#include <vppinfra/bihash_16_8.h>
#include <vnet/vnet.h>
#include <vnet/ethernet/p2p_ethernet.h>
+#include <vnet/l2/l2_input.h>
+
+p2p_ethernet_main_t p2p_main;
+
+static void
+create_p2pe_key (p2p_key_t * p2pe_key, u32 parent_if_index, u8 * client_mac)
+{
+ clib_memcpy (p2pe_key->mac, client_mac, 6);
+ p2pe_key->pad1 = 0;
+ p2pe_key->hw_if_index = parent_if_index;
+ p2pe_key->pad2 = 0;
+}
+
+u32
+p2p_ethernet_lookup (u32 parent_if_index, u8 * client_mac)
+{
+ p2p_ethernet_main_t *p2pm = &p2p_main;
+ p2p_key_t p2pe_key;
+ uword *p;
+
+ create_p2pe_key (&p2pe_key, parent_if_index, client_mac);
+ p = hash_get_mem (p2pm->p2p_ethernet_by_key, &p2pe_key);
+ if (p)
+ return p[0];
+
+ return ~0;
+}
int
p2p_ethernet_add_del (vlib_main_t * vm, u32 parent_if_index,
- u8 * client_mac, int is_add)
+ u8 * client_mac, u32 p2pe_subif_id, int is_add,
+ u32 * p2pe_if_index)
{
- return 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ p2p_ethernet_main_t *p2pm = &p2p_main;
+ vnet_interface_main_t *im = &vnm->interface_main;
+
+ u32 p2pe_sw_if_index = ~0;
+ p2pe_sw_if_index = p2p_ethernet_lookup (parent_if_index, client_mac);
+
+ if (p2pe_if_index)
+ *p2pe_if_index = ~0;
+
+ if (is_add)
+ {
+ if (p2pe_sw_if_index == ~0)
+ {
+ vnet_hw_interface_t *hi;
+
+ hi = vnet_get_hw_interface (vnm, parent_if_index);
+ if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
+ return VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
+
+ u64 sup_and_sub_key =
+ ((u64) (hi->sw_if_index) << 32) | (u64) p2pe_subif_id;
+ uword *p;
+ p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
+ if (p)
+ {
+ if (CLIB_DEBUG > 0)
+ clib_warning
+ ("p2p ethernet sub-interface on sw_if_index %d with sub id %d already exists\n",
+ hi->sw_if_index, p2pe_subif_id);
+ return VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
+ }
+ vnet_sw_interface_t template = {
+ .type = VNET_SW_INTERFACE_TYPE_P2P,
+ .flood_class = VNET_FLOOD_CLASS_NORMAL,
+ .sup_sw_if_index = hi->sw_if_index,
+ .sub.id = p2pe_subif_id
+ };
+
+ clib_memcpy (template.p2p.client_mac, client_mac,
+ sizeof (template.p2p.client_mac));
+
+ if (vnet_create_sw_interface (vnm, &template, &p2pe_sw_if_index))
+ return VNET_API_ERROR_SUBIF_CREATE_FAILED;
+
+ vnet_interface_main_t *im = &vnm->interface_main;
+ sup_and_sub_key =
+ ((u64) (hi->sw_if_index) << 32) | (u64) p2pe_subif_id;
+ u64 *kp = clib_mem_alloc (sizeof (*kp));
+
+ *kp = sup_and_sub_key;
+ hash_set (hi->sub_interface_sw_if_index_by_id, p2pe_subif_id,
+ p2pe_sw_if_index);
+ hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, p2pe_sw_if_index);
+
+ p2p_key_t *p_p2pe_key;
+ p_p2pe_key = clib_mem_alloc (sizeof (*p_p2pe_key));
+ create_p2pe_key (p_p2pe_key, parent_if_index, client_mac);
+ hash_set_mem (p2pm->p2p_ethernet_by_key, p_p2pe_key,
+ p2pe_sw_if_index);
+
+ if (p2pe_if_index)
+ *p2pe_if_index = p2pe_sw_if_index;
+
+ vec_validate (p2pm->p2p_ethernet_by_sw_if_index, parent_if_index);
+ if (p2pm->p2p_ethernet_by_sw_if_index[parent_if_index] == 0)
+ {
+ vnet_feature_enable_disable ("device-input",
+ "p2p-ethernet-input",
+ parent_if_index, 1, 0, 0);
+ /* Set promiscuous mode on the l2 interface */
+ ethernet_set_flags (vnm, parent_if_index,
+ ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
+
+ }
+ p2pm->p2p_ethernet_by_sw_if_index[parent_if_index]++;
+ /* set the interface mode */
+ set_int_l2_mode (vm, vnm, MODE_L3, p2pe_subif_id, 0, 0, 0, 0);
+ return 0;
+ }
+ return VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
+ }
+ else
+ {
+ if (p2pe_sw_if_index == ~0)
+ return VNET_API_ERROR_SUBIF_DOESNT_EXIST;
+ else
+ {
+ int rv = 0;
+ rv = vnet_delete_sub_interface (p2pe_sw_if_index);
+ if (!rv)
+ {
+ vec_validate (p2pm->p2p_ethernet_by_sw_if_index,
+ parent_if_index);
+ if (p2pm->p2p_ethernet_by_sw_if_index[parent_if_index] == 1)
+ {
+ vnet_feature_enable_disable ("device-input",
+ "p2p-ethernet-input",
+ parent_if_index, 0, 0, 0);
+ /* Disable promiscuous mode on the l2 interface */
+ ethernet_set_flags (vnm, parent_if_index, 0);
+ }
+ p2pm->p2p_ethernet_by_sw_if_index[parent_if_index]--;
+
+ /* Remove p2p_ethernet from hash map */
+ p2p_key_t *p_p2pe_key;
+ p_p2pe_key = clib_mem_alloc (sizeof (*p_p2pe_key));
+ create_p2pe_key (p_p2pe_key, parent_if_index, client_mac);
+ hash_unset_mem (p2pm->p2p_ethernet_by_key, p_p2pe_key);
+ }
+ return rv;
+ }
+ }
}
static clib_error_t *
int is_add = 1;
int remote_mac = 0;
u32 hw_if_index = ~0;
+ u32 sub_id = ~0;
u8 client_mac[6];
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
;
else if (unformat (input, "%U", unformat_ethernet_address, &client_mac))
remote_mac = 1;
+ else if (unformat (input, "sub-id %d", &sub_id))
+ ;
else if (unformat (input, "del"))
is_add = 0;
else
return clib_error_return (0, "Please specify parent interface ...");
if (!remote_mac)
return clib_error_return (0, "Please specify client MAC address ...");
+ if (sub_id == ~0 && is_add)
+ return clib_error_return (0, "Please specify sub-interface id ...");
u32 rv;
- rv = p2p_ethernet_add_del (vm, hw_if_index, client_mac, is_add);
+ rv = p2p_ethernet_add_del (vm, hw_if_index, client_mac, sub_id, is_add, 0);
switch (rv)
{
case VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED:
return 0;
}
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (p2p_ethernet_add_del_command, static) =
{
- .path = "p2p_ethernet ",
- .function = vnet_p2p_ethernet_add_del,
- .short_help = "p2p_ethernet <intfc> <mac-address> [del]",};
-/* *INDENT-ON* */
+.path = "p2p_ethernet ",.function = vnet_p2p_ethernet_add_del,.short_help =
+ "p2p_ethernet <intfc> <mac-address> [sub-id <id> | del]",};
static clib_error_t *
p2p_ethernet_init (vlib_main_t * vm)
{
+ p2p_ethernet_main_t *p2pm = &p2p_main;
+
+ p2pm->vlib_main = vm;
+ p2pm->vnet_main = vnet_get_main ();
+ p2pm->p2p_ethernet_by_key =
+ hash_create_mem (0, sizeof (p2p_key_t), sizeof (uword));
+
return 0;
}
Code Review / vpp.git / blobdiff