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SubjectPATCH 2.4.4.ac9: BOOTP/DHCP
On Mon, May 14, 2001 at 12:02:48PM -0700, H . J . Lu wrote:
>
> BTW, I cannot select both CONFIG_IP_PNP_DHCP and CONFIG_IP_PNP_BOOTP.
> BOOTP doesn' work even if I pass "ip=bootp" to kernel. I will take
> a look.
>
>

Here is a patch. We should do DHCP iff it is enabled.


H.J.
--- linux-2.4.4-ac9/net/ipv4/ipconfig.c.auto Mon May 14 12:18:18 2001
+++ linux-2.4.4-ac9/net/ipv4/ipconfig.c Mon May 14 12:52:51 2001
@@ -816,61 +816,63 @@ static int __init ic_bootp_recv(struct s
u8 *ext;

#ifdef IPCONFIG_DHCP
+ if (ic_proto_enabled & IC_USE_DHCP) {

- u32 server_id = INADDR_NONE;
- int mt = 0;
+ u32 server_id = INADDR_NONE;
+ int mt = 0;

- ext = &b->exten[4];
- while (ext < end && *ext != 0xff) {
- u8 *opt = ext++;
- if (*opt == 0) /* Padding */
- continue;
- ext += *ext + 1;
- if (ext >= end)
- break;
- switch (*opt) {
- case 53: /* Message type */
- if (opt[1])
- mt = opt[2];
- break;
- case 54: /* Server ID (IP address) */
- if (opt[1] >= 4)
- memcpy(&server_id, opt + 2, 4);
- break;
+ ext = &b->exten[4];
+ while (ext < end && *ext != 0xff) {
+ u8 *opt = ext++;
+ if (*opt == 0) /* Padding */
+ continue;
+ ext += *ext + 1;
+ if (ext >= end)
+ break;
+ switch (*opt) {
+ case 53: /* Message type */
+ if (opt[1])
+ mt = opt[2];
+ break;
+ case 54: /* Server ID (IP address) */
+ if (opt[1] >= 4)
+ memcpy(&server_id, opt + 2, 4);
+ break;
+ }
}
- }

#ifdef IPCONFIG_DEBUG
- printk("DHCP: Got message type %d\n", mt);
+ printk("DHCP: Got message type %d\n", mt);
#endif

- switch (mt) {
- case DHCPOFFER:
- /* While in the process of accepting one offer,
- ignore all others. */
- if (ic_myaddr != INADDR_NONE)
- goto drop;
- /* Let's accept that offer. */
- ic_myaddr = b->your_ip;
- ic_servaddr = server_id;
+ switch (mt) {
+ case DHCPOFFER:
+ /* While in the process of accepting one offer,
+ ignore all others. */
+ if (ic_myaddr != INADDR_NONE)
+ goto drop;
+ /* Let's accept that offer. */
+ ic_myaddr = b->your_ip;
+ ic_servaddr = server_id;
#ifdef IPCONFIG_DEBUG
- printk("DHCP: Offered address %u.%u.%u.%u", NIPQUAD(ic_myaddr));
- printk(" by server %u.%u.%u.%u\n", NIPQUAD(ic_servaddr));
+ printk("DHCP: Offered address %u.%u.%u.%u", NIPQUAD(ic_myaddr));
+ printk(" by server %u.%u.%u.%u\n", NIPQUAD(ic_servaddr));
#endif
- break;
+ break;

- case DHCPACK:
- /* Yeah! */
- break;
-
- default:
- /* Urque. Forget it*/
- ic_myaddr = INADDR_NONE;
- ic_servaddr = INADDR_NONE;
- goto drop;
- }
+ case DHCPACK:
+ /* Yeah! */
+ break;
+
+ default:
+ /* Urque. Forget it*/
+ ic_myaddr = INADDR_NONE;
+ ic_servaddr = INADDR_NONE;
+ goto drop;
+ }

- ic_dhcp_msgtype = mt;
+ ic_dhcp_msgtype = mt;
+ }

#endif /* IPCONFIG_DHCP */

-
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