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| author | Tom Herbert <tom@herbertland.com> | 2015-09-23 23:13:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-23 23:21:09 +0200 |
| commit | 644d0e6569582872e448b1d39b9338d5e4021faa (patch) | |
| tree | ae104f0b8cfc26deaa35f81501561f56e5211327 /net/ipv6/route.c | |
| parent | usbnet: remove invalid check (diff) | |
| download | linux-644d0e6569582872e448b1d39b9338d5e4021faa.tar.xz linux-644d0e6569582872e448b1d39b9338d5e4021faa.zip | |
ipv6 Use get_hash_from_flowi6 for rt6 hash
In rt6_info_hash_nhsfn replace the custom hashing over flowi6 that is
using xor with a call to common function get_hash_from_flowi6.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/route.c')
| -rw-r--r-- | net/ipv6/route.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 53617d715188..111deadc1c06 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -421,31 +421,7 @@ static bool rt6_check_expired(const struct rt6_info *rt) static int rt6_info_hash_nhsfn(unsigned int candidate_count, const struct flowi6 *fl6) { - unsigned int val = fl6->flowi6_proto; - - val ^= ipv6_addr_hash(&fl6->daddr); - val ^= ipv6_addr_hash(&fl6->saddr); - - /* Work only if this not encapsulated */ - switch (fl6->flowi6_proto) { - case IPPROTO_UDP: - case IPPROTO_TCP: - case IPPROTO_SCTP: - val ^= (__force u16)fl6->fl6_sport; - val ^= (__force u16)fl6->fl6_dport; - break; - - case IPPROTO_ICMPV6: - val ^= (__force u16)fl6->fl6_icmp_type; - val ^= (__force u16)fl6->fl6_icmp_code; - break; - } - /* RFC6438 recommands to use flowlabel */ - val ^= (__force u32)fl6->flowlabel; - - /* Perhaps, we need to tune, this function? */ - val = val ^ (val >> 7) ^ (val >> 12); - return val % candidate_count; + return get_hash_from_flowi6(fl6) % candidate_count; } static struct rt6_info *rt6_multipath_select(struct rt6_info *match, |