blob: e546e1db0e7c5ea474d5d41d0a07bbcf8aa2b797 [file] [log] [blame]
/*
*------------------------------------------------------------------
* sr_api.c - ipv6 segment routing 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 <vnet/srv6/sr.h>
#include <vlibmemory/api.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/feature/feature.h>
#include <vnet/fib/fib_table.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/format_fns.h>
#include <vnet/srv6/sr.api_enum.h>
#include <vnet/srv6/sr.api_types.h>
#define REPLY_MSG_ID_BASE sr_main.msg_id_base
#include <vlibapi/api_helper_macros.h>
static void vl_api_sr_localsid_add_del_t_handler
(vl_api_sr_localsid_add_del_t * mp)
{
vl_api_sr_localsid_add_del_reply_t *rmp;
int rv = 0;
int usid_len = 0;
u16 localsid_prefix_len = 128;
ip46_address_t prefix;
ip6_address_t localsid;
/*
* int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr,
* char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table,
* ip46_address_t *nh_addr, void *ls_plugin_mem)
*/
if (mp->behavior == SR_BEHAVIOR_X || mp->behavior == SR_BEHAVIOR_UA ||
mp->behavior == SR_BEHAVIOR_DX6 || mp->behavior == SR_BEHAVIOR_DX4 ||
mp->behavior == SR_BEHAVIOR_DX2)
VALIDATE_SW_IF_INDEX (mp);
if (mp->behavior == SR_BEHAVIOR_END_UN_PERF ||
mp->behavior == SR_BEHAVIOR_END_UN)
{
usid_len = 16;
localsid_prefix_len = 48;
}
if (mp->behavior == SR_BEHAVIOR_UA)
{
usid_len = 16;
localsid_prefix_len = 64;
}
ip6_address_decode (mp->localsid, &localsid);
ip_address_decode (&mp->nh_addr, &prefix);
rv = sr_cli_localsid (mp->is_del, &localsid, localsid_prefix_len,
mp->end_psp, mp->behavior, ntohl (mp->sw_if_index),
ntohl (mp->vlan_index), ntohl (mp->fib_table), &prefix,
usid_len, NULL);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SR_LOCALSID_ADD_DEL_REPLY);
}
static void
vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp)
{
vl_api_sr_policy_add_reply_t *rmp;
ip6_address_t *segments = 0, *seg;
ip6_address_t bsid_addr;
int i;
for (i = 0; i < mp->sids.num_sids; i++)
{
vec_add2 (segments, seg, 1);
ip6_address_decode (mp->sids.sids[i], seg);
}
ip6_address_decode (mp->bsid_addr, &bsid_addr);
/*
* sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
* ip6_address_t *encap_src,
* u32 weight, u8 behavior, u32 fib_table, u8 is_encap,
* u16 behavior, void *plugin_mem)
*/
int rv = 0;
rv =
sr_policy_add (&bsid_addr, segments, NULL, ntohl (mp->sids.weight),
mp->is_spray, ntohl (mp->fib_table), mp->is_encap, 0, NULL);
vec_free (segments);
REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY);
}
static void
vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
{
vl_api_sr_policy_mod_reply_t *rmp;
ip6_address_t *segments = 0, *seg;
ip6_address_t bsid_addr;
int i;
for (i = 0; i < mp->sids.num_sids; i++)
{
vec_add2 (segments, seg, 1);
ip6_address_decode (mp->sids.sids[i], seg);
}
ip6_address_decode (mp->bsid_addr, &bsid_addr);
int rv = 0;
/*
* int
* sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table,
* u8 operation, ip6_address_t *segments,
* ip6_address_t *encap_src, u32 sl_index,
* u32 weight, u8 is_encap)
*/
rv = sr_policy_mod (&bsid_addr, ntohl (mp->sr_policy_index),
ntohl (mp->fib_table), mp->operation, segments, NULL,
ntohl (mp->sl_index), ntohl (mp->sids.weight));
vec_free (segments);
REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY);
}
static void
vl_api_sr_policy_add_v2_t_handler (vl_api_sr_policy_add_v2_t *mp)
{
vl_api_sr_policy_add_v2_reply_t *rmp;
ip6_address_t *segments = 0, *seg;
ip6_address_t bsid_addr;
ip6_address_t encap_src;
int i;
for (i = 0; i < mp->sids.num_sids; i++)
{
vec_add2 (segments, seg, 1);
ip6_address_decode (mp->sids.sids[i], seg);
}
ip6_address_decode (mp->bsid_addr, &bsid_addr);
ip6_address_decode (mp->encap_src, &encap_src);
if (ip6_address_is_zero (&encap_src))
{
encap_src = *sr_get_encaps_source ();
}
/*
* sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
* ip6_address_t *encap_src,
* u32 weight, u8 behavior, u32 fib_table, u8 is_encap,
* u16 behavior, void *plugin_mem)
*/
int rv = 0;
rv =
sr_policy_add (&bsid_addr, segments, &encap_src, ntohl (mp->sids.weight),
mp->type, ntohl (mp->fib_table), mp->is_encap, 0, NULL);
vec_free (segments);
REPLY_MACRO (VL_API_SR_POLICY_ADD_V2_REPLY);
}
static void
vl_api_sr_policy_mod_v2_t_handler (vl_api_sr_policy_mod_v2_t *mp)
{
vl_api_sr_policy_mod_v2_reply_t *rmp;
ip6_address_t *segments = 0, *seg;
ip6_address_t bsid_addr;
ip6_address_t encap_src;
int i;
for (i = 0; i < mp->sids.num_sids; i++)
{
vec_add2 (segments, seg, 1);
ip6_address_decode (mp->sids.sids[i], seg);
}
ip6_address_decode (mp->bsid_addr, &bsid_addr);
ip6_address_decode (mp->encap_src, &encap_src);
if (ip6_address_is_zero (&encap_src))
{
encap_src = *sr_get_encaps_source ();
}
int rv = 0;
/*
* int
* sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table,
* u8 operation, ip6_address_t *segments,
* ip6_address_t *encap_src, u32 sl_index,
* u32 weight, u8 is_encap)
*/
rv =
sr_policy_mod (&bsid_addr, ntohl (mp->sr_policy_index),
ntohl (mp->fib_table), mp->operation, segments, &encap_src,
ntohl (mp->sl_index), ntohl (mp->sids.weight));
vec_free (segments);
REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY);
}
static void
vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp)
{
vl_api_sr_policy_del_reply_t *rmp;
int rv = 0;
ip6_address_t bsid_addr;
/*
* int
* sr_policy_del (ip6_address_t *bsid, u32 index)
*/
ip6_address_decode (mp->bsid_addr, &bsid_addr);
rv = sr_policy_del (&bsid_addr, ntohl (mp->sr_policy_index));
REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
}
static void
vl_api_sr_set_encap_source_t_handler (vl_api_sr_set_encap_source_t * mp)
{
vl_api_sr_set_encap_source_reply_t *rmp;
int rv = 0;
ip6_address_t encaps_source;
ip6_address_decode (mp->encaps_source, &encaps_source);
sr_set_source (&encaps_source);
REPLY_MACRO (VL_API_SR_SET_ENCAP_SOURCE_REPLY);
}
static void
vl_api_sr_set_encap_hop_limit_t_handler (vl_api_sr_set_encap_hop_limit_t * mp)
{
vl_api_sr_set_encap_hop_limit_reply_t *rmp;
int rv = 0;
if (mp->hop_limit == 0)
rv = VNET_API_ERROR_INVALID_VALUE;
else
sr_set_hop_limit (mp->hop_limit);
REPLY_MACRO (VL_API_SR_SET_ENCAP_HOP_LIMIT_REPLY);
}
static void vl_api_sr_steering_add_del_t_handler
(vl_api_sr_steering_add_del_t * mp)
{
vl_api_sr_steering_add_del_reply_t *rmp;
int rv = 0;
ip6_address_t bsid_addr;
ip46_address_t prefix_addr;
/*
* int
* sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index,
* u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index,
* u8 traffic_type)
*/
ip6_address_decode (mp->bsid_addr, &bsid_addr);
ip_address_decode (&mp->prefix.address, &prefix_addr);
if (mp->traffic_type == SR_STEER_L2)
VALIDATE_SW_IF_INDEX (mp);
rv = sr_steering_policy (mp->is_del,
&bsid_addr,
ntohl (mp->sr_policy_index),
ntohl (mp->table_id),
&prefix_addr,
mp->prefix.len,
ntohl (mp->sw_if_index), mp->traffic_type);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SR_STEERING_ADD_DEL_REPLY);
}
static void send_sr_localsid_details
(ip6_sr_localsid_t * t, vl_api_registration_t * reg, u32 context)
{
vl_api_sr_localsids_details_t *rmp;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_LOCALSIDS_DETAILS);
ip6_address_encode (&t->localsid, rmp->addr);
rmp->end_psp = t->end_psp;
rmp->behavior = t->behavior;
rmp->fib_table = htonl (t->fib_table);
rmp->vlan_index = htonl (t->vlan_index);
ip_address_encode (&t->next_hop, IP46_TYPE_ANY, &rmp->xconnect_nh_addr);
if (t->behavior == SR_BEHAVIOR_T || t->behavior == SR_BEHAVIOR_DT6)
rmp->xconnect_iface_or_vrf_table =
htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP6));
else if (t->behavior == SR_BEHAVIOR_DT4)
rmp->xconnect_iface_or_vrf_table =
htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP4));
else
rmp->xconnect_iface_or_vrf_table = htonl (t->sw_if_index);
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
}
static void vl_api_sr_localsids_dump_t_handler
(vl_api_sr_localsids_dump_t * mp)
{
vl_api_registration_t *reg;
ip6_sr_main_t *sm = &sr_main;
ip6_sr_localsid_t *t;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (t, sm->localsids)
{
send_sr_localsid_details(t, reg, mp->context);
}
}
static void
send_sr_localsid_with_packet_stats_details (int local_sid_index,
ip6_sr_localsid_t *t,
vl_api_registration_t *reg,
u32 context)
{
vl_api_sr_localsids_with_packet_stats_details_t *rmp;
vlib_counter_t good_traffic, bad_traffic;
ip6_sr_main_t *sm = &sr_main;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id =
ntohs (REPLY_MSG_ID_BASE + VL_API_SR_LOCALSIDS_WITH_PACKET_STATS_DETAILS);
ip6_address_encode (&t->localsid, rmp->addr);
rmp->end_psp = t->end_psp;
rmp->behavior = t->behavior;
rmp->fib_table = htonl (t->fib_table);
rmp->vlan_index = htonl (t->vlan_index);
ip_address_encode (&t->next_hop, IP46_TYPE_ANY, &rmp->xconnect_nh_addr);
if (t->behavior == SR_BEHAVIOR_T || t->behavior == SR_BEHAVIOR_DT6)
rmp->xconnect_iface_or_vrf_table =
htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP6));
else if (t->behavior == SR_BEHAVIOR_DT4)
rmp->xconnect_iface_or_vrf_table =
htonl (fib_table_get_table_id (t->sw_if_index, FIB_PROTOCOL_IP4));
else
rmp->xconnect_iface_or_vrf_table = htonl (t->sw_if_index);
rmp->context = context;
vlib_get_combined_counter (&(sm->sr_ls_valid_counters), local_sid_index,
&good_traffic);
vlib_get_combined_counter (&(sm->sr_ls_invalid_counters), local_sid_index,
&bad_traffic);
rmp->good_traffic_bytes = clib_host_to_net_u64 (good_traffic.bytes);
rmp->good_traffic_pkt_count = clib_host_to_net_u64 (good_traffic.packets);
rmp->bad_traffic_bytes = clib_host_to_net_u64 (bad_traffic.bytes);
rmp->bad_traffic_pkt_count = clib_host_to_net_u64 (bad_traffic.packets);
vl_api_send_msg (reg, (u8 *) rmp);
}
static void
vl_api_sr_localsids_with_packet_stats_dump_t_handler (
vl_api_sr_localsids_with_packet_stats_dump_t *mp)
{
vl_api_registration_t *reg;
ip6_sr_main_t *sm = &sr_main;
ip6_sr_localsid_t **localsid_list = 0;
ip6_sr_localsid_t *t;
int i;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (t, sm->localsids)
{
vec_add1 (localsid_list, t);
}
for (i = 0; i < vec_len (localsid_list); i++)
{
t = localsid_list[i];
send_sr_localsid_with_packet_stats_details (i, t, reg, mp->context);
}
}
static void send_sr_policies_details
(ip6_sr_policy_t * t, vl_api_registration_t * reg, u32 context)
{
vl_api_sr_policies_details_t *rmp;
ip6_sr_main_t *sm = &sr_main;
u32 *sl_index, slidx = 0;
ip6_sr_sl_t *segment_list = 0;
ip6_address_t *segment;
vl_api_srv6_sid_list_t *api_sid_list;
rmp = vl_msg_api_alloc (sizeof (*rmp) +
vec_len (t->segments_lists) *
sizeof (vl_api_srv6_sid_list_t));
clib_memset (rmp, 0,
(sizeof (*rmp) +
vec_len (t->segments_lists) *
sizeof (vl_api_srv6_sid_list_t)));
rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_POLICIES_DETAILS);
ip6_address_encode (&t->bsid, rmp->bsid);
rmp->is_encap = t->is_encap;
rmp->is_spray = t->type;
rmp->fib_table = htonl (t->fib_table);
rmp->num_sid_lists = vec_len (t->segments_lists);
/* Fill in all the segments lists */
vec_foreach (sl_index, t->segments_lists)
{
segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);
api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
api_sid_list->num_sids = vec_len (segment_list->segments);
api_sid_list->weight = htonl (segment_list->weight);
slidx = 0;
vec_foreach (segment, segment_list->segments)
{
ip6_address_encode (segment, api_sid_list->sids[slidx++]);
}
}
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
}
static void
vl_api_sr_policies_dump_t_handler (vl_api_sr_policies_dump_t * mp)
{
vl_api_registration_t *reg;
ip6_sr_main_t *sm = &sr_main;
ip6_sr_policy_t *t;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (t, sm->sr_policies)
{
send_sr_policies_details(t, reg, mp->context);
}
}
static void
send_sr_policies_v2_details (ip6_sr_policy_t *t, vl_api_registration_t *reg,
u32 context)
{
vl_api_sr_policies_v2_details_t *rmp;
ip6_sr_main_t *sm = &sr_main;
u32 *sl_index, slidx = 0;
ip6_sr_sl_t *segment_list = 0;
ip6_address_t *segment;
vl_api_srv6_sid_list_t *api_sid_list;
rmp = vl_msg_api_alloc (sizeof (*rmp) + vec_len (t->segments_lists) *
sizeof (vl_api_srv6_sid_list_t));
clib_memset (rmp, 0,
(sizeof (*rmp) + vec_len (t->segments_lists) *
sizeof (vl_api_srv6_sid_list_t)));
rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_POLICIES_V2_DETAILS);
ip6_address_encode (&t->bsid, rmp->bsid);
ip6_address_encode (&t->encap_src, rmp->encap_src);
rmp->is_encap = t->is_encap;
rmp->type = t->type;
rmp->fib_table = htonl (t->fib_table);
rmp->num_sid_lists = vec_len (t->segments_lists);
/* Fill in all the segments lists */
vec_foreach (sl_index, t->segments_lists)
{
segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);
api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
api_sid_list->num_sids = vec_len (segment_list->segments);
api_sid_list->weight = htonl (segment_list->weight);
slidx = 0;
vec_foreach (segment, segment_list->segments)
{
ip6_address_encode (segment, api_sid_list->sids[slidx++]);
}
}
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
}
static void
vl_api_sr_policies_v2_dump_t_handler (vl_api_sr_policies_v2_dump_t *mp)
{
vl_api_registration_t *reg;
ip6_sr_main_t *sm = &sr_main;
ip6_sr_policy_t *t;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (t, sm->sr_policies)
{
send_sr_policies_v2_details (t, reg, mp->context);
}
}
static void send_sr_policies_details_with_sl_index
(ip6_sr_policy_t * t, vl_api_registration_t * reg, u32 context)
{
vl_api_sr_policies_with_sl_index_details_t *rmp;
ip6_sr_main_t *sm = &sr_main;
u32 *sl_index, slidx = 0;
ip6_sr_sl_t *segment_list = 0;
ip6_address_t *segment;
vl_api_srv6_sid_list_with_sl_index_t *api_sid_list;
rmp = vl_msg_api_alloc (sizeof (*rmp) +
vec_len (t->segments_lists) *
sizeof (vl_api_srv6_sid_list_with_sl_index_t));
clib_memset (rmp, 0,
(sizeof (*rmp) +
vec_len (t->segments_lists) *
sizeof (vl_api_srv6_sid_list_with_sl_index_t)));
rmp->_vl_msg_id =
ntohs (REPLY_MSG_ID_BASE + VL_API_SR_POLICIES_WITH_SL_INDEX_DETAILS);
ip6_address_encode (&t->bsid, rmp->bsid);
rmp->is_encap = t->is_encap;
rmp->is_spray = t->type;
rmp->fib_table = htonl (t->fib_table);
rmp->num_sid_lists = vec_len (t->segments_lists);
/* Fill in all the segments lists */
vec_foreach (sl_index, t->segments_lists)
{
segment_list = pool_elt_at_index (sm->sid_lists, *sl_index);
api_sid_list = &rmp->sid_lists[sl_index - t->segments_lists];
api_sid_list->sl_index = htonl (*sl_index);
api_sid_list->num_sids = vec_len (segment_list->segments);
api_sid_list->weight = htonl (segment_list->weight);
slidx = 0;
vec_foreach (segment, segment_list->segments)
{
ip6_address_encode (segment, api_sid_list->sids[slidx++]);
}
}
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
}
static void
vl_api_sr_policies_with_sl_index_dump_t_handler
(vl_api_sr_policies_with_sl_index_dump_t * mp)
{
vl_api_registration_t *reg;
ip6_sr_main_t *sm = &sr_main;
ip6_sr_policy_t *t;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (t, sm->sr_policies)
{
send_sr_policies_details_with_sl_index(t, reg, mp->context);
}
}
static void send_sr_steering_pol_details
(ip6_sr_steering_policy_t * t, vl_api_registration_t * reg, u32 context)
{
vl_api_sr_steering_pol_details_t *rmp;
ip6_sr_main_t *sm = &sr_main;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_STEERING_POL_DETAILS);
//Get the SR policy BSID
ip6_sr_policy_t *p;
p = pool_elt_at_index (sm->sr_policies, t->sr_policy);
ip6_address_encode (&p->bsid, rmp->bsid);
//Get the steering
rmp->traffic_type = t->classify.traffic_type;
rmp->fib_table = htonl (t->classify.l3.fib_table);
ip_address_encode (&t->classify.l3.prefix, IP46_TYPE_ANY,
&rmp->prefix.address);
rmp->prefix.len = t->classify.l3.mask_width;
rmp->sw_if_index = htonl (t->classify.l2.sw_if_index);
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
}
static void vl_api_sr_steering_pol_dump_t_handler
(vl_api_sr_policies_dump_t * mp)
{
vl_api_registration_t *reg;
ip6_sr_main_t *sm = &sr_main;
ip6_sr_steering_policy_t *t;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (t, sm->steer_policies)
{
send_sr_steering_pol_details(t, reg, mp->context);
}
}
#include <vnet/srv6/sr.api.c>
static clib_error_t *
sr_api_hookup (vlib_main_t * vm)
{
/*
* Set up the (msg_name, crc, message-id) table
*/
REPLY_MSG_ID_BASE = setup_message_id_table ();
return 0;
}
VLIB_API_INIT_FUNCTION (sr_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/