From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 21BCECD3447 for ; Fri, 8 May 2026 12:59:58 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id F3AD240E67; Fri, 8 May 2026 12:59:57 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id crjFYIsFzHkX; Fri, 8 May 2026 12:59:57 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 602B74100A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1778245197; bh=vbQw2y7v23UaXpxycIQfCM4aoDdmvIwGc+GKDcKE2YI=; h=From:To:Cc:Date:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=CwbTnYmRIFDaq3UMFE6+b5yEfLYfzR94of4M7YPqlpoNggFqCSGLpzUJr0WNz1MUp b9EnCdD0BFIdnxzQ91oFQ3hb+Ud5m2jo97RtDre7lWj5yhR6hh+O74DLRWji+1aAvy TO+Jz+GLHvEXXOQShuTM3Ryi/3ZVEXv7kHDyGnQPBxwu30blzwSvkEEHQat0T2Epjq ko6zOeAFsfakmEIH6Ji4Ab4zNHgOAp8rR5lWdA1NiP1TzPdROVQiEUBj5PecB7HBnL rOqRbY+291w+1mhWfgko/R7GtiqkjsBKx/0XChmQtQcK7opfK1CYa1WN5psSmwdBqY oSap3ruDF+sqg== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp4.osuosl.org (Postfix) with ESMTP id 602B74100A; Fri, 8 May 2026 12:59:57 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists1.osuosl.org (Postfix) with ESMTP id 04998317 for ; Fri, 8 May 2026 12:59:56 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 01DA940F62 for ; Fri, 8 May 2026 12:59:56 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id c-U0S3UUaH4k for ; Fri, 8 May 2026 12:59:55 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=198.175.65.17; helo=mgamail.intel.com; envelope-from=przemyslaw.kitszel@intel.com; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org 2D89841053 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 2D89841053 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by smtp4.osuosl.org (Postfix) with ESMTPS id 2D89841053 for ; Fri, 8 May 2026 12:59:55 +0000 (UTC) X-CSE-ConnectionGUID: UHMCuz7cSgesJFTuXRoZCA== X-CSE-MsgGUID: NmEqXQpMQZOFgM8eFzzKpw== X-IronPort-AV: E=McAfee;i="6800,10657,11779"; a="79199931" X-IronPort-AV: E=Sophos;i="6.23,223,1770624000"; d="scan'208";a="79199931" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2026 05:59:55 -0700 X-CSE-ConnectionGUID: swZOTk4ZQf2P85VUdshBQQ== X-CSE-MsgGUID: wubMeUzcSOiZStO1K992YA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,223,1770624000"; d="scan'208";a="241730132" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmviesa005.fm.intel.com with ESMTP; 08 May 2026 05:59:49 -0700 Received: from vecna.igk.intel.com (vecna.igk.intel.com [10.123.220.17]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 7C8272FC44; Fri, 8 May 2026 13:59:47 +0100 (IST) From: Przemek Kitszel To: intel-wired-lan@lists.osuosl.org, Michal Schmidt , Jakub Kicinski , Jiri Pirko Cc: netdev@vger.kernel.org, Simon Horman , Tony Nguyen , Michal Swiatkowski , bruce.richardson@intel.com, Vladimir Medvedkin , padraig.j.connolly@intel.com, ananth.s@intel.com, timothy.miskell@intel.com, Jacob Keller , Lukasz Czapnik , Aleksandr Loktionov , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , Przemek Kitszel Date: Fri, 8 May 2026 14:42:01 +0200 Message-Id: <20260508124208.11622-9-przemyslaw.kitszel@intel.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20260508124208.11622-1-przemyslaw.kitszel@intel.com> References: <20260508124208.11622-1-przemyslaw.kitszel@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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=1778245196; x=1809781196; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MHtnV2d7on0QOsG7JkOnFzWyzfm4So4mltVlVNW1uq0=; b=a+xtx97B0IBzfliOEfHlRQ/jsAQSCEfFIY3vh8e2rzFhY16VFz+dpgmk CRCVzXfsBkCJi0edQbe03ocQ9IA2V7zt0iKQaSABfRo8r2AM6Equmrb3X BwxX0NmqmXhWE9Al+WYXCgH2f2Ru3x3FXKIhJWLBmWCdnkulY5LIfInGj bh2P+lvlgGOo6oLIL2QJt1/YVqQEVUkJdlL7xTHyZjlimVLHuZnkcwU1x Sv/MhVxN/ZmyxcUZ4FidpzkGsTVRQiYM1z8zLN5d4Zd7imWmFG4HhbcOZ dVTfpGhwfQ8+3/Hu0Nr+DfK8qjGnkwMZml+ROsdUrFSHXy7ExD4q2yvmh A==; X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=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=a+xtx97B Subject: [Intel-wired-lan] [PATCH iwl-next v1 08/15] iavf: extend iavf_configure_queues() to support more queues 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: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Extend iavf_configure_queues() to support more than 31 queues. Virtchnl opcode used was already generic, but we have just not needed more than one message before. Add helper, iavf_max_vc_entries(), that determines how many entries we could fit into virtchnl message (ending by flex array member). Will be also used on another op later in this series. Signed-off-by: Przemek Kitszel --- .../net/ethernet/intel/iavf/iavf_virtchnl.c | 55 +++++++++++++++---- 1 file changed, 45 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index a2f75bb4a74e..7a97fc76420f 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -8,6 +8,11 @@ #include "iavf_ptp.h" #include "iavf_prototype.h" +/* how many Flex Array Member entires do fit into VC message of type *ptr */ +#define iavf_max_vc_entries(ptr, flex_member) \ + ((IAVF_MAX_AQ_BUF_SIZE - virtchnl_struct_size(ptr, flex_member, 1)) / \ + sizeof(ptr->flex_member[0]) + 1) + /** * iavf_send_pf_msg * @adapter: adapter structure @@ -366,6 +371,14 @@ int iavf_get_vf_ptp_caps(struct iavf_adapter *adapter) return err; } +static bool iavf_match_vc_op_cb(struct iavf_adapter *adapter, const void *data, + enum virtchnl_ops recv_op) +{ + enum virtchnl_ops wanted_op = (enum virtchnl_ops)data; + + return recv_op == wanted_op; +} + /** * iavf_configure_queues * @adapter: adapter structure @@ -377,8 +390,9 @@ void iavf_configure_queues(struct iavf_adapter *adapter) struct virtchnl_vsi_queue_config_info *vqci; int pairs = adapter->num_active_queues; struct virtchnl_queue_pair_info *vqpi; - u32 i, max_frame; u8 rx_flags = 0; + u32 max_frame; + int max_pairs; size_t len; max_frame = LIBIE_MAX_RX_FRM_LEN(adapter->rx_rings->pp->p.offset); @@ -390,22 +404,22 @@ void iavf_configure_queues(struct iavf_adapter *adapter) adapter->current_op); return; } - adapter->current_op = VIRTCHNL_OP_CONFIG_VSI_QUEUES; - len = virtchnl_struct_size(vqci, qpair, pairs); + + max_pairs = iavf_max_vc_entries(vqci, qpair); + len = virtchnl_struct_size(vqci, qpair, min(pairs, max_pairs)); vqci = kzalloc(len, GFP_KERNEL); if (!vqci) return; if (iavf_ptp_cap_supported(adapter, VIRTCHNL_1588_PTP_CAP_RX_TSTAMP)) rx_flags |= VIRTCHNL_PTP_RX_TSTAMP; vqci->vsi_id = adapter->vsi_res->vsi_id; - vqci->num_queue_pairs = pairs; vqpi = vqci->qpair; - /* Size check is not needed here - HW max is 16 queue pairs, and we - * can fit info for 31 of them into the AQ buffer before it overflows. - */ - for (i = 0; i < pairs; i++) { + + for (int i = 0, in_msg = 0; i < pairs; i++) { + const bool last = i + 1 == pairs; + vqpi->txq.vsi_id = vqci->vsi_id; vqpi->txq.queue_id = i; vqpi->txq.ring_len = adapter->tx_rings[i].count; @@ -423,11 +437,32 @@ void iavf_configure_queues(struct iavf_adapter *adapter) NETIF_F_RXFCS); vqpi->rxq.flags = rx_flags; vqpi++; + in_msg++; + if (last || in_msg == max_pairs) { + int err; + + adapter->current_op = VIRTCHNL_OP_CONFIG_VSI_QUEUES; + vqci->num_queue_pairs = in_msg; + + iavf_send_pf_msg(adapter, + VIRTCHNL_OP_CONFIG_VSI_QUEUES, + (u8 *)vqci, + virtchnl_struct_size(vqci, qpair, in_msg)); + err = iavf_poll_virtchnl_response(adapter, + iavf_match_vc_op_cb, + (void *)VIRTCHNL_OP_CONFIG_VSI_QUEUES, + 1000); + if (err) + dev_warn(&adapter->pdev->dev, + "config queues poll failed, err: %d\n", + err); + + vqpi = vqci->qpair; + in_msg = 0; + } } adapter->aq_required &= ~IAVF_FLAG_AQ_CONFIGURE_QUEUES; - iavf_send_pf_msg(adapter, VIRTCHNL_OP_CONFIG_VSI_QUEUES, - (u8 *)vqci, len); kfree(vqci); } -- 2.39.3