From 33c45f56ab391ab13a42eb4ec2ac2b97b9fc546a Mon Sep 17 00:00:00 2001 From: Mohammed Hawari Date: Mon, 30 Nov 2020 13:50:24 +0100 Subject: fib: supporting inner flow hash on tunnels Change-Id: I53011e089bfecb08483792029b534b09b9e33a10 Type: improvement Signed-off-by: Mohammed Hawari --- src/vnet/gre/gre.api | 2 +- src/vnet/gre/gre.c | 14 ++++++++++++-- 2 files changed, 13 insertions(+), 3 deletions(-) (limited to 'src/vnet/gre') diff --git a/src/vnet/gre/gre.api b/src/vnet/gre/gre.api index f4e025394b3..9c69ba4007d 100644 --- a/src/vnet/gre/gre.api +++ b/src/vnet/gre/gre.api @@ -14,7 +14,7 @@ * limitations under the License. */ -option version = "2.1.0"; +option version = "2.1.1"; import "vnet/interface_types.api"; import "vnet/tunnel/tunnel_types.api"; diff --git a/src/vnet/gre/gre.c b/src/vnet/gre/gre.c index 5b102ae3992..d842d688603 100644 --- a/src/vnet/gre/gre.c +++ b/src/vnet/gre/gre.c @@ -410,7 +410,11 @@ gre_update_adj (vnet_main_t * vnm, u32 sw_if_index, adj_index_t ai) ti = gm->tunnel_index_by_sw_if_index[sw_if_index]; t = pool_elt_at_index (gm->tunnels, ti); - af = ADJ_FLAG_MIDCHAIN_IP_STACK; + + if (t->flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_INNER_HASH) + af = ADJ_FLAG_MIDCHAIN_FIXUP_FLOW_HASH; + else + af = ADJ_FLAG_MIDCHAIN_IP_STACK; if (VNET_LINK_ETHERNET == adj_get_link_type (ai)) af |= ADJ_FLAG_MIDCHAIN_NO_COUNT; @@ -429,12 +433,18 @@ adj_walk_rc_t mgre_mk_complete_walk (adj_index_t ai, void *data) { mgre_walk_ctx_t *ctx = data; + adj_flags_t af; + + if (ctx->t->flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_INNER_HASH) + af = ADJ_FLAG_MIDCHAIN_FIXUP_FLOW_HASH; + else + af = ADJ_FLAG_MIDCHAIN_IP_STACK; adj_nbr_midchain_update_rewrite (ai, gre_get_fixup (ctx->t->tunnel_dst.fp_proto, adj_get_link_type (ai)), uword_to_pointer (ctx->t->flags, void *), - ADJ_FLAG_MIDCHAIN_IP_STACK, + af, gre_build_rewrite (vnet_get_main (), ctx->t->sw_if_index, adj_get_link_type (ai), -- cgit 1.2.3-korg