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/*
* 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 <lb/lb.h>
#include <lb/util.h>
static clib_error_t *
lb_vip_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
ip46_address_t prefix;
u8 plen;
u32 new_len = 1024;
u8 del = 0;
int ret;
u32 gre4 = 0;
lb_vip_type_t type;
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
if (!unformat(line_input, "%U", unformat_ip46_prefix, &prefix, &plen, IP46_TYPE_ANY, &plen))
return clib_error_return (0, "invalid vip prefix: '%U'",
format_unformat_error, line_input);
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat(line_input, "new_len %d", &new_len))
;
else if (unformat(line_input, "del"))
del = 1;
else if (unformat(line_input, "encap gre4"))
gre4 = 1;
else if (unformat(line_input, "encap gre6"))
gre4 = 0;
else
return clib_error_return (0, "parse error: '%U'",
format_unformat_error, line_input);
}
unformat_free (line_input);
if (ip46_prefix_is_ip4(&prefix, plen)) {
type = (gre4)?LB_VIP_TYPE_IP4_GRE4:LB_VIP_TYPE_IP4_GRE6;
} else {
type = (gre4)?LB_VIP_TYPE_IP6_GRE4:LB_VIP_TYPE_IP6_GRE6;
}
lb_garbage_collection();
u32 index;
if (!del) {
if ((ret = lb_vip_add(&prefix, plen, type, new_len, &index))) {
return clib_error_return (0, "lb_vip_add error %d", ret);
} else {
vlib_cli_output(vm, "lb_vip_add ok %d", index);
}
} else {
if ((ret = lb_vip_find_index(&prefix, plen, &index)))
return clib_error_return (0, "lb_vip_find_index error %d", ret);
else if ((ret = lb_vip_del(index)))
return clib_error_return (0, "lb_vip_del error %d", ret);
}
return NULL;
}
VLIB_CLI_COMMAND (lb_vip_command, static) =
{
.path = "lb vip",
.short_help = "lb vip <prefix> [encap (gre6|gre4)] [new_len <n>] [del]",
.function = lb_vip_command_fn,
};
static clib_error_t *
lb_as_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
ip46_address_t vip_prefix, as_addr;
u8 vip_plen;
ip46_address_t *as_array = 0;
u32 vip_index;
u8 del = 0;
int ret;
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
if (!unformat(line_input, "%U", unformat_ip46_prefix, &vip_prefix, &vip_plen, IP46_TYPE_ANY))
return clib_error_return (0, "invalid as address: '%U'",
format_unformat_error, line_input);
if ((ret = lb_vip_find_index(&vip_prefix, vip_plen, &vip_index)))
return clib_error_return (0, "lb_vip_find_index error %d", ret);
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat(line_input, "%U", unformat_ip46_address, &as_addr, IP46_TYPE_ANY)) {
vec_add1(as_array, as_addr);
} else if (unformat(line_input, "del")) {
del = 1;
} else {
vec_free(as_array);
return clib_error_return (0, "parse error: '%U'",
format_unformat_error, line_input);
}
}
if (!vec_len(as_array)) {
vec_free(as_array);
return clib_error_return (0, "No AS address provided");
}
lb_garbage_collection();
clib_warning("vip index is %d", vip_index);
if (del) {
if ((ret = lb_vip_del_ass(vip_index, as_array, vec_len(as_array)))) {
vec_free(as_array);
return clib_error_return (0, "lb_vip_del_ass error %d", ret);
}
} else {
if ((ret = lb_vip_add_ass(vip_index, as_array, vec_len(as_array)))) {
vec_free(as_array);
return clib_error_return (0, "lb_vip_add_ass error %d", ret);
}
}
vec_free(as_array);
return 0;
}
VLIB_CLI_COMMAND (lb_as_command, static) =
{
.path = "lb as",
.short_help = "lb as <vip-prefix> [<address> [<address> [...]]] [del]",
.function = lb_as_command_fn,
};
static clib_error_t *
lb_conf_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
lb_main_t *lbm = &lb_main;
unformat_input_t _line_input, *line_input = &_line_input;
ip4_address_t ip4 = lbm->ip4_src_address;
ip6_address_t ip6 = lbm->ip6_src_address;
u32 per_cpu_sticky_buckets = lbm->per_cpu_sticky_buckets;
u32 per_cpu_sticky_buckets_log2 = 0;
u32 flow_timeout = lbm->flow_timeout;
int ret;
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat(line_input, "ip4-src-address %U", unformat_ip4_address, &ip4))
;
else if (unformat(line_input, "ip6-src-address %U", unformat_ip6_address, &ip6))
;
else if (unformat(line_input, "buckets %d", &per_cpu_sticky_buckets))
;
else if (unformat(line_input, "buckets-log2 %d", &per_cpu_sticky_buckets_log2)) {
if (per_cpu_sticky_buckets_log2 >= 32)
return clib_error_return (0, "buckets-log2 value is too high");
per_cpu_sticky_buckets = 1 << per_cpu_sticky_buckets_log2;
} else if (unformat(line_input, "timeout %d", &flow_timeout))
;
else
return clib_error_return (0, "parse error: '%U'",
format_unformat_error, line_input);
}
unformat_free (line_input);
lb_garbage_collection();
if ((ret = lb_conf(&ip4, &ip6, per_cpu_sticky_buckets, flow_timeout)))
return clib_error_return (0, "lb_conf error %d", ret);
return NULL;
}
VLIB_CLI_COMMAND (lb_conf_command, static) =
{
.path = "lb conf",
.short_help = "lb conf [ip4-src-address <addr>] [ip6-src-address <addr>] [buckets <n>] [timeout <s>]",
.function = lb_conf_command_fn,
};
static clib_error_t *
lb_show_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
vlib_cli_output(vm, "%U", format_lb_main);
return NULL;
}
VLIB_CLI_COMMAND (lb_show_command, static) =
{
.path = "show lb",
.short_help = "show lb",
.function = lb_show_command_fn,
};
static clib_error_t *
lb_show_vips_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
unformat_input_t line_input;
lb_main_t *lbm = &lb_main;
lb_vip_t *vip;
u8 verbose = 0;
if (!unformat_user (input, unformat_line_input, &line_input))
return 0;
if (unformat(&line_input, "verbose"))
verbose = 1;
pool_foreach(vip, lbm->vips, {
vlib_cli_output(vm, "%U\n", verbose?format_lb_vip_detailed:format_lb_vip, vip);
});
unformat_free (&line_input);
return NULL;
}
VLIB_CLI_COMMAND (lb_show_vips_command, static) =
{
.path = "show lb vips",
.short_help = "show lb vips [verbose]",
.function = lb_show_vips_command_fn,
};
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