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1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called COPYING. | |
26 | * | |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | #include <net/ipv6.h> | |
64 | #include <net/addrconf.h> | |
65 | #include "mvm.h" | |
66 | ||
67 | void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, | |
68 | struct iwl_wowlan_config_cmd_v2 *cmd) | |
69 | { | |
70 | int i; | |
71 | ||
72 | /* | |
73 | * For QoS counters, we store the one to use next, so subtract 0x10 | |
74 | * since the uCode will add 0x10 *before* using the value while we | |
75 | * increment after using the value (i.e. store the next value to use). | |
76 | */ | |
77 | for (i = 0; i < IWL_MAX_TID_COUNT; i++) { | |
78 | u16 seq = mvm_ap_sta->tid_data[i].seq_number; | |
79 | seq -= 0x10; | |
80 | cmd->qos_seq[i] = cpu_to_le16(seq); | |
81 | } | |
82 | } | |
83 | ||
8bd22e7b EP |
84 | int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, |
85 | struct ieee80211_vif *vif, | |
86 | bool disable_offloading, | |
87 | u32 cmd_flags) | |
1a95c8df EP |
88 | { |
89 | union { | |
90 | struct iwl_proto_offload_cmd_v1 v1; | |
91 | struct iwl_proto_offload_cmd_v2 v2; | |
92 | struct iwl_proto_offload_cmd_v3_small v3s; | |
93 | struct iwl_proto_offload_cmd_v3_large v3l; | |
94 | } cmd = {}; | |
95 | struct iwl_host_cmd hcmd = { | |
96 | .id = PROT_OFFLOAD_CONFIG_CMD, | |
8bd22e7b | 97 | .flags = cmd_flags, |
1a95c8df EP |
98 | .data[0] = &cmd, |
99 | .dataflags[0] = IWL_HCMD_DFL_DUP, | |
100 | }; | |
101 | struct iwl_proto_offload_cmd_common *common; | |
102 | u32 enabled = 0, size; | |
103 | u32 capa_flags = mvm->fw->ucode_capa.flags; | |
104 | #if IS_ENABLED(CONFIG_IPV6) | |
105 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
106 | int i; | |
107 | ||
108 | if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL || | |
109 | capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE) { | |
110 | struct iwl_ns_config *nsc; | |
111 | struct iwl_targ_addr *addrs; | |
112 | int n_nsc, n_addrs; | |
113 | int c; | |
114 | ||
115 | if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) { | |
116 | nsc = cmd.v3s.ns_config; | |
117 | n_nsc = IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3S; | |
118 | addrs = cmd.v3s.targ_addrs; | |
119 | n_addrs = IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3S; | |
120 | } else { | |
121 | nsc = cmd.v3l.ns_config; | |
122 | n_nsc = IWL_PROTO_OFFLOAD_NUM_NS_CONFIG_V3L; | |
123 | addrs = cmd.v3l.targ_addrs; | |
124 | n_addrs = IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V3L; | |
125 | } | |
126 | ||
127 | if (mvmvif->num_target_ipv6_addrs) | |
128 | enabled |= IWL_D3_PROTO_OFFLOAD_NS; | |
129 | ||
130 | /* | |
131 | * For each address we have (and that will fit) fill a target | |
132 | * address struct and combine for NS offload structs with the | |
133 | * solicited node addresses. | |
134 | */ | |
135 | for (i = 0, c = 0; | |
136 | i < mvmvif->num_target_ipv6_addrs && | |
137 | i < n_addrs && c < n_nsc; i++) { | |
138 | struct in6_addr solicited_addr; | |
139 | int j; | |
140 | ||
141 | addrconf_addr_solict_mult(&mvmvif->target_ipv6_addrs[i], | |
142 | &solicited_addr); | |
143 | for (j = 0; j < c; j++) | |
144 | if (ipv6_addr_cmp(&nsc[j].dest_ipv6_addr, | |
145 | &solicited_addr) == 0) | |
146 | break; | |
147 | if (j == c) | |
148 | c++; | |
149 | addrs[i].addr = mvmvif->target_ipv6_addrs[i]; | |
150 | addrs[i].config_num = cpu_to_le32(j); | |
151 | nsc[j].dest_ipv6_addr = solicited_addr; | |
152 | memcpy(nsc[j].target_mac_addr, vif->addr, ETH_ALEN); | |
153 | } | |
154 | ||
155 | if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) | |
156 | cmd.v3s.num_valid_ipv6_addrs = cpu_to_le32(i); | |
157 | else | |
158 | cmd.v3l.num_valid_ipv6_addrs = cpu_to_le32(i); | |
159 | } else if (capa_flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) { | |
160 | if (mvmvif->num_target_ipv6_addrs) { | |
161 | enabled |= IWL_D3_PROTO_OFFLOAD_NS; | |
162 | memcpy(cmd.v2.ndp_mac_addr, vif->addr, ETH_ALEN); | |
163 | } | |
164 | ||
165 | BUILD_BUG_ON(sizeof(cmd.v2.target_ipv6_addr[0]) != | |
166 | sizeof(mvmvif->target_ipv6_addrs[0])); | |
167 | ||
168 | for (i = 0; i < min(mvmvif->num_target_ipv6_addrs, | |
169 | IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V2); i++) | |
170 | memcpy(cmd.v2.target_ipv6_addr[i], | |
171 | &mvmvif->target_ipv6_addrs[i], | |
172 | sizeof(cmd.v2.target_ipv6_addr[i])); | |
173 | } else { | |
174 | if (mvmvif->num_target_ipv6_addrs) { | |
175 | enabled |= IWL_D3_PROTO_OFFLOAD_NS; | |
176 | memcpy(cmd.v1.ndp_mac_addr, vif->addr, ETH_ALEN); | |
177 | } | |
178 | ||
179 | BUILD_BUG_ON(sizeof(cmd.v1.target_ipv6_addr[0]) != | |
180 | sizeof(mvmvif->target_ipv6_addrs[0])); | |
181 | ||
182 | for (i = 0; i < min(mvmvif->num_target_ipv6_addrs, | |
183 | IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_V1); i++) | |
184 | memcpy(cmd.v1.target_ipv6_addr[i], | |
185 | &mvmvif->target_ipv6_addrs[i], | |
186 | sizeof(cmd.v1.target_ipv6_addr[i])); | |
187 | } | |
188 | #endif | |
189 | ||
190 | if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL) { | |
191 | common = &cmd.v3s.common; | |
192 | size = sizeof(cmd.v3s); | |
193 | } else if (capa_flags & IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE) { | |
194 | common = &cmd.v3l.common; | |
195 | size = sizeof(cmd.v3l); | |
196 | } else if (capa_flags & IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS) { | |
197 | common = &cmd.v2.common; | |
198 | size = sizeof(cmd.v2); | |
199 | } else { | |
200 | common = &cmd.v1.common; | |
201 | size = sizeof(cmd.v1); | |
202 | } | |
203 | ||
204 | if (vif->bss_conf.arp_addr_cnt) { | |
205 | enabled |= IWL_D3_PROTO_OFFLOAD_ARP; | |
206 | common->host_ipv4_addr = vif->bss_conf.arp_addr_list[0]; | |
207 | memcpy(common->arp_mac_addr, vif->addr, ETH_ALEN); | |
208 | } | |
209 | ||
8bd22e7b EP |
210 | if (!disable_offloading) |
211 | common->enabled = cpu_to_le32(enabled); | |
1a95c8df EP |
212 | |
213 | hcmd.len[0] = size; | |
214 | return iwl_mvm_send_cmd(mvm, &hcmd); | |
215 | } |