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authorPavel Kotucek <pkotucek@cisco.com>2017-06-20 14:00:26 +0200
committerJohn Lo <loj@cisco.com>2017-08-01 14:44:13 +0000
commit15ac81c16fba83033090299413a3a2dbb848a0f9 (patch)
treeca9617e0faa21847be31e47c0c65ffc0cacf47eb /src/vnet/ethernet/interface.c
parent5b311202b82a827c712d2cb7604c56049266adc9 (diff)
P2P Ethernet
Change-Id: Idb97e573961b3bc2acdeef77582314590795f8c3 Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
Diffstat (limited to 'src/vnet/ethernet/interface.c')
-rw-r--r--src/vnet/ethernet/interface.c54
1 files changed, 41 insertions, 13 deletions
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 =