From 15ac81c16fba83033090299413a3a2dbb848a0f9 Mon Sep 17 00:00:00 2001 From: Pavel Kotucek Date: Tue, 20 Jun 2017 14:00:26 +0200 Subject: P2P Ethernet Change-Id: Idb97e573961b3bc2acdeef77582314590795f8c3 Signed-off-by: Pavel Kotucek --- src/vnet/ethernet/interface.c | 54 ++++++++++++++++++++++++++++++++----------- 1 file changed, 41 insertions(+), 13 deletions(-) (limited to 'src/vnet/ethernet/interface.c') diff --git a/src/vnet/ethernet/interface.c b/src/vnet/ethernet/interface.c index 9ac30bc6652..3e78a49d62b 100644 --- a/src/vnet/ethernet/interface.c +++ b/src/vnet/ethernet/interface.c @@ -89,7 +89,10 @@ ethernet_build_rewrite (vnet_main_t * vnm, ethernet_type_t type; uword n_bytes = sizeof (h[0]); u8 *rewrite = NULL; + u8 is_p2p = 0; + if (sub_sw->type == VNET_SW_INTERFACE_TYPE_P2P) + is_p2p = 1; if (sub_sw != sup_sw) { if (sub_sw->sub.eth.flags.one_tag) @@ -100,13 +103,24 @@ ethernet_build_rewrite (vnet_main_t * vnm, { n_bytes += 2 * (sizeof (ethernet_vlan_header_t)); } - // Check for encaps that are not supported for L3 interfaces - if (!(sub_sw->sub.eth.flags.exact_match) || - (sub_sw->sub.eth.flags.default_sub) || - (sub_sw->sub.eth.flags.outer_vlan_id_any) || - (sub_sw->sub.eth.flags.inner_vlan_id_any)) + else if (PREDICT_FALSE (is_p2p)) { - return 0; + n_bytes = sizeof (ethernet_header_t); + } + if (PREDICT_FALSE (!is_p2p)) + { + // Check for encaps that are not supported for L3 interfaces + if (!(sub_sw->sub.eth.flags.exact_match) || + (sub_sw->sub.eth.flags.default_sub) || + (sub_sw->sub.eth.flags.outer_vlan_id_any) || + (sub_sw->sub.eth.flags.inner_vlan_id_any)) + { + return 0; + } + } + else + { + n_bytes = sizeof (ethernet_header_t); } } @@ -126,12 +140,20 @@ ethernet_build_rewrite (vnet_main_t * vnm, h = (ethernet_header_t *) rewrite; ei = pool_elt_at_index (em->interfaces, hw->hw_instance); clib_memcpy (h->src_address, ei->address, sizeof (h->src_address)); - if (dst_address) - clib_memcpy (h->dst_address, dst_address, sizeof (h->dst_address)); + if (is_p2p) + { + clib_memcpy (h->dst_address, sub_sw->p2p.client_mac, + sizeof (h->dst_address)); + } else - memset (h->dst_address, ~0, sizeof (h->dst_address)); /* broadcast */ + { + if (dst_address) + clib_memcpy (h->dst_address, dst_address, sizeof (h->dst_address)); + else + memset (h->dst_address, ~0, sizeof (h->dst_address)); /* broadcast */ + } - if (sub_sw->sub.eth.flags.one_tag) + if (PREDICT_FALSE (!is_p2p) && sub_sw->sub.eth.flags.one_tag) { ethernet_vlan_header_t *outer = (void *) (h + 1); @@ -143,7 +165,7 @@ ethernet_build_rewrite (vnet_main_t * vnm, outer->type = clib_host_to_net_u16 (type); } - else if (sub_sw->sub.eth.flags.two_tags) + else if (PREDICT_FALSE (!is_p2p) && sub_sw->sub.eth.flags.two_tags) { ethernet_vlan_header_t *outer = (void *) (h + 1); ethernet_vlan_header_t *inner = (void *) (outer + 1); @@ -174,7 +196,12 @@ ethernet_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai) adj = adj_get (ai); - if (FIB_PROTOCOL_IP4 == adj->ia_nh_proto) + vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index); + if (si->type == VNET_SW_INTERFACE_TYPE_P2P) + { + default_update_adjacency (vnm, sw_if_index, ai); + } + else if (FIB_PROTOCOL_IP4 == adj->ia_nh_proto) { arp_update_adjacency (vnm, sw_if_index, ai); } @@ -719,7 +746,8 @@ vnet_delete_sub_interface (u32 sw_if_index) vnet_interface_main_t *im = &vnm->interface_main; vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index); - if (si->type == VNET_SW_INTERFACE_TYPE_SUB) + if (si->type == VNET_SW_INTERFACE_TYPE_SUB || + si->type == VNET_SW_INTERFACE_TYPE_P2P) { vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index); u64 sup_and_sub_key = -- cgit 1.2.3-korg