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authorNeale Ranns <nranns@cisco.com>2019-10-28 07:56:15 -0700
committerOle Trøan <otroan@employees.org>2019-10-29 07:55:34 +0000
commit669f4e3416282ef022e6c59d09656b0563e5aae6 (patch)
tree70eb6c3cf3321b1cfdde60c2136929e7bcba1f2b /src/vnet/ethernet
parentb7c23058e5253c5a4df1d0b3c2b882fa529704eb (diff)
ethernet: VNET API to create sub-interfaces
Type: refactor Change-Id: I37899a9c1c2b0790bee90b84aec6b51cdd5236b4 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ethernet')
-rw-r--r--src/vnet/ethernet/ethernet.h3
-rw-r--r--src/vnet/ethernet/interface.c42
2 files changed, 45 insertions, 0 deletions
diff --git a/src/vnet/ethernet/ethernet.h b/src/vnet/ethernet/ethernet.h
index 821a576ddf5..cde6fb90038 100644
--- a/src/vnet/ethernet/ethernet.h
+++ b/src/vnet/ethernet/ethernet.h
@@ -445,6 +445,9 @@ clib_error_t *next_by_ethertype_register (next_by_ethertype_t * l3_next,
int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address,
u8 is_specified, u32 user_instance);
int vnet_delete_loopback_interface (u32 sw_if_index);
+int vnet_create_sub_interface (u32 sw_if_index, u32 id,
+ u32 flags, u16 inner_vlan_id,
+ u16 outer_vlan_id, u32 * sub_sw_if_index);
int vnet_delete_sub_interface (u32 sw_if_index);
// Perform ethernet subinterface classification table lookups given
diff --git a/src/vnet/ethernet/interface.c b/src/vnet/ethernet/interface.c
index a0fa61c25f4..7b2b162f1a0 100644
--- a/src/vnet/ethernet/interface.c
+++ b/src/vnet/ethernet/interface.c
@@ -960,6 +960,48 @@ vnet_delete_loopback_interface (u32 sw_if_index)
}
int
+vnet_create_sub_interface (u32 sw_if_index, u32 id,
+ u32 flags, u16 inner_vlan_id, u16 outer_vlan_id,
+ u32 * sub_sw_if_index)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vnet_hw_interface_t *hi;
+ u64 sup_and_sub_key = ((u64) (sw_if_index) << 32) | (u64) id;
+ vnet_sw_interface_t template;
+ uword *p;
+ u64 *kp;
+
+ hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
+
+ p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
+ if (p)
+ {
+ return (VNET_API_ERROR_VLAN_ALREADY_EXISTS);
+ }
+
+ clib_memset (&template, 0, sizeof (template));
+ template.type = VNET_SW_INTERFACE_TYPE_SUB;
+ template.flood_class = VNET_FLOOD_CLASS_NORMAL;
+ template.sup_sw_if_index = sw_if_index;
+ template.sub.id = id;
+ template.sub.eth.raw_flags = flags;
+ template.sub.eth.outer_vlan_id = outer_vlan_id;
+ template.sub.eth.inner_vlan_id = inner_vlan_id;
+
+ if (vnet_create_sw_interface (vnm, &template, sub_sw_if_index))
+ return (VNET_API_ERROR_UNSPECIFIED);
+
+ kp = clib_mem_alloc (sizeof (*kp));
+ *kp = sup_and_sub_key;
+
+ hash_set (hi->sub_interface_sw_if_index_by_id, id, *sub_sw_if_index);
+ hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, *sub_sw_if_index);
+
+ return (0);
+}
+
+int
vnet_delete_sub_interface (u32 sw_if_index)
{
vnet_main_t *vnm = vnet_get_main ();