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| author |   Tonghao Zhang <xiangxia.m.yue@gmail.com> | 2019-11-01 22:23:50 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-11-03 17:18:03 -0800 |
| commit | 515b65a4b99197ae062a795ab4de919e6d04be04 (patch) | |
| tree | fc2ecc9ce1e57e5ce59c9fe596140ec425f197f5 /net/openvswitch | |
| parent | net: openvswitch: optimize flow-mask looking up (diff) | |
| download | linux-dev-515b65a4b99197ae062a795ab4de919e6d04be04.tar.xz linux-dev-515b65a4b99197ae062a795ab4de919e6d04be04.zip | |
net: openvswitch: simplify the flow_hash
Simplify the code and remove the unnecessary BUILD_BUG_ON.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Tested-by: Greg Rose <gvrose8192@gmail.com>
Acked-by: William Tu <u9012063@gmail.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch')
| -rw-r--r-- | net/openvswitch/flow_table.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c index a10d421773f8..96757e2ed256 100644 --- a/net/openvswitch/flow_table.c +++ b/net/openvswitch/flow_table.c @@ -432,13 +432,10 @@ err_free_ti: static u32 flow_hash(const struct sw_flow_key *key, const struct sw_flow_key_range *range) { - int key_start = range->start; - int key_end = range->end; - const u32 *hash_key = (const u32 *)((const u8 *)key + key_start); - int hash_u32s = (key_end - key_start) >> 2; + const u32 *hash_key = (const u32 *)((const u8 *)key + range->start); /* Make sure number of hash bytes are multiple of u32. */ - BUILD_BUG_ON(sizeof(long) % sizeof(u32)); + int hash_u32s = range_n_bytes(range) >> 2; return jhash2(hash_key, hash_u32s, 0); } |