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Differential D32708 Diff 98032 sys/nfs/bootp_subr.c

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sys/nfs/bootp_subr.c

Show First 20 Lines • Show All 648 Lines • ▼ Show 20 Lines STAILQ_FOREACH(ifctx, &gctx->interfaces, next) {
error = sosend(bootp_so, (struct sockaddr *) &dst, error = sosend(bootp_so, (struct sockaddr *) &dst,
&auio, NULL, NULL, 0, td); &auio, NULL, NULL, 0, td);
if (error != 0) if (error != 0)
printf("%s: sosend: %d state %08x\n", __func__, printf("%s: sosend: %d state %08x\n", __func__,
error, (int )bootp_so->so_state); error, (int )bootp_so->so_state);
/* Set netmask to 255.0.0.0 */ /* Set netmask to 255.0.0.0 */
sin->sin_addr.s_addr = htonl(IN_CLASSA_NET); sin->sin_addr.s_addr = htonl(0xff000000);
impUnsubmitted
Not Done
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Why is 0xff000000 right here? I know it is historical behavior, but what is its root? Does it deserve a comment?

imp: Why is 0xff000000 right here? I know it is historical behavior, but what is its root? Does it…
karelsAuthorUnsubmitted
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I don't know why this value is used. It may deserve a comment, but I wouldn't know what to say.

karels: I don't know why this value is used. It may deserve a comment, but I wouldn't know what to say.
error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra, error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra,
td); td);
if (error != 0) if (error != 0)
panic("%s: SIOCAIFADDR, error=%d", __func__, panic("%s: SIOCAIFADDR, error=%d", __func__,
error); error);
} }
if (outstanding == 0 && if (outstanding == 0 &&
▲ Show 20 Lines • Show All 211 Lines • ▼ Show 20 Linesbootpc_fakeup_interface(struct bootpc_ifcontext *ifctx, struct thread *td)
* Do enough of ifconfig(8) so that the chosen interface * Do enough of ifconfig(8) so that the chosen interface
* can talk to the servers. Set address to 0.0.0.0/8 and * can talk to the servers. Set address to 0.0.0.0/8 and
* broadcast address to local broadcast. * broadcast address to local broadcast.
*/ */
sin = (struct sockaddr_in *)&ifra->ifra_addr; sin = (struct sockaddr_in *)&ifra->ifra_addr;
clear_sinaddr(sin); clear_sinaddr(sin);
sin = (struct sockaddr_in *)&ifra->ifra_mask; sin = (struct sockaddr_in *)&ifra->ifra_mask;
clear_sinaddr(sin); clear_sinaddr(sin);
sin->sin_addr.s_addr = htonl(IN_CLASSA_NET); sin->sin_addr.s_addr = htonl(0xff000000);
sin = (struct sockaddr_in *)&ifra->ifra_broadaddr; sin = (struct sockaddr_in *)&ifra->ifra_broadaddr;
clear_sinaddr(sin); clear_sinaddr(sin);
sin->sin_addr.s_addr = htonl(INADDR_BROADCAST); sin->sin_addr.s_addr = htonl(INADDR_BROADCAST);
error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra, td); error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra, td);
if (error != 0) if (error != 0)
panic("%s: SIOCAIFADDR, error=%d", __func__, error); panic("%s: SIOCAIFADDR, error=%d", __func__, error);
} }
▲ Show 20 Lines • Show All 586 Lines • ▼ Show 20 Lines p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen,
TAG_INTF_MTU); TAG_INTF_MTU);
if (p != NULL) { if (p != NULL) {
ifctx->mtu = be16dec(p); ifctx->mtu = be16dec(p);
} }
printf("\n"); printf("\n");
if (ifctx->gotnetmask == 0) { if (ifctx->gotnetmask == 0) {
if (IN_CLASSA(ntohl(ifctx->myaddr.sin_addr.s_addr))) /*
ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSA_NET); * If there is no netmask, use a default, but we really
else if (IN_CLASSB(ntohl(ifctx->myaddr.sin_addr.s_addr))) * need the right mask from the server.
ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSB_NET); */
else printf("%s: no netmask received!\n", ifctx->ireq.ifr_name);
ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSC_NET); ifctx->netmask.sin_addr.s_addr = htonl(IN_NETMASK_DEFAULT);
} }
} }
void void
bootpc_init(void) bootpc_init(void)
{ {
struct bootpc_ifcontext *ifctx; /* Interface BOOTP contexts */ struct bootpc_ifcontext *ifctx; /* Interface BOOTP contexts */
struct bootpc_globalcontext *gctx; /* Global BOOTP context */ struct bootpc_globalcontext *gctx; /* Global BOOTP context */
▲ Show 20 Lines • Show All 324 Lines • Show Last 20 Lines