diff options
Diffstat (limited to 'hicn-plugin/src/strategies/strategy_mw_cli.c')
| -rw-r--r-- | hicn-plugin/src/strategies/strategy_mw_cli.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/hicn-plugin/src/strategies/strategy_mw_cli.c b/hicn-plugin/src/strategies/strategy_mw_cli.c new file mode 100644 index 000000000..636d7effa --- /dev/null +++ b/hicn-plugin/src/strategies/strategy_mw_cli.c @@ -0,0 +1,142 @@ +/* + * Copyright (c) 2017-2020 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/dpo/dpo.h> +#include <vlib/vlib.h> +#include <vnet/fib/fib_entry.h> +#include <vnet/fib/fib_table.h> + +#include "../strategy_dpo_manager.h" +#include "../faces/face.h" +#include "../error.h" +#include "../route.h" +#include "dpo_mw.h" + +static clib_error_t * +hicn_mw_strategy_cli_set_weight_command_fn (vlib_main_t * vm, + unformat_input_t * main_input, + vlib_cli_command_t * cmd) +{ + clib_error_t *cl_err = 0; + int ret = HICN_ERROR_NONE; + fib_prefix_t prefix; + hicn_face_id_t faceid = HICN_FACE_NULL; + u32 fib_index; + u32 weight = HICN_PARAM_FIB_ENTRY_NHOP_WGHT_DFLT; + hicn_dpo_ctx_t *hicn_dpo_ctx; + const dpo_id_t *hicn_dpo_id; + + /* Get a line of input. */ + unformat_input_t _line_input, *line_input = &_line_input; + if (unformat_user (main_input, unformat_line_input, line_input)) + { + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "prefix %U/%u", unformat_ip46_address, + &prefix.fp_addr, IP46_TYPE_ANY, &prefix.fp_len)) + ; + else if (unformat (line_input, "face %u", &faceid)) + ; + else if (unformat (line_input, "weight %u", &weight)) + ; + else + { + return clib_error_return (0, "%s", + get_error_string + (HICN_ERROR_CLI_INVAL)); + } + + } + } + + if (((weight < 0) || (weight > HICN_PARAM_FIB_ENTRY_NHOP_WGHT_MAX))) + { + cl_err = clib_error_return (0, + "Next-hop weight must be between 0 and %d", + (int) HICN_PARAM_FIB_ENTRY_NHOP_WGHT_MAX); + goto done; + } + + if (((ip46_address_is_zero (&prefix.fp_addr)) || faceid == HICN_FACE_NULL)) + { + cl_err = + clib_error_return (0, "Please specify prefix and a valid faceid..."); + goto done; + } + + prefix.fp_proto = + ip46_address_is_ip4 (&prefix. + fp_addr) ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; + ret = hicn_route_get_dpo (&prefix, &hicn_dpo_id, &fib_index); + + if (ret == HICN_ERROR_NONE) + { + hicn_dpo_ctx = hicn_strategy_dpo_ctx_get (hicn_dpo_id->dpoi_index); + + if (hicn_dpo_ctx == NULL + || hicn_dpo_id->dpoi_type != hicn_dpo_strategy_mw_get_type ()) + { + cl_err = clib_error_return (0, get_error_string (ret)); + goto done; + } + + hicn_strategy_mw_ctx_t *mw_dpo = + (hicn_strategy_mw_ctx_t *) hicn_dpo_ctx; + int idx = ~0; + for (int i = 0; i < hicn_dpo_ctx->entry_count; i++) + if (hicn_dpo_ctx->next_hops[i] == faceid) + idx = i; + + if (idx == ~0) + { + cl_err = + clib_error_return (0, + get_error_string + (HICN_ERROR_STRATEGY_NH_NOT_FOUND)); + goto done; + } + + mw_dpo->weight[idx] = weight; + } + else + { + cl_err = clib_error_return (0, get_error_string (ret)); + + } + +done: + + return (cl_err); + +} + +/* cli declaration for 'strategy mw' */ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND(hicn_mw_strategy_cli_set_weight_command, static)= +{ + .path = "hicn strategy mw set", + .short_help = "hicn strategy mw set prefix <prefix> face <face_id> weight <weight>", + .function = hicn_mw_strategy_cli_set_weight_command_fn, +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |