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Diffstat (limited to '')
-rw-r--r-- | eigrpd/eigrp_dump.c | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/eigrpd/eigrp_dump.c b/eigrpd/eigrp_dump.c new file mode 100644 index 0000000..e1ad51a --- /dev/null +++ b/eigrpd/eigrp_dump.c @@ -0,0 +1,580 @@ +/* + * EIGRP Dump Functions and Debugging. + * Copyright (C) 2013-2014 + * Authors: + * Donnie Savage + * Jan Janovic + * Matej Perina + * Peter Orsag + * Peter Paluch + * + * This file is part of GNU Zebra. + * + * GNU Zebra is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * GNU Zebra is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <zebra.h> + +#include "linklist.h" +#include "thread.h" +#include "prefix.h" +#include "command.h" +#include "stream.h" +#include "log.h" +#include "sockopt.h" +#include "table.h" +#include "keychain.h" + +#include "eigrpd/eigrp_structs.h" +#include "eigrpd/eigrpd.h" +#include "eigrpd/eigrp_interface.h" +#include "eigrpd/eigrp_neighbor.h" +#include "eigrpd/eigrp_packet.h" +#include "eigrpd/eigrp_zebra.h" +#include "eigrpd/eigrp_vty.h" +#include "eigrpd/eigrp_network.h" +#include "eigrpd/eigrp_dump.h" +#include "eigrpd/eigrp_topology.h" + +/* Enable debug option variables -- valid only session. */ +unsigned long term_debug_eigrp = 0; +unsigned long term_debug_eigrp_nei = 0; +unsigned long term_debug_eigrp_packet[11] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; +unsigned long term_debug_eigrp_zebra = 6; +unsigned long term_debug_eigrp_transmit = 0; + +/* Configuration debug option variables. */ +unsigned long conf_debug_eigrp = 0; +unsigned long conf_debug_eigrp_nei = 0; +unsigned long conf_debug_eigrp_packet[11] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; +unsigned long conf_debug_eigrp_zebra = 0; +unsigned long conf_debug_eigrp_transmit = 0; + + +static int config_write_debug(struct vty *vty) +{ + int write = 0; + int i; + + const char *type_str[] = {"update", "request", "query", "reply", + "hello", "", "probe", "ack", + "", "SIA query", "SIA reply", "stub", + "all"}; + const char *detail_str[] = { + "", " send", " recv", "", + " detail", " send detail", " recv detail", " detail"}; + + + /* debug eigrp event. */ + + /* debug eigrp packet */ + for (i = 0; i < 10; i++) { + if (conf_debug_eigrp_packet[i] == 0 + && term_debug_eigrp_packet[i] == 0) + continue; + + vty_out(vty, "debug eigrp packet %s%s\n", type_str[i], + detail_str[conf_debug_eigrp_packet[i]]); + write = 1; + } + + return write; +} + +static int eigrp_neighbor_packet_queue_sum(struct eigrp_interface *ei) +{ + struct eigrp_neighbor *nbr; + struct listnode *node, *nnode; + int sum; + sum = 0; + + for (ALL_LIST_ELEMENTS(ei->nbrs, node, nnode, nbr)) { + sum += nbr->retrans_queue->count; + } + + return sum; +} + +/* + * Expects header to be in host order + */ +void eigrp_ip_header_dump(struct ip *iph) +{ + /* IP Header dump. */ + zlog_debug("ip_v %u", iph->ip_v); + zlog_debug("ip_hl %u", iph->ip_hl); + zlog_debug("ip_tos %u", iph->ip_tos); + zlog_debug("ip_len %u", iph->ip_len); + zlog_debug("ip_id %u", (uint32_t)iph->ip_id); + zlog_debug("ip_off %u", (uint32_t)iph->ip_off); + zlog_debug("ip_ttl %u", iph->ip_ttl); + zlog_debug("ip_p %u", iph->ip_p); + zlog_debug("ip_sum 0x%x", (uint32_t)iph->ip_sum); + zlog_debug("ip_src %pI4", &iph->ip_src); + zlog_debug("ip_dst %pI4", &iph->ip_dst); +} + +/* + * Expects header to be in host order + */ +void eigrp_header_dump(struct eigrp_header *eigrph) +{ + /* EIGRP Header dump. */ + zlog_debug("eigrp_version %u", eigrph->version); + zlog_debug("eigrp_opcode %u", eigrph->opcode); + zlog_debug("eigrp_checksum 0x%x", ntohs(eigrph->checksum)); + zlog_debug("eigrp_flags 0x%x", ntohl(eigrph->flags)); + zlog_debug("eigrp_sequence %u", ntohl(eigrph->sequence)); + zlog_debug("eigrp_ack %u", ntohl(eigrph->ack)); + zlog_debug("eigrp_vrid %u", ntohs(eigrph->vrid)); + zlog_debug("eigrp_AS %u", ntohs(eigrph->ASNumber)); +} + +const char *eigrp_if_name_string(struct eigrp_interface *ei) +{ + if (!ei) + return "inactive"; + + return ei->ifp->name; +} + +void show_ip_eigrp_interface_header(struct vty *vty, struct eigrp *eigrp) +{ + + vty_out(vty, + "\nEIGRP interfaces for AS(%d)\n\n%-16s %-10s %-10s %-6s %-12s %-7s %-14s %-12s %-8s %-8s %-8s\n %-44s %-12s %-7s %-14s %-12s %-8s\n", + eigrp->AS, "Interface", "Bandwidth", "Delay", "Peers", + "Xmit Queue", "Mean", "Pacing Time", "Multicast", "Pending", + "Hello", "Holdtime", "", "Un/Reliable", "SRTT", "Un/Reliable", + "Flow Timer", "Routes"); +} + +void show_ip_eigrp_interface_sub(struct vty *vty, struct eigrp *eigrp, + struct eigrp_interface *ei) +{ + vty_out(vty, "%-16s ", IF_NAME(ei)); + vty_out(vty, "%-11u", ei->params.bandwidth); + vty_out(vty, "%-11u", ei->params.delay); + vty_out(vty, "%-7u", ei->nbrs->count); + vty_out(vty, "%u %c %-10u", 0, '/', + eigrp_neighbor_packet_queue_sum(ei)); + vty_out(vty, "%-7u %-14u %-12u %-8u", 0, 0, 0, 0); + vty_out(vty, "%-8u %-8u \n", ei->params.v_hello, ei->params.v_wait); +} + +void show_ip_eigrp_interface_detail(struct vty *vty, struct eigrp *eigrp, + struct eigrp_interface *ei) +{ + vty_out(vty, "%-2s %s %d %-3s \n", "", "Hello interval is ", 0, " sec"); + vty_out(vty, "%-2s %s %s \n", "", "Next xmit serial", "<none>"); + vty_out(vty, "%-2s %s %d %s %d %s %d %s %d \n", "", + "Un/reliable mcasts: ", 0, "/", 0, "Un/reliable ucasts: ", 0, + "/", 0); + vty_out(vty, "%-2s %s %d %s %d %s %d \n", "", "Mcast exceptions: ", 0, + " CR packets: ", 0, " ACKs suppressed: ", 0); + vty_out(vty, "%-2s %s %d %s %d \n", "", "Retransmissions sent: ", 0, + "Out-of-sequence rcvd: ", 0); + vty_out(vty, "%-2s %s %s %s \n", "", "Authentication mode is ", "not", + "set"); + vty_out(vty, "%-2s %s \n", "", "Use multicast"); +} + +void show_ip_eigrp_neighbor_header(struct vty *vty, struct eigrp *eigrp) +{ + vty_out(vty, + "\nEIGRP neighbors for AS(%d)\n\n%-3s %-17s %-20s %-6s %-8s %-6s %-5s %-5s %-5s\n %-41s %-6s %-8s %-6s %-4s %-6s %-5s \n", + eigrp->AS, "H", "Address", "Interface", "Hold", "Uptime", + "SRTT", "RTO", "Q", "Seq", "", "(sec)", "", "(ms)", "", "Cnt", + "Num"); +} + +void show_ip_eigrp_neighbor_sub(struct vty *vty, struct eigrp_neighbor *nbr, + int detail) +{ + + vty_out(vty, "%-3u %-17pI4 %-21s", 0, &nbr->src, IF_NAME(nbr->ei)); + if (nbr->t_holddown) + vty_out(vty, "%-7lu", + thread_timer_remain_second(nbr->t_holddown)); + else + vty_out(vty, "- "); + vty_out(vty, "%-8u %-6u %-5u", 0, 0, EIGRP_PACKET_RETRANS_TIME); + vty_out(vty, "%-7lu", nbr->retrans_queue->count); + vty_out(vty, "%u\n", nbr->recv_sequence_number); + + + if (detail) { + vty_out(vty, " Version %u.%u/%u.%u", nbr->os_rel_major, + nbr->os_rel_minor, nbr->tlv_rel_major, + nbr->tlv_rel_minor); + vty_out(vty, ", Retrans: %lu, Retries: %lu", + nbr->retrans_queue->count, 0UL); + vty_out(vty, ", %s\n", eigrp_nbr_state_str(nbr)); + } +} + +/* + * Print standard header for show EIGRP topology output + */ +void show_ip_eigrp_topology_header(struct vty *vty, struct eigrp *eigrp) +{ + vty_out(vty, "\nEIGRP Topology Table for AS(%d)/ID(%pI4)\n\n", + eigrp->AS, &eigrp->router_id); + vty_out(vty, + "Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply\n r - reply Status, s - sia Status\n\n"); +} + +void show_ip_eigrp_prefix_descriptor(struct vty *vty, + struct eigrp_prefix_descriptor *tn) +{ + struct list *successors = eigrp_topology_get_successor(tn); + + vty_out(vty, "%-3c", (tn->state > 0) ? 'A' : 'P'); + + vty_out(vty, "%pFX, ", tn->destination); + vty_out(vty, "%u successors, ", (successors) ? successors->count : 0); + vty_out(vty, "FD is %u, serno: %" PRIu64 " \n", tn->fdistance, + tn->serno); + + if (successors) + list_delete(&successors); +} + +void show_ip_eigrp_route_descriptor(struct vty *vty, struct eigrp *eigrp, + struct eigrp_route_descriptor *te, + bool *first) +{ + if (te->reported_distance == EIGRP_MAX_METRIC) + return; + + if (*first) { + show_ip_eigrp_prefix_descriptor(vty, te->prefix); + *first = false; + } + + if (te->adv_router == eigrp->neighbor_self) + vty_out(vty, "%-7s%s, %s\n", " ", "via Connected", + IF_NAME(te->ei)); + else { + vty_out(vty, "%-7s%s%pI4 (%u/%u), %s\n", " ", "via ", + &te->adv_router->src, te->distance, + te->reported_distance, IF_NAME(te->ei)); + } +} + + +DEFUN_NOSH (show_debugging_eigrp, + show_debugging_eigrp_cmd, + "show debugging [eigrp]", + SHOW_STR + DEBUG_STR + EIGRP_STR) +{ + int i; + + vty_out(vty, "EIGRP debugging status:\n"); + + /* Show debug status for events. */ + if (IS_DEBUG_EIGRP(event, EVENT)) + vty_out(vty, " EIGRP event debugging is on\n"); + + /* Show debug status for EIGRP Packets. */ + for (i = 0; i < 11; i++) { + if (i == 8) + continue; + + if (IS_DEBUG_EIGRP_PACKET(i, SEND) + && IS_DEBUG_EIGRP_PACKET(i, RECV)) { + vty_out(vty, " EIGRP packet %s%s debugging is on\n", + lookup_msg(eigrp_packet_type_str, i + 1, NULL), + IS_DEBUG_EIGRP_PACKET(i, PACKET_DETAIL) + ? " detail" + : ""); + } else { + if (IS_DEBUG_EIGRP_PACKET(i, SEND)) + vty_out(vty, + " EIGRP packet %s send%s debugging is on\n", + lookup_msg(eigrp_packet_type_str, i + 1, + NULL), + IS_DEBUG_EIGRP_PACKET(i, PACKET_DETAIL) + ? " detail" + : ""); + if (IS_DEBUG_EIGRP_PACKET(i, RECV)) + vty_out(vty, + " EIGRP packet %s receive%s debugging is on\n", + lookup_msg(eigrp_packet_type_str, i + 1, + NULL), + IS_DEBUG_EIGRP_PACKET(i, PACKET_DETAIL) + ? " detail" + : ""); + } + } + + return CMD_SUCCESS; +} + + +/* + [no] debug eigrp packet (hello|dd|ls-request|ls-update|ls-ack|all) + [send|recv [detail]] +*/ + +DEFUN (debug_eigrp_transmit, + debug_eigrp_transmit_cmd, + "debug eigrp transmit <send|recv|all> [detail]", + DEBUG_STR + EIGRP_STR + "EIGRP transmission events\n" + "packet sent\n" + "packet received\n" + "all packets\n" + "Detailed Information\n") +{ + int flag = 0; + int idx = 2; + + /* send or recv. */ + if (argv_find(argv, argc, "send", &idx)) + flag = EIGRP_DEBUG_SEND; + else if (argv_find(argv, argc, "recv", &idx)) + flag = EIGRP_DEBUG_RECV; + else if (argv_find(argv, argc, "all", &idx)) + flag = EIGRP_DEBUG_SEND_RECV; + + /* detail option */ + if (argv_find(argv, argc, "detail", &idx)) + flag = EIGRP_DEBUG_PACKET_DETAIL; + + if (vty->node == CONFIG_NODE) + DEBUG_TRANSMIT_ON(0, flag); + else + TERM_DEBUG_TRANSMIT_ON(0, flag); + + return CMD_SUCCESS; +} + +DEFUN (no_debug_eigrp_transmit, + no_debug_eigrp_transmit_cmd, + "no debug eigrp transmit <send|recv|all> [detail]", + NO_STR + UNDEBUG_STR + EIGRP_STR + "EIGRP transmission events\n" + "packet sent\n" + "packet received\n" + "all packets\n" + "Detailed Information\n") +{ + int flag = 0; + int idx = 3; + + /* send or recv. */ + if (argv_find(argv, argc, "send", &idx)) + flag = EIGRP_DEBUG_SEND; + else if (argv_find(argv, argc, "recv", &idx)) + flag = EIGRP_DEBUG_RECV; + else if (argv_find(argv, argc, "all", &idx)) + flag = EIGRP_DEBUG_SEND_RECV; + + /* detail option */ + if (argv_find(argv, argc, "detail", &idx)) + flag = EIGRP_DEBUG_PACKET_DETAIL; + + if (vty->node == CONFIG_NODE) + DEBUG_TRANSMIT_OFF(0, flag); + else + TERM_DEBUG_TRANSMIT_OFF(0, flag); + + return CMD_SUCCESS; +} + +DEFUN (debug_eigrp_packets, + debug_eigrp_packets_all_cmd, + "debug eigrp packets <siaquery|siareply|ack|hello|probe|query|reply|request|retry|stub|terse|update|all> [send|receive] [detail]", + DEBUG_STR + EIGRP_STR + "EIGRP packets\n" + "EIGRP SIA-Query packets\n" + "EIGRP SIA-Reply packets\n" + "EIGRP ack packets\n" + "EIGRP hello packets\n" + "EIGRP probe packets\n" + "EIGRP query packets\n" + "EIGRP reply packets\n" + "EIGRP request packets\n" + "EIGRP retransmissions\n" + "EIGRP stub packets\n" + "Display all EIGRP packets except Hellos\n" + "EIGRP update packets\n" + "Display all EIGRP packets\n" + "Send Packets\n" + "Receive Packets\n" + "Detail Information\n") +{ + int type = 0; + int flag = 0; + int i; + int idx = 0; + + /* Check packet type. */ + if (argv_find(argv, argc, "hello", &idx)) + type = EIGRP_DEBUG_HELLO; + if (argv_find(argv, argc, "update", &idx)) + type = EIGRP_DEBUG_UPDATE; + if (argv_find(argv, argc, "query", &idx)) + type = EIGRP_DEBUG_QUERY; + if (argv_find(argv, argc, "ack", &idx)) + type = EIGRP_DEBUG_ACK; + if (argv_find(argv, argc, "probe", &idx)) + type = EIGRP_DEBUG_PROBE; + if (argv_find(argv, argc, "stub", &idx)) + type = EIGRP_DEBUG_STUB; + if (argv_find(argv, argc, "reply", &idx)) + type = EIGRP_DEBUG_REPLY; + if (argv_find(argv, argc, "request", &idx)) + type = EIGRP_DEBUG_REQUEST; + if (argv_find(argv, argc, "siaquery", &idx)) + type = EIGRP_DEBUG_SIAQUERY; + if (argv_find(argv, argc, "siareply", &idx)) + type = EIGRP_DEBUG_SIAREPLY; + if (argv_find(argv, argc, "all", &idx)) + type = EIGRP_DEBUG_PACKETS_ALL; + + + /* All packet types, both send and recv. */ + flag = EIGRP_DEBUG_SEND_RECV; + + /* send or recv. */ + if (argv_find(argv, argc, "s", &idx)) + flag = EIGRP_DEBUG_SEND; + else if (argv_find(argv, argc, "r", &idx)) + flag = EIGRP_DEBUG_RECV; + + /* detail. */ + if (argv_find(argv, argc, "detail", &idx)) + flag |= EIGRP_DEBUG_PACKET_DETAIL; + + for (i = 0; i < 11; i++) + if (type & (0x01 << i)) { + if (vty->node == CONFIG_NODE) + DEBUG_PACKET_ON(i, flag); + else + TERM_DEBUG_PACKET_ON(i, flag); + } + + return CMD_SUCCESS; +} + +DEFUN (no_debug_eigrp_packets, + no_debug_eigrp_packets_all_cmd, + "no debug eigrp packets <siaquery|siareply|ack|hello|probe|query|reply|request|retry|stub|terse|update|all> [send|receive] [detail]", + NO_STR + UNDEBUG_STR + EIGRP_STR + "EIGRP packets\n" + "EIGRP SIA-Query packets\n" + "EIGRP SIA-Reply packets\n" + "EIGRP ack packets\n" + "EIGRP hello packets\n" + "EIGRP probe packets\n" + "EIGRP query packets\n" + "EIGRP reply packets\n" + "EIGRP request packets\n" + "EIGRP retransmissions\n" + "EIGRP stub packets\n" + "Display all EIGRP packets except Hellos\n" + "EIGRP update packets\n" + "Display all EIGRP packets\n" + "Send Packets\n" + "Receive Packets\n" + "Detailed Information\n") +{ + int type = 0; + int flag = 0; + int i; + int idx = 0; + + /* Check packet type. */ + if (argv_find(argv, argc, "hello", &idx)) + type = EIGRP_DEBUG_HELLO; + if (argv_find(argv, argc, "update", &idx)) + type = EIGRP_DEBUG_UPDATE; + if (argv_find(argv, argc, "query", &idx)) + type = EIGRP_DEBUG_QUERY; + if (argv_find(argv, argc, "ack", &idx)) + type = EIGRP_DEBUG_ACK; + if (argv_find(argv, argc, "probe", &idx)) + type = EIGRP_DEBUG_PROBE; + if (argv_find(argv, argc, "stub", &idx)) + type = EIGRP_DEBUG_STUB; + if (argv_find(argv, argc, "reply", &idx)) + type = EIGRP_DEBUG_REPLY; + if (argv_find(argv, argc, "request", &idx)) + type = EIGRP_DEBUG_REQUEST; + if (argv_find(argv, argc, "siaquery", &idx)) + type = EIGRP_DEBUG_SIAQUERY; + if (argv_find(argv, argc, "siareply", &idx)) + type = EIGRP_DEBUG_SIAREPLY; + + /* Default, both send and recv. */ + flag = EIGRP_DEBUG_SEND_RECV; + + /* send or recv. */ + if (argv_find(argv, argc, "send", &idx)) + flag = EIGRP_DEBUG_SEND; + else if (argv_find(argv, argc, "reply", &idx)) + flag = EIGRP_DEBUG_RECV; + + /* detail. */ + if (argv_find(argv, argc, "detail", &idx)) + flag |= EIGRP_DEBUG_PACKET_DETAIL; + + for (i = 0; i < 11; i++) + if (type & (0x01 << i)) { + if (vty->node == CONFIG_NODE) + DEBUG_PACKET_OFF(i, flag); + else + TERM_DEBUG_PACKET_OFF(i, flag); + } + + return CMD_SUCCESS; +} + +/* Debug node. */ +static int config_write_debug(struct vty *vty); +static struct cmd_node eigrp_debug_node = { + .name = "debug", + .node = DEBUG_NODE, + .prompt = "", + .config_write = config_write_debug, +}; + +/* Initialize debug commands. */ +void eigrp_debug_init(void) +{ + install_node(&eigrp_debug_node); + + install_element(ENABLE_NODE, &show_debugging_eigrp_cmd); + install_element(ENABLE_NODE, &debug_eigrp_packets_all_cmd); + install_element(ENABLE_NODE, &no_debug_eigrp_packets_all_cmd); + install_element(ENABLE_NODE, &debug_eigrp_transmit_cmd); + install_element(ENABLE_NODE, &no_debug_eigrp_transmit_cmd); + + install_element(CONFIG_NODE, &show_debugging_eigrp_cmd); + install_element(CONFIG_NODE, &debug_eigrp_packets_all_cmd); + install_element(CONFIG_NODE, &no_debug_eigrp_packets_all_cmd); + install_element(CONFIG_NODE, &debug_eigrp_transmit_cmd); + install_element(CONFIG_NODE, &no_debug_eigrp_transmit_cmd); +} |