Commit | Line | Data |
---|---|---|
9cfc7bd6 | 1 | /* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
2 | * |
3 | * Marek Lindner, Simon Wunderlich | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of version 2 of the GNU General Public | |
7 | * License as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
17 | * 02110-1301, USA | |
c6c8fea2 SE |
18 | */ |
19 | ||
20 | #include "main.h" | |
21 | #include "soft-interface.h" | |
22 | #include "hard-interface.h" | |
23 | #include "routing.h" | |
24 | #include "send.h" | |
25 | #include "bat_debugfs.h" | |
26 | #include "translation-table.h" | |
c6c8fea2 SE |
27 | #include "hash.h" |
28 | #include "gateway_common.h" | |
29 | #include "gateway_client.h" | |
c6c8fea2 | 30 | #include "bat_sysfs.h" |
43676ab5 | 31 | #include "originator.h" |
c6c8fea2 SE |
32 | #include <linux/slab.h> |
33 | #include <linux/ethtool.h> | |
34 | #include <linux/etherdevice.h> | |
35 | #include <linux/if_vlan.h> | |
36 | #include "unicast.h" | |
23721387 | 37 | #include "bridge_loop_avoidance.h" |
c6c8fea2 SE |
38 | |
39 | ||
0294ca0d SE |
40 | static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd); |
41 | static void batadv_get_drvinfo(struct net_device *dev, | |
42 | struct ethtool_drvinfo *info); | |
43 | static u32 batadv_get_msglevel(struct net_device *dev); | |
44 | static void batadv_set_msglevel(struct net_device *dev, u32 value); | |
45 | static u32 batadv_get_link(struct net_device *dev); | |
f8214865 MH |
46 | static void batadv_get_strings(struct net_device *dev, u32 stringset, u8 *data); |
47 | static void batadv_get_ethtool_stats(struct net_device *dev, | |
48 | struct ethtool_stats *stats, u64 *data); | |
49 | static int batadv_get_sset_count(struct net_device *dev, int stringset); | |
c6c8fea2 | 50 | |
0294ca0d SE |
51 | static const struct ethtool_ops batadv_ethtool_ops = { |
52 | .get_settings = batadv_get_settings, | |
53 | .get_drvinfo = batadv_get_drvinfo, | |
54 | .get_msglevel = batadv_get_msglevel, | |
55 | .set_msglevel = batadv_set_msglevel, | |
56 | .get_link = batadv_get_link, | |
f8214865 MH |
57 | .get_strings = batadv_get_strings, |
58 | .get_ethtool_stats = batadv_get_ethtool_stats, | |
59 | .get_sset_count = batadv_get_sset_count, | |
c6c8fea2 SE |
60 | }; |
61 | ||
04b482a2 | 62 | int batadv_skb_head_push(struct sk_buff *skb, unsigned int len) |
c6c8fea2 SE |
63 | { |
64 | int result; | |
65 | ||
9cfc7bd6 | 66 | /* TODO: We must check if we can release all references to non-payload |
c6c8fea2 SE |
67 | * data using skb_header_release in our skbs to allow skb_cow_header to |
68 | * work optimally. This means that those skbs are not allowed to read | |
69 | * or write any data which is before the current position of skb->data | |
70 | * after that call and thus allow other skbs with the same data buffer | |
71 | * to write freely in that area. | |
72 | */ | |
73 | result = skb_cow_head(skb, len); | |
74 | if (result < 0) | |
75 | return result; | |
76 | ||
77 | skb_push(skb, len); | |
78 | return 0; | |
79 | } | |
80 | ||
0294ca0d | 81 | static int batadv_interface_open(struct net_device *dev) |
c6c8fea2 SE |
82 | { |
83 | netif_start_queue(dev); | |
84 | return 0; | |
85 | } | |
86 | ||
0294ca0d | 87 | static int batadv_interface_release(struct net_device *dev) |
c6c8fea2 SE |
88 | { |
89 | netif_stop_queue(dev); | |
90 | return 0; | |
91 | } | |
92 | ||
0294ca0d | 93 | static struct net_device_stats *batadv_interface_stats(struct net_device *dev) |
c6c8fea2 SE |
94 | { |
95 | struct bat_priv *bat_priv = netdev_priv(dev); | |
96 | return &bat_priv->stats; | |
97 | } | |
98 | ||
0294ca0d | 99 | static int batadv_interface_set_mac_addr(struct net_device *dev, void *p) |
c6c8fea2 SE |
100 | { |
101 | struct bat_priv *bat_priv = netdev_priv(dev); | |
102 | struct sockaddr *addr = p; | |
103 | ||
104 | if (!is_valid_ether_addr(addr->sa_data)) | |
105 | return -EADDRNOTAVAIL; | |
106 | ||
015758d0 | 107 | /* only modify transtable if it has been initialized before */ |
c6c8fea2 | 108 | if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) { |
08c36d3e SE |
109 | batadv_tt_local_remove(bat_priv, dev->dev_addr, |
110 | "mac address changed", false); | |
42d0b044 | 111 | batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX); |
c6c8fea2 SE |
112 | } |
113 | ||
114 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); | |
28009a6c | 115 | dev->addr_assign_type &= ~NET_ADDR_RANDOM; |
c6c8fea2 SE |
116 | return 0; |
117 | } | |
118 | ||
0294ca0d | 119 | static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu) |
c6c8fea2 SE |
120 | { |
121 | /* check ranges */ | |
9563877e | 122 | if ((new_mtu < 68) || (new_mtu > batadv_hardif_min_mtu(dev))) |
c6c8fea2 SE |
123 | return -EINVAL; |
124 | ||
125 | dev->mtu = new_mtu; | |
126 | ||
127 | return 0; | |
128 | } | |
129 | ||
0294ca0d SE |
130 | static int batadv_interface_tx(struct sk_buff *skb, |
131 | struct net_device *soft_iface) | |
c6c8fea2 SE |
132 | { |
133 | struct ethhdr *ethhdr = (struct ethhdr *)skb->data; | |
134 | struct bat_priv *bat_priv = netdev_priv(soft_iface); | |
32ae9b22 | 135 | struct hard_iface *primary_if = NULL; |
c6c8fea2 SE |
136 | struct bcast_packet *bcast_packet; |
137 | struct vlan_ethhdr *vhdr; | |
7e071c79 | 138 | __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); |
b1a8c04b SW |
139 | static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00, |
140 | 0x00}; | |
be7af5cf | 141 | unsigned int header_len = 0; |
c6c8fea2 | 142 | int data_len = skb->len, ret; |
7a5cc242 | 143 | short vid __maybe_unused = -1; |
be7af5cf | 144 | bool do_bcast = false; |
c6c8fea2 SE |
145 | |
146 | if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) | |
147 | goto dropped; | |
148 | ||
149 | soft_iface->trans_start = jiffies; | |
150 | ||
151 | switch (ntohs(ethhdr->h_proto)) { | |
152 | case ETH_P_8021Q: | |
153 | vhdr = (struct vlan_ethhdr *)skb->data; | |
154 | vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; | |
155 | ||
7e071c79 | 156 | if (vhdr->h_vlan_encapsulated_proto != ethertype) |
c6c8fea2 SE |
157 | break; |
158 | ||
159 | /* fall through */ | |
7e071c79 | 160 | case BATADV_ETH_P_BATMAN: |
c6c8fea2 | 161 | goto dropped; |
a7f6ee94 | 162 | } |
c6c8fea2 | 163 | |
08adf151 | 164 | if (batadv_bla_tx(bat_priv, skb, vid)) |
23721387 SW |
165 | goto dropped; |
166 | ||
a73105b8 | 167 | /* Register the client MAC in the transtable */ |
08c36d3e | 168 | batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif); |
c6c8fea2 | 169 | |
b1a8c04b SW |
170 | /* don't accept stp packets. STP does not help in meshes. |
171 | * better use the bridge loop avoidance ... | |
172 | */ | |
1eda58bf | 173 | if (batadv_compare_eth(ethhdr->h_dest, stp_addr)) |
b1a8c04b SW |
174 | goto dropped; |
175 | ||
be7af5cf ML |
176 | if (is_multicast_ether_addr(ethhdr->h_dest)) { |
177 | do_bcast = true; | |
c6c8fea2 | 178 | |
be7af5cf ML |
179 | switch (atomic_read(&bat_priv->gw_mode)) { |
180 | case GW_MODE_SERVER: | |
181 | /* gateway servers should not send dhcp | |
9cfc7bd6 SE |
182 | * requests into the mesh |
183 | */ | |
7cf06bc6 | 184 | ret = batadv_gw_is_dhcp_target(skb, &header_len); |
be7af5cf ML |
185 | if (ret) |
186 | goto dropped; | |
187 | break; | |
188 | case GW_MODE_CLIENT: | |
189 | /* gateway clients should send dhcp requests | |
9cfc7bd6 SE |
190 | * via unicast to their gateway |
191 | */ | |
7cf06bc6 | 192 | ret = batadv_gw_is_dhcp_target(skb, &header_len); |
be7af5cf ML |
193 | if (ret) |
194 | do_bcast = false; | |
195 | break; | |
196 | case GW_MODE_OFF: | |
197 | default: | |
198 | break; | |
199 | } | |
c6c8fea2 SE |
200 | } |
201 | ||
202 | /* ethernet packet should be broadcasted */ | |
203 | if (do_bcast) { | |
e5d89254 | 204 | primary_if = batadv_primary_if_get_selected(bat_priv); |
32ae9b22 | 205 | if (!primary_if) |
c6c8fea2 SE |
206 | goto dropped; |
207 | ||
04b482a2 | 208 | if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0) |
c6c8fea2 SE |
209 | goto dropped; |
210 | ||
211 | bcast_packet = (struct bcast_packet *)skb->data; | |
7e071c79 | 212 | bcast_packet->header.version = BATADV_COMPAT_VERSION; |
42d0b044 | 213 | bcast_packet->header.ttl = BATADV_TTL; |
c6c8fea2 SE |
214 | |
215 | /* batman packet type: broadcast */ | |
76543d14 | 216 | bcast_packet->header.packet_type = BAT_BCAST; |
c6c8fea2 SE |
217 | |
218 | /* hw address of first interface is the orig mac because only | |
9cfc7bd6 SE |
219 | * this mac is known throughout the mesh |
220 | */ | |
c6c8fea2 | 221 | memcpy(bcast_packet->orig, |
32ae9b22 | 222 | primary_if->net_dev->dev_addr, ETH_ALEN); |
c6c8fea2 SE |
223 | |
224 | /* set broadcast sequence number */ | |
225 | bcast_packet->seqno = | |
226 | htonl(atomic_inc_return(&bat_priv->bcast_seqno)); | |
227 | ||
9455e34c | 228 | batadv_add_bcast_packet_to_list(bat_priv, skb, 1); |
c6c8fea2 SE |
229 | |
230 | /* a copy is stored in the bcast list, therefore removing | |
9cfc7bd6 SE |
231 | * the original skb. |
232 | */ | |
c6c8fea2 SE |
233 | kfree_skb(skb); |
234 | ||
235 | /* unicast packet */ | |
236 | } else { | |
be7af5cf | 237 | if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) { |
7cf06bc6 | 238 | ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr); |
be7af5cf ML |
239 | if (ret) |
240 | goto dropped; | |
241 | } | |
242 | ||
88ed1e77 | 243 | ret = batadv_unicast_send_skb(skb, bat_priv); |
c6c8fea2 SE |
244 | if (ret != 0) |
245 | goto dropped_freed; | |
246 | } | |
247 | ||
248 | bat_priv->stats.tx_packets++; | |
249 | bat_priv->stats.tx_bytes += data_len; | |
250 | goto end; | |
251 | ||
252 | dropped: | |
253 | kfree_skb(skb); | |
254 | dropped_freed: | |
255 | bat_priv->stats.tx_dropped++; | |
256 | end: | |
32ae9b22 | 257 | if (primary_if) |
e5d89254 | 258 | batadv_hardif_free_ref(primary_if); |
c6c8fea2 SE |
259 | return NETDEV_TX_OK; |
260 | } | |
261 | ||
04b482a2 SE |
262 | void batadv_interface_rx(struct net_device *soft_iface, |
263 | struct sk_buff *skb, struct hard_iface *recv_if, | |
264 | int hdr_size) | |
c6c8fea2 SE |
265 | { |
266 | struct bat_priv *bat_priv = netdev_priv(soft_iface); | |
c6c8fea2 SE |
267 | struct ethhdr *ethhdr; |
268 | struct vlan_ethhdr *vhdr; | |
7a5cc242 | 269 | short vid __maybe_unused = -1; |
7e071c79 | 270 | __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); |
c6c8fea2 SE |
271 | |
272 | /* check if enough space is available for pulling, and pull */ | |
273 | if (!pskb_may_pull(skb, hdr_size)) | |
274 | goto dropped; | |
275 | ||
276 | skb_pull_rcsum(skb, hdr_size); | |
277 | skb_reset_mac_header(skb); | |
278 | ||
279 | ethhdr = (struct ethhdr *)skb_mac_header(skb); | |
280 | ||
281 | switch (ntohs(ethhdr->h_proto)) { | |
282 | case ETH_P_8021Q: | |
283 | vhdr = (struct vlan_ethhdr *)skb->data; | |
284 | vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; | |
285 | ||
7e071c79 | 286 | if (vhdr->h_vlan_encapsulated_proto != ethertype) |
c6c8fea2 SE |
287 | break; |
288 | ||
289 | /* fall through */ | |
7e071c79 | 290 | case BATADV_ETH_P_BATMAN: |
c6c8fea2 SE |
291 | goto dropped; |
292 | } | |
293 | ||
c6c8fea2 SE |
294 | /* skb->dev & skb->pkt_type are set here */ |
295 | if (unlikely(!pskb_may_pull(skb, ETH_HLEN))) | |
296 | goto dropped; | |
297 | skb->protocol = eth_type_trans(skb, soft_iface); | |
298 | ||
25985edc | 299 | /* should not be necessary anymore as we use skb_pull_rcsum() |
c6c8fea2 | 300 | * TODO: please verify this and remove this TODO |
9cfc7bd6 SE |
301 | * -- Dec 21st 2009, Simon Wunderlich |
302 | */ | |
c6c8fea2 | 303 | |
9cfc7bd6 | 304 | /* skb->ip_summed = CHECKSUM_UNNECESSARY; */ |
c6c8fea2 SE |
305 | |
306 | bat_priv->stats.rx_packets++; | |
0d125074 | 307 | bat_priv->stats.rx_bytes += skb->len + ETH_HLEN; |
c6c8fea2 SE |
308 | |
309 | soft_iface->last_rx = jiffies; | |
310 | ||
08c36d3e | 311 | if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest)) |
59b699cd AQ |
312 | goto dropped; |
313 | ||
23721387 SW |
314 | /* Let the bridge loop avoidance check the packet. If will |
315 | * not handle it, we can safely push it up. | |
316 | */ | |
08adf151 | 317 | if (batadv_bla_rx(bat_priv, skb, vid)) |
23721387 SW |
318 | goto out; |
319 | ||
c6c8fea2 | 320 | netif_rx(skb); |
ba85fac2 | 321 | goto out; |
c6c8fea2 SE |
322 | |
323 | dropped: | |
324 | kfree_skb(skb); | |
325 | out: | |
326 | return; | |
327 | } | |
328 | ||
0294ca0d SE |
329 | static const struct net_device_ops batadv_netdev_ops = { |
330 | .ndo_open = batadv_interface_open, | |
331 | .ndo_stop = batadv_interface_release, | |
332 | .ndo_get_stats = batadv_interface_stats, | |
333 | .ndo_set_mac_address = batadv_interface_set_mac_addr, | |
334 | .ndo_change_mtu = batadv_interface_change_mtu, | |
335 | .ndo_start_xmit = batadv_interface_tx, | |
c6c8fea2 SE |
336 | .ndo_validate_addr = eth_validate_addr |
337 | }; | |
c6c8fea2 | 338 | |
0294ca0d | 339 | static void batadv_interface_setup(struct net_device *dev) |
c6c8fea2 SE |
340 | { |
341 | struct bat_priv *priv = netdev_priv(dev); | |
c6c8fea2 SE |
342 | |
343 | ether_setup(dev); | |
344 | ||
0294ca0d | 345 | dev->netdev_ops = &batadv_netdev_ops; |
c6c8fea2 | 346 | dev->destructor = free_netdev; |
af20b710 | 347 | dev->tx_queue_len = 0; |
c6c8fea2 | 348 | |
9cfc7bd6 | 349 | /* can't call min_mtu, because the needed variables |
c6c8fea2 SE |
350 | * have not been initialized yet |
351 | */ | |
352 | dev->mtu = ETH_DATA_LEN; | |
6e215fd8 | 353 | /* reserve more space in the skbuff for our header */ |
c11fdfae | 354 | dev->hard_header_len = BATADV_HEADER_LEN; |
c6c8fea2 SE |
355 | |
356 | /* generate random address */ | |
28009a6c | 357 | eth_hw_addr_random(dev); |
c6c8fea2 | 358 | |
0294ca0d | 359 | SET_ETHTOOL_OPS(dev, &batadv_ethtool_ops); |
c6c8fea2 | 360 | |
704509b8 | 361 | memset(priv, 0, sizeof(*priv)); |
c6c8fea2 SE |
362 | } |
363 | ||
04b482a2 | 364 | struct net_device *batadv_softif_create(const char *name) |
c6c8fea2 SE |
365 | { |
366 | struct net_device *soft_iface; | |
367 | struct bat_priv *bat_priv; | |
368 | int ret; | |
369 | ||
0294ca0d SE |
370 | soft_iface = alloc_netdev(sizeof(*bat_priv), name, |
371 | batadv_interface_setup); | |
c6c8fea2 | 372 | |
320f422f | 373 | if (!soft_iface) |
c6c8fea2 | 374 | goto out; |
c6c8fea2 | 375 | |
c3caf519 | 376 | ret = register_netdevice(soft_iface); |
c6c8fea2 SE |
377 | if (ret < 0) { |
378 | pr_err("Unable to register the batman interface '%s': %i\n", | |
379 | name, ret); | |
380 | goto free_soft_iface; | |
381 | } | |
382 | ||
383 | bat_priv = netdev_priv(soft_iface); | |
384 | ||
385 | atomic_set(&bat_priv->aggregated_ogms, 1); | |
386 | atomic_set(&bat_priv->bonding, 0); | |
23721387 | 387 | atomic_set(&bat_priv->bridge_loop_avoidance, 0); |
59b699cd | 388 | atomic_set(&bat_priv->ap_isolation, 0); |
c6c8fea2 SE |
389 | atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE); |
390 | atomic_set(&bat_priv->gw_mode, GW_MODE_OFF); | |
391 | atomic_set(&bat_priv->gw_sel_class, 20); | |
392 | atomic_set(&bat_priv->gw_bandwidth, 41); | |
393 | atomic_set(&bat_priv->orig_interval, 1000); | |
8681a1c4 | 394 | atomic_set(&bat_priv->hop_penalty, 30); |
c6c8fea2 SE |
395 | atomic_set(&bat_priv->log_level, 0); |
396 | atomic_set(&bat_priv->fragmentation, 1); | |
42d0b044 SE |
397 | atomic_set(&bat_priv->bcast_queue_left, BATADV_BCAST_QUEUE_LEN); |
398 | atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN); | |
c6c8fea2 SE |
399 | |
400 | atomic_set(&bat_priv->mesh_state, MESH_INACTIVE); | |
401 | atomic_set(&bat_priv->bcast_seqno, 1); | |
a73105b8 AQ |
402 | atomic_set(&bat_priv->ttvn, 0); |
403 | atomic_set(&bat_priv->tt_local_changes, 0); | |
404 | atomic_set(&bat_priv->tt_ogm_append_cnt, 0); | |
23721387 | 405 | atomic_set(&bat_priv->bla_num_requests, 0); |
a73105b8 AQ |
406 | |
407 | bat_priv->tt_buff = NULL; | |
408 | bat_priv->tt_buff_len = 0; | |
cc47f66e | 409 | bat_priv->tt_poss_change = false; |
c6c8fea2 SE |
410 | |
411 | bat_priv->primary_if = NULL; | |
412 | bat_priv->num_ifaces = 0; | |
c6c8fea2 | 413 | |
f8214865 MH |
414 | bat_priv->bat_counters = __alloc_percpu(sizeof(uint64_t) * BAT_CNT_NUM, |
415 | __alignof__(uint64_t)); | |
416 | if (!bat_priv->bat_counters) | |
417 | goto unreg_soft_iface; | |
418 | ||
3193e8fd | 419 | ret = batadv_algo_select(bat_priv, batadv_routing_algo); |
1c280471 | 420 | if (ret < 0) |
f8214865 | 421 | goto free_bat_counters; |
1c280471 | 422 | |
5853e22c | 423 | ret = batadv_sysfs_add_meshif(soft_iface); |
c6c8fea2 | 424 | if (ret < 0) |
f8214865 | 425 | goto free_bat_counters; |
c6c8fea2 | 426 | |
40a072d7 | 427 | ret = batadv_debugfs_add_meshif(soft_iface); |
c6c8fea2 SE |
428 | if (ret < 0) |
429 | goto unreg_sysfs; | |
430 | ||
3193e8fd | 431 | ret = batadv_mesh_init(soft_iface); |
c6c8fea2 SE |
432 | if (ret < 0) |
433 | goto unreg_debugfs; | |
434 | ||
435 | return soft_iface; | |
436 | ||
437 | unreg_debugfs: | |
40a072d7 | 438 | batadv_debugfs_del_meshif(soft_iface); |
c6c8fea2 | 439 | unreg_sysfs: |
5853e22c | 440 | batadv_sysfs_del_meshif(soft_iface); |
f8214865 MH |
441 | free_bat_counters: |
442 | free_percpu(bat_priv->bat_counters); | |
c6c8fea2 | 443 | unreg_soft_iface: |
06ba7ce2 | 444 | unregister_netdevice(soft_iface); |
c6c8fea2 SE |
445 | return NULL; |
446 | ||
447 | free_soft_iface: | |
448 | free_netdev(soft_iface); | |
449 | out: | |
450 | return NULL; | |
451 | } | |
452 | ||
04b482a2 | 453 | void batadv_softif_destroy(struct net_device *soft_iface) |
c6c8fea2 | 454 | { |
40a072d7 | 455 | batadv_debugfs_del_meshif(soft_iface); |
5853e22c | 456 | batadv_sysfs_del_meshif(soft_iface); |
3193e8fd | 457 | batadv_mesh_free(soft_iface); |
c6c8fea2 SE |
458 | unregister_netdevice(soft_iface); |
459 | } | |
460 | ||
04b482a2 | 461 | int batadv_softif_is_valid(const struct net_device *net_dev) |
e44d8fe2 | 462 | { |
0294ca0d | 463 | if (net_dev->netdev_ops->ndo_start_xmit == batadv_interface_tx) |
e44d8fe2 | 464 | return 1; |
e44d8fe2 SE |
465 | |
466 | return 0; | |
467 | } | |
468 | ||
c6c8fea2 | 469 | /* ethtool */ |
0294ca0d | 470 | static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
c6c8fea2 SE |
471 | { |
472 | cmd->supported = 0; | |
473 | cmd->advertising = 0; | |
70739497 | 474 | ethtool_cmd_speed_set(cmd, SPEED_10); |
c6c8fea2 SE |
475 | cmd->duplex = DUPLEX_FULL; |
476 | cmd->port = PORT_TP; | |
477 | cmd->phy_address = 0; | |
478 | cmd->transceiver = XCVR_INTERNAL; | |
479 | cmd->autoneg = AUTONEG_DISABLE; | |
480 | cmd->maxtxpkt = 0; | |
481 | cmd->maxrxpkt = 0; | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
0294ca0d SE |
486 | static void batadv_get_drvinfo(struct net_device *dev, |
487 | struct ethtool_drvinfo *info) | |
c6c8fea2 SE |
488 | { |
489 | strcpy(info->driver, "B.A.T.M.A.N. advanced"); | |
42d0b044 | 490 | strcpy(info->version, BATADV_SOURCE_VERSION); |
c6c8fea2 SE |
491 | strcpy(info->fw_version, "N/A"); |
492 | strcpy(info->bus_info, "batman"); | |
493 | } | |
494 | ||
0294ca0d | 495 | static u32 batadv_get_msglevel(struct net_device *dev) |
c6c8fea2 SE |
496 | { |
497 | return -EOPNOTSUPP; | |
498 | } | |
499 | ||
0294ca0d | 500 | static void batadv_set_msglevel(struct net_device *dev, u32 value) |
c6c8fea2 SE |
501 | { |
502 | } | |
503 | ||
0294ca0d | 504 | static u32 batadv_get_link(struct net_device *dev) |
c6c8fea2 SE |
505 | { |
506 | return 1; | |
507 | } | |
f8214865 MH |
508 | |
509 | /* Inspired by drivers/net/ethernet/dlink/sundance.c:1702 | |
510 | * Declare each description string in struct.name[] to get fixed sized buffer | |
511 | * and compile time checking for strings longer than ETH_GSTRING_LEN. | |
512 | */ | |
513 | static const struct { | |
514 | const char name[ETH_GSTRING_LEN]; | |
0294ca0d | 515 | } batadv_counters_strings[] = { |
f8214865 MH |
516 | { "forward" }, |
517 | { "forward_bytes" }, | |
518 | { "mgmt_tx" }, | |
519 | { "mgmt_tx_bytes" }, | |
520 | { "mgmt_rx" }, | |
521 | { "mgmt_rx_bytes" }, | |
522 | { "tt_request_tx" }, | |
523 | { "tt_request_rx" }, | |
524 | { "tt_response_tx" }, | |
525 | { "tt_response_rx" }, | |
526 | { "tt_roam_adv_tx" }, | |
527 | { "tt_roam_adv_rx" }, | |
528 | }; | |
529 | ||
530 | static void batadv_get_strings(struct net_device *dev, uint32_t stringset, | |
531 | uint8_t *data) | |
532 | { | |
533 | if (stringset == ETH_SS_STATS) | |
0294ca0d SE |
534 | memcpy(data, batadv_counters_strings, |
535 | sizeof(batadv_counters_strings)); | |
f8214865 MH |
536 | } |
537 | ||
538 | static void batadv_get_ethtool_stats(struct net_device *dev, | |
539 | struct ethtool_stats *stats, | |
540 | uint64_t *data) | |
541 | { | |
542 | struct bat_priv *bat_priv = netdev_priv(dev); | |
543 | int i; | |
544 | ||
545 | for (i = 0; i < BAT_CNT_NUM; i++) | |
546 | data[i] = batadv_sum_counter(bat_priv, i); | |
547 | } | |
548 | ||
549 | static int batadv_get_sset_count(struct net_device *dev, int stringset) | |
550 | { | |
551 | if (stringset == ETH_SS_STATS) | |
552 | return BAT_CNT_NUM; | |
553 | ||
554 | return -EOPNOTSUPP; | |
555 | } |