diff options
| author |   Neale Ranns <neale.ranns@cisco.com> | 2020-11-17 09:47:07 +0000 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2020-12-08 16:38:19 +0000 |
| commit | 5c544c8c3e084f7ccad041d168b6fff736b46cba (patch) | |
| tree | 051585e200f2a2669535665aae8e53a2f37ad10e /src/vnet/adj/adj_dp.h | |
| parent | 59b792ffb1d77309b0ab17e441fd14237adb74db (diff) | |
fib: Adjacency flag for midchain to perfom flow hash (on inner packet)
Type: feature
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Change-Id: I964afd9266645de5c87d49c58ce6b48c2c18f97f
Diffstat (limited to 'src/vnet/adj/adj_dp.h')
| -rw-r--r-- | src/vnet/adj/adj_dp.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/src/vnet/adj/adj_dp.h b/src/vnet/adj/adj_dp.h index 27c0581fcfb..aff1a2b1f43 100644 --- a/src/vnet/adj/adj_dp.h +++ b/src/vnet/adj/adj_dp.h @@ -18,6 +18,9 @@ #include <vnet/adj/adj.h> #include <vnet/tunnel/tunnel_dp.h> +#include <vnet/ip/ip4_inlines.h> +#include <vnet/ip/ip6_inlines.h> +#include <vnet/mpls/mpls_lookup.h> static_always_inline void adj_midchain_ipip44_fixup (vlib_main_t * vm, @@ -54,13 +57,32 @@ adj_midchain_ipip44_fixup (vlib_main_t * vm, static_always_inline void adj_midchain_fixup (vlib_main_t *vm, const ip_adjacency_t *adj, - vlib_buffer_t * b) + vlib_buffer_t * b, + vnet_link_t lt) { - if (PREDICT_TRUE(adj->rewrite_header.flags & VNET_REWRITE_FIXUP_IP4_O_4)) + if (PREDICT_TRUE(adj->rewrite_header.flags & + VNET_REWRITE_FIXUP_IP4_O_4)) adj_midchain_ipip44_fixup (vm, adj, b); else if (adj->sub_type.midchain.fixup_func) adj->sub_type.midchain.fixup_func (vm, adj, b, adj->sub_type.midchain.fixup_data); + + if (PREDICT_FALSE(adj->rewrite_header.flags & + VNET_REWRITE_FIXUP_FLOW_HASH)) + { + if (VNET_LINK_IP4 == lt) + vnet_buffer (b)->ip.flow_hash = + ip4_compute_flow_hash (vlib_buffer_get_current (b) + adj->rewrite_header.data_bytes, + IP_FLOW_HASH_DEFAULT); + else if (VNET_LINK_IP6 == lt) + vnet_buffer (b)->ip.flow_hash = + ip6_compute_flow_hash (vlib_buffer_get_current (b) + adj->rewrite_header.data_bytes, + IP_FLOW_HASH_DEFAULT); + else if (VNET_LINK_MPLS == lt) + vnet_buffer (b)->ip.flow_hash = + mpls_compute_flow_hash (vlib_buffer_get_current (b) + adj->rewrite_header.data_bytes, + IP_FLOW_HASH_DEFAULT); + } } #endif |