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| author |   wenxu <wenxu@ucloud.cn> | 2019-02-24 11:36:20 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-02-27 12:50:17 -0800 |
| commit | 24ba14406c5c8e33fcbe064f77b3ab01b84ec830 (patch) | |
| tree | 88eee234f6c4e037ad2467b8c370ed1541f5e366 /include/net/flow.h | |
| parent | Merge branch 'net-Remove-switchdev_ops' (diff) | |
| download | linux-dev-24ba14406c5c8e33fcbe064f77b3ab01b84ec830.tar.xz linux-dev-24ba14406c5c8e33fcbe064f77b3ab01b84ec830.zip | |
route: Add multipath_hash in flowi_common to make user-define hash
Current fib_multipath_hash_policy can make hash based on the L3 or
L4. But it only work on the outer IP. So a specific tunnel always
has the same hash value. But a specific tunnel may contain so many
inner connections.
This patch provide a generic multipath_hash in floi_common. It can
make a user-define hash which can mix with L3 or L4 hash.
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | include/net/flow.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/flow.h b/include/net/flow.h index 93f2c9a0f098..a50fb77a0b27 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -40,6 +40,7 @@ struct flowi_common { __u32 flowic_secid; kuid_t flowic_uid; struct flowi_tunnel flowic_tun_key; + __u32 flowic_multipath_hash; }; union flowi_uli { @@ -78,6 +79,7 @@ struct flowi4 { #define flowi4_secid __fl_common.flowic_secid #define flowi4_tun_key __fl_common.flowic_tun_key #define flowi4_uid __fl_common.flowic_uid +#define flowi4_multipath_hash __fl_common.flowic_multipath_hash /* (saddr,daddr) must be grouped, same order as in IP header */ __be32 saddr; |