From patchwork Thu Jan 25 12:53:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13530762 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 850794F218 for ; Thu, 25 Jan 2024 12:49:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.55.52.93 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706186956; cv=none; b=jE3vWjrDFDfqk0vH5XY4SJ0zXCW87lzHiXLM2i5vFMONXI7RGh1ghc+6Dx1M+ao/LgnH0nPyrRsdyPYYw54N+rua1pNaSOp09mYVZsUC2HHUU2A4qLnfuxN5tlJ8BubOY8xGDAQjt2xYwsjL6DKZ9oDzPywmTwk68AYEsUdZXe8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706186956; c=relaxed/simple; bh=Y3mKbWe5Ja4zuaLAeR5o+tou2lig1vky9SwusxY6/oQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DC/Sn6BgOvSfcqVkB6Q22b5F50CsICCBGCqY8dxNlkUQCHRLLGK2Q+iY876eE+1tl58TLbc4eSOx33LEHw07FTcJ6lhwYMb+yT2jbIeMqvwXnFUpTIUsLxOGa8ZdnABhpVJQFTILdjKbl3h8JbAW/nIsy+mefOM8zeCC6CL7Bfw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=S3bdszVy; arc=none smtp.client-ip=192.55.52.93 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="S3bdszVy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706186954; x=1737722954; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Y3mKbWe5Ja4zuaLAeR5o+tou2lig1vky9SwusxY6/oQ=; b=S3bdszVypI258IEJ6nwGRcJ1GHRveJm4jWWKTdfgNc9EC0yXuSKROg7Z Z56k96+OkuMhVJTCAPBWv1Zfiij4Y/kPNdGC+HugOEz5Yzfc0+efoNP2X Wy9DRYEi4w5fq8Ad3LD7AUVyVadvWGr4qY95thGfIqtBeqXAgZ5AdI1iJ tSTjgpp/kNP1HlhVmZNZDjS7ojvcGCyvkMCi9rae/24s2ZJ83FcSKwIju RRlf/75pjvmMz0VoFYsFX6J+JyY41dxVogbtU3Iv16B4Fj5SjJDM8hvFE fTe6aPzI8NxsupA1MUrep5h80ghaPuTikrxvPuVr4E6rT1Mq6quAboMx0 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="399313526" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="399313526" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2024 04:49:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="905956653" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="905956653" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by fmsmga002.fm.intel.com with ESMTP; 25 Jan 2024 04:49:12 -0800 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, marcin.szycik@intel.com, wojciech.drewek@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, Michal Swiatkowski , Marcin Szycik Subject: [iwl-next v1 2/8] ice: do Tx through PF netdev in slow-path Date: Thu, 25 Jan 2024 13:53:08 +0100 Message-ID: <20240125125314.852914-3-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240125125314.852914-1-michal.swiatkowski@linux.intel.com> References: <20240125125314.852914-1-michal.swiatkowski@linux.intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Tx can be done using PF netdev. Checks before Tx are unnecessary. Checking if switchdev mode is set seems too defensive (there is no PR netdev in legacy mode). If corresponding VF is disabled or during reset, PR netdev also should be down. Reviewed-by: Marcin Szycik Signed-off-by: Michal Swiatkowski --- drivers/net/ethernet/intel/ice/ice_eswitch.c | 26 +++++--------------- drivers/net/ethernet/intel/ice/ice_repr.c | 12 --------- drivers/net/ethernet/intel/ice/ice_repr.h | 2 -- 3 files changed, 6 insertions(+), 34 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c index 2e999f801c0a..8ad271534d80 100644 --- a/drivers/net/ethernet/intel/ice/ice_eswitch.c +++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c @@ -236,7 +236,7 @@ ice_eswitch_release_repr(struct ice_pf *pf, struct ice_repr *repr) */ static int ice_eswitch_setup_repr(struct ice_pf *pf, struct ice_repr *repr) { - struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi; + struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi; struct ice_vsi *vsi = repr->src_vsi; struct metadata_dst *dst; @@ -255,12 +255,11 @@ static int ice_eswitch_setup_repr(struct ice_pf *pf, struct ice_repr *repr) netif_napi_add(repr->netdev, &repr->q_vector->napi, ice_napi_poll); - netif_keep_dst(repr->netdev); + netif_keep_dst(uplink_vsi->netdev); dst = repr->dst; dst->u.port_info.port_id = vsi->vsi_num; - dst->u.port_info.lower_dev = repr->netdev; - ice_repr_set_traffic_vsi(repr, ctrl_vsi); + dst->u.port_info.lower_dev = uplink_vsi->netdev; return 0; @@ -318,27 +317,14 @@ void ice_eswitch_update_repr(unsigned long repr_id, struct ice_vsi *vsi) netdev_tx_t ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev) { - struct ice_netdev_priv *np; - struct ice_repr *repr; - struct ice_vsi *vsi; - - np = netdev_priv(netdev); - vsi = np->vsi; - - if (!vsi || !ice_is_switchdev_running(vsi->back)) - return NETDEV_TX_BUSY; - - if (ice_is_reset_in_progress(vsi->back->state) || - test_bit(ICE_VF_DIS, vsi->back->state)) - return NETDEV_TX_BUSY; + struct ice_repr *repr = ice_netdev_to_repr(netdev); - repr = ice_netdev_to_repr(netdev); skb_dst_drop(skb); dst_hold((struct dst_entry *)repr->dst); skb_dst_set(skb, (struct dst_entry *)repr->dst); - skb->queue_mapping = repr->q_id; + skb->dev = repr->dst->u.port_info.lower_dev; - return ice_start_xmit(skb, netdev); + return dev_queue_xmit(skb); } /** diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c index 5f30fb131f74..6191bee6c536 100644 --- a/drivers/net/ethernet/intel/ice/ice_repr.c +++ b/drivers/net/ethernet/intel/ice/ice_repr.c @@ -439,15 +439,3 @@ void ice_repr_stop_tx_queues(struct ice_repr *repr) netif_carrier_off(repr->netdev); netif_tx_stop_all_queues(repr->netdev); } - -/** - * ice_repr_set_traffic_vsi - set traffic VSI for port representor - * @repr: repr on with VSI will be set - * @vsi: pointer to VSI that will be used by port representor to pass traffic - */ -void ice_repr_set_traffic_vsi(struct ice_repr *repr, struct ice_vsi *vsi) -{ - struct ice_netdev_priv *np = netdev_priv(repr->netdev); - - np->vsi = vsi; -} diff --git a/drivers/net/ethernet/intel/ice/ice_repr.h b/drivers/net/ethernet/intel/ice/ice_repr.h index f9aede315716..b107e058d538 100644 --- a/drivers/net/ethernet/intel/ice/ice_repr.h +++ b/drivers/net/ethernet/intel/ice/ice_repr.h @@ -28,8 +28,6 @@ void ice_repr_rem_vf(struct ice_repr *repr); void ice_repr_start_tx_queues(struct ice_repr *repr); void ice_repr_stop_tx_queues(struct ice_repr *repr); -void ice_repr_set_traffic_vsi(struct ice_repr *repr, struct ice_vsi *vsi); - struct ice_repr *ice_netdev_to_repr(struct net_device *netdev); bool ice_is_port_repr_netdev(const struct net_device *netdev);