To comply with the spec, do not copy the TOS from the outer IP
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>
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a062038267
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=126741
@ -3288,7 +3288,11 @@ pim_input(struct mbuf *m, int off)
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m_freem(m);
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return;
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}
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/* If a NULL_REGISTER, pass it to the daemon */
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if ((ntohl(*reghdr) & PIM_NULL_REGISTER))
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goto pim_input_to_daemon;
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/*
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* Copy the TOS from the outer IP header to the inner IP header.
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*/
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@ -3308,11 +3312,7 @@ pim_input(struct mbuf *m, int off)
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m->m_data -= (iphlen + PIM_MINLEN);
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m->m_len += (iphlen + PIM_MINLEN);
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}
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/* If a NULL_REGISTER, pass it to the daemon */
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if ((ntohl(*reghdr) & PIM_NULL_REGISTER))
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goto pim_input_to_daemon;
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/*
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* Decapsulate the inner IP packet and loopback to forward it
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* as a normal multicast packet. Also, make a copy of the
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