLAGS (MLX5_LAG_FLAG_ROCE | MLX5_LAG_FLAG_SRIOV |\ @@ -59,6 +60,12 @@ __mlx5_lag_is_active(struct mlx5_lag *ldev) return !!(ldev->flags & MLX5_LAG_MODE_FLAGS); } +static inline bool +mlx5_lag_is_ready(struct mlx5_lag *ldev) +{ + return ldev->flags & MLX5_LAG_FLAG_READY; +} + void mlx5_modify_lag(struct mlx5_lag *ldev, struct lag_tracker *tracker); int mlx5_activate_lag(struct mlx5_lag *ldev, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c index d192d25cff33..88e58ac902de 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c @@ -11,7 +11,7 @@ static bool mlx5_lag_multipath_check_prereq(struct mlx5_lag *ldev) { - if (!ldev->pf[MLX5_LAG_P1].dev || !ldev->pf[MLX5_LAG_P2].dev) + if (!mlx5_lag_is_ready(ldev)) return false; return mlx5_esw_multipath_prereq(ldev->pf[MLX5_LAG_P1].dev, From patchwork Tue Sep 15 20:25:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364675 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=vUIplKrA; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Brcjb4yhpz9sT6 for ; Wed, 16 Sep 2020 08:05:23 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728112AbgIOWFT (ORCPT ); Tue, 15 Sep 2020 18:05:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:54388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727911AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C49F921D80; Tue, 15 Sep 2020 20:25:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201559; bh=m6rs5ILt3u66PeGoJsfzJOjhBXLgEI0aIIIlRX6t8Oc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vUIplKrAeVvPbTw1ROS4/R+s2nEEt3NYy5V4h50DgT1NHAEFqfa6wPg1m8PlnVPvc AUVSncZ3fDieU3MWyqLkx9wWeEwaNUcgEo4qeOntz3VJgUlp1y6T8rp5Whm2+/KIKP qy6Rt8wWGKNTZyMoi8QFYA9GYXFcMxxJ/6Rwqlio= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Vu Pham , Mark Bloch , Saeed Mahameed Subject: [net-next 10/16] net/mlx5: E-Switch, Check and enable metadata support flag before using Date: Tue, 15 Sep 2020 13:25:27 -0700 Message-Id: <20200915202533.64389-11-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vu Pham Check E-Switch capabilities and enable metadata support flag before using it to setup other features that need metadata. Signed-off-by: Vu Pham Reviewed-by: Mark Bloch Signed-off-by: Saeed Mahameed --- .../mellanox/mlx5/core/eswitch_offloads.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index b381cbca5852..4cbadb15297c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1968,16 +1968,9 @@ esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw, static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw) { struct mlx5_vport *vport; - int err; - - if (esw_use_vport_metadata(esw)) - esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA; vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK); - err = esw_vport_create_offloads_acl_tables(esw, vport); - if (err) - esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA; - return err; + return esw_vport_create_offloads_acl_tables(esw, vport); } static void esw_destroy_uplink_offloads_acl_tables(struct mlx5_eswitch *esw) @@ -1986,7 +1979,6 @@ static void esw_destroy_uplink_offloads_acl_tables(struct mlx5_eswitch *esw) vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK); esw_vport_destroy_offloads_acl_tables(esw, vport); - esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA; } static int esw_offloads_steering_init(struct mlx5_eswitch *esw) @@ -2146,6 +2138,9 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) if (err) goto err_vport_metadata; + if (esw_use_vport_metadata(esw)) + esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA; + err = esw_set_passing_vport_metadata(esw, true); if (err) goto err_vport_metadata; @@ -2178,6 +2173,7 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) err_steering_init: esw_set_passing_vport_metadata(esw, false); err_vport_metadata: + esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA; mlx5_rdma_disable_roce(esw->dev); mutex_destroy(&esw->offloads.termtbl_mutex); return err; @@ -2211,6 +2207,7 @@ void esw_offloads_disable(struct mlx5_eswitch *esw) esw_offloads_unload_rep(esw, MLX5_VPORT_UPLINK); esw_set_passing_vport_metadata(esw, false); esw_offloads_steering_cleanup(esw); + esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA; mlx5_rdma_disable_roce(esw->dev); mutex_destroy(&esw->offloads.termtbl_mutex); esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE; From patchwork Tue Sep 15 20:25:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364678 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=jjgDLvZb; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrckD35Hgz9sT6 for ; Wed, 16 Sep 2020 08:05:56 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727976AbgIOWFz (ORCPT ); Tue, 15 Sep 2020 18:05:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:54390 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727788AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5114F21D91; Tue, 15 Sep 2020 20:25:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201559; bh=Otn5AXqU7jSSGF4Kp7jdoMkKIFC8yC7olVrEaqpjakU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jjgDLvZbJwFFNo9P9d43IHhM9Ajy1aoRH6yBrDJN6UgWezxv8Ft338VPjd0o+t+fN jCKC/wwJM4Ohv/IZjwIVn6AtOooWZEEUV7UCDbLdt5hAH3yhoNKQKYcSGgENeWgzvG gKSI0b5+mzde/g00OtlqrTa6nU+YYo0+Yr88wLMg= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Vu Pham , Mark Bloch , Saeed Mahameed Subject: [net-next 11/16] net/mlx5: E-Switch, Dedicated metadata for uplink vport Date: Tue, 15 Sep 2020 13:25:28 -0700 Message-Id: <20200915202533.64389-12-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vu Pham Uplink vport must have a dedicated metadata with vhca_id being part of the metadata. Fixes: 133dcfc577ea ("net/mlx5: E-Switch, Alloc and free unique metadata for match") Signed-off-by: Vu Pham Reviewed-by: Mark Bloch Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 4cbadb15297c..9c740ce73085 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1908,9 +1908,6 @@ void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata) static int esw_offloads_vport_metadata_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport) { - if (vport->vport == MLX5_VPORT_UPLINK) - return 0; - vport->default_metadata = mlx5_esw_match_metadata_alloc(esw); vport->metadata = vport->default_metadata; return vport->metadata ? 0 : -ENOSPC; @@ -1919,7 +1916,7 @@ static int esw_offloads_vport_metadata_setup(struct mlx5_eswitch *esw, static void esw_offloads_vport_metadata_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport) { - if (vport->vport == MLX5_VPORT_UPLINK || !vport->default_metadata) + if (!vport->default_metadata) return; WARN_ON(vport->metadata != vport->default_metadata); From patchwork Tue Sep 15 20:25:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364674 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=WpSjtKPv; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrcjW0b70z9sT6 for ; Wed, 16 Sep 2020 08:05:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728105AbgIOWFQ (ORCPT ); Tue, 15 Sep 2020 18:05:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:54460 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728024AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BEDCF21D95; Tue, 15 Sep 2020 20:25:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201560; bh=eOIgJ3K5fKzjDwbyfKRxAW5sRKnnAo83yf+Zt09mhK4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WpSjtKPvs1WN4/rXnkdqZM7s9d/eobwQ63cvbGfJsMZefiok+7RwyoCWXGgZxwmVR kBt+oPGvWEboicUndyMl4oet0UUaUBY+ozkgQ6tsI1r4WnVlnD+1enhfpWJq2XYMP8 2cpp3IHLqcB4uEvuIAKPZcrl0d+Xy+e0byTq3z94= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Vu Pham , Bodong Wang , Roi Dayan , Mark Bloch , Saeed Mahameed Subject: [net-next 12/16] net/mlx5: E-Switch, Setup all vports' metadata to support peer miss rule Date: Tue, 15 Sep 2020 13:25:29 -0700 Message-Id: <20200915202533.64389-13-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vu Pham In merged eswitch configuration, peer miss rule is setup for all vports. If metadata is enabled, peer miss rule with metadata matching will be configured instead of source port matching; however, some vports that have not yet been enabled don't have default_metadata setup and their default_metadata will be zero. Hence, setup/cleanup default metadata for all vports when eswitch moves in/out of offloads mode. Fixes: 133dcfc577ea ("net/mlx5: E-Switch, Alloc and free unique metadata for match") Signed-off-by: Vu Pham Reviewed-by: Bodong Wang Reviewed-by: Roi Dayan Reviewed-by: Mark Bloch Signed-off-by: Saeed Mahameed --- .../mellanox/mlx5/core/eswitch_offloads.c | 51 +++++++++++++++---- 1 file changed, 42 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 9c740ce73085..3321bb1f188d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1923,19 +1923,49 @@ static void esw_offloads_vport_metadata_cleanup(struct mlx5_eswitch *esw, mlx5_esw_match_metadata_free(esw, vport->default_metadata); } +static void esw_offloads_metadata_uninit(struct mlx5_eswitch *esw) +{ + struct mlx5_vport *vport; + int i; + + if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) + return; + + mlx5_esw_for_all_vports_reverse(esw, i, vport) + esw_offloads_vport_metadata_cleanup(esw, vport); +} + +static int esw_offloads_metadata_init(struct mlx5_eswitch *esw) +{ + struct mlx5_vport *vport; + int err; + int i; + + if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) + return 0; + + mlx5_esw_for_all_vports(esw, i, vport) { + err = esw_offloads_vport_metadata_setup(esw, vport); + if (err) + goto metadata_err; + } + + return 0; + +metadata_err: + esw_offloads_metadata_uninit(esw); + return err; +} + int esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw, struct mlx5_vport *vport) { int err; - err = esw_offloads_vport_metadata_setup(esw, vport); - if (err) - goto metadata_err; - err = esw_acl_ingress_ofld_setup(esw, vport); if (err) - goto ingress_err; + return err; if (mlx5_eswitch_is_vf_vport(esw, vport->vport)) { err = esw_acl_egress_ofld_setup(esw, vport); @@ -1947,9 +1977,6 @@ esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw, egress_err: esw_acl_ingress_ofld_cleanup(esw, vport); -ingress_err: - esw_offloads_vport_metadata_cleanup(esw, vport); -metadata_err: return err; } @@ -1959,7 +1986,6 @@ esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw, { esw_acl_egress_ofld_cleanup(vport); esw_acl_ingress_ofld_cleanup(esw, vport); - esw_offloads_vport_metadata_cleanup(esw, vport); } static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw) @@ -2138,6 +2164,10 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) if (esw_use_vport_metadata(esw)) esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA; + err = esw_offloads_metadata_init(esw); + if (err) + goto err_metadata; + err = esw_set_passing_vport_metadata(esw, true); if (err) goto err_vport_metadata; @@ -2170,6 +2200,8 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) err_steering_init: esw_set_passing_vport_metadata(esw, false); err_vport_metadata: + esw_offloads_metadata_uninit(esw); +err_metadata: esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA; mlx5_rdma_disable_roce(esw->dev); mutex_destroy(&esw->offloads.termtbl_mutex); @@ -2204,6 +2236,7 @@ void esw_offloads_disable(struct mlx5_eswitch *esw) esw_offloads_unload_rep(esw, MLX5_VPORT_UPLINK); esw_set_passing_vport_metadata(esw, false); esw_offloads_steering_cleanup(esw); + esw_offloads_metadata_uninit(esw); esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA; mlx5_rdma_disable_roce(esw->dev); mutex_destroy(&esw->offloads.termtbl_mutex); From patchwork Tue Sep 15 20:25:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364673 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=SCOrsN+g; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrcjR6sCjz9sTS for ; Wed, 16 Sep 2020 08:05:15 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728073AbgIOWFB (ORCPT ); Tue, 15 Sep 2020 18:05:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:54462 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728025AbgIOU0w (ORCPT ); Tue, 15 Sep 2020 16:26:52 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 524CC21655; Tue, 15 Sep 2020 20:26:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201560; bh=89JICqsZB0T3uyP94O987jhlADuKCu2FuCy71ToRpMc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SCOrsN+gaxrhWjNvWcD1urY/Hq5nTUz7ymv0Yihm2nYvtVdxZVQMwcDT2v9BtN0qj wKg6uOUenQkOfcqqmAlafvd7mkPvccZ8CziUuq2YV/Fk9mDq2CoHTu/XCK+gIGXtZp cMEL98lneASDp0ucavldmPBLxaPtWBUM55d9nsrg= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Vu Pham , Bodong Wang , Roi Dayan , Parav Pandit , Mark Bloch , Oz Shlomo , Saeed Mahameed Subject: [net-next 13/16] net/mlx5: E-Switch, Use vport metadata matching by default Date: Tue, 15 Sep 2020 13:25:30 -0700 Message-Id: <20200915202533.64389-14-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vu Pham Multiple features use metadata matching such as bond vport in live migration, multi-port RoCE mode, stacked devices; hence, enable vport metadata matching by default. Fixes: 1e62e222db2e ("net/mlx5: E-Switch, Use vport metadata matching only when mandatory") Signed-off-by: Vu Pham Reviewed-by: Bodong Wang Reviewed-by: Roi Dayan Reviewed-by: Parav Pandit Reviewed-by: Mark Bloch Reviewed-by: Oz Shlomo Signed-off-by: Saeed Mahameed --- .../mellanox/mlx5/core/eswitch_offloads.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 3321bb1f188d..b23d20e16495 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1864,18 +1864,6 @@ esw_check_vport_match_metadata_supported(const struct mlx5_eswitch *esw) return true; } -static bool -esw_check_vport_match_metadata_mandatory(const struct mlx5_eswitch *esw) -{ - return mlx5_core_mp_enabled(esw->dev); -} - -static bool esw_use_vport_metadata(const struct mlx5_eswitch *esw) -{ - return esw_check_vport_match_metadata_mandatory(esw) && - esw_check_vport_match_metadata_supported(esw); -} - u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw) { u32 num_vports = GENMASK(ESW_VPORT_BITS - 1, 0) - 1; @@ -2159,9 +2147,9 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) err = mlx5_esw_host_number_init(esw); if (err) - goto err_vport_metadata; + goto err_metadata; - if (esw_use_vport_metadata(esw)) + if (esw_check_vport_match_metadata_supported(esw)) esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA; err = esw_offloads_metadata_init(esw); From patchwork Tue Sep 15 20:25:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364658 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=zhQsG1tP; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrbWS4vyWz9sSn for ; Wed, 16 Sep 2020 07:11:32 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728003AbgIOVLR (ORCPT ); Tue, 15 Sep 2020 17:11:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:54384 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728030AbgIOU1n (ORCPT ); Tue, 15 Sep 2020 16:27:43 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E8288221E3; Tue, 15 Sep 2020 20:26:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201561; bh=tmRY6384vWXJWL+5eMhLURimIGeF23La1ZXZtfc6+9Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zhQsG1tPlBC/gf01Zv4pc+VTUvugycYZreiy81LzvBc73TtXCA3vleDimf3fUlhzJ y7r/F+l9MOuEDa1YW+LPH5HVuCfVXmxhQ5XAhixkFebrrT6qZQBWlH3vkGjBtXxuG7 ZT7Cmxv/EbUsbshXkLZ4io0fmqHt39K98TEUHLEE= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Eli Cohen , Roi Dayan , Ariel Levkovich , Maor Dickman , Saeed Mahameed Subject: [net-next 14/16] net/mlx5e: Add support for tc trap Date: Tue, 15 Sep 2020 13:25:31 -0700 Message-Id: <20200915202533.64389-15-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eli Cohen Support tc trap such that packets can explicitly be forwarded to slow path if they match a specific rule. In the example below, we want packets with src IP equals 7.7.7.8 to be forwarded to software, in which case it will get to the appropriate representor net device. $ tc filter add dev eth1 protocol ip prio 1 root flower skip_sw \ src_ip 7.7.7.8 action trap Signed-off-by: Eli Cohen Reviewed-by: Roi Dayan Reviewed-by: Ariel Levkovich Reviewed-by: Maor Dickman Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index fd53d101d8fd..2dded22a64a3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -3943,6 +3943,16 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, action |= MLX5_FLOW_CONTEXT_ACTION_DROP | MLX5_FLOW_CONTEXT_ACTION_COUNT; break; + case FLOW_ACTION_TRAP: + if (!flow_offload_has_one_action(flow_action)) { + NL_SET_ERR_MSG_MOD(extack, + "action trap is supported as a sole action only"); + return -EOPNOTSUPP; + } + action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | + MLX5_FLOW_CONTEXT_ACTION_COUNT); + attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; + break; case FLOW_ACTION_MPLS_PUSH: if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_l2_to_l3_tunnel) || From patchwork Tue Sep 15 20:25:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364646 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=xckbTlai; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrZbh0p2Xz9sTS for ; Wed, 16 Sep 2020 06:30:08 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728043AbgIOU3f (ORCPT ); Tue, 15 Sep 2020 16:29:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:54380 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727964AbgIOU1m (ORCPT ); Tue, 15 Sep 2020 16:27:42 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 81750221E5; Tue, 15 Sep 2020 20:26:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201561; bh=w2b/mGwOanH31s7Lrui5TD2QMtu7FRYiq0hQME9X02Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xckbTlaiMxyAj5jDmI8Rnlh7VmIpLNCgrReJv6L/J2rjngtXeXoBuEGTeEngp/YI8 dZFC1akIWjgedpkfWiNjDhTAqWQMxW2TGtY9BJOp9pptN/4Rub4ZOU3xPTQ0HH2sti M8bXD4pALtIcM2n+gmxrFiGKm1YJAxdUBLhIEK5I= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Maor Dickman , Roi Dayan , Saeed Mahameed Subject: [net-next 15/16] net/mlx5e: Add IPv6 traffic class (DSCP) header rewrite support Date: Tue, 15 Sep 2020 13:25:32 -0700 Message-Id: <20200915202533.64389-16-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Maor Dickman Add support for rewriting of IPV6 DSCP part of traffic class field. Next commands, for example, can be used to offload rewrite action: OVS: $ ovs-ofctl add-flow ovs-sriov "tcpv6, in_port=REP, \ actions=mod_nw_tos:68, output:NIC" iproute2: $ tc filter add dev REP ingress protocol ipv6 prio 1 flower skip_sw \ ip_proto tcp \ action pedit ex munge ip6 traffic_class set 68 retain 0xfc pipe \ action mirred egress redirect dev NIC Signed-off-by: Maor Dickman Reviewed-by: Roi Dayan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 2dded22a64a3..817c503693fc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2615,6 +2615,7 @@ static struct mlx5_fields fields[] = { OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), + OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), From patchwork Tue Sep 15 20:25:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1364657 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=Z8wslCqq; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrbVt1pbXz9sSn for ; Wed, 16 Sep 2020 07:11:02 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726454AbgIOVK6 (ORCPT ); Tue, 15 Sep 2020 17:10:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:54388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728029AbgIOU1n (ORCPT ); Tue, 15 Sep 2020 16:27:43 -0400 Received: from sx1.lan (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EF783221E7; Tue, 15 Sep 2020 20:26:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600201562; bh=fvWSxNm0lJCp/4k9z5U/5ySAw3alA5D82FxUeCeGzw0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z8wslCqqvwvQS+mzIibksMuhpcZtzzx/jB3BUH91yDuU1OJwZy4psovKdgndZvQDN EKvlzsmh1yBRz0CsOaps4NZDkqvYs4K+Gw48VImtalO9LG4GMlfFnoPw9MuA8VR6/7 qnNDC6aMnb6i37o38FGSW7AMMPp+6dn/ruVrG91A= From: saeed@kernel.org To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Ofer Levi , Tariq Toukan , Saeed Mahameed Subject: [net-next 16/16] net/mlx5e: Add CQE compression support for multi-strides packets Date: Tue, 15 Sep 2020 13:25:33 -0700 Message-Id: <20200915202533.64389-17-saeed@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915202533.64389-1-saeed@kernel.org> References: <20200915202533.64389-1-saeed@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ofer Levi Add CQE compression support for completions of packets that span multiple strides in a Striding RQ, per the HW capability. In our memory model, we use small strides (256B as of today) for the non-linear SKB mode. This feature allows CQE compression to work also for multiple strides packets. In this case decompressing the mini CQE array will use stride index provided by HW as part of the mini CQE. Before this feature, compression was possible only for single-strided packets, i.e. for packets of size up to 256 bytes when in non-linear mode, and the index was maintained by SW. This feature is supported for ConnectX-5 and above. Feature performance test: This was whitebox-tested, we reduced the PCI speed from 125Gb/s to 62.5Gb/s to overload pci and manipulated mlx5 driver to drop incoming packets before building the SKB to achieve low cpu utilization. Outcome is low cpu utilization and bottleneck on pci only. Test setup: Server: Intel(R) Xeon(R) Silver 4108 CPU @ 1.80GHz server, 32 cores NIC: ConnectX-6 DX. Sender side generates 300 byte packets at full pci bandwidth. Receiver side configuration: Single channel, one cpu processing with one ring allocated. Cpu utilization is ~20% while pci bandwidth is fully utilized. For the generated traffic and interface MTU of 4500B (to activate the non-linear SKB mode), packet rate improvement is about 19% from ~17.6Mpps to ~21Mpps. Without this feature, counters show no CQE compression blocks for this setup, while with the feature, counters show ~20.7Mpps compressed CQEs in ~500K compression blocks. Signed-off-by: Ofer Levi Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 1 + drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 12 +++++++++++- drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 11 ++++++++++- include/linux/mlx5/device.h | 3 ++- 4 files changed, 24 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 4f33658da25a..95aab8b429cf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -265,6 +265,7 @@ enum { MLX5E_RQ_STATE_NO_CSUM_COMPLETE, MLX5E_RQ_STATE_CSUM_FULL, /* cqe_csum_full hw bit is set */ MLX5E_RQ_STATE_FPGA_TLS, /* FPGA TLS enabled */ + MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX /* set when mini_cqe_resp_stride_index cap is used */ }; struct mlx5e_cq { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 26834625556d..b057a6c3a6d5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -848,6 +848,13 @@ int mlx5e_open_rq(struct mlx5e_channel *c, struct mlx5e_params *params, if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE) || c->xdp) __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); + /* For CQE compression on striding RQ, use stride index provided by + * HW if capability is supported. + */ + if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ) && + MLX5_CAP_GEN(c->mdev, mini_cqe_resp_stride_index)) + __set_bit(MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX, &c->rq.state); + return 0; err_destroy_rq: @@ -2182,6 +2189,7 @@ void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, struct mlx5e_cq_param *param) { struct mlx5_core_dev *mdev = priv->mdev; + bool hw_stridx = false; void *cqc = param->cqc; u8 log_cq_size; @@ -2189,6 +2197,7 @@ void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: log_cq_size = mlx5e_mpwqe_get_log_rq_size(params, xsk) + mlx5e_mpwqe_get_log_num_strides(mdev, params, xsk); + hw_stridx = MLX5_CAP_GEN(mdev, mini_cqe_resp_stride_index); break; default: /* MLX5_WQ_TYPE_CYCLIC */ log_cq_size = params->log_rq_mtu_frames; @@ -2196,7 +2205,8 @@ void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, MLX5_SET(cqc, cqc, log_cq_size, log_cq_size); if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) { - MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_CSUM); + MLX5_SET(cqc, cqc, mini_cqe_res_format, hw_stridx ? + MLX5_CQE_FORMAT_CSUM_STRIDX : MLX5_CQE_FORMAT_CSUM); MLX5_SET(cqc, cqc, cqe_comp_en, 1); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 7aab69e991a5..c9c82b14060a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -137,8 +137,17 @@ static inline void mlx5e_decompress_cqe(struct mlx5e_rq *rq, title->check_sum = mini_cqe->checksum; title->op_own &= 0xf0; title->op_own |= 0x01 & (cqcc >> wq->fbc.log_sz); - title->wqe_counter = cpu_to_be16(cqd->wqe_counter); + /* state bit set implies linked-list striding RQ wq type and + * HW stride index capability supported + */ + if (test_bit(MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX, &rq->state)) { + title->wqe_counter = mini_cqe->stridx; + return; + } + + /* HW stride index capability not supported */ + title->wqe_counter = cpu_to_be16(cqd->wqe_counter); if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) cqd->wqe_counter += mpwrq_get_cqe_consumed_strides(title); else diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 4d3376e20f5e..81ca5989009b 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -816,7 +816,7 @@ struct mlx5_mini_cqe8 { __be32 rx_hash_result; struct { __be16 checksum; - __be16 rsvd; + __be16 stridx; }; struct { __be16 wqe_counter; @@ -836,6 +836,7 @@ enum { enum { MLX5_CQE_FORMAT_CSUM = 0x1, + MLX5_CQE_FORMAT_CSUM_STRIDX = 0x3, }; #define MLX5_MINI_CQE_ARRAY_SIZE 8