const char *vnameserver, const char *vnameserver6,
const char *smb_export, const char *vsmbserver,
const char **dnssearch, const char *vdomainname,
+ const char *tftp_server_name,
Error **errp)
{
/* default settings according to historic slirp */
return -1;
}
+ if (tftp_server_name && strlen(tftp_server_name) > 255) {
+ error_setg(errp, "'tftp-server-name' parameter cannot exceed 255 bytes");
+ return -1;
+ }
+
nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str),
s->slirp = slirp_init(restricted, ipv4, net, mask, host,
ipv6, ip6_prefix, vprefix6_len, ip6_host,
- vhostname, tftp_export, bootfile, dhcp,
+ vhostname, tftp_server_name,
+ tftp_export, bootfile, dhcp,
dns, ip6_dns, dnssearch, vdomainname, s);
QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry);
user->ipv6_host, user->hostname, user->tftp,
user->bootfile, user->dhcpstart,
user->dns, user->ipv6_dns, user->smb,
- user->smbserver, dnssearch, user->domainname, errp);
+ user->smbserver, dnssearch, user->domainname,
+ user->tftp_server_name, errp);
while (slirp_configs) {
config = slirp_configs;
#
# @guestfwd: forward guest TCP connections
#
+# @tftp-server-name: RFC2132 "TFTP server name" string (Since 3.1)
+#
# Since: 1.2
##
{ 'struct': 'NetdevUserOptions',
'*smb': 'str',
'*smbserver': 'str',
'*hostfwd': ['String'],
- '*guestfwd': ['String'] } }
+ '*guestfwd': ['String'],
+ '*tftp-server-name': 'str' } }
##
# @NetdevTapOptions:
" [,ipv6[=on|off]][,ipv6-net=addr[/int]][,ipv6-host=addr]\n"
" [,restrict=on|off][,hostname=host][,dhcpstart=addr]\n"
" [,dns=addr][,ipv6-dns=addr][,dnssearch=domain][,domainname=domain]\n"
- " [,tftp=dir][,bootfile=f][,hostfwd=rule][,guestfwd=rule]"
+ " [,tftp=dir][,tftp-server-name=name][,bootfile=f][,hostfwd=rule][,guestfwd=rule]"
#ifndef _WIN32
"[,smb=dir[,smbserver=addr]]\n"
#endif
The TFTP client on the guest must be configured in binary mode (use the command
@code{bin} of the Unix TFTP client).
+@item tftp-server-name=@var{name}
+In BOOTP reply, broadcast @var{name} as the "TFTP server name" (RFC2132 option
+66). This can be used to advise the guest to load boot files or configurations
+from a different server than the host address.
+
@item bootfile=@var{file}
When using the user mode network stack, broadcast @var{file} as the BOOTP
filename. In conjunction with @option{tftp}, this can be used to network boot
}
}
+ if (slirp->tftp_server_name) {
+ val = strlen(slirp->tftp_server_name);
+ if (q + val + 2 >= end) {
+ g_warning("DHCP packet size exceeded, "
+ "omitting tftp-server-name option.");
+ } else {
+ *q++ = RFC2132_TFTP_SERVER_NAME;
+ *q++ = val;
+ memcpy(q, slirp->tftp_server_name, val);
+ q += val;
+ }
+ }
+
if (slirp->vdnssearch) {
val = slirp->vdnssearch_len;
if (q + val >= end) {
#define RFC2132_MAX_SIZE 57
#define RFC2132_RENEWAL_TIME 58
#define RFC2132_REBIND_TIME 59
+#define RFC2132_TFTP_SERVER_NAME 66
#define DHCPDISCOVER 1
#define DHCPOFFER 2
bool in6_enabled,
struct in6_addr vprefix_addr6, uint8_t vprefix_len,
struct in6_addr vhost6, const char *vhostname,
+ const char *tftp_server_name,
const char *tftp_path, const char *bootfile,
struct in_addr vdhcp_start, struct in_addr vnameserver,
struct in6_addr vnameserver6, const char **vdnssearch,
bool in6_enabled,
struct in6_addr vprefix_addr6, uint8_t vprefix_len,
struct in6_addr vhost6, const char *vhostname,
+ const char *tftp_server_name,
const char *tftp_path, const char *bootfile,
struct in_addr vdhcp_start, struct in_addr vnameserver,
struct in6_addr vnameserver6, const char **vdnssearch,
slirp->vdhcp_startaddr = vdhcp_start;
slirp->vnameserver_addr = vnameserver;
slirp->vnameserver_addr6 = vnameserver6;
+ slirp->tftp_server_name = g_strdup(tftp_server_name);
if (vdnssearch) {
translate_dnssearch(slirp, vdnssearch);
/* tftp states */
char *tftp_prefix;
struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
+ char *tftp_server_name;
ArpTable arp_table;
NdpTable ndp_table;