{"id":807985,"url":"http://patchwork.ozlabs.org/api/1.0/patches/807985/?format=json","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/1.0/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<1504138732-65383-2-git-send-email-f.fainelli@gmail.com>","date":"2017-08-31T00:18:45","name":"[RFC,net-next,1/8] net: dsa: Allow switch drivers to indicate number of RX/TX queues","commit_ref":null,"pull_url":null,"state":"rfc","archived":true,"hash":"ef519d6ec653fe0eee936ac5b9240a101a41a856","submitter":{"id":2800,"url":"http://patchwork.ozlabs.org/api/1.0/people/2800/?format=json","name":"Florian Fainelli","email":"f.fainelli@gmail.com"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/1.0/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/1504138732-65383-2-git-send-email-f.fainelli@gmail.com/mbox/","series":[{"id":728,"url":"http://patchwork.ozlabs.org/api/1.0/series/728/?format=json","date":"2017-08-31T00:18:44","name":"net: dsa: Multi-queue awareness","version":1,"mbox":"http://patchwork.ozlabs.org/series/728/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/807985/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"uVenjSGH\"; dkim-atps=neutral"],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xjNV00YQGz9s83\n\tfor ;\n\tThu, 31 Aug 2017 10:26:48 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751264AbdHaA0q (ORCPT );\n\tWed, 30 Aug 2017 20:26:46 -0400","from mail-wm0-f68.google.com ([74.125.82.68]:35385 \"EHLO\n\tmail-wm0-f68.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1750814AbdHaA0o (ORCPT\n\t); Wed, 30 Aug 2017 20:26:44 -0400","by mail-wm0-f68.google.com with SMTP id e204so3360306wma.2\n\tfor ; Wed, 30 Aug 2017 17:26:44 -0700 (PDT)","from stb-bld-04.irv.broadcom.com ([192.19.255.250])\n\tby smtp.gmail.com with ESMTPSA id\n\te74sm5296636wmg.39.2017.08.30.17.26.38\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tWed, 30 Aug 2017 17:26:42 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=rZdJgPWpq5OVypChoX1oC5es58/OZwt9zc2vLIoDbzs=;\n\tb=uVenjSGHaZOPxJSsyFi4qmwv9MJW9urfZYbw3nbCQArbUC5jAo8+WADQrltIjXkDlg\n\t1jAVTY46XbG3obCrALKZ321ZGrVlfly7UhT62ntHpZMMtd67ftBkaVa7BXvIPM2h1Mbk\n\tuGSHHwvDMJ80NC8ue5NqmzYJf3jUru+yKO5DM8MRmg11MjFJLXj3aUCRNi08vn6DihOZ\n\tuebMqCDcwFgRL8qXRU7hGE8An8ykGCleaaxfl39cM6Qvul+VYKkJ5xRSstKXUwDU2T2f\n\t/Y5tCy4AgKWgG+aTnALpPVRcQkui+Ce73SE6QnqYJ6L4aVAzDKnSGM1d878d5DU14WH3\n\tKgcQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=rZdJgPWpq5OVypChoX1oC5es58/OZwt9zc2vLIoDbzs=;\n\tb=sGNZVyXECun408WMwNbo3Gytk8dQ4MXZi7wBnDoGFhGAaAAsuJCF6vbrbO4u1GRSqp\n\tI1A9nQ3PoSETVyYjTCOFxqfFBNmo/j6rXjrqPDbPe5y72CU9OV5GZeknMT3Squ2/syG9\n\tTDEgcVEOLyvW/eal7pl3rEPqDDZrDJhUJHihMWcp8u8FkISUJMbs5cY8PQDqlRJzmgfB\n\t6sgepaW+n/4/c71MaJRJA+FFL55bpjrBGddEIBmoxziTqgC+udomcAj4xWCVORrocaDS\n\tCm86xRcQBj6QlDkT3HvCIKjpkgOln4DEo5f+aXE1cr83GkMA5aCRWOJQrB4xKw4t98fd\n\tzfbw==","X-Gm-Message-State":"AHYfb5hre4tt70xVO6L592uNxDT/H7fiZ13M3cmVhwN9NRTdmERJXZbN\n\tis6EMUGeRoqeGR0wK0A=","X-Received":"by 10.28.147.193 with SMTP id v184mr2117451wmd.190.1504139203681;\n\tWed, 30 Aug 2017 17:26:43 -0700 (PDT)","From":"Florian Fainelli ","To":"netdev@vger.kernel.org","Cc":"jiri@resnulli.us, jhs@mojatatu.com, davem@davemloft.net,\n\txiyou.wangcong@gmail.com, andrew@lunn.ch,\n\tvivien.didelot@savoirfairelinux.com,\n\tFlorian Fainelli ","Subject":"[RFC net-next 1/8] net: dsa: Allow switch drivers to indicate\n\tnumber of RX/TX queues","Date":"Wed, 30 Aug 2017 17:18:45 -0700","Message-Id":"<1504138732-65383-2-git-send-email-f.fainelli@gmail.com>","X-Mailer":"git-send-email 1.9.1","In-Reply-To":"<1504138732-65383-1-git-send-email-f.fainelli@gmail.com>","References":"<1504138732-65383-1-git-send-email-f.fainelli@gmail.com>","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"Let switch drivers indicate how many RX and TX queues they support. Some\nswitches, such as Broadcom Starfighter 2 are resigned with 8 egress\nqueues. Future changes will allow us to leverage the queue mapping and\ndirect the transmission towards a particular queue.\n\nSigned-off-by: Florian Fainelli \n---\n include/net/dsa.h | 4 ++++\n net/dsa/slave.c | 10 ++++++++--\n 2 files changed, 12 insertions(+), 2 deletions(-)","diff":"diff --git a/include/net/dsa.h b/include/net/dsa.h\nindex 398ca8d70ccd..b10e8da3f8d7 100644\n--- a/include/net/dsa.h\n+++ b/include/net/dsa.h\n@@ -243,6 +243,10 @@ struct dsa_switch {\n \t/* devlink used to represent this switch device */\n \tstruct devlink\t\t*devlink;\n \n+\t/* Number of switch port queues */\n+\tunsigned int\t\tnum_rx_queues;\n+\tunsigned int\t\tnum_tx_queues;\n+\n \t/* Dynamically allocated ports, keep last */\n \tsize_t num_ports;\n \tstruct dsa_port ports[];\ndiff --git a/net/dsa/slave.c b/net/dsa/slave.c\nindex 78e78a6e6833..bfd7173a3c6a 100644\n--- a/net/dsa/slave.c\n+++ b/net/dsa/slave.c\n@@ -1259,8 +1259,14 @@ int dsa_slave_create(struct dsa_port *port, const char *name)\n \tcpu_dp = ds->dst->cpu_dp;\n \tmaster = cpu_dp->netdev;\n \n-\tslave_dev = alloc_netdev(sizeof(struct dsa_slave_priv), name,\n-\t\t\t\t NET_NAME_UNKNOWN, ether_setup);\n+\tif (!ds->num_rx_queues)\n+\t\tds->num_rx_queues = 1;\n+\tif (!ds->num_tx_queues)\n+\t\tds->num_tx_queues = 1;\n+\n+\tslave_dev = alloc_netdev_mqs(sizeof(struct dsa_slave_priv), name,\n+\t\t\t\t NET_NAME_UNKNOWN, ether_setup,\n+\t\t\t\t ds->num_tx_queues, ds->num_rx_queues);\n \tif (slave_dev == NULL)\n \t\treturn -ENOMEM;\n \n","prefixes":["RFC","net-next","1/8"]}