From patchwork Wed Apr 17 14:20:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13633433 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 3A68B140399 for ; Wed, 17 Apr 2024 14:15:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713363347; cv=none; b=SqyPFLNlG86tVjJMPFPFvQaFIHjAf0eaq/iavdj9GpETrYPdaWQWOhozEOj0ht68N/Aanv5iNEgMQqB7/QBJYTysZR8oVDq2zcacIFaWVVty4/7SixCnmCU2hMb2srtNS8fSRB6XhzPMkSzqLBTlvMz4whyPL+elET4c3KRKVbw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713363347; c=relaxed/simple; bh=dvrwrf5NWb+t7xsukKkrqdRndZXps3O3vclOaiEKKjY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hyAY3o8VST+oIJAKf6Da7wgmxWaSRLyhNNSKmbw1WgJYtQz45dm7fdbijmvIhHfyDV6/M7ucpruXl1inuBrm8C+h+szuwzC2H0fd5YimUT8KA62Ib6tC8K13Dmaqtk8rqVs2bf6m2IfhdlwYqmDqFhs7N/VkqLVy/RRayyOrxdY= 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=gi3VlYJC; arc=none smtp.client-ip=198.175.65.19 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="gi3VlYJC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713363347; x=1744899347; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dvrwrf5NWb+t7xsukKkrqdRndZXps3O3vclOaiEKKjY=; b=gi3VlYJC6PC5ORCK9PtJVDjQ8q4l7HgC02JwMjD/lFn0n55VX1kdwcLa rMdSXbdbL6UPBKTvckMHK4k8jIAw0E9lWTpDzEBEMGYCebDDzU4wjTYKG uk47IMAeGpx/c0LCGRm4VB59MUOcdG11KB1Ks0QlR5UhrkrXiJrsl9YPV hEAOCSJlv6E5zdL4FQxMNxwmva6YDqeH9wboFXqJMu2nWcJPkkurItYMb qupA6Zmoj+e+D4V0Ac422xndLHVxgq2J+vHEjMyfJrTE37bDcnKs0h/uZ RkCGD1rBjzFFsXOM3cH2Doy705ZJ0t25zR+UuRwZ5e6bipoTXn1E7VvXr A==; X-CSE-ConnectionGUID: UDEGHpOwQI2c/5Cr++PRdA== X-CSE-MsgGUID: 6M72pSJ6QUq4splHeRC4rg== X-IronPort-AV: E=McAfee;i="6600,9927,11046"; a="8737128" X-IronPort-AV: E=Sophos;i="6.07,209,1708416000"; d="scan'208";a="8737128" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2024 07:15:46 -0700 X-CSE-ConnectionGUID: /Nyk7a9dSyWXVs5pNklC2Q== X-CSE-MsgGUID: i/x4GDpPS7OB7kUgEWz+Ng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,209,1708416000"; d="scan'208";a="60050424" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa001.jf.intel.com with ESMTP; 17 Apr 2024 07:15:35 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 1/8] ice: add new VSI type for subfunctions Date: Wed, 17 Apr 2024 16:20:21 +0200 Message-ID: <20240417142028.2171-2-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 From: Piotr Raczynski Add required plumbing for new VSI type dedicated to devlink subfunctions. Make sure that the vsi is properly configured and destroyed. Also allow loading XDP and AF_XDP sockets. The first implementation of devlink subfunctions supports only one Tx/Rx queue pair per given subfunction. Reviewed-by: Przemek Kitszel Reviewed-by: Wojciech Drewek Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- drivers/net/ethernet/intel/ice/ice_base.c | 5 +++- drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 1 + drivers/net/ethernet/intel/ice/ice_lib.c | 25 ++++++++++++++++++-- drivers/net/ethernet/intel/ice/ice_main.c | 7 ++++-- drivers/net/ethernet/intel/ice/ice_type.h | 1 + drivers/net/ethernet/intel/ice/ice_xsk.c | 2 +- 6 files changed, 35 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c index 687f6cb2b917..bf1a085c7087 100644 --- a/drivers/net/ethernet/intel/ice/ice_base.c +++ b/drivers/net/ethernet/intel/ice/ice_base.c @@ -330,6 +330,9 @@ ice_setup_tx_ctx(struct ice_tx_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf->vf_id; tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF; break; + case ICE_VSI_SF: + tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VMQ; + break; default: return; } @@ -526,7 +529,7 @@ static int ice_vsi_cfg_rxq(struct ice_rx_ring *ring) ring->rx_buf_len = ring->vsi->rx_buf_len; - if (ring->vsi->type == ICE_VSI_PF) { + if (ring->vsi->type == ICE_VSI_PF || ring->vsi->type == ICE_VSI_SF) { if (!xdp_rxq_info_is_reg(&ring->xdp_rxq)) { err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev, ring->q_index, diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c index a94e7072b570..a7c510832824 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c @@ -187,6 +187,7 @@ void ice_vsi_set_dcb_tc_cfg(struct ice_vsi *vsi) vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg); break; case ICE_VSI_CHNL: + case ICE_VSI_SF: vsi->tc_cfg.ena_tc = BIT(ice_get_first_droptc(vsi)); vsi->tc_cfg.numtc = 1; break; diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index d06e7c82c433..06909bf3b517 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -20,6 +20,8 @@ const char *ice_vsi_type_str(enum ice_vsi_type vsi_type) return "ICE_VSI_PF"; case ICE_VSI_VF: return "ICE_VSI_VF"; + case ICE_VSI_SF: + return "ICE_VSI_SF"; case ICE_VSI_CTRL: return "ICE_VSI_CTRL"; case ICE_VSI_CHNL: @@ -141,6 +143,7 @@ static void ice_vsi_set_num_desc(struct ice_vsi *vsi) { switch (vsi->type) { case ICE_VSI_PF: + case ICE_VSI_SF: case ICE_VSI_CTRL: case ICE_VSI_LB: /* a user could change the values of num_[tr]x_desc using @@ -207,6 +210,12 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi) max_t(int, vsi->alloc_rxq, vsi->alloc_txq)); break; + case ICE_VSI_SF: + vsi->alloc_txq = 1; + vsi->alloc_rxq = 1; + vsi->num_q_vectors = 1; + vsi->irq_dyn_alloc = true; + break; case ICE_VSI_VF: if (vf->num_req_qs) vf->num_vf_qs = vf->num_req_qs; @@ -566,6 +575,7 @@ ice_vsi_alloc_def(struct ice_vsi *vsi, struct ice_channel *ch) switch (vsi->type) { case ICE_VSI_PF: + case ICE_VSI_SF: /* Setup default MSIX irq handler for VSI */ vsi->irq_handler = ice_msix_clean_rings; break; @@ -894,6 +904,11 @@ static void ice_vsi_set_rss_params(struct ice_vsi *vsi) max_rss_size); vsi->rss_lut_type = ICE_LUT_PF; break; + case ICE_VSI_SF: + vsi->rss_table_size = ICE_LUT_VSI_SIZE; + vsi->rss_size = min_t(u16, num_online_cpus(), max_rss_size); + vsi->rss_lut_type = ICE_LUT_VSI; + break; case ICE_VSI_VF: /* VF VSI will get a small RSS table. * For VSI_LUT, LUT size should be set to 64 bytes. @@ -1141,6 +1156,7 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; break; case ICE_VSI_VF: + case ICE_VSI_SF: /* VF VSI will gets a small RSS table which is a VSI LUT type */ lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; break; @@ -1219,6 +1235,7 @@ static int ice_vsi_init(struct ice_vsi *vsi, u32 vsi_flags) case ICE_VSI_PF: ctxt->flags = ICE_AQ_VSI_TYPE_PF; break; + case ICE_VSI_SF: case ICE_VSI_CHNL: ctxt->flags = ICE_AQ_VSI_TYPE_VMDQ2; break; @@ -2100,6 +2117,7 @@ static void ice_set_agg_vsi(struct ice_vsi *vsi) case ICE_VSI_CHNL: case ICE_VSI_LB: case ICE_VSI_PF: + case ICE_VSI_SF: max_agg_nodes = ICE_MAX_PF_AGG_NODES; agg_node_id_start = ICE_PF_AGG_NODE_ID_START; agg_node_iter = &pf->pf_agg_node[0]; @@ -2271,6 +2289,7 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params) switch (vsi->type) { case ICE_VSI_CTRL: + case ICE_VSI_SF: case ICE_VSI_PF: ret = ice_vsi_alloc_q_vectors(vsi); if (ret) @@ -2662,7 +2681,8 @@ int ice_ena_vsi(struct ice_vsi *vsi, bool locked) clear_bit(ICE_VSI_NEEDS_RESTART, vsi->state); - if (vsi->netdev && vsi->type == ICE_VSI_PF) { + if (vsi->netdev && (vsi->type == ICE_VSI_PF || + vsi->type == ICE_VSI_SF)) { if (netif_running(vsi->netdev)) { if (!locked) rtnl_lock(); @@ -2691,7 +2711,8 @@ void ice_dis_vsi(struct ice_vsi *vsi, bool locked) set_bit(ICE_VSI_NEEDS_RESTART, vsi->state); - if (vsi->type == ICE_VSI_PF && vsi->netdev) { + if (vsi->netdev && (vsi->type == ICE_VSI_PF || + vsi->type == ICE_VSI_SF)) { if (netif_running(vsi->netdev)) { if (!locked) rtnl_lock(); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 9d3f6683339e..8a4d9029434f 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -2946,6 +2946,9 @@ int ice_vsi_determine_xdp_res(struct ice_vsi *vsi) if (avail < cpus / 2) return -ENOMEM; + if (vsi->type == ICE_VSI_SF) + avail = vsi->alloc_txq; + vsi->num_xdp_txq = min_t(u16, avail, cpus); if (vsi->num_xdp_txq < cpus) @@ -3061,8 +3064,8 @@ static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp) struct ice_netdev_priv *np = netdev_priv(dev); struct ice_vsi *vsi = np->vsi; - if (vsi->type != ICE_VSI_PF) { - NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF VSI"); + if (vsi->type != ICE_VSI_PF && vsi->type != ICE_VSI_SF) { + NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF or SF VSI"); return -EINVAL; } diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h index f0796a93f428..cdb923c1664a 100644 --- a/drivers/net/ethernet/intel/ice/ice_type.h +++ b/drivers/net/ethernet/intel/ice/ice_type.h @@ -150,6 +150,7 @@ enum ice_vsi_type { ICE_VSI_CTRL = 3, /* equates to ICE_VSI_PF with 1 queue pair */ ICE_VSI_CHNL = 4, ICE_VSI_LB = 6, + ICE_VSI_SF = 9, }; struct ice_link_status { diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c index aa81d1162b81..64f4927efa29 100644 --- a/drivers/net/ethernet/intel/ice/ice_xsk.c +++ b/drivers/net/ethernet/intel/ice/ice_xsk.c @@ -288,7 +288,7 @@ ice_xsk_pool_enable(struct ice_vsi *vsi, struct xsk_buff_pool *pool, u16 qid) { int err; 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d="scan'208";a="60050445" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa001.jf.intel.com with ESMTP; 17 Apr 2024 07:15:39 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 2/8] ice: export ice ndo_ops functions Date: Wed, 17 Apr 2024 16:20:22 +0200 Message-ID: <20240417142028.2171-3-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 From: Piotr Raczynski Make some of the netdevice_ops functions visible from outside for another VSI type created netdev. Reviewed-by: Przemek Kitszel Reviewed-by: Wojciech Drewek Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- drivers/net/ethernet/intel/ice/ice.h | 8 +++++ drivers/net/ethernet/intel/ice/ice_lib.c | 22 ++++++++++++++ drivers/net/ethernet/intel/ice/ice_lib.h | 1 + drivers/net/ethernet/intel/ice/ice_main.c | 37 ++++------------------- 4 files changed, 37 insertions(+), 31 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 67a3236ab1fc..5f7757a44b72 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -982,6 +982,14 @@ void ice_unload(struct ice_pf *pf); void ice_adv_lnk_speed_maps_init(void); int ice_init_dev(struct ice_pf *pf); void ice_deinit_dev(struct ice_pf *pf); +int ice_change_mtu(struct net_device *netdev, int new_mtu); +void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue); +int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp); +void ice_set_netdev_features(struct net_device *netdev); +int ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid); +int ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid); +void ice_get_stats64(struct net_device *netdev, + struct rtnl_link_stats64 *stats); /** * ice_set_rdma_cap - enable RDMA support diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 06909bf3b517..cff0bb6ba428 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2846,6 +2846,28 @@ void ice_vsi_set_napi_queues(struct ice_vsi *vsi) ice_q_vector_set_napi_queues(vsi->q_vectors[i]); } +/** + * ice_napi_add - register NAPI handler for the VSI + * @vsi: VSI for which NAPI handler is to be registered + * + * This function is only called in the driver's load path. Registering the NAPI + * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume, + * reset/rebuild, etc.) + */ +void ice_napi_add(struct ice_vsi *vsi) +{ + int v_idx; + + if (!vsi->netdev) + return; + + ice_for_each_q_vector(vsi, v_idx) { + netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi, + ice_napi_poll); + __ice_q_vector_set_napi_queues(vsi->q_vectors[v_idx], false); + } +} + /** * ice_vsi_release - Delete a VSI and free its resources * @vsi: the VSI being removed diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h index 9cd23afe5f15..a57213062b7f 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_lib.h @@ -90,6 +90,7 @@ void __ice_q_vector_set_napi_queues(struct ice_q_vector *q_vector, bool locked); void ice_q_vector_set_napi_queues(struct ice_q_vector *q_vector); void ice_vsi_set_napi_queues(struct ice_vsi *vsi); +void ice_napi_add(struct ice_vsi *vsi); int ice_vsi_release(struct ice_vsi *vsi); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 8a4d9029434f..058d2a8836b0 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3059,7 +3059,7 @@ static int ice_xdp_safe_mode(struct net_device __always_unused *dev, * @dev: netdevice * @xdp: XDP command */ -static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp) +int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp) { struct ice_netdev_priv *np = netdev_priv(dev); struct ice_vsi *vsi = np->vsi; @@ -3518,28 +3518,6 @@ static int ice_req_irq_msix_misc(struct ice_pf *pf) return 0; } -/** - * ice_napi_add - register NAPI handler for the VSI - * @vsi: VSI for which NAPI handler is to be registered - * - * This function is only called in the driver's load path. Registering the NAPI - * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume, - * reset/rebuild, etc.) - */ -static void ice_napi_add(struct ice_vsi *vsi) -{ - int v_idx; - - if (!vsi->netdev) - return; - - ice_for_each_q_vector(vsi, v_idx) { - netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi, - ice_napi_poll); - __ice_q_vector_set_napi_queues(vsi->q_vectors[v_idx], false); - } -} - /** * ice_set_ops - set netdev and ethtools ops for the given netdev * @vsi: the VSI associated with the new netdev @@ -3573,7 +3551,7 @@ static void ice_set_ops(struct ice_vsi *vsi) * ice_set_netdev_features - set features for the given netdev * @netdev: netdev instance */ -static void ice_set_netdev_features(struct net_device *netdev) +void ice_set_netdev_features(struct net_device *netdev) { struct ice_pf *pf = ice_netdev_to_pf(netdev); bool is_dvm_ena = ice_is_dvm_ena(&pf->hw); @@ -3755,8 +3733,7 @@ ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) * * net_device_ops implementation for adding VLAN IDs */ -static int -ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid) +int ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi_vlan_ops *vlan_ops; @@ -3818,8 +3795,7 @@ ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid) * * net_device_ops implementation for removing VLAN IDs */ -static int -ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid) +int ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi_vlan_ops *vlan_ops; @@ -7052,7 +7028,6 @@ void ice_update_pf_stats(struct ice_pf *pf) * @netdev: network interface device structure * @stats: main device statistics structure */ -static void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) { struct ice_netdev_priv *np = netdev_priv(netdev); @@ -7725,7 +7700,7 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type) * * Returns 0 on success, negative on failure */ -static int ice_change_mtu(struct net_device *netdev, int new_mtu) +int ice_change_mtu(struct net_device *netdev, int new_mtu) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; @@ -8149,7 +8124,7 @@ ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, * @netdev: network interface device structure * @txqueue: Tx queue */ -static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue) +void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_tx_ring *tx_ring = NULL; From patchwork Wed Apr 17 14:20:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13633436 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 F3DFD140362 for ; Wed, 17 Apr 2024 14:15:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal: i=1; 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17 Apr 2024 07:15:53 -0700 X-CSE-ConnectionGUID: BkuJGIpcRp+Uw9dNc4nIgw== X-CSE-MsgGUID: em/0PhVxShCySpZIE6552g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,209,1708416000"; d="scan'208";a="60050449" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa001.jf.intel.com with ESMTP; 17 Apr 2024 07:15:42 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 3/8] ice: add basic devlink subfunctions support Date: Wed, 17 Apr 2024 16:20:23 +0200 Message-ID: <20240417142028.2171-4-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 From: Piotr Raczynski Implement devlink port handlers responsible for ethernet type devlink subfunctions. Create subfunction devlink port and setup all resources needed for a subfunction netdev to operate. Configure new VSI for each new subfunction, initialize and configure interrupts and Tx/Rx resources. Set correct MAC filters and create new netdev. For now, subfunction is limited to only one Tx/Rx queue pair. Only allocate new subfunction VSI with devlink port new command. This makes sure that real resources are configured only when a new subfunction gets activated. Allocate and free subfunction MSIX interrupt vectors using new API calls with pci_msix_alloc_irq_at and pci_msix_free_irq. Support both automatic and manual subfunction numbers. If no subfunction number is provided, use xa_alloc to pick a number automatically. This will find the first free index and use that as the number. This reduces burden on users in the simple case where a specific number is not required. It may also be slightly faster to check that a number exists since xarray lookup should be faster than a linear scan of the dyn_ports xarray. Reviewed-by: Wojciech Drewek Co-developed-by: Jacob Keller Signed-off-by: Jacob Keller Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- .../net/ethernet/intel/ice/devlink/devlink.c | 3 + .../ethernet/intel/ice/devlink/devlink_port.c | 347 ++++++++++++++++++ .../ethernet/intel/ice/devlink/devlink_port.h | 30 ++ drivers/net/ethernet/intel/ice/ice.h | 4 + drivers/net/ethernet/intel/ice/ice_lib.c | 5 +- drivers/net/ethernet/intel/ice/ice_lib.h | 2 + drivers/net/ethernet/intel/ice/ice_main.c | 9 +- 7 files changed, 397 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index b179eaccc774..661af04c8eef 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -6,6 +6,7 @@ #include "ice.h" #include "ice_lib.h" #include "devlink.h" +#include "devlink_port.h" #include "ice_eswitch.h" #include "ice_fw_update.h" #include "ice_dcb_lib.h" @@ -1281,6 +1282,8 @@ static const struct devlink_ops ice_devlink_ops = { .rate_leaf_parent_set = ice_devlink_set_parent, .rate_node_parent_set = ice_devlink_set_parent, + + .port_new = ice_devlink_port_new, }; static int diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c index 13e6790d3cae..d80637f945b6 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c @@ -5,6 +5,9 @@ #include "ice.h" #include "devlink.h" +#include "devlink_port.h" +#include "ice_lib.h" +#include "ice_fltr.h" static int ice_active_port_option = -1; @@ -428,3 +431,347 @@ void ice_devlink_destroy_vf_port(struct ice_vf *vf) devl_rate_leaf_destroy(&vf->devlink_port); devlink_port_unregister(&vf->devlink_port); } + +/** + * ice_dealloc_dynamic_port - Deallocate and remove a dynamic port + * @dyn_port: dynamic port instance to deallocate + * + * Free resources associated with a dynamically added devlink port. Will + * deactivate the port if its currently active. + */ +static void ice_dealloc_dynamic_port(struct ice_dynamic_port *dyn_port) +{ + struct devlink_port *devlink_port = &dyn_port->devlink_port; + struct ice_pf *pf = dyn_port->pf; + + xa_erase(&pf->sf_nums, devlink_port->attrs.pci_sf.sf); + devl_port_unregister(devlink_port); + ice_vsi_free(dyn_port->vsi); + xa_erase(&pf->dyn_ports, dyn_port->vsi->idx); + kfree(dyn_port); +} + +/** + * ice_dealloc_all_dynamic_ports - Deallocate all dynamic devlink ports + * @pf: pointer to the pf structure + */ +void ice_dealloc_all_dynamic_ports(struct ice_pf *pf) +{ + struct ice_dynamic_port *dyn_port; + unsigned long index; + + xa_for_each(&pf->dyn_ports, index, dyn_port) + ice_dealloc_dynamic_port(dyn_port); +} + +/** + * ice_devlink_port_new_check_attr - Check that new port attributes are valid + * @pf: pointer to the PF structure + * @new_attr: the attributes for the new port + * @extack: extack for reporting error messages + * + * Check that the attributes for the new port are valid before continuing to + * allocate the devlink port. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_devlink_port_new_check_attr(struct ice_pf *pf, + const struct devlink_port_new_attrs *new_attr, + struct netlink_ext_ack *extack) +{ + if (new_attr->flavour != DEVLINK_PORT_FLAVOUR_PCI_SF) { + NL_SET_ERR_MSG_MOD(extack, "Flavour other than pcisf is not supported"); + return -EOPNOTSUPP; + } + + if (new_attr->controller_valid) { + NL_SET_ERR_MSG_MOD(extack, "Setting controller is not supported"); + return -EOPNOTSUPP; + } + + if (new_attr->port_index_valid) { + NL_SET_ERR_MSG_MOD(extack, "Port index is invalid"); + return -EOPNOTSUPP; + } + + if (new_attr->pfnum != pf->hw.bus.func) { + NL_SET_ERR_MSG_MOD(extack, "Incorrect pfnum supplied"); + return -EINVAL; + } + + if (!pci_msix_can_alloc_dyn(pf->pdev)) { + NL_SET_ERR_MSG_MOD(extack, "Dynamic MSIX-X interrupt allocation is not supported"); + return -EOPNOTSUPP; + } + + return 0; +} + +/** + * ice_devlink_port_del - devlink handler for port delete + * @devlink: pointer to devlink + * @port: devlink port to be deleted + * @extack: pointer to extack + * + * Deletes devlink port and deallocates all resources associated with + * created subfunction. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_devlink_port_del(struct devlink *devlink, struct devlink_port *port, + struct netlink_ext_ack *extack) +{ + struct ice_dynamic_port *dyn_port; + + dyn_port = ice_devlink_port_to_dyn(port); + ice_dealloc_dynamic_port(dyn_port); + + return 0; +} + +/** + * ice_devlink_port_fn_hw_addr_set - devlink handler for mac address set + * @port: pointer to devlink port + * @hw_addr: hw address to set + * @hw_addr_len: hw address length + * @extack: extack for reporting error messages + * + * Sets mac address for the port, verifies arguments and copies address + * to the subfunction structure. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_devlink_port_fn_hw_addr_set(struct devlink_port *port, const u8 *hw_addr, + int hw_addr_len, + struct netlink_ext_ack *extack) +{ + struct ice_dynamic_port *dyn_port; + + dyn_port = ice_devlink_port_to_dyn(port); + + if (hw_addr_len != ETH_ALEN || !is_valid_ether_addr(hw_addr)) { + NL_SET_ERR_MSG_MOD(extack, "Invalid ethernet address"); + return -EADDRNOTAVAIL; + } + + ether_addr_copy(dyn_port->hw_addr, hw_addr); + + return 0; +} + +/** + * ice_devlink_port_fn_hw_addr_get - devlink handler for mac address get + * @port: pointer to devlink port + * @hw_addr: hw address to set + * @hw_addr_len: hw address length + * @extack: extack for reporting error messages + * + * Returns mac address for the port. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_devlink_port_fn_hw_addr_get(struct devlink_port *port, u8 *hw_addr, + int *hw_addr_len, + struct netlink_ext_ack *extack) +{ + struct ice_dynamic_port *dyn_port; + + dyn_port = ice_devlink_port_to_dyn(port); + + ether_addr_copy(hw_addr, dyn_port->hw_addr); + *hw_addr_len = ETH_ALEN; + + return 0; +} + +static const struct devlink_port_ops ice_devlink_port_sf_ops = { + .port_del = ice_devlink_port_del, + .port_fn_hw_addr_get = ice_devlink_port_fn_hw_addr_get, + .port_fn_hw_addr_set = ice_devlink_port_fn_hw_addr_set, +}; + +/** + * ice_reserve_sf_num - Reserve a subfunction number for this port + * @pf: pointer to the pf structure + * @new_attr: devlink port attributes requested + * @extack: extack for reporting error messages + * @sfnum: on success, the sf number reserved + * + * Reserve a subfunction number for this port. Only called for + * DEVLINK_PORT_FLAVOUR_PCI_SF ports. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_reserve_sf_num(struct ice_pf *pf, + const struct devlink_port_new_attrs *new_attr, + struct netlink_ext_ack *extack, u32 *sfnum) +{ + int err; + + /* If user didn't request an explicit number, pick one */ + if (!new_attr->sfnum_valid) + return xa_alloc(&pf->sf_nums, sfnum, NULL, xa_limit_32b, + GFP_KERNEL); + + /* Otherwise, check and use the number provided */ + err = xa_insert(&pf->sf_nums, new_attr->sfnum, NULL, GFP_KERNEL); + if (err) { + if (err == -EBUSY) + NL_SET_ERR_MSG_MOD(extack, "Subfunction with given sfnum already exists"); + return err; + } + + *sfnum = new_attr->sfnum; + + return 0; +} + +/** + * ice_devlink_create_sf_port - Register PCI subfunction devlink port + * @dyn_port: the dynamic port instance structure for this subfunction + * @sfnum: the subfunction number to use for the port + * + * Register PCI subfunction flavour devlink port for a dynamically added + * subfunction port. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_devlink_create_sf_port(struct ice_dynamic_port *dyn_port, u32 sfnum) +{ + struct devlink_port_attrs attrs = {}; + struct devlink_port *devlink_port; + struct devlink *devlink; + struct ice_vsi *vsi; + struct device *dev; + struct ice_pf *pf; + int err; + + vsi = dyn_port->vsi; + pf = dyn_port->pf; + dev = ice_pf_to_dev(pf); + + devlink_port = &dyn_port->devlink_port; + + attrs.flavour = DEVLINK_PORT_FLAVOUR_PCI_SF; + attrs.pci_sf.pf = pf->hw.bus.func; + attrs.pci_sf.sf = sfnum; + + devlink_port_attrs_set(devlink_port, &attrs); + devlink = priv_to_devlink(pf); + + err = devl_port_register_with_ops(devlink, devlink_port, vsi->idx, + &ice_devlink_port_sf_ops); + if (err) { + dev_err(dev, "Failed to create devlink port for Subfunction %d", + vsi->idx); + return err; + } + + return 0; +} + +/** + * ice_alloc_dynamic_port - Allocate new dynamic port + * @pf: pointer to the pf structure + * @new_attr: devlink port attributes requested + * @extack: extack for reporting error messages + * @devlink_port: index of newly created devlink port + * + * Allocate a new dynamic port instance and prepare it for configuration + * with devlink. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_alloc_dynamic_port(struct ice_pf *pf, + const struct devlink_port_new_attrs *new_attr, + struct netlink_ext_ack *extack, + struct devlink_port **devlink_port) +{ + struct ice_dynamic_port *dyn_port; + struct ice_vsi *vsi; + u32 sfnum; + int err; + + err = ice_reserve_sf_num(pf, new_attr, extack, &sfnum); + if (err) + return err; + + dyn_port = kzalloc(sizeof(*dyn_port), GFP_KERNEL); + if (!dyn_port) { + err = -ENOMEM; + goto unroll_reserve_sf_num; + } + + vsi = ice_vsi_alloc(pf); + if (!vsi) { + NL_SET_ERR_MSG_MOD(extack, "Unable to allocate VSI"); + err = -ENOMEM; + goto unroll_dyn_port_alloc; + } + + dyn_port->vsi = vsi; + dyn_port->pf = pf; + eth_random_addr(dyn_port->hw_addr); + + err = xa_insert(&pf->dyn_ports, vsi->idx, dyn_port, GFP_KERNEL); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Port index reservation failed"); + goto unroll_vsi_alloc; + } + + err = ice_devlink_create_sf_port(dyn_port, sfnum); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Port registration failed"); + goto unroll_xa_insert; + } + + *devlink_port = &dyn_port->devlink_port; + + return 0; + +unroll_xa_insert: + xa_erase(&pf->dyn_ports, vsi->idx); +unroll_vsi_alloc: + ice_vsi_free(vsi); +unroll_dyn_port_alloc: + kfree(dyn_port); +unroll_reserve_sf_num: + xa_erase(&pf->sf_nums, sfnum); + + return err; +} + +/** + * ice_devlink_port_new - devlink handler for the new port + * @devlink: pointer to devlink + * @new_attr: pointer to the port new attributes + * @extack: extack for reporting error messages + * @devlink_port: pointer to a new port + * + * Creates new devlink port, checks new port attributes and reject + * any unsupported parameters, allocates new subfunction for that port. + * + * Return: zero on success or an error code on failure. + */ +int +ice_devlink_port_new(struct devlink *devlink, + const struct devlink_port_new_attrs *new_attr, + struct netlink_ext_ack *extack, + struct devlink_port **devlink_port) +{ + struct ice_pf *pf = devlink_priv(devlink); + int err; + + err = ice_devlink_port_new_check_attr(pf, new_attr, extack); + if (err) + return err; + + return ice_alloc_dynamic_port(pf, new_attr, extack, devlink_port); +} diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h index 9223bcdb6444..196db6806019 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h @@ -4,9 +4,39 @@ #ifndef _DEVLINK_PORT_H_ #define _DEVLINK_PORT_H_ +#include "../ice.h" + +/** + * struct ice_dynamic_port - Track dynamically added devlink port instance + * @hw_addr: the HW address for this port + * @active: true if the port has been activated + * @devlink_port: the associated devlink port structure + * @pf: pointer to the PF private structure + * @vsi: the VSI associated with this port + * + * An instance of a dynamically added devlink port. Each port flavour + */ +struct ice_dynamic_port { + u8 hw_addr[ETH_ALEN]; + u8 active: 1; + struct devlink_port devlink_port; + struct ice_pf *pf; + struct ice_vsi *vsi; +}; + +void ice_dealloc_all_dynamic_ports(struct ice_pf *pf); + int ice_devlink_create_pf_port(struct ice_pf *pf); void ice_devlink_destroy_pf_port(struct ice_pf *pf); int ice_devlink_create_vf_port(struct ice_vf *vf); void ice_devlink_destroy_vf_port(struct ice_vf *vf); +#define ice_devlink_port_to_dyn(p) \ + container_of(port, struct ice_dynamic_port, devlink_port) + +int +ice_devlink_port_new(struct devlink *devlink, + const struct devlink_port_new_attrs *new_attr, + struct netlink_ext_ack *extack, + struct devlink_port **devlink_port); #endif /* _DEVLINK_PORT_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 5f7757a44b72..edc93d14464c 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -649,6 +649,9 @@ struct ice_pf { struct ice_eswitch eswitch; struct ice_esw_br_port *br_port; + struct xarray dyn_ports; + struct xarray sf_nums; + #define ICE_INVALID_AGG_NODE_ID 0 #define ICE_PF_AGG_NODE_ID_START 1 #define ICE_MAX_PF_AGG_NODES 32 @@ -905,6 +908,7 @@ int ice_vsi_open(struct ice_vsi *vsi); void ice_set_ethtool_ops(struct net_device *netdev); void ice_set_ethtool_repr_ops(struct net_device *netdev); void ice_set_ethtool_safe_mode_ops(struct net_device *netdev); +void ice_set_ethtool_sf_ops(struct net_device *netdev); u16 ice_get_avail_txq_count(struct ice_pf *pf); u16 ice_get_avail_rxq_count(struct ice_pf *pf); int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked); diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index cff0bb6ba428..3e5c0651534b 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -7,6 +7,7 @@ #include "ice_lib.h" #include "ice_fltr.h" #include "ice_dcb_lib.h" +#include "ice_type.h" #include "ice_vsi_vlan_ops.h" /** @@ -440,7 +441,7 @@ static int ice_vsi_alloc_ring_stats(struct ice_vsi *vsi) * This deallocates the VSI's queue resources, removes it from the PF's * VSI array if necessary, and deallocates the VSI */ -static void ice_vsi_free(struct ice_vsi *vsi) +void ice_vsi_free(struct ice_vsi *vsi) { struct ice_pf *pf = NULL; struct device *dev; @@ -612,7 +613,7 @@ ice_vsi_alloc_def(struct ice_vsi *vsi, struct ice_channel *ch) * * returns a pointer to a VSI on success, NULL on failure. */ -static struct ice_vsi *ice_vsi_alloc(struct ice_pf *pf) +struct ice_vsi *ice_vsi_alloc(struct ice_pf *pf) { struct device *dev = ice_pf_to_dev(pf); struct ice_vsi *vsi = NULL; diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h index a57213062b7f..198cfd1fdca0 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_lib.h @@ -103,6 +103,8 @@ void ice_dis_vsi(struct ice_vsi *vsi, bool locked); int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags); int ice_vsi_cfg(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params); +struct ice_vsi *ice_vsi_alloc(struct ice_pf *pf); +void ice_vsi_free(struct ice_vsi *vsi); bool ice_is_reset_in_progress(unsigned long *state); int ice_wait_for_reset(struct ice_pf *pf, unsigned long timeout); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 058d2a8836b0..9bbb7b328ae9 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3964,6 +3964,9 @@ static void ice_deinit_pf(struct ice_pf *pf) if (pf->ptp.clock) ptp_clock_unregister(pf->ptp.clock); + + xa_destroy(&pf->dyn_ports); + xa_destroy(&pf->sf_nums); } /** @@ -4057,6 +4060,9 @@ static int ice_init_pf(struct ice_pf *pf) hash_init(pf->vfs.table); ice_mbx_init_snapshot(&pf->hw); + xa_init(&pf->dyn_ports); + xa_init(&pf->sf_nums); + return 0; } @@ -5376,6 +5382,7 @@ static void ice_remove(struct pci_dev *pdev) ice_remove_arfs(pf); devl_lock(priv_to_devlink(pf)); + ice_dealloc_all_dynamic_ports(pf); ice_deinit_devlink(pf); ice_unload(pf); @@ -6670,7 +6677,7 @@ static int ice_up_complete(struct ice_vsi *vsi) if (vsi->port_info && (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) && - vsi->netdev && vsi->type == ICE_VSI_PF) { + ((vsi->netdev && vsi->type == ICE_VSI_PF))) { ice_print_link_msg(vsi, true); netif_tx_start_all_queues(vsi->netdev); netif_carrier_on(vsi->netdev); From patchwork Wed Apr 17 14:20:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13633435 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 00DE31411FC for ; 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X-CSE-ConnectionGUID: YbAHm40US4aestMvU+rU4g== X-CSE-MsgGUID: TWWEn51mS26H76wTn39alg== X-IronPort-AV: E=McAfee;i="6600,9927,11046"; a="8737136" X-IronPort-AV: E=Sophos;i="6.07,209,1708416000"; d="scan'208";a="8737136" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2024 07:15:50 -0700 X-CSE-ConnectionGUID: MM4sNz4iReGDtdlKbdCsxQ== X-CSE-MsgGUID: eNDdauv2TXmWVG8ZgRHXVw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,209,1708416000"; d="scan'208";a="60050475" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa001.jf.intel.com with ESMTP; 17 Apr 2024 07:15:46 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 4/8] ice: treat subfunction VSI the same as PF VSI Date: Wed, 17 Apr 2024 16:20:24 +0200 Message-ID: <20240417142028.2171-5-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 When subfunction VSI is open the same code as for PF VSI should be executed. Also when up is complete. Reflect that in code by adding subfunction VSI to consideration. In case of stopping, PF doesn't have additional tasks, so the same is with subfunction VSI. Signed-off-by: Michal Swiatkowski --- drivers/net/ethernet/intel/ice/ice_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 9bbb7b328ae9..29552598ddb6 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -6677,7 +6677,8 @@ static int ice_up_complete(struct ice_vsi *vsi) if (vsi->port_info && (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) && - ((vsi->netdev && vsi->type == ICE_VSI_PF))) { + ((vsi->netdev && vsi->type == ICE_VSI_PF) || + (vsi->netdev && vsi->type == ICE_VSI_SF))) { ice_print_link_msg(vsi, true); netif_tx_start_all_queues(vsi->netdev); netif_carrier_on(vsi->netdev); @@ -7375,7 +7376,7 @@ int ice_vsi_open(struct ice_vsi *vsi) ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc); - if (vsi->type == ICE_VSI_PF) { + if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_SF) { /* Notify the stack of the actual queue counts. */ err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq); 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17 Apr 2024 07:15:49 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 5/8] ice: allocate devlink for subfunction Date: Wed, 17 Apr 2024 16:20:25 +0200 Message-ID: <20240417142028.2171-6-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 From: Piotr Raczynski Make devlink allocation function generic to use it for PF and for SF. Add function for SF devlink port creation. It will be used in next patch. Create header file for subfunction device. Define subfunction device structure there as it is needed for devlink allocation and port creation. Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- .../net/ethernet/intel/ice/devlink/devlink.c | 47 ++++++++++++++--- .../net/ethernet/intel/ice/devlink/devlink.h | 1 + .../ethernet/intel/ice/devlink/devlink_port.c | 50 +++++++++++++++++++ .../ethernet/intel/ice/devlink/devlink_port.h | 3 ++ drivers/net/ethernet/intel/ice/ice_sf_eth.h | 21 ++++++++ 5 files changed, 116 insertions(+), 6 deletions(-) create mode 100644 drivers/net/ethernet/intel/ice/ice_sf_eth.h diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index 661af04c8eef..5a78bf08e731 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -10,6 +10,7 @@ #include "ice_eswitch.h" #include "ice_fw_update.h" #include "ice_dcb_lib.h" +#include "ice_sf_eth.h" /* context for devlink info version reporting */ struct ice_info_ctx { @@ -1286,6 +1287,8 @@ static const struct devlink_ops ice_devlink_ops = { .port_new = ice_devlink_port_new, }; +static const struct devlink_ops ice_sf_devlink_ops; + static int ice_devlink_enable_roce_get(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx) @@ -1417,18 +1420,23 @@ static void ice_devlink_free(void *devlink_ptr) } /** - * ice_allocate_pf - Allocate devlink and return PF structure pointer + * ice_devlink_alloc - Allocate devlink and return devlink priv pointer * @dev: the device to allocate for + * @priv_size: size of the priv memory + * @ops: pointer to devlink ops for this device + * + * Allocate a devlink instance for this device and return the private pointer + * The devlink memory is kept track of through devres by adding an action to + * remove it when unwinding. * - * Allocate a devlink instance for this device and return the private area as - * the PF structure. The devlink memory is kept track of through devres by - * adding an action to remove it when unwinding. + * Return: void pointer to allocated memory */ -struct ice_pf *ice_allocate_pf(struct device *dev) +static void *ice_devlink_alloc(struct device *dev, size_t priv_size, + const struct devlink_ops *ops) { struct devlink *devlink; - devlink = devlink_alloc(&ice_devlink_ops, sizeof(struct ice_pf), dev); + devlink = devlink_alloc(ops, priv_size, dev); if (!devlink) return NULL; @@ -1439,6 +1447,33 @@ struct ice_pf *ice_allocate_pf(struct device *dev) return devlink_priv(devlink); } +/** + * ice_allocate_pf - Allocate devlink and return PF structure pointer + * @dev: the device to allocate for + * + * Allocate a devlink instance for PF. + * + * Return: void pointer to allocated memory + */ +struct ice_pf *ice_allocate_pf(struct device *dev) +{ + return ice_devlink_alloc(dev, sizeof(struct ice_pf), &ice_devlink_ops); +} + +/** + * ice_allocate_sf - Allocate devlink and return SF structure pointer + * @dev: the device to allocate for + * + * Allocate a devlink instance for SF. + * + * Return: void pointer to allocated memory + */ +struct ice_sf_priv *ice_allocate_sf(struct device *dev) +{ + return ice_devlink_alloc(dev, sizeof(struct ice_sf_priv), + &ice_sf_devlink_ops); +} + /** * ice_devlink_register - Register devlink interface for this PF * @pf: the PF to register the devlink for. diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.h b/drivers/net/ethernet/intel/ice/devlink/devlink.h index d291c0e2e17b..1b2a5980d5e8 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.h @@ -5,6 +5,7 @@ #define _ICE_DEVLINK_H_ struct ice_pf *ice_allocate_pf(struct device *dev); +struct ice_sf_priv *ice_allocate_sf(struct device *dev); void ice_devlink_register(struct ice_pf *pf); void ice_devlink_unregister(struct ice_pf *pf); diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c index d80637f945b6..0ab4d687e311 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c @@ -432,6 +432,56 @@ void ice_devlink_destroy_vf_port(struct ice_vf *vf) devlink_port_unregister(&vf->devlink_port); } +/** + * ice_devlink_create_sf_dev_port - Register virtual port for a subfunction + * @sf_dev: the subfunction device to create a devlink port for + * + * Register virtual flavour devlink port for the subfunction auxiliary device + * created after activating a dynamically added devlink port. + * + * Return: zero on success or an error code on failure. + */ +int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev) +{ + struct devlink_port_attrs attrs = {}; + struct devlink_port *devlink_port; + struct ice_dynamic_port *dyn_port; + struct devlink *devlink; + struct ice_vsi *vsi; + struct device *dev; + struct ice_pf *pf; + int err; + + dyn_port = sf_dev->dyn_port; + vsi = dyn_port->vsi; + pf = dyn_port->pf; + dev = ice_pf_to_dev(pf); + + devlink_port = &sf_dev->priv->devlink_port; + + attrs.flavour = DEVLINK_PORT_FLAVOUR_VIRTUAL; + + devlink_port_attrs_set(devlink_port, &attrs); + devlink = priv_to_devlink(sf_dev->priv); + + err = devl_port_register(devlink, devlink_port, vsi->idx); + if (err) + dev_err(dev, "Failed to create virtual devlink port for auxiliary subfunction device"); + + return err; +} + +/** + * ice_devlink_destroy_sf_dev_port - Destroy virtual port for a subfunction + * @sf_dev: the subfunction device to create a devlink port for + * + * Unregisters the virtual port associated with this subfunction. + */ +void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev) +{ + devl_port_unregister(&sf_dev->priv->devlink_port); +} + /** * ice_dealloc_dynamic_port - Deallocate and remove a dynamic port * @dyn_port: dynamic port instance to deallocate diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h index 196db6806019..33f07cec6bd6 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h @@ -5,6 +5,7 @@ #define _DEVLINK_PORT_H_ #include "../ice.h" +#include "ice_sf_eth.h" /** * struct ice_dynamic_port - Track dynamically added devlink port instance @@ -30,6 +31,8 @@ int ice_devlink_create_pf_port(struct ice_pf *pf); void ice_devlink_destroy_pf_port(struct ice_pf *pf); int ice_devlink_create_vf_port(struct ice_vf *vf); void ice_devlink_destroy_vf_port(struct ice_vf *vf); +int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev); +void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev); #define ice_devlink_port_to_dyn(p) \ container_of(port, struct ice_dynamic_port, devlink_port) diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.h b/drivers/net/ethernet/intel/ice/ice_sf_eth.h new file mode 100644 index 000000000000..a08f8b2bceef --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2024, Intel Corporation. */ + +#ifndef _ICE_SF_ETH_H_ +#define _ICE_SF_ETH_H_ + +#include +#include "ice.h" + +struct ice_sf_dev { + struct auxiliary_device adev; + struct ice_dynamic_port *dyn_port; + struct ice_sf_priv *priv; +}; + +struct ice_sf_priv { + struct ice_sf_dev *dev; + struct devlink_port devlink_port; +}; + +#endif /* _ICE_SF_ETH_H_ */ From patchwork Wed Apr 17 14:20:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13633438 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 9593C1411E0 for ; Wed, 17 Apr 2024 14:15:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713363361; cv=none; b=Z0O0r8wIvC4d54zwaplzw0zGk/WFWGh11EHTqABR3JEqbrbK5dBU7ZI7WaJqj4iqQUnhI3MoMdQEhFVPwm6r6BgahkY/ueZk2Lxw8fyLWqakTQAdGe7DricgNftYxpq0O7TN8HAENCzTFEcWwWgbbNdBZf3l2CxQtJxTxRDv2sQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713363361; 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d="scan'208";a="60050486" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa001.jf.intel.com with ESMTP; 17 Apr 2024 07:15:53 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 6/8] ice: base subfunction aux driver Date: Wed, 17 Apr 2024 16:20:26 +0200 Message-ID: <20240417142028.2171-7-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 From: Piotr Raczynski Implement subfunction driver. It is probe when subfunction port is activated. VSI is already created. During the probe VSI is being configured. MAC unicast and broadcast filter is added to allow traffic to pass. Reviewed-by: Jiri Pirko Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- drivers/net/ethernet/intel/ice/Makefile | 1 + drivers/net/ethernet/intel/ice/ice_main.c | 10 ++ drivers/net/ethernet/intel/ice/ice_sf_eth.c | 140 ++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_sf_eth.h | 9 ++ 4 files changed, 160 insertions(+) create mode 100644 drivers/net/ethernet/intel/ice/ice_sf_eth.c diff --git a/drivers/net/ethernet/intel/ice/Makefile b/drivers/net/ethernet/intel/ice/Makefile index 03500e28ac99..4d987f5dcdc1 100644 --- a/drivers/net/ethernet/intel/ice/Makefile +++ b/drivers/net/ethernet/intel/ice/Makefile @@ -31,6 +31,7 @@ ice-y := ice_main.o \ ice_idc.o \ devlink/devlink.o \ devlink/devlink_port.o \ + ice_sf_eth.o \ ice_ddp.o \ ice_fw_update.o \ ice_lag.o \ diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 29552598ddb6..f55e3340b608 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -15,6 +15,7 @@ #include "ice_dcb_nl.h" #include "devlink/devlink.h" #include "devlink/devlink_port.h" +#include "ice_sf_eth.h" #include "ice_hwmon.h" /* Including ice_trace.h with CREATE_TRACE_POINTS defined will generate the * ice tracepoint functions. This must be done exactly once across the @@ -5857,8 +5858,16 @@ static int __init ice_module_init(void) goto err_dest_lag_wq; } + status = ice_sf_driver_register(); + if (status) { + pr_err("Failed to register SF driver, err %d\n", status); + goto err_sf_driver; + } + return 0; +err_sf_driver: + pci_unregister_driver(&ice_driver); err_dest_lag_wq: destroy_workqueue(ice_lag_wq); ice_debugfs_exit(); @@ -5876,6 +5885,7 @@ module_init(ice_module_init); */ static void __exit ice_module_exit(void) { + ice_sf_driver_unregister(); pci_unregister_driver(&ice_driver); ice_debugfs_exit(); destroy_workqueue(ice_wq); diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.c b/drivers/net/ethernet/intel/ice/ice_sf_eth.c new file mode 100644 index 000000000000..6ecc13217544 --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.c @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024, Intel Corporation. */ +#include "ice.h" +#include "ice_lib.h" +#include "ice_fltr.h" +#include "ice_sf_eth.h" +#include "devlink/devlink_port.h" +#include "devlink/devlink.h" + +/** + * ice_sf_dev_probe - subfunction driver probe function + * @adev: pointer to the auxiliary device + * @id: pointer to the auxiliary_device id + * + * Configure VSI and netdev resources for the subfunction device. + * + * Return: zero on success or an error code on failure. + */ +static int ice_sf_dev_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + struct ice_sf_dev *sf_dev = ice_adev_to_sf_dev(adev); + struct ice_dynamic_port *dyn_port = sf_dev->dyn_port; + struct ice_vsi_cfg_params params = {}; + struct ice_vsi *vsi = dyn_port->vsi; + struct ice_pf *pf = dyn_port->pf; + struct device *dev = &adev->dev; + struct ice_sf_priv *priv; + struct devlink *devlink; + int err; + + params.type = ICE_VSI_SF; + params.pi = pf->hw.port_info; + params.flags = ICE_VSI_FLAG_INIT; + + priv = ice_allocate_sf(&adev->dev); + if (!priv) { + dev_err(dev, "Subfunction devlink alloc failed"); + return -ENOMEM; + } + + priv->dev = sf_dev; + sf_dev->priv = priv; + devlink = priv_to_devlink(priv); + + devlink_register(devlink); + devl_lock(devlink); + + err = ice_vsi_cfg(vsi, ¶ms); + if (err) { + dev_err(dev, "Subfunction vsi config failed"); + goto err_devlink_unlock; + } + + err = ice_devlink_create_sf_dev_port(sf_dev); + if (err) { + dev_err(dev, "Cannot add ice virtual devlink port for subfunction"); + goto err_vsi_decfg; + } + + err = ice_fltr_add_mac_and_broadcast(vsi, vsi->netdev->dev_addr, + ICE_FWD_TO_VSI); + if (err) { + dev_err(dev, "can't add MAC filters %pM for VSI %d\n", + vsi->netdev->dev_addr, vsi->idx); + goto err_devlink_destroy; + } + + ice_napi_add(vsi); + devl_unlock(devlink); + + return 0; + +err_devlink_destroy: + ice_devlink_destroy_sf_dev_port(sf_dev); +err_vsi_decfg: + ice_vsi_decfg(vsi); +err_devlink_unlock: + devl_unlock(devlink); + return err; +} + +/** + * ice_sf_dev_remove - subfunction driver remove function + * @adev: pointer to the auxiliary device + * + * Deinitalize VSI and netdev resources for the subfunction device. + */ +static void ice_sf_dev_remove(struct auxiliary_device *adev) +{ + struct ice_sf_dev *sf_dev = ice_adev_to_sf_dev(adev); + struct ice_dynamic_port *dyn_port = sf_dev->dyn_port; + struct ice_vsi *vsi = dyn_port->vsi; + struct devlink *devlink; + + devlink = priv_to_devlink(sf_dev->priv); + devl_lock(devlink); + + ice_vsi_close(vsi); + + ice_devlink_destroy_sf_dev_port(sf_dev); + devl_unregister(devlink); + devl_unlock(devlink); + devlink_free(devlink); + ice_vsi_decfg(vsi); +} + +static const struct auxiliary_device_id ice_sf_dev_id_table[] = { + { .name = "ice.sf", }, + { }, +}; + +MODULE_DEVICE_TABLE(auxiliary, ice_sf_dev_id_table); + +static struct auxiliary_driver ice_sf_driver = { + .name = "sf", + .probe = ice_sf_dev_probe, + .remove = ice_sf_dev_remove, + .id_table = ice_sf_dev_id_table +}; + +/** + * ice_sf_driver_register - Register new auxiliary subfunction driver + * + * Return: zero on success or an error code on failure. + */ +int ice_sf_driver_register(void) +{ + return auxiliary_driver_register(&ice_sf_driver); +} + +/** + * ice_sf_driver_unregister - Unregister new auxiliary subfunction driver + * + * Return: zero on success or an error code on failure. + */ +void ice_sf_driver_unregister(void) +{ + auxiliary_driver_unregister(&ice_sf_driver); +} diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.h b/drivers/net/ethernet/intel/ice/ice_sf_eth.h index a08f8b2bceef..e972c50f96c9 100644 --- a/drivers/net/ethernet/intel/ice/ice_sf_eth.h +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.h @@ -18,4 +18,13 @@ struct ice_sf_priv { struct devlink_port devlink_port; }; +static inline struct +ice_sf_dev *ice_adev_to_sf_dev(struct auxiliary_device *adev) +{ + return container_of(adev, struct ice_sf_dev, adev); +} + +int ice_sf_driver_register(void); +void ice_sf_driver_unregister(void); + #endif /* _ICE_SF_ETH_H_ */ From patchwork Wed Apr 17 14:20:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13633439 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 64EBF1422C6 for ; Wed, 17 Apr 2024 14:16:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713363363; cv=none; b=CqdjqNX05t5ivBVi8RUjo4tLOZBp75XPuGbrnB5P28fykeqakYFQ0COvmikMIsvY6E6v1cEO54iCH8Z4wU8bVY+P4pdMo71utCam4AXSMLypJIbb8oQFZ2A1Oq1nqsB1zqJx0Bo/oMsooqDWBELG2+XKl/8R34ab04OaPvR7T1k= ARC-Message-Signature: i=1; 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d="scan'208";a="60050489" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa001.jf.intel.com with ESMTP; 17 Apr 2024 07:15:56 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 7/8] ice: implement netdev for subfunction Date: Wed, 17 Apr 2024 16:20:27 +0200 Message-ID: <20240417142028.2171-8-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 From: Piotr Raczynski Configure netdevice for subfunction usecase. Mostly it is reusing ops from the PF netdevice. SF netdev is linked to devlink port registered after SF activation. Reviewed-by: Jiri Pirko Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- drivers/net/ethernet/intel/ice/ice_sf_eth.c | 85 ++++++++++++++++++++- 1 file changed, 84 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.c b/drivers/net/ethernet/intel/ice/ice_sf_eth.c index 6ecc13217544..ecef869c20a1 100644 --- a/drivers/net/ethernet/intel/ice/ice_sf_eth.c +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.c @@ -2,11 +2,85 @@ /* Copyright (c) 2024, Intel Corporation. */ #include "ice.h" #include "ice_lib.h" +#include "ice_txrx.h" #include "ice_fltr.h" #include "ice_sf_eth.h" #include "devlink/devlink_port.h" #include "devlink/devlink.h" +static const struct net_device_ops ice_sf_netdev_ops = { + .ndo_open = ice_open, + .ndo_stop = ice_stop, + .ndo_start_xmit = ice_start_xmit, + .ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid, + .ndo_change_mtu = ice_change_mtu, + .ndo_get_stats64 = ice_get_stats64, + .ndo_tx_timeout = ice_tx_timeout, + .ndo_bpf = ice_xdp, + .ndo_xdp_xmit = ice_xdp_xmit, + .ndo_xsk_wakeup = ice_xsk_wakeup, +}; + +/** + * ice_sf_cfg_netdev - Allocate, configure and register a netdev + * @dyn_port: subfunction associated with configured netdev + * @devlink_port: subfunction devlink port to be linked with netdev + * + * Return: 0 on success, negative value on failure + */ +static int ice_sf_cfg_netdev(struct ice_dynamic_port *dyn_port, + struct devlink_port *devlink_port) +{ + struct ice_vsi *vsi = dyn_port->vsi; + struct ice_netdev_priv *np; + struct net_device *netdev; + int err; + + netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq, + vsi->alloc_rxq); + if (!netdev) + return -ENOMEM; + + SET_NETDEV_DEV(netdev, &vsi->back->pdev->dev); + set_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); + vsi->netdev = netdev; + np = netdev_priv(netdev); + np->vsi = vsi; + + ice_set_netdev_features(netdev); + + netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | + NETDEV_XDP_ACT_XSK_ZEROCOPY | + NETDEV_XDP_ACT_RX_SG; + + eth_hw_addr_set(netdev, dyn_port->hw_addr); + ether_addr_copy(netdev->perm_addr, dyn_port->hw_addr); + netdev->netdev_ops = &ice_sf_netdev_ops; + SET_NETDEV_DEVLINK_PORT(netdev, devlink_port); + + err = register_netdev(netdev); + if (err) { + free_netdev(netdev); + vsi->netdev = NULL; + return -ENOMEM; + } + set_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); + netif_carrier_off(netdev); + netif_tx_stop_all_queues(netdev); + + return 0; +} + +static void ice_sf_decfg_netdev(struct ice_vsi *vsi) +{ + unregister_netdev(vsi->netdev); + clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); + free_netdev(vsi->netdev); + vsi->netdev = NULL; + clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); +} + /** * ice_sf_dev_probe - subfunction driver probe function * @adev: pointer to the auxiliary device @@ -58,12 +132,18 @@ static int ice_sf_dev_probe(struct auxiliary_device *adev, goto err_vsi_decfg; } + err = ice_sf_cfg_netdev(dyn_port, &sf_dev->priv->devlink_port); + if (err) { + dev_err(dev, "Subfunction netdev config failed"); + goto err_devlink_destroy; + } + err = ice_fltr_add_mac_and_broadcast(vsi, vsi->netdev->dev_addr, ICE_FWD_TO_VSI); if (err) { dev_err(dev, "can't add MAC filters %pM for VSI %d\n", vsi->netdev->dev_addr, vsi->idx); - goto err_devlink_destroy; + goto err_netdev_decfg; } ice_napi_add(vsi); @@ -71,6 +151,8 @@ static int ice_sf_dev_probe(struct auxiliary_device *adev, return 0; +err_netdev_decfg: + ice_sf_decfg_netdev(vsi); err_devlink_destroy: ice_devlink_destroy_sf_dev_port(sf_dev); err_vsi_decfg: @@ -98,6 +180,7 @@ static void ice_sf_dev_remove(struct auxiliary_device *adev) ice_vsi_close(vsi); + ice_sf_decfg_netdev(vsi); ice_devlink_destroy_sf_dev_port(sf_dev); devl_unregister(devlink); devl_unlock(devlink); From patchwork Wed Apr 17 14:20:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13633440 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 DE6321422CA for ; 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X-CSE-ConnectionGUID: BY/bwaGySs+AwjMvomgyXQ== X-CSE-MsgGUID: /UkTL9OIRwmkZJJWJOExgg== X-IronPort-AV: E=McAfee;i="6600,9927,11046"; a="8737165" X-IronPort-AV: E=Sophos;i="6.07,209,1708416000"; d="scan'208";a="8737165" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2024 07:16:03 -0700 X-CSE-ConnectionGUID: FW0XLdD/Qv+VgZx/UTUW9A== X-CSE-MsgGUID: cdvmNlNWTJuf4vo01CSdvQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,209,1708416000"; d="scan'208";a="60050493" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa001.jf.intel.com with ESMTP; 17 Apr 2024 07:15:59 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com Subject: [iwl-next v4 8/8] ice: allow to activate and deactivate subfunction Date: Wed, 17 Apr 2024 16:20:28 +0200 Message-ID: <20240417142028.2171-9-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240417142028.2171-1-michal.swiatkowski@linux.intel.com> References: <20240417142028.2171-1-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 From: Piotr Raczynski Use previously implemented SF aux driver. It is probe during SF activation and remove after deactivation. Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- .../ethernet/intel/ice/devlink/devlink_port.c | 106 ++++++++++++++++++ .../ethernet/intel/ice/devlink/devlink_port.h | 5 + drivers/net/ethernet/intel/ice/ice_sf_eth.c | 104 +++++++++++++++++ drivers/net/ethernet/intel/ice/ice_sf_eth.h | 3 + 4 files changed, 218 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c index 0ab4d687e311..efff286f9e3e 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c @@ -482,6 +482,42 @@ void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev) devl_port_unregister(&sf_dev->priv->devlink_port); } +/** + * ice_activate_dynamic_port - Activate a dynamic port + * @dyn_port: dynamic port instance to activate + * @extack: extack for reporting error messages + * + * Activate the dynamic port based on its flavour. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_activate_dynamic_port(struct ice_dynamic_port *dyn_port, + struct netlink_ext_ack *extack) +{ + int err; + + err = ice_sf_eth_activate(dyn_port, extack); + if (err) + return err; + + dyn_port->active = true; + + return 0; +} + +/** + * ice_deactivate_dynamic_port - Deactivate a dynamic port + * @dyn_port: dynamic port instance to deactivate + * + * Undo activation of a dynamic port. + */ +static void ice_deactivate_dynamic_port(struct ice_dynamic_port *dyn_port) +{ + ice_sf_eth_deactivate(dyn_port); + dyn_port->active = false; +} + /** * ice_dealloc_dynamic_port - Deallocate and remove a dynamic port * @dyn_port: dynamic port instance to deallocate @@ -494,6 +530,9 @@ static void ice_dealloc_dynamic_port(struct ice_dynamic_port *dyn_port) struct devlink_port *devlink_port = &dyn_port->devlink_port; struct ice_pf *pf = dyn_port->pf; + if (dyn_port->active) + ice_deactivate_dynamic_port(dyn_port); + xa_erase(&pf->sf_nums, devlink_port->attrs.pci_sf.sf); devl_port_unregister(devlink_port); ice_vsi_free(dyn_port->vsi); @@ -638,10 +677,77 @@ ice_devlink_port_fn_hw_addr_get(struct devlink_port *port, u8 *hw_addr, return 0; } +/** + * ice_devlink_port_fn_state_set - devlink handler for port state set + * @port: pointer to devlink port + * @state: state to set + * @extack: extack for reporting error messages + * + * Activates or deactivates the port. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_devlink_port_fn_state_set(struct devlink_port *port, + enum devlink_port_fn_state state, + struct netlink_ext_ack *extack) +{ + struct ice_dynamic_port *dyn_port; + + dyn_port = ice_devlink_port_to_dyn(port); + + switch (state) { + case DEVLINK_PORT_FN_STATE_ACTIVE: + if (!dyn_port->active) + return ice_activate_dynamic_port(dyn_port, extack); + break; + case DEVLINK_PORT_FN_STATE_INACTIVE: + if (dyn_port->active) + ice_deactivate_dynamic_port(dyn_port); + break; + } + + return 0; +} + +/** + * ice_devlink_port_fn_state_get - devlink handler for port state get + * @port: pointer to devlink port + * @state: admin configured state of the port + * @opstate: current port operational state + * @extack: extack for reporting error messages + * + * Gets port state. + * + * Return: zero on success or an error code on failure. + */ +static int +ice_devlink_port_fn_state_get(struct devlink_port *port, + enum devlink_port_fn_state *state, + enum devlink_port_fn_opstate *opstate, + struct netlink_ext_ack *extack) +{ + struct ice_dynamic_port *dyn_port; + + dyn_port = ice_devlink_port_to_dyn(port); + + if (dyn_port->active) { + *state = DEVLINK_PORT_FN_STATE_ACTIVE; + *opstate = DEVLINK_PORT_FN_OPSTATE_ATTACHED; + } else { + *state = DEVLINK_PORT_FN_STATE_INACTIVE; + *opstate = DEVLINK_PORT_FN_OPSTATE_DETACHED; + } + + return 0; +} + static const struct devlink_port_ops ice_devlink_port_sf_ops = { .port_del = ice_devlink_port_del, .port_fn_hw_addr_get = ice_devlink_port_fn_hw_addr_get, .port_fn_hw_addr_set = ice_devlink_port_fn_hw_addr_set, + .port_fn_state_get = ice_devlink_port_fn_state_get, + .port_fn_state_set = ice_devlink_port_fn_state_set, }; /** diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h index 33f07cec6bd6..3692b8617bd5 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h @@ -14,6 +14,7 @@ * @devlink_port: the associated devlink port structure * @pf: pointer to the PF private structure * @vsi: the VSI associated with this port + * @sf_dev: pointer to the subfunction device * * An instance of a dynamically added devlink port. Each port flavour */ @@ -23,6 +24,10 @@ struct ice_dynamic_port { struct devlink_port devlink_port; struct ice_pf *pf; struct ice_vsi *vsi; + /* Flavour-specific implementation data */ + union { + struct ice_sf_dev *sf_dev; + }; }; void ice_dealloc_all_dynamic_ports(struct ice_pf *pf); diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.c b/drivers/net/ethernet/intel/ice/ice_sf_eth.c index ecef869c20a1..663bfdcf68b5 100644 --- a/drivers/net/ethernet/intel/ice/ice_sf_eth.c +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.c @@ -202,6 +202,8 @@ static struct auxiliary_driver ice_sf_driver = { .id_table = ice_sf_dev_id_table }; +static DEFINE_XARRAY_ALLOC1(ice_sf_aux_id); + /** * ice_sf_driver_register - Register new auxiliary subfunction driver * @@ -221,3 +223,105 @@ void ice_sf_driver_unregister(void) { auxiliary_driver_unregister(&ice_sf_driver); } + +/** + * ice_sf_dev_release - Release device associated with auxiliary device + * @device: pointer to the device + * + * Since most of the code for subfunction deactivation is handled in + * the remove handler, here just free tracking resources. + */ +static void ice_sf_dev_release(struct device *device) +{ + struct auxiliary_device *adev = to_auxiliary_dev(device); + struct ice_sf_dev *sf_dev = ice_adev_to_sf_dev(adev); + + xa_erase(&ice_sf_aux_id, adev->id); + kfree(sf_dev); +} + +/** + * ice_sf_eth_activate - Activate Ethernet subfunction port + * @dyn_port: the dynamic port instance for this subfunction + * @extack: extack for reporting error messages + * + * Activate the dynamic port as an Ethernet subfunction. Setup the netdev + * resources associated and initialize the auxiliary device. + * + * Return: zero on success or an error code on failure. + */ +int +ice_sf_eth_activate(struct ice_dynamic_port *dyn_port, + struct netlink_ext_ack *extack) +{ + struct ice_pf *pf = dyn_port->pf; + struct ice_sf_dev *sf_dev; + struct pci_dev *pdev; + int err; + u32 id; + + err = xa_alloc(&ice_sf_aux_id, &id, NULL, xa_limit_32b, + GFP_KERNEL); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Could not allocate subfunction ID"); + return err; + } + + sf_dev = kzalloc(sizeof(*sf_dev), GFP_KERNEL); + if (!sf_dev) { + err = -ENOMEM; + NL_SET_ERR_MSG_MOD(extack, "Could not allocate sf_dev memory"); + goto xa_erase; + } + pdev = pf->pdev; + + sf_dev->dyn_port = dyn_port; + sf_dev->adev.id = id; + sf_dev->adev.name = "sf"; + sf_dev->adev.dev.release = ice_sf_dev_release; + sf_dev->adev.dev.parent = &pdev->dev; + + err = auxiliary_device_init(&sf_dev->adev); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Failed to initialize auxiliary device"); + goto sf_dev_free; + } + + err = auxiliary_device_add(&sf_dev->adev); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Auxiliary device failed to probe"); + goto aux_dev_uninit; + } + + dyn_port->sf_dev = sf_dev; + + return 0; + +aux_dev_uninit: + auxiliary_device_uninit(&sf_dev->adev); +sf_dev_free: + kfree(sf_dev); +xa_erase: + xa_erase(&ice_sf_aux_id, id); + + return err; +} + +/** + * ice_sf_eth_deactivate - Deactivate Ethernet subfunction port + * @dyn_port: the dynamic port instance for this subfunction + * + * Deactivate the Ethernet subfunction, removing its auxiliary device and the + * associated resources. + */ +void ice_sf_eth_deactivate(struct ice_dynamic_port *dyn_port) +{ + struct ice_sf_dev *sf_dev = dyn_port->sf_dev; + + if (sf_dev) { + auxiliary_device_delete(&sf_dev->adev); + auxiliary_device_uninit(&sf_dev->adev); + } + + dyn_port->sf_dev = NULL; +} diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.h b/drivers/net/ethernet/intel/ice/ice_sf_eth.h index e972c50f96c9..c558cad0a183 100644 --- a/drivers/net/ethernet/intel/ice/ice_sf_eth.h +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.h @@ -27,4 +27,7 @@ ice_sf_dev *ice_adev_to_sf_dev(struct auxiliary_device *adev) int ice_sf_driver_register(void); void ice_sf_driver_unregister(void); +int ice_sf_eth_activate(struct ice_dynamic_port *dyn_port, + struct netlink_ext_ack *extack); +void ice_sf_eth_deactivate(struct ice_dynamic_port *dyn_port); #endif /* _ICE_SF_ETH_H_ */