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authorNeale Ranns <neale@graphiant.com>2021-01-22 16:12:38 +0000
committerOle Tr�an <otroan@employees.org>2021-01-28 09:47:56 +0000
commit3d5f08a825a978cd6853989a5df8c9b9811e7fb8 (patch)
treec12651cb21792551accced579d7949e3e1ae4a56 /src/vnet/mpls
parent86c7ff6a4c014b65af0d309173e89c2fe8377614 (diff)
ip: Router ID included in flow hash
Type: feature A device/router needs to have a unique ID which is included in the flow has so that flows are not polarised through the network, i.e. each deice in the network chooses the same nth link for the same flow. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: I963e03674adbb085902b4084fdc4886b88f5734c
Diffstat (limited to 'src/vnet/mpls')
-rw-r--r--src/vnet/mpls/mpls_lookup.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/vnet/mpls/mpls_lookup.h b/src/vnet/mpls/mpls_lookup.h
index 5b88be17d8f..81c67cef8ee 100644
--- a/src/vnet/mpls/mpls_lookup.h
+++ b/src/vnet/mpls/mpls_lookup.h
@@ -53,6 +53,7 @@ mpls_compute_flow_hash (const mpls_unicast_header_t * hdr,
ho_label = clib_net_to_host_u32(hdr->label_exp_s_ttl);
hash = vnet_mpls_uc_get_label(ho_label);
+ hash ^= ip_flow_hash_router_id;
next_label_is_entropy = 0;
while (MPLS_EOS != vnet_mpls_uc_get_s(ho_label))