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Mon, 4 Nov 2024 12:13:57 +0000 (UTC) X-CSE-ConnectionGUID: JVZ6GVHaRJCcebmKJan1Ew== X-CSE-MsgGUID: rv71A0tbRMiulEbiXqEoDg== X-IronPort-AV: E=McAfee;i="6700,10204,11245"; a="29843694" X-IronPort-AV: E=Sophos;i="6.11,257,1725346800"; d="scan'208";a="29843694" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2024 04:13:57 -0800 X-CSE-ConnectionGUID: E7mERHFCTzKQObckKeEJ3g== X-CSE-MsgGUID: 4dWE0JgfRB+kl5irWYHZeA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,257,1725346800"; d="scan'208";a="83525768" Received: from gk3153-dr2-r750-36946.igk.intel.com ([10.102.20.192]) by orviesa009.jf.intel.com with ESMTP; 04 Nov 2024 04:13:53 -0800 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Date: Mon, 4 Nov 2024 13:13:32 +0100 Message-ID: <20241104121337.129287-5-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20241104121337.129287-1-michal.swiatkowski@linux.intel.com> References: <20241104121337.129287-1-michal.swiatkowski@linux.intel.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730722437; x=1762258437; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yzqUD4n43BEFVlD1mBh/RVCWWJxfGw2tKXJDU0pE6FU=; b=V6cJPEpHhhPHSgLNEAq4FH/PIdfOqRJWz5mII6NWdwaG82wc3Jsx8VjW MKJQmL5aMEG/siHiNTjiawtbc0cWu1b8Vfi6AviErux5i2oM0cKO9Hc/9 b8yUv0eD+n52XjodMOytLnIN30CB69iyn/Zs9dFbEN87V+oUedw5rFhon tEkYwSZ/vRwEfVrWLQpsCIlKOmO9gUVAeN1qdAUgVuVNKukZIf3Zd8wND FAh2iUuW0r4iFYWYOIsZkPIbh96cRaUUAYhOVTpqZGFXGDZoJpP3HJ3PU visDuNZWt5zU1+PwsBxewww9xdnrOeKd4R9IvXOPNFBBA1luqRMdTOKx7 A==; X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=none (p=none dis=none) header.from=linux.intel.com X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=V6cJPEpH Subject: [Intel-wired-lan] [iwl-next v7 4/9] ice: get rid of num_lan_msix field X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pmenzel@molgen.mpg.de, wojciech.drewek@intel.com, marcin.szycik@intel.com, netdev@vger.kernel.org, konrad.knitter@intel.com, pawel.chmielewski@intel.com, horms@kernel.org, David.Laight@ACULAB.COM, nex.sw.ncis.nat.hpm.dev@intel.com, pio.raczynski@gmail.com, sridhar.samudrala@intel.com, jacob.e.keller@intel.com, jiri@resnulli.us, przemyslaw.kitszel@intel.com Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" 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 Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) --- 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 bf07d64a58a7..f497f7d6eb71 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 64b4243ace03..0b3cf9baef04 100644 --- a/drivers/net/ethernet/intel/ice/ice_base.c +++ b/drivers/net/ethernet/intel/ice/ice_base.c @@ -795,13 +795,11 @@ 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 c2f53946f1c3..5d001fe95753 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -3789,8 +3789,7 @@ 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); } /** @@ -3799,8 +3798,7 @@ 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 7da2f3336c59..ecc850a43643 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);