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 | a245fc1 | 2012-09-17 18:43:51 +0200 | [diff] [blame] | 26 | #include "net.h" |
| 27 | #include "net/clients.h" |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 28 | #include "net/hub.h" |
Paolo Bonzini | a245fc1 | 2012-09-17 18:43:51 +0200 | [diff] [blame] | 29 | #include "net/slirp.h" |
Mark McLoughlin | f1d078c | 2009-11-25 18:49:27 +0000 | [diff] [blame] | 30 | #include "net/util.h" |
Paolo Bonzini | a245fc1 | 2012-09-17 18:43:51 +0200 | [diff] [blame] | 31 | |
blueswir1 | 511d2b1 | 2009-03-07 15:32:56 +0000 | [diff] [blame] | 32 | #include "monitor.h" |
Mark McLoughlin | 1df49e0 | 2009-11-25 18:48:58 +0000 | [diff] [blame] | 33 | #include "qemu-common.h" |
blueswir1 | 511d2b1 | 2009-03-07 15:32:56 +0000 | [diff] [blame] | 34 | #include "qemu_socket.h" |
Luiz Capitulino | 4b37156 | 2011-11-23 13:11:55 -0200 | [diff] [blame] | 35 | #include "qmp-commands.h" |
Amit Shah | 75422b0 | 2010-02-25 17:24:43 +0530 | [diff] [blame] | 36 | #include "hw/qdev.h" |
Benjamin Poirier | ce05366 | 2011-02-23 19:57:21 -0500 | [diff] [blame] | 37 | #include "iov.h" |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 38 | #include "qapi-visit.h" |
| 39 | #include "qapi/opts-visitor.h" |
| 40 | #include "qapi/qapi-dealloc-visitor.h" |
blueswir1 | 511d2b1 | 2009-03-07 15:32:56 +0000 | [diff] [blame] | 41 | |
Stefan Weil | 2944e4e | 2012-02-04 09:24:46 +0100 | [diff] [blame] | 42 | /* Net bridge is currently not supported for W32. */ |
| 43 | #if !defined(_WIN32) |
| 44 | # define CONFIG_NET_BRIDGE |
| 45 | #endif |
| 46 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 47 | static QTAILQ_HEAD(, NetClientState) net_clients; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 48 | |
Gerd Hoffmann | cb4522c | 2009-12-08 13:11:47 +0100 | [diff] [blame] | 49 | int default_net = 1; |
| 50 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 51 | /***********************************************************/ |
| 52 | /* network device redirectors */ |
| 53 | |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 54 | #if defined(DEBUG_NET) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 55 | static void hex_dump(FILE *f, const uint8_t *buf, int size) |
| 56 | { |
| 57 | int len, i, j, c; |
| 58 | |
| 59 | for(i=0;i<size;i+=16) { |
| 60 | len = size - i; |
| 61 | if (len > 16) |
| 62 | len = 16; |
| 63 | fprintf(f, "%08x ", i); |
| 64 | for(j=0;j<16;j++) { |
| 65 | if (j < len) |
| 66 | fprintf(f, " %02x", buf[i+j]); |
| 67 | else |
| 68 | fprintf(f, " "); |
| 69 | } |
| 70 | fprintf(f, " "); |
| 71 | for(j=0;j<len;j++) { |
| 72 | c = buf[i+j]; |
| 73 | if (c < ' ' || c > '~') |
| 74 | c = '.'; |
| 75 | fprintf(f, "%c", c); |
| 76 | } |
| 77 | fprintf(f, "\n"); |
| 78 | } |
| 79 | } |
| 80 | #endif |
| 81 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 82 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
| 83 | { |
| 84 | const char *p, *p1; |
| 85 | int len; |
| 86 | p = *pp; |
| 87 | p1 = strchr(p, sep); |
| 88 | if (!p1) |
| 89 | return -1; |
| 90 | len = p1 - p; |
| 91 | p1++; |
| 92 | if (buf_size > 0) { |
| 93 | if (len > buf_size - 1) |
| 94 | len = buf_size - 1; |
| 95 | memcpy(buf, p, len); |
| 96 | buf[len] = '\0'; |
| 97 | } |
| 98 | *pp = p1; |
| 99 | return 0; |
| 100 | } |
| 101 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 102 | int parse_host_port(struct sockaddr_in *saddr, const char *str) |
| 103 | { |
| 104 | char buf[512]; |
| 105 | struct hostent *he; |
| 106 | const char *p, *r; |
| 107 | int port; |
| 108 | |
| 109 | p = str; |
| 110 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 111 | return -1; |
| 112 | saddr->sin_family = AF_INET; |
| 113 | if (buf[0] == '\0') { |
| 114 | saddr->sin_addr.s_addr = 0; |
| 115 | } else { |
blueswir1 | cd39008 | 2008-11-16 13:53:32 +0000 | [diff] [blame] | 116 | if (qemu_isdigit(buf[0])) { |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 117 | if (!inet_aton(buf, &saddr->sin_addr)) |
| 118 | return -1; |
| 119 | } else { |
| 120 | if ((he = gethostbyname(buf)) == NULL) |
| 121 | return - 1; |
| 122 | saddr->sin_addr = *(struct in_addr *)he->h_addr; |
| 123 | } |
| 124 | } |
| 125 | port = strtol(p, (char **)&r, 0); |
| 126 | if (r == p) |
| 127 | return -1; |
| 128 | saddr->sin_port = htons(port); |
| 129 | return 0; |
| 130 | } |
| 131 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 132 | void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]) |
aliguori | 7cb7434b | 2009-01-07 17:46:21 +0000 | [diff] [blame] | 133 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 134 | snprintf(nc->info_str, sizeof(nc->info_str), |
aliguori | 4dda406 | 2009-01-08 19:01:37 +0000 | [diff] [blame] | 135 | "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x", |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 136 | nc->model, |
aliguori | 7cb7434b | 2009-01-07 17:46:21 +0000 | [diff] [blame] | 137 | macaddr[0], macaddr[1], macaddr[2], |
| 138 | macaddr[3], macaddr[4], macaddr[5]); |
| 139 | } |
| 140 | |
Gerd Hoffmann | 76d32cb | 2009-10-21 15:25:22 +0200 | [diff] [blame] | 141 | void qemu_macaddr_default_if_unset(MACAddr *macaddr) |
| 142 | { |
| 143 | static int index = 0; |
| 144 | static const MACAddr zero = { .a = { 0,0,0,0,0,0 } }; |
| 145 | |
| 146 | if (memcmp(macaddr, &zero, sizeof(zero)) != 0) |
| 147 | return; |
| 148 | macaddr->a[0] = 0x52; |
| 149 | macaddr->a[1] = 0x54; |
| 150 | macaddr->a[2] = 0x00; |
| 151 | macaddr->a[3] = 0x12; |
| 152 | macaddr->a[4] = 0x34; |
| 153 | macaddr->a[5] = 0x56 + index++; |
| 154 | } |
| 155 | |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 156 | /** |
| 157 | * Generate a name for net client |
| 158 | * |
| 159 | * Only net clients created with the legacy -net option need this. Naming is |
| 160 | * mandatory for net clients created with -netdev. |
| 161 | */ |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 162 | static char *assign_name(NetClientState *nc1, const char *model) |
aliguori | 676cff2 | 2009-01-07 17:43:44 +0000 | [diff] [blame] | 163 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 164 | NetClientState *nc; |
aliguori | 676cff2 | 2009-01-07 17:43:44 +0000 | [diff] [blame] | 165 | char buf[256]; |
| 166 | int id = 0; |
| 167 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 168 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 169 | if (nc == nc1) { |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 170 | continue; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 171 | } |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 172 | /* For compatibility only bump id for net clients on a vlan */ |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 173 | if (strcmp(nc->model, model) == 0 && |
| 174 | net_hub_id_for_client(nc, NULL) == 0) { |
Markus Armbruster | 53e51d8 | 2011-06-16 18:45:36 +0200 | [diff] [blame] | 175 | id++; |
| 176 | } |
| 177 | } |
| 178 | |
aliguori | 676cff2 | 2009-01-07 17:43:44 +0000 | [diff] [blame] | 179 | snprintf(buf, sizeof(buf), "%s.%d", model, id); |
| 180 | |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 181 | return g_strdup(buf); |
aliguori | 676cff2 | 2009-01-07 17:43:44 +0000 | [diff] [blame] | 182 | } |
| 183 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 184 | NetClientState *qemu_new_net_client(NetClientInfo *info, |
| 185 | NetClientState *peer, |
| 186 | const char *model, |
| 187 | const char *name) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 188 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 189 | NetClientState *nc; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 190 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 191 | assert(info->size >= sizeof(NetClientState)); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 192 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 193 | nc = g_malloc0(info->size); |
Mark McLoughlin | 45460d1 | 2009-11-25 18:49:02 +0000 | [diff] [blame] | 194 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 195 | nc->info = info; |
| 196 | nc->model = g_strdup(model); |
Mark McLoughlin | 45460d1 | 2009-11-25 18:49:02 +0000 | [diff] [blame] | 197 | if (name) { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 198 | nc->name = g_strdup(name); |
Mark McLoughlin | 45460d1 | 2009-11-25 18:49:02 +0000 | [diff] [blame] | 199 | } else { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 200 | nc->name = assign_name(nc, model); |
Mark McLoughlin | 45460d1 | 2009-11-25 18:49:02 +0000 | [diff] [blame] | 201 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 202 | |
Stefan Hajnoczi | ab5f3f8 | 2012-07-24 16:35:08 +0100 | [diff] [blame] | 203 | if (peer) { |
| 204 | assert(!peer->peer); |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 205 | nc->peer = peer; |
| 206 | peer->peer = nc; |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 207 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 208 | QTAILQ_INSERT_TAIL(&net_clients, nc, next); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 209 | |
Zhi Yong Wu | 86a77c3 | 2012-07-24 16:35:17 +0100 | [diff] [blame] | 210 | nc->send_queue = qemu_new_net_queue(nc); |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 211 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 212 | return nc; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 213 | } |
| 214 | |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 215 | NICState *qemu_new_nic(NetClientInfo *info, |
| 216 | NICConf *conf, |
| 217 | const char *model, |
| 218 | const char *name, |
| 219 | void *opaque) |
| 220 | { |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 221 | NetClientState *nc; |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 222 | NICState *nic; |
| 223 | |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 224 | assert(info->type == NET_CLIENT_OPTIONS_KIND_NIC); |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 225 | assert(info->size >= sizeof(NICState)); |
| 226 | |
Stefan Hajnoczi | ab5f3f8 | 2012-07-24 16:35:08 +0100 | [diff] [blame] | 227 | nc = qemu_new_net_client(info, conf->peer, model, name); |
Mark McLoughlin | ebef2c0 | 2009-11-25 18:49:10 +0000 | [diff] [blame] | 228 | |
| 229 | nic = DO_UPCAST(NICState, nc, nc); |
| 230 | nic->conf = conf; |
| 231 | nic->opaque = opaque; |
| 232 | |
| 233 | return nic; |
| 234 | } |
| 235 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 236 | static void qemu_cleanup_net_client(NetClientState *nc) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 237 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 238 | QTAILQ_REMOVE(&net_clients, nc, next); |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 239 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 240 | if (nc->info->cleanup) { |
| 241 | nc->info->cleanup(nc); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 242 | } |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 243 | } |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 244 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 245 | static void qemu_free_net_client(NetClientState *nc) |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 246 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 247 | if (nc->send_queue) { |
| 248 | qemu_del_net_queue(nc->send_queue); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 249 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 250 | if (nc->peer) { |
| 251 | nc->peer->peer = NULL; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 252 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 253 | g_free(nc->name); |
| 254 | g_free(nc->model); |
| 255 | g_free(nc); |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 256 | } |
| 257 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 258 | void qemu_del_net_client(NetClientState *nc) |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 259 | { |
| 260 | /* 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] | 261 | if (nc->peer && nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) { |
| 262 | NICState *nic = DO_UPCAST(NICState, nc, nc->peer); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 263 | if (nic->peer_deleted) { |
| 264 | return; |
| 265 | } |
| 266 | nic->peer_deleted = true; |
| 267 | /* Let NIC know peer is gone. */ |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 268 | nc->peer->link_down = true; |
| 269 | if (nc->peer->info->link_status_changed) { |
| 270 | nc->peer->info->link_status_changed(nc->peer); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 271 | } |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 272 | qemu_cleanup_net_client(nc); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 273 | return; |
| 274 | } |
| 275 | |
| 276 | /* If this is a peer NIC and peer has already been deleted, free it now. */ |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 277 | if (nc->peer && nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) { |
| 278 | NICState *nic = DO_UPCAST(NICState, nc, nc); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 279 | if (nic->peer_deleted) { |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 280 | qemu_free_net_client(nc->peer); |
Michael S. Tsirkin | a083a89 | 2010-09-20 18:08:41 +0200 | [diff] [blame] | 281 | } |
| 282 | } |
| 283 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 284 | qemu_cleanup_net_client(nc); |
| 285 | qemu_free_net_client(nc); |
Jan Kiszka | 1a60952 | 2009-06-24 14:42:31 +0200 | [diff] [blame] | 286 | } |
| 287 | |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 288 | void qemu_foreach_nic(qemu_nic_foreach func, void *opaque) |
| 289 | { |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 290 | NetClientState *nc; |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 291 | |
Stefan Hajnoczi | 9487899 | 2012-07-24 16:35:12 +0100 | [diff] [blame] | 292 | QTAILQ_FOREACH(nc, &net_clients, next) { |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 293 | if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) { |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 294 | func(DO_UPCAST(NICState, nc, nc), opaque); |
| 295 | } |
| 296 | } |
Mark McLoughlin | 57f9ef1 | 2009-11-25 18:49:31 +0000 | [diff] [blame] | 297 | } |
| 298 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 299 | int qemu_can_send_packet(NetClientState *sender) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 300 | { |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 301 | if (!sender->peer) { |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 302 | return 1; |
| 303 | } |
| 304 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 305 | if (sender->peer->receive_disabled) { |
| 306 | return 0; |
| 307 | } else if (sender->peer->info->can_receive && |
| 308 | !sender->peer->info->can_receive(sender->peer)) { |
| 309 | return 0; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 310 | } |
Vincent Palatin | 60c07d9 | 2011-03-02 17:25:02 -0500 | [diff] [blame] | 311 | return 1; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 312 | } |
| 313 | |
Zhi Yong Wu | 86a77c3 | 2012-07-24 16:35:17 +0100 | [diff] [blame] | 314 | ssize_t qemu_deliver_packet(NetClientState *sender, |
| 315 | unsigned flags, |
| 316 | const uint8_t *data, |
| 317 | size_t size, |
| 318 | void *opaque) |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 319 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 320 | NetClientState *nc = opaque; |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 321 | ssize_t ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 322 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 323 | if (nc->link_down) { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 324 | return size; |
| 325 | } |
| 326 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 327 | if (nc->receive_disabled) { |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 328 | return 0; |
| 329 | } |
| 330 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 331 | if (flags & QEMU_NET_PACKET_FLAG_RAW && nc->info->receive_raw) { |
| 332 | ret = nc->info->receive_raw(nc, data, size); |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 333 | } else { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 334 | ret = nc->info->receive(nc, data, size); |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | if (ret == 0) { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 338 | nc->receive_disabled = 1; |
Mark McLoughlin | 893379e | 2009-10-27 18:16:36 +0000 | [diff] [blame] | 339 | }; |
| 340 | |
| 341 | return ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 342 | } |
| 343 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 344 | void qemu_purge_queued_packets(NetClientState *nc) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 345 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 346 | if (!nc->peer) { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 347 | return; |
| 348 | } |
| 349 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 350 | qemu_net_queue_purge(nc->peer->send_queue, nc); |
Mark McLoughlin | 8cad551 | 2009-06-18 18:21:29 +0100 | [diff] [blame] | 351 | } |
| 352 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 353 | void qemu_flush_queued_packets(NetClientState *nc) |
Mark McLoughlin | e94667b | 2009-04-29 11:48:12 +0100 | [diff] [blame] | 354 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 355 | nc->receive_disabled = 0; |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 356 | |
Paolo Bonzini | 987a9b4 | 2012-08-09 16:45:55 +0200 | [diff] [blame] | 357 | if (qemu_net_queue_flush(nc->send_queue)) { |
| 358 | /* We emptied the queue successfully, signal to the IO thread to repoll |
| 359 | * the file descriptor (for tap, for example). |
| 360 | */ |
| 361 | qemu_notify_event(); |
| 362 | } |
Mark McLoughlin | e94667b | 2009-04-29 11:48:12 +0100 | [diff] [blame] | 363 | } |
| 364 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 365 | static ssize_t qemu_send_packet_async_with_flags(NetClientState *sender, |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 366 | unsigned flags, |
| 367 | const uint8_t *buf, int size, |
| 368 | NetPacketSent *sent_cb) |
aliguori | 764a4d1 | 2009-04-21 19:56:41 +0000 | [diff] [blame] | 369 | { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 370 | NetQueue *queue; |
Mark McLoughlin | e94667b | 2009-04-29 11:48:12 +0100 | [diff] [blame] | 371 | |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 372 | #ifdef DEBUG_NET |
Mark McLoughlin | d80b9fc | 2009-10-08 19:58:24 +0100 | [diff] [blame] | 373 | printf("qemu_send_packet_async:\n"); |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 374 | hex_dump(stdout, buf, size); |
| 375 | #endif |
| 376 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 377 | if (sender->link_down || !sender->peer) { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 378 | return size; |
| 379 | } |
| 380 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 381 | queue = sender->peer->send_queue; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 382 | |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 383 | return qemu_net_queue_send(queue, sender, flags, buf, size, sent_cb); |
| 384 | } |
| 385 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 386 | ssize_t qemu_send_packet_async(NetClientState *sender, |
Mark McLoughlin | ca77d17 | 2009-10-22 17:43:41 +0100 | [diff] [blame] | 387 | const uint8_t *buf, int size, |
| 388 | NetPacketSent *sent_cb) |
| 389 | { |
| 390 | return qemu_send_packet_async_with_flags(sender, QEMU_NET_PACKET_FLAG_NONE, |
| 391 | buf, size, sent_cb); |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 392 | } |
| 393 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 394 | void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size) |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 395 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 396 | qemu_send_packet_async(nc, buf, size, NULL); |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 397 | } |
| 398 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 399 | 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] | 400 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 401 | 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] | 402 | buf, size, NULL); |
| 403 | } |
| 404 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 405 | static ssize_t nc_sendv_compat(NetClientState *nc, const struct iovec *iov, |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 406 | int iovcnt) |
| 407 | { |
| 408 | uint8_t buffer[4096]; |
Benjamin Poirier | ce05366 | 2011-02-23 19:57:21 -0500 | [diff] [blame] | 409 | size_t offset; |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 410 | |
Michael Tokarev | dcf6f5e | 2012-03-11 18:05:12 +0400 | [diff] [blame] | 411 | offset = iov_to_buf(iov, iovcnt, 0, buffer, sizeof(buffer)); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 412 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 413 | return nc->info->receive(nc, buffer, offset); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 414 | } |
| 415 | |
Zhi Yong Wu | 86a77c3 | 2012-07-24 16:35:17 +0100 | [diff] [blame] | 416 | ssize_t qemu_deliver_packet_iov(NetClientState *sender, |
| 417 | unsigned flags, |
| 418 | const struct iovec *iov, |
| 419 | int iovcnt, |
| 420 | void *opaque) |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 421 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 422 | NetClientState *nc = opaque; |
Stefan Hajnoczi | c67f5dc | 2012-08-17 21:16:42 +0100 | [diff] [blame] | 423 | int ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 424 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 425 | if (nc->link_down) { |
Benjamin Poirier | ce05366 | 2011-02-23 19:57:21 -0500 | [diff] [blame] | 426 | return iov_size(iov, iovcnt); |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 427 | } |
| 428 | |
Stefan Hajnoczi | c67f5dc | 2012-08-17 21:16:42 +0100 | [diff] [blame] | 429 | if (nc->receive_disabled) { |
| 430 | return 0; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 431 | } |
Stefan Hajnoczi | c67f5dc | 2012-08-17 21:16:42 +0100 | [diff] [blame] | 432 | |
| 433 | if (nc->info->receive_iov) { |
| 434 | ret = nc->info->receive_iov(nc, iov, iovcnt); |
| 435 | } else { |
| 436 | ret = nc_sendv_compat(nc, iov, iovcnt); |
| 437 | } |
| 438 | |
| 439 | if (ret == 0) { |
| 440 | nc->receive_disabled = 1; |
| 441 | } |
| 442 | |
| 443 | return ret; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 444 | } |
| 445 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 446 | ssize_t qemu_sendv_packet_async(NetClientState *sender, |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 447 | const struct iovec *iov, int iovcnt, |
| 448 | NetPacketSent *sent_cb) |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 449 | { |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 450 | NetQueue *queue; |
| 451 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 452 | if (sender->link_down || !sender->peer) { |
Benjamin Poirier | ce05366 | 2011-02-23 19:57:21 -0500 | [diff] [blame] | 453 | return iov_size(iov, iovcnt); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 454 | } |
| 455 | |
Stefan Hajnoczi | a005d07 | 2012-07-24 16:35:11 +0100 | [diff] [blame] | 456 | queue = sender->peer->send_queue; |
Mark McLoughlin | 9a6ecb3 | 2009-10-08 19:58:32 +0100 | [diff] [blame] | 457 | |
Mark McLoughlin | c0b8e49 | 2009-10-22 17:43:40 +0100 | [diff] [blame] | 458 | return qemu_net_queue_send_iov(queue, sender, |
| 459 | QEMU_NET_PACKET_FLAG_NONE, |
| 460 | iov, iovcnt, sent_cb); |
aliguori | fbe78f4 | 2008-12-17 19:13:11 +0000 | [diff] [blame] | 461 | } |
| 462 | |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 463 | ssize_t |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 464 | qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, int iovcnt) |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 465 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 466 | return qemu_sendv_packet_async(nc, iov, iovcnt, NULL); |
Mark McLoughlin | f3b6c7f | 2009-04-29 12:15:26 +0100 | [diff] [blame] | 467 | } |
| 468 | |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 469 | NetClientState *qemu_find_netdev(const char *id) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 470 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 471 | NetClientState *nc; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 472 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 473 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 474 | if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) |
Markus Armbruster | 85dde9a | 2011-06-16 18:45:37 +0200 | [diff] [blame] | 475 | continue; |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 476 | if (!strcmp(nc->name, id)) { |
| 477 | return nc; |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 478 | } |
| 479 | } |
| 480 | |
| 481 | return NULL; |
| 482 | } |
| 483 | |
aliguori | 7697079 | 2009-02-11 15:20:03 +0000 | [diff] [blame] | 484 | static int nic_get_free_idx(void) |
| 485 | { |
| 486 | int index; |
| 487 | |
| 488 | for (index = 0; index < MAX_NICS; index++) |
| 489 | if (!nd_table[index].used) |
| 490 | return index; |
| 491 | return -1; |
| 492 | } |
| 493 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 494 | int qemu_show_nic_models(const char *arg, const char *const *models) |
| 495 | { |
| 496 | int i; |
| 497 | |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 498 | if (!arg || !is_help_option(arg)) { |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 499 | return 0; |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 500 | } |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 501 | |
| 502 | fprintf(stderr, "qemu: Supported NIC models: "); |
| 503 | for (i = 0 ; models[i]; i++) |
| 504 | fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n'); |
| 505 | return 1; |
| 506 | } |
| 507 | |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 508 | void qemu_check_nic_model(NICInfo *nd, const char *model) |
| 509 | { |
| 510 | const char *models[2]; |
| 511 | |
| 512 | models[0] = model; |
| 513 | models[1] = NULL; |
| 514 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 515 | if (qemu_show_nic_models(nd->model, models)) |
| 516 | exit(0); |
| 517 | if (qemu_find_nic_model(nd, models, model) < 0) |
| 518 | exit(1); |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 519 | } |
| 520 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 521 | int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
| 522 | const char *default_model) |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 523 | { |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 524 | int i; |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 525 | |
| 526 | if (!nd->model) |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 527 | nd->model = g_strdup(default_model); |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 528 | |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 529 | for (i = 0 ; models[i]; i++) { |
| 530 | if (strcmp(nd->model, models[i]) == 0) |
| 531 | return i; |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 532 | } |
| 533 | |
Markus Armbruster | 6daf194 | 2011-06-22 14:03:54 +0200 | [diff] [blame] | 534 | error_report("Unsupported NIC model: %s", nd->model); |
Markus Armbruster | 07caea3 | 2009-09-25 03:53:51 +0200 | [diff] [blame] | 535 | return -1; |
aliguori | d07f22c | 2009-01-13 19:03:57 +0000 | [diff] [blame] | 536 | } |
| 537 | |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 538 | static int net_init_nic(const NetClientOptions *opts, const char *name, |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 539 | NetClientState *peer) |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 540 | { |
| 541 | int idx; |
| 542 | NICInfo *nd; |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 543 | const NetLegacyNicOptions *nic; |
| 544 | |
| 545 | assert(opts->kind == NET_CLIENT_OPTIONS_KIND_NIC); |
| 546 | nic = opts->nic; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 547 | |
| 548 | idx = nic_get_free_idx(); |
| 549 | if (idx == -1 || nb_nics >= MAX_NICS) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 550 | error_report("Too Many NICs"); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 551 | return -1; |
| 552 | } |
| 553 | |
| 554 | nd = &nd_table[idx]; |
| 555 | |
| 556 | memset(nd, 0, sizeof(*nd)); |
| 557 | |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 558 | if (nic->has_netdev) { |
| 559 | nd->netdev = qemu_find_netdev(nic->netdev); |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 560 | if (!nd->netdev) { |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 561 | error_report("netdev '%s' not found", nic->netdev); |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 562 | return -1; |
| 563 | } |
| 564 | } else { |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 565 | assert(peer); |
| 566 | nd->netdev = peer; |
Mark McLoughlin | 5869c4d | 2009-10-08 19:58:29 +0100 | [diff] [blame] | 567 | } |
Mark McLoughlin | 6d952eb | 2009-10-08 19:58:21 +0100 | [diff] [blame] | 568 | if (name) { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 569 | nd->name = g_strdup(name); |
Mark McLoughlin | 6d952eb | 2009-10-08 19:58:21 +0100 | [diff] [blame] | 570 | } |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 571 | if (nic->has_model) { |
| 572 | nd->model = g_strdup(nic->model); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 573 | } |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 574 | if (nic->has_addr) { |
| 575 | nd->devaddr = g_strdup(nic->addr); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 576 | } |
| 577 | |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 578 | if (nic->has_macaddr && |
| 579 | net_parse_macaddr(nd->macaddr.a, nic->macaddr) < 0) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 580 | error_report("invalid syntax for ethernet address"); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 581 | return -1; |
| 582 | } |
Jan Kiszka | 6eed185 | 2011-07-20 12:20:22 +0200 | [diff] [blame] | 583 | qemu_macaddr_default_if_unset(&nd->macaddr); |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 584 | |
Laszlo Ersek | 2456f36 | 2012-07-17 16:17:14 +0200 | [diff] [blame] | 585 | if (nic->has_vectors) { |
| 586 | if (nic->vectors > 0x7ffffff) { |
| 587 | error_report("invalid # of vectors: %"PRIu32, nic->vectors); |
| 588 | return -1; |
| 589 | } |
| 590 | nd->nvectors = nic->vectors; |
| 591 | } else { |
| 592 | nd->nvectors = DEV_NVECTORS_UNSPECIFIED; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 593 | } |
| 594 | |
| 595 | nd->used = 1; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 596 | nb_nics++; |
| 597 | |
| 598 | return idx; |
| 599 | } |
| 600 | |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 601 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 602 | static int (* const net_client_init_fun[NET_CLIENT_OPTIONS_KIND_MAX])( |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 603 | const NetClientOptions *opts, |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 604 | const char *name, |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 605 | NetClientState *peer) = { |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 606 | [NET_CLIENT_OPTIONS_KIND_NIC] = net_init_nic, |
Mark McLoughlin | ec302ff | 2009-10-06 12:17:07 +0100 | [diff] [blame] | 607 | #ifdef CONFIG_SLIRP |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 608 | [NET_CLIENT_OPTIONS_KIND_USER] = net_init_slirp, |
Mark McLoughlin | ec302ff | 2009-10-06 12:17:07 +0100 | [diff] [blame] | 609 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 610 | [NET_CLIENT_OPTIONS_KIND_TAP] = net_init_tap, |
| 611 | [NET_CLIENT_OPTIONS_KIND_SOCKET] = net_init_socket, |
Mark McLoughlin | dd51058 | 2009-10-06 12:17:10 +0100 | [diff] [blame] | 612 | #ifdef CONFIG_VDE |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 613 | [NET_CLIENT_OPTIONS_KIND_VDE] = net_init_vde, |
Mark McLoughlin | dd51058 | 2009-10-06 12:17:10 +0100 | [diff] [blame] | 614 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 615 | [NET_CLIENT_OPTIONS_KIND_DUMP] = net_init_dump, |
Stefan Weil | 2944e4e | 2012-02-04 09:24:46 +0100 | [diff] [blame] | 616 | #ifdef CONFIG_NET_BRIDGE |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 617 | [NET_CLIENT_OPTIONS_KIND_BRIDGE] = net_init_bridge, |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 618 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 619 | [NET_CLIENT_OPTIONS_KIND_HUBPORT] = net_init_hubport, |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 620 | }; |
| 621 | |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 622 | |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 623 | 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] | 624 | { |
| 625 | union { |
| 626 | const Netdev *netdev; |
| 627 | const NetLegacy *net; |
| 628 | } u; |
| 629 | const NetClientOptions *opts; |
| 630 | const char *name; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 631 | |
Markus Armbruster | 5294e2c | 2010-03-25 17:22:38 +0100 | [diff] [blame] | 632 | if (is_netdev) { |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 633 | u.netdev = object; |
| 634 | opts = u.netdev->opts; |
| 635 | name = u.netdev->id; |
| 636 | |
| 637 | switch (opts->kind) { |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 638 | #ifdef CONFIG_SLIRP |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 639 | case NET_CLIENT_OPTIONS_KIND_USER: |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 640 | #endif |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 641 | case NET_CLIENT_OPTIONS_KIND_TAP: |
| 642 | case NET_CLIENT_OPTIONS_KIND_SOCKET: |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 643 | #ifdef CONFIG_VDE |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 644 | case NET_CLIENT_OPTIONS_KIND_VDE: |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 645 | #endif |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 646 | #ifdef CONFIG_NET_BRIDGE |
| 647 | case NET_CLIENT_OPTIONS_KIND_BRIDGE: |
| 648 | #endif |
Stefan Hajnoczi | f6c874e | 2012-07-24 16:35:04 +0100 | [diff] [blame] | 649 | case NET_CLIENT_OPTIONS_KIND_HUBPORT: |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 650 | break; |
| 651 | |
| 652 | default: |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 653 | error_set(errp, QERR_INVALID_PARAMETER_VALUE, "type", |
| 654 | "a netdev backend type"); |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 655 | return -1; |
| 656 | } |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 657 | } else { |
| 658 | u.net = object; |
| 659 | opts = u.net->opts; |
| 660 | /* missing optional values have been initialized to "all bits zero" */ |
| 661 | name = u.net->has_id ? u.net->id : u.net->name; |
| 662 | } |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 663 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 664 | if (net_client_init_fun[opts->kind]) { |
Stefan Hajnoczi | 4e68f7a | 2012-07-24 16:35:13 +0100 | [diff] [blame] | 665 | NetClientState *peer = NULL; |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 666 | |
| 667 | /* Do not add to a vlan if it's a -netdev or a nic with a netdev= |
| 668 | * parameter. */ |
| 669 | if (!is_netdev && |
| 670 | (opts->kind != NET_CLIENT_OPTIONS_KIND_NIC || |
| 671 | !opts->nic->has_netdev)) { |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 672 | 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] | 673 | } |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 674 | |
Stefan Hajnoczi | d33d93b | 2012-07-24 16:35:05 +0100 | [diff] [blame] | 675 | if (net_client_init_fun[opts->kind](opts, name, peer) < 0) { |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 676 | /* TODO push error reporting into init() methods */ |
| 677 | error_set(errp, QERR_DEVICE_INIT_FAILED, |
| 678 | NetClientOptionsKind_lookup[opts->kind]); |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 679 | return -1; |
| 680 | } |
| 681 | } |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 682 | return 0; |
Mark McLoughlin | f83c6e1 | 2009-10-06 12:17:06 +0100 | [diff] [blame] | 683 | } |
| 684 | |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 685 | |
| 686 | static void net_visit(Visitor *v, int is_netdev, void **object, Error **errp) |
| 687 | { |
| 688 | if (is_netdev) { |
| 689 | visit_type_Netdev(v, (Netdev **)object, NULL, errp); |
| 690 | } else { |
| 691 | visit_type_NetLegacy(v, (NetLegacy **)object, NULL, errp); |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | |
| 696 | int net_client_init(QemuOpts *opts, int is_netdev, Error **errp) |
| 697 | { |
| 698 | void *object = NULL; |
| 699 | Error *err = NULL; |
| 700 | int ret = -1; |
| 701 | |
| 702 | { |
| 703 | OptsVisitor *ov = opts_visitor_new(opts); |
| 704 | |
| 705 | net_visit(opts_get_visitor(ov), is_netdev, &object, &err); |
| 706 | opts_visitor_cleanup(ov); |
| 707 | } |
| 708 | |
| 709 | if (!err) { |
Laszlo Ersek | 1a0c095 | 2012-07-17 16:17:21 +0200 | [diff] [blame] | 710 | ret = net_client_init1(object, is_netdev, &err); |
Laszlo Ersek | 6687b79 | 2012-07-17 16:17:13 +0200 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | if (object) { |
| 714 | QapiDeallocVisitor *dv = qapi_dealloc_visitor_new(); |
| 715 | |
| 716 | net_visit(qapi_dealloc_get_visitor(dv), is_netdev, &object, NULL); |
| 717 | qapi_dealloc_visitor_cleanup(dv); |
| 718 | } |
| 719 | |
| 720 | error_propagate(errp, err); |
| 721 | return ret; |
| 722 | } |
| 723 | |
| 724 | |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 725 | static int net_host_check_device(const char *device) |
| 726 | { |
| 727 | int i; |
aliguori | bb9ea79 | 2009-04-21 19:56:28 +0000 | [diff] [blame] | 728 | const char *valid_param_list[] = { "tap", "socket", "dump" |
Stefan Weil | 2944e4e | 2012-02-04 09:24:46 +0100 | [diff] [blame] | 729 | #ifdef CONFIG_NET_BRIDGE |
| 730 | , "bridge" |
| 731 | #endif |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 732 | #ifdef CONFIG_SLIRP |
| 733 | ,"user" |
| 734 | #endif |
| 735 | #ifdef CONFIG_VDE |
| 736 | ,"vde" |
| 737 | #endif |
| 738 | }; |
| 739 | for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) { |
| 740 | if (!strncmp(valid_param_list[i], device, |
| 741 | strlen(valid_param_list[i]))) |
| 742 | return 1; |
| 743 | } |
| 744 | |
| 745 | return 0; |
| 746 | } |
| 747 | |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 748 | void net_host_device_add(Monitor *mon, const QDict *qdict) |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 749 | { |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 750 | const char *device = qdict_get_str(qdict, "device"); |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 751 | const char *opts_str = qdict_get_try_str(qdict, "opts"); |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 752 | Error *local_err = NULL; |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 753 | QemuOpts *opts; |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 754 | |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 755 | if (!net_host_check_device(device)) { |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 756 | monitor_printf(mon, "invalid host network device %s\n", device); |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 757 | return; |
| 758 | } |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 759 | |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 760 | 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] | 761 | if (!opts) { |
Mark McLoughlin | 7f1c9d2 | 2009-10-06 12:17:13 +0100 | [diff] [blame] | 762 | return; |
| 763 | } |
| 764 | |
| 765 | qemu_opt_set(opts, "type", device); |
| 766 | |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 767 | net_client_init(opts, 0, &local_err); |
| 768 | if (error_is_set(&local_err)) { |
| 769 | qerror_report_err(local_err); |
| 770 | error_free(local_err); |
aliguori | 5c8be67 | 2009-04-21 19:56:32 +0000 | [diff] [blame] | 771 | monitor_printf(mon, "adding host network device %s failed\n", device); |
| 772 | } |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 773 | } |
| 774 | |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 775 | void net_host_device_remove(Monitor *mon, const QDict *qdict) |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 776 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 777 | NetClientState *nc; |
Luiz Capitulino | f18c16d | 2009-08-28 15:27:14 -0300 | [diff] [blame] | 778 | int vlan_id = qdict_get_int(qdict, "vlan_id"); |
| 779 | const char *device = qdict_get_str(qdict, "device"); |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 780 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 781 | nc = net_hub_find_client_by_name(vlan_id, device); |
| 782 | if (!nc) { |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 783 | return; |
| 784 | } |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 785 | if (!net_host_check_device(nc->model)) { |
aliguori | e8f1f9d | 2009-04-21 19:56:08 +0000 | [diff] [blame] | 786 | monitor_printf(mon, "invalid host network device %s\n", device); |
| 787 | return; |
| 788 | } |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 789 | qemu_del_net_client(nc); |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 790 | } |
| 791 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 792 | void netdev_add(QemuOpts *opts, Error **errp) |
| 793 | { |
| 794 | net_client_init(opts, 1, errp); |
| 795 | } |
| 796 | |
| 797 | int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret) |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 798 | { |
Luiz Capitulino | 4e89978 | 2012-04-18 17:24:01 -0300 | [diff] [blame] | 799 | Error *local_err = NULL; |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 800 | QemuOptsList *opts_list; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 801 | QemuOpts *opts; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 802 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 803 | opts_list = qemu_find_opts_err("netdev", &local_err); |
| 804 | if (error_is_set(&local_err)) { |
| 805 | goto exit_err; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 806 | } |
| 807 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 808 | opts = qemu_opts_from_qdict(opts_list, qdict, &local_err); |
| 809 | if (error_is_set(&local_err)) { |
| 810 | goto exit_err; |
| 811 | } |
| 812 | |
| 813 | netdev_add(opts, &local_err); |
| 814 | if (error_is_set(&local_err)) { |
Yoshiaki Tamura | 410cbaf | 2010-06-21 10:41:36 +0900 | [diff] [blame] | 815 | qemu_opts_del(opts); |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 816 | goto exit_err; |
Yoshiaki Tamura | 410cbaf | 2010-06-21 10:41:36 +0900 | [diff] [blame] | 817 | } |
| 818 | |
Luiz Capitulino | 928059a | 2012-04-18 17:34:15 -0300 | [diff] [blame] | 819 | return 0; |
| 820 | |
| 821 | exit_err: |
| 822 | qerror_report_err(local_err); |
| 823 | error_free(local_err); |
| 824 | return -1; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 825 | } |
| 826 | |
Luiz Capitulino | 5f96415 | 2012-04-16 14:36:32 -0300 | [diff] [blame] | 827 | void qmp_netdev_del(const char *id, Error **errp) |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 828 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 829 | NetClientState *nc; |
Stefan Hajnoczi | 645c949 | 2012-10-24 14:34:12 +0200 | [diff] [blame] | 830 | QemuOpts *opts; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 831 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 832 | nc = qemu_find_netdev(id); |
| 833 | if (!nc) { |
Luiz Capitulino | 5f96415 | 2012-04-16 14:36:32 -0300 | [diff] [blame] | 834 | error_set(errp, QERR_DEVICE_NOT_FOUND, id); |
| 835 | return; |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 836 | } |
Luiz Capitulino | 5f96415 | 2012-04-16 14:36:32 -0300 | [diff] [blame] | 837 | |
Stefan Hajnoczi | 645c949 | 2012-10-24 14:34:12 +0200 | [diff] [blame] | 838 | opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), id); |
| 839 | if (!opts) { |
| 840 | error_setg(errp, "Device '%s' is not a netdev", id); |
| 841 | return; |
| 842 | } |
| 843 | |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 844 | qemu_del_net_client(nc); |
Stefan Hajnoczi | 645c949 | 2012-10-24 14:34:12 +0200 | [diff] [blame] | 845 | qemu_opts_del(opts); |
Markus Armbruster | ae82d32 | 2010-03-25 17:22:40 +0100 | [diff] [blame] | 846 | } |
| 847 | |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 848 | void print_net_client(Monitor *mon, NetClientState *nc) |
Jan Kiszka | 44e798d | 2011-07-20 12:20:21 +0200 | [diff] [blame] | 849 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 850 | monitor_printf(mon, "%s: type=%s,%s\n", nc->name, |
| 851 | NetClientOptionsKind_lookup[nc->info->type], nc->info_str); |
Jan Kiszka | 44e798d | 2011-07-20 12:20:21 +0200 | [diff] [blame] | 852 | } |
| 853 | |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 854 | void do_info_network(Monitor *mon) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 855 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 856 | NetClientState *nc, *peer; |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 857 | NetClientOptionsKind type; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 858 | |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 859 | net_hub_info(mon); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 860 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 861 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 862 | peer = nc->peer; |
| 863 | type = nc->info->type; |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 864 | |
| 865 | /* Skip if already printed in hub info */ |
| 866 | if (net_hub_id_for_client(nc, NULL) == 0) { |
| 867 | continue; |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 868 | } |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 869 | |
Laszlo Ersek | 2be64a6 | 2012-07-17 16:17:12 +0200 | [diff] [blame] | 870 | if (!peer || type == NET_CLIENT_OPTIONS_KIND_NIC) { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 871 | print_net_client(mon, nc); |
Jan Kiszka | 19061e6 | 2011-07-20 12:20:19 +0200 | [diff] [blame] | 872 | } /* 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] | 873 | if (peer && type == NET_CLIENT_OPTIONS_KIND_NIC) { |
Zhi Yong Wu | 1a85959 | 2012-07-24 16:35:16 +0100 | [diff] [blame] | 874 | monitor_printf(mon, " \\ "); |
Jan Kiszka | 44e798d | 2011-07-20 12:20:21 +0200 | [diff] [blame] | 875 | print_net_client(mon, peer); |
Markus Armbruster | a0104e0 | 2010-02-11 14:45:01 +0100 | [diff] [blame] | 876 | } |
Markus Armbruster | a0104e0 | 2010-02-11 14:45:01 +0100 | [diff] [blame] | 877 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 878 | } |
| 879 | |
Luiz Capitulino | 4b37156 | 2011-11-23 13:11:55 -0200 | [diff] [blame] | 880 | void qmp_set_link(const char *name, bool up, Error **errp) |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 881 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 882 | NetClientState *nc = NULL; |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 883 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 884 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 885 | if (!strcmp(nc->name, name)) { |
Markus Armbruster | 85dde9a | 2011-06-16 18:45:37 +0200 | [diff] [blame] | 886 | goto done; |
| 887 | } |
| 888 | } |
edgar_igl | dd5de37 | 2009-01-09 00:48:28 +0000 | [diff] [blame] | 889 | done: |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 890 | if (!nc) { |
Luiz Capitulino | 4b37156 | 2011-11-23 13:11:55 -0200 | [diff] [blame] | 891 | error_set(errp, QERR_DEVICE_NOT_FOUND, name); |
| 892 | return; |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 893 | } |
| 894 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 895 | nc->link_down = !up; |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 896 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 897 | if (nc->info->link_status_changed) { |
| 898 | nc->info->link_status_changed(nc); |
Mark McLoughlin | 665a3b0 | 2009-11-25 18:49:30 +0000 | [diff] [blame] | 899 | } |
Michael S. Tsirkin | ab1cbe1 | 2011-02-09 18:45:04 +0200 | [diff] [blame] | 900 | |
| 901 | /* Notify peer. Don't update peer link status: this makes it possible to |
| 902 | * disconnect from host network without notifying the guest. |
| 903 | * FIXME: is disconnected link status change operation useful? |
| 904 | * |
| 905 | * Current behaviour is compatible with qemu vlans where there could be |
| 906 | * multiple clients that can still communicate with each other in |
| 907 | * disconnected mode. For now maintain this compatibility. */ |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 908 | if (nc->peer && nc->peer->info->link_status_changed) { |
| 909 | nc->peer->info->link_status_changed(nc->peer); |
Michael S. Tsirkin | ab1cbe1 | 2011-02-09 18:45:04 +0200 | [diff] [blame] | 910 | } |
aliguori | 436e5e5 | 2009-01-08 19:44:06 +0000 | [diff] [blame] | 911 | } |
| 912 | |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 913 | void net_cleanup(void) |
| 914 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 915 | NetClientState *nc, *next_vc; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 916 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 917 | QTAILQ_FOREACH_SAFE(nc, &net_clients, next, next_vc) { |
Stefan Hajnoczi | b20c6b9 | 2012-07-24 16:35:15 +0100 | [diff] [blame] | 918 | qemu_del_net_client(nc); |
Mark McLoughlin | 577c4af | 2009-10-08 19:58:28 +0100 | [diff] [blame] | 919 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 920 | } |
| 921 | |
Markus Armbruster | 668680f | 2010-02-11 14:44:58 +0100 | [diff] [blame] | 922 | void net_check_clients(void) |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 923 | { |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 924 | NetClientState *nc; |
Peter Maydell | 48e2faf | 2011-05-20 16:50:01 +0100 | [diff] [blame] | 925 | int i; |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 926 | |
Peter Maydell | 641f6ea | 2011-05-20 16:50:00 +0100 | [diff] [blame] | 927 | /* Don't warn about the default network setup that you get if |
| 928 | * no command line -net or -netdev options are specified. There |
| 929 | * are two cases that we would otherwise complain about: |
| 930 | * (1) board doesn't support a NIC but the implicit "-net nic" |
| 931 | * requested one |
| 932 | * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" |
| 933 | * sets up a nic that isn't connected to anything. |
| 934 | */ |
| 935 | if (default_net) { |
| 936 | return; |
| 937 | } |
| 938 | |
Stefan Hajnoczi | 8101764 | 2012-07-24 16:35:07 +0100 | [diff] [blame] | 939 | net_hub_check_clients(); |
Tristan Gingold | ac60cc1 | 2011-03-15 14:20:54 +0100 | [diff] [blame] | 940 | |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 941 | QTAILQ_FOREACH(nc, &net_clients, next) { |
| 942 | if (!nc->peer) { |
Markus Armbruster | efe32fd | 2010-02-11 14:45:00 +0100 | [diff] [blame] | 943 | fprintf(stderr, "Warning: %s %s has no peer\n", |
Stefan Hajnoczi | 35277d1 | 2012-07-24 16:35:14 +0100 | [diff] [blame] | 944 | nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC ? |
| 945 | "nic" : "netdev", nc->name); |
Markus Armbruster | efe32fd | 2010-02-11 14:45:00 +0100 | [diff] [blame] | 946 | } |
| 947 | } |
Peter Maydell | 48e2faf | 2011-05-20 16:50:01 +0100 | [diff] [blame] | 948 | |
| 949 | /* Check that all NICs requested via -net nic actually got created. |
| 950 | * NICs created via -device don't need to be checked here because |
| 951 | * they are always instantiated. |
| 952 | */ |
| 953 | for (i = 0; i < MAX_NICS; i++) { |
| 954 | NICInfo *nd = &nd_table[i]; |
| 955 | if (nd->used && !nd->instantiated) { |
| 956 | fprintf(stderr, "Warning: requested NIC (%s, model %s) " |
| 957 | "was not created (not supported by this machine?)\n", |
| 958 | nd->name ? nd->name : "anonymous", |
| 959 | nd->model ? nd->model : "unspecified"); |
| 960 | } |
| 961 | } |
aliguori | 63a01ef | 2008-10-31 19:10:00 +0000 | [diff] [blame] | 962 | } |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 963 | |
| 964 | static int net_init_client(QemuOpts *opts, void *dummy) |
| 965 | { |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 966 | Error *local_err = NULL; |
| 967 | |
| 968 | net_client_init(opts, 0, &local_err); |
| 969 | if (error_is_set(&local_err)) { |
| 970 | qerror_report_err(local_err); |
| 971 | error_free(local_err); |
Mark McLoughlin | c1671a0 | 2009-10-12 09:52:00 +0100 | [diff] [blame] | 972 | return -1; |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 973 | } |
| 974 | |
Mark McLoughlin | c1671a0 | 2009-10-12 09:52:00 +0100 | [diff] [blame] | 975 | return 0; |
Mark McLoughlin | f6b134a | 2009-10-08 19:58:27 +0100 | [diff] [blame] | 976 | } |
| 977 | |
| 978 | static int net_init_netdev(QemuOpts *opts, void *dummy) |
| 979 | { |
Luiz Capitulino | 4559a1d | 2012-04-20 16:50:25 -0300 | [diff] [blame] | 980 | Error *local_err = NULL; |
| 981 | int ret; |
| 982 | |
| 983 | ret = net_client_init(opts, 1, &local_err); |
| 984 | if (error_is_set(&local_err)) { |
| 985 | qerror_report_err(local_err); |
| 986 | error_free(local_err); |
| 987 | return -1; |
| 988 | } |
| 989 | |
| 990 | return ret; |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 991 | } |
| 992 | |
| 993 | int net_init_clients(void) |
| 994 | { |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 995 | QemuOptsList *net = qemu_find_opts("net"); |
| 996 | |
Gerd Hoffmann | cb4522c | 2009-12-08 13:11:47 +0100 | [diff] [blame] | 997 | if (default_net) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 998 | /* if no clients, we use a default config */ |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 999 | qemu_opts_set(net, NULL, "type", "nic"); |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1000 | #ifdef CONFIG_SLIRP |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1001 | qemu_opts_set(net, NULL, "type", "user"); |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1002 | #endif |
| 1003 | } |
| 1004 | |
Stefan Hajnoczi | 9487899 | 2012-07-24 16:35:12 +0100 | [diff] [blame] | 1005 | QTAILQ_INIT(&net_clients); |
Mark McLoughlin | 5610c3a | 2009-10-08 19:58:23 +0100 | [diff] [blame] | 1006 | |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1007 | 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] | 1008 | return -1; |
| 1009 | |
Gerd Hoffmann | 3329f07 | 2010-08-20 13:52:01 +0200 | [diff] [blame] | 1010 | if (qemu_opts_foreach(net, net_init_client, NULL, 1) == -1) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1011 | return -1; |
| 1012 | } |
| 1013 | |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1014 | return 0; |
| 1015 | } |
| 1016 | |
Mark McLoughlin | 7f161aa | 2009-10-08 19:58:25 +0100 | [diff] [blame] | 1017 | int net_client_parse(QemuOptsList *opts_list, const char *optarg) |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1018 | { |
Juan Quintela | a3a766e | 2009-10-07 23:44:15 +0200 | [diff] [blame] | 1019 | #if defined(CONFIG_SLIRP) |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 1020 | int ret; |
| 1021 | if (net_slirp_parse_legacy(opts_list, optarg, &ret)) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1022 | return ret; |
| 1023 | } |
Juan Quintela | a3a766e | 2009-10-07 23:44:15 +0200 | [diff] [blame] | 1024 | #endif |
Mark McLoughlin | 68ac40d | 2009-11-25 18:48:54 +0000 | [diff] [blame] | 1025 | |
Markus Armbruster | 8212c64 | 2010-02-10 19:52:18 +0100 | [diff] [blame] | 1026 | if (!qemu_opts_parse(opts_list, optarg, 1)) { |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1027 | return -1; |
| 1028 | } |
| 1029 | |
Gerd Hoffmann | cb4522c | 2009-12-08 13:11:47 +0100 | [diff] [blame] | 1030 | default_net = 0; |
Mark McLoughlin | dc1c9fe | 2009-10-06 12:17:16 +0100 | [diff] [blame] | 1031 | return 0; |
| 1032 | } |
Jason Wang | 7fc8d91 | 2012-03-05 11:08:50 +0800 | [diff] [blame] | 1033 | |
| 1034 | /* From FreeBSD */ |
| 1035 | /* XXX: optimize */ |
| 1036 | unsigned compute_mcast_idx(const uint8_t *ep) |
| 1037 | { |
| 1038 | uint32_t crc; |
| 1039 | int carry, i, j; |
| 1040 | uint8_t b; |
| 1041 | |
| 1042 | crc = 0xffffffff; |
| 1043 | for (i = 0; i < 6; i++) { |
| 1044 | b = *ep++; |
| 1045 | for (j = 0; j < 8; j++) { |
| 1046 | carry = ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01); |
| 1047 | crc <<= 1; |
| 1048 | b >>= 1; |
| 1049 | if (carry) { |
| 1050 | crc = ((crc ^ POLYNOMIAL) | carry); |
| 1051 | } |
| 1052 | } |
| 1053 | } |
| 1054 | return crc >> 26; |
| 1055 | } |