diff options
Diffstat (limited to 'src/vnet/lldp/lldp_cli.c')
| -rw-r--r-- | src/vnet/lldp/lldp_cli.c | 731 |
1 files changed, 0 insertions, 731 deletions
diff --git a/src/vnet/lldp/lldp_cli.c b/src/vnet/lldp/lldp_cli.c deleted file mode 100644 index 5f63e4a2e4f..00000000000 --- a/src/vnet/lldp/lldp_cli.c +++ /dev/null @@ -1,731 +0,0 @@ -/* - * Copyright (c) 2011-2016 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. - */ - -/** - * @file - * @brief LLDP CLI handling - * - */ -#include <vnet/ethernet/ethernet.h> -#include <vnet/lisp-cp/lisp_types.h> -#include <vnet/lldp/lldp.h> -#include <vnet/lldp/lldp_node.h> - -#ifndef ETHER_ADDR_LEN -#include <net/ethernet.h> -#endif - -static clib_error_t * -lldp_cfg_err_to_clib_err (lldp_cfg_err_t e) -{ - - switch (e) - { - case lldp_ok: - return 0; - case lldp_not_supported: - return clib_error_return (0, "not supported"); - case lldp_invalid_arg: - return clib_error_return (0, "invalid argument"); - } - return 0; -} - -lldp_cfg_err_t -lldp_cfg_intf_set (u32 hw_if_index, u8 ** port_desc, u8 ** mgmt_ip4, - u8 ** mgmt_ip6, u8 ** mgmt_oid, int enable) -{ - lldp_main_t *lm = &lldp_main; - vnet_main_t *vnm = lm->vnet_main; - ethernet_main_t *em = ðernet_main; - const vnet_hw_interface_t *hi; - const ethernet_interface_t *eif; - - if (pool_is_free_index (vnm->interface_main.hw_interfaces, hw_if_index)) - { - return lldp_invalid_arg; - } - - hi = vnet_get_hw_interface (vnm, hw_if_index); - eif = ethernet_get_interface (em, hw_if_index); - if (!eif) - { - return lldp_not_supported; - } - - if (enable) - { - lldp_intf_t *n = lldp_get_intf (lm, hw_if_index); - if (n) - { - /* already enabled */ - return lldp_ok; - } - n = lldp_create_intf (lm, hw_if_index); - - if (port_desc && *port_desc) - { - n->port_desc = *port_desc; - *port_desc = NULL; - } - - if (mgmt_ip4 && *mgmt_ip4) - { - n->mgmt_ip4 = *mgmt_ip4; - *mgmt_ip4 = NULL; - } - - if (mgmt_ip6 && *mgmt_ip6) - { - n->mgmt_ip6 = *mgmt_ip6; - *mgmt_ip6 = NULL; - } - - if (mgmt_oid && *mgmt_oid) - { - n->mgmt_oid = *mgmt_oid; - *mgmt_oid = NULL; - } - - const vnet_sw_interface_t *sw = - vnet_get_sw_interface (lm->vnet_main, hi->sw_if_index); - if (sw->flags & (VNET_SW_INTERFACE_FLAG_ADMIN_UP)) - { - lldp_schedule_intf (lm, n); - } - } - else - { - lldp_intf_t *n = lldp_get_intf (lm, hi->sw_if_index); - lldp_delete_intf (lm, n); - } - - return lldp_ok; -} - -static clib_error_t * -lldp_intf_cmd (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - lldp_main_t *lm = &lldp_main; - vnet_main_t *vnm = lm->vnet_main; - u32 sw_if_index = (u32) ~ 0; - int enable = 1; - u8 *port_desc = NULL; - u8 *mgmt_ip4 = NULL, *mgmt_ip6 = NULL, *mgmt_oid = NULL; - ip4_address_t ip4_addr; - ip6_address_t ip6_addr; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "sw_if_index %d", &sw_if_index)) - ; - if (unformat - (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)) - ; - else if (unformat (input, "disable")) - enable = 0; - else if (unformat (input, "port-desc %s", &port_desc)) - ; - else - if (unformat (input, "mgmt-ip4 %U", unformat_ip4_address, &ip4_addr)) - { - vec_validate (mgmt_ip4, sizeof (ip4_address_t) - 1); - clib_memcpy (mgmt_ip4, &ip4_addr, vec_len (mgmt_ip4)); - } - else - if (unformat (input, "mgmt-ip6 %U", unformat_ip6_address, &ip6_addr)) - { - vec_validate (mgmt_ip6, sizeof (ip6_address_t) - 1); - clib_memcpy (mgmt_ip6, &ip6_addr, vec_len (mgmt_ip6)); - } - else if (unformat (input, "mgmt-oid %s", &mgmt_oid)) - ; - else - break; - } - - if (sw_if_index == (u32) ~ 0) - return clib_error_return (0, "Interface name is invalid!"); - - return lldp_cfg_err_to_clib_err (lldp_cfg_intf_set (sw_if_index, - &port_desc, &mgmt_ip4, - &mgmt_ip6, &mgmt_oid, - enable)); -} - -lldp_cfg_err_t -lldp_cfg_set (u8 ** host, int hold_time, int tx_interval) -{ - lldp_main_t *lm = &lldp_main; - int reschedule = 0; - - if (host && *host) - { - vec_free (lm->sys_name); - lm->sys_name = *host; - *host = NULL; - } - - if (hold_time) - { - if (hold_time < LLDP_MIN_TX_HOLD || hold_time > LLDP_MAX_TX_HOLD) - { - return lldp_invalid_arg; - } - if (lm->msg_tx_hold != hold_time) - { - lm->msg_tx_hold = hold_time; - reschedule = 1; - } - } - - if (tx_interval) - { - if (tx_interval < LLDP_MIN_TX_INTERVAL || - tx_interval > LLDP_MAX_TX_INTERVAL) - { - return lldp_invalid_arg; - } - if (lm->msg_tx_interval != tx_interval) - { - reschedule = 1; - lm->msg_tx_interval = tx_interval; - } - } - - if (reschedule) - { - vlib_process_signal_event (lm->vlib_main, lm->lldp_process_node_index, - LLDP_EVENT_RESCHEDULE, 0); - } - - return lldp_ok; -} - -static clib_error_t * -lldp_cfg_cmd (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - int hold_time = 0; - int tx_interval = 0; - u8 *host = NULL; - clib_error_t *ret = NULL; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "system-name %s", &host)) - { - } - else if (unformat (input, "tx-hold %d", &hold_time)) - { - if (hold_time < LLDP_MIN_TX_HOLD || hold_time > LLDP_MAX_TX_HOLD) - { - ret = - clib_error_return (0, - "invalid tx-hold `%d' (out of range <%d,%d>)", - hold_time, LLDP_MIN_TX_HOLD, - LLDP_MAX_TX_HOLD); - goto out; - } - } - else if (unformat (input, "tx-interval %d", &tx_interval)) - { - if (tx_interval < LLDP_MIN_TX_INTERVAL || - tx_interval > LLDP_MAX_TX_INTERVAL) - { - ret = - clib_error_return (0, - "invalid tx-interval `%d' (out of range <%d,%d>)", - tx_interval, LLDP_MIN_TX_INTERVAL, - LLDP_MAX_TX_INTERVAL); - goto out; - } - } - else - { - break; - } - } - ret = - lldp_cfg_err_to_clib_err (lldp_cfg_set (&host, hold_time, tx_interval)); -out: - vec_free (host); - return ret; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND(set_interface_lldp_cmd, static) = { - .path = "set interface lldp", - .short_help = "set interface lldp <interface> | sw_if_index <idx>" - " [port-desc <string>] [mgmt-ip4 <string>]" - " [mgmt-ip6 <string>] [mgmt-oid <string>] [disable]", - .function = lldp_intf_cmd, -}; - -VLIB_CLI_COMMAND(set_lldp_cmd, static) = { - .path = "set lldp", - .short_help = "set lldp [system-name <string>] [tx-hold <value>] " - "[tx-interval <value>]", - .function = lldp_cfg_cmd, -}; -/* *INDENT-ON* */ - -static const char * -lldp_chassis_id_subtype_str (lldp_chassis_id_subtype_t t) -{ - switch (t) - { -#define F(num, val, str) \ - case num: \ - return str; - foreach_chassis_id_subtype (F) -#undef F - } - return "unknown chassis subtype"; -} - -static const char * -lldp_port_id_subtype_str (lldp_port_id_subtype_t t) -{ - switch (t) - { -#define F(num, val, str) \ - case num: \ - return str; - foreach_port_id_subtype (F) -#undef F - } - return "unknown port subtype"; -} - -/* - * format port id subtype&value - * - * @param va - 1st argument - unsigned - port id subtype - * @param va - 2nd argument - u8* - port id - * @param va - 3rd argument - unsigned - port id length - * @param va - 4th argument - int - 1 for detailed output, 0 for simple - */ -u8 * -format_lldp_port_id (u8 * s, va_list * va) -{ - const lldp_port_id_subtype_t subtype = va_arg (*va, unsigned); - const u8 *id = va_arg (*va, u8 *); - const unsigned len = va_arg (*va, unsigned); - const int detail = va_arg (*va, int); - if (!id) - { - return s; - } - switch (subtype) - { - case LLDP_PORT_ID_SUBTYPE_NAME (intf_alias): - /* fallthrough */ - case LLDP_PORT_ID_SUBTYPE_NAME (port_comp): - /* fallthrough */ - case LLDP_PORT_ID_SUBTYPE_NAME (local): - /* fallthrough */ - case LLDP_PORT_ID_SUBTYPE_NAME (intf_name): - if (detail) - { - s = format (s, "%U(%s)", format_ascii_bytes, id, len, - lldp_port_id_subtype_str (subtype)); - } - else - { - s = format (s, "%U", format_ascii_bytes, id, len); - } - break; - case LLDP_PORT_ID_SUBTYPE_NAME (mac_addr): - if (ETHER_ADDR_LEN == len) - { - if (detail) - { - s = format (s, "%U(%s)", format_mac_address, id, - lldp_port_id_subtype_str (subtype)); - } - else - { - s = format (s, "%U", format_mac_address, id); - } - break; - } - /* fallthrough */ - case LLDP_PORT_ID_SUBTYPE_NAME (net_addr): - /* TODO */ - /* fallthrough */ - default: - if (detail) - { - s = format (s, "%U(%s)", format_hex_bytes, id, len, - lldp_port_id_subtype_str (subtype)); - } - else - { - s = format (s, "%U", format_hex_bytes, id, len); - } - break; - } - return s; -} - -/* - * format chassis id subtype&value - * - * @param s format string - * @param va - 1st argument - unsigned - chassis id subtype - * @param va - 2nd argument - u8* - chassis id - * @param va - 3rd argument - unsigned - chassis id length - * @param va - 4th argument - int - 1 for detailed output, 0 for simple - */ -u8 * -format_lldp_chassis_id (u8 * s, va_list * va) -{ - const lldp_chassis_id_subtype_t subtype = - va_arg (*va, lldp_chassis_id_subtype_t); - const u8 *id = va_arg (*va, u8 *); - const unsigned len = va_arg (*va, unsigned); - const int detail = va_arg (*va, int); - if (!id) - { - return s; - } - switch (subtype) - { - case LLDP_CHASS_ID_SUBTYPE_NAME (chassis_comp): - /* fallthrough */ - case LLDP_CHASS_ID_SUBTYPE_NAME (intf_alias): - /* fallthrough */ - case LLDP_CHASS_ID_SUBTYPE_NAME (port_comp): - /* fallthrough */ - case LLDP_PORT_ID_SUBTYPE_NAME (local): - /* fallthrough */ - case LLDP_CHASS_ID_SUBTYPE_NAME (intf_name): - if (detail) - { - s = format (s, "%U(%s)", format_ascii_bytes, id, len, - lldp_chassis_id_subtype_str (subtype)); - } - else - { - s = format (s, "%U", format_ascii_bytes, id, len); - } - break; - case LLDP_CHASS_ID_SUBTYPE_NAME (mac_addr): - if (ETHER_ADDR_LEN == len) - { - if (detail) - { - s = format (s, "%U(%s)", format_mac_address, id, - lldp_chassis_id_subtype_str (subtype)); - } - else - { - s = format (s, "%U", format_mac_address, id); - } - break; - } - /* fallthrough */ - case LLDP_CHASS_ID_SUBTYPE_NAME (net_addr): - /* TODO */ - default: - if (detail) - { - s = format (s, "%U(%s)", format_hex_bytes, id, len, - lldp_chassis_id_subtype_str (subtype)); - } - else - { - s = format (s, "%U", format_hex_bytes, id, len); - } - break; - } - return s; -} - -/* - * convert a tlv code to human-readable string - */ -static const char * -lldp_tlv_code_str (lldp_tlv_code_t t) -{ - switch (t) - { -#define F(n, t, s) \ - case n: \ - return s; - foreach_lldp_tlv_type (F) -#undef F - } - return "unknown lldp tlv"; -} - -/* - * format a single LLDP TLV - * - * @param s format string - * @param va variable list - pointer to lldp_tlv_t is expected - */ -u8 * -format_lldp_tlv (u8 * s, va_list * va) -{ - const lldp_tlv_t *tlv = va_arg (*va, lldp_tlv_t *); - if (!tlv) - { - return s; - } - u16 l = lldp_tlv_get_length (tlv); - switch (lldp_tlv_get_code (tlv)) - { - case LLDP_TLV_NAME (chassis_id): - s = format (s, "%U", format_lldp_chassis_id, - ((lldp_chassis_id_tlv_t *) tlv)->subtype, - ((lldp_chassis_id_tlv_t *) tlv)->id, - l - STRUCT_SIZE_OF (lldp_chassis_id_tlv_t, subtype), 1); - break; - case LLDP_TLV_NAME (port_id): - s = format (s, "%U", format_lldp_port_id, - ((lldp_port_id_tlv_t *) tlv)->subtype, - ((lldp_port_id_tlv_t *) tlv)->id, - l - STRUCT_SIZE_OF (lldp_port_id_tlv_t, subtype), 1); - break; - case LLDP_TLV_NAME (ttl): - s = format (s, "%d", ntohs (((lldp_ttl_tlv_t *) tlv)->ttl)); - break; - case LLDP_TLV_NAME (sys_name): - /* fallthrough */ - case LLDP_TLV_NAME (sys_desc): - s = format (s, "%U", format_ascii_bytes, tlv->v, l); - break; - default: - s = format (s, "%U", format_hex_bytes, tlv->v, l); - } - - return s; -} - -static u8 * -format_time_ago (u8 * s, va_list * va) -{ - f64 ago = va_arg (*va, double); - f64 now = va_arg (*va, double); - if (ago < 0.01) - { - return format (s, "never"); - } - return format (s, "%.1fs ago", now - ago); -} - -static u8 * -format_lldp_intfs_detail (u8 * s, vlib_main_t * vm, const lldp_main_t * lm) -{ - vnet_main_t *vnm = &vnet_main; - const lldp_intf_t *n; - const vnet_hw_interface_t *hw; - const vnet_sw_interface_t *sw; - s = format (s, "LLDP configuration:\n"); - if (lm->sys_name) - { - s = format (s, "Configured system name: %U\n", format_ascii_bytes, - lm->sys_name, vec_len (lm->sys_name)); - } - - s = format (s, "Configured tx-hold: %d\n", (int) lm->msg_tx_hold); - s = format (s, "Configured tx-interval: %d\n", (int) lm->msg_tx_interval); - s = format (s, "\nLLDP-enabled interface table:\n"); - f64 now = vlib_time_now (vm); - - /* *INDENT-OFF* */ - pool_foreach( - n, lm->intfs, ({ - hw = vnet_get_hw_interface(vnm, n->hw_if_index); - sw = vnet_get_sw_interface(lm->vnet_main, hw->sw_if_index); - - s = format(s, "\nLocal Interface name: %s\n" - "Local Port Description: %s\n", - hw->name, n->port_desc); - if (n->mgmt_ip4) - { - s = format (s, "Local Management address: %U\n", - format_ip4_address, n->mgmt_ip4, vec_len (n->mgmt_ip4)); - } - - if (n->mgmt_ip6) - { - s = format (s, "Local Management address IPV6: %U\n", - format_ip6_address, n->mgmt_ip6, vec_len (n->mgmt_ip6)); - } - - if (n->mgmt_oid) - { - s = format (s, "Local Management address OID: %U\n", - format_ascii_bytes, n->mgmt_oid, vec_len (n->mgmt_oid)); - } - - /* Interface shutdown */ - if (!(sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)) - { - s = format(s, "Interface/peer state: interface down\n" - "Last packet sent: %U\n", - format_time_ago, n->last_sent, now); - } - else if (now < n->last_heard + n->ttl) - { - s = format(s, - "Interface/peer state: active\n" - "Peer chassis ID: %U\nRemote port ID: %U\n" - "Last packet sent: %U\nLast packet received: %U\n", - format_lldp_chassis_id, n->chassis_id_subtype, - n->chassis_id, vec_len(n->chassis_id), 1, - format_lldp_port_id, n->port_id_subtype, n->port_id, - vec_len(n->port_id), 1, format_time_ago, n->last_sent, - now, format_time_ago, n->last_heard, now); - } - else - { - s = format(s, - "Interface/peer state: inactive(timeout)\n" - "Last known peer chassis ID: %U\n" - "Last known peer port ID: %U\nLast packet sent: %U\n" - "Last packet received: %U\n", - format_lldp_chassis_id, n->chassis_id_subtype, - n->chassis_id, vec_len(n->chassis_id), 1, - format_lldp_port_id, n->port_id_subtype, n->port_id, - vec_len(n->port_id), 1, format_time_ago, n->last_sent, - now, format_time_ago, n->last_heard, now); - } - })); - /* *INDENT-ON* */ - return s; -} - -static u8 * -format_lldp_intfs (u8 * s, va_list * va) -{ - vlib_main_t *vm = va_arg (*va, vlib_main_t *); - const lldp_main_t *lm = va_arg (*va, lldp_main_t *); - const int detail = va_arg (*va, int); - vnet_main_t *vnm = &vnet_main; - const lldp_intf_t *n; - - if (detail) - { - return format_lldp_intfs_detail (s, vm, lm); - } - - f64 now = vlib_time_now (vm); - s = format (s, "%-25s %-25s %-25s %=15s %=15s %=10s\n", "Local interface", - "Peer chassis ID", "Remote port ID", "Last heard", "Last sent", - "Status"); - - /* *INDENT-OFF* */ - pool_foreach( - n, lm->intfs, ({ - const vnet_hw_interface_t *hw = - vnet_get_hw_interface(vnm, n->hw_if_index); - const vnet_sw_interface_t *sw = - vnet_get_sw_interface(lm->vnet_main, hw->sw_if_index); - /* Interface shutdown */ - if (!(sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)) - continue; - if (now < n->last_heard + n->ttl) - { - s = format(s, "%-25s %-25U %-25U %=15U %=15U %=10s\n", hw->name, - format_lldp_chassis_id, n->chassis_id_subtype, - n->chassis_id, vec_len(n->chassis_id), 0, - format_lldp_port_id, n->port_id_subtype, n->port_id, - vec_len(n->port_id), 0, format_time_ago, n->last_heard, - now, format_time_ago, n->last_sent, now, "active"); - } - else - { - s = format(s, "%-25s %-25s %-25s %=15U %=15U %=10s\n", hw->name, - "", "", format_time_ago, n->last_heard, now, - format_time_ago, n->last_sent, now, "inactive"); - } - })); - /* *INDENT-ON* */ - return s; -} - -static clib_error_t * -show_lldp (vlib_main_t * vm, unformat_input_t * input, - CLIB_UNUSED (vlib_cli_command_t * lmd)) -{ - lldp_main_t *lm = &lldp_main; - - if (unformat (input, "detail")) - { - vlib_cli_output (vm, "%U\n", format_lldp_intfs, vm, lm, 1); - } - else - { - vlib_cli_output (vm, "%U\n", format_lldp_intfs, vm, lm, 0); - } - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND(show_lldp_command, static) = { - .path = "show lldp", - .short_help = "show lldp [detail]", - .function = show_lldp, -}; -/* *INDENT-ON* */ - -/* - * packet trace format function, very similar to - * lldp_packet_scan except that we call the per TLV format - * functions instead of the per TLV processing functions - */ -u8 * -lldp_input_format_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 *); - const lldp_input_trace_t *t = va_arg (*args, lldp_input_trace_t *); - const u8 *cur; - const lldp_tlv_t *tlv; - cur = t->data; - while (((cur + lldp_tlv_get_length ((lldp_tlv_t *) cur)) < - t->data + t->len)) - { - tlv = (lldp_tlv_t *) cur; - if (cur == t->data) - { - s = format (s, "TLV #%d(%s): %U\n", lldp_tlv_get_code (tlv), - lldp_tlv_code_str (lldp_tlv_get_code (tlv)), - format_lldp_tlv, tlv); - } - else - { - s = format (s, " TLV #%d(%s): %U\n", lldp_tlv_get_code (tlv), - lldp_tlv_code_str (lldp_tlv_get_code (tlv)), - format_lldp_tlv, tlv); - } - cur += STRUCT_SIZE_OF (lldp_tlv_t, head) + lldp_tlv_get_length (tlv); - } - - return s; -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |