diff options
Diffstat (limited to 'net.c')
| -rw-r--r-- | net.c | 26 |
1 files changed, 22 insertions, 4 deletions
@@ -1162,6 +1162,18 @@ static void tap_send(void *opaque) } while (size > 0); } +static void tap_set_sndbuf(TAPState *s, int sndbuf, Monitor *mon) +{ +#ifdef TUNSETSNDBUF + if (ioctl(s->fd, TUNSETSNDBUF, &sndbuf) == -1) { + config_error(mon, "TUNSETSNDBUF ioctl failed: %s\n", + strerror(errno)); + } +#else + config_error(mon, "No '-net tap,sndbuf=<nbytes>' support available\n"); +#endif +} + static void tap_cleanup(VLANClientState *vc) { TAPState *s = vc->opaque; @@ -2141,9 +2153,6 @@ void qemu_check_nic_model_list(NICInfo *nd, const char * const *models, int net_client_init(Monitor *mon, const char *device, const char *p) { - static const char * const fd_params[] = { - "vlan", "name", "fd", NULL - }; char buf[1024]; int vlan_id, ret; VLANState *vlan; @@ -2298,6 +2307,9 @@ int net_client_init(Monitor *mon, const char *device, const char *p) int fd; vlan->nb_host_devs++; if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { + static const char * const fd_params[] = { + "vlan", "name", "fd", "sndbuf", NULL + }; if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) { config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); ret = -1; @@ -2308,7 +2320,7 @@ int net_client_init(Monitor *mon, const char *device, const char *p) s = net_tap_fd_init(vlan, device, name, fd); } else { static const char * const tap_params[] = { - "vlan", "name", "ifname", "script", "downscript", NULL + "vlan", "name", "ifname", "script", "downscript", "sndbuf", NULL }; if (check_params(chkbuf, sizeof(chkbuf), tap_params, p) < 0) { config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); @@ -2327,6 +2339,9 @@ int net_client_init(Monitor *mon, const char *device, const char *p) s = net_tap_init(vlan, device, name, ifname, setup_script, down_script); } if (s != NULL) { + if (get_param_value(buf, sizeof(buf), "sndbuf", p)) { + tap_set_sndbuf(s, atoi(buf), mon); + } ret = 0; } else { ret = -1; @@ -2336,6 +2351,9 @@ int net_client_init(Monitor *mon, const char *device, const char *p) if (!strcmp(device, "socket")) { char chkbuf[64]; if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { + static const char * const fd_params[] = { + "vlan", "name", "fd", NULL + }; int fd; if (check_params(chkbuf, sizeof(chkbuf), fd_params, p) < 0) { config_error(mon, "invalid parameter '%s' in '%s'\n", chkbuf, p); |