diff options
Diffstat (limited to 'net/batman-adv/soft-interface.c')
-rw-r--r-- | net/batman-adv/soft-interface.c | 304 |
1 files changed, 186 insertions, 118 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index a0ec0e4ada4c..109ea2aae96c 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c | |||
@@ -1,5 +1,4 @@ | |||
1 | /* | 1 | /* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors: |
2 | * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors: | ||
3 | * | 2 | * |
4 | * Marek Lindner, Simon Wunderlich | 3 | * Marek Lindner, Simon Wunderlich |
5 | * | 4 | * |
@@ -16,7 +15,6 @@ | |||
16 | * along with this program; if not, write to the Free Software | 15 | * along with this program; if not, write to the Free Software |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
18 | * 02110-1301, USA | 17 | * 02110-1301, USA |
19 | * | ||
20 | */ | 18 | */ |
21 | 19 | ||
22 | #include "main.h" | 20 | #include "main.h" |
@@ -24,12 +22,12 @@ | |||
24 | #include "hard-interface.h" | 22 | #include "hard-interface.h" |
25 | #include "routing.h" | 23 | #include "routing.h" |
26 | #include "send.h" | 24 | #include "send.h" |
27 | #include "bat_debugfs.h" | 25 | #include "debugfs.h" |
28 | #include "translation-table.h" | 26 | #include "translation-table.h" |
29 | #include "hash.h" | 27 | #include "hash.h" |
30 | #include "gateway_common.h" | 28 | #include "gateway_common.h" |
31 | #include "gateway_client.h" | 29 | #include "gateway_client.h" |
32 | #include "bat_sysfs.h" | 30 | #include "sysfs.h" |
33 | #include "originator.h" | 31 | #include "originator.h" |
34 | #include <linux/slab.h> | 32 | #include <linux/slab.h> |
35 | #include <linux/ethtool.h> | 33 | #include <linux/ethtool.h> |
@@ -39,27 +37,33 @@ | |||
39 | #include "bridge_loop_avoidance.h" | 37 | #include "bridge_loop_avoidance.h" |
40 | 38 | ||
41 | 39 | ||
42 | static int bat_get_settings(struct net_device *dev, struct ethtool_cmd *cmd); | 40 | static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd); |
43 | static void bat_get_drvinfo(struct net_device *dev, | 41 | static void batadv_get_drvinfo(struct net_device *dev, |
44 | struct ethtool_drvinfo *info); | 42 | struct ethtool_drvinfo *info); |
45 | static u32 bat_get_msglevel(struct net_device *dev); | 43 | static u32 batadv_get_msglevel(struct net_device *dev); |
46 | static void bat_set_msglevel(struct net_device *dev, u32 value); | 44 | static void batadv_set_msglevel(struct net_device *dev, u32 value); |
47 | static u32 bat_get_link(struct net_device *dev); | 45 | static u32 batadv_get_link(struct net_device *dev); |
48 | 46 | static void batadv_get_strings(struct net_device *dev, u32 stringset, u8 *data); | |
49 | static const struct ethtool_ops bat_ethtool_ops = { | 47 | static void batadv_get_ethtool_stats(struct net_device *dev, |
50 | .get_settings = bat_get_settings, | 48 | struct ethtool_stats *stats, u64 *data); |
51 | .get_drvinfo = bat_get_drvinfo, | 49 | static int batadv_get_sset_count(struct net_device *dev, int stringset); |
52 | .get_msglevel = bat_get_msglevel, | 50 | |
53 | .set_msglevel = bat_set_msglevel, | 51 | static const struct ethtool_ops batadv_ethtool_ops = { |
54 | .get_link = bat_get_link, | 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, | ||
57 | .get_strings = batadv_get_strings, | ||
58 | .get_ethtool_stats = batadv_get_ethtool_stats, | ||
59 | .get_sset_count = batadv_get_sset_count, | ||
55 | }; | 60 | }; |
56 | 61 | ||
57 | int my_skb_head_push(struct sk_buff *skb, unsigned int len) | 62 | int batadv_skb_head_push(struct sk_buff *skb, unsigned int len) |
58 | { | 63 | { |
59 | int result; | 64 | int result; |
60 | 65 | ||
61 | /** | 66 | /* TODO: We must check if we can release all references to non-payload |
62 | * TODO: We must check if we can release all references to non-payload | ||
63 | * data using skb_header_release in our skbs to allow skb_cow_header to | 67 | * data using skb_header_release in our skbs to allow skb_cow_header to |
64 | * work optimally. This means that those skbs are not allowed to read | 68 | * work optimally. This means that those skbs are not allowed to read |
65 | * or write any data which is before the current position of skb->data | 69 | * or write any data which is before the current position of skb->data |
@@ -74,37 +78,37 @@ int my_skb_head_push(struct sk_buff *skb, unsigned int len) | |||
74 | return 0; | 78 | return 0; |
75 | } | 79 | } |
76 | 80 | ||
77 | static int interface_open(struct net_device *dev) | 81 | static int batadv_interface_open(struct net_device *dev) |
78 | { | 82 | { |
79 | netif_start_queue(dev); | 83 | netif_start_queue(dev); |
80 | return 0; | 84 | return 0; |
81 | } | 85 | } |
82 | 86 | ||
83 | static int interface_release(struct net_device *dev) | 87 | static int batadv_interface_release(struct net_device *dev) |
84 | { | 88 | { |
85 | netif_stop_queue(dev); | 89 | netif_stop_queue(dev); |
86 | return 0; | 90 | return 0; |
87 | } | 91 | } |
88 | 92 | ||
89 | static struct net_device_stats *interface_stats(struct net_device *dev) | 93 | static struct net_device_stats *batadv_interface_stats(struct net_device *dev) |
90 | { | 94 | { |
91 | struct bat_priv *bat_priv = netdev_priv(dev); | 95 | struct batadv_priv *bat_priv = netdev_priv(dev); |
92 | return &bat_priv->stats; | 96 | return &bat_priv->stats; |
93 | } | 97 | } |
94 | 98 | ||
95 | static int interface_set_mac_addr(struct net_device *dev, void *p) | 99 | static int batadv_interface_set_mac_addr(struct net_device *dev, void *p) |
96 | { | 100 | { |
97 | struct bat_priv *bat_priv = netdev_priv(dev); | 101 | struct batadv_priv *bat_priv = netdev_priv(dev); |
98 | struct sockaddr *addr = p; | 102 | struct sockaddr *addr = p; |
99 | 103 | ||
100 | if (!is_valid_ether_addr(addr->sa_data)) | 104 | if (!is_valid_ether_addr(addr->sa_data)) |
101 | return -EADDRNOTAVAIL; | 105 | return -EADDRNOTAVAIL; |
102 | 106 | ||
103 | /* only modify transtable if it has been initialized before */ | 107 | /* only modify transtable if it has been initialized before */ |
104 | if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) { | 108 | if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) { |
105 | tt_local_remove(bat_priv, dev->dev_addr, | 109 | batadv_tt_local_remove(bat_priv, dev->dev_addr, |
106 | "mac address changed", false); | 110 | "mac address changed", false); |
107 | tt_local_add(dev, addr->sa_data, NULL_IFINDEX); | 111 | batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX); |
108 | } | 112 | } |
109 | 113 | ||
110 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); | 114 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
@@ -112,10 +116,10 @@ static int interface_set_mac_addr(struct net_device *dev, void *p) | |||
112 | return 0; | 116 | return 0; |
113 | } | 117 | } |
114 | 118 | ||
115 | static int interface_change_mtu(struct net_device *dev, int new_mtu) | 119 | static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu) |
116 | { | 120 | { |
117 | /* check ranges */ | 121 | /* check ranges */ |
118 | if ((new_mtu < 68) || (new_mtu > hardif_min_mtu(dev))) | 122 | if ((new_mtu < 68) || (new_mtu > batadv_hardif_min_mtu(dev))) |
119 | return -EINVAL; | 123 | return -EINVAL; |
120 | 124 | ||
121 | dev->mtu = new_mtu; | 125 | dev->mtu = new_mtu; |
@@ -123,13 +127,15 @@ static int interface_change_mtu(struct net_device *dev, int new_mtu) | |||
123 | return 0; | 127 | return 0; |
124 | } | 128 | } |
125 | 129 | ||
126 | static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) | 130 | static int batadv_interface_tx(struct sk_buff *skb, |
131 | struct net_device *soft_iface) | ||
127 | { | 132 | { |
128 | struct ethhdr *ethhdr = (struct ethhdr *)skb->data; | 133 | struct ethhdr *ethhdr = (struct ethhdr *)skb->data; |
129 | struct bat_priv *bat_priv = netdev_priv(soft_iface); | 134 | struct batadv_priv *bat_priv = netdev_priv(soft_iface); |
130 | struct hard_iface *primary_if = NULL; | 135 | struct batadv_hard_iface *primary_if = NULL; |
131 | struct bcast_packet *bcast_packet; | 136 | struct batadv_bcast_packet *bcast_packet; |
132 | struct vlan_ethhdr *vhdr; | 137 | struct vlan_ethhdr *vhdr; |
138 | __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); | ||
133 | static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00, | 139 | static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00, |
134 | 0x00}; | 140 | 0x00}; |
135 | unsigned int header_len = 0; | 141 | unsigned int header_len = 0; |
@@ -137,7 +143,7 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) | |||
137 | short vid __maybe_unused = -1; | 143 | short vid __maybe_unused = -1; |
138 | bool do_bcast = false; | 144 | bool do_bcast = false; |
139 | 145 | ||
140 | if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) | 146 | if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) |
141 | goto dropped; | 147 | goto dropped; |
142 | 148 | ||
143 | soft_iface->trans_start = jiffies; | 149 | soft_iface->trans_start = jiffies; |
@@ -147,45 +153,47 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) | |||
147 | vhdr = (struct vlan_ethhdr *)skb->data; | 153 | vhdr = (struct vlan_ethhdr *)skb->data; |
148 | vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; | 154 | vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; |
149 | 155 | ||
150 | if (ntohs(vhdr->h_vlan_encapsulated_proto) != ETH_P_BATMAN) | 156 | if (vhdr->h_vlan_encapsulated_proto != ethertype) |
151 | break; | 157 | break; |
152 | 158 | ||
153 | /* fall through */ | 159 | /* fall through */ |
154 | case ETH_P_BATMAN: | 160 | case BATADV_ETH_P_BATMAN: |
155 | goto dropped; | 161 | goto dropped; |
156 | } | 162 | } |
157 | 163 | ||
158 | if (bla_tx(bat_priv, skb, vid)) | 164 | if (batadv_bla_tx(bat_priv, skb, vid)) |
159 | goto dropped; | 165 | goto dropped; |
160 | 166 | ||
161 | /* Register the client MAC in the transtable */ | 167 | /* Register the client MAC in the transtable */ |
162 | tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif); | 168 | batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif); |
163 | 169 | ||
164 | /* don't accept stp packets. STP does not help in meshes. | 170 | /* don't accept stp packets. STP does not help in meshes. |
165 | * better use the bridge loop avoidance ... | 171 | * better use the bridge loop avoidance ... |
166 | */ | 172 | */ |
167 | if (compare_eth(ethhdr->h_dest, stp_addr)) | 173 | if (batadv_compare_eth(ethhdr->h_dest, stp_addr)) |
168 | goto dropped; | 174 | goto dropped; |
169 | 175 | ||
170 | if (is_multicast_ether_addr(ethhdr->h_dest)) { | 176 | if (is_multicast_ether_addr(ethhdr->h_dest)) { |
171 | do_bcast = true; | 177 | do_bcast = true; |
172 | 178 | ||
173 | switch (atomic_read(&bat_priv->gw_mode)) { | 179 | switch (atomic_read(&bat_priv->gw_mode)) { |
174 | case GW_MODE_SERVER: | 180 | case BATADV_GW_MODE_SERVER: |
175 | /* gateway servers should not send dhcp | 181 | /* gateway servers should not send dhcp |
176 | * requests into the mesh */ | 182 | * requests into the mesh |
177 | ret = gw_is_dhcp_target(skb, &header_len); | 183 | */ |
184 | ret = batadv_gw_is_dhcp_target(skb, &header_len); | ||
178 | if (ret) | 185 | if (ret) |
179 | goto dropped; | 186 | goto dropped; |
180 | break; | 187 | break; |
181 | case GW_MODE_CLIENT: | 188 | case BATADV_GW_MODE_CLIENT: |
182 | /* gateway clients should send dhcp requests | 189 | /* gateway clients should send dhcp requests |
183 | * via unicast to their gateway */ | 190 | * via unicast to their gateway |
184 | ret = gw_is_dhcp_target(skb, &header_len); | 191 | */ |
192 | ret = batadv_gw_is_dhcp_target(skb, &header_len); | ||
185 | if (ret) | 193 | if (ret) |
186 | do_bcast = false; | 194 | do_bcast = false; |
187 | break; | 195 | break; |
188 | case GW_MODE_OFF: | 196 | case BATADV_GW_MODE_OFF: |
189 | default: | 197 | default: |
190 | break; | 198 | break; |
191 | } | 199 | } |
@@ -193,22 +201,24 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) | |||
193 | 201 | ||
194 | /* ethernet packet should be broadcasted */ | 202 | /* ethernet packet should be broadcasted */ |
195 | if (do_bcast) { | 203 | if (do_bcast) { |
196 | primary_if = primary_if_get_selected(bat_priv); | 204 | primary_if = batadv_primary_if_get_selected(bat_priv); |
197 | if (!primary_if) | 205 | if (!primary_if) |
198 | goto dropped; | 206 | goto dropped; |
199 | 207 | ||
200 | if (my_skb_head_push(skb, sizeof(*bcast_packet)) < 0) | 208 | if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0) |
201 | goto dropped; | 209 | goto dropped; |
202 | 210 | ||
203 | bcast_packet = (struct bcast_packet *)skb->data; | 211 | bcast_packet = (struct batadv_bcast_packet *)skb->data; |
204 | bcast_packet->header.version = COMPAT_VERSION; | 212 | bcast_packet->header.version = BATADV_COMPAT_VERSION; |
205 | bcast_packet->header.ttl = TTL; | 213 | bcast_packet->header.ttl = BATADV_TTL; |
206 | 214 | ||
207 | /* batman packet type: broadcast */ | 215 | /* batman packet type: broadcast */ |
208 | bcast_packet->header.packet_type = BAT_BCAST; | 216 | bcast_packet->header.packet_type = BATADV_BCAST; |
217 | bcast_packet->reserved = 0; | ||
209 | 218 | ||
210 | /* hw address of first interface is the orig mac because only | 219 | /* hw address of first interface is the orig mac because only |
211 | * this mac is known throughout the mesh */ | 220 | * this mac is known throughout the mesh |
221 | */ | ||
212 | memcpy(bcast_packet->orig, | 222 | memcpy(bcast_packet->orig, |
213 | primary_if->net_dev->dev_addr, ETH_ALEN); | 223 | primary_if->net_dev->dev_addr, ETH_ALEN); |
214 | 224 | ||
@@ -216,21 +226,22 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) | |||
216 | bcast_packet->seqno = | 226 | bcast_packet->seqno = |
217 | htonl(atomic_inc_return(&bat_priv->bcast_seqno)); | 227 | htonl(atomic_inc_return(&bat_priv->bcast_seqno)); |
218 | 228 | ||
219 | add_bcast_packet_to_list(bat_priv, skb, 1); | 229 | batadv_add_bcast_packet_to_list(bat_priv, skb, 1); |
220 | 230 | ||
221 | /* a copy is stored in the bcast list, therefore removing | 231 | /* a copy is stored in the bcast list, therefore removing |
222 | * the original skb. */ | 232 | * the original skb. |
233 | */ | ||
223 | kfree_skb(skb); | 234 | kfree_skb(skb); |
224 | 235 | ||
225 | /* unicast packet */ | 236 | /* unicast packet */ |
226 | } else { | 237 | } else { |
227 | if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) { | 238 | if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) { |
228 | ret = gw_out_of_range(bat_priv, skb, ethhdr); | 239 | ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr); |
229 | if (ret) | 240 | if (ret) |
230 | goto dropped; | 241 | goto dropped; |
231 | } | 242 | } |
232 | 243 | ||
233 | ret = unicast_send_skb(skb, bat_priv); | 244 | ret = batadv_unicast_send_skb(skb, bat_priv); |
234 | if (ret != 0) | 245 | if (ret != 0) |
235 | goto dropped_freed; | 246 | goto dropped_freed; |
236 | } | 247 | } |
@@ -245,22 +256,23 @@ dropped_freed: | |||
245 | bat_priv->stats.tx_dropped++; | 256 | bat_priv->stats.tx_dropped++; |
246 | end: | 257 | end: |
247 | if (primary_if) | 258 | if (primary_if) |
248 | hardif_free_ref(primary_if); | 259 | batadv_hardif_free_ref(primary_if); |
249 | return NETDEV_TX_OK; | 260 | return NETDEV_TX_OK; |
250 | } | 261 | } |
251 | 262 | ||
252 | void interface_rx(struct net_device *soft_iface, | 263 | void batadv_interface_rx(struct net_device *soft_iface, |
253 | struct sk_buff *skb, struct hard_iface *recv_if, | 264 | struct sk_buff *skb, struct batadv_hard_iface *recv_if, |
254 | int hdr_size) | 265 | int hdr_size) |
255 | { | 266 | { |
256 | struct bat_priv *bat_priv = netdev_priv(soft_iface); | 267 | struct batadv_priv *bat_priv = netdev_priv(soft_iface); |
257 | struct ethhdr *ethhdr; | 268 | struct ethhdr *ethhdr; |
258 | struct vlan_ethhdr *vhdr; | 269 | struct vlan_ethhdr *vhdr; |
259 | struct batman_header *batadv_header = (struct batman_header *)skb->data; | 270 | struct batadv_header *batadv_header = (struct batadv_header *)skb->data; |
260 | short vid __maybe_unused = -1; | 271 | short vid __maybe_unused = -1; |
272 | __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); | ||
261 | bool is_bcast; | 273 | bool is_bcast; |
262 | 274 | ||
263 | is_bcast = (batadv_header->packet_type == BAT_BCAST); | 275 | is_bcast = (batadv_header->packet_type == BATADV_BCAST); |
264 | 276 | ||
265 | /* check if enough space is available for pulling, and pull */ | 277 | /* check if enough space is available for pulling, and pull */ |
266 | if (!pskb_may_pull(skb, hdr_size)) | 278 | if (!pskb_may_pull(skb, hdr_size)) |
@@ -276,11 +288,11 @@ void interface_rx(struct net_device *soft_iface, | |||
276 | vhdr = (struct vlan_ethhdr *)skb->data; | 288 | vhdr = (struct vlan_ethhdr *)skb->data; |
277 | vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; | 289 | vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; |
278 | 290 | ||
279 | if (ntohs(vhdr->h_vlan_encapsulated_proto) != ETH_P_BATMAN) | 291 | if (vhdr->h_vlan_encapsulated_proto != ethertype) |
280 | break; | 292 | break; |
281 | 293 | ||
282 | /* fall through */ | 294 | /* fall through */ |
283 | case ETH_P_BATMAN: | 295 | case BATADV_ETH_P_BATMAN: |
284 | goto dropped; | 296 | goto dropped; |
285 | } | 297 | } |
286 | 298 | ||
@@ -291,22 +303,23 @@ void interface_rx(struct net_device *soft_iface, | |||
291 | 303 | ||
292 | /* should not be necessary anymore as we use skb_pull_rcsum() | 304 | /* should not be necessary anymore as we use skb_pull_rcsum() |
293 | * TODO: please verify this and remove this TODO | 305 | * TODO: please verify this and remove this TODO |
294 | * -- Dec 21st 2009, Simon Wunderlich */ | 306 | * -- Dec 21st 2009, Simon Wunderlich |
307 | */ | ||
295 | 308 | ||
296 | /* skb->ip_summed = CHECKSUM_UNNECESSARY;*/ | 309 | /* skb->ip_summed = CHECKSUM_UNNECESSARY; */ |
297 | 310 | ||
298 | bat_priv->stats.rx_packets++; | 311 | bat_priv->stats.rx_packets++; |
299 | bat_priv->stats.rx_bytes += skb->len + ETH_HLEN; | 312 | bat_priv->stats.rx_bytes += skb->len + ETH_HLEN; |
300 | 313 | ||
301 | soft_iface->last_rx = jiffies; | 314 | soft_iface->last_rx = jiffies; |
302 | 315 | ||
303 | if (is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest)) | 316 | if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest)) |
304 | goto dropped; | 317 | goto dropped; |
305 | 318 | ||
306 | /* Let the bridge loop avoidance check the packet. If will | 319 | /* Let the bridge loop avoidance check the packet. If will |
307 | * not handle it, we can safely push it up. | 320 | * not handle it, we can safely push it up. |
308 | */ | 321 | */ |
309 | if (bla_rx(bat_priv, skb, vid, is_bcast)) | 322 | if (batadv_bla_rx(bat_priv, skb, vid, is_bcast)) |
310 | goto out; | 323 | goto out; |
311 | 324 | ||
312 | netif_rx(skb); | 325 | netif_rx(skb); |
@@ -318,49 +331,50 @@ out: | |||
318 | return; | 331 | return; |
319 | } | 332 | } |
320 | 333 | ||
321 | static const struct net_device_ops bat_netdev_ops = { | 334 | static const struct net_device_ops batadv_netdev_ops = { |
322 | .ndo_open = interface_open, | 335 | .ndo_open = batadv_interface_open, |
323 | .ndo_stop = interface_release, | 336 | .ndo_stop = batadv_interface_release, |
324 | .ndo_get_stats = interface_stats, | 337 | .ndo_get_stats = batadv_interface_stats, |
325 | .ndo_set_mac_address = interface_set_mac_addr, | 338 | .ndo_set_mac_address = batadv_interface_set_mac_addr, |
326 | .ndo_change_mtu = interface_change_mtu, | 339 | .ndo_change_mtu = batadv_interface_change_mtu, |
327 | .ndo_start_xmit = interface_tx, | 340 | .ndo_start_xmit = batadv_interface_tx, |
328 | .ndo_validate_addr = eth_validate_addr | 341 | .ndo_validate_addr = eth_validate_addr |
329 | }; | 342 | }; |
330 | 343 | ||
331 | static void interface_setup(struct net_device *dev) | 344 | static void batadv_interface_setup(struct net_device *dev) |
332 | { | 345 | { |
333 | struct bat_priv *priv = netdev_priv(dev); | 346 | struct batadv_priv *priv = netdev_priv(dev); |
334 | 347 | ||
335 | ether_setup(dev); | 348 | ether_setup(dev); |
336 | 349 | ||
337 | dev->netdev_ops = &bat_netdev_ops; | 350 | dev->netdev_ops = &batadv_netdev_ops; |
338 | dev->destructor = free_netdev; | 351 | dev->destructor = free_netdev; |
339 | dev->tx_queue_len = 0; | 352 | dev->tx_queue_len = 0; |
340 | 353 | ||
341 | /** | 354 | /* can't call min_mtu, because the needed variables |
342 | * can't call min_mtu, because the needed variables | ||
343 | * have not been initialized yet | 355 | * have not been initialized yet |
344 | */ | 356 | */ |
345 | dev->mtu = ETH_DATA_LEN; | 357 | dev->mtu = ETH_DATA_LEN; |
346 | /* reserve more space in the skbuff for our header */ | 358 | /* reserve more space in the skbuff for our header */ |
347 | dev->hard_header_len = BAT_HEADER_LEN; | 359 | dev->hard_header_len = BATADV_HEADER_LEN; |
348 | 360 | ||
349 | /* generate random address */ | 361 | /* generate random address */ |
350 | eth_hw_addr_random(dev); | 362 | eth_hw_addr_random(dev); |
351 | 363 | ||
352 | SET_ETHTOOL_OPS(dev, &bat_ethtool_ops); | 364 | SET_ETHTOOL_OPS(dev, &batadv_ethtool_ops); |
353 | 365 | ||
354 | memset(priv, 0, sizeof(*priv)); | 366 | memset(priv, 0, sizeof(*priv)); |
355 | } | 367 | } |
356 | 368 | ||
357 | struct net_device *softif_create(const char *name) | 369 | struct net_device *batadv_softif_create(const char *name) |
358 | { | 370 | { |
359 | struct net_device *soft_iface; | 371 | struct net_device *soft_iface; |
360 | struct bat_priv *bat_priv; | 372 | struct batadv_priv *bat_priv; |
361 | int ret; | 373 | int ret; |
374 | size_t cnt_len = sizeof(uint64_t) * BATADV_CNT_NUM; | ||
362 | 375 | ||
363 | soft_iface = alloc_netdev(sizeof(*bat_priv), name, interface_setup); | 376 | soft_iface = alloc_netdev(sizeof(*bat_priv), name, |
377 | batadv_interface_setup); | ||
364 | 378 | ||
365 | if (!soft_iface) | 379 | if (!soft_iface) |
366 | goto out; | 380 | goto out; |
@@ -378,18 +392,18 @@ struct net_device *softif_create(const char *name) | |||
378 | atomic_set(&bat_priv->bonding, 0); | 392 | atomic_set(&bat_priv->bonding, 0); |
379 | atomic_set(&bat_priv->bridge_loop_avoidance, 0); | 393 | atomic_set(&bat_priv->bridge_loop_avoidance, 0); |
380 | atomic_set(&bat_priv->ap_isolation, 0); | 394 | atomic_set(&bat_priv->ap_isolation, 0); |
381 | atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE); | 395 | atomic_set(&bat_priv->vis_mode, BATADV_VIS_TYPE_CLIENT_UPDATE); |
382 | atomic_set(&bat_priv->gw_mode, GW_MODE_OFF); | 396 | atomic_set(&bat_priv->gw_mode, BATADV_GW_MODE_OFF); |
383 | atomic_set(&bat_priv->gw_sel_class, 20); | 397 | atomic_set(&bat_priv->gw_sel_class, 20); |
384 | atomic_set(&bat_priv->gw_bandwidth, 41); | 398 | atomic_set(&bat_priv->gw_bandwidth, 41); |
385 | atomic_set(&bat_priv->orig_interval, 1000); | 399 | atomic_set(&bat_priv->orig_interval, 1000); |
386 | atomic_set(&bat_priv->hop_penalty, 30); | 400 | atomic_set(&bat_priv->hop_penalty, 30); |
387 | atomic_set(&bat_priv->log_level, 0); | 401 | atomic_set(&bat_priv->log_level, 0); |
388 | atomic_set(&bat_priv->fragmentation, 1); | 402 | atomic_set(&bat_priv->fragmentation, 1); |
389 | atomic_set(&bat_priv->bcast_queue_left, BCAST_QUEUE_LEN); | 403 | atomic_set(&bat_priv->bcast_queue_left, BATADV_BCAST_QUEUE_LEN); |
390 | atomic_set(&bat_priv->batman_queue_left, BATMAN_QUEUE_LEN); | 404 | atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN); |
391 | 405 | ||
392 | atomic_set(&bat_priv->mesh_state, MESH_INACTIVE); | 406 | atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE); |
393 | atomic_set(&bat_priv->bcast_seqno, 1); | 407 | atomic_set(&bat_priv->bcast_seqno, 1); |
394 | atomic_set(&bat_priv->ttvn, 0); | 408 | atomic_set(&bat_priv->ttvn, 0); |
395 | atomic_set(&bat_priv->tt_local_changes, 0); | 409 | atomic_set(&bat_priv->tt_local_changes, 0); |
@@ -403,28 +417,34 @@ struct net_device *softif_create(const char *name) | |||
403 | bat_priv->primary_if = NULL; | 417 | bat_priv->primary_if = NULL; |
404 | bat_priv->num_ifaces = 0; | 418 | bat_priv->num_ifaces = 0; |
405 | 419 | ||
406 | ret = bat_algo_select(bat_priv, bat_routing_algo); | 420 | bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(uint64_t)); |
407 | if (ret < 0) | 421 | if (!bat_priv->bat_counters) |
408 | goto unreg_soft_iface; | 422 | goto unreg_soft_iface; |
409 | 423 | ||
410 | ret = sysfs_add_meshif(soft_iface); | 424 | ret = batadv_algo_select(bat_priv, batadv_routing_algo); |
411 | if (ret < 0) | 425 | if (ret < 0) |
412 | goto unreg_soft_iface; | 426 | goto free_bat_counters; |
413 | 427 | ||
414 | ret = debugfs_add_meshif(soft_iface); | 428 | ret = batadv_sysfs_add_meshif(soft_iface); |
429 | if (ret < 0) | ||
430 | goto free_bat_counters; | ||
431 | |||
432 | ret = batadv_debugfs_add_meshif(soft_iface); | ||
415 | if (ret < 0) | 433 | if (ret < 0) |
416 | goto unreg_sysfs; | 434 | goto unreg_sysfs; |
417 | 435 | ||
418 | ret = mesh_init(soft_iface); | 436 | ret = batadv_mesh_init(soft_iface); |
419 | if (ret < 0) | 437 | if (ret < 0) |
420 | goto unreg_debugfs; | 438 | goto unreg_debugfs; |
421 | 439 | ||
422 | return soft_iface; | 440 | return soft_iface; |
423 | 441 | ||
424 | unreg_debugfs: | 442 | unreg_debugfs: |
425 | debugfs_del_meshif(soft_iface); | 443 | batadv_debugfs_del_meshif(soft_iface); |
426 | unreg_sysfs: | 444 | unreg_sysfs: |
427 | sysfs_del_meshif(soft_iface); | 445 | batadv_sysfs_del_meshif(soft_iface); |
446 | free_bat_counters: | ||
447 | free_percpu(bat_priv->bat_counters); | ||
428 | unreg_soft_iface: | 448 | unreg_soft_iface: |
429 | unregister_netdevice(soft_iface); | 449 | unregister_netdevice(soft_iface); |
430 | return NULL; | 450 | return NULL; |
@@ -435,24 +455,24 @@ out: | |||
435 | return NULL; | 455 | return NULL; |
436 | } | 456 | } |
437 | 457 | ||
438 | void softif_destroy(struct net_device *soft_iface) | 458 | void batadv_softif_destroy(struct net_device *soft_iface) |
439 | { | 459 | { |
440 | debugfs_del_meshif(soft_iface); | 460 | batadv_debugfs_del_meshif(soft_iface); |
441 | sysfs_del_meshif(soft_iface); | 461 | batadv_sysfs_del_meshif(soft_iface); |
442 | mesh_free(soft_iface); | 462 | batadv_mesh_free(soft_iface); |
443 | unregister_netdevice(soft_iface); | 463 | unregister_netdevice(soft_iface); |
444 | } | 464 | } |
445 | 465 | ||
446 | int softif_is_valid(const struct net_device *net_dev) | 466 | int batadv_softif_is_valid(const struct net_device *net_dev) |
447 | { | 467 | { |
448 | if (net_dev->netdev_ops->ndo_start_xmit == interface_tx) | 468 | if (net_dev->netdev_ops->ndo_start_xmit == batadv_interface_tx) |
449 | return 1; | 469 | return 1; |
450 | 470 | ||
451 | return 0; | 471 | return 0; |
452 | } | 472 | } |
453 | 473 | ||
454 | /* ethtool */ | 474 | /* ethtool */ |
455 | static int bat_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | 475 | static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
456 | { | 476 | { |
457 | cmd->supported = 0; | 477 | cmd->supported = 0; |
458 | cmd->advertising = 0; | 478 | cmd->advertising = 0; |
@@ -468,25 +488,73 @@ static int bat_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |||
468 | return 0; | 488 | return 0; |
469 | } | 489 | } |
470 | 490 | ||
471 | static void bat_get_drvinfo(struct net_device *dev, | 491 | static void batadv_get_drvinfo(struct net_device *dev, |
472 | struct ethtool_drvinfo *info) | 492 | struct ethtool_drvinfo *info) |
473 | { | 493 | { |
474 | strcpy(info->driver, "B.A.T.M.A.N. advanced"); | 494 | strcpy(info->driver, "B.A.T.M.A.N. advanced"); |
475 | strcpy(info->version, SOURCE_VERSION); | 495 | strcpy(info->version, BATADV_SOURCE_VERSION); |
476 | strcpy(info->fw_version, "N/A"); | 496 | strcpy(info->fw_version, "N/A"); |
477 | strcpy(info->bus_info, "batman"); | 497 | strcpy(info->bus_info, "batman"); |
478 | } | 498 | } |
479 | 499 | ||
480 | static u32 bat_get_msglevel(struct net_device *dev) | 500 | static u32 batadv_get_msglevel(struct net_device *dev) |
481 | { | 501 | { |
482 | return -EOPNOTSUPP; | 502 | return -EOPNOTSUPP; |
483 | } | 503 | } |
484 | 504 | ||
485 | static void bat_set_msglevel(struct net_device *dev, u32 value) | 505 | static void batadv_set_msglevel(struct net_device *dev, u32 value) |
486 | { | 506 | { |
487 | } | 507 | } |
488 | 508 | ||
489 | static u32 bat_get_link(struct net_device *dev) | 509 | static u32 batadv_get_link(struct net_device *dev) |
490 | { | 510 | { |
491 | return 1; | 511 | return 1; |
492 | } | 512 | } |
513 | |||
514 | /* Inspired by drivers/net/ethernet/dlink/sundance.c:1702 | ||
515 | * Declare each description string in struct.name[] to get fixed sized buffer | ||
516 | * and compile time checking for strings longer than ETH_GSTRING_LEN. | ||
517 | */ | ||
518 | static const struct { | ||
519 | const char name[ETH_GSTRING_LEN]; | ||
520 | } batadv_counters_strings[] = { | ||
521 | { "forward" }, | ||
522 | { "forward_bytes" }, | ||
523 | { "mgmt_tx" }, | ||
524 | { "mgmt_tx_bytes" }, | ||
525 | { "mgmt_rx" }, | ||
526 | { "mgmt_rx_bytes" }, | ||
527 | { "tt_request_tx" }, | ||
528 | { "tt_request_rx" }, | ||
529 | { "tt_response_tx" }, | ||
530 | { "tt_response_rx" }, | ||
531 | { "tt_roam_adv_tx" }, | ||
532 | { "tt_roam_adv_rx" }, | ||
533 | }; | ||
534 | |||
535 | static void batadv_get_strings(struct net_device *dev, uint32_t stringset, | ||
536 | uint8_t *data) | ||
537 | { | ||
538 | if (stringset == ETH_SS_STATS) | ||
539 | memcpy(data, batadv_counters_strings, | ||
540 | sizeof(batadv_counters_strings)); | ||
541 | } | ||
542 | |||
543 | static void batadv_get_ethtool_stats(struct net_device *dev, | ||
544 | struct ethtool_stats *stats, | ||
545 | uint64_t *data) | ||
546 | { | ||
547 | struct batadv_priv *bat_priv = netdev_priv(dev); | ||
548 | int i; | ||
549 | |||
550 | for (i = 0; i < BATADV_CNT_NUM; i++) | ||
551 | data[i] = batadv_sum_counter(bat_priv, i); | ||
552 | } | ||
553 | |||
554 | static int batadv_get_sset_count(struct net_device *dev, int stringset) | ||
555 | { | ||
556 | if (stringset == ETH_SS_STATS) | ||
557 | return BATADV_CNT_NUM; | ||
558 | |||
559 | return -EOPNOTSUPP; | ||
560 | } | ||