/****************************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * The full GNU General Public License is included in this distribution * in the file called COPYING. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #include #include #include #include "mvm.h" void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, struct iwl_wowlan_config_cmd *cmd) { int i; /* * For QoS counters, we store the one to use next, so subtract 0x10 * since the uCode will add 0x10 *before* using the value while we * increment after using the value (i.e. store the next value to use). */ for (i = 0; i < IWL_MAX_TID_COUNT; i++) { u16 seq = mvm_ap_sta->tid_data[i].seq_number; seq -= 0x10; cmd->qos_seq[i] = cpu_to_le16(seq); } } int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, struct ieee80211_vif *vif, bool disable_offloading, bool offload_ns, u32 cmd_flags) { union { struct iwl_proto_offload_cmd_v1 v1; struct iwl_proto_offload_cmd_v2 v2; struct iwl_proto_offload_cmd_v3_small v3s; struct iwl_proto_offload_cmd_v3_large v3l; } cmd = {}; struct iwl_host_cmd hcmd = { .id = PROT_OFFLOAD_CONFIG_CMD, .flags = cmd_flags, .data[0] = &cmd, .dataflags[0] = IWL_HCMD_DFL_DUP, }; struct iwl_proto_offload_cmd_common *common; u32 enabled = 0, size; u32 capa_flags = mvm->fw->ucode_capa.flags; #if IS_ENABLED(CONFIG_IPV6) struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int i; /* * Skip tentative address when ns offload is enabled to avoid * violating RFC4862. * Keep tentative address when ns offload is disabled so the NS packets * will not be filtered out and will wake up the host. */ bool skip_tentative = offload_ns; if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL || capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE) { struct iwl_ns_config *nsc; struct iwl_targ_addr *addrs; int n_nsc, n_addrs; int c; int num_skipped = 0; if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) { nsc = cmd.v3s.ns_config; n_nsc = IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3S; addrs = cmd.v3s.targ_addrs; n_addrs = IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3S; } else { nsc = cmd.v3l.ns_config; n_nsc = IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3L; addrs = cmd.v3l.targ_addrs; n_addrs = IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3L; } /* * For each address we have (and that will fit) fill a target * address struct and combine for NS offload structs with the * solicited node addresses. */ for (i = 0, c = 0; i < mvmvif->num_target_ipv6_addrs && i < n_addrs && c < n_nsc; i++) { struct in6_addr solicited_addr; int j; if (skip_tentative && test_bit(i, mvmvif->tentative_addrs)) { num_skipped++; continue; } addrconf_addr_solict_mult(&mvmvif->target_ipv6_addrs[i], &solicited_addr); for (j = 0; j < c; j++) if (ipv6_addr_cmp(&nsc[j].dest_ipv6_addr, &solicited_addr) == 0) break; if (j == c) c++; addrs[i].addr = mvmvif->target_ipv6_addrs[i]; addrs[i].config_num = cpu_to_le32(j); nsc[j].dest_ipv6_addr = solicited_addr; memcpy(nsc[j].target_mac_addr, vif->addr, ETH_ALEN); } if (mvmvif->num_target_ipv6_addrs - num_skipped) enabled |= IWL_D3_PROTO_IPV6_VALID; if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) cmd.v3s.num_valid_ipv6_addrs = cpu_to_le32(i - num_skipped); else cmd.v3l.num_valid_ipv6_addrs = cpu_to_le32(i - num_skipped); } else if (capa_flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) { bool found = false; BUILD_BUG_ON(sizeof(cmd.v2.target_ipv6_addr[0]) != sizeof(mvmvif->target_ipv6_addrs[0])); for (i = 0; i < min(mvmvif->num_target_ipv6_addrs, IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V2); i++) { if (skip_tentative && test_bit(i, mvmvif->tentative_addrs)) continue; memcpy(cmd.v2.target_ipv6_addr[i], &mvmvif->target_ipv6_addrs[i], sizeof(cmd.v2.target_ipv6_addr[i])); found = true; } if (found) { enabled |= IWL_D3_PROTO_IPV6_VALID; memcpy(cmd.v2.ndp_mac_addr, vif->addr, ETH_ALEN); } } else { bool found = false; BUILD_BUG_ON(sizeof(cmd.v1.target_ipv6_addr[0]) != sizeof(mvmvif->target_ipv6_addrs[0])); for (i = 0; i < min(mvmvif->num_target_ipv6_addrs, IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V1); i++) { if (skip_tentative && test_bit(i, mvmvif->tentative_addrs)) continue; memcpy(cmd.v1.target_ipv6_addr[i], &mvmvif->target_ipv6_addrs[i], sizeof(cmd.v1.target_ipv6_addr[i])); found = true; } if (found) { enabled |= IWL_D3_PROTO_IPV6_VALID; memcpy(cmd.v1.ndp_mac_addr, vif->addr, ETH_ALEN); } } if (offload_ns && (enabled & IWL_D3_PROTO_IPV6_VALID)) enabled |= IWL_D3_PROTO_OFFLOAD_NS; #endif if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) { common = &cmd.v3s.common; size = sizeof(cmd.v3s); } else if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE) { common = &cmd.v3l.common; size = sizeof(cmd.v3l); } else if (capa_flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) { common = &cmd.v2.common; size = sizeof(cmd.v2); } else { common = &cmd.v1.common; size = sizeof(cmd.v1); } if (vif->bss_conf.arp_addr_cnt) { enabled |= IWL_D3_PROTO_OFFLOAD_ARP | IWL_D3_PROTO_IPV4_VALID; common->host_ipv4_addr = vif->bss_conf.arp_addr_list[0]; memcpy(common->arp_mac_addr, vif->addr, ETH_ALEN); } if (!disable_offloading) common->enabled = cpu_to_le32(enabled); hcmd.len[0] = size; return iwl_mvm_send_cmd(mvm, &hcmd); }