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Commit 20bb6ce9 authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by David S. Miller
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net: pim: add a helper to check for IPv4 all pim routers address 



Signed-off-by: default avatarNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 556d299f

include/linux/pim.h

+6 −0
Original line number Diff line number Diff line
@@ -57,4 +57,10 @@ static inline u8 pim_hdr_type(const struct pimhdr *pimhdr) 
{

	return pimhdr->type & 0xf;

}



/* check if the address is 224.0.0.13, RFC7761 sec 4.3.1 */

static inline bool pim_ipv4_all_pim_routers(__be32 addr)

{

	return addr == htonl(0xE000000D);

}

#endif