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| author |   Nikolay Aleksandrov <nikolay@cumulusnetworks.com> | 2016-10-31 13:21:03 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-10-31 16:18:30 -0400 |
| commit | 20bb6ce9879e19eee7539329eaa2408d12b00306 (patch) | |
| tree | f6a5cb2fed87b2e20eaad1a5c2a5815eab6a8caf /include/linux/pim.h | |
| parent | net: pim: add common pimhdr struct and helpers (diff) | |
| download | linux-dev-20bb6ce9879e19eee7539329eaa2408d12b00306.tar.xz linux-dev-20bb6ce9879e19eee7539329eaa2408d12b00306.zip | |
net: pim: add a helper to check for IPv4 all pim routers address
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/pim.h')
| -rw-r--r-- | include/linux/pim.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/pim.h b/include/linux/pim.h index 354235a2691b..1b6c0dbba94e 100644 --- a/include/linux/pim.h +++ b/include/linux/pim.h @@ -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 |