/*
* Copyright (c) 2017 Intel 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 <vat/vat.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vppinfra/error.h>
#include <pppoe/pppoe.h>
#define __plugin_msg_base pppoe_test_main.msg_id_base
#include <vlibapi/vat_helper_macros.h>
uword unformat_ip46_address (unformat_input_t * input, va_list * args)
{
ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
ip46_type_t type = va_arg (*args, ip46_type_t);
if ((type != IP46_TYPE_IP6) &&
unformat(input, "%U", unformat_ip4_address, &ip46->ip4)) {
ip46_address_mask_ip4(ip46);
return 1;
} else if ((type != IP46_TYPE_IP4) &&
unformat(input, "%U", unformat_ip6_address, &ip46->ip6)) {
return 1;
}
return 0;
}
uword unformat_ip46_prefix (unformat_input_t * input, va_list * args)
{
ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
u8 *len = va_arg (*args, u8 *);
ip46_type_t type = va_arg (*args, ip46_type_t);
u32 l;
if ((type !=
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/*
* Copyright (c) 2018 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 <plugins/gbp/gbp.h>
#include <plugins/gbp/gbp_learn.h>
#include <plugins/gbp/gbp_bridge_domain.h>
#include <vlibmemory/api.h>
#include <vnet/util/throttle.h>
#include <vnet/l2/l2_input.h>
#include <vnet/fib/fib_table.h>
#include <vnet/vxlan-gbp/vxlan_gbp_packet.h>
/**
* Grouping of global data for the GBP source EPG classification feature
*/
typedef struct gbp_learn_main_t_
{
/**
* Next nodes for L2 output features
*/
u32 gl_l2_input_feat_next[32];
/**
* logger - VLIB log class
*/
vlib_log_class_t gl_logger;
/**
* throttles for the DP leanring
*/
throttle_t gl_l2_throttle;
throttle_t gl_l3_throttle;
} gbp_learn_main_t;
/**
* The maximum learning rate per-hashed EP
*/
#define GBP_ENDPOINT_HASH_LEARN_RATE (1e-2)
static gbp_learn_main_t gbp_learn_main;
#define GBP_LEARN_DBG(...) \
vlib_log_debug (gbp_learn_main.gl_logger, __VA_ARGS__);
#define foreach_gbp_learn \
_(DROP, "drop")
typedef enum
{
#define _(sym,str) GBP_LEARN_ERROR_##sym,
foreach_gbp_learn
#undef _
GBP_LEARN_N_ERROR,
} gbp_learn_error_t;
static char *gbp_learn_error_strings[] = {
#define _(sym,string) string,
foreach_gbp_learn
#undef _
};
typedef enum
{
#define _(sym,str) GBP_LEARN_NEXT_##sym,
foreach_gbp_learn
#undef _
GBP_LEARN_N_NEXT,
} gbp_learn_next_t;
typedef struct gbp_learn_l2_t_
{
ip46_address_t ip;
mac_address_t mac;
u32 sw_if_index;
u32 bd_index;
epg_id_t epg;
ip46_address_t outer_src;
ip46_address_t outer_dst;
} gbp_learn_l2_t;
static void
gbp_learn_l2_cp (const gbp_learn_l2_t * gl2)
{
ip46_address_t *ips = NULL;
GBP_LEARN_DBG ("L2 EP: %U %U, %d",
format_mac_address_t, &gl2->mac,
format_ip46_address, &gl2->ip, IP46_TYPE_ANY, gl2->epg);
vec_add1 (ips, gl2->ip);
ASSERT (!ip46_address_is_zero (&gl2->outer_src));
ASSERT (!ip46_address_is_zero (&gl2->outer_dst));
/*
* flip the source and dst, since that's how it was received, this API
* takes how it's sent
*/
gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_DP,
gl2->sw_if_index, ips,
&gl2->mac, INDEX_INVALID,
INDEX_INVALID, gl2->epg,
(GBP_ENDPOINT_FLAG_LEARNT |
GBP_ENDPOINT_FLAG_REMOTE),
&gl2->outer_dst, &gl2->outer_src, NULL);
vec_free (ips);
}
static void
gbp_learn_l2_ip4_dp (const u8 * mac, const ip4_address_t * ip,
u32 bd_index, u32 sw_if_index, epg_id_t epg,
const ip4_address_t * outer_src,
const ip4_address_t * outer_dst)
{
gbp_learn_l2_t gl2 = {
.sw_if_index = sw_if_index,
.bd_index = bd_index,
.epg = epg,
.ip.ip4 = *ip,
.outer_src.ip4 = *outer_src,
.outer_dst.ip4 = *outer_dst,
};
mac_address_from_bytes (&gl2.mac, mac);
ASSERT (!ip46_address_is_zero (&gl2.outer_src));
ASSERT (!ip46_address_is_zero (&gl2.outer_dst));
vl_api_rpc_call_main_thread (gbp_learn_l2_cp, (u8 *) & gl2, sizeof (gl2));
}
static void
gbp_learn_l2_ip6_dp (const u8 * mac, const ip6_address_t * ip,
u32 bd_index, u32 sw_if_index, epg_id_t epg,
const ip4_address_t * outer_src,
const ip4_address_t * outer_dst)
{
gbp_learn_l2_t gl2 = {
.sw_if_index = sw_if_index,
.bd_index = bd_index,
.epg = epg,
.ip.ip6 = *ip,
.outer_src.ip4 = *outer_src,
.outer_dst.ip4 = *outer_dst,
};
mac_address_from_bytes (&gl2.mac, mac);
vl_api_rpc_call_main_thread (gbp_learn_l2_cp, (u8 *) & gl2, sizeof (gl2));
}
static void
gbp_learn_l2_dp (const u8 * mac, u32 bd_index, u32 sw_if_index,
epg_id_t epg,
const ip4_address_t * outer_src,
const ip4_address_t * outer_dst)
{
gbp_learn_l2_t gl2 = {
.sw_if_index = sw_if_index,
.bd_index = bd_index,
.epg = epg,
.outer_src.ip4 = *outer_src,
.outer_dst.ip4 = *outer_dst,
};
mac_address_from_bytes (&gl2.mac, mac);
vl_api_rpc_call_main_thread (gbp_learn_l2_cp, (u8 *) & gl2, sizeof (gl2));
}
/**
* per-packet trace data
*/
typedef struct gbp_learn_l2_trace_t_
{
/* per-pkt trace data */
mac_address_t mac;
u32 sw_if_index;
u32 new;
u32 throttled;
u32 epg;
u32 d_bit;
} gbp_learn_l2_trace_t;
always_inline void
gbp_learn_get_outer (const ethernet_header_t * eh0,
ip4_address_t * outer_src, ip4_address_t * outer_dst)
{
ip4_header_t *ip0;
u8 *buff;
/* rewind back to the ivxlan header */
buff = (u8 *) eh0;
buff -= (sizeof (vxlan_gbp_header_t) +
sizeof (udp_header_t) + sizeof (ip4_header_t));
ip0 = (ip4_header_t *) buff;
*outer_src = ip0->src_address;
*outer_dst = ip0->dst_address;
}
static uword
gbp_learn_l2 (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
u32 n_left_from, *from, *to_next, next_index, thread_index, seed;
gbp_learn_main_t *glm;
f64 time_now;
glm = &gbp_learn_main;
next_index = 0;
n_left_from = frame->n_vectors;
from = vlib_frame_vector_args (frame);
time_now = vlib_time_now (vm);
thread_index = vm->thread_index;
seed = throttle_seed (&glm->gl_l2_throttle, thread_index, time_now);
while (n_left_from > 0)
{
u32 n_left_to_next;
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from > 0 && n_left_to_next > 0)
{
ip4_address_t outer_src, outer_dst;
u32 bi0, sw_if_index0, t0, epg0;
const ethernet_header_t *eh0;
gbp_bridge_domain_t *gb0;
gbp_learn_next_t next0;
gbp_endpoint_t *ge0;
vlib_buffer_t *b0;
next0 = GBP_LEARN_NEXT_DROP;
bi0 = from[0];
to_next[0] = bi0;
from += 1;
to_next += 1;
n_left_from -= 1;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
eh0 = vlib_buffer_get_current (b0);
epg0 = vnet_buffer2 (b0)->gbp.src_epg;
next0 = vnet_l2_feature_next (b0, glm->gl_l2_input_feat_next,
L2INPUT_FEAT_GBP_LEARN);
ge0 = gbp_endpoint_find_mac (eh0->src_address,
vnet_buffer (b0)->l2.bd_index);
gb0 =
gbp_bridge_domain_get_by_bd_index (vnet_buffer (b0)->l2.bd_index);
if ((vnet_buffer2 (b0)->gbp.flags & VXLAN_GBP_GPFLAGS_D) ||
(gb0->gb_flags & GBP_BD_FLAG_DO_NOT_LEARN))
{
t0 = 1;
goto trace;
}
/*
* check for new EP or a moved EP
*/
if (NULL == ge0 || ge0->ge_fwd.gef_itf != sw_if_index0)
{
/*
* use the last 4 bytes of the mac address as the hash for the EP
*/
t0 = throttle_check (&glm->gl_l2_throttle, thread_index,
*((u32 *) (eh0->src_address + 2)), seed);
if (!t0)
{
gbp_learn_get_outer (eh0, &outer_src, &outer_dst);
switch (clib_net_to_host_u16 (eh0->type))
{
case ETHERNET_TYPE_IP4:
{
const ip4_header_t *ip0;
ip0 = (ip4_header_t *) (eh0 + 1);
gbp_learn_l2_ip4_dp (eh0->src_address,
&ip0->src_address,
vnet_buffer (b0)->l2.bd_index,
sw_if_index0, epg0,
&outer_src, &outer_dst);
break;
}
case ETHERNET_TYPE_IP6:
{
const ip6_header_t *ip0;
ip0 = (ip6_header_t *) (eh0 + 1);
gbp_learn_l2_ip6_dp (eh0->src_address,
&ip0->src_address,
vnet_buffer (b0)->l2.bd_index,
sw_if_index0, epg0,
&outer_src, &outer_dst);
break;
}
default:
gbp_learn_l2_dp (eh0->src_address,
vnet_buffer (b0)->l2.bd_index,
sw_if_index0, epg0,
&outer_src, &outer_dst);
break;
}
}
}
else
{
/*
* this update could happen simultaneoulsy from multiple workers
* but that's ok we are not interested in being very accurate.
*/
t0 = 0;
ge0->ge_last_time = time_now;
}
trace:
if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
{
gbp_learn_l2_trace_t *t =
vlib_add_trace (vm, node, b0, sizeof (*t));
clib_memcpy_fast (t->mac.bytes, eh0->src_address, 6);
t->new = (NULL == ge0);
t->throttled = t0;
t->sw_if_index = sw_if_index0;
t->epg = epg0;
t->d_bit = ! !(vnet_buffer2 (b0)->gbp.flags &
VXLAN_GBP_GPFLAGS_D);
}
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
return frame->n_vectors;
}
/* packet trace format function */
static u8 *
format_gbp_learn_l2_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
gbp_learn_l2_trace_t *t = va_arg (*args, gbp_learn_l2_trace_t *);
s = format (s, "new:%d throttled:%d d-bit:%d mac:%U itf:%d epg:%d",
t->new, t->throttled, t->d_bit,
format_mac_address_t, &t->mac, t->sw_if_index, t->epg);
return s;
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (gbp_learn_l2_node) = {
.function = gbp_learn_l2,
.name = "gbp-learn-l2",
.vector_size = sizeof (u32),
.format_trace = format_gbp_learn_l2_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.n_errors = ARRAY_LEN(gbp_learn_error_strings),
.error_strings = gbp_learn_error_strings,
.n_next_nodes = GBP_LEARN_N_NEXT,
.next_nodes = {
[GBP_LEARN_NEXT_DROP] = "error-drop",
},
};
VLIB_NODE_FUNCTION_MULTIARCH (gbp_learn_l2_node, gbp_learn_l2);
/* *INDENT-ON* */
typedef struct gbp_learn_l3_t_
{
ip46_address_t ip;
u32 fib_index;
u32 sw_if_index;
epg_id_t epg;
ip46_address_t outer_src;
ip46_address_t outer_dst;
} gbp_learn_l3_t;
static void
gbp_learn_l3_cp (const gbp_learn_l3_t * gl3)
{
ip46_address_t *ips = NULL;
GBP_LEARN_DBG ("L3 EP: %U, %d", format_ip46_address, &gl3->ip,
IP46_TYPE_ANY, gl3->epg);
vec_add1 (ips, gl3->ip);
gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_DP,
gl3->sw_if_index, ips, NULL,
INDEX_INVALID, INDEX_INVALID, gl3->epg,
(GBP_ENDPOINT_FLAG_REMOTE |
GBP_ENDPOINT_FLAG_LEARNT),
&gl3->outer_dst, &gl3->outer_src, NULL);
vec_free (ips);
}
static void
gbp_learn_ip4_dp (const ip4_address_t * ip,
u32 fib_index, u32 sw_if_index, epg_id_t epg,
const ip4_address_t * outer_src,
const ip4_address_t * outer_dst)
{
/* *INDENT-OFF* */
gbp_learn_l3_t gl3 = {
.ip = {
.ip4 = *ip,
},
.sw_if_index = sw_if_index,
.fib_index = fib_index,
.epg = epg,
.outer_src.ip4 = *outer_src,
.outer_dst.ip4 = *outer_dst,
};
/* *INDENT-ON* */
vl_api_rpc_call_main_thread (gbp_learn_l3_cp, (u8 *) & gl3, sizeof (gl3));
}
static void
gbp_learn_ip6_dp (const ip6_address_t * ip,
u32 fib_index, u32 sw_if_index, epg_id_t epg,
const ip4_address_t * outer_src,
const ip4_address_t * outer_dst)
{
/* *INDENT-OFF* */
gbp_learn_l3_t gl3 = {
.ip = {
.ip6 = *ip,
},
.sw_if_index = sw_if_index,
.fib_index = fib_index,
.epg = epg,
.outer_src.ip4 = *outer_src,
.outer_dst.ip4 = *outer_dst,
};
/* *INDENT-ON* */
vl_api_rpc_call_main_thread (gbp_learn_l3_cp, (u8 *) & gl3, sizeof (gl3));
}
/**
* per-packet trace data
*/
typedef struct gbp_learn_l3_trace_t_
{
/* per-pkt trace data */
ip46_address_t ip;
u32 sw_if_index;
u32 new;
u32 throttled;
u32 epg;
} gbp_learn_l3_trace_t;
static uword
gbp_learn_l3 (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame,
fib_protocol_t fproto)
{
u32 n_left_from, *from, *to_next, next_index, thread_index, seed;
gbp_learn_main_t *glm;
f64 time_now;
glm = &gbp_learn_main;
next_index = 0;
n_left_from = frame->n_vectors;
from = vlib_frame_vector_args (frame);
time_now = vlib_time_now (vm);
thread_index = vm->thread_index;
seed = throttle_seed (&glm->gl_l3_throttle, thread_index, time_now);
while (n_left_from > 0)
{
u32 n_left_to_next;
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 bi0, sw_if_index0, t0, epg0, fib_index0;
CLIB_UNUSED (const ip4_header_t *) ip4_0;
CLIB_UNUSED (const ip6_header_t *) ip6_0;
ip4_address_t outer_src, outer_dst;
ethernet_header_t *eth0;
gbp_learn_next_t next0;
gbp_endpoint_t *ge0;
vlib_buffer_t *b0;
next0 = GBP_LEARN_NEXT_DROP;
bi0 = from[0];
to_next[0] = bi0;
from += 1;
to_next += 1;
n_left_from -= 1;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
epg0 = vnet_buffer2 (b0)->gbp.src_epg;
ip6_0 = NULL;
ip4_0 = NULL;
vnet_feature_next (&next0, b0);
if (vnet_buffer2 (b0)->gbp.flags & VXLAN_GBP_GPFLAGS_D)
{
t0 = 1;
ge0 = NULL;
goto trace;
}
fib_index0 = fib_table_get_index_for_sw_if_index (fproto,
sw_if_index0);
if (FIB_PROTOCOL_IP6 == fproto)
{
ip6_0 = vlib_buffer_get_current (b0);
eth0 = (ethernet_header_t *) (((u8 *) ip6_0) - sizeof (*eth0));
gbp_learn_get_outer (eth0, &outer_src, &outer_dst);
ge0 = gbp_endpoint_find_ip6 (&ip6_0->src_address, fib_index0);
if (NULL == ge0)
{
t0 = throttle_check (&glm->gl_l3_throttle,
thread_index,
ip6_address_hash_to_u32
(&ip6_0->src_address), seed);
if (!t0)
{
gbp_learn_ip6_dp (&ip6_0->src_address,
fib_index0, sw_if_index0, epg0,
&outer_src, &outer_dst);
}
}
else
{
/*
* this update could happen simultaneoulsy from multiple
* workers but that's ok we are not interested in being
* very accurate.
*/
t0 = 0;
ge0->ge_last_time = time_now;
}
}
else
{
ip4_0 = vlib_buffer_get_current (b0);
eth0 = (ethernet_header_t *) (((u8 *) ip4_0) - sizeof (*eth0));
gbp_learn_get_outer (eth0, &outer_src, &outer_dst);
ge0 = gbp_endpoint_find_ip4 (&ip4_0->src_address, fib_index0);
if (NULL == ge0)
{
t0 = throttle_check (&glm->gl_l3_throttle, thread_index,
ip4_0->src_address.as_u32, seed);
if (!t0)
{
gbp_learn_ip4_dp (&ip4_0->src_address,
fib_index0, sw_if_index0, epg0,
&outer_src, &outer_dst);
}
}
else
{
/*
* this update could happen simultaneoulsy from multiple
* workers but that's ok we are not interested in being
* very accurate.
*/
t0 = 0;
ge0->ge_last_time = time_now;
}
}
trace:
if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
{
gbp_learn_l3_trace_t *t;
t = vlib_add_trace (vm, node, b0, sizeof (*t));
if (FIB_PROTOCOL_IP6 == fproto && ip6_0)
ip46_address_set_ip6 (&t->ip, &ip6_0->src_address);
if (FIB_PROTOCOL_IP4 == fproto && ip4_0)
ip46_address_set_ip4 (&t->ip, &ip4_0->src_address);
t->new = (NULL == ge0);
t->throttled = t0;
t->sw_if_index = sw_if_index0;
t->epg = epg0;
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
return frame->n_vectors;
}
/* packet trace format function */
static u8 *
format_gbp_learn_l3_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
gbp_learn_l3_trace_t *t = va_arg (*args, gbp_learn_l3_trace_t *);
s = format (s, "new:%d throttled:%d ip:%U itf:%d epg:%d",
t->new, t->throttled,
format_ip46_address, &t->ip, IP46_TYPE_ANY, t->sw_if_index,
t->epg);
return s;
}
static uword
gbp_learn_ip4 (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
return (gbp_learn_l3 (vm, node, frame, FIB_PROTOCOL_IP4));
}
static uword
gbp_learn_ip6 (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
return (gbp_learn_l3 (vm, node, frame, FIB_PROTOCOL_IP6));
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (gbp_learn_ip4_node) = {
.function = gbp_learn_ip4,
.name = "gbp-learn-ip4",
.vector_size = sizeof (u32),
.format_trace = format_gbp_learn_l3_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
};
VLIB_NODE_FUNCTION_MULTIARCH (gbp_learn_ip4_node, gbp_learn_ip4);
VNET_FEATURE_INIT (gbp_learn_ip4, static) =
{
.arc_name = "ip4-unicast",
.node_name = "gbp-learn-ip4",
};
VLIB_REGISTER_NODE (gbp_learn_ip6_node) = {
.function = gbp_learn_ip6,
.name = "gbp-learn-ip6",
.vector_size = sizeof (u32),
.format_trace = format_gbp_learn_l3_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
};
VLIB_NODE_FUNCTION_MULTIARCH (gbp_learn_ip6_node, gbp_learn_ip6);
VNET_FEATURE_INIT (gbp_learn_ip6, static) =
{
.arc_name = "ip6-unicast",
.node_name = "gbp-learn-ip6",
};
/* *INDENT-ON* */
void
gbp_learn_enable (u32 sw_if_index, gbb_learn_mode_t mode)
{
if (GBP_LEARN_MODE_L2 == mode)
l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_GBP_LEARN, 1);
else
{
vnet_feature_enable_disable ("ip4-unicast",
"gbp-learn-ip4", sw_if_index, 1, 0, 0);
vnet_feature_enable_disable ("ip6-unicast",
"gbp-learn-ip6", sw_if_index, 1, 0, 0);
}
}
void
gbp_learn_disable (u32 sw_if_index, gbb_learn_mode_t mode)
{
if (GBP_LEARN_MODE_L2 == mode)
l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_GBP_LEARN, 0);
else
{
vnet_feature_enable_disable ("ip4-unicast",
"gbp-learn-ip4", sw_if_index, 0, 0, 0);
vnet_feature_enable_disable ("ip6-unicast",
"gbp-learn-ip6", sw_if_index, 0, 0, 0);
}
}
static clib_error_t *
gbp_learn_init (vlib_main_t * vm)
{
gbp_learn_main_t *glm = &gbp_learn_main;
vlib_thread_main_t *tm = &vlib_thread_main;
/* Initialize the feature next-node indices */
feat_bitmap_init_next_nodes (vm,
gbp_learn_l2_node.index,
L2INPUT_N_FEAT,
l2input_get_feat_names (),
glm->gl_l2_input_feat_next);
throttle_init (&glm->gl_l2_throttle,
tm->n_vlib_mains, GBP_ENDPOINT_HASH_LEARN_RATE);
throttle_init (&glm->gl_l3_throttle,
tm->n_vlib_mains, GBP_ENDPOINT_HASH_LEARN_RATE);
glm->gl_logger = vlib_log_register_class ("gbp", "learn");
return 0;
}
VLIB_INIT_FUNCTION (gbp_learn_init);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/