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Add TAG_VENDOR_INDENTIFIER (option 60) to our DHCP request done by the

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kernel BOOTP option.  The format will be:
	FreeBSD:<MACHINE>:<osrelease>
this way people can tune their DHCP server to server up root file systems
via the OS, machine type and version.

Obtained from:	NetBSD
MFC after:	3 weeks
This commit is contained in:
ambrisko 2002-05-17 20:18:48 +00:00
parent 80b0d5d606
commit 0f6f0cccbe
1 changed files with 12 additions and 0 deletions
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12
sys/nfsclient/bootp_subr.c
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@ -205,6 +205,8 @@ struct bootpc_globalcontext {
#define TAG_DHCP_SERVERID 54
#define TAG_DHCP_LEASETIME 51
#define TAG_VENDOR_INDENTIFIER 60
#define DHCP_NOMSG 0
#define DHCP_DISCOVER 1
#define DHCP_OFFER 2
@ -1309,7 +1311,9 @@ bootpc_compose_query(struct bootpc_ifcontext *ifctx,
struct bootpc_globalcontext *gctx, struct thread *td)
{
unsigned char *vendp;
unsigned char vendor_client[64];
uint32_t leasetime;
uint8_t vendor_client_len;
ifctx->gotrootpath = 0;
@ -1334,6 +1338,14 @@ bootpc_compose_query(struct bootpc_ifcontext *ifctx,
*vendp++ = 2;
*vendp++ = (sizeof(struct bootp_packet) >> 8) & 255;
*vendp++ = sizeof(struct bootp_packet) & 255;
snprintf(vendor_client, sizeof(vendor_client), "%s:%s:%s",
ostype, MACHINE, osrelease);
vendor_client_len = strlen(vendor_client);
*vendp++ = TAG_VENDOR_INDENTIFIER;
*vendp++ = vendor_client_len;
memcpy(vendp, vendor_client, vendor_client_len);
vendp += vendor_client_len;;
ifctx->dhcpquerytype = DHCP_NOMSG;
switch (ifctx->state) {
case IF_DHCP_UNRESOLVED: