dcbnl.c revision 7ec79270d7de0c8ca602c47cb25a9652ec28f37f
12f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/* 22f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * Copyright (c) 2008, Intel Corporation. 32f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 42f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * This program is free software; you can redistribute it and/or modify it 52f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * under the terms and conditions of the GNU General Public License, 62f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * version 2, as published by the Free Software Foundation. 72f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 82f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * This program is distributed in the hope it will be useful, but WITHOUT 92f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 112f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * more details. 122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * You should have received a copy of the GNU General Public License along with 142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * Place - Suite 330, Boston, MA 02111-1307 USA. 162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * Author: Lucy Liu <lucy.liu@intel.com> 182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck */ 192f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 202f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck#include <linux/netdevice.h> 212f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck#include <linux/netlink.h> 225a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 232f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck#include <net/netlink.h> 242f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck#include <net/rtnetlink.h> 252f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck#include <linux/dcbnl.h> 2696b99684e365f28d49bdb1221ca022b75cb91a98John Fastabend#include <net/dcbevent.h> 272f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck#include <linux/rtnetlink.h> 282f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck#include <net/sock.h> 292f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 302f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/** 312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * Data Center Bridging (DCB) is a collection of Ethernet enhancements 322f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * intended to allow network traffic with differing requirements 332f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * (highly reliable, no drops vs. best effort vs. low latency) to operate 342f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * and co-exist on Ethernet. Current DCB features are: 352f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 362f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * Enhanced Transmission Selection (aka Priority Grouping [PG]) - provides a 372f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * framework for assigning bandwidth guarantees to traffic classes. 382f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 392f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * Priority-based Flow Control (PFC) - provides a flow control mechanism which 402f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * can work independently for each 802.1p priority. 412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 422f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * Congestion Notification - provides a mechanism for end-to-end congestion 432f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * control for protocols which do not have built-in congestion management. 442f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 452f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * More information about the emerging standards for these Ethernet features 462f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * can be found at: http://www.ieee802.org/1/pages/dcbridges.html 472f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * 482f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * This file implements an rtnetlink interface to allow configuration of DCB 492f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck * features for capable devices. 502f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck */ 512f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 522f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander DuyckMODULE_AUTHOR("Lucy Liu, <lucy.liu@intel.com>"); 537a6b6f515f77d1c62a2f383b6dce18cb0af0cf4fJeff KirsherMODULE_DESCRIPTION("Data Center Bridging netlink interface"); 542f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander DuyckMODULE_LICENSE("GPL"); 552f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 562f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/**************** DCB attribute policies *************************************/ 572f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 582f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/* DCB netlink attributes policy */ 59b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_rtnl_policy[DCB_ATTR_MAX + 1] = { 60859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_IFNAME] = {.type = NLA_NUL_STRING, .len = IFNAMSIZ - 1}, 61859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_STATE] = {.type = NLA_U8}, 62859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_PFC_CFG] = {.type = NLA_NESTED}, 63859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_PG_CFG] = {.type = NLA_NESTED}, 64859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_SET_ALL] = {.type = NLA_U8}, 652f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_ATTR_PERM_HWADDR] = {.type = NLA_FLAG}, 66859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_CAP] = {.type = NLA_NESTED}, 67859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_PFC_STATE] = {.type = NLA_U8}, 68859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_ATTR_BCN] = {.type = NLA_NESTED}, 696fa382af61338908e5713234bcee598423f661c3Yi Zou [DCB_ATTR_APP] = {.type = NLA_NESTED}, 703e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend [DCB_ATTR_IEEE] = {.type = NLA_NESTED}, 716241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid [DCB_ATTR_DCBX] = {.type = NLA_U8}, 72ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid [DCB_ATTR_FEATCFG] = {.type = NLA_NESTED}, 732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck}; 742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/* DCB priority flow control to User Priority nested attributes */ 76b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_pfc_up_nest[DCB_PFC_UP_ATTR_MAX + 1] = { 772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_0] = {.type = NLA_U8}, 782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_1] = {.type = NLA_U8}, 792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_2] = {.type = NLA_U8}, 802f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_3] = {.type = NLA_U8}, 812f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_4] = {.type = NLA_U8}, 822f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_5] = {.type = NLA_U8}, 832f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_6] = {.type = NLA_U8}, 842f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_7] = {.type = NLA_U8}, 852f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PFC_UP_ATTR_ALL] = {.type = NLA_FLAG}, 862f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck}; 872f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 882f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/* DCB priority grouping nested attributes */ 89b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_pg_nest[DCB_PG_ATTR_MAX + 1] = { 902f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_0] = {.type = NLA_NESTED}, 912f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_1] = {.type = NLA_NESTED}, 922f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_2] = {.type = NLA_NESTED}, 932f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_3] = {.type = NLA_NESTED}, 942f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_4] = {.type = NLA_NESTED}, 952f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_5] = {.type = NLA_NESTED}, 962f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_6] = {.type = NLA_NESTED}, 972f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_7] = {.type = NLA_NESTED}, 982f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_TC_ALL] = {.type = NLA_NESTED}, 992f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_0] = {.type = NLA_U8}, 1002f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_1] = {.type = NLA_U8}, 1012f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_2] = {.type = NLA_U8}, 1022f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_3] = {.type = NLA_U8}, 1032f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_4] = {.type = NLA_U8}, 1042f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_5] = {.type = NLA_U8}, 1052f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_6] = {.type = NLA_U8}, 1062f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_7] = {.type = NLA_U8}, 1072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_PG_ATTR_BW_ID_ALL] = {.type = NLA_FLAG}, 1082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck}; 1092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 1102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/* DCB traffic class nested attributes. */ 111b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_tc_param_nest[DCB_TC_ATTR_PARAM_MAX + 1] = { 1122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_TC_ATTR_PARAM_PGID] = {.type = NLA_U8}, 1132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_TC_ATTR_PARAM_UP_MAPPING] = {.type = NLA_U8}, 1142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_TC_ATTR_PARAM_STRICT_PRIO] = {.type = NLA_U8}, 1152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_TC_ATTR_PARAM_BW_PCT] = {.type = NLA_U8}, 1162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck [DCB_TC_ATTR_PARAM_ALL] = {.type = NLA_FLAG}, 1172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck}; 1182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 11946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck/* DCB capabilities nested attributes. */ 120b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_cap_nest[DCB_CAP_ATTR_MAX + 1] = { 12146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_ALL] = {.type = NLA_FLAG}, 12246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_PG] = {.type = NLA_U8}, 12346132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_PFC] = {.type = NLA_U8}, 12446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_UP2TC] = {.type = NLA_U8}, 12546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_PG_TCS] = {.type = NLA_U8}, 12646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_PFC_TCS] = {.type = NLA_U8}, 12746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_GSP] = {.type = NLA_U8}, 12846132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck [DCB_CAP_ATTR_BCN] = {.type = NLA_U8}, 1296241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid [DCB_CAP_ATTR_DCBX] = {.type = NLA_U8}, 13046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck}; 1312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 13233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck/* DCB capabilities nested attributes. */ 133b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_numtcs_nest[DCB_NUMTCS_ATTR_MAX + 1] = { 13433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck [DCB_NUMTCS_ATTR_ALL] = {.type = NLA_FLAG}, 13533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck [DCB_NUMTCS_ATTR_PG] = {.type = NLA_U8}, 13633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck [DCB_NUMTCS_ATTR_PFC] = {.type = NLA_U8}, 13733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck}; 13833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 139859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck/* DCB BCN nested attributes. */ 140b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_bcn_nest[DCB_BCN_ATTR_MAX + 1] = { 141859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_0] = {.type = NLA_U8}, 142859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_1] = {.type = NLA_U8}, 143859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_2] = {.type = NLA_U8}, 144859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_3] = {.type = NLA_U8}, 145859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_4] = {.type = NLA_U8}, 146859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_5] = {.type = NLA_U8}, 147859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_6] = {.type = NLA_U8}, 148859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_7] = {.type = NLA_U8}, 149859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RP_ALL] = {.type = NLA_FLAG}, 150f4314e815e87b4ab1c9b1115dd5853cd20ca999cDon Skidmore [DCB_BCN_ATTR_BCNA_0] = {.type = NLA_U32}, 151f4314e815e87b4ab1c9b1115dd5853cd20ca999cDon Skidmore [DCB_BCN_ATTR_BCNA_1] = {.type = NLA_U32}, 152859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_ALPHA] = {.type = NLA_U32}, 153859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_BETA] = {.type = NLA_U32}, 154859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_GD] = {.type = NLA_U32}, 155859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_GI] = {.type = NLA_U32}, 156859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_TMAX] = {.type = NLA_U32}, 157859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_TD] = {.type = NLA_U32}, 158859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RMIN] = {.type = NLA_U32}, 159859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_W] = {.type = NLA_U32}, 160859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RD] = {.type = NLA_U32}, 161859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RU] = {.type = NLA_U32}, 162859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_WRTT] = {.type = NLA_U32}, 163859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_RI] = {.type = NLA_U32}, 164859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_C] = {.type = NLA_U32}, 165859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck [DCB_BCN_ATTR_ALL] = {.type = NLA_FLAG}, 166859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck}; 167859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1686fa382af61338908e5713234bcee598423f661c3Yi Zou/* DCB APP nested attributes. */ 169b54452b07a7b1b8cc1385edba3ef2ef6d4679d5aAlexey Dobriyanstatic const struct nla_policy dcbnl_app_nest[DCB_APP_ATTR_MAX + 1] = { 1706fa382af61338908e5713234bcee598423f661c3Yi Zou [DCB_APP_ATTR_IDTYPE] = {.type = NLA_U8}, 1716fa382af61338908e5713234bcee598423f661c3Yi Zou [DCB_APP_ATTR_ID] = {.type = NLA_U16}, 1726fa382af61338908e5713234bcee598423f661c3Yi Zou [DCB_APP_ATTR_PRIORITY] = {.type = NLA_U8}, 1736fa382af61338908e5713234bcee598423f661c3Yi Zou}; 1746fa382af61338908e5713234bcee598423f661c3Yi Zou 1753e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend/* IEEE 802.1Qaz nested attributes. */ 1763e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabendstatic const struct nla_policy dcbnl_ieee_policy[DCB_ATTR_IEEE_MAX + 1] = { 1773e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend [DCB_ATTR_IEEE_ETS] = {.len = sizeof(struct ieee_ets)}, 1783e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend [DCB_ATTR_IEEE_PFC] = {.len = sizeof(struct ieee_pfc)}, 1793e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend [DCB_ATTR_IEEE_APP_TABLE] = {.type = NLA_NESTED}, 1803e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend}; 1813e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 1823e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabendstatic const struct nla_policy dcbnl_ieee_app[DCB_ATTR_IEEE_APP_MAX + 1] = { 1833e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend [DCB_ATTR_IEEE_APP] = {.len = sizeof(struct dcb_app)}, 1843e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend}; 1853e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 186ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid/* DCB number of traffic classes nested attributes. */ 187ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravidstatic const struct nla_policy dcbnl_featcfg_nest[DCB_FEATCFG_ATTR_MAX + 1] = { 188ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid [DCB_FEATCFG_ATTR_ALL] = {.type = NLA_FLAG}, 189ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid [DCB_FEATCFG_ATTR_PG] = {.type = NLA_U8}, 190ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid [DCB_FEATCFG_ATTR_PFC] = {.type = NLA_U8}, 191ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid [DCB_FEATCFG_ATTR_APP] = {.type = NLA_U8}, 192ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid}; 193ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1949ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabendstatic LIST_HEAD(dcb_app_list); 1959ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabendstatic DEFINE_SPINLOCK(dcb_lock); 1969ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 1972f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck/* standard netlink reply call */ 1982f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_reply(u8 value, u8 event, u8 cmd, u8 attr, u32 pid, 1992f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 seq, u16 flags) 2002f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 2012f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct sk_buff *dcbnl_skb; 2022f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct dcbmsg *dcb; 2032f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlmsghdr *nlh; 2042f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 2052f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2062f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 2072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!dcbnl_skb) 2082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 2092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh = NLMSG_NEW(dcbnl_skb, pid, seq, event, sizeof(*dcb), flags); 2112f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb = NLMSG_DATA(nlh); 2132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->dcb_family = AF_UNSPEC; 2142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->cmd = cmd; 2152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->dcb_pad = 0; 2162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put_u8(dcbnl_skb, attr, value); 2182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 2192f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err; 2202f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2212f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* end the message, assign the nlmsg_len. */ 2222f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlmsg_end(dcbnl_skb, nlh); 2232f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 2242f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 2257eaf5077b37bb33dbd44e569ff88566d6fe286e9John Fastabend return -EINVAL; 2262f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2272f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return 0; 2282f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duycknlmsg_failure: 2292f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr: 230858eb711ba64f8a001d7003295b8078bcab33b6dRoel Kluin kfree_skb(dcbnl_skb); 2312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 2322f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 2332f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2342f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_getstate(struct net_device *netdev, struct nlattr **tb, 2352f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 2362f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 2372f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 2382f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2392f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* if (!tb[DCB_ATTR_STATE] || !netdev->dcbnl_ops->getstate) */ 2402f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!netdev->dcbnl_ops->getstate) 2412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 2422f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2432f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_reply(netdev->dcbnl_ops->getstate(netdev), RTM_GETDCB, 2442f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck DCB_CMD_GSTATE, DCB_ATTR_STATE, pid, seq, flags); 2452f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2462f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 2472f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 2482f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2492f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_getpfccfg(struct net_device *netdev, struct nlattr **tb, 2502f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 2512f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 2522f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct sk_buff *dcbnl_skb; 2532f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlmsghdr *nlh; 2542f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct dcbmsg *dcb; 2552f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *data[DCB_PFC_UP_ATTR_MAX + 1], *nest; 2562f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 value; 2572f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 2582f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int i; 2592f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int getall = 0; 2602f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2612f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!tb[DCB_ATTR_PFC_CFG] || !netdev->dcbnl_ops->getpfccfg) 2622f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 2632f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2642f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_parse_nested(data, DCB_PFC_UP_ATTR_MAX, 2652f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tb[DCB_ATTR_PFC_CFG], 2662f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcbnl_pfc_up_nest); 2672f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 2682f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_out; 2692f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2702f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 2712f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!dcbnl_skb) 2722f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_out; 2732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 2752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2762f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb = NLMSG_DATA(nlh); 2772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->dcb_family = AF_UNSPEC; 2782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->cmd = DCB_CMD_PFC_GCFG; 2792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2802f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nest = nla_nest_start(dcbnl_skb, DCB_ATTR_PFC_CFG); 2812f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!nest) 2822f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err; 2832f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2842f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (data[DCB_PFC_UP_ATTR_ALL]) 2852f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck getall = 1; 2862f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2872f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck for (i = DCB_PFC_UP_ATTR_0; i <= DCB_PFC_UP_ATTR_7; i++) { 2882f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!getall && !data[i]) 2892f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck continue; 2902f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2912f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->getpfccfg(netdev, i - DCB_PFC_UP_ATTR_0, 2922f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck &value); 2932f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put_u8(dcbnl_skb, i, value); 2942f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 2952f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) { 2962f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_nest_cancel(dcbnl_skb, nest); 2972f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err; 2982f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 2992f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 3002f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_nest_end(dcbnl_skb, nest); 3012f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3022f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlmsg_end(dcbnl_skb, nlh); 3032f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3042f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 3052f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 3067eaf5077b37bb33dbd44e569ff88566d6fe286e9John Fastabend goto err_out; 3072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return 0; 3092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duycknlmsg_failure: 3102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr: 311858eb711ba64f8a001d7003295b8078bcab33b6dRoel Kluin kfree_skb(dcbnl_skb); 3122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr_out: 3132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return -EINVAL; 3142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 3152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_getperm_hwaddr(struct net_device *netdev, struct nlattr **tb, 3172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 3182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 3192f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct sk_buff *dcbnl_skb; 3202f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlmsghdr *nlh; 3212f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct dcbmsg *dcb; 3222f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 perm_addr[MAX_ADDR_LEN]; 3232f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 3242f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3252f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!netdev->dcbnl_ops->getpermhwaddr) 3262f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 3272f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3282f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 3292f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!dcbnl_skb) 3302f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_out; 3312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3322f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 3332f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3342f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb = NLMSG_DATA(nlh); 3352f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->dcb_family = AF_UNSPEC; 3362f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->cmd = DCB_CMD_GPERM_HWADDR; 3372f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3382f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->getpermhwaddr(netdev, perm_addr); 3392f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3402f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put(dcbnl_skb, DCB_ATTR_PERM_HWADDR, sizeof(perm_addr), 3412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck perm_addr); 3422f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3432f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlmsg_end(dcbnl_skb, nlh); 3442f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3452f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 3462f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 3477eaf5077b37bb33dbd44e569ff88566d6fe286e9John Fastabend goto err_out; 3482f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3492f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return 0; 3502f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 3512f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duycknlmsg_failure: 352858eb711ba64f8a001d7003295b8078bcab33b6dRoel Kluin kfree_skb(dcbnl_skb); 3532f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr_out: 3542f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return -EINVAL; 3552f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 3562f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 35746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyckstatic int dcbnl_getcap(struct net_device *netdev, struct nlattr **tb, 35846132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck u32 pid, u32 seq, u16 flags) 35946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck{ 36046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck struct sk_buff *dcbnl_skb; 36146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck struct nlmsghdr *nlh; 36246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck struct dcbmsg *dcb; 36346132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck struct nlattr *data[DCB_CAP_ATTR_MAX + 1], *nest; 36446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck u8 value; 36546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck int ret = -EINVAL; 36646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck int i; 36746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck int getall = 0; 36846132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 36946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (!tb[DCB_ATTR_CAP] || !netdev->dcbnl_ops->getcap) 37046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck return ret; 37146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 37246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck ret = nla_parse_nested(data, DCB_CAP_ATTR_MAX, tb[DCB_ATTR_CAP], 37346132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck dcbnl_cap_nest); 37446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (ret) 37546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck goto err_out; 37646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 37746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 37846132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (!dcbnl_skb) 37946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck goto err_out; 38046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 38146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 38246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 38346132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck dcb = NLMSG_DATA(nlh); 38446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck dcb->dcb_family = AF_UNSPEC; 38546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck dcb->cmd = DCB_CMD_GCAP; 38646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 38746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck nest = nla_nest_start(dcbnl_skb, DCB_ATTR_CAP); 38846132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (!nest) 38946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck goto err; 39046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 39146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (data[DCB_CAP_ATTR_ALL]) 39246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck getall = 1; 39346132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 39446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck for (i = DCB_CAP_ATTR_ALL+1; i <= DCB_CAP_ATTR_MAX; i++) { 39546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (!getall && !data[i]) 39646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck continue; 39746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 39846132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (!netdev->dcbnl_ops->getcap(netdev, i, &value)) { 39946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck ret = nla_put_u8(dcbnl_skb, i, value); 40046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 40146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (ret) { 40246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck nla_nest_cancel(dcbnl_skb, nest); 40346132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck goto err; 40446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck } 40546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck } 40646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck } 40746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck nla_nest_end(dcbnl_skb, nest); 40846132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 40946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck nlmsg_end(dcbnl_skb, nlh); 41046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 41146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 41246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck if (ret) 4137eaf5077b37bb33dbd44e569ff88566d6fe286e9John Fastabend goto err_out; 41446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 41546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck return 0; 41646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duycknlmsg_failure: 41746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyckerr: 418858eb711ba64f8a001d7003295b8078bcab33b6dRoel Kluin kfree_skb(dcbnl_skb); 41946132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyckerr_out: 42046132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck return -EINVAL; 42146132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck} 42246132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck 42333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyckstatic int dcbnl_getnumtcs(struct net_device *netdev, struct nlattr **tb, 42433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck u32 pid, u32 seq, u16 flags) 42533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck{ 42633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck struct sk_buff *dcbnl_skb; 42733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck struct nlmsghdr *nlh; 42833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck struct dcbmsg *dcb; 42933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck struct nlattr *data[DCB_NUMTCS_ATTR_MAX + 1], *nest; 43033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck u8 value; 43133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck int ret = -EINVAL; 43233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck int i; 43333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck int getall = 0; 43433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 43533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (!tb[DCB_ATTR_NUMTCS] || !netdev->dcbnl_ops->getnumtcs) 43633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck return ret; 43733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 43833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = nla_parse_nested(data, DCB_NUMTCS_ATTR_MAX, tb[DCB_ATTR_NUMTCS], 43933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck dcbnl_numtcs_nest); 44033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (ret) { 44133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = -EINVAL; 44233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto err_out; 44333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 44433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 44533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 44633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (!dcbnl_skb) { 44733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = -EINVAL; 44833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto err_out; 44933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 45033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 45133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 45233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 45333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck dcb = NLMSG_DATA(nlh); 45433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck dcb->dcb_family = AF_UNSPEC; 45533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck dcb->cmd = DCB_CMD_GNUMTCS; 45633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 45733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck nest = nla_nest_start(dcbnl_skb, DCB_ATTR_NUMTCS); 45833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (!nest) { 45933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = -EINVAL; 46033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto err; 46133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 46233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 46333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (data[DCB_NUMTCS_ATTR_ALL]) 46433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck getall = 1; 46533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 46633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck for (i = DCB_NUMTCS_ATTR_ALL+1; i <= DCB_NUMTCS_ATTR_MAX; i++) { 46733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (!getall && !data[i]) 46833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck continue; 46933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 47033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = netdev->dcbnl_ops->getnumtcs(netdev, i, &value); 47133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (!ret) { 47233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = nla_put_u8(dcbnl_skb, i, value); 47333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 47433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (ret) { 47533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck nla_nest_cancel(dcbnl_skb, nest); 47633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = -EINVAL; 47733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto err; 47833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 47933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } else { 48033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto err; 48133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 48233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 48333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck nla_nest_end(dcbnl_skb, nest); 48433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 48533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck nlmsg_end(dcbnl_skb, nlh); 48633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 48733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 48833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (ret) { 48933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = -EINVAL; 4907eaf5077b37bb33dbd44e569ff88566d6fe286e9John Fastabend goto err_out; 49133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 49233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 49333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck return 0; 49433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duycknlmsg_failure: 49533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyckerr: 496858eb711ba64f8a001d7003295b8078bcab33b6dRoel Kluin kfree_skb(dcbnl_skb); 49733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyckerr_out: 49833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck return ret; 49933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck} 50033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 50133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyckstatic int dcbnl_setnumtcs(struct net_device *netdev, struct nlattr **tb, 50233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck u32 pid, u32 seq, u16 flags) 50333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck{ 50433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck struct nlattr *data[DCB_NUMTCS_ATTR_MAX + 1]; 50533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck int ret = -EINVAL; 50633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck u8 value; 50733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck int i; 50833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 5098b124a8e14c04378466ddfe63e41fc5035f957ebDon Skidmore if (!tb[DCB_ATTR_NUMTCS] || !netdev->dcbnl_ops->setnumtcs) 51033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck return ret; 51133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 51233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = nla_parse_nested(data, DCB_NUMTCS_ATTR_MAX, tb[DCB_ATTR_NUMTCS], 51333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck dcbnl_numtcs_nest); 51433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 51533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (ret) { 51633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = -EINVAL; 51733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto err; 51833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 51933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 52033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck for (i = DCB_NUMTCS_ATTR_ALL+1; i <= DCB_NUMTCS_ATTR_MAX; i++) { 52133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (data[i] == NULL) 52233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck continue; 52333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 52433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck value = nla_get_u8(data[i]); 52533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 52633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = netdev->dcbnl_ops->setnumtcs(netdev, i, value); 52733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 52833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck if (ret) 52933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto operr; 53033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck } 53133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 53233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyckoperr: 53333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = dcbnl_reply(!!ret, RTM_SETDCB, DCB_CMD_SNUMTCS, 53433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck DCB_ATTR_NUMTCS, pid, seq, flags); 53533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 53633dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyckerr: 53733dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck return ret; 53833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck} 53933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck 5400eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyckstatic int dcbnl_getpfcstate(struct net_device *netdev, struct nlattr **tb, 5410eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck u32 pid, u32 seq, u16 flags) 5420eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck{ 5430eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck int ret = -EINVAL; 5440eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5450eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck if (!netdev->dcbnl_ops->getpfcstate) 5460eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck return ret; 5470eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5480eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck ret = dcbnl_reply(netdev->dcbnl_ops->getpfcstate(netdev), RTM_GETDCB, 5490eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck DCB_CMD_PFC_GSTATE, DCB_ATTR_PFC_STATE, 5500eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck pid, seq, flags); 5510eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5520eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck return ret; 5530eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck} 5540eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5550eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyckstatic int dcbnl_setpfcstate(struct net_device *netdev, struct nlattr **tb, 5560eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck u32 pid, u32 seq, u16 flags) 5570eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck{ 5580eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck int ret = -EINVAL; 5590eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck u8 value; 5600eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5610eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck if (!tb[DCB_ATTR_PFC_STATE] || !netdev->dcbnl_ops->setpfcstate) 5620eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck return ret; 5630eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5640eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck value = nla_get_u8(tb[DCB_ATTR_PFC_STATE]); 5650eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5660eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck netdev->dcbnl_ops->setpfcstate(netdev, value); 5670eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5680eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck ret = dcbnl_reply(0, RTM_SETDCB, DCB_CMD_PFC_SSTATE, DCB_ATTR_PFC_STATE, 5690eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck pid, seq, flags); 5700eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 5710eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck return ret; 5720eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck} 5730eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck 574579496865cf4ea429146382d62047ffdbaab0deeYi Zoustatic int dcbnl_getapp(struct net_device *netdev, struct nlattr **tb, 575579496865cf4ea429146382d62047ffdbaab0deeYi Zou u32 pid, u32 seq, u16 flags) 576579496865cf4ea429146382d62047ffdbaab0deeYi Zou{ 577579496865cf4ea429146382d62047ffdbaab0deeYi Zou struct sk_buff *dcbnl_skb; 578579496865cf4ea429146382d62047ffdbaab0deeYi Zou struct nlmsghdr *nlh; 579579496865cf4ea429146382d62047ffdbaab0deeYi Zou struct dcbmsg *dcb; 580579496865cf4ea429146382d62047ffdbaab0deeYi Zou struct nlattr *app_nest; 581579496865cf4ea429146382d62047ffdbaab0deeYi Zou struct nlattr *app_tb[DCB_APP_ATTR_MAX + 1]; 582579496865cf4ea429146382d62047ffdbaab0deeYi Zou u16 id; 583579496865cf4ea429146382d62047ffdbaab0deeYi Zou u8 up, idtype; 584579496865cf4ea429146382d62047ffdbaab0deeYi Zou int ret = -EINVAL; 585579496865cf4ea429146382d62047ffdbaab0deeYi Zou 5863dce38a02d6370dca690cd923619d4b00024b723John Fastabend if (!tb[DCB_ATTR_APP]) 587579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 588579496865cf4ea429146382d62047ffdbaab0deeYi Zou 589579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = nla_parse_nested(app_tb, DCB_APP_ATTR_MAX, tb[DCB_ATTR_APP], 590579496865cf4ea429146382d62047ffdbaab0deeYi Zou dcbnl_app_nest); 591579496865cf4ea429146382d62047ffdbaab0deeYi Zou if (ret) 592579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 593579496865cf4ea429146382d62047ffdbaab0deeYi Zou 594579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = -EINVAL; 595579496865cf4ea429146382d62047ffdbaab0deeYi Zou /* all must be non-null */ 596579496865cf4ea429146382d62047ffdbaab0deeYi Zou if ((!app_tb[DCB_APP_ATTR_IDTYPE]) || 597579496865cf4ea429146382d62047ffdbaab0deeYi Zou (!app_tb[DCB_APP_ATTR_ID])) 598579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 599579496865cf4ea429146382d62047ffdbaab0deeYi Zou 600579496865cf4ea429146382d62047ffdbaab0deeYi Zou /* either by eth type or by socket number */ 601579496865cf4ea429146382d62047ffdbaab0deeYi Zou idtype = nla_get_u8(app_tb[DCB_APP_ATTR_IDTYPE]); 602579496865cf4ea429146382d62047ffdbaab0deeYi Zou if ((idtype != DCB_APP_IDTYPE_ETHTYPE) && 603579496865cf4ea429146382d62047ffdbaab0deeYi Zou (idtype != DCB_APP_IDTYPE_PORTNUM)) 604579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 605579496865cf4ea429146382d62047ffdbaab0deeYi Zou 606579496865cf4ea429146382d62047ffdbaab0deeYi Zou id = nla_get_u16(app_tb[DCB_APP_ATTR_ID]); 6073dce38a02d6370dca690cd923619d4b00024b723John Fastabend 6083dce38a02d6370dca690cd923619d4b00024b723John Fastabend if (netdev->dcbnl_ops->getapp) { 6093dce38a02d6370dca690cd923619d4b00024b723John Fastabend up = netdev->dcbnl_ops->getapp(netdev, idtype, id); 6103dce38a02d6370dca690cd923619d4b00024b723John Fastabend } else { 6113dce38a02d6370dca690cd923619d4b00024b723John Fastabend struct dcb_app app = { 6123dce38a02d6370dca690cd923619d4b00024b723John Fastabend .selector = idtype, 6133dce38a02d6370dca690cd923619d4b00024b723John Fastabend .protocol = id, 6143dce38a02d6370dca690cd923619d4b00024b723John Fastabend }; 6153dce38a02d6370dca690cd923619d4b00024b723John Fastabend up = dcb_getapp(netdev, &app); 6163dce38a02d6370dca690cd923619d4b00024b723John Fastabend } 617579496865cf4ea429146382d62047ffdbaab0deeYi Zou 618579496865cf4ea429146382d62047ffdbaab0deeYi Zou /* send this back */ 619579496865cf4ea429146382d62047ffdbaab0deeYi Zou dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 620579496865cf4ea429146382d62047ffdbaab0deeYi Zou if (!dcbnl_skb) 621579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 622579496865cf4ea429146382d62047ffdbaab0deeYi Zou 623579496865cf4ea429146382d62047ffdbaab0deeYi Zou nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 624579496865cf4ea429146382d62047ffdbaab0deeYi Zou dcb = NLMSG_DATA(nlh); 625579496865cf4ea429146382d62047ffdbaab0deeYi Zou dcb->dcb_family = AF_UNSPEC; 626579496865cf4ea429146382d62047ffdbaab0deeYi Zou dcb->cmd = DCB_CMD_GAPP; 627579496865cf4ea429146382d62047ffdbaab0deeYi Zou 628579496865cf4ea429146382d62047ffdbaab0deeYi Zou app_nest = nla_nest_start(dcbnl_skb, DCB_ATTR_APP); 629579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = nla_put_u8(dcbnl_skb, DCB_APP_ATTR_IDTYPE, idtype); 630579496865cf4ea429146382d62047ffdbaab0deeYi Zou if (ret) 631579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out_cancel; 632579496865cf4ea429146382d62047ffdbaab0deeYi Zou 633579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = nla_put_u16(dcbnl_skb, DCB_APP_ATTR_ID, id); 634579496865cf4ea429146382d62047ffdbaab0deeYi Zou if (ret) 635579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out_cancel; 636579496865cf4ea429146382d62047ffdbaab0deeYi Zou 637579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = nla_put_u8(dcbnl_skb, DCB_APP_ATTR_PRIORITY, up); 638579496865cf4ea429146382d62047ffdbaab0deeYi Zou if (ret) 639579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out_cancel; 640579496865cf4ea429146382d62047ffdbaab0deeYi Zou 641579496865cf4ea429146382d62047ffdbaab0deeYi Zou nla_nest_end(dcbnl_skb, app_nest); 642579496865cf4ea429146382d62047ffdbaab0deeYi Zou nlmsg_end(dcbnl_skb, nlh); 643579496865cf4ea429146382d62047ffdbaab0deeYi Zou 644579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 645579496865cf4ea429146382d62047ffdbaab0deeYi Zou if (ret) 646579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto nlmsg_failure; 647579496865cf4ea429146382d62047ffdbaab0deeYi Zou 648579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 649579496865cf4ea429146382d62047ffdbaab0deeYi Zou 650579496865cf4ea429146382d62047ffdbaab0deeYi Zouout_cancel: 651579496865cf4ea429146382d62047ffdbaab0deeYi Zou nla_nest_cancel(dcbnl_skb, app_nest); 652579496865cf4ea429146382d62047ffdbaab0deeYi Zounlmsg_failure: 653579496865cf4ea429146382d62047ffdbaab0deeYi Zou kfree_skb(dcbnl_skb); 654579496865cf4ea429146382d62047ffdbaab0deeYi Zouout: 655579496865cf4ea429146382d62047ffdbaab0deeYi Zou return ret; 656579496865cf4ea429146382d62047ffdbaab0deeYi Zou} 657579496865cf4ea429146382d62047ffdbaab0deeYi Zou 658579496865cf4ea429146382d62047ffdbaab0deeYi Zoustatic int dcbnl_setapp(struct net_device *netdev, struct nlattr **tb, 659579496865cf4ea429146382d62047ffdbaab0deeYi Zou u32 pid, u32 seq, u16 flags) 660579496865cf4ea429146382d62047ffdbaab0deeYi Zou{ 6619ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend int err, ret = -EINVAL; 662579496865cf4ea429146382d62047ffdbaab0deeYi Zou u16 id; 663579496865cf4ea429146382d62047ffdbaab0deeYi Zou u8 up, idtype; 664579496865cf4ea429146382d62047ffdbaab0deeYi Zou struct nlattr *app_tb[DCB_APP_ATTR_MAX + 1]; 665579496865cf4ea429146382d62047ffdbaab0deeYi Zou 6669ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (!tb[DCB_ATTR_APP]) 667579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 668579496865cf4ea429146382d62047ffdbaab0deeYi Zou 669579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = nla_parse_nested(app_tb, DCB_APP_ATTR_MAX, tb[DCB_ATTR_APP], 670579496865cf4ea429146382d62047ffdbaab0deeYi Zou dcbnl_app_nest); 671579496865cf4ea429146382d62047ffdbaab0deeYi Zou if (ret) 672579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 673579496865cf4ea429146382d62047ffdbaab0deeYi Zou 674579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = -EINVAL; 675579496865cf4ea429146382d62047ffdbaab0deeYi Zou /* all must be non-null */ 676579496865cf4ea429146382d62047ffdbaab0deeYi Zou if ((!app_tb[DCB_APP_ATTR_IDTYPE]) || 677579496865cf4ea429146382d62047ffdbaab0deeYi Zou (!app_tb[DCB_APP_ATTR_ID]) || 678579496865cf4ea429146382d62047ffdbaab0deeYi Zou (!app_tb[DCB_APP_ATTR_PRIORITY])) 679579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 680579496865cf4ea429146382d62047ffdbaab0deeYi Zou 681579496865cf4ea429146382d62047ffdbaab0deeYi Zou /* either by eth type or by socket number */ 682579496865cf4ea429146382d62047ffdbaab0deeYi Zou idtype = nla_get_u8(app_tb[DCB_APP_ATTR_IDTYPE]); 683579496865cf4ea429146382d62047ffdbaab0deeYi Zou if ((idtype != DCB_APP_IDTYPE_ETHTYPE) && 684579496865cf4ea429146382d62047ffdbaab0deeYi Zou (idtype != DCB_APP_IDTYPE_PORTNUM)) 685579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 686579496865cf4ea429146382d62047ffdbaab0deeYi Zou 687579496865cf4ea429146382d62047ffdbaab0deeYi Zou id = nla_get_u16(app_tb[DCB_APP_ATTR_ID]); 688579496865cf4ea429146382d62047ffdbaab0deeYi Zou up = nla_get_u8(app_tb[DCB_APP_ATTR_PRIORITY]); 689579496865cf4ea429146382d62047ffdbaab0deeYi Zou 6909ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (netdev->dcbnl_ops->setapp) { 6919ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend err = netdev->dcbnl_ops->setapp(netdev, idtype, id, up); 6929ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } else { 6939ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend struct dcb_app app; 6949ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend app.selector = idtype; 6959ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend app.protocol = id; 6969ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend app.priority = up; 6979ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend err = dcb_setapp(netdev, &app); 6989ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 6999ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 7009ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend ret = dcbnl_reply(err, RTM_SETDCB, DCB_CMD_SAPP, DCB_ATTR_APP, 7019ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend pid, seq, flags); 702579496865cf4ea429146382d62047ffdbaab0deeYi Zouout: 703579496865cf4ea429146382d62047ffdbaab0deeYi Zou return ret; 704579496865cf4ea429146382d62047ffdbaab0deeYi Zou} 705579496865cf4ea429146382d62047ffdbaab0deeYi Zou 7062f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int __dcbnl_pg_getcfg(struct net_device *netdev, struct nlattr **tb, 7072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags, int dir) 7082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 7092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct sk_buff *dcbnl_skb; 7102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlmsghdr *nlh; 7112f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct dcbmsg *dcb; 7122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *pg_nest, *param_nest, *data; 7132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *pg_tb[DCB_PG_ATTR_MAX + 1]; 7142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *param_tb[DCB_TC_ATTR_PARAM_MAX + 1]; 7152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 prio, pgid, tc_pct, up_map; 7162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 7172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int getall = 0; 7182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int i; 7192f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7202f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!tb[DCB_ATTR_PG_CFG] || 7212f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->getpgtccfgtx || 7222f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->getpgtccfgrx || 7232f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->getpgbwgcfgtx || 7242f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->getpgbwgcfgrx) 7252f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 7262f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7272f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_parse_nested(pg_tb, DCB_PG_ATTR_MAX, 7282f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tb[DCB_ATTR_PG_CFG], dcbnl_pg_nest); 7292f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7302f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 7312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_out; 7322f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7332f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 7342f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!dcbnl_skb) 7352f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_out; 7362f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7372f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 7382f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7392f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb = NLMSG_DATA(nlh); 7402f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->dcb_family = AF_UNSPEC; 7412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcb->cmd = (dir) ? DCB_CMD_PGRX_GCFG : DCB_CMD_PGTX_GCFG; 7422f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7432f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck pg_nest = nla_nest_start(dcbnl_skb, DCB_ATTR_PG_CFG); 7442f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!pg_nest) 7452f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err; 7462f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7472f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (pg_tb[DCB_PG_ATTR_TC_ALL]) 7482f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck getall = 1; 7492f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7502f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck for (i = DCB_PG_ATTR_TC_0; i <= DCB_PG_ATTR_TC_7; i++) { 7512f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!getall && !pg_tb[i]) 7522f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck continue; 7532f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7542f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (pg_tb[DCB_PG_ATTR_TC_ALL]) 7552f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck data = pg_tb[DCB_PG_ATTR_TC_ALL]; 7562f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck else 7572f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck data = pg_tb[i]; 7582f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_parse_nested(param_tb, DCB_TC_ATTR_PARAM_MAX, 7592f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck data, dcbnl_tc_param_nest); 7602f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 7612f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_pg; 7622f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7632f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck param_nest = nla_nest_start(dcbnl_skb, i); 7642f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!param_nest) 7652f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_pg; 7662f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7672f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck pgid = DCB_ATTR_VALUE_UNDEFINED; 7682f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck prio = DCB_ATTR_VALUE_UNDEFINED; 7692f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tc_pct = DCB_ATTR_VALUE_UNDEFINED; 7702f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck up_map = DCB_ATTR_VALUE_UNDEFINED; 7712f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7722f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (dir) { 7732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Rx */ 7742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->getpgtccfgrx(netdev, 7752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_TC_0, &prio, 7762f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck &pgid, &tc_pct, &up_map); 7772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } else { 7782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Tx */ 7792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->getpgtccfgtx(netdev, 7802f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_TC_0, &prio, 7812f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck &pgid, &tc_pct, &up_map); 7822f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 7832f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 7842f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_PGID] || 7852f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck param_tb[DCB_TC_ATTR_PARAM_ALL]) { 7862f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put_u8(dcbnl_skb, 7872f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck DCB_TC_ATTR_PARAM_PGID, pgid); 7882f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 7892f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_param; 7902f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 7912f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_UP_MAPPING] || 7922f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck param_tb[DCB_TC_ATTR_PARAM_ALL]) { 7932f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put_u8(dcbnl_skb, 7942f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck DCB_TC_ATTR_PARAM_UP_MAPPING, up_map); 7952f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 7962f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_param; 7972f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 7982f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_STRICT_PRIO] || 7992f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck param_tb[DCB_TC_ATTR_PARAM_ALL]) { 8002f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put_u8(dcbnl_skb, 8012f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck DCB_TC_ATTR_PARAM_STRICT_PRIO, prio); 8022f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 8032f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_param; 8042f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 8052f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_BW_PCT] || 8062f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck param_tb[DCB_TC_ATTR_PARAM_ALL]) { 8072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put_u8(dcbnl_skb, DCB_TC_ATTR_PARAM_BW_PCT, 8082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tc_pct); 8092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 8102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_param; 8112f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 8122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_nest_end(dcbnl_skb, param_nest); 8132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 8142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (pg_tb[DCB_PG_ATTR_BW_ID_ALL]) 8162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck getall = 1; 8172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck else 8182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck getall = 0; 8192f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8202f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck for (i = DCB_PG_ATTR_BW_ID_0; i <= DCB_PG_ATTR_BW_ID_7; i++) { 8212f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!getall && !pg_tb[i]) 8222f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck continue; 8232f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8242f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tc_pct = DCB_ATTR_VALUE_UNDEFINED; 8252f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8262f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (dir) { 8272f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Rx */ 8282f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->getpgbwgcfgrx(netdev, 8292f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_BW_ID_0, &tc_pct); 8302f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } else { 8312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Tx */ 8322f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->getpgbwgcfgtx(netdev, 8332f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_BW_ID_0, &tc_pct); 8342f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 8352f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_put_u8(dcbnl_skb, i, tc_pct); 8362f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8372f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 8382f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err_pg; 8392f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 8402f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_nest_end(dcbnl_skb, pg_nest); 8422f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8432f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlmsg_end(dcbnl_skb, nlh); 8442f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8452f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 8462f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 8477eaf5077b37bb33dbd44e569ff88566d6fe286e9John Fastabend goto err_out; 8482f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8492f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return 0; 8502f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8512f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr_param: 8522f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_nest_cancel(dcbnl_skb, param_nest); 8532f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr_pg: 8542f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_nest_cancel(dcbnl_skb, pg_nest); 8552f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duycknlmsg_failure: 8562f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr: 857858eb711ba64f8a001d7003295b8078bcab33b6dRoel Kluin kfree_skb(dcbnl_skb); 8582f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr_out: 8592f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = -EINVAL; 8602f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 8612f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 8622f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8632f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_pgtx_getcfg(struct net_device *netdev, struct nlattr **tb, 8642f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 8652f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 8662f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return __dcbnl_pg_getcfg(netdev, tb, pid, seq, flags, 0); 8672f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 8682f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8692f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_pgrx_getcfg(struct net_device *netdev, struct nlattr **tb, 8702f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 8712f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 8722f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return __dcbnl_pg_getcfg(netdev, tb, pid, seq, flags, 1); 8732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 8742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_setstate(struct net_device *netdev, struct nlattr **tb, 8762f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 8772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 8782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 8792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 value; 8802f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8812f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!tb[DCB_ATTR_STATE] || !netdev->dcbnl_ops->setstate) 8822f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 8832f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8842f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck value = nla_get_u8(tb[DCB_ATTR_STATE]); 8852f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8861486a61ebcd2711532f8163d30babc40e11e7b40Don Skidmore ret = dcbnl_reply(netdev->dcbnl_ops->setstate(netdev, value), 8871486a61ebcd2711532f8163d30babc40e11e7b40Don Skidmore RTM_SETDCB, DCB_CMD_SSTATE, DCB_ATTR_STATE, 8882f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck pid, seq, flags); 8892f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8902f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 8912f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 8922f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 8932f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_setpfccfg(struct net_device *netdev, struct nlattr **tb, 8942f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 8952f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 8962f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *data[DCB_PFC_UP_ATTR_MAX + 1]; 8972f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int i; 8982f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 8992f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 value; 9002f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9012f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!tb[DCB_ATTR_PFC_CFG] || !netdev->dcbnl_ops->setpfccfg) 9022f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 9032f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9042f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_parse_nested(data, DCB_PFC_UP_ATTR_MAX, 9052f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tb[DCB_ATTR_PFC_CFG], 9062f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcbnl_pfc_up_nest); 9072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 9082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err; 9092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck for (i = DCB_PFC_UP_ATTR_0; i <= DCB_PFC_UP_ATTR_7; i++) { 9112f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (data[i] == NULL) 9122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck continue; 9132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck value = nla_get_u8(data[i]); 9142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->setpfccfg(netdev, 9152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck data[i]->nla_type - DCB_PFC_UP_ATTR_0, value); 9162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 9172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_reply(0, RTM_SETDCB, DCB_CMD_PFC_SCFG, DCB_ATTR_PFC_CFG, 9192f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck pid, seq, flags); 9202f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr: 9212f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 9222f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 9232f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9242f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_setall(struct net_device *netdev, struct nlattr **tb, 9252f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 9262f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 9272f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 9282f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9292f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!tb[DCB_ATTR_SET_ALL] || !netdev->dcbnl_ops->setall) 9302f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 9312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9322f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_reply(netdev->dcbnl_ops->setall(netdev), RTM_SETDCB, 9332f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck DCB_CMD_SET_ALL, DCB_ATTR_SET_ALL, pid, seq, flags); 9342f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9352f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 9362f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 9372f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9382f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int __dcbnl_pg_setcfg(struct net_device *netdev, struct nlattr **tb, 9392f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags, int dir) 9402f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 9412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *pg_tb[DCB_PG_ATTR_MAX + 1]; 9422f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *param_tb[DCB_TC_ATTR_PARAM_MAX + 1]; 9432f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 9442f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int i; 9452f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 pgid; 9462f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 up_map; 9472f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 prio; 9482f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u8 tc_pct; 9492f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9502f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!tb[DCB_ATTR_PG_CFG] || 9512f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->setpgtccfgtx || 9522f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->setpgtccfgrx || 9532f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->setpgbwgcfgtx || 9542f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck !netdev->dcbnl_ops->setpgbwgcfgrx) 9552f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 9562f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9572f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_parse_nested(pg_tb, DCB_PG_ATTR_MAX, 9582f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tb[DCB_ATTR_PG_CFG], dcbnl_pg_nest); 9592f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 9602f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err; 9612f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9622f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck for (i = DCB_PG_ATTR_TC_0; i <= DCB_PG_ATTR_TC_7; i++) { 9632f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!pg_tb[i]) 9642f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck continue; 9652f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9662f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nla_parse_nested(param_tb, DCB_TC_ATTR_PARAM_MAX, 9672f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck pg_tb[i], dcbnl_tc_param_nest); 9682f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret) 9692f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto err; 9702f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9712f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck pgid = DCB_ATTR_VALUE_UNDEFINED; 9722f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck prio = DCB_ATTR_VALUE_UNDEFINED; 9732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tc_pct = DCB_ATTR_VALUE_UNDEFINED; 9742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck up_map = DCB_ATTR_VALUE_UNDEFINED; 9752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9762f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_STRICT_PRIO]) 9772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck prio = 9782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_get_u8(param_tb[DCB_TC_ATTR_PARAM_STRICT_PRIO]); 9792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9802f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_PGID]) 9812f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck pgid = nla_get_u8(param_tb[DCB_TC_ATTR_PARAM_PGID]); 9822f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9832f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_BW_PCT]) 9842f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tc_pct = nla_get_u8(param_tb[DCB_TC_ATTR_PARAM_BW_PCT]); 9852f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9862f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (param_tb[DCB_TC_ATTR_PARAM_UP_MAPPING]) 9872f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck up_map = 9882f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nla_get_u8(param_tb[DCB_TC_ATTR_PARAM_UP_MAPPING]); 9892f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 9902f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* dir: Tx = 0, Rx = 1 */ 9912f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (dir) { 9922f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Rx */ 9932f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->setpgtccfgrx(netdev, 9942f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_TC_0, 9952f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck prio, pgid, tc_pct, up_map); 9962f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } else { 9972f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Tx */ 9982f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->setpgtccfgtx(netdev, 9992f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_TC_0, 10002f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck prio, pgid, tc_pct, up_map); 10012f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 10022f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 10032f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 10042f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck for (i = DCB_PG_ATTR_BW_ID_0; i <= DCB_PG_ATTR_BW_ID_7; i++) { 10052f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!pg_tb[i]) 10062f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck continue; 10072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 10082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck tc_pct = nla_get_u8(pg_tb[i]); 10092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 10102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* dir: Tx = 0, Rx = 1 */ 10112f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (dir) { 10122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Rx */ 10132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->setpgbwgcfgrx(netdev, 10142f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_BW_ID_0, tc_pct); 10152f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } else { 10162f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck /* Tx */ 10172f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev->dcbnl_ops->setpgbwgcfgtx(netdev, 10182f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck i - DCB_PG_ATTR_BW_ID_0, tc_pct); 10192f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 10202f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 10212f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 10222f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_reply(0, RTM_SETDCB, 10232f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck (dir ? DCB_CMD_PGRX_SCFG : DCB_CMD_PGTX_SCFG), 10242f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck DCB_ATTR_PG_CFG, pid, seq, flags); 10252f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 10262f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerr: 10272f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 10282f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 10292f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 10302f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_pgtx_setcfg(struct net_device *netdev, struct nlattr **tb, 10312f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 10322f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 10332f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return __dcbnl_pg_setcfg(netdev, tb, pid, seq, flags, 0); 10342f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 10352f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 10362f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcbnl_pgrx_setcfg(struct net_device *netdev, struct nlattr **tb, 10372f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid, u32 seq, u16 flags) 10382f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 10392f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return __dcbnl_pg_setcfg(netdev, tb, pid, seq, flags, 1); 10402f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 10412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 1042859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyckstatic int dcbnl_bcn_getcfg(struct net_device *netdev, struct nlattr **tb, 1043859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck u32 pid, u32 seq, u16 flags) 1044859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck{ 1045859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck struct sk_buff *dcbnl_skb; 1046859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck struct nlmsghdr *nlh; 1047859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck struct dcbmsg *dcb; 1048859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck struct nlattr *bcn_nest; 1049859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck struct nlattr *bcn_tb[DCB_BCN_ATTR_MAX + 1]; 1050859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck u8 value_byte; 1051859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck u32 value_integer; 1052859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck int ret = -EINVAL; 1053859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck bool getall = false; 1054859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck int i; 1055859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1056859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (!tb[DCB_ATTR_BCN] || !netdev->dcbnl_ops->getbcnrp || 1057859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck !netdev->dcbnl_ops->getbcncfg) 1058859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck return ret; 1059859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1060859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = nla_parse_nested(bcn_tb, DCB_BCN_ATTR_MAX, 1061859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck tb[DCB_ATTR_BCN], dcbnl_bcn_nest); 1062859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1063859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (ret) 1064859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto err_out; 1065859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1066859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 1067859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (!dcbnl_skb) 1068859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto err_out; 1069859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1070859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 1071859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1072859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck dcb = NLMSG_DATA(nlh); 1073859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck dcb->dcb_family = AF_UNSPEC; 1074859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck dcb->cmd = DCB_CMD_BCN_GCFG; 1075859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1076859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck bcn_nest = nla_nest_start(dcbnl_skb, DCB_ATTR_BCN); 1077859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (!bcn_nest) 1078859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto err; 1079859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1080859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (bcn_tb[DCB_BCN_ATTR_ALL]) 1081859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck getall = true; 1082859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1083859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck for (i = DCB_BCN_ATTR_RP_0; i <= DCB_BCN_ATTR_RP_7; i++) { 1084859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (!getall && !bcn_tb[i]) 1085859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck continue; 1086859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1087859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck netdev->dcbnl_ops->getbcnrp(netdev, i - DCB_BCN_ATTR_RP_0, 1088859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck &value_byte); 1089859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = nla_put_u8(dcbnl_skb, i, value_byte); 1090859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (ret) 1091859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto err_bcn; 1092859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck } 1093859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1094f4314e815e87b4ab1c9b1115dd5853cd20ca999cDon Skidmore for (i = DCB_BCN_ATTR_BCNA_0; i <= DCB_BCN_ATTR_RI; i++) { 1095859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (!getall && !bcn_tb[i]) 1096859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck continue; 1097859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1098859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck netdev->dcbnl_ops->getbcncfg(netdev, i, 1099859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck &value_integer); 1100859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = nla_put_u32(dcbnl_skb, i, value_integer); 1101859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (ret) 1102859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto err_bcn; 1103859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck } 1104859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1105859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck nla_nest_end(dcbnl_skb, bcn_nest); 1106859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1107859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck nlmsg_end(dcbnl_skb, nlh); 1108859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1109859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = rtnl_unicast(dcbnl_skb, &init_net, pid); 1110859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (ret) 11117eaf5077b37bb33dbd44e569ff88566d6fe286e9John Fastabend goto err_out; 1112859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1113859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck return 0; 1114859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1115859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyckerr_bcn: 1116859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck nla_nest_cancel(dcbnl_skb, bcn_nest); 1117859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duycknlmsg_failure: 1118859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyckerr: 1119858eb711ba64f8a001d7003295b8078bcab33b6dRoel Kluin kfree_skb(dcbnl_skb); 1120859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyckerr_out: 1121859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = -EINVAL; 1122859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck return ret; 1123859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck} 1124859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1125859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyckstatic int dcbnl_bcn_setcfg(struct net_device *netdev, struct nlattr **tb, 1126859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck u32 pid, u32 seq, u16 flags) 1127859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck{ 1128859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck struct nlattr *data[DCB_BCN_ATTR_MAX + 1]; 1129859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck int i; 1130859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck int ret = -EINVAL; 1131859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck u8 value_byte; 1132859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck u32 value_int; 1133859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1134f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (!tb[DCB_ATTR_BCN] || !netdev->dcbnl_ops->setbcncfg || 1135f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches !netdev->dcbnl_ops->setbcnrp) 1136859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck return ret; 1137859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1138859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = nla_parse_nested(data, DCB_BCN_ATTR_MAX, 1139859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck tb[DCB_ATTR_BCN], 1140859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck dcbnl_pfc_up_nest); 1141859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (ret) 1142859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto err; 1143859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1144859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck for (i = DCB_BCN_ATTR_RP_0; i <= DCB_BCN_ATTR_RP_7; i++) { 1145859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (data[i] == NULL) 1146859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck continue; 1147859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck value_byte = nla_get_u8(data[i]); 1148859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck netdev->dcbnl_ops->setbcnrp(netdev, 1149859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck data[i]->nla_type - DCB_BCN_ATTR_RP_0, value_byte); 1150859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck } 1151859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1152f4314e815e87b4ab1c9b1115dd5853cd20ca999cDon Skidmore for (i = DCB_BCN_ATTR_BCNA_0; i <= DCB_BCN_ATTR_RI; i++) { 1153859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck if (data[i] == NULL) 1154859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck continue; 1155859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck value_int = nla_get_u32(data[i]); 1156859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck netdev->dcbnl_ops->setbcncfg(netdev, 1157859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck i, value_int); 1158859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck } 1159859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 1160859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = dcbnl_reply(0, RTM_SETDCB, DCB_CMD_BCN_SCFG, DCB_ATTR_BCN, 1161859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck pid, seq, flags); 1162859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyckerr: 1163859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck return ret; 1164859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck} 1165859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck 11663e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend/* Handle IEEE 802.1Qaz SET commands. If any requested operation can not 11673e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend * be completed the entire msg is aborted and error value is returned. 11683e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend * No attempt is made to reconcile the case where only part of the 11693e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend * cmd can be completed. 11703e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend */ 11713e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabendstatic int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb, 11723e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend u32 pid, u32 seq, u16 flags) 11733e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend{ 11743e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops; 11753e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1]; 11763e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend int err = -EOPNOTSUPP; 11773e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 11783e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (!ops) 11793e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto err; 11803e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 11813e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX, 11823e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend tb[DCB_ATTR_IEEE], dcbnl_ieee_policy); 11833e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (err) 11843e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto err; 11853e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 11863e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (ieee[DCB_ATTR_IEEE_ETS] && ops->ieee_setets) { 11873e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct ieee_ets *ets = nla_data(ieee[DCB_ATTR_IEEE_ETS]); 11883e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend err = ops->ieee_setets(netdev, ets); 11893e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (err) 11903e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto err; 11913e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend } 11923e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 11933e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setets) { 11943e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct ieee_pfc *pfc = nla_data(ieee[DCB_ATTR_IEEE_PFC]); 11953e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend err = ops->ieee_setpfc(netdev, pfc); 11963e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (err) 11973e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto err; 11983e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend } 11993e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12009ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (ieee[DCB_ATTR_IEEE_APP_TABLE]) { 12013e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct nlattr *attr; 12023e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend int rem; 12033e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12043e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) { 12053e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct dcb_app *app_data; 12063e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (nla_type(attr) != DCB_ATTR_IEEE_APP) 12073e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend continue; 12083e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend app_data = nla_data(attr); 12099ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (ops->ieee_setapp) 12109ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend err = ops->ieee_setapp(netdev, app_data); 12119ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend else 12129ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend err = dcb_setapp(netdev, app_data); 12133e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (err) 12143e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto err; 12153e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend } 12163e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend } 12173e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12183e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabenderr: 12193e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_SET, DCB_ATTR_IEEE, 12203e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend pid, seq, flags); 12213e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend return err; 12223e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend} 12233e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12243e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12253e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend/* Handle IEEE 802.1Qaz GET commands. */ 12263e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabendstatic int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb, 12273e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend u32 pid, u32 seq, u16 flags) 12283e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend{ 12293e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct sk_buff *skb; 12303e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct nlmsghdr *nlh; 12313e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct dcbmsg *dcb; 12329ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend struct nlattr *ieee, *app; 12339ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend struct dcb_app_type *itr; 12343e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops; 12353e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend int err; 12363e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12373e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (!ops) 12383e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend return -EOPNOTSUPP; 12393e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12403e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 12413e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (!skb) 12423e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend return -ENOBUFS; 12433e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12443e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend nlh = NLMSG_NEW(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 12453e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12463e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend dcb = NLMSG_DATA(nlh); 12473e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend dcb->dcb_family = AF_UNSPEC; 12483e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend dcb->cmd = DCB_CMD_IEEE_GET; 12493e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12503e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name); 12513e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12523e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend ieee = nla_nest_start(skb, DCB_ATTR_IEEE); 12533e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (!ieee) 12543e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto nla_put_failure; 12553e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12563e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (ops->ieee_getets) { 12573e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct ieee_ets ets; 12583e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend err = ops->ieee_getets(netdev, &ets); 12593e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (!err) 12603e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend NLA_PUT(skb, DCB_ATTR_IEEE_ETS, sizeof(ets), &ets); 12613e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend } 12623e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12633e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (ops->ieee_getpfc) { 12643e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend struct ieee_pfc pfc; 12653e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend err = ops->ieee_getpfc(netdev, &pfc); 12663e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend if (!err) 12673e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend NLA_PUT(skb, DCB_ATTR_IEEE_PFC, sizeof(pfc), &pfc); 12683e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend } 12693e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12709ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend app = nla_nest_start(skb, DCB_ATTR_IEEE_APP_TABLE); 12719ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (!app) 12729ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend goto nla_put_failure; 12739ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 12749ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_lock(&dcb_lock); 12759ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend list_for_each_entry(itr, &dcb_app_list, list) { 127670bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter if (strncmp(itr->name, netdev->name, IFNAMSIZ) == 0) { 127770bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter err = nla_put(skb, DCB_ATTR_IEEE_APP, sizeof(itr->app), 127870bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter &itr->app); 127970bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter if (err) { 128070bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter spin_unlock(&dcb_lock); 128170bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter goto nla_put_failure; 128270bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter } 128370bfa2d2e1bfd90ef26758b5e2749f043a940037Dan Carpenter } 12849ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 12859ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_unlock(&dcb_lock); 12869ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend nla_nest_end(skb, app); 12879ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 12883e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend nla_nest_end(skb, ieee); 12893e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend nlmsg_end(skb, nlh); 12903e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12913e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend return rtnl_unicast(skb, &init_net, pid); 12923e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabendnla_put_failure: 12933e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend nlmsg_cancel(skb, nlh); 12943e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabendnlmsg_failure: 12953e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend kfree_skb(skb); 12963e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend return -1; 12973e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend} 12983e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend 12996241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid/* DCBX configuration */ 13006241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravidstatic int dcbnl_getdcbx(struct net_device *netdev, struct nlattr **tb, 13016241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid u32 pid, u32 seq, u16 flags) 13026241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid{ 13037f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid int ret; 13046241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13056241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid if (!netdev->dcbnl_ops->getdcbx) 13067f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return -EOPNOTSUPP; 13076241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13086241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid ret = dcbnl_reply(netdev->dcbnl_ops->getdcbx(netdev), RTM_GETDCB, 13096241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid DCB_CMD_GDCBX, DCB_ATTR_DCBX, pid, seq, flags); 13106241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13116241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid return ret; 13126241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid} 13136241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13146241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravidstatic int dcbnl_setdcbx(struct net_device *netdev, struct nlattr **tb, 13156241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid u32 pid, u32 seq, u16 flags) 13166241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid{ 13177f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid int ret; 13186241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid u8 value; 13196241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13207f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (!netdev->dcbnl_ops->setdcbx) 13217f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return -EOPNOTSUPP; 13227f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid 13237f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (!tb[DCB_ATTR_DCBX]) 13247f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return -EINVAL; 13256241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13266241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid value = nla_get_u8(tb[DCB_ATTR_DCBX]); 13276241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13286241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid ret = dcbnl_reply(netdev->dcbnl_ops->setdcbx(netdev, value), 13296241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid RTM_SETDCB, DCB_CMD_SDCBX, DCB_ATTR_DCBX, 13306241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid pid, seq, flags); 13316241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 13326241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid return ret; 13336241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid} 13346241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid 1335ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravidstatic int dcbnl_getfeatcfg(struct net_device *netdev, struct nlattr **tb, 1336ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid u32 pid, u32 seq, u16 flags) 1337ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid{ 1338ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid struct sk_buff *dcbnl_skb; 1339ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid struct nlmsghdr *nlh; 1340ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid struct dcbmsg *dcb; 1341ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid struct nlattr *data[DCB_FEATCFG_ATTR_MAX + 1], *nest; 1342ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid u8 value; 13437f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid int ret, i; 1344ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid int getall = 0; 1345ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 13467f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (!netdev->dcbnl_ops->getfeatcfg) 13477f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return -EOPNOTSUPP; 13487f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid 13497f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (!tb[DCB_ATTR_FEATCFG]) 13507f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return -EINVAL; 1351ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1352ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, tb[DCB_ATTR_FEATCFG], 1353ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid dcbnl_featcfg_nest); 13547f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (ret) 1355ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid goto err_out; 1356ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1357ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 1358ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid if (!dcbnl_skb) { 13597f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid ret = -ENOBUFS; 1360ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid goto err_out; 1361ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid } 1362ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1363ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); 1364ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1365ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid dcb = NLMSG_DATA(nlh); 1366ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid dcb->dcb_family = AF_UNSPEC; 1367ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid dcb->cmd = DCB_CMD_GFEATCFG; 1368ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1369ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid nest = nla_nest_start(dcbnl_skb, DCB_ATTR_FEATCFG); 1370ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid if (!nest) { 13717f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid ret = -EMSGSIZE; 13727f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid goto nla_put_failure; 1373ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid } 1374ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1375ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid if (data[DCB_FEATCFG_ATTR_ALL]) 1376ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid getall = 1; 1377ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1378ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid for (i = DCB_FEATCFG_ATTR_ALL+1; i <= DCB_FEATCFG_ATTR_MAX; i++) { 1379ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid if (!getall && !data[i]) 1380ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid continue; 1381ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1382ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid ret = netdev->dcbnl_ops->getfeatcfg(netdev, i, &value); 13837f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (!ret) 1384ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid ret = nla_put_u8(dcbnl_skb, i, value); 1385ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 13867f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (ret) { 13877f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid nla_nest_cancel(dcbnl_skb, nest); 13887f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid goto nla_put_failure; 13897f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid } 1390ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid } 1391ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid nla_nest_end(dcbnl_skb, nest); 1392ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1393ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid nlmsg_end(dcbnl_skb, nlh); 1394ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 13957f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return rtnl_unicast(dcbnl_skb, &init_net, pid); 13967f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravidnla_put_failure: 13977f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid nlmsg_cancel(dcbnl_skb, nlh); 1398ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravidnlmsg_failure: 1399ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid kfree_skb(dcbnl_skb); 1400ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Raviderr_out: 1401ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid return ret; 1402ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid} 1403ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1404ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravidstatic int dcbnl_setfeatcfg(struct net_device *netdev, struct nlattr **tb, 1405ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid u32 pid, u32 seq, u16 flags) 1406ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid{ 1407ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid struct nlattr *data[DCB_FEATCFG_ATTR_MAX + 1]; 14087f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid int ret, i; 1409ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid u8 value; 1410ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 14117f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (!netdev->dcbnl_ops->setfeatcfg) 14127f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return -ENOTSUPP; 14137f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid 14147f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (!tb[DCB_ATTR_FEATCFG]) 14157f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid return -EINVAL; 1416ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1417ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, tb[DCB_ATTR_FEATCFG], 1418ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid dcbnl_featcfg_nest); 1419ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 14207f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid if (ret) 1421ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid goto err; 1422ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1423ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid for (i = DCB_FEATCFG_ATTR_ALL+1; i <= DCB_FEATCFG_ATTR_MAX; i++) { 1424ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid if (data[i] == NULL) 1425ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid continue; 1426ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1427ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid value = nla_get_u8(data[i]); 1428ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1429ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid ret = netdev->dcbnl_ops->setfeatcfg(netdev, i, value); 1430ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 1431ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid if (ret) 14327f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid goto err; 1433ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid } 1434ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Raviderr: 14357f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid dcbnl_reply(ret, RTM_SETDCB, DCB_CMD_SFEATCFG, DCB_ATTR_FEATCFG, 14367f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid pid, seq, flags); 14377f891cf1fc0d5d5c5b359caec77e5383e1d55986Shmulik Ravid 1438ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid return ret; 1439ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid} 1440ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid 14412f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) 14422f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 14432f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct net *net = sock_net(skb->sk); 14442f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct net_device *netdev; 14452f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct dcbmsg *dcb = (struct dcbmsg *)NLMSG_DATA(nlh); 14462f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck struct nlattr *tb[DCB_ATTR_MAX + 1]; 14472f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck u32 pid = skb ? NETLINK_CB(skb).pid : 0; 14482f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck int ret = -EINVAL; 14492f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 145009ad9bc752519cc167d0a573e1acf69b5c707c67Octavian Purdila if (!net_eq(net, &init_net)) 14512f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return -EINVAL; 14522f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 14532f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = nlmsg_parse(nlh, sizeof(*dcb), tb, DCB_ATTR_MAX, 14542f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dcbnl_rtnl_policy); 14552f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (ret < 0) 14562f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 14572f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 14582f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!tb[DCB_ATTR_IFNAME]) 14592f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return -EINVAL; 14602f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 14612f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck netdev = dev_get_by_name(&init_net, nla_data(tb[DCB_ATTR_IFNAME])); 14622f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!netdev) 14632f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return -EINVAL; 14642f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 14652f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck if (!netdev->dcbnl_ops) 14662f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto errout; 14672f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 14682f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck switch (dcb->cmd) { 14692f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_GSTATE: 14702f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_getstate(netdev, tb, pid, nlh->nlmsg_seq, 14712f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 14722f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 14732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_PFC_GCFG: 14742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_getpfccfg(netdev, tb, pid, nlh->nlmsg_seq, 14752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 14762f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 14772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_GPERM_HWADDR: 14782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_getperm_hwaddr(netdev, tb, pid, nlh->nlmsg_seq, 14792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 14802f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 14812f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_PGTX_GCFG: 14822f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_pgtx_getcfg(netdev, tb, pid, nlh->nlmsg_seq, 14832f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 14842f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 14852f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_PGRX_GCFG: 14862f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_pgrx_getcfg(netdev, tb, pid, nlh->nlmsg_seq, 14872f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 14882f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 1489859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck case DCB_CMD_BCN_GCFG: 1490859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = dcbnl_bcn_getcfg(netdev, tb, pid, nlh->nlmsg_seq, 1491859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck nlh->nlmsg_flags); 1492859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto out; 14932f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_SSTATE: 14942f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_setstate(netdev, tb, pid, nlh->nlmsg_seq, 14952f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 14962f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 14972f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_PFC_SCFG: 14982f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_setpfccfg(netdev, tb, pid, nlh->nlmsg_seq, 14992f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 15002f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 15012f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 15022f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_SET_ALL: 15032f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_setall(netdev, tb, pid, nlh->nlmsg_seq, 15042f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 15052f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 15062f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_PGTX_SCFG: 15072f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_pgtx_setcfg(netdev, tb, pid, nlh->nlmsg_seq, 15082f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 15092f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 15102f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck case DCB_CMD_PGRX_SCFG: 15112f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = dcbnl_pgrx_setcfg(netdev, tb, pid, nlh->nlmsg_seq, 15122f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck nlh->nlmsg_flags); 15132f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto out; 151446132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck case DCB_CMD_GCAP: 151546132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck ret = dcbnl_getcap(netdev, tb, pid, nlh->nlmsg_seq, 151646132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck nlh->nlmsg_flags); 151746132188bf72e22ef097f16ed5c969ee8cea1e8bAlexander Duyck goto out; 151833dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck case DCB_CMD_GNUMTCS: 151933dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = dcbnl_getnumtcs(netdev, tb, pid, nlh->nlmsg_seq, 152033dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck nlh->nlmsg_flags); 152133dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto out; 152233dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck case DCB_CMD_SNUMTCS: 152333dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck ret = dcbnl_setnumtcs(netdev, tb, pid, nlh->nlmsg_seq, 152433dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck nlh->nlmsg_flags); 152533dbabc4a7f7bd72313c73a3c199f31f3900336fAlexander Duyck goto out; 15260eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck case DCB_CMD_PFC_GSTATE: 15270eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck ret = dcbnl_getpfcstate(netdev, tb, pid, nlh->nlmsg_seq, 15280eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck nlh->nlmsg_flags); 15290eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck goto out; 15300eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck case DCB_CMD_PFC_SSTATE: 15310eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck ret = dcbnl_setpfcstate(netdev, tb, pid, nlh->nlmsg_seq, 15320eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck nlh->nlmsg_flags); 15330eb3aa9bab20217fb42244ccdcb5bf8a002f504cAlexander Duyck goto out; 1534859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck case DCB_CMD_BCN_SCFG: 1535859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck ret = dcbnl_bcn_setcfg(netdev, tb, pid, nlh->nlmsg_seq, 1536859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck nlh->nlmsg_flags); 1537859ee3c43812051e21816c6d6d4cc04fb7ce9b2eAlexander Duyck goto out; 1538579496865cf4ea429146382d62047ffdbaab0deeYi Zou case DCB_CMD_GAPP: 1539579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = dcbnl_getapp(netdev, tb, pid, nlh->nlmsg_seq, 1540579496865cf4ea429146382d62047ffdbaab0deeYi Zou nlh->nlmsg_flags); 1541579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 1542579496865cf4ea429146382d62047ffdbaab0deeYi Zou case DCB_CMD_SAPP: 1543579496865cf4ea429146382d62047ffdbaab0deeYi Zou ret = dcbnl_setapp(netdev, tb, pid, nlh->nlmsg_seq, 1544579496865cf4ea429146382d62047ffdbaab0deeYi Zou nlh->nlmsg_flags); 1545579496865cf4ea429146382d62047ffdbaab0deeYi Zou goto out; 15463e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend case DCB_CMD_IEEE_SET: 15473e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend ret = dcbnl_ieee_set(netdev, tb, pid, nlh->nlmsg_seq, 15483e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend nlh->nlmsg_flags); 15493e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto out; 15503e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend case DCB_CMD_IEEE_GET: 15513e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend ret = dcbnl_ieee_get(netdev, tb, pid, nlh->nlmsg_seq, 15523e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend nlh->nlmsg_flags); 15533e29027af43728c2a91fe3f735ab2822edaf54a8John Fastabend goto out; 15546241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid case DCB_CMD_GDCBX: 15556241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid ret = dcbnl_getdcbx(netdev, tb, pid, nlh->nlmsg_seq, 15566241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid nlh->nlmsg_flags); 15576241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid goto out; 15586241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid case DCB_CMD_SDCBX: 15596241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid ret = dcbnl_setdcbx(netdev, tb, pid, nlh->nlmsg_seq, 15606241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid nlh->nlmsg_flags); 15616241b6259b16aa390ff4bf50f520685b3801200bShmulik Ravid goto out; 1562ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid case DCB_CMD_GFEATCFG: 1563ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid ret = dcbnl_getfeatcfg(netdev, tb, pid, nlh->nlmsg_seq, 1564ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid nlh->nlmsg_flags); 1565ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid goto out; 1566ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid case DCB_CMD_SFEATCFG: 1567ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid ret = dcbnl_setfeatcfg(netdev, tb, pid, nlh->nlmsg_seq, 1568ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid nlh->nlmsg_flags); 1569ea45fe4e176a42d2396878f530cfdc8265bef37bShmulik Ravid goto out; 15702f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck default: 15712f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck goto errout; 15722f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck } 15732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckerrout: 15742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck ret = -EINVAL; 15752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckout: 15762f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck dev_put(netdev); 15772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return ret; 15782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 15792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 15809ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend/** 15819ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * dcb_getapp - retrieve the DCBX application user priority 15829ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * 15839ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * On success returns a non-zero 802.1p user priority bitmap 15849ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * otherwise returns 0 as the invalid user priority bitmap to 15859ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * indicate an error. 15869ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend */ 15879ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabendu8 dcb_getapp(struct net_device *dev, struct dcb_app *app) 15889ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend{ 15899ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend struct dcb_app_type *itr; 15909ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend u8 prio = 0; 15919ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 15929ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_lock(&dcb_lock); 15939ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend list_for_each_entry(itr, &dcb_app_list, list) { 15949ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (itr->app.selector == app->selector && 15959ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend itr->app.protocol == app->protocol && 15969ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) { 15979ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend prio = itr->app.priority; 15989ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend break; 15999ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16009ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16019ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_unlock(&dcb_lock); 16029ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16039ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend return prio; 16049ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend} 16059ab933ab2cc80f04690d6aa385b1110075c5e507John FastabendEXPORT_SYMBOL(dcb_getapp); 16069ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16079ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend/** 16089ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * ixgbe_dcbnl_setapp - add dcb application data to app list 16099ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * 16109ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * Priority 0 is the default priority this removes applications 16119ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend * from the app list if the priority is set to zero. 16129ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend */ 16139ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabendu8 dcb_setapp(struct net_device *dev, struct dcb_app *new) 16149ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend{ 16159ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend struct dcb_app_type *itr; 16167ec79270d7de0c8ca602c47cb25a9652ec28f37fJohn Fastabend struct dcb_app_type event; 16177ec79270d7de0c8ca602c47cb25a9652ec28f37fJohn Fastabend 16187ec79270d7de0c8ca602c47cb25a9652ec28f37fJohn Fastabend memcpy(&event.name, dev->name, sizeof(event.name)); 16197ec79270d7de0c8ca602c47cb25a9652ec28f37fJohn Fastabend memcpy(&event.app, new, sizeof(event.app)); 16209ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16219ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_lock(&dcb_lock); 16229ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend /* Search for existing match and replace */ 16239ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend list_for_each_entry(itr, &dcb_app_list, list) { 16249ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (itr->app.selector == new->selector && 16259ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend itr->app.protocol == new->protocol && 16269ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) { 16279ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (new->priority) 16289ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend itr->app.priority = new->priority; 16299ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend else { 16309ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend list_del(&itr->list); 16319ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend kfree(itr); 16329ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16339ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend goto out; 16349ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16359ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16369ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend /* App type does not exist add new application type */ 16379ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (new->priority) { 16389ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend struct dcb_app_type *entry; 16399ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend entry = kmalloc(sizeof(struct dcb_app_type), GFP_ATOMIC); 16409ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend if (!entry) { 16419ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_unlock(&dcb_lock); 16429ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend return -ENOMEM; 16439ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16449ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16459ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend memcpy(&entry->app, new, sizeof(*new)); 16469ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend strncpy(entry->name, dev->name, IFNAMSIZ); 16479ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend list_add(&entry->list, &dcb_app_list); 16489ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16499ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabendout: 16509ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_unlock(&dcb_lock); 16517ec79270d7de0c8ca602c47cb25a9652ec28f37fJohn Fastabend call_dcbevent_notifiers(DCB_APP_EVENT, &event); 16529ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend return 0; 16539ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend} 16549ab933ab2cc80f04690d6aa385b1110075c5e507John FastabendEXPORT_SYMBOL(dcb_setapp); 16559ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16567c14c3f10e6dcd7f70e49f77b6e1ae605c4861e6Shmulik Ravidstatic void dcb_flushapp(void) 16579ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend{ 16589ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend struct dcb_app_type *app; 16592a8fe003741aa90b6b9453e90af4bbb7bc42918cDan Carpenter struct dcb_app_type *tmp; 16609ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16619ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_lock(&dcb_lock); 16622a8fe003741aa90b6b9453e90af4bbb7bc42918cDan Carpenter list_for_each_entry_safe(app, tmp, &dcb_app_list, list) { 16639ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend list_del(&app->list); 16649ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend kfree(app); 16659ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend } 16669ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend spin_unlock(&dcb_lock); 16679ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend} 16689ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16692f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic int __init dcbnl_init(void) 16702f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 16719ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend INIT_LIST_HEAD(&dcb_app_list); 16729ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend 16732f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck rtnl_register(PF_UNSPEC, RTM_GETDCB, dcb_doit, NULL); 16742f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck rtnl_register(PF_UNSPEC, RTM_SETDCB, dcb_doit, NULL); 16752f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 16762f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck return 0; 16772f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 16782f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckmodule_init(dcbnl_init); 16792f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck 16802f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckstatic void __exit dcbnl_exit(void) 16812f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck{ 16822f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck rtnl_unregister(PF_UNSPEC, RTM_GETDCB); 16832f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck rtnl_unregister(PF_UNSPEC, RTM_SETDCB); 16849ab933ab2cc80f04690d6aa385b1110075c5e507John Fastabend dcb_flushapp(); 16852f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyck} 16862f90b8657ec942d1880f720e0177ee71df7c8e3cAlexander Duyckmodule_exit(dcbnl_exit); 1687