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gerrit.nordix.org / fdio / vpp / c05e2852f6755f38065e633a3c1bcf7a502e1bf3 / . / src / vnet / l2 / l2_api.c
blob: 746c7fdf2a28c0e2cbf2980b1f51b75c2e902d99 [file] [log] [blame]
/*
*------------------------------------------------------------------
* l2_api.c - layer 2 forwarding api
*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#include <vnet/vnet.h>
#include <vlibmemory/api.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/l2/l2_input.h>
#include <vnet/l2/l2_fib.h>
#include <vnet/l2/l2_vtr.h>
#include <vnet/l2/l2_learn.h>
#include <vnet/l2/l2_bd.h>
#include <vnet/l2/l2_bvi.h>
#include <vnet/l2/l2_arp_term.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/ethernet/ethernet_types_api.h>
#include <vnet/vnet_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun
#include <vlibapi/api_helper_macros.h>
#define foreach_vpe_api_msg \
_(L2_XCONNECT_DUMP, l2_xconnect_dump) \
_(L2_FIB_CLEAR_TABLE, l2_fib_clear_table) \
_(L2_FIB_TABLE_DUMP, l2_fib_table_dump) \
_(L2FIB_FLUSH_ALL, l2fib_flush_all) \
_(L2FIB_FLUSH_INT, l2fib_flush_int) \
_(L2FIB_FLUSH_BD, l2fib_flush_bd) \
_(L2FIB_ADD_DEL, l2fib_add_del) \
_(WANT_L2_MACS_EVENTS, want_l2_macs_events) \
_(L2_FLAGS, l2_flags) \
_(SW_INTERFACE_SET_L2_XCONNECT, sw_interface_set_l2_xconnect) \
_(SW_INTERFACE_SET_L2_BRIDGE, sw_interface_set_l2_bridge) \
_(L2_PATCH_ADD_DEL, l2_patch_add_del) \
_(L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter) \
_(BD_IP_MAC_ADD_DEL, bd_ip_mac_add_del) \
_(BD_IP_MAC_FLUSH, bd_ip_mac_flush) \
_(BD_IP_MAC_DUMP, bd_ip_mac_dump) \
_(BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del) \
_(BRIDGE_DOMAIN_DUMP, bridge_domain_dump) \
_(BRIDGE_FLAGS, bridge_flags) \
_(L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite) \
_(L2_INTERFACE_PBB_TAG_REWRITE, l2_interface_pbb_tag_rewrite) \
_(BRIDGE_DOMAIN_SET_MAC_AGE, bridge_domain_set_mac_age) \
_(SW_INTERFACE_SET_VPATH, sw_interface_set_vpath) \
_(BVI_CREATE, bvi_create) \
_(BVI_DELETE, bvi_delete) \
_(WANT_L2_ARP_TERM_EVENTS, want_l2_arp_term_events)
static void
send_l2_xconnect_details (vl_api_registration_t * reg, u32 context,
u32 rx_sw_if_index, u32 tx_sw_if_index)
{
vl_api_l2_xconnect_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_L2_XCONNECT_DETAILS);
mp->context = context;
mp->rx_sw_if_index = htonl (rx_sw_if_index);
mp->tx_sw_if_index = htonl (tx_sw_if_index);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_l2_xconnect_dump_t_handler (vl_api_l2_xconnect_dump_t * mp)
{
vl_api_registration_t *reg;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
l2input_main_t *l2im = &l2input_main;
vnet_sw_interface_t *swif;
l2_input_config_t *config;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* *INDENT-OFF* */
pool_foreach (swif, im->sw_interfaces,
({
config = vec_elt_at_index (l2im->configs, swif->sw_if_index);
if (l2_input_is_xconnect(config))
send_l2_xconnect_details (reg, mp->context, swif->sw_if_index,
config->output_sw_if_index);
}));
/* *INDENT-ON* */
}
static void
vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t * mp)
{
int rv = 0;
vl_api_l2_fib_clear_table_reply_t *rmp;
/* Clear all MACs including static MACs */
l2fib_clear_table ();
REPLY_MACRO (VL_API_L2_FIB_CLEAR_TABLE_REPLY);
}
static void
send_l2fib_table_entry (vpe_api_main_t * am,
vl_api_registration_t * reg,
l2fib_entry_key_t * l2fe_key,
l2fib_entry_result_t * l2fe_res, u32 context)
{
vl_api_l2_fib_table_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_L2_FIB_TABLE_DETAILS);
mp->bd_id =
ntohl (l2input_main.bd_configs[l2fe_key->fields.bd_index].bd_id);
mac_address_encode ((mac_address_t *) l2fe_key->fields.mac, mp->mac);
mp->sw_if_index = ntohl (l2fe_res->fields.sw_if_index);
mp->static_mac = (l2fib_entry_result_is_set_STATIC (l2fe_res) ? 1 : 0);
mp->filter_mac = (l2fib_entry_result_is_set_FILTER (l2fe_res) ? 1 : 0);
mp->bvi_mac = (l2fib_entry_result_is_set_BVI (l2fe_res) ? 1 : 0);
mp->context = context;
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_l2_fib_table_dump_t_handler (vl_api_l2_fib_table_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
bd_main_t *bdm = &bd_main;
l2fib_entry_key_t *l2fe_key = NULL;
l2fib_entry_result_t *l2fe_res = NULL;
u32 ni, bd_id = ntohl (mp->bd_id);
u32 bd_index;
vl_api_registration_t *reg;
uword *p;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* see l2fib_table_dump: ~0 means "any" */
if (bd_id == ~0)
bd_index = ~0;
else
{
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
if (p == 0)
return;
bd_index = p[0];
}
l2fib_table_dump (bd_index, &l2fe_key, &l2fe_res);
vec_foreach_index (ni, l2fe_key)
{
send_l2fib_table_entry (am, reg, vec_elt_at_index (l2fe_key, ni),
vec_elt_at_index (l2fe_res, ni), mp->context);
}
vec_free (l2fe_key);
vec_free (l2fe_res);
}
static void
vl_api_l2fib_add_del_t_handler (vl_api_l2fib_add_del_t * mp)
{
bd_main_t *bdm = &bd_main;
l2input_main_t *l2im = &l2input_main;
vl_api_l2fib_add_del_reply_t *rmp;
int rv = 0;
u32 bd_id = ntohl (mp->bd_id);
uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
if (!p)
{
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
goto bad_sw_if_index;
}
u32 bd_index = p[0];
mac_address_t mac;
mac_address_decode (mp->mac, &mac);
if (mp->is_add)
{
if (mp->filter_mac)
l2fib_add_filter_entry (mac.bytes, bd_index);
else
{
l2fib_entry_result_flags_t flags = L2FIB_ENTRY_RESULT_FLAG_NONE;
u32 sw_if_index = ntohl (mp->sw_if_index);
VALIDATE_SW_IF_INDEX (mp);
if (vec_len (l2im->configs) <= sw_if_index)
{
rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
goto bad_sw_if_index;
}
else
{
l2_input_config_t *config;
config = vec_elt_at_index (l2im->configs, sw_if_index);
if (!l2_input_is_bridge (config))
{
rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
goto bad_sw_if_index;
}
}
if (mp->static_mac)
flags |= L2FIB_ENTRY_RESULT_FLAG_STATIC;
if (mp->bvi_mac)
flags |= L2FIB_ENTRY_RESULT_FLAG_BVI;
l2fib_add_entry (mac.bytes, bd_index, sw_if_index, flags);
}
}
else
{
u32 sw_if_index = ntohl (mp->sw_if_index);
if (l2fib_del_entry (mac.bytes, bd_index, sw_if_index))
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
}
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_L2FIB_ADD_DEL_REPLY);
}
static void
vl_api_want_l2_macs_events_t_handler (vl_api_want_l2_macs_events_t * mp)
{
int rv = 0;
vl_api_want_l2_macs_events_reply_t *rmp;
l2learn_main_t *lm = &l2learn_main;
l2fib_main_t *fm = &l2fib_main;
u32 pid = ntohl (mp->pid);
u32 learn_limit = ntohl (mp->learn_limit);
if (mp->enable_disable)
{
if (lm->client_pid == 0)
{
lm->client_pid = pid;
lm->client_index = mp->client_index;
if (mp->max_macs_in_event)
fm->max_macs_in_event = mp->max_macs_in_event * 10;
else
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto exit;
}
if (mp->scan_delay)
fm->event_scan_delay = (f64) (mp->scan_delay) * 10e-3;
else
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto exit;
}
/* change learn limit and flush all learned MACs */
if (learn_limit && (learn_limit < L2LEARN_DEFAULT_LIMIT))
lm->global_learn_limit = learn_limit;
else
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto exit;
}
l2fib_flush_all_mac (vlib_get_main ());
}
else if (lm->client_pid != pid)
{
rv = VNET_API_ERROR_L2_MACS_EVENT_CLINET_PRESENT;
goto exit;
}
}
else if (lm->client_pid)
{
lm->client_pid = 0;
lm->client_index = 0;
if (learn_limit && (learn_limit < L2LEARN_DEFAULT_LIMIT))
lm->global_learn_limit = learn_limit;
else
lm->global_learn_limit = L2LEARN_DEFAULT_LIMIT;
}
exit:
REPLY_MACRO (VL_API_WANT_L2_MACS_EVENTS_REPLY);
}
static void
vl_api_l2fib_flush_int_t_handler (vl_api_l2fib_flush_int_t * mp)
{
int rv = 0;
vlib_main_t *vm = vlib_get_main ();
vl_api_l2fib_flush_int_reply_t *rmp;
VALIDATE_SW_IF_INDEX (mp);
u32 sw_if_index = ntohl (mp->sw_if_index);
l2fib_flush_int_mac (vm, sw_if_index);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_L2FIB_FLUSH_INT_REPLY);
}
static void
vl_api_l2fib_flush_all_t_handler (vl_api_l2fib_flush_all_t * mp)
{
int rv = 0;
vl_api_l2fib_flush_all_reply_t *rmp;
l2fib_flush_all_mac (vlib_get_main ());
REPLY_MACRO (VL_API_L2FIB_FLUSH_ALL_REPLY);
}
static void
vl_api_l2fib_flush_bd_t_handler (vl_api_l2fib_flush_bd_t * mp)
{
int rv = 0;
vlib_main_t *vm = vlib_get_main ();
bd_main_t *bdm = &bd_main;
vl_api_l2fib_flush_bd_reply_t *rmp;
u32 bd_id = ntohl (mp->bd_id);
uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
if (p == 0)
{
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
goto out;
}
l2fib_flush_bd_mac (vm, *p);
out:
REPLY_MACRO (VL_API_L2FIB_FLUSH_BD_REPLY);
}
static void
vl_api_l2_flags_t_handler (vl_api_l2_flags_t * mp)
{
vl_api_l2_flags_reply_t *rmp;
int rv = 0;
u32 rbm = 0;
VALIDATE_SW_IF_INDEX (mp);
u32 sw_if_index = ntohl (mp->sw_if_index);
u32 flags = ntohl (mp->feature_bitmap);
u32 bitmap = 0;
if (flags & L2_LEARN)
bitmap |= L2INPUT_FEAT_LEARN;
if (flags & L2_FWD)
bitmap |= L2INPUT_FEAT_FWD;
if (flags & L2_FLOOD)
bitmap |= L2INPUT_FEAT_FLOOD;
if (flags & L2_UU_FLOOD)
bitmap |= L2INPUT_FEAT_UU_FLOOD;
if (flags & L2_ARP_TERM)
bitmap |= L2INPUT_FEAT_ARP_TERM;
rbm = l2input_intf_bitmap_enable (sw_if_index, bitmap, mp->is_set);
BAD_SW_IF_INDEX_LABEL;
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_L2_FLAGS_REPLY,
({
rmp->resulting_feature_bitmap = ntohl(rbm);
}));
/* *INDENT-ON* */
}
static void
vl_api_bridge_domain_set_mac_age_t_handler (vl_api_bridge_domain_set_mac_age_t
* mp)
{
vlib_main_t *vm = vlib_get_main ();
bd_main_t *bdm = &bd_main;
vl_api_bridge_domain_set_mac_age_reply_t *rmp;
int rv = 0;
u32 bd_id = ntohl (mp->bd_id);
uword *p;
if (bd_id == 0)
{
rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
goto out;
}
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
if (p == 0)
{
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
goto out;
}
bd_set_mac_age (vm, *p, mp->mac_age);
out:
REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_MAC_AGE_REPLY);
}
static void
vl_api_bridge_domain_add_del_t_handler (vl_api_bridge_domain_add_del_t * mp)
{
l2_bridge_domain_add_del_args_t a = {
.is_add = mp->is_add,
.flood = mp->flood,
.uu_flood = mp->uu_flood,
.forward = mp->forward,
.learn = mp->learn,
.arp_term = mp->arp_term,
.arp_ufwd = mp->arp_ufwd,
.mac_age = mp->mac_age,
.bd_id = ntohl (mp->bd_id),
.bd_tag = mp->bd_tag
};
int rv = bd_add_del (&a);
vl_api_bridge_domain_add_del_reply_t *rmp;
REPLY_MACRO (VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY);
}
static void
send_bridge_domain_details (l2input_main_t * l2im,
vl_api_registration_t * reg,
l2_bridge_domain_t * bd_config,
u32 n_sw_ifs, u32 context)
{
vl_api_bridge_domain_details_t *mp;
l2_flood_member_t *m;
vl_api_bridge_domain_sw_if_t *sw_ifs;
l2_input_config_t *input_cfg;
mp = vl_msg_api_alloc (sizeof (*mp) +
(n_sw_ifs * sizeof (vl_api_bridge_domain_sw_if_t)));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS);
mp->bd_id = ntohl (bd_config->bd_id);
mp->flood = bd_feature_flood (bd_config);
mp->uu_flood = bd_feature_uu_flood (bd_config);
mp->forward = bd_feature_forward (bd_config);
mp->learn = bd_feature_learn (bd_config);
mp->arp_term = bd_feature_arp_term (bd_config);
mp->arp_ufwd = bd_feature_arp_ufwd (bd_config);
mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index);
mp->uu_fwd_sw_if_index = ntohl (bd_config->uu_fwd_sw_if_index);
mp->mac_age = bd_config->mac_age;
if (bd_config->bd_tag)
{
strncpy ((char *) mp->bd_tag, (char *) bd_config->bd_tag,
ARRAY_LEN (mp->bd_tag) - 1);
mp->bd_tag[ARRAY_LEN (mp->bd_tag) - 1] = 0;
}
mp->context = context;
sw_ifs = (vl_api_bridge_domain_sw_if_t *) mp->sw_if_details;
vec_foreach (m, bd_config->members)
{
sw_ifs->sw_if_index = ntohl (m->sw_if_index);
input_cfg = vec_elt_at_index (l2im->configs, m->sw_if_index);
sw_ifs->shg = input_cfg->shg;
sw_ifs++;
mp->n_sw_ifs++;
}
mp->n_sw_ifs = htonl (mp->n_sw_ifs);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_bridge_domain_dump_t_handler (vl_api_bridge_domain_dump_t * mp)
{
bd_main_t *bdm = &bd_main;
l2input_main_t *l2im = &l2input_main;
vl_api_registration_t *reg;
u32 bd_id, bd_index, end, filter_sw_if_index;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
filter_sw_if_index = ntohl (mp->sw_if_index);
if (filter_sw_if_index != ~0)
return; /* UNIMPLEMENTED */
bd_id = ntohl (mp->bd_id);
if (bd_id == 0)
return;
if (bd_id == ~0)
bd_index = 0, end = vec_len (l2im->bd_configs);
else
{
bd_index = bd_find_index (bdm, bd_id);
if (bd_index == ~0)
return;
end = bd_index + 1;
}
for (; bd_index < end; bd_index++)
{
l2_bridge_domain_t *bd_config =
l2input_bd_config_from_index (l2im, bd_index);
/* skip placeholder bd_id 0 */
if (bd_config && (bd_config->bd_id > 0))
send_bridge_domain_details (l2im, reg, bd_config,
vec_len (bd_config->members),
mp->context);
}
}
static bd_flags_t
bd_flags_decode (vl_api_bd_flags_t v)
{
bd_flags_t f = L2_NONE;
v = ntohl (v);
if (v & BRIDGE_API_FLAG_LEARN)
f |= L2_LEARN;
if (v & BRIDGE_API_FLAG_FWD)
f |= L2_FWD;
if (v & BRIDGE_API_FLAG_FLOOD)
f |= L2_FLOOD;
if (v & BRIDGE_API_FLAG_UU_FLOOD)
f |= L2_UU_FLOOD;
if (v & BRIDGE_API_FLAG_ARP_TERM)
f |= L2_ARP_TERM;
if (v & BRIDGE_API_FLAG_ARP_UFWD)
f |= L2_ARP_UFWD;
return (f);
}
static void
vl_api_bridge_flags_t_handler (vl_api_bridge_flags_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
bd_main_t *bdm = &bd_main;
vl_api_bridge_flags_reply_t *rmp;
u32 bitmap = 0;
int rv = 0;
bd_flags_t flags = bd_flags_decode (mp->flags);
u32 bd_id = ntohl (mp->bd_id);
if (bd_id == 0)
{
rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
goto out;
}
u32 bd_index = bd_find_index (bdm, bd_id);
if (bd_index == ~0)
{
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
goto out;
}
bitmap = bd_set_flags (vm, bd_index, flags, mp->is_set);
out:
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY,
({
rmp->resulting_feature_bitmap = ntohl(bitmap);
}));
/* *INDENT-ON* */
}
static void
vl_api_l2_interface_vlan_tag_rewrite_t_handler
(vl_api_l2_interface_vlan_tag_rewrite_t * mp)
{
int rv = 0;
vl_api_l2_interface_vlan_tag_rewrite_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
vlib_main_t *vm = vlib_get_main ();
u32 vtr_op;
VALIDATE_SW_IF_INDEX (mp);
vtr_op = ntohl (mp->vtr_op);
/* The L2 code is unsuspicious */
switch (vtr_op)
{
case L2_VTR_DISABLED:
case L2_VTR_PUSH_1:
case L2_VTR_PUSH_2:
case L2_VTR_POP_1:
case L2_VTR_POP_2:
case L2_VTR_TRANSLATE_1_1:
case L2_VTR_TRANSLATE_1_2:
case L2_VTR_TRANSLATE_2_1:
case L2_VTR_TRANSLATE_2_2:
break;
default:
rv = VNET_API_ERROR_INVALID_VALUE;
goto bad_sw_if_index;
}
rv = l2vtr_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
ntohl (mp->push_dot1q), ntohl (mp->tag1),
ntohl (mp->tag2));
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY);
}
static void
vl_api_l2_interface_pbb_tag_rewrite_t_handler
(vl_api_l2_interface_pbb_tag_rewrite_t * mp)
{
vl_api_l2_interface_pbb_tag_rewrite_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
vlib_main_t *vm = vlib_get_main ();
u32 vtr_op;
int rv = 0;
mac_address_t b_dmac, b_smac;
VALIDATE_SW_IF_INDEX (mp);
vtr_op = ntohl (mp->vtr_op);
switch (vtr_op)
{
case L2_VTR_DISABLED:
case L2_VTR_PUSH_2:
case L2_VTR_POP_2:
case L2_VTR_TRANSLATE_2_1:
break;
default:
rv = VNET_API_ERROR_INVALID_VALUE;
goto bad_sw_if_index;
}
mac_address_decode (mp->b_dmac, &b_dmac);
mac_address_decode (mp->b_smac, &b_smac);
rv = l2pbb_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
b_dmac.bytes, b_smac.bytes, ntohs (mp->b_vlanid),
ntohl (mp->i_sid), ntohs (mp->outer_tag));
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_L2_INTERFACE_PBB_TAG_REWRITE_REPLY);
}
static void
vl_api_sw_interface_set_l2_xconnect_t_handler
(vl_api_sw_interface_set_l2_xconnect_t * mp)
{
vl_api_sw_interface_set_l2_xconnect_reply_t *rmp;
int rv = 0;
u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
u32 tx_sw_if_index = ntohl (mp->tx_sw_if_index);
vlib_main_t *vm = vlib_get_main ();
vnet_main_t *vnm = vnet_get_main ();
VALIDATE_RX_SW_IF_INDEX (mp);
if (mp->enable)
{
VALIDATE_TX_SW_IF_INDEX (mp);
rv = set_int_l2_mode (vm, vnm, MODE_L2_XC,
rx_sw_if_index, 0,
L2_BD_PORT_TYPE_NORMAL, 0, tx_sw_if_index);
}
else
{
rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0,
L2_BD_PORT_TYPE_NORMAL, 0, 0);
}
switch (rv)
{
case MODE_ERROR_ETH:
rv = VNET_API_ERROR_NON_ETHERNET;
break;
case MODE_ERROR_BVI_DEF:
rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
break;
}
BAD_RX_SW_IF_INDEX_LABEL;
BAD_TX_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY);
}
static int
l2_bd_port_type_decode (vl_api_l2_port_type_t v, l2_bd_port_type_t * l)
{
v = clib_net_to_host_u32 (v);
switch (v)
{
case L2_API_PORT_TYPE_NORMAL:
*l = L2_BD_PORT_TYPE_NORMAL;
return 0;
case L2_API_PORT_TYPE_BVI:
*l = L2_BD_PORT_TYPE_BVI;
return 0;
case L2_API_PORT_TYPE_UU_FWD:
*l = L2_BD_PORT_TYPE_UU_FWD;
return 0;
}
return (VNET_API_ERROR_INVALID_VALUE);
}
static void
vl_api_sw_interface_set_l2_bridge_t_handler
(vl_api_sw_interface_set_l2_bridge_t * mp)
{
bd_main_t *bdm = &bd_main;
vl_api_sw_interface_set_l2_bridge_reply_t *rmp;
int rv = 0;
vlib_main_t *vm = vlib_get_main ();
vnet_main_t *vnm = vnet_get_main ();
l2_bd_port_type_t pt;
VALIDATE_RX_SW_IF_INDEX (mp);
u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
rv = l2_bd_port_type_decode (mp->port_type, &pt);
if (0 != rv)
goto out;
if (mp->enable)
{
VALIDATE_BD_ID (mp);
u32 bd_id = ntohl (mp->bd_id);
u32 bd_index = bd_find_or_add_bd_index (bdm, bd_id);
rv = set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE,
rx_sw_if_index, bd_index, pt, mp->shg, 0);
}
else
{
rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, pt, 0, 0);
}
switch (rv)
{
case MODE_ERROR_ETH:
rv = VNET_API_ERROR_NON_ETHERNET;
break;
case MODE_ERROR_BVI_DEF:
rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
break;
}
BAD_RX_SW_IF_INDEX_LABEL;
BAD_BD_ID_LABEL;
out:
REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY);
}
static void
send_bd_ip_mac_entry (vpe_api_main_t * am,
vl_api_registration_t * reg,
u32 bd_id,
const ip46_address_t * ip,
ip46_type_t itype,
const mac_address_t * mac, u32 context)
{
vl_api_bd_ip_mac_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_BD_IP_MAC_DETAILS);
mp->context = context;
mp->entry.bd_id = ntohl (bd_id);
ip_address_encode (ip, itype, &mp->entry.ip);
mac_address_encode (mac, mp->entry.mac);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_bd_ip_mac_dump_t_handler (vl_api_bd_ip_mac_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
bd_main_t *bdm = &bd_main;
l2_bridge_domain_t *bd_config;
u32 bd_id = ntohl (mp->bd_id);
u32 bd_index, start, end;
vl_api_registration_t *reg;
uword *p;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* see bd_id: ~0 means "any" */
if (bd_id == ~0)
{
start = 1;
end = vec_len (l2input_main.bd_configs);
}
else
{
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
if (p == 0)
return;
bd_index = p[0];
vec_validate (l2input_main.bd_configs, bd_index);
start = bd_index;
end = start + 1;
}
for (bd_index = start; bd_index < end; bd_index++)
{
bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
if (bd_is_valid (bd_config))
{
ip4_address_t ip4_addr;
ip6_address_t *ip6_addr;
mac_address_t mac;
u64 mac64;
bd_id = bd_config->bd_id;
/* *INDENT-OFF* */
hash_foreach (ip4_addr.as_u32, mac64, bd_config->mac_by_ip4,
({
ip46_address_t ip = {
.ip4 = ip4_addr,
};
mac_address_from_u64(&mac, mac64);
send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP4,
&mac, mp->context);
}));
hash_foreach_mem (ip6_addr, mac64, bd_config->mac_by_ip6,
({
ip46_address_t ip = {
.ip6 = *ip6_addr,
};
mac_address_from_u64(&mac, mac64);
send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP6,
&mac, mp->context);
}));
/* *INDENT-ON* */
}
}
}
static void
vl_api_bd_ip_mac_add_del_t_handler (vl_api_bd_ip_mac_add_del_t * mp)
{
ip46_address_t ip_addr = ip46_address_initializer;
vl_api_bd_ip_mac_add_del_reply_t *rmp;
bd_main_t *bdm = &bd_main;
u32 bd_index, bd_id;
mac_address_t mac;
ip46_type_t type;
int rv = 0;
uword *p;
bd_id = ntohl (mp->entry.bd_id);
if (bd_id == 0)
{
rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
goto out;
}
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
if (p == 0)
{
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
goto out;
}
bd_index = p[0];
type = ip_address_decode (&mp->entry.ip, &ip_addr);
mac_address_decode (mp->entry.mac, &mac);
if (bd_add_del_ip_mac (bd_index, type, &ip_addr, &mac, mp->is_add))
rv = VNET_API_ERROR_UNSPECIFIED;
out:
REPLY_MACRO (VL_API_BD_IP_MAC_ADD_DEL_REPLY);
}
static void
vl_api_bd_ip_mac_flush_t_handler (vl_api_bd_ip_mac_flush_t * mp)
{
vl_api_bd_ip_mac_flush_reply_t *rmp;
bd_main_t *bdm = &bd_main;
u32 bd_index, bd_id;
int rv = 0;
uword *p;
bd_id = ntohl (mp->bd_id);
if (bd_id == 0)
{
rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
goto out;
}
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
if (p == 0)
{
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
goto out;
}
bd_index = p[0];
bd_flush_ip_mac (bd_index);
out:
REPLY_MACRO (VL_API_BD_IP_MAC_FLUSH_REPLY);
}
extern void l2_efp_filter_configure (vnet_main_t * vnet_main,
u32 sw_if_index, u8 enable);
static void
vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t *
mp)
{
int rv;
vl_api_l2_interface_efp_filter_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
VALIDATE_SW_IF_INDEX (mp);
// enable/disable the feature
l2_efp_filter_configure (vnm, ntohl (mp->sw_if_index), mp->enable_disable);
rv = vnm->api_errno;
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_L2_INTERFACE_EFP_FILTER_REPLY);
}
static void
vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t * mp)
{
extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
int is_add);
vl_api_l2_patch_add_del_reply_t *rmp;
int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
int is_add);
int rv = 0;
VALIDATE_RX_SW_IF_INDEX (mp);
VALIDATE_TX_SW_IF_INDEX (mp);
rv = vnet_l2_patch_add_del (ntohl (mp->rx_sw_if_index),
ntohl (mp->tx_sw_if_index),
(int) (mp->is_add != 0));
BAD_RX_SW_IF_INDEX_LABEL;
BAD_TX_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_L2_PATCH_ADD_DEL_REPLY);
}
static void
vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t * mp)
{
vl_api_sw_interface_set_vpath_reply_t *rmp;
int rv = 0;
u32 sw_if_index = ntohl (mp->sw_if_index);
VALIDATE_SW_IF_INDEX (mp);
l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VPATH, mp->enable);
vnet_feature_enable_disable ("ip4-unicast", "vpath-input-ip4",
sw_if_index, mp->enable, 0, 0);
vnet_feature_enable_disable ("ip4-multicast", "vpath-input-ip4",
sw_if_index, mp->enable, 0, 0);
vnet_feature_enable_disable ("ip6-unicast", "vpath-input-ip6",
sw_if_index, mp->enable, 0, 0);
vnet_feature_enable_disable ("ip6-multicast", "vpath-input-ip6",
sw_if_index, mp->enable, 0, 0);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_SET_VPATH_REPLY);
}
static void
vl_api_bvi_create_t_handler (vl_api_bvi_create_t * mp)
{
vl_api_bvi_create_reply_t *rmp;
mac_address_t mac;
u32 sw_if_index;
int rv;
mac_address_decode (mp->mac, &mac);
rv = l2_bvi_create (ntohl (mp->user_instance), &mac, &sw_if_index);
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_BVI_CREATE_REPLY,
({
rmp->sw_if_index = ntohl (sw_if_index);
}));
/* *INDENT-ON* */
}
static void
vl_api_bvi_delete_t_handler (vl_api_bvi_delete_t * mp)
{
vl_api_bvi_delete_reply_t *rmp;
int rv;
rv = l2_bvi_delete (ntohl (mp->sw_if_index));
REPLY_MACRO (VL_API_BVI_DELETE_REPLY);
}
static bool
l2_arp_term_publish_event_is_equal (const l2_arp_term_publish_event_t * e1,
const l2_arp_term_publish_event_t * e2)
{
if (e1 == NULL || e2 == NULL)
return false;
return (ip46_address_is_equal (&e1->ip, &e2->ip) &&
(e1->sw_if_index == e2->sw_if_index) &&
(mac_address_equal (&e1->mac, &e2->mac)));
}
static uword
l2_arp_term_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
vlib_frame_t * f)
{
/* These cross the longjmp boundary (vlib_process_wait_for_event)
* and need to be volatile - to prevent them from being optimized into
* a register - which could change during suspension */
volatile f64 last = vlib_time_now (vm);
volatile l2_arp_term_publish_event_t last_event = { };
l2_arp_term_main_t *l2am = &l2_arp_term_main;
while (1)
{
uword event_type = L2_ARP_TERM_EVENT_PUBLISH;
vpe_client_registration_t *reg;
f64 now;
vlib_process_wait_for_event (vm);
vlib_process_get_event_data (vm, &event_type);
now = vlib_time_now (vm);
if (event_type == L2_ARP_TERM_EVENT_PUBLISH)
{
l2_arp_term_publish_event_t *event;
vec_foreach (event, l2am->publish_events)
{
/* dampen duplicate events - cast away volatile */
if (l2_arp_term_publish_event_is_equal
(event, (l2_arp_term_publish_event_t *) & last_event) &&
(now - last) < 10.0)
{
continue;
}
last_event = *event;
last = now;
/* *INDENT-OFF* */
pool_foreach(reg, vpe_api_main.l2_arp_term_events_registrations,
({
vl_api_registration_t *vl_reg;
vl_reg = vl_api_client_index_to_registration (reg->client_index);
ALWAYS_ASSERT (vl_reg != NULL);
if (reg && vl_api_can_send_msg (vl_reg))
{
vl_api_l2_arp_term_event_t * vevent;
vevent = vl_msg_api_alloc (sizeof *vevent);
clib_memset (vevent, 0, sizeof *vevent);
vevent->_vl_msg_id = htons (VL_API_L2_ARP_TERM_EVENT);
vevent->client_index = reg->client_index;
vevent->pid = reg->client_pid;
ip_address_encode(&event->ip,
event->type,
&vevent->ip);
vevent->sw_if_index = htonl(event->sw_if_index);
mac_address_encode(&event->mac, vevent->mac);
vl_api_send_msg (vl_reg, (u8 *) vevent);
}
}));
/* *INDENT-ON* */
}
vec_reset_length (l2am->publish_events);
}
}
return 0;
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_arp_term_process_node) = {
.function = l2_arp_term_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "l2-arp-term-publisher",
};
/* *INDENT-ON* */
static void
vl_api_want_l2_arp_term_events_t_handler (vl_api_want_l2_arp_term_events_t *
mp)
{
vl_api_want_l2_arp_term_events_reply_t *rmp;
vpe_api_main_t *am = &vpe_api_main;
vpe_client_registration_t *rp;
int rv = 0;
uword *p;
p = hash_get (am->l2_arp_term_events_registration_hash, mp->client_index);
if (p)
{
if (mp->enable)
{
clib_warning ("pid %d: already enabled...", mp->pid);
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
else
{
rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
pool_put (am->l2_arp_term_events_registrations, rp);
hash_unset (am->l2_arp_term_events_registration_hash,
mp->client_index);
if (pool_elts (am->l2_arp_term_events_registrations) == 0)
l2_arp_term_set_publisher_node (false);
goto reply;
}
}
if (mp->enable == 0)
{
clib_warning ("pid %d: already disabled...", mp->pid);
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
pool_get (am->l2_arp_term_events_registrations, rp);
rp->client_index = mp->client_index;
rp->client_pid = mp->pid;
hash_set (am->l2_arp_term_events_registration_hash, rp->client_index,
rp - am->l2_arp_term_events_registrations);
l2_arp_term_set_publisher_node (true);
reply:
REPLY_MACRO (VL_API_WANT_L2_ARP_TERM_EVENTS_REPLY);
}
static clib_error_t *
want_l2_arp_term_events_reaper (u32 client_index)
{
vpe_client_registration_t *rp;
vpe_api_main_t *am;
uword *p;
am = &vpe_api_main;
/* remove from the registration hash */
p = hash_get (am->l2_arp_term_events_registration_hash, client_index);
if (p)
{
rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
pool_put (am->l2_arp_term_events_registrations, rp);
hash_unset (am->l2_arp_term_events_registration_hash, client_index);
if (pool_elts (am->l2_arp_term_events_registrations) == 0)
l2_arp_term_set_publisher_node (false);
}
return (NULL);
}
VL_MSG_API_REAPER_FUNCTION (want_l2_arp_term_events_reaper);
/*
* l2_api_hookup
* Add vpe's API message handlers to the table.
* vlib has already mapped shared memory and
* added the client registration handlers.
* See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
*/
#define vl_msg_name_crc_list
#include <vnet/vnet_all_api_h.h>
#undef vl_msg_name_crc_list
static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
foreach_vl_msg_name_crc_l2;
#undef _
}
static clib_error_t *
l2_api_hookup (vlib_main_t * vm)
{
api_main_t *am = vlibapi_get_main ();
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_vpe_api_msg;
#undef _
/* Mark VL_API_BRIDGE_DOMAIN_DUMP as mp safe */
am->is_mp_safe[VL_API_BRIDGE_DOMAIN_DUMP] = 1;
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (l2_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/