aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
blueswir1 | d40cdb1 | 2009-03-07 16:52:02 +0000 | [diff] [blame] | 24 | #include "config-host.h" |
| 25 | |
Paolo Bonzini | 1422e32 | 2012-10-24 08:43:34 +0200 | [diff] [blame] | 26 | #include "net/net.h" |
Paolo Bonzini | fd9400b | 2012-10-24 11:27:28 +0200 | [diff] [blame] | 27 | #include "clients.h" |
| 28 | #include "hub.h" |
Paolo Bonzini | 1422e32 | 2012-10-24 08:43:34 +0200 | [diff] [blame] | 29 | #include "net/slirp.h" |
Dmitry Krivenok | d60b20c | 2013-10-21 12:08:44 +0400 | [diff] [blame] | 30 | #include "net/eth.h" |
Paolo Bonzini | fd9400b | 2012-10-24 11:27:28 +0200 | [diff] [blame] | 31 | #include "util.h" |
Paolo Bonzini | a245fc1 | 2012-09-17 18:43:51 +0200 | [diff] [blame] | 32 | |
Paolo Bonzini | 83c9089 | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 33 | #include "monitor/monitor.h" |
Mark McLoughlin | 1df49e0 | 2009-11-25 18:48:58 +0000 | [diff] [blame] | 34 | #include "qemu-common.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 35 | #include "qemu/sockets.h" |
| 36 | #include "qemu/config-file.h" |
Luiz Capitulino | 4b37156 | 2011-11-23 13:11:55 -0200 | [diff] [blame] | 37 | #include "qmp-commands.h" |
Amit Shah | 75422b0 | 2010-02-25 17:24:43 +0530 | [diff] [blame] | 38 | #include "hw/qdev.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 39 | #include "qemu/iov.h" |
Alex Bligh | 6a1751b | 2013-08-21 16:02:47 +0100 | [diff] [blame] | 40 | #include "qemu/main-loop.h" |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 41 | #include "qapi-visit.h" |
| 42 | #include "qapi/opts-visitor.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 43 | #include "qapi/dealloc-visitor.h" |
blueswir1 | 511d2b1 | 2009-03-07 15:32:56 +0000 | [diff] [blame] | 44 | |
Stefan Weil | 2944e4e | 2012-02-04 09:24:46 +0100 | [diff] [blame] | 45 | /* Net bridge is currently not supported for W32. */ |
| 46 | #if !defined(_WIN32) |
| 47 | # define CONFIG_NET_BRIDGE |
| 48 | #endif |
| 49 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 50 | static QTAILQ_HEAD(, NetClientState) net_clients; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 51 | |
Gerd Hoffmann | cb4522c | 2009-12-08 13:11:47 +0100 | [diff] [blame] | 52 | int default_net = 1; |
| 53 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 54 | /***********************************************************/ |
| 55 | /* network device redirectors */ |
| 56 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 57 | #if defined(DEBUG_NET) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 58 | static void hex_dump(FILE *f, const uint8_t *buf, int size) |
| 59 | { |
| 60 | int len, i, j, c; |
| 61 | |
| 62 | for(i=0;i<size;i+=16) { |
| 63 | len = size - i; |
| 64 | if (len > 16) |
| 65 | len = 16; |
| 66 | fprintf(f, "%08x ", i); |
| 67 | for(j=0;j<16;j++) { |
| 68 | if (j < len) |
| 69 | fprintf(f, " %02x", buf[i+j]); |
| 70 | else |
| 71 | fprintf(f, " "); |
| 72 | } |
| 73 | fprintf(f, " "); |
| 74 | for(j=0;j<len;j++) { |
| 75 | c = buf[i+j]; |
| 76 | if (c < ' ' || c > '~') |
| 77 | c = '.'; |
| 78 | fprintf(f, "%c", c); |
| 79 | } |
| 80 | fprintf(f, "\n"); |
| 81 | } |
| 82 | } |
| 83 | #endif |
| 84 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 85 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
| 86 | { |
| 87 | const char *p, *p1; |
| 88 | int len; |
| 89 | p = *pp; |
| 90 | p1 = strchr(p, sep); |
| 91 | if (!p1) |
| 92 | return -1; |
| 93 | len = p1 - p; |
| 94 | p1++; |
| 95 | if (buf_size > 0) { |
| 96 | if (len > buf_size - 1) |
| 97 | len = buf_size - 1; |
| 98 | memcpy(buf, p, len); |
| 99 | buf[len] = '\0'; |
| 100 | } |
| 101 | *pp = p1; |
| 102 | return 0; |
| 103 | } |
| 104 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 105 | int parse_host_port(struct sockaddr_in *saddr, const char *str) |
| 106 | { |
| 107 | char buf[512]; |
| 108 | struct hostent *he; |
| 109 | const char *p, *r; |
| 110 | int port; |
| 111 | |
| 112 | p = str; |
| 113 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 114 | return -1; |
| 115 | saddr->sin_family = AF_INET; |
| 116 | if (buf[0] == '\0') { |
| 117 | saddr->sin_addr.s_addr = 0; |
| 118 | } else { |
blueswir1 | cd39008 | 2008-11-16 13:53:32 +0000 | [diff] [blame] | 119 | if (qemu_isdigit(buf[0])) { |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 120 | if (!inet_aton(buf, &saddr->sin_addr)) |
| 121 | return -1; |
| 122 | } else { |
| 123 | if ((he = gethostbyname(buf)) == NULL) |
| 124 | return - 1; |
| 125 | saddr->sin_addr = *(struct in_addr *)he->h_addr; |
| 126 | } |
| 127 | } |
| 128 | port = strtol(p, (char **)&r, 0); |
| 129 | if (r == p) |
| 130 | return -1; |
| 131 | saddr->sin_port = htons(port); |
| 132 | return 0; |
| 133 | } |
| 134 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 135 | void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]) |
aliguori | 7cb7434b | 2009-01-07 17:46:21 +0000 | [diff] [blame] | 136 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 137 | snprintf(nc->info_str, sizeof(nc->info_str), |
aliguori | 4dda406 | 2009-01-08 19:01:37 +0000 | [diff] [blame] | 138 | "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x", |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 139 | nc->model, |
aliguori | 7cb7434b | 2009-01-07 17:46:21 +0000 | [diff] [blame] | 140 | macaddr[0], macaddr[1], macaddr[2], |
| 141 | macaddr[3], macaddr[4], macaddr[5]); |
| 142 | } |
| 143 | |
Gerd Hoffmann | 76d32cb | 2009-10-21 15:25:22 +0200 | [diff] [blame] | 144 | void qemu_macaddr_default_if_unset(MACAddr *macaddr) |
| 145 | { |
| 146 | static int index = 0; |
| 147 | static const MACAddr zero = { .a = { 0,0,0,0,0,0 } }; |
| 148 | |
| 149 | if (memcmp(macaddr, &zero, sizeof(zero)) != 0) |
| 150 | return; |
| 151 | macaddr->a[0] = 0x52; |
| 152 | macaddr->a[1] = 0x54; |
| 153 | macaddr->a[2] = 0x00; |
| 154 | macaddr->a[3] = 0x12; |
| 155 | macaddr->a[4] = 0x34; |
| 156 | macaddr->a[5] = 0x56 + index++; |
| 157 | } |
| 158 | |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 159 | /** |
| 160 | * Generate a name for net client |
| 161 | * |
Amos Kong | c963530 | 2013-04-15 18:55:19 +0800 | [diff] [blame] | 162 | * Only net clients created with the legacy -net option and NICs need this. |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 163 | */ |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 164 | static char *assign_name(NetClientState *nc1, const char *model) |
aliguori | 676cff2 | 2009-01-07 17:43:44 +0000 | [diff] [blame] | 165 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 166 | NetClientState *nc; |
aliguori | 676cff2 | 2009-01-07 17:43:44 +0000 | [diff] [blame] | 167 | int id = 0; |
| 168 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 169 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 170 | if (nc == nc1) { |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 171 | continue; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 172 | } |
Amos Kong | c963530 | 2013-04-15 18:55:19 +0800 | [diff] [blame] | 173 | if (strcmp(nc->model, model) == 0) { |
Markus Armbruster | 53e51d8 | 2011-06-16 18:45:36 +0200 | [diff] [blame] | 174 | id++; |
| 175 | } |
| 176 | } |
| 177 | |
Hani Benhabiles | 4bf2c13 | 2014-01-09 19:34:27 +0100 | [diff] [blame] | 178 | return g_strdup_printf("%s.%d", model, id); |
aliguori | 676cff2 | 2009-01-07 17:43:44 +0000 | [diff] [blame] | 179 | } |
| 180 | |
Jason Wang | f786045 | 2013-01-30 19:12:27 +0800 | [diff] [blame] | 181 | static void qemu_net_client_destructor(NetClientState *nc) |
| 182 | { |
| 183 | g_free(nc); |
| 184 | } |
| 185 | |
Jason Wang | 18a1541 | 2013-01-30 19:12:26 +0800 | [diff] [blame] | 186 | static void qemu_net_client_setup(NetClientState *nc, |
| 187 | NetClientInfo *info, |
| 188 | NetClientState *peer, |
| 189 | const char *model, |
Jason Wang | f786045 | 2013-01-30 19:12:27 +0800 | [diff] [blame] | 190 | const char *name, |
| 191 | NetClientDestructor *destructor) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 192 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 193 | nc->info = info; |
| 194 | nc->model = g_strdup(model); |
Mark McLoughlin | 45460d1 | 2009-11-25 18:49:02 +0000 | [diff] [blame] | 195 | if (name) { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 196 | nc->name = g_strdup(name); |
Mark McLoughlin | 45460d1 | 2009-11-25 18:49:02 +0000 | [diff] [blame] | 197 | } else { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 198 | nc->name = assign_name(nc, model); |
Mark McLoughlin | 45460d1 | 2009-11-25 18:49:02 +0000 | [diff] [blame] | 199 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 200 | |
Stefan Hajnoczi | ab5f3f8 | 2012-07-24 16:35:08 +0100 | [diff] [blame] | 201 | if (peer) { |
| 202 | assert(!peer->peer); |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 203 | nc->peer = peer; |
| 204 | peer->peer = nc; |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 205 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 206 | QTAILQ_INSERT_TAIL(&net_clients, nc, next); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 207 | |
Jan Kiszka | 067404b | 2013-08-02 21:47:08 +0200 | [diff] [blame] | 208 | nc->incoming_queue = qemu_new_net_queue(nc); |
Jason Wang | f786045 | 2013-01-30 19:12:27 +0800 | [diff] [blame] | 209 | nc->destructor = destructor; |
Jason Wang | 18a1541 | 2013-01-30 19:12:26 +0800 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | NetClientState *qemu_new_net_client(NetClientInfo *info, |
| 213 | NetClientState *peer, |
| 214 | const char *model, |
| 215 | const char *name) |
| 216 | { |
| 217 | NetClientState *nc; |
| 218 | |
| 219 | assert(info->size >= sizeof(NetClientState)); |
| 220 | |
| 221 | nc = g_malloc0(info->size); |
Jason Wang | f786045 | 2013-01-30 19:12:27 +0800 | [diff] [blame] | 222 | qemu_net_client_setup(nc, info, peer, model, name, |
| 223 | qemu_net_client_destructor); |
Jason Wang | 18a1541 | 2013-01-30 19:12:26 +0800 | [diff] [blame] | 224 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 225 | return nc; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 228 | NICState *qemu_new_nic(NetClientInfo *info, |
| 229 | NICConf *conf, |
| 230 | const char *model, |
| 231 | const char *name, |
| 232 | void *opaque) |
| 233 | { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 234 | NetClientState **peers = conf->peers.ncs; |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 235 | NICState *nic; |
Jason Wang | f6b26cf | 2013-02-22 23:15:06 +0800 | [diff] [blame] | 236 | int i, queues = MAX(1, conf->queues); |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 237 | |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 238 | assert(info->type == NET_CLIENT_OPTIONS_KIND_NIC); |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 239 | assert(info->size >= sizeof(NICState)); |
| 240 | |
Jason Wang | f6b26cf | 2013-02-22 23:15:06 +0800 | [diff] [blame] | 241 | nic = g_malloc0(info->size + sizeof(NetClientState) * queues); |
| 242 | nic->ncs = (void *)nic + info->size; |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 243 | nic->conf = conf; |
| 244 | nic->opaque = opaque; |
| 245 | |
Jason Wang | f6b26cf | 2013-02-22 23:15:06 +0800 | [diff] [blame] | 246 | for (i = 0; i < queues; i++) { |
| 247 | qemu_net_client_setup(&nic->ncs[i], info, peers[i], model, name, |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 248 | NULL); |
| 249 | nic->ncs[i].queue_index = i; |
| 250 | } |
| 251 | |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 252 | return nic; |
| 253 | } |
| 254 | |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 255 | NetClientState *qemu_get_subqueue(NICState *nic, int queue_index) |
| 256 | { |
Jason Wang | f6b26cf | 2013-02-22 23:15:06 +0800 | [diff] [blame] | 257 | return nic->ncs + queue_index; |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 258 | } |
| 259 | |
Jason Wang | b356f76 | 2013-01-30 19:12:22 +0800 | [diff] [blame] | 260 | NetClientState *qemu_get_queue(NICState *nic) |
| 261 | { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 262 | return qemu_get_subqueue(nic, 0); |
Jason Wang | b356f76 | 2013-01-30 19:12:22 +0800 | [diff] [blame] | 263 | } |
| 264 | |
Jason Wang | cc1f0f4 | 2013-01-30 19:12:23 +0800 | [diff] [blame] | 265 | NICState *qemu_get_nic(NetClientState *nc) |
| 266 | { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 267 | NetClientState *nc0 = nc - nc->queue_index; |
| 268 | |
Jason Wang | f6b26cf | 2013-02-22 23:15:06 +0800 | [diff] [blame] | 269 | return (NICState *)((void *)nc0 - nc->info->size); |
Jason Wang | cc1f0f4 | 2013-01-30 19:12:23 +0800 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | void *qemu_get_nic_opaque(NetClientState *nc) |
| 273 | { |
| 274 | NICState *nic = qemu_get_nic(nc); |
| 275 | |
| 276 | return nic->opaque; |
| 277 | } |
| 278 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 279 | static void qemu_cleanup_net_client(NetClientState *nc) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 280 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 281 | QTAILQ_REMOVE(&net_clients, nc, next); |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 282 | |
Andreas Färber | cc2a904 | 2013-02-12 23:16:06 +0100 | [diff] [blame] | 283 | if (nc->info->cleanup) { |
| 284 | nc->info->cleanup(nc); |
| 285 | } |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 286 | } |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 287 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 288 | static void qemu_free_net_client(NetClientState *nc) |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 289 | { |
Jan Kiszka | 067404b | 2013-08-02 21:47:08 +0200 | [diff] [blame] | 290 | if (nc->incoming_queue) { |
| 291 | qemu_del_net_queue(nc->incoming_queue); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 292 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 293 | if (nc->peer) { |
| 294 | nc->peer->peer = NULL; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 295 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 296 | g_free(nc->name); |
| 297 | g_free(nc->model); |
Jason Wang | f786045 | 2013-01-30 19:12:27 +0800 | [diff] [blame] | 298 | if (nc->destructor) { |
| 299 | nc->destructor(nc); |
| 300 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 301 | } |
| 302 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 303 | void qemu_del_net_client(NetClientState *nc) |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 304 | { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 305 | NetClientState *ncs[MAX_QUEUE_NUM]; |
| 306 | int queues, i; |
| 307 | |
| 308 | /* If the NetClientState belongs to a multiqueue backend, we will change all |
| 309 | * other NetClientStates also. |
| 310 | */ |
| 311 | queues = qemu_find_net_clients_except(nc->name, ncs, |
| 312 | NET_CLIENT_OPTIONS_KIND_NIC, |
| 313 | MAX_QUEUE_NUM); |
| 314 | assert(queues != 0); |
| 315 | |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 316 | /* If there is a peer NIC, delete and cleanup client, but do not free. */ |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 317 | if (nc->peer && nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) { |
Jason Wang | cc1f0f4 | 2013-01-30 19:12:23 +0800 | [diff] [blame] | 318 | NICState *nic = qemu_get_nic(nc->peer); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 319 | if (nic->peer_deleted) { |
| 320 | return; |
| 321 | } |
| 322 | nic->peer_deleted = true; |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 323 | |
| 324 | for (i = 0; i < queues; i++) { |
| 325 | ncs[i]->peer->link_down = true; |
| 326 | } |
| 327 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 328 | if (nc->peer->info->link_status_changed) { |
| 329 | nc->peer->info->link_status_changed(nc->peer); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 330 | } |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 331 | |
| 332 | for (i = 0; i < queues; i++) { |
| 333 | qemu_cleanup_net_client(ncs[i]); |
| 334 | } |
| 335 | |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 336 | return; |
| 337 | } |
| 338 | |
Jason Wang | 948ecf2 | 2013-01-30 19:12:24 +0800 | [diff] [blame] | 339 | assert(nc->info->type != NET_CLIENT_OPTIONS_KIND_NIC); |
| 340 | |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 341 | for (i = 0; i < queues; i++) { |
| 342 | qemu_cleanup_net_client(ncs[i]); |
| 343 | qemu_free_net_client(ncs[i]); |
| 344 | } |
Jason Wang | 948ecf2 | 2013-01-30 19:12:24 +0800 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | void qemu_del_nic(NICState *nic) |
| 348 | { |
Michael Roth | b890492 | 2013-02-06 18:25:48 -0600 | [diff] [blame] | 349 | int i, queues = MAX(nic->conf->queues, 1); |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 350 | |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 351 | /* If this is a peer NIC and peer has already been deleted, free it now. */ |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 352 | if (nic->peer_deleted) { |
| 353 | for (i = 0; i < queues; i++) { |
| 354 | qemu_free_net_client(qemu_get_subqueue(nic, i)->peer); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 355 | } |
| 356 | } |
| 357 | |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 358 | for (i = queues - 1; i >= 0; i--) { |
| 359 | NetClientState *nc = qemu_get_subqueue(nic, i); |
| 360 | |
| 361 | qemu_cleanup_net_client(nc); |
| 362 | qemu_free_net_client(nc); |
| 363 | } |
Jason Wang | f6b26cf | 2013-02-22 23:15:06 +0800 | [diff] [blame] | 364 | |
| 365 | g_free(nic); |
Jan Kiszka | 1a60952 | 2009-06-24 14:42:31 +0200 | [diff] [blame] | 366 | } |
| 367 | |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 368 | void qemu_foreach_nic(qemu_nic_foreach func, void *opaque) |
| 369 | { |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 370 | NetClientState *nc; |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 371 | |
Stefan Hajnoczi | 9487899 | 2012-07-24 16:35:12 +0100 | [diff] [blame] | 372 | QTAILQ_FOREACH(nc, &net_clients, next) { |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 373 | if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 374 | if (nc->queue_index == 0) { |
| 375 | func(qemu_get_nic(nc), opaque); |
| 376 | } |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 377 | } |
| 378 | } |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 379 | } |
| 380 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 381 | int qemu_can_send_packet(NetClientState *sender) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 382 | { |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 383 | if (!sender->peer) { |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 384 | return 1; |
| 385 | } |
| 386 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 387 | if (sender->peer->receive_disabled) { |
| 388 | return 0; |
| 389 | } else if (sender->peer->info->can_receive && |
| 390 | !sender->peer->info->can_receive(sender->peer)) { |
| 391 | return 0; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 392 | } |
Vincent Palatin | 60c07d9 | 2011-03-02 17:25:02 -0500 | [diff] [blame] | 393 | return 1; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 394 | } |
| 395 | |
Zhi Yong Wu | 86a77c3 | 2012-07-24 16:35:17 +0100 | [diff] [blame] | 396 | ssize_t qemu_deliver_packet(NetClientState *sender, |
| 397 | unsigned flags, |
| 398 | const uint8_t *data, |
| 399 | size_t size, |
| 400 | void *opaque) |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 401 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 402 | NetClientState *nc = opaque; |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 403 | ssize_t ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 404 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 405 | if (nc->link_down) { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 406 | return size; |
| 407 | } |
| 408 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 409 | if (nc->receive_disabled) { |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 410 | return 0; |
| 411 | } |
| 412 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 413 | if (flags & QEMU_NET_PACKET_FLAG_RAW && nc->info->receive_raw) { |
| 414 | ret = nc->info->receive_raw(nc, data, size); |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 415 | } else { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 416 | ret = nc->info->receive(nc, data, size); |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | if (ret == 0) { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 420 | nc->receive_disabled = 1; |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 421 | }; |
| 422 | |
| 423 | return ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 424 | } |
| 425 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 426 | void qemu_purge_queued_packets(NetClientState *nc) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 427 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 428 | if (!nc->peer) { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 429 | return; |
| 430 | } |
| 431 | |
Jan Kiszka | 067404b | 2013-08-02 21:47:08 +0200 | [diff] [blame] | 432 | qemu_net_queue_purge(nc->peer->incoming_queue, nc); |
Mark McLoughlin | 8cad551 | 2009-06-18 18:21:29 +0100 | [diff] [blame] | 433 | } |
| 434 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 435 | void qemu_flush_queued_packets(NetClientState *nc) |
Mark McLoughlin | e94667b | 2009-04-29 11:48:12 +0100 | [diff] [blame] | 436 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 437 | nc->receive_disabled = 0; |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 438 | |
Luigi Rizzo | 199ee60 | 2013-02-05 17:53:31 +0100 | [diff] [blame] | 439 | if (nc->peer && nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_HUBPORT) { |
| 440 | if (net_hub_flush(nc->peer)) { |
| 441 | qemu_notify_event(); |
| 442 | } |
Luigi Rizzo | 199ee60 | 2013-02-05 17:53:31 +0100 | [diff] [blame] | 443 | } |
Jan Kiszka | 067404b | 2013-08-02 21:47:08 +0200 | [diff] [blame] | 444 | if (qemu_net_queue_flush(nc->incoming_queue)) { |
Paolo Bonzini | 987a9b4 | 2012-08-09 16:45:55 +0200 | [diff] [blame] | 445 | /* We emptied the queue successfully, signal to the IO thread to repoll |
| 446 | * the file descriptor (for tap, for example). |
| 447 | */ |
| 448 | qemu_notify_event(); |
| 449 | } |
Mark McLoughlin | e94667b | 2009-04-29 11:48:12 +0100 | [diff] [blame] | 450 | } |
| 451 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 452 | static ssize_t qemu_send_packet_async_with_flags(NetClientState *sender, |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 453 | unsigned flags, |
| 454 | const uint8_t *buf, int size, |
| 455 | NetPacketSent *sent_cb) |
aliguori | 764a4d1 | 2009-04-21 19:56:41 +0000 | [diff] [blame] | 456 | { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 457 | NetQueue *queue; |
Mark McLoughlin | e94667b | 2009-04-29 11:48:12 +0100 | [diff] [blame] | 458 | |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 459 | #ifdef DEBUG_NET |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 460 | printf("qemu_send_packet_async:\n"); |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 461 | hex_dump(stdout, buf, size); |
| 462 | #endif |
| 463 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 464 | if (sender->link_down || !sender->peer) { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 465 | return size; |
| 466 | } |
| 467 | |
Jan Kiszka | 067404b | 2013-08-02 21:47:08 +0200 | [diff] [blame] | 468 | queue = sender->peer->incoming_queue; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 469 | |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 470 | return qemu_net_queue_send(queue, sender, flags, buf, size, sent_cb); |
| 471 | } |
| 472 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 473 | ssize_t qemu_send_packet_async(NetClientState *sender, |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 474 | const uint8_t *buf, int size, |
| 475 | NetPacketSent *sent_cb) |
| 476 | { |
| 477 | return qemu_send_packet_async_with_flags(sender, QEMU_NET_PACKET_FLAG_NONE, |
| 478 | buf, size, sent_cb); |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 479 | } |
| 480 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 481 | void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size) |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 482 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 483 | qemu_send_packet_async(nc, buf, size, NULL); |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 484 | } |
| 485 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 486 | ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size) |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 487 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 488 | return qemu_send_packet_async_with_flags(nc, QEMU_NET_PACKET_FLAG_RAW, |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 489 | buf, size, NULL); |
| 490 | } |
| 491 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 492 | static ssize_t nc_sendv_compat(NetClientState *nc, const struct iovec *iov, |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 493 | int iovcnt) |
| 494 | { |
Scott Feldman | d32fcad | 2013-03-18 11:43:44 -0700 | [diff] [blame] | 495 | uint8_t buffer[NET_BUFSIZE]; |
Benjamin Poirier | ce05366 | 2011-02-23 19:57:21 -0500 | [diff] [blame] | 496 | size_t offset; |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 497 | |
Michael Tokarev | dcf6f5e | 2012-03-11 18:05:12 +0400 | [diff] [blame] | 498 | offset = iov_to_buf(iov, iovcnt, 0, buffer, sizeof(buffer)); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 499 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 500 | return nc->info->receive(nc, buffer, offset); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 501 | } |
| 502 | |
Zhi Yong Wu | 86a77c3 | 2012-07-24 16:35:17 +0100 | [diff] [blame] | 503 | ssize_t qemu_deliver_packet_iov(NetClientState *sender, |
| 504 | unsigned flags, |
| 505 | const struct iovec *iov, |
| 506 | int iovcnt, |
| 507 | void *opaque) |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 508 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 509 | NetClientState *nc = opaque; |
Stefan Hajnoczi | c67f5dc | 2012-08-17 21:16:42 +0100 | [diff] [blame] | 510 | int ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 511 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 512 | if (nc->link_down) { |
Benjamin Poirier | ce05366 | 2011-02-23 19:57:21 -0500 | [diff] [blame] | 513 | return iov_size(iov, iovcnt); |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 514 | } |
| 515 | |
Stefan Hajnoczi | c67f5dc | 2012-08-17 21:16:42 +0100 | [diff] [blame] | 516 | if (nc->receive_disabled) { |
| 517 | return 0; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 518 | } |
Stefan Hajnoczi | c67f5dc | 2012-08-17 21:16:42 +0100 | [diff] [blame] | 519 | |
| 520 | if (nc->info->receive_iov) { |
| 521 | ret = nc->info->receive_iov(nc, iov, iovcnt); |
| 522 | } else { |
| 523 | ret = nc_sendv_compat(nc, iov, iovcnt); |
| 524 | } |
| 525 | |
| 526 | if (ret == 0) { |
| 527 | nc->receive_disabled = 1; |
| 528 | } |
| 529 | |
| 530 | return ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 531 | } |
| 532 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 533 | ssize_t qemu_sendv_packet_async(NetClientState *sender, |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 534 | const struct iovec *iov, int iovcnt, |
| 535 | NetPacketSent *sent_cb) |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 536 | { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 537 | NetQueue *queue; |
| 538 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 539 | if (sender->link_down || !sender->peer) { |
Benjamin Poirier | ce05366 | 2011-02-23 19:57:21 -0500 | [diff] [blame] | 540 | return iov_size(iov, iovcnt); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 541 | } |
| 542 | |
Jan Kiszka | 067404b | 2013-08-02 21:47:08 +0200 | [diff] [blame] | 543 | queue = sender->peer->incoming_queue; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 544 | |
Mark McLoughlin | c0b8e49 | 2009-10-22 17:43:40 +0100 | [diff] [blame] | 545 | return qemu_net_queue_send_iov(queue, sender, |
| 546 | QEMU_NET_PACKET_FLAG_NONE, |
| 547 | iov, iovcnt, sent_cb); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 548 | } |
| 549 | |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 550 | ssize_t |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 551 | qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, int iovcnt) |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 552 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 553 | return qemu_sendv_packet_async(nc, iov, iovcnt, NULL); |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 554 | } |
| 555 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 556 | NetClientState *qemu_find_netdev(const char *id) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 557 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 558 | NetClientState *nc; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 559 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 560 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 561 | if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) |
Markus Armbruster | 85dde9a | 2011-06-16 18:45:37 +0200 | [diff] [blame] | 562 | continue; |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 563 | if (!strcmp(nc->name, id)) { |
| 564 | return nc; |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 565 | } |
| 566 | } |
| 567 | |
| 568 | return NULL; |
| 569 | } |
| 570 | |
Jason Wang | 6c51ae7 | 2013-01-30 19:12:25 +0800 | [diff] [blame] | 571 | int qemu_find_net_clients_except(const char *id, NetClientState **ncs, |
| 572 | NetClientOptionsKind type, int max) |
| 573 | { |
| 574 | NetClientState *nc; |
| 575 | int ret = 0; |
| 576 | |
| 577 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 578 | if (nc->info->type == type) { |
| 579 | continue; |
| 580 | } |
| 581 | if (!strcmp(nc->name, id)) { |
| 582 | if (ret < max) { |
| 583 | ncs[ret] = nc; |
| 584 | } |
| 585 | ret++; |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | return ret; |
| 590 | } |
| 591 | |
aliguori | 7697079 | 2009-02-11 15:20:03 +0000 | [diff] [blame] | 592 | static int nic_get_free_idx(void) |
| 593 | { |
| 594 | int index; |
| 595 | |
| 596 | for (index = 0; index < MAX_NICS; index++) |
| 597 | if (!nd_table[index].used) |
| 598 | return index; |
| 599 | return -1; |
| 600 | } |
| 601 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 602 | int qemu_show_nic_models(const char *arg, const char *const *models) |
| 603 | { |
| 604 | int i; |
| 605 | |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 606 | if (!arg || !is_help_option(arg)) { |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 607 | return 0; |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 608 | } |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 609 | |
| 610 | fprintf(stderr, "qemu: Supported NIC models: "); |
| 611 | for (i = 0 ; models[i]; i++) |
| 612 | fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n'); |
| 613 | return 1; |
| 614 | } |
| 615 | |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 616 | void qemu_check_nic_model(NICInfo *nd, const char *model) |
| 617 | { |
| 618 | const char *models[2]; |
| 619 | |
| 620 | models[0] = model; |
| 621 | models[1] = NULL; |
| 622 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 623 | if (qemu_show_nic_models(nd->model, models)) |
| 624 | exit(0); |
| 625 | if (qemu_find_nic_model(nd, models, model) < 0) |
| 626 | exit(1); |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 627 | } |
| 628 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 629 | int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
| 630 | const char *default_model) |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 631 | { |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 632 | int i; |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 633 | |
| 634 | if (!nd->model) |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 635 | nd->model = g_strdup(default_model); |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 636 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 637 | for (i = 0 ; models[i]; i++) { |
| 638 | if (strcmp(nd->model, models[i]) == 0) |
| 639 | return i; |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 640 | } |
| 641 | |
Markus Armbruster | 6daf194 | 2011-06-22 14:03:54 +0200 | [diff] [blame] | 642 | error_report("Unsupported NIC model: %s", nd->model); |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 643 | return -1; |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 644 | } |
| 645 | |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 646 | static int net_init_nic(const NetClientOptions *opts, const char *name, |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 647 | NetClientState *peer) |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 648 | { |
| 649 | int idx; |
| 650 | NICInfo *nd; |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 651 | const NetLegacyNicOptions *nic; |
| 652 | |
| 653 | assert(opts->kind == NET_CLIENT_OPTIONS_KIND_NIC); |
| 654 | nic = opts->nic; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 655 | |
| 656 | idx = nic_get_free_idx(); |
| 657 | if (idx == -1 || nb_nics >= MAX_NICS) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 658 | error_report("Too Many NICs"); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 659 | return -1; |
| 660 | } |
| 661 | |
| 662 | nd = &nd_table[idx]; |
| 663 | |
| 664 | memset(nd, 0, sizeof(*nd)); |
| 665 | |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 666 | if (nic->has_netdev) { |
| 667 | nd->netdev = qemu_find_netdev(nic->netdev); |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 668 | if (!nd->netdev) { |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 669 | error_report("netdev '%s' not found", nic->netdev); |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 670 | return -1; |
| 671 | } |
| 672 | } else { |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 673 | assert(peer); |
| 674 | nd->netdev = peer; |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 675 | } |
Markus Armbruster | c64f50d | 2013-01-22 11:07:57 +0100 | [diff] [blame] | 676 | nd->name = g_strdup(name); |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 677 | if (nic->has_model) { |
| 678 | nd->model = g_strdup(nic->model); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 679 | } |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 680 | if (nic->has_addr) { |
| 681 | nd->devaddr = g_strdup(nic->addr); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 682 | } |
| 683 | |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 684 | if (nic->has_macaddr && |
| 685 | net_parse_macaddr(nd->macaddr.a, nic->macaddr) < 0) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 686 | error_report("invalid syntax for ethernet address"); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 687 | return -1; |
| 688 | } |
Dmitry Krivenok | d60b20c | 2013-10-21 12:08:44 +0400 | [diff] [blame] | 689 | if (nic->has_macaddr && |
| 690 | is_multicast_ether_addr(nd->macaddr.a)) { |
| 691 | error_report("NIC cannot have multicast MAC address (odd 1st byte)"); |
| 692 | return -1; |
| 693 | } |
Jan Kiszka | 6eed185 | 2011-07-20 12:20:22 +0200 | [diff] [blame] | 694 | qemu_macaddr_default_if_unset(&nd->macaddr); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 695 | |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 696 | if (nic->has_vectors) { |
| 697 | if (nic->vectors > 0x7ffffff) { |
| 698 | error_report("invalid # of vectors: %"PRIu32, nic->vectors); |
| 699 | return -1; |
| 700 | } |
| 701 | nd->nvectors = nic->vectors; |
| 702 | } else { |
| 703 | nd->nvectors = DEV_NVECTORS_UNSPECIFIED; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | nd->used = 1; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 707 | nb_nics++; |
| 708 | |
| 709 | return idx; |
| 710 | } |
| 711 | |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 712 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 713 | static int (* const net_client_init_fun[NET_CLIENT_OPTIONS_KIND_MAX])( |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 714 | const NetClientOptions *opts, |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 715 | const char *name, |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 716 | NetClientState *peer) = { |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 717 | [NET_CLIENT_OPTIONS_KIND_NIC] = net_init_nic, |
Mark McLoughlin | ec302ff | 2009-10-06 12:17:07 +0100 | [diff] [blame] | 718 | #ifdef CONFIG_SLIRP |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 719 | [NET_CLIENT_OPTIONS_KIND_USER] = net_init_slirp, |
Mark McLoughlin | ec302ff | 2009-10-06 12:17:07 +0100 | [diff] [blame] | 720 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 721 | [NET_CLIENT_OPTIONS_KIND_TAP] = net_init_tap, |
| 722 | [NET_CLIENT_OPTIONS_KIND_SOCKET] = net_init_socket, |
Mark McLoughlin | dd51058 | 2009-10-06 12:17:10 +0100 | [diff] [blame] | 723 | #ifdef CONFIG_VDE |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 724 | [NET_CLIENT_OPTIONS_KIND_VDE] = net_init_vde, |
Mark McLoughlin | dd51058 | 2009-10-06 12:17:10 +0100 | [diff] [blame] | 725 | #endif |
Vincenzo Maffione | 5895213 | 2013-11-06 11:44:06 +0100 | [diff] [blame] | 726 | #ifdef CONFIG_NETMAP |
| 727 | [NET_CLIENT_OPTIONS_KIND_NETMAP] = net_init_netmap, |
| 728 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 729 | [NET_CLIENT_OPTIONS_KIND_DUMP] = net_init_dump, |
Stefan Weil | 2944e4e | 2012-02-04 09:24:46 +0100 | [diff] [blame] | 730 | #ifdef CONFIG_NET_BRIDGE |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 731 | [NET_CLIENT_OPTIONS_KIND_BRIDGE] = net_init_bridge, |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 732 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 733 | [NET_CLIENT_OPTIONS_KIND_HUBPORT] = net_init_hubport, |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 734 | }; |
| 735 | |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 736 | |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 737 | static int net_client_init1(const void *object, int is_netdev, Error **errp) |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 738 | { |
| 739 | union { |
| 740 | const Netdev *netdev; |
| 741 | const NetLegacy *net; |
| 742 | } u; |
| 743 | const NetClientOptions *opts; |
| 744 | const char *name; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 745 | |
Markus Armbruster | 5294e2c | 2010-03-25 17:22:38 +0100 | [diff] [blame] | 746 | if (is_netdev) { |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 747 | u.netdev = object; |
| 748 | opts = u.netdev->opts; |
| 749 | name = u.netdev->id; |
| 750 | |
| 751 | switch (opts->kind) { |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 752 | #ifdef CONFIG_SLIRP |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 753 | case NET_CLIENT_OPTIONS_KIND_USER: |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 754 | #endif |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 755 | case NET_CLIENT_OPTIONS_KIND_TAP: |
| 756 | case NET_CLIENT_OPTIONS_KIND_SOCKET: |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 757 | #ifdef CONFIG_VDE |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 758 | case NET_CLIENT_OPTIONS_KIND_VDE: |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 759 | #endif |
Vincenzo Maffione | 5895213 | 2013-11-06 11:44:06 +0100 | [diff] [blame] | 760 | #ifdef CONFIG_NETMAP |
| 761 | case NET_CLIENT_OPTIONS_KIND_NETMAP: |
| 762 | #endif |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 763 | #ifdef CONFIG_NET_BRIDGE |
| 764 | case NET_CLIENT_OPTIONS_KIND_BRIDGE: |
| 765 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 766 | case NET_CLIENT_OPTIONS_KIND_HUBPORT: |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 767 | break; |
| 768 | |
| 769 | default: |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 770 | error_set(errp, QERR_INVALID_PARAMETER_VALUE, "type", |
| 771 | "a netdev backend type"); |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 772 | return -1; |
| 773 | } |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 774 | } else { |
| 775 | u.net = object; |
| 776 | opts = u.net->opts; |
| 777 | /* missing optional values have been initialized to "all bits zero" */ |
| 778 | name = u.net->has_id ? u.net->id : u.net->name; |
| 779 | } |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 780 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 781 | if (net_client_init_fun[opts->kind]) { |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 782 | NetClientState *peer = NULL; |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 783 | |
| 784 | /* Do not add to a vlan if it's a -netdev or a nic with a netdev= |
| 785 | * parameter. */ |
| 786 | if (!is_netdev && |
| 787 | (opts->kind != NET_CLIENT_OPTIONS_KIND_NIC || |
| 788 | !opts->nic->has_netdev)) { |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 789 | peer = net_hub_add_port(u.net->has_vlan ? u.net->vlan : 0, NULL); |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 790 | } |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 791 | |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 792 | if (net_client_init_fun[opts->kind](opts, name, peer) < 0) { |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 793 | /* TODO push error reporting into init() methods */ |
| 794 | error_set(errp, QERR_DEVICE_INIT_FAILED, |
| 795 | NetClientOptionsKind_lookup[opts->kind]); |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 796 | return -1; |
| 797 | } |
| 798 | } |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 799 | return 0; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 800 | } |
| 801 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 802 | |
| 803 | static void net_visit(Visitor *v, int is_netdev, void **object, Error **errp) |
| 804 | { |
| 805 | if (is_netdev) { |
| 806 | visit_type_Netdev(v, (Netdev **)object, NULL, errp); |
| 807 | } else { |
| 808 | visit_type_NetLegacy(v, (NetLegacy **)object, NULL, errp); |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | |
| 813 | int net_client_init(QemuOpts *opts, int is_netdev, Error **errp) |
| 814 | { |
| 815 | void *object = NULL; |
| 816 | Error *err = NULL; |
| 817 | int ret = -1; |
| 818 | |
| 819 | { |
| 820 | OptsVisitor *ov = opts_visitor_new(opts); |
| 821 | |
| 822 | net_visit(opts_get_visitor(ov), is_netdev, &object, &err); |
| 823 | opts_visitor_cleanup(ov); |
| 824 | } |
| 825 | |
| 826 | if (!err) { |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 827 | ret = net_client_init1(object, is_netdev, &err); |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 828 | } |
| 829 | |
| 830 | if (object) { |
| 831 | QapiDeallocVisitor *dv = qapi_dealloc_visitor_new(); |
| 832 | |
| 833 | net_visit(qapi_dealloc_get_visitor(dv), is_netdev, &object, NULL); |
| 834 | qapi_dealloc_visitor_cleanup(dv); |
| 835 | } |
| 836 | |
| 837 | error_propagate(errp, err); |
| 838 | return ret; |
| 839 | } |
| 840 | |
| 841 | |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 842 | static int net_host_check_device(const char *device) |
| 843 | { |
| 844 | int i; |
aliguori | bb9ea79 | 2009-04-21 19:56:28 +0000 | [diff] [blame] | 845 | const char *valid_param_list[] = { "tap", "socket", "dump" |
Stefan Weil | 2944e4e | 2012-02-04 09:24:46 +0100 | [diff] [blame] | 846 | #ifdef CONFIG_NET_BRIDGE |
| 847 | , "bridge" |
| 848 | #endif |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 849 | #ifdef CONFIG_SLIRP |
| 850 | ,"user" |
| 851 | #endif |
| 852 | #ifdef CONFIG_VDE |
| 853 | ,"vde" |
| 854 | #endif |
| 855 | }; |
Stefan Weil | dff7424 | 2013-12-07 14:48:04 +0100 | [diff] [blame] | 856 | for (i = 0; i < ARRAY_SIZE(valid_param_list); i++) { |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 857 | if (!strncmp(valid_param_list[i], device, |
| 858 | strlen(valid_param_list[i]))) |
| 859 | return 1; |
| 860 | } |
| 861 | |
| 862 | return 0; |
| 863 | } |
| 864 | |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 865 | void net_host_device_add(Monitor *mon, const QDict *qdict) |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 866 | { |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 867 | const char *device = qdict_get_str(qdict, "device"); |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 868 | const char *opts_str = qdict_get_try_str(qdict, "opts"); |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 869 | Error *local_err = NULL; |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 870 | QemuOpts *opts; |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 871 | |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 872 | if (!net_host_check_device(device)) { |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 873 | monitor_printf(mon, "invalid host network device %s\n", device); |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 874 | return; |
| 875 | } |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 876 | |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 877 | opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0); |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 878 | if (!opts) { |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 879 | return; |
| 880 | } |
| 881 | |
| 882 | qemu_opt_set(opts, "type", device); |
| 883 | |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 884 | net_client_init(opts, 0, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 885 | if (local_err) { |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 886 | qerror_report_err(local_err); |
| 887 | error_free(local_err); |
aliguori | 5c8be67 | 2009-04-21 19:56:32 +0000 | [diff] [blame] | 888 | monitor_printf(mon, "adding host network device %s failed\n", device); |
| 889 | } |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 890 | } |
| 891 | |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 892 | void net_host_device_remove(Monitor *mon, const QDict *qdict) |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 893 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 894 | NetClientState *nc; |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 895 | int vlan_id = qdict_get_int(qdict, "vlan_id"); |
| 896 | const char *device = qdict_get_str(qdict, "device"); |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 897 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 898 | nc = net_hub_find_client_by_name(vlan_id, device); |
| 899 | if (!nc) { |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 900 | return; |
| 901 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 902 | if (!net_host_check_device(nc->model)) { |
aliguori | e8f1f9d | 2009-04-21 19:56:08 +0000 | [diff] [blame] | 903 | monitor_printf(mon, "invalid host network device %s\n", device); |
| 904 | return; |
| 905 | } |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 906 | qemu_del_net_client(nc); |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 907 | } |
| 908 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 909 | void netdev_add(QemuOpts *opts, Error **errp) |
| 910 | { |
| 911 | net_client_init(opts, 1, errp); |
| 912 | } |
| 913 | |
| 914 | int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret) |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 915 | { |
Luiz Capitulino | 4e89978 | 2012-04-18 17:24:01 -0300 | [diff] [blame] | 916 | Error *local_err = NULL; |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 917 | QemuOptsList *opts_list; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 918 | QemuOpts *opts; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 919 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 920 | opts_list = qemu_find_opts_err("netdev", &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 921 | if (local_err) { |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 922 | goto exit_err; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 923 | } |
| 924 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 925 | opts = qemu_opts_from_qdict(opts_list, qdict, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 926 | if (local_err) { |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 927 | goto exit_err; |
| 928 | } |
| 929 | |
| 930 | netdev_add(opts, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 931 | if (local_err) { |
Yoshiaki Tamura | 410cbaf | 2010-06-21 10:41:36 +0900 | [diff] [blame] | 932 | qemu_opts_del(opts); |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 933 | goto exit_err; |
Yoshiaki Tamura | 410cbaf | 2010-06-21 10:41:36 +0900 | [diff] [blame] | 934 | } |
| 935 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 936 | return 0; |
| 937 | |
| 938 | exit_err: |
| 939 | qerror_report_err(local_err); |
| 940 | error_free(local_err); |
| 941 | return -1; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 942 | } |
| 943 | |
Luiz Capitulino | 5f96415 | 2012-04-16 14:36:32 -0300 | [diff] [blame] | 944 | void qmp_netdev_del(const char *id, Error **errp) |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 945 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 946 | NetClientState *nc; |
Stefan Hajnoczi | 645c949 | 2012-10-24 14:34:12 +0200 | [diff] [blame] | 947 | QemuOpts *opts; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 948 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 949 | nc = qemu_find_netdev(id); |
| 950 | if (!nc) { |
Luiz Capitulino | 5f96415 | 2012-04-16 14:36:32 -0300 | [diff] [blame] | 951 | error_set(errp, QERR_DEVICE_NOT_FOUND, id); |
| 952 | return; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 953 | } |
Luiz Capitulino | 5f96415 | 2012-04-16 14:36:32 -0300 | [diff] [blame] | 954 | |
Stefan Hajnoczi | 645c949 | 2012-10-24 14:34:12 +0200 | [diff] [blame] | 955 | opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), id); |
| 956 | if (!opts) { |
| 957 | error_setg(errp, "Device '%s' is not a netdev", id); |
| 958 | return; |
| 959 | } |
| 960 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 961 | qemu_del_net_client(nc); |
Stefan Hajnoczi | 645c949 | 2012-10-24 14:34:12 +0200 | [diff] [blame] | 962 | qemu_opts_del(opts); |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 963 | } |
| 964 | |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 965 | void print_net_client(Monitor *mon, NetClientState *nc) |
Jan Kiszka | 44e798d | 2011-07-20 12:20:21 +0200 | [diff] [blame] | 966 | { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 967 | monitor_printf(mon, "%s: index=%d,type=%s,%s\n", nc->name, |
| 968 | nc->queue_index, |
| 969 | NetClientOptionsKind_lookup[nc->info->type], |
| 970 | nc->info_str); |
Jan Kiszka | 44e798d | 2011-07-20 12:20:21 +0200 | [diff] [blame] | 971 | } |
| 972 | |
Amos Kong | b1be428 | 2013-06-14 15:45:52 +0800 | [diff] [blame] | 973 | RxFilterInfoList *qmp_query_rx_filter(bool has_name, const char *name, |
| 974 | Error **errp) |
| 975 | { |
| 976 | NetClientState *nc; |
| 977 | RxFilterInfoList *filter_list = NULL, *last_entry = NULL; |
| 978 | |
| 979 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 980 | RxFilterInfoList *entry; |
| 981 | RxFilterInfo *info; |
| 982 | |
| 983 | if (has_name && strcmp(nc->name, name) != 0) { |
| 984 | continue; |
| 985 | } |
| 986 | |
| 987 | /* only query rx-filter information of NIC */ |
| 988 | if (nc->info->type != NET_CLIENT_OPTIONS_KIND_NIC) { |
| 989 | if (has_name) { |
| 990 | error_setg(errp, "net client(%s) isn't a NIC", name); |
| 991 | break; |
| 992 | } |
| 993 | continue; |
| 994 | } |
| 995 | |
| 996 | if (nc->info->query_rx_filter) { |
| 997 | info = nc->info->query_rx_filter(nc); |
| 998 | entry = g_malloc0(sizeof(*entry)); |
| 999 | entry->value = info; |
| 1000 | |
| 1001 | if (!filter_list) { |
| 1002 | filter_list = entry; |
| 1003 | } else { |
| 1004 | last_entry->next = entry; |
| 1005 | } |
| 1006 | last_entry = entry; |
| 1007 | } else if (has_name) { |
| 1008 | error_setg(errp, "net client(%s) doesn't support" |
| 1009 | " rx-filter querying", name); |
| 1010 | break; |
| 1011 | } |
| 1012 | } |
| 1013 | |
| 1014 | if (filter_list == NULL && !error_is_set(errp) && has_name) { |
| 1015 | error_setg(errp, "invalid net client name: %s", name); |
| 1016 | } |
| 1017 | |
| 1018 | return filter_list; |
| 1019 | } |
| 1020 | |
Wenchao Xia | 84f2d0e | 2013-01-14 14:06:25 +0800 | [diff] [blame] | 1021 | void do_info_network(Monitor *mon, const QDict *qdict) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1022 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 1023 | NetClientState *nc, *peer; |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 1024 | NetClientOptionsKind type; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1025 | |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 1026 | net_hub_info(mon); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 1027 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 1028 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 1029 | peer = nc->peer; |
| 1030 | type = nc->info->type; |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 1031 | |
| 1032 | /* Skip if already printed in hub info */ |
| 1033 | if (net_hub_id_for_client(nc, NULL) == 0) { |
| 1034 | continue; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 1035 | } |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 1036 | |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 1037 | if (!peer || type == NET_CLIENT_OPTIONS_KIND_NIC) { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 1038 | print_net_client(mon, nc); |
Jan Kiszka | 19061e6 | 2011-07-20 12:20:19 +0200 | [diff] [blame] | 1039 | } /* else it's a netdev connected to a NIC, printed with the NIC */ |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 1040 | if (peer && type == NET_CLIENT_OPTIONS_KIND_NIC) { |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 1041 | monitor_printf(mon, " \\ "); |
Jan Kiszka | 44e798d | 2011-07-20 12:20:21 +0200 | [diff] [blame] | 1042 | print_net_client(mon, peer); |
Markus Armbruster | a0104e0 | 2010-02-11 14:45:01 +0100 | [diff] [blame] | 1043 | } |
Markus Armbruster | a0104e0 | 2010-02-11 14:45:01 +0100 | [diff] [blame] | 1044 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1045 | } |
| 1046 | |
Luiz Capitulino | 4b37156 | 2011-11-23 13:11:55 -0200 | [diff] [blame] | 1047 | void qmp_set_link(const char *name, bool up, Error **errp) |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 1048 | { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 1049 | NetClientState *ncs[MAX_QUEUE_NUM]; |
| 1050 | NetClientState *nc; |
| 1051 | int queues, i; |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 1052 | |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 1053 | queues = qemu_find_net_clients_except(name, ncs, |
| 1054 | NET_CLIENT_OPTIONS_KIND_MAX, |
| 1055 | MAX_QUEUE_NUM); |
| 1056 | |
| 1057 | if (queues == 0) { |
Luiz Capitulino | 4b37156 | 2011-11-23 13:11:55 -0200 | [diff] [blame] | 1058 | error_set(errp, QERR_DEVICE_NOT_FOUND, name); |
| 1059 | return; |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 1060 | } |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 1061 | nc = ncs[0]; |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 1062 | |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 1063 | for (i = 0; i < queues; i++) { |
| 1064 | ncs[i]->link_down = !up; |
| 1065 | } |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 1066 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 1067 | if (nc->info->link_status_changed) { |
| 1068 | nc->info->link_status_changed(nc); |
Mark McLoughlin | 665a3b0 | 2009-11-25 18:49:30 +0000 | [diff] [blame] | 1069 | } |
Michael S. Tsirkin | ab1cbe1 | 2011-02-09 18:45:04 +0200 | [diff] [blame] | 1070 | |
Vlad Yasevich | 02d38fc | 2013-11-21 21:05:51 -0500 | [diff] [blame] | 1071 | if (nc->peer) { |
| 1072 | /* Change peer link only if the peer is NIC and then notify peer. |
| 1073 | * If the peer is a HUBPORT or a backend, we do not change the |
| 1074 | * link status. |
| 1075 | * |
| 1076 | * This behavior is compatible with qemu vlans where there could be |
| 1077 | * multiple clients that can still communicate with each other in |
| 1078 | * disconnected mode. For now maintain this compatibility. |
| 1079 | */ |
| 1080 | if (nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) { |
| 1081 | for (i = 0; i < queues; i++) { |
| 1082 | ncs[i]->peer->link_down = !up; |
| 1083 | } |
| 1084 | } |
| 1085 | if (nc->peer->info->link_status_changed) { |
| 1086 | nc->peer->info->link_status_changed(nc->peer); |
| 1087 | } |
Michael S. Tsirkin | ab1cbe1 | 2011-02-09 18:45:04 +0200 | [diff] [blame] | 1088 | } |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 1089 | } |
| 1090 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1091 | void net_cleanup(void) |
| 1092 | { |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 1093 | NetClientState *nc; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1094 | |
Jason Wang | 1ceef9f | 2013-01-30 19:12:28 +0800 | [diff] [blame] | 1095 | /* We may del multiple entries during qemu_del_net_client(), |
| 1096 | * so QTAILQ_FOREACH_SAFE() is also not safe here. |
| 1097 | */ |
| 1098 | while (!QTAILQ_EMPTY(&net_clients)) { |
| 1099 | nc = QTAILQ_FIRST(&net_clients); |
Jason Wang | 948ecf2 | 2013-01-30 19:12:24 +0800 | [diff] [blame] | 1100 | if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) { |
| 1101 | qemu_del_nic(qemu_get_nic(nc)); |
| 1102 | } else { |
| 1103 | qemu_del_net_client(nc); |
| 1104 | } |
Mark McLoughlin | 577c4af | 2009-10-08 19:58:28 +0100 | [diff] [blame] | 1105 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1106 | } |
| 1107 | |
Markus Armbruster | 668680f | 2010-02-11 14:44:58 +0100 | [diff] [blame] | 1108 | void net_check_clients(void) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1109 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 1110 | NetClientState *nc; |
Peter Maydell | 48e2faf | 2011-05-20 16:50:01 +0100 | [diff] [blame] | 1111 | int i; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1112 | |
Peter Maydell | 641f6ea | 2011-05-20 16:50:00 +0100 | [diff] [blame] | 1113 | /* Don't warn about the default network setup that you get if |
| 1114 | * no command line -net or -netdev options are specified. There |
| 1115 | * are two cases that we would otherwise complain about: |
| 1116 | * (1) board doesn't support a NIC but the implicit "-net nic" |
| 1117 | * requested one |
| 1118 | * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" |
| 1119 | * sets up a nic that isn't connected to anything. |
| 1120 | */ |
| 1121 | if (default_net) { |
| 1122 | return; |
| 1123 | } |
| 1124 | |
Stefan Hajnoczi | 8101764 | 2012-07-24 16:35:07 +0100 | [diff] [blame] | 1125 | net_hub_check_clients(); |
Tristan Gingold | ac60cc1 | 2011-03-15 14:20:54 +0100 | [diff] [blame] | 1126 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 1127 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 1128 | if (!nc->peer) { |
Markus Armbruster | efe32fd | 2010-02-11 14:45:00 +0100 | [diff] [blame] | 1129 | fprintf(stderr, "Warning: %s %s has no peer\n", |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 1130 | nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC ? |
| 1131 | "nic" : "netdev", nc->name); |
Markus Armbruster | efe32fd | 2010-02-11 14:45:00 +0100 | [diff] [blame] | 1132 | } |
| 1133 | } |
Peter Maydell | 48e2faf | 2011-05-20 16:50:01 +0100 | [diff] [blame] | 1134 | |
| 1135 | /* Check that all NICs requested via -net nic actually got created. |
| 1136 | * NICs created via -device don't need to be checked here because |
| 1137 | * they are always instantiated. |
| 1138 | */ |
| 1139 | for (i = 0; i < MAX_NICS; i++) { |
| 1140 | NICInfo *nd = &nd_table[i]; |
| 1141 | if (nd->used && !nd->instantiated) { |
| 1142 | fprintf(stderr, "Warning: requested NIC (%s, model %s) " |
| 1143 | "was not created (not supported by this machine?)\n", |
| 1144 | nd->name ? nd->name : "anonymous", |
| 1145 | nd->model ? nd->model : "unspecified"); |
| 1146 | } |
| 1147 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 1148 | } |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1149 | |
| 1150 | static int net_init_client(QemuOpts *opts, void *dummy) |
| 1151 | { |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 1152 | Error *local_err = NULL; |
| 1153 | |
| 1154 | net_client_init(opts, 0, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 1155 | if (local_err) { |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 1156 | qerror_report_err(local_err); |
| 1157 | error_free(local_err); |
Mark McLoughlin | c1671a0 | 2009-10-12 09:52:00 +0100 | [diff] [blame] | 1158 | return -1; |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 1159 | } |
| 1160 | |
Mark McLoughlin | c1671a0 | 2009-10-12 09:52:00 +0100 | [diff] [blame] | 1161 | return 0; |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 1162 | } |
| 1163 | |
| 1164 | static int net_init_netdev(QemuOpts *opts, void *dummy) |
| 1165 | { |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 1166 | Error *local_err = NULL; |
| 1167 | int ret; |
| 1168 | |
| 1169 | ret = net_client_init(opts, 1, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 1170 | if (local_err) { |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 1171 | qerror_report_err(local_err); |
| 1172 | error_free(local_err); |
| 1173 | return -1; |
| 1174 | } |
| 1175 | |
| 1176 | return ret; |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | int net_init_clients(void) |
| 1180 | { |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1181 | QemuOptsList *net = qemu_find_opts("net"); |
| 1182 | |
Gerd Hoffmann | cb4522c | 2009-12-08 13:11:47 +0100 | [diff] [blame] | 1183 | if (default_net) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1184 | /* if no clients, we use a default config */ |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1185 | qemu_opts_set(net, NULL, "type", "nic"); |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1186 | #ifdef CONFIG_SLIRP |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1187 | qemu_opts_set(net, NULL, "type", "user"); |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1188 | #endif |
| 1189 | } |
| 1190 | |
Stefan Hajnoczi | 9487899 | 2012-07-24 16:35:12 +0100 | [diff] [blame] | 1191 | QTAILQ_INIT(&net_clients); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 1192 | |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1193 | if (qemu_opts_foreach(qemu_find_opts("netdev"), net_init_netdev, NULL, 1) == -1) |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 1194 | return -1; |
| 1195 | |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1196 | if (qemu_opts_foreach(net, net_init_client, NULL, 1) == -1) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1197 | return -1; |
| 1198 | } |
| 1199 | |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1200 | return 0; |
| 1201 | } |
| 1202 | |
Mark McLoughlin | 7f161aa | 2009-10-08 19:58:25 +0100 | [diff] [blame] | 1203 | int net_client_parse(QemuOptsList *opts_list, const char *optarg) |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1204 | { |
Juan Quintela | a3a766e | 2009-10-07 23:44:15 +0200 | [diff] [blame] | 1205 | #if defined(CONFIG_SLIRP) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 1206 | int ret; |
| 1207 | if (net_slirp_parse_legacy(opts_list, optarg, &ret)) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1208 | return ret; |
| 1209 | } |
Juan Quintela | a3a766e | 2009-10-07 23:44:15 +0200 | [diff] [blame] | 1210 | #endif |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 1211 | |
Markus Armbruster | 8212c64 | 2010-02-10 19:52:18 +0100 | [diff] [blame] | 1212 | if (!qemu_opts_parse(opts_list, optarg, 1)) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1213 | return -1; |
| 1214 | } |
| 1215 | |
Gerd Hoffmann | cb4522c | 2009-12-08 13:11:47 +0100 | [diff] [blame] | 1216 | default_net = 0; |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1217 | return 0; |
| 1218 | } |
Jason Wang | 7fc8d91 | 2012-03-05 11:08:50 +0800 | [diff] [blame] | 1219 | |
| 1220 | /* From FreeBSD */ |
| 1221 | /* XXX: optimize */ |
| 1222 | unsigned compute_mcast_idx(const uint8_t *ep) |
| 1223 | { |
| 1224 | uint32_t crc; |
| 1225 | int carry, i, j; |
| 1226 | uint8_t b; |
| 1227 | |
| 1228 | crc = 0xffffffff; |
| 1229 | for (i = 0; i < 6; i++) { |
| 1230 | b = *ep++; |
| 1231 | for (j = 0; j < 8; j++) { |
| 1232 | carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01); |
| 1233 | crc <<= 1; |
| 1234 | b >>= 1; |
| 1235 | if (carry) { |
| 1236 | crc = ((crc ^ POLYNOMIAL) | carry); |
| 1237 | } |
| 1238 | } |
| 1239 | } |
| 1240 | return crc >> 26; |
| 1241 | } |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 1242 | |
| 1243 | QemuOptsList qemu_netdev_opts = { |
| 1244 | .name = "netdev", |
| 1245 | .implied_opt_name = "type", |
| 1246 | .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head), |
| 1247 | .desc = { |
| 1248 | /* |
| 1249 | * no elements => accept any params |
| 1250 | * validation will happen later |
| 1251 | */ |
| 1252 | { /* end of list */ } |
| 1253 | }, |
| 1254 | }; |
| 1255 | |
| 1256 | QemuOptsList qemu_net_opts = { |
| 1257 | .name = "net", |
| 1258 | .implied_opt_name = "type", |
| 1259 | .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head), |
| 1260 | .desc = { |
| 1261 | /* |
| 1262 | * no elements => accept any params |
| 1263 | * validation will happen later |
| 1264 | */ |
| 1265 | { /* end of list */ } |
| 1266 | }, |
| 1267 | }; |