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To comply with the spec, do not copy the TOS from the outer IP

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header to the inner IP header of the PIM Register if this is a PIM
Null-Register message.

Submitted by:	Pavlin Radoslavov <pavlin@icir.org>
This commit is contained in:
Jeffrey Hsu 2004-03-08 07:47:27 +00:00
parent 4c9792f9d3
commit a062038267
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=126741
1 changed files with 6 additions and 6 deletions
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12
sys/netinet/ip_mroute.c
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@ -3288,7 +3288,11 @@ pim_input(struct mbuf *m, int off)
m_freem(m);
return;
}
/* If a NULL_REGISTER, pass it to the daemon */
if ((ntohl(*reghdr) & PIM_NULL_REGISTER))
goto pim_input_to_daemon;
/*
* Copy the TOS from the outer IP header to the inner IP header.
*/
@ -3308,11 +3312,7 @@ pim_input(struct mbuf *m, int off)
m->m_data -= (iphlen + PIM_MINLEN);
m->m_len += (iphlen + PIM_MINLEN);
}
/* If a NULL_REGISTER, pass it to the daemon */
if ((ntohl(*reghdr) & PIM_NULL_REGISTER))
goto pim_input_to_daemon;
/*
* Decapsulate the inner IP packet and loopback to forward it
* as a normal multicast packet. Also, make a copy of the