From patchwork Thu Nov 14 12:18:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13875071 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 4E7F11F890E for ; Thu, 14 Nov 2024 12:20:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731586828; cv=none; b=peaHlLIuBKstC/ZO4/I3BGVbcQ/yYs1W9B0JODC6L3noLcub9eFgbuzo7QBxGwb//IQo4QQ/6eW2cxJMdtEoUuu7zbzA1qAEfuPwgeWtBAIu+33MaHboCZa9tgj3fJeVzMAkCTGNHZS36HCgCQGMFBfJ1t99tW0aBN8EZnlfZjc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731586828; c=relaxed/simple; bh=Eoq8OdUtOSt4vYJGuOY98qZ5u7A37nzLiskurU1iAqc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KUNvxkT48TgQXrqhlYZ9LngLcNRYlrXlzpXyxP5KVWvqRsO1791oTFiaAubYJxDX0usGcjIg+nEtUna/Ss5z7J5KuENBTzAyuES9eBjrb8cQnLm4wtWxb8/wT+kM6qR9jxcYCxaprFJnG7xs+noFWlP47/go87YH9LucNZVLf9c= 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=R581gyex; arc=none smtp.client-ip=192.198.163.7 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="R581gyex" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731586827; x=1763122827; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Eoq8OdUtOSt4vYJGuOY98qZ5u7A37nzLiskurU1iAqc=; b=R581gyexSpLLxmxLGaZ6SfZGvjG96PqPJP4r/k4fpev+Hx9P3gtLF5Bo Ha/iELMPWANINIOTNp6O+UgbCMvbqTOBsrYOOqH0kkurhBT/PINwPVo3M +zfanrzaWJecYcW6cr1oqo2PdXCPOon5AUb/1EPR/YJiaH9qeFw2JMKWj eGCobsZxZMlnNdnkiTuZkxCTQjewxadMsXHVmKPRPF/36fU+rc1zumbwR QSH30pzFPO0FLDDNOEMhxLFP3csTc7IoRlCNlukjRHIVxYn4+lHnOFLiC 1gpMBiOSEaypGsGL0laY6sO08MDAxOo5GqmVk4kgNT+yClEJKWXBB/TdM A==; X-CSE-ConnectionGUID: X6WzeuQkTwOPCaXlAgGwxQ== X-CSE-MsgGUID: 3oy2CHdJTSap2onaZ/hrhQ== X-IronPort-AV: E=McAfee;i="6700,10204,11255"; a="56916883" X-IronPort-AV: E=Sophos;i="6.12,154,1728975600"; d="scan'208";a="56916883" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2024 04:20:27 -0800 X-CSE-ConnectionGUID: rAVGP6PwT3yzC2pkeferGg== X-CSE-MsgGUID: cvbRxVffQW6n/JKeKmlhTw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="93135925" Received: from gk3153-dr2-r750-36946.igk.intel.com ([10.102.20.192]) by orviesa003.jf.intel.com with ESMTP; 14 Nov 2024 04:20:23 -0800 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, pawel.chmielewski@intel.com, sridhar.samudrala@intel.com, jacob.e.keller@intel.com, pio.raczynski@gmail.com, konrad.knitter@intel.com, marcin.szycik@intel.com, wojciech.drewek@intel.com, nex.sw.ncis.nat.hpm.dev@intel.com, przemyslaw.kitszel@intel.com, jiri@resnulli.us, horms@kernel.org, David.Laight@ACULAB.COM, pmenzel@molgen.mpg.de, mschmidt@redhat.com, rafal.romanowski@intel.com Subject: [PATCH 3/8] ice: get rid of num_lan_msix field Date: Thu, 14 Nov 2024 13:18:35 +0100 Message-ID: <20241114122009.97416-4-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20241114122009.97416-1-michal.swiatkowski@linux.intel.com> References: <20241114122009.97416-1-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 Remove the field to allow having more queues than MSI-X on VSI. As default the number will be the same, but if there won't be more MSI-X available VSI can run with at least one MSI-X. Reviewed-by: Jacob Keller Reviewed-by: Wojciech Drewek Signed-off-by: Michal Swiatkowski --- drivers/net/ethernet/intel/ice/ice.h | 1 - drivers/net/ethernet/intel/ice/ice_base.c | 10 ++++---- drivers/net/ethernet/intel/ice/ice_ethtool.c | 6 ++--- drivers/net/ethernet/intel/ice/ice_irq.c | 11 ++++----- drivers/net/ethernet/intel/ice/ice_lib.c | 25 +++++++++++--------- 5 files changed, 24 insertions(+), 29 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 74243126a12e..f4cac59706f9 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -618,7 +618,6 @@ struct ice_pf { u16 max_pf_txqs; /* Total Tx queues PF wide */ u16 max_pf_rxqs; /* Total Rx queues PF wide */ struct ice_pf_msix msix; - u16 num_lan_msix; /* Total MSIX vectors for base driver */ u16 num_lan_tx; /* num LAN Tx queues setup */ u16 num_lan_rx; /* num LAN Rx queues setup */ u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */ diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c index 3a8e156d7d86..626f0a26d2c6 100644 --- a/drivers/net/ethernet/intel/ice/ice_base.c +++ b/drivers/net/ethernet/intel/ice/ice_base.c @@ -797,13 +797,11 @@ int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi) return 0; err_out: - while (v_idx--) - ice_free_q_vector(vsi, v_idx); - dev_err(dev, "Failed to allocate %d q_vector for VSI %d, ret=%d\n", - vsi->num_q_vectors, vsi->vsi_num, err); - vsi->num_q_vectors = 0; - return err; + dev_info(dev, "Failed to allocate %d q_vectors for VSI %d, new value %d", + vsi->num_q_vectors, vsi->vsi_num, v_idx); + vsi->num_q_vectors = v_idx; + return v_idx ? 0 : err; } /** diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index c69f61325c80..051cb7719abf 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -3811,8 +3811,7 @@ ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info) */ static int ice_get_max_txq(struct ice_pf *pf) { - return min3(pf->num_lan_msix, (u16)num_online_cpus(), - (u16)pf->hw.func_caps.common_cap.num_txq); + return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_txq); } /** @@ -3821,8 +3820,7 @@ static int ice_get_max_txq(struct ice_pf *pf) */ static int ice_get_max_rxq(struct ice_pf *pf) { - return min3(pf->num_lan_msix, (u16)num_online_cpus(), - (u16)pf->hw.func_caps.common_cap.num_rxq); + return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_rxq); } /** diff --git a/drivers/net/ethernet/intel/ice/ice_irq.c b/drivers/net/ethernet/intel/ice/ice_irq.c index 4a50a6dc817e..1a7d446ab5f1 100644 --- a/drivers/net/ethernet/intel/ice/ice_irq.c +++ b/drivers/net/ethernet/intel/ice/ice_irq.c @@ -108,7 +108,7 @@ void ice_clear_interrupt_scheme(struct ice_pf *pf) int ice_init_interrupt_scheme(struct ice_pf *pf) { int total_vectors = pf->hw.func_caps.common_cap.num_msix_vectors; - int vectors, max_vectors; + int vectors; /* load default PF MSI-X range */ if (!pf->msix.min) @@ -118,20 +118,17 @@ int ice_init_interrupt_scheme(struct ice_pf *pf) pf->msix.max = min(total_vectors, ice_get_default_msix_amount(pf)); - if (pci_msix_can_alloc_dyn(pf->pdev)) { + if (pci_msix_can_alloc_dyn(pf->pdev)) vectors = pf->msix.min; - max_vectors = total_vectors; - } else { + else vectors = pf->msix.max; - max_vectors = vectors; - } vectors = pci_alloc_irq_vectors(pf->pdev, pf->msix.min, vectors, PCI_IRQ_MSIX); if (vectors < pf->msix.min) return -ENOMEM; - ice_init_irq_tracker(pf, max_vectors, vectors); + ice_init_irq_tracker(pf, pf->msix.max, vectors); return 0; } diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index d4e74f96a8ad..8b1ae7dea0d6 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -157,6 +157,16 @@ static void ice_vsi_set_num_desc(struct ice_vsi *vsi) } } +static u16 ice_get_rxq_count(struct ice_pf *pf) +{ + return min(ice_get_avail_rxq_count(pf), num_online_cpus()); +} + +static u16 ice_get_txq_count(struct ice_pf *pf) +{ + return min(ice_get_avail_txq_count(pf), num_online_cpus()); +} + /** * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI * @vsi: the VSI being configured @@ -178,9 +188,7 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi) vsi->alloc_txq = vsi->req_txq; vsi->num_txq = vsi->req_txq; } else { - vsi->alloc_txq = min3(pf->num_lan_msix, - ice_get_avail_txq_count(pf), - (u16)num_online_cpus()); + vsi->alloc_txq = ice_get_txq_count(pf); } pf->num_lan_tx = vsi->alloc_txq; @@ -193,17 +201,13 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi) vsi->alloc_rxq = vsi->req_rxq; vsi->num_rxq = vsi->req_rxq; } else { - vsi->alloc_rxq = min3(pf->num_lan_msix, - ice_get_avail_rxq_count(pf), - (u16)num_online_cpus()); + vsi->alloc_rxq = ice_get_rxq_count(pf); } } pf->num_lan_rx = vsi->alloc_rxq; - vsi->num_q_vectors = min_t(int, pf->num_lan_msix, - max_t(int, vsi->alloc_rxq, - vsi->alloc_txq)); + vsi->num_q_vectors = max(vsi->alloc_rxq, vsi->alloc_txq); break; case ICE_VSI_SF: vsi->alloc_txq = 1; @@ -1173,12 +1177,11 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) static void ice_chnl_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) { - struct ice_pf *pf = vsi->back; u16 qcount, qmap; u8 offset = 0; int pow; - qcount = min_t(int, vsi->num_rxq, pf->num_lan_msix); + qcount = vsi->num_rxq; pow = order_base_2(qcount); qmap = FIELD_PREP(ICE_AQ_VSI_TC_Q_OFFSET_M, offset);