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pimd: Fix some null register issues

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The Null register bit was not properly being set and
the total length was wrong as well.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2016-08-04 12:58:47 -04:00
parent 7a3ddda53f
commit dc686f820b
3 changed files with 17 additions and 6 deletions
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19
pimd/pim_join.c
View File

@ -166,7 +166,7 @@ static void recv_prune(struct interface *ifp,
sg.src.s_addr = INADDR_ANY;
}
pim_ifchannel_prune(ifp, upstream, &sg, source_flags, holdtime);
if (sg.src.s_addr == INADDR_ANY)
@ -179,18 +179,29 @@ static void recv_prune(struct interface *ifp,
{
if (child->parent == up)
{
struct channel_oil *c_oil = child->channel_oil;
struct pim_ifchannel *ch = pim_ifchannel_find (ifp, &child->sg);
struct pim_interface *pim_ifp = ifp->info;
char buff[100];
strcpy (buff, pim_str_sg_dump (&up->sg));
zlog_debug("%s %s: Prune(S,G)=%s from %s",
__FILE__, __PRETTY_FUNCTION__,
buff, pim_str_sg_dump (&sg));
buff, pim_str_sg_dump (&child->sg));
if (!pim_upstream_evaluate_join_desired (child))
pim_channel_del_oif (child->channel_oil, ifp, PIM_OIF_FLAG_PROTO_PIM);
pim_channel_del_oif (c_oil, ifp, PIM_OIF_FLAG_PROTO_PIM);
/*
* If the S,G has no if channel and the c_oil still
* has output here then the *,G was supplying the implied
* if channel. So remove it.
*/
if (!ch && c_oil->oil.mfcc_ttls[pim_ifp->mroute_vif_index])
pim_channel_del_oif (c_oil, ifp, PIM_OIF_FLAG_PROTO_PIM);
}
}
}
}
int pim_joinprune_recv(struct interface *ifp,

2
pimd/pim_register.c
View File

@ -188,7 +188,7 @@ pim_register_send (const uint8_t *buf, int buf_size, struct pim_rpf *rpg, int nu
memset(buffer, 0, 3000);
b1 = buffer + PIM_MSG_HEADER_LEN;
*b1 |= null_register << 31;
*b1 |= null_register << 6;
b1 = buffer + PIM_MSG_REGISTER_LEN;
memcpy(b1, (const unsigned char *)buf, buf_size);

2
pimd/pim_upstream.c
View File

@ -939,7 +939,7 @@ pim_upstream_register_stop_timer (struct thread *t)
ip_hdr.ip_v = 4;
ip_hdr.ip_src = up->sg.src;
ip_hdr.ip_dst = up->sg.grp;
ip_hdr.ip_len = 20;
ip_hdr.ip_len = htons (20);
// checksum is broken
pim_register_send ((uint8_t *)&ip_hdr, sizeof (struct ip), rpg, 1);
pim_channel_add_oif (up->channel_oil, pim_regiface, PIM_OIF_FLAG_PROTO_PIM);