#include <vnet/ip/ip.h>
#include <vnet/pg/pg.h>
#include <vnet/ethernet/ethernet.h>
+//#include <vnet/ethernet/arp.h>
#include <vnet/l2/l2_input.h>
#include <vnet/l2/l2_bd.h>
#include <vnet/adj/adj.h>
+#include <vnet/adj/adj_mcast.h>
+#include <vnet/ip-neighbor/ip_neighbor.h>
/**
* @file
* This file contains code to manage loopback interfaces.
*/
-const u8 *
+static const u8 *
ethernet_ip4_mcast_dst_addr (void)
{
const static u8 ethernet_mcast_dst_mac[] = {
return (ethernet_mcast_dst_mac);
}
-const u8 *
+static const u8 *
ethernet_ip6_mcast_dst_addr (void)
{
const static u8 ethernet_mcast_dst_mac[] = {
vec_validate (rewrite, n_bytes - 1);
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));
+ clib_memcpy (h->src_address, &ei->address, sizeof (h->src_address));
if (is_p2p)
{
clib_memcpy (h->dst_address, sub_sw->p2p.client_mac,
void
ethernet_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
{
- ip_adjacency_t *adj;
-
- adj = adj_get (ai);
-
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
+
if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
(si->type == VNET_SW_INTERFACE_TYPE_PIPE))
{
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);
- }
- else if (FIB_PROTOCOL_IP6 == adj->ia_nh_proto)
- {
- ip6_ethernet_update_adjacency (vnm, sw_if_index, ai);
- }
else
{
- ASSERT (0);
+ ip_adjacency_t *adj;
+
+ adj = adj_get (ai);
+
+ switch (adj->lookup_next_index)
+ {
+ case IP_LOOKUP_NEXT_GLEAN:
+ adj_glean_update_rewrite (ai);
+ break;
+ case IP_LOOKUP_NEXT_ARP:
+ case IP_LOOKUP_NEXT_REWRITE:
+ ip_neighbor_update (vnm, ai);
+ break;
+ case IP_LOOKUP_NEXT_BCAST:
+ adj_nbr_update_rewrite (ai,
+ ADJ_NBR_REWRITE_FLAG_COMPLETE,
+ ethernet_build_rewrite
+ (vnm,
+ adj->rewrite_header.sw_if_index,
+ adj->ia_link,
+ VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST));
+ break;
+ case IP_LOOKUP_NEXT_MCAST:
+ {
+ /*
+ * Construct a partial rewrite from the known ethernet mcast dest MAC
+ */
+ u8 *rewrite;
+ u8 offset;
+
+ rewrite = ethernet_build_rewrite
+ (vnm,
+ sw_if_index,
+ adj->ia_link,
+ (adj->ia_nh_proto == FIB_PROTOCOL_IP6 ?
+ ethernet_ip6_mcast_dst_addr () :
+ ethernet_ip4_mcast_dst_addr ()));
+
+ /*
+ * Complete the remaining fields of the adj's rewrite to direct the
+ * complete of the rewrite at switch time by copying in the IP
+ * dst address's bytes.
+ * Ofset is 2 bytes into the destintation address.
+ */
+ offset = vec_len (rewrite) - 2;
+ adj_mcast_update_rewrite (ai, rewrite, offset);
+
+ break;
+ }
+ case IP_LOOKUP_NEXT_DROP:
+ case IP_LOOKUP_NEXT_PUNT:
+ case IP_LOOKUP_NEXT_LOCAL:
+ case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
+ case IP_LOOKUP_NEXT_MIDCHAIN:
+ case IP_LOOKUP_NEXT_ICMP_ERROR:
+ case IP_LOOKUP_N_NEXT:
+ ASSERT (0);
+ break;
+ }
}
}
+static void
+ethernet_interface_address_copy (ethernet_interface_address_t * dst,
+ const u8 * mac)
+{
+ clib_memcpy (&dst->mac, (u8 *) mac, sizeof (dst->mac));
+ /*
+ * ethernet dataplane loads mac as u64, makes sure the last 2 bytes are 0
+ * for comparison purpose
+ */
+ dst->zero = 0;
+}
+
+static void
+ethernet_set_mac (vnet_hw_interface_t * hi, ethernet_interface_t * ei,
+ const u8 * mac_address)
+{
+ vec_validate (hi->hw_address, sizeof (mac_address_t) - 1);
+ clib_memcpy (hi->hw_address, mac_address, sizeof (mac_address_t));
+ ethernet_interface_address_copy (&ei->address, mac_address);
+}
+
static clib_error_t *
ethernet_mac_change (vnet_hw_interface_t * hi,
const u8 * old_address, const u8 * mac_address)
em = ðernet_main;
ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
- vec_validate (hi->hw_address,
- STRUCT_SIZE_OF (ethernet_header_t, src_address) - 1);
- clib_memcpy (hi->hw_address, mac_address, vec_len (hi->hw_address));
+ ethernet_set_mac (hi, ei, mac_address);
- clib_memcpy (ei->address, (u8 *) mac_address, sizeof (ei->address));
- ethernet_arp_change_mac (hi->sw_if_index);
- ethernet_ndp_change_mac (hi->sw_if_index);
+ {
+ ethernet_address_change_ctx_t *cb;
+ u32 id, sw_if_index;
+ vec_foreach (cb, em->address_change_callbacks)
+ {
+ cb->function (em, hi->sw_if_index, cb->function_opaque);
+ /* clang-format off */
+ hash_foreach (id, sw_if_index, hi->sub_interface_sw_if_index_by_id,
+ ({
+ cb->function (em, sw_if_index, cb->function_opaque);
+ }));
+ /* clang-format on */
+ }
+ }
return (NULL);
}
-/* *INDENT-OFF* */
+static clib_error_t *
+ethernet_set_max_frame_size (vnet_main_t *vnm, vnet_hw_interface_t *hi,
+ u32 frame_size)
+{
+ ethernet_interface_t *ei =
+ pool_elt_at_index (ethernet_main.interfaces, hi->hw_instance);
+
+ if (ei->cb.set_max_frame_size)
+ return ei->cb.set_max_frame_size (vnm, hi, frame_size);
+
+ return vnet_error (
+ VNET_ERR_UNSUPPORTED,
+ "underlying driver doesn't support changing Max Frame Size");
+}
+
VNET_HW_INTERFACE_CLASS (ethernet_hw_interface_class) = {
.name = "Ethernet",
+ .tx_hash_fn_type = VNET_HASH_FN_TYPE_ETHERNET,
.format_address = format_ethernet_address,
.format_header = format_ethernet_header_with_length,
.unformat_hw_address = unformat_ethernet_address,
.build_rewrite = ethernet_build_rewrite,
.update_adjacency = ethernet_update_adjacency,
.mac_addr_change_function = ethernet_mac_change,
+ .set_max_frame_size = ethernet_set_max_frame_size,
};
-/* *INDENT-ON* */
uword
unformat_ethernet_interface (unformat_input_t * input, va_list * args)
return 0;
}
-clib_error_t *
-ethernet_register_interface (vnet_main_t * vnm,
- u32 dev_class_index,
- u32 dev_instance,
- u8 * address,
- u32 * hw_if_index_return,
- ethernet_flag_change_function_t flag_change)
+u32
+vnet_eth_register_interface (vnet_main_t *vnm,
+ vnet_eth_interface_registration_t *r)
{
ethernet_main_t *em = ðernet_main;
ethernet_interface_t *ei;
vnet_hw_interface_t *hi;
- clib_error_t *error = 0;
u32 hw_if_index;
pool_get (em->interfaces, ei);
- ei->flag_change = flag_change;
+ clib_memcpy (&ei->cb, &r->cb, sizeof (vnet_eth_if_callbacks_t));
- hw_if_index = vnet_register_interface
- (vnm,
- dev_class_index, dev_instance,
- ethernet_hw_interface_class.index, ei - em->interfaces);
- *hw_if_index_return = hw_if_index;
+ hw_if_index = vnet_register_interface (
+ vnm, r->dev_class_index, r->dev_instance,
+ ethernet_hw_interface_class.index, ei - em->interfaces);
hi = vnet_get_hw_interface (vnm, hw_if_index);
ethernet_setup_node (vnm->vlib_main, hi->output_node_index);
- hi->min_packet_bytes = hi->min_supported_packet_bytes =
- ETHERNET_MIN_PACKET_BYTES;
- hi->max_packet_bytes = hi->max_supported_packet_bytes =
- ETHERNET_MAX_PACKET_BYTES;
-
- /* Standard default ethernet MTU. */
- vnet_sw_interface_set_mtu (vnm, hi->sw_if_index, 9000);
-
- clib_memcpy (ei->address, address, sizeof (ei->address));
- vec_add (hi->hw_address, address, sizeof (ei->address));
-
- if (error)
- {
- pool_put (em->interfaces, ei);
- return error;
- }
- return error;
+ hi->min_frame_size = ETHERNET_MIN_PACKET_BYTES;
+ hi->frame_overhead =
+ r->frame_overhead ?
+ r->frame_overhead :
+ sizeof (ethernet_header_t) + 2 * sizeof (ethernet_vlan_header_t);
+ hi->max_frame_size = r->max_frame_size ?
+ r->max_frame_size :
+ ethernet_main.default_mtu + hi->frame_overhead;
+ ;
+
+ /* Default ethernet MTU, 9000 unless set by ethernet_config see below */
+ vnet_sw_interface_set_mtu (vnm, hi->sw_if_index, em->default_mtu);
+
+ ethernet_set_mac (hi, ei, r->address);
+ return hw_if_index;
}
void
ethernet_main_t *em = ðernet_main;
vnet_hw_interface_t *hi;
ethernet_interface_t *ei;
+ u32 opn_flags = flags & ETHERNET_INTERFACE_FLAGS_SET_OPN_MASK;
hi = vnet_get_hw_interface (vnm, hw_if_index);
ASSERT (hi->hw_class_index == ethernet_hw_interface_class.index);
ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
- ei->flags = flags;
- if (ei->flag_change)
- return ei->flag_change (vnm, hi, flags);
- return (u32) ~ 0;
+
+ /* preserve status bits and update last set operation bits */
+ ei->flags = (ei->flags & ETHERNET_INTERFACE_FLAGS_STATUS_MASK) | opn_flags;
+
+ if (ei->cb.flag_change)
+ {
+ switch (opn_flags)
+ {
+ case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
+ if (hi->caps & VNET_HW_IF_CAP_MAC_FILTER)
+ {
+ if (ei->cb.flag_change (vnm, hi, opn_flags) != ~0)
+ {
+ ei->flags |= ETHERNET_INTERFACE_FLAG_STATUS_L3;
+ return 0;
+ }
+ ei->flags &= ~ETHERNET_INTERFACE_FLAG_STATUS_L3;
+ return ~0;
+ }
+ /* fall through */
+ case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
+ ei->flags &= ~ETHERNET_INTERFACE_FLAG_STATUS_L3;
+ return ei->cb.flag_change (vnm, hi, opn_flags);
+ default:
+ return ~0;
+ }
+ }
+ return ~0;
}
/**
/* Ordinarily, this is the only config lookup. */
config = l2input_intf_config (vnet_buffer (b[0])->sw_if_index[VLIB_TX]);
- next_index =
- config->bridge ? VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT;
- new_tx_sw_if_index = config->bvi ? L2INPUT_BVI : ~0;
+ next_index = (l2_input_is_bridge (config) ?
+ VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
+ new_tx_sw_if_index = l2_input_is_bvi (config) ? L2INPUT_BVI : ~0;
new_rx_sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
while (n_left_from >= 4)
{
u32 sw_if_index0, sw_if_index1, sw_if_index2, sw_if_index3;
- u32 not_all_match_config;
+ u32x4 xor_ifx4;
/* Prefetch next iteration. */
if (PREDICT_TRUE (n_left_from >= 8))
sw_if_index2 = vnet_buffer (b[2])->sw_if_index[VLIB_TX];
sw_if_index3 = vnet_buffer (b[3])->sw_if_index[VLIB_TX];
- not_all_match_config = (sw_if_index0 ^ sw_if_index1)
- ^ (sw_if_index2 ^ sw_if_index3);
- not_all_match_config += sw_if_index0 ^ new_rx_sw_if_index;
+ xor_ifx4 = u32x4_gather (&sw_if_index0, &sw_if_index1, &sw_if_index2,
+ &sw_if_index3);
/* Speed path / expected case: all pkts on the same intfc */
- if (PREDICT_TRUE (not_all_match_config == 0))
+ if (PREDICT_TRUE (u32x4_is_all_equal (xor_ifx4, new_rx_sw_if_index)))
{
next[0] = next_index;
next[1] = next_index;
{
config = l2input_intf_config
(vnet_buffer (b[0])->sw_if_index[VLIB_TX]);
- next_index =
- config->bridge ? VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT;
- new_tx_sw_if_index = config->bvi ? L2INPUT_BVI : ~0;
+ next_index = (l2_input_is_bridge (config) ?
+ VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
+ new_tx_sw_if_index = l2_input_is_bvi (config) ? L2INPUT_BVI : ~0;
new_rx_sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
}
next[0] = next_index;
{
config = l2input_intf_config
(vnet_buffer (b[1])->sw_if_index[VLIB_TX]);
- next_index =
- config->bridge ? VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT;
+ next_index = (l2_input_is_bridge (config) ?
+ VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
new_rx_sw_if_index = vnet_buffer (b[1])->sw_if_index[VLIB_TX];
- new_tx_sw_if_index = config->bvi ? L2INPUT_BVI : ~0;
+ new_tx_sw_if_index = l2_input_is_bvi (config) ? L2INPUT_BVI : ~0;
}
next[1] = next_index;
vnet_buffer (b[1])->sw_if_index[VLIB_RX] = new_rx_sw_if_index;
{
config = l2input_intf_config
(vnet_buffer (b[2])->sw_if_index[VLIB_TX]);
- next_index =
- config->bridge ? VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT;
+ next_index = (l2_input_is_bridge (config) ?
+ VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
new_rx_sw_if_index = vnet_buffer (b[2])->sw_if_index[VLIB_TX];
- new_tx_sw_if_index = config->bvi ? L2INPUT_BVI : ~0;
+ new_tx_sw_if_index = l2_input_is_bvi (config) ? L2INPUT_BVI : ~0;
}
next[2] = next_index;
vnet_buffer (b[2])->sw_if_index[VLIB_RX] = new_rx_sw_if_index;
{
config = l2input_intf_config
(vnet_buffer (b[3])->sw_if_index[VLIB_TX]);
- next_index =
- config->bridge ? VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT;
+ next_index = (l2_input_is_bridge (config) ?
+ VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
new_rx_sw_if_index = vnet_buffer (b[3])->sw_if_index[VLIB_TX];
- new_tx_sw_if_index = config->bvi ? L2INPUT_BVI : ~0;
+ new_tx_sw_if_index = l2_input_is_bvi (config) ? L2INPUT_BVI : ~0;
}
next[3] = next_index;
vnet_buffer (b[3])->sw_if_index[VLIB_RX] = new_rx_sw_if_index;
{
config = l2input_intf_config
(vnet_buffer (b[0])->sw_if_index[VLIB_TX]);
- next_index =
- config->bridge ? VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT;
- new_tx_sw_if_index = config->bvi ? L2INPUT_BVI : ~0;
+ next_index = (l2_input_is_bridge (config) ?
+ VNET_SIMULATED_ETHERNET_TX_NEXT_L2_INPUT :
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
+ new_tx_sw_if_index = l2_input_is_bvi (config) ? L2INPUT_BVI : ~0;
new_rx_sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
}
next[0] = next_index;
}
-/* *INDENT-OFF* */
VNET_DEVICE_CLASS (ethernet_simulated_device_class) = {
.name = "Loopback",
.format_device_name = format_simulated_ethernet_name,
.admin_up_down_function = simulated_ethernet_admin_up_down,
.mac_addr_change_function = simulated_ethernet_mac_change,
};
-/* *INDENT-ON* */
-
-VLIB_DEVICE_TX_FUNCTION_MULTIARCH (ethernet_simulated_device_class,
- simulated_ethernet_interface_tx);
/*
* Maintain a bitmap of allocated loopback instance numbers.
{
vnet_main_t *vnm = vnet_get_main ();
vlib_main_t *vm = vlib_get_main ();
- clib_error_t *error;
u32 instance;
u8 address[6];
u32 hw_if_index;
vnet_hw_interface_t *hw_if;
u32 slot;
- int rv = 0;
ASSERT (sw_if_indexp);
address[5] = instance;
}
- error = ethernet_register_interface
- (vnm,
- ethernet_simulated_device_class.index, instance, address, &hw_if_index,
- /* flag change */ 0);
-
- if (error)
- {
- rv = VNET_API_ERROR_INVALID_REGISTRATION;
- clib_error_report (error);
- return rv;
- }
-
+ vnet_eth_interface_registration_t eir = {};
+ eir.dev_class_index = ethernet_simulated_device_class.index;
+ eir.dev_instance = instance;
+ eir.address = address;
+ hw_if_index = vnet_eth_register_interface (vnm, &eir);
hw_if = vnet_get_hw_interface (vnm, hw_if_index);
slot = vlib_node_add_named_next_with_slot
(vm, hw_if->tx_node_index,
* Example of how to create a loopback interface:
* @cliexcmd{loopback create-interface}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (create_simulated_ethernet_interface_command, static) = {
.path = "loopback create-interface",
.short_help = "loopback create-interface [mac <mac-addr>] [instance <instance>]",
.function = create_simulated_ethernet_interfaces,
};
-/* *INDENT-ON* */
/*?
* Create a loopback interface. Optionally, a MAC Address can be
* Example of how to create a loopback interface:
* @cliexcmd{create loopback interface}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (create_loopback_interface_command, static) = {
.path = "create loopback interface",
.short_help = "create loopback interface [mac <mac-addr>] [instance <instance>]",
.function = create_simulated_ethernet_interfaces,
};
-/* *INDENT-ON* */
ethernet_interface_t *
ethernet_get_interface (ethernet_main_t * em, u32 hw_if_index)
index ? pool_elt_at_index (em->interfaces, i->hw_instance) : 0);
}
+mac_address_t *
+ethernet_interface_add_del_address (ethernet_main_t * em,
+ u32 hw_if_index, const u8 * address,
+ u8 is_add)
+{
+ ethernet_interface_t *ei = ethernet_get_interface (em, hw_if_index);
+ ethernet_interface_address_t *if_addr = 0;
+ int found = 0;
+
+ /* return if there is not an ethernet interface for this hw interface */
+ if (!ei)
+ return 0;
+
+ /* determine whether the address is configured on the interface */
+ vec_foreach (if_addr, ei->secondary_addrs)
+ {
+ if (ethernet_mac_address_equal (if_addr->mac.bytes, address))
+ {
+ found = 1;
+ break;
+ }
+ }
+
+ if (is_add)
+ {
+ if (!found)
+ {
+ /* address not found yet: add it */
+ vec_add2 (ei->secondary_addrs, if_addr, 1);
+ ethernet_interface_address_copy (if_addr, address);
+ }
+ return &if_addr->mac;
+ }
+
+ /* delete case */
+ if (found)
+ vec_delete (ei->secondary_addrs, 1, if_addr - ei->secondary_addrs);
+
+ return 0;
+}
+
int
vnet_delete_loopback_interface (u32 sw_if_index)
{
return 0;
}
+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)
{
* Example of how to delete a loopback interface:
* @cliexcmd{loopback delete-interface intfc loop0}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (delete_simulated_ethernet_interface_command, static) = {
.path = "loopback delete-interface",
.short_help = "loopback delete-interface intfc <interface>",
.function = delete_simulated_ethernet_interfaces,
};
-/* *INDENT-ON* */
/*?
* Delete a loopback interface.
* Example of how to delete a loopback interface:
* @cliexcmd{delete loopback interface intfc loop0}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (delete_loopback_interface_command, static) = {
.path = "delete loopback interface",
.short_help = "delete loopback interface intfc <interface>",
.function = delete_simulated_ethernet_interfaces,
};
-/* *INDENT-ON* */
/*?
* Delete a sub-interface.
* Example of how to delete a sub-interface:
* @cliexcmd{delete sub-interface GigabitEthernet0/8/0.200}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (delete_sub_interface_command, static) = {
.path = "delete sub-interface",
.short_help = "delete sub-interface <interface>",
.function = delete_sub_interface,
};
-/* *INDENT-ON* */
+
+/* ethernet { ... } configuration. */
+/*?
+ *
+ * @cfgcmd{default-mtu <n>}
+ * Specify the default mtu in the range of 64-9000. The default is 9000 bytes.
+ *
+ */
+static clib_error_t *
+ethernet_config (vlib_main_t * vm, unformat_input_t * input)
+{
+ ethernet_main_t *em = ðernet_main;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "default-mtu %u", &em->default_mtu))
+ {
+ if (em->default_mtu < 64 || em->default_mtu > 9000)
+ return clib_error_return (0, "default MTU must be >=64, <=9000");
+ }
+ else
+ {
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ }
+ }
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (ethernet_config, "ethernet");
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff