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| author | Tonghao Zhang <[email protected]> | 2019-11-01 14:23:50 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2019-11-04 01:18:03 +0000 |
| commit | 515b65a4b99197ae062a795ab4de919e6d04be04 (patch) | |
| tree | fc2ecc9ce1e57e5ce59c9fe596140ec425f197f5 /net/openvswitch/flow_table.c | |
| parent | net: openvswitch: optimize flow-mask looking up (diff) | |
| download | kernel-515b65a4b99197ae062a795ab4de919e6d04be04.tar.gz kernel-515b65a4b99197ae062a795ab4de919e6d04be04.zip | |
net: openvswitch: simplify the flow_hash
Simplify the code and remove the unnecessary BUILD_BUG_ON.
Signed-off-by: Tonghao Zhang <[email protected]>
Tested-by: Greg Rose <[email protected]>
Acked-by: William Tu <[email protected]>
Acked-by: Pravin B Shelar <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/openvswitch/flow_table.c')
| -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); } |