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|
/* *------------------------------------------------------------------
* cnat_cli_handler.c - CLI handler definitions
*
* Copyright (c) 2007-2015 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 <vlib/vlib.h>
#include <vnet/vnet.h>
#include <vppinfra/vec.h>
#include <vppinfra/bitmap.h>
#include <vppinfra/hash.h>
#include <vppinfra/pool.h>
#include <vppinfra/clib.h>
#include <vppinfra/error.h>
#include "cnat_db.h"
#include "cnat_config.h"
#include "cnat_global.h"
#include "cnat_cli.h"
#include "cnat_logging.h"
#include "cnat_syslog.h"
#include "cnat_config_api.h"
#include "cnat_show_api.h"
#include "cnat_show_response.h"
#include <arpa/inet.h>
#if DPDK
#include <vnet/devices/dpdk/dpdk.h>
#endif
u32 show_debug_level = 0;
u32
cnat_get_vrfmap_nfv9_logging_index (u32 i_vrf_id)
{
cnat_nfv9_logging_info_t *my_nfv9_logging_info = 0;
u32 logging_index = EMPTY;
/*
* Start with global logging index if available
*/
if (cnat_nfv9_global_info.cnat_nfv9_init_done) {
logging_index = cnat_nfv9_global_info.cnat_nfv9_global_collector_index;
pool_foreach (my_nfv9_logging_info, cnat_nfv9_logging_info_pool, ({
if (my_nfv9_logging_info->i_vrf_id == i_vrf_id) {
logging_index = my_nfv9_logging_info -
cnat_nfv9_logging_info_pool;
break;
}
}));
}
return (logging_index);
}
u32
cnat_get_vrfmap_syslog_logging_index (u32 i_vrf_id)
{
cnat_syslog_logging_info_t *my_syslog_info = NULL;
u32 logging_index = EMPTY;
/*
* Start with global logging index if available
*/
if(PREDICT_TRUE(cnat_syslog_global_info.cnat_syslog_init_done)) {
pool_foreach (my_syslog_info, cnat_syslog_logging_info_pool, ({
if (my_syslog_info->i_vrf_id == i_vrf_id) {
logging_index = my_syslog_info -
cnat_syslog_logging_info_pool;
break;
}
}));
}
return (logging_index);
}
void
cnat_set_vrf_params_with_default(cnat_vrfmap_t *my_vrfmap, u32 i_vrf, u32 i_vrf_id)
{
my_vrfmap->status = S_WAO;
my_vrfmap->i_vrf = i_vrf;
my_vrfmap->i_vrf_id = i_vrf_id;
my_vrfmap->o_vrf = INVALID_UIDX;
my_vrfmap->o_vrf_id = INVALID_VRFID;
#ifndef NO_BULK_LOGGING
BULKSIZE_FROM_VRFMAP(my_vrfmap) = BULK_ALLOC_SIZE_NONE;
#endif /* #ifndef NO_BULK_LOGGING */
my_vrfmap->tcp_mss = V4_TCP_MSS_NOT_CONFIGURED_VALUE;
my_vrfmap->frag_tout = CNAT_IPV4_FRAG_TIMEOUT_DEF;
my_vrfmap->port_limit = V4_DEF_VRF_MAX_PORTS;
my_vrfmap->nfv9_logging_index =
cnat_get_vrfmap_nfv9_logging_index(i_vrf_id);
my_vrfmap->syslog_logging_index =
cnat_get_vrfmap_syslog_logging_index(i_vrf_id);
/* Copy logging policy from nfv9 info. */
if(my_vrfmap->nfv9_logging_index != EMPTY) {
cnat_nfv9_logging_info_t *nfv9_logging_info =
cnat_nfv9_logging_info_pool + my_vrfmap->nfv9_logging_index;
my_vrfmap->nf_logging_policy = nfv9_logging_info->logging_policy;
}
if(my_vrfmap->syslog_logging_index != EMPTY) {
cnat_syslog_logging_info_t *syslog_logging_info =
cnat_syslog_logging_info_pool + my_vrfmap->syslog_logging_index;
my_vrfmap->syslog_logging_policy = syslog_logging_info->logging_policy;
}
#if 0
printf("Initializing params in cnat_set_vrf_params_with_default\n"
"my_vrfmap->status = %u\n"
"my_vrfmap->tcp_mss = %u\n"
"my_vrfmap->i_vrf = %u\n"
"my_vrfmap->i_vrf_id = %u\n"
"my_vrfmap->o_vrf = %u\n"
"my_vrfmap->o_vrf_id = %u\n"
"my_vrfmap->bulk_size = %u\n"
"my_vrfmap->nfv9_logging_index = %u\n"
"my_vrfmap->syslog_logging_index = %u\n"
"my_vrfmap->frag_tout = %u\n"
"my_vrfmap->port_limit = %u\n"
"my_vrfmap->nf_logging_policy = %u\n"
"my_vrfmap->syslog_logging_policy = %u\n",
my_vrfmap->status,
my_vrfmap->tcp_mss,
my_vrfmap->i_vrf,
my_vrfmap->i_vrf_id,
my_vrfmap->o_vrf,
my_vrfmap->o_vrf_id,
my_vrfmap->bulk_size,
my_vrfmap->nfv9_logging_index,
my_vrfmap->syslog_logging_index,
my_vrfmap->frag_tout,
my_vrfmap->port_limit,
my_vrfmap->nf_logging_policy,
my_vrfmap->syslog_logging_policy);
#endif /* if 0 */
}
/* config command handlers */
void cnat_nat44_add_vrf_map_t_handler(spp_api_cnat_v4_add_vrf_map_t *mp,
vlib_main_t *vm)
{
void cnat_table_entry_fill_map(u32 start_addr, u32 end_addr,
cnat_portmap_v2_t **port_map_holder);
u32 start_addr, end_addr;
u32 pm_len __attribute__((unused));
cnat_vrfmap_t *my_vrfmap = 0;
cnat_portmap_v2_t *pm = 0;
u16 i_vrf, o_vrf;
u32 ivrf_id, ovrf_id;
u16 my_vrfmap_index;
u8 i = 0;
start_addr = mp->start_addr[0];
end_addr = mp->end_addr[0];
i_vrf = mp->i_vrf;
o_vrf = mp->o_vrf;
ovrf_id = mp->o_vrf_id;
ivrf_id = mp->i_vrf_id;
#if DEBUG_NOT_COMMENTED
vlib_cli_output(vm, "%s: saddr[0x%x], eaddr[0x%x], i_vrf[0x%x], o_vrf[0x%x], "
"ovrf_id[0x%x], ivrf_id[0x%x]\n", __func__, start_addr, end_addr,
i_vrf, o_vrf, ovrf_id, ivrf_id);
#endif
if (start_addr > end_addr) {
vlib_cli_output(vm, "Add VRF Map failed start addr 0x%x > end addr 0x%x\n",
start_addr, end_addr);
return;
}
if ((end_addr - start_addr) > CNAT_MAX_ADDR_POOL_SIZE) {
vlib_cli_output(vm, "Add VRF Map failed start addr 0x%x - end addr "
"0x%x range > 65536\n", start_addr, end_addr);
return;
}
my_vrfmap_index = vrf_map_array[i_vrf];
if (my_vrfmap_index != VRF_MAP_ENTRY_EMPTY) {
my_vrfmap = cnat_map_by_vrf + my_vrfmap_index;
my_vrfmap->o_vrf = o_vrf;
my_vrfmap->i_vrf_id = ivrf_id;
my_vrfmap->o_vrf_id = ovrf_id;
} else {
/*
* first time add
*/
pool_get(cnat_map_by_vrf, my_vrfmap);
memset(my_vrfmap, 0, sizeof(*my_vrfmap));
/* waiting for outside vrf */
cnat_set_vrf_params_with_default(my_vrfmap, i_vrf, ivrf_id);
my_vrfmap->i_vrf = i_vrf;
my_vrfmap->o_vrf = o_vrf;
my_vrfmap->i_vrf_id = ivrf_id;
my_vrfmap->o_vrf_id = ovrf_id;
#ifndef NO_BULK_LOGGING
BULKSIZE_FROM_VRFMAP(my_vrfmap) = BULK_ALLOC_SIZE_NONE;
#endif /* #ifndef NO_BULK_LOGGING */
my_vrfmap->tcp_mss = V4_TCP_MSS_NOT_CONFIGURED_VALUE;
my_vrfmap->status = S_WA;
my_vrfmap->frag_tout = 0; /* currently setting it to 0 */
my_vrfmap->port_limit = V4_DEF_VRF_MAX_PORTS;
vrf_map_array[i_vrf] = (my_vrfmap - cnat_map_by_vrf);
}
pm = my_vrfmap->portmap_list;
pm_len = vec_len(pm);
for(i=0; i < 1 ; i++) {
start_addr = mp->start_addr[i];
end_addr = mp->end_addr[i];
if((start_addr == 0) || (end_addr == 0))
break;
cnat_table_entry_fill_map(start_addr, end_addr,
&(my_vrfmap->portmap_list));
}
my_vrfmap->status = S_RUN;
vlib_cli_output(vm, "Address Pool Config Successful !!\n");
return;
}
void cnat_nat44_set_protocol_timeout_value(u16 active,
u16 init, u8 *proto, u8 reset, vlib_main_t *vm)
{
if (!strncmp((char *) proto, "tcp", 3)) {
tcp_initial_setup_timeout = (reset) ? V4_DEF_TCP_IS_TO : init;
tcp_active_timeout = (reset) ? V4_DEF_TCP_AS_TO : active;
} else if (!strncmp((char *) proto, "udp", 3)) {
udp_init_session_timeout = (reset) ? V4_DEF_UDP_IS_TO : init;
udp_act_session_timeout = (reset) ? V4_DEF_UDP_AS_TO : active;
} else if (!strncmp((char *) proto, "icmp", 4)) {
icmp_session_timeout = (reset) ? V4_DEF_ICMP_S_TO : active;
} else {
vlib_cli_output(vm, "Error !! Unsupported protocol %s\n", proto);
}
return;
}
/* Show command handlers */
void cnat_nat44_handle_show_stats(vlib_main_t *vm)
{
pool_header_t *h;
u32 used, free;
cnat_vrfmap_t *my_vrfmap =0;
cnat_portmap_v2_t *pm =0, *my_pm = 0;
u32 i, pm_len;
struct in_addr ip;
void cnat_nfv9_show_collector
(vlib_main_t *vm, cnat_nfv9_logging_info_t *my_nfv9_logging_info);
/* active translations */
h = pool_header(cnat_main_db);
free = vec_len(h->free_indices);
used = vec_len(cnat_main_db) - free;
vlib_cli_output(vm, "vCGN NAT44 Statistics :\n");
vlib_cli_output(vm, "\tActive Translations : %u\n",
NAT44_COMMON_STATS.active_translations);
vlib_cli_output(vm, "\tTotal free translation entries : %u\n", free);
vlib_cli_output(vm, "\tTotal used translation entries : %u\n", used);
vlib_cli_output(vm, "\ti2o drops due to port limit exceeded : %lu\n",
in2out_drops_port_limit_exceeded);
vlib_cli_output(vm, "\ti2o drops due to system limit reached : %lu\n",
in2out_drops_system_limit_reached);
vlib_cli_output(vm, "\ti2o drops due to resource depletion : %lu\n",
in2out_drops_resource_depletion);
vlib_cli_output(vm, "\to2i drops due to no translations : %lu\n",
NAT44_COMMON_STATS.no_translation_entry_drops);
vlib_cli_output(vm, "\tPool address usage:\n");
vlib_cli_output(vm, "\t-------------------------------------------------\n");
vlib_cli_output(vm, "\tExternal Address \tPorts Used\n");
vlib_cli_output(vm, "\t-------------------------------------------------\n");
used = 0;
pool_foreach (my_vrfmap, cnat_map_by_vrf, ({
pm = my_vrfmap->portmap_list;
pm_len = vec_len(pm);
for (i = 0; i < pm_len; i++) {
my_pm = pm + i;
if (my_pm->inuse) {
used++;
/* maximum of 200 addresses to be returned */
if (used <= 200) {
ip.s_addr = ntohl(my_pm->ipv4_address);
vlib_cli_output(vm, "\t%s \t\t%u\n", inet_ntoa(ip), my_pm->inuse);
}
}
}
}));
return;
}
void cnat_nat44_handle_show_config(vlib_main_t *vm)
{
cnat_vrfmap_t * my_vrfmap;
cnat_portmap_v2_t *pm = 0;
cnat_portmap_v2_t *my_pm = 0;
u32 pm_len;
struct in_addr ip_addr;
u8 status_str[20];
cnat_nfv9_logging_info_t *my_nfv9_logging_info,
*global_nfv9_logging_info = 0;
vnet_hw_interface_t * hw;
dpdk_main_t * dm = &dpdk_main;
void cnat_nfv9_show_collector
(vlib_main_t *vm, cnat_nfv9_logging_info_t *my_nfv9_logging_info);
vlib_cli_output(vm, "vCGN NAT44 Config:\n");
vlib_cli_output(vm, "\tPort Limit : %u\n", cnat_main_db_max_ports_per_user);
vlib_cli_output(vm, "\ttotal address pool : %u\n", total_address_pool_allocated);
vlib_cli_output(vm, "\tdynamic port start range : %u\n", cnat_static_port_range);
pool_foreach(my_vrfmap, cnat_map_by_vrf, ({
hw = vnet_get_hw_interface (dm->vnet_main, my_vrfmap->i_vrf);
vlib_cli_output(vm, "\tInside Interface : %s\n", hw->name);
hw = vnet_get_hw_interface (dm->vnet_main, my_vrfmap->o_vrf);
vlib_cli_output(vm, "\tOutside Interface : %s\n", hw->name);
memset(status_str, 0x00, sizeof(status_str));
switch(my_vrfmap->status) {
case S_WAO: clib_memcpy(status_str, "S_WAO", 5); break;
case S_WA: clib_memcpy(status_str, "S_WA", 4); break;
case S_WO: clib_memcpy(status_str, "S_WO", 4); break;
case S_RUN: clib_memcpy(status_str, "ONLINE", 6); break;
case S_DEL: clib_memcpy(status_str, "S_DEL", 5); break;
default: clib_memcpy(status_str, "Invalid state", 13);
}
vlib_cli_output(vm,
"\tAddress pool map table status : %s\n", status_str);
pm = my_vrfmap->portmap_list;
pm_len = vec_len(pm);
my_pm = pm;
ip_addr.s_addr = clib_net_to_host_u32(my_pm->ipv4_address);
vlib_cli_output(vm,
"\tStart Address : %s\n", inet_ntoa(ip_addr));
my_pm = pm + (pm_len - 1);
ip_addr.s_addr = clib_net_to_host_u32(my_pm->ipv4_address);
vlib_cli_output(vm,
"\tEnd Address : %s\n", inet_ntoa(ip_addr));
}));
vlib_cli_output(vm,
"\ttcp init timeout : %u sec\n", tcp_initial_setup_timeout);
vlib_cli_output(vm,
"\ttcp active timeout : %u sec\n", tcp_active_timeout);
vlib_cli_output(vm,
"\tudp init timeout : %u sec\n", udp_init_session_timeout);
vlib_cli_output(vm,
"\tudp active timeout : %u sec\n", udp_act_session_timeout);
vlib_cli_output(vm,
"\ticmp session timeout: %u sec\n", icmp_session_timeout);
#if 0
if (cnat_nfv9_global_info.cnat_nfv9_global_collector_index != EMPTY) {
vlib_cli_output(vm,"\nGloabal NFV9 Collector :");
global_nfv9_logging_info = cnat_nfv9_logging_info_pool +
cnat_nfv9_global_info.cnat_nfv9_global_collector_index;
cnat_nfv9_show_collector(vm, global_nfv9_logging_info);
}
#endif
vlib_cli_output(vm, "\nNFV9 Collector :");
if (cnat_nfv9_logging_info_pool !=NULL) {
pool_foreach (my_nfv9_logging_info, cnat_nfv9_logging_info_pool, ({
if (my_nfv9_logging_info != global_nfv9_logging_info) {
cnat_nfv9_show_collector(vm, my_nfv9_logging_info);
vlib_cli_output(vm, "\n");
}
}));
} else {
vlib_cli_output(vm, "\n");
}
return;
}
/*
* Check if the request flag matches the entry flags and
* if so return "1"
*
* entry_flag_ptr is an output parameter - it returns the flags
* corresponding to the translation entry
*/
static u8 cnat_v4_show_verify_display_entry (
u16 request_flag,
cnat_main_db_entry_t *db,
u16 *entry_flag_ptr)
{
u8 display_entry = 0;
/*
* This should never happen
*/
if (!entry_flag_ptr) {
return (display_entry);
}
*entry_flag_ptr = 0;
if ((db->flags & CNAT_DB_FLAG_STATIC_PORT)
&&(db->flags & CNAT_DB_FLAG_ALG_ENTRY)) {
*entry_flag_ptr |= CNAT_TRANSLATION_ENTRY_STATIC;
*entry_flag_ptr |= CNAT_TRANSLATION_ENTRY_ALG;
} else if (db->flags & CNAT_DB_FLAG_STATIC_PORT) {
*entry_flag_ptr |= CNAT_TRANSLATION_ENTRY_STATIC;
} else if ((db->flags & CNAT_DB_FLAG_ALG_ENTRY) ||
(db->flags & CNAT_DB_FLAG_PPTP_GRE_ENTRY)) {
*entry_flag_ptr |= CNAT_TRANSLATION_ENTRY_ALG;
} else if (db->flags & CNAT_DB_FLAG_PCPI) {
*entry_flag_ptr |= CNAT_TRANSLATION_ENTRY_PCPI_DYNAMIC;
} else if (db->flags & CNAT_DB_FLAG_PCPE) {
*entry_flag_ptr |= CNAT_TRANSLATION_ENTRY_PCPE_DYNAMIC;
} else {
*entry_flag_ptr |= CNAT_TRANSLATION_ENTRY_DYNAMIC;
}
if (request_flag == CNAT_TRANSLATION_ENTRY_ALL) {
display_entry = 1;
} else {
/*
* Check if the request_flag is STATIC or ALG
* and the entry is STATIC or ALG as well
*/
if ((request_flag & CNAT_TRANSLATION_ENTRY_STATIC) &&
(*entry_flag_ptr & CNAT_TRANSLATION_ENTRY_STATIC)) {
display_entry = 1;
}
if ((request_flag & CNAT_TRANSLATION_ENTRY_ALG) &&
(*entry_flag_ptr & CNAT_TRANSLATION_ENTRY_ALG)) {
display_entry = 1;
}
if ((request_flag & CNAT_TRANSLATION_ENTRY_PCPI_DYNAMIC) &&
(*entry_flag_ptr & CNAT_TRANSLATION_ENTRY_PCPI_DYNAMIC)) {
display_entry = 1;
}
if ((request_flag & CNAT_TRANSLATION_ENTRY_PCPE_DYNAMIC) &&
(*entry_flag_ptr & CNAT_TRANSLATION_ENTRY_PCPE_DYNAMIC)) {
display_entry = 1;
}
/*
* For dynamic entry case, check if flags field is 0
*/
if ((request_flag & CNAT_TRANSLATION_ENTRY_DYNAMIC) &&
(*entry_flag_ptr & CNAT_TRANSLATION_ENTRY_DYNAMIC)) {
display_entry = 1;
}
}
if (PREDICT_FALSE(show_debug_level > 2)) {
PLATFORM_DEBUG_PRINT("Entry (0x%x, %d) -> (0x%x, %d) request_flag 0x%x, entry_flag 0x%x, display_entry %d\n", db->in2out_key.k.ipv4, db->in2out_key.k.port, db->out2in_key.k.ipv4, db->out2in_key.k.port, request_flag, *entry_flag_ptr, display_entry);
}
return (display_entry);
}
void cnat_v4_show_inside_entry_req_t_handler
(spp_api_cnat_v4_show_inside_entry_req_t *mp, vlib_main_t * vm)
{
cnat_user_db_entry_t *udb = NULL;
cnat_main_db_entry_t *db = NULL;
cnat_db_key_bucket_t u_ki, ki;
u64 a, b, c;
u32 index;
u16 start_port, end_port, port;
u16 request_flag = 0;
u16 entry_flag = 0;
u8 num_entries = 0;
u8 proto, all;
u8 done = 0;
cnat_v4_show_translation_entry *entry_list;
cnat_v4_show_translation_entry entry[PLATFORM_MAX_TRANSLATION_ENTRIES];
u8 display_entry;
u8 flag_str[11];
vnet_hw_interface_t * hw;
dpdk_main_t * dm = &dpdk_main;
ki.k.k.ipv4 = mp->ipv4_addr;
ki.k.k.vrf = mp->vrf_id;
start_port = mp->start_port;
end_port = mp->end_port;
#if DEBUG
vlib_cli_output(vm, "## proto %d, inside-addr 0x%x, start_port %u, "
"end_port %u, vrf 0x%x, flag 0x%x\n",
mp->protocol,
mp->ipv4_addr,
mp->start_port,
mp->end_port,
mp->vrf_id,
mp->flags);
#endif
proto = mp->protocol;
ki.k.k.vrf |= ((u16)proto << CNAT_PRO_SHIFT);
all = mp->all_entries; /* for no port range case */
request_flag = mp->flags; /* for all, alg, static entries case */
entry_list = entry;
/*
* check if the address is belonging to this core
*/
/*
* first we check if the user exists in the udb, if he is not then
* it does not make sense to check the main db for translations
*/
u_ki.k.k.vrf = ki.k.k.vrf & CNAT_VRF_MASK;
u_ki.k.k.ipv4 = ki.k.k.ipv4;
u_ki.k.k.port = 0;
if (PREDICT_FALSE(show_debug_level > 0)) {
vlib_cli_output(vm, "\nI_TRANS_CORE %d: IPv4 0x%x, VRF 0x%x, "
"start_port %d, end_port %d",
my_instance_number, ki.k.k.ipv4,
ki.k.k.vrf, start_port, end_port);
}
udb = cnat_user_db_lookup_entry(&u_ki);
if (!udb) {
if (PREDICT_FALSE(show_debug_level > 0)) {
vlib_cli_output(vm, "\nReturning %d entries",
num_entries);
}
return;
}
if (all) {
#if 0
if (PREDICT_FALSE(show_debug_level > 0)) {
PLATFORM_DEBUG_PRINT("\nI_TRANS: Printing ALL\n");
}
/*
* get the head of list of translation entries for that user
* from the user db
*/
head = udb->translation_list_head_index;
db = cnat_main_db + head;
while (num_entries < PLATFORM_MAX_TRANSLATION_ENTRIES) {
if (((db->in2out_key.k.vrf & CNAT_PRO_MASK) >> CNAT_PRO_SHIFT)
!= proto) {
goto next_entry;
}
display_entry =
spp_api_cnat_v4_show_verify_display_entry(request_flag, db,
&entry_flag);
if (display_entry) {
entry_list->ipv4_addr =
spp_host_to_net_byte_order_32(db->out2in_key.k.ipv4);
entry_list->cnat_port =
spp_host_to_net_byte_order_16(db->out2in_key.k.port);
entry_list->src_port =
spp_host_to_net_byte_order_16(db->in2out_key.k.port);
entry_list->protocol = proto;
/* incase of gre - in2out is not accounted */
if(proto != CNAT_PPTP) {
entry_list->in2out_packets =
spp_host_to_net_byte_order_32(db->in2out_pkts);
} else {
entry_list->in2out_packets = 0;
}
entry_list->out2in_packets =
spp_host_to_net_byte_order_32(db->out2in_pkts);
entry_list->flags =
spp_host_to_net_byte_order_16(entry_flag);
num_entries++;
entry_list = entry_list + 1;
}
next_entry:
db = cnat_main_db + db->user_ports.next;
/*
* its a circular list, so if we have reached the head again
* all the entries for that user have been read
*/
if (db == (cnat_main_db + head)) {
break;
}
}
resp->num_entries = num_entries;
#endif /* if 0 */
} else {
if (PREDICT_FALSE(show_debug_level > 0)) {
vlib_cli_output(vm, "\nI_TRANS: Printing range %d .. %d\n",
start_port, end_port);
}
/*
* port range is specified so for each port calculate the hash and
* check if the entry is present in main db
*/
port = start_port;
done = 0;
while ((!done) && (num_entries < PLATFORM_MAX_TRANSLATION_ENTRIES)) {
ki.k.k.port = port;
if (port >= end_port) {
done = 1;
} else {
port++;
}
CNAT_V4_GET_HASH(ki.k.key64,
ki.bucket,
CNAT_MAIN_HASH_MASK);
index = cnat_in2out_hash[ki.bucket].next;
if (PREDICT_TRUE(index == EMPTY)) {
continue;
}
do {
db = cnat_main_db + index;
if (db->in2out_key.key64 == ki.k.key64) {
break;
}
index = db->in2out_hash.next;
} while (index != EMPTY);
if (index == EMPTY) {
continue;
} else {
display_entry =
cnat_v4_show_verify_display_entry(request_flag, db,
&entry_flag);
if (display_entry) {
entry_list->ipv4_addr =
clib_host_to_net_u32(db->out2in_key.k.ipv4);
entry_list->cnat_port =
clib_host_to_net_u16(db->out2in_key.k.port);
entry_list->src_port =
clib_host_to_net_u16(db->in2out_key.k.port);
entry_list->protocol = proto;
entry_list->nsessions = db->nsessions;
entry_list->flags = ((db->flags & CNAT_DB_FLAG_TCP_ACTIVE) ||
(db->flags & CNAT_DB_FLAG_UDP_ACTIVE)) ? 1:0;
/* incase of gre - in2out is not accounted */
if(proto != CNAT_PPTP) {
entry_list->in2out_packets =
clib_host_to_net_u32(db->in2out_pkts);
} else {
entry_list->in2out_packets = 0;
}
entry_list->out2in_packets =
clib_host_to_net_u32(db->out2in_pkts);
if (PREDICT_FALSE(show_debug_level > 3)) {
vlib_cli_output(vm, "\n1. Entry: Addr 0x%x, port %d, num_entries %d",
clib_net_to_host_u32(entry_list->ipv4_addr),
clib_net_to_host_u16(entry_list->cnat_port),
num_entries);
}
entry_list = entry_list + 1;
num_entries++;
}
} /* if (index == EMPTY) */
} /* while() */
}
if (PREDICT_FALSE(show_debug_level > 0)) {
if (num_entries) {
vlib_cli_output(vm, "\nReturning %d entries\n",
num_entries);
}
}
entry_list = entry;
u8 i = 0;
struct in_addr ip;
u8 proto_str[10];
u8 transl_str[10];
memset(proto_str, 0x00, 10);
memset(transl_str, 0x00, 10);
if (proto == 1) strncpy((char *)proto_str, "udp", 3);
else if (proto == 2) strncpy((char *)proto_str, "tcp", 3);
else if (proto == 3) strncpy((char *)proto_str, "icmp", 4);
else strncpy((char *)proto_str, "unknown", 7);
if (request_flag == 0x04) strncpy((char *)transl_str, "Dynamic", 7);
else strncpy((char *)transl_str, "Unknown", 7); /* currently we are not supporting static/alg entries */
ip.s_addr = clib_net_to_host_u32(u_ki.k.k.ipv4);
hw = vnet_get_hw_interface (dm->vnet_main, u_ki.k.k.vrf);
vlib_cli_output (vm, "Inside-translation details\n");
vlib_cli_output (vm, "--------------------------\n");
vlib_cli_output (vm, "Inside interface : %s\n", hw->name);
vlib_cli_output (vm, "Inside address : %s\n", inet_ntoa(ip));
vlib_cli_output (vm, "Start port : %u\n", start_port);
vlib_cli_output (vm, "End port : %u\n", end_port);
vlib_cli_output (vm, "--------------------------------------------------------------------------------------"
"-----------------------\n");
vlib_cli_output (vm, "Outside Protocol Inside Outside Translation"
" I2O O2I Flag Num\n");
vlib_cli_output (vm, "Address Src Port Src Port Type "
" Pkts Pkts Sessions\n");
vlib_cli_output (vm, "--------------------------------------------------------------------------------------"
"-----------------------\n");
while ((num_entries) && (entry_list) && (i < 50)) {
ip.s_addr = entry_list->ipv4_addr;
memset(flag_str,0x00,11);
if((proto == 1) || (proto == 2)) {
if(entry_list->flags == 1) {
strncpy((char *)flag_str,"Active",6);
}
else {
strncpy((char *) flag_str,"Non Active",10);
}
} else {
strncpy((char *) flag_str, "NA", 2);
}
vlib_cli_output(vm, "%s %10s %11u %12u %13s %10u %10u %14s %6u\n",
inet_ntoa(ip), proto_str,
clib_net_to_host_u16(entry_list->src_port),
clib_net_to_host_u16(entry_list->cnat_port),
transl_str,
clib_net_to_host_u32(entry_list->in2out_packets),
clib_net_to_host_u32(entry_list->out2in_packets),
flag_str,
entry_list->nsessions);
entry_list++;
num_entries--; i++;
}
return;
}
void cnat_v4_show_outside_entry_req_t_handler
(spp_api_cnat_v4_show_outside_entry_req_t *mp, vlib_main_t *vm)
{
cnat_main_db_entry_t *db = NULL;
cnat_db_key_bucket_t ko;
u64 a, b, c;
u32 index;
u16 start_port, end_port, port;
u16 request_flag = 0;
u16 entry_flag = 0;
u8 num_entries = 0;
u8 proto;
cnat_v4_show_translation_entry *entry_list;
cnat_v4_show_translation_entry entry[PLATFORM_MAX_TRANSLATION_ENTRIES];
u8 done = 0;
u8 display_entry;
u8 flag_str[11];
vnet_hw_interface_t * hw;
dpdk_main_t * dm = &dpdk_main;
ko.k.k.ipv4 = mp->ipv4_addr;
ko.k.k.vrf = mp->vrf_id;
start_port = mp->start_port;
end_port = mp->end_port;
proto = mp->protocol;
request_flag = mp->flags;
ko.k.k.vrf |= ((u16)proto << CNAT_PRO_SHIFT);
entry_list = entry;
if (PREDICT_FALSE(show_debug_level > 0)) {
vlib_cli_output(vm, "\nO_TRANS_CORE %d: IPv4 0x%x, VRF 0x%x, "
"start_port %d, end_port %d", my_instance_number,
ko.k.k.ipv4, ko.k.k.vrf, start_port, end_port);
}
/*
* for each ip and port combination we need to scan the main db
* and check if the entry is present in main db
*/
port = start_port;
done = 0;
while ((!done) && (num_entries < PLATFORM_MAX_TRANSLATION_ENTRIES)) {
ko.k.k.port = port;
/*
* If we have reached the end_port, we are DONE
*/
if (port >= end_port) {
done = 1;
} else {
port++;
}
CNAT_V4_GET_HASH(ko.k.key64,
ko.bucket,
CNAT_MAIN_HASH_MASK);
index = cnat_out2in_hash[ko.bucket].next;
if (PREDICT_TRUE(index == EMPTY)) {
continue;
}
do {
db = cnat_main_db + index;
if (db->out2in_key.key64 == ko.k.key64) {
break;
}
index = db->out2in_hash.next;
} while (index != EMPTY);
if (index == EMPTY) {
continue;
} else {
display_entry =
cnat_v4_show_verify_display_entry(request_flag, db,
&entry_flag);
if (display_entry) {
entry_list->ipv4_addr =
clib_host_to_net_u32(db->in2out_key.k.ipv4);
entry_list->cnat_port =
clib_host_to_net_u16(db->out2in_key.k.port);
entry_list->src_port =
clib_host_to_net_u16(db->in2out_key.k.port);
entry_list->protocol = proto;
entry_list->nsessions = db->nsessions;
entry_list->flags = ((db->flags & CNAT_DB_FLAG_TCP_ACTIVE) ||
(db->flags & CNAT_DB_FLAG_UDP_ACTIVE)) ? 1:0;
/* incase of gre - in2out is not accounted */
if(proto != CNAT_PPTP) {
entry_list->in2out_packets =
clib_host_to_net_u32(db->in2out_pkts);
} else {
entry_list->in2out_packets = 0 ;
}
entry_list->out2in_packets =
clib_host_to_net_u32(db->out2in_pkts);
#if 0
entry_list->flags =
clib_host_to_net_u16(entry_flag);
#endif
entry_list = entry_list + 1;
num_entries++;
}
}
}
if (num_entries == 0) {
/* No point proceeding further */
return;
}
if (PREDICT_FALSE(show_debug_level > 0)) {
if (num_entries) {
vlib_cli_output(vm, "\nO_TRANS: Core %d returning %d entries",
num_entries);
}
}
entry_list = entry;
u8 i = 0;
struct in_addr ip;
u8 proto_str[10];
u8 transl_str[10];
memset(proto_str, 0x00, 10);
memset(transl_str, 0x00, 10);
if (proto == 1) strncpy((char *) proto_str, "udp", 3);
else if (proto == 2) strncpy((char *) proto_str, "tcp", 3);
else if (proto == 3) strncpy((char *) proto_str, "icmp", 4);
else strncpy((char *) proto_str, "unknown", 7);
if (request_flag == 0x04) strncpy((char *) transl_str, "Dynamic", 7);
else strncpy((char *)transl_str, "Unknown", 7); /* currently we are not supporting static/alg entries */
ip.s_addr = clib_net_to_host_u32(ko.k.k.ipv4);
hw = vnet_get_hw_interface (dm->vnet_main, (ko.k.k.vrf & CNAT_VRF_MASK));
vlib_cli_output (vm, "Outside-translation details\n");
vlib_cli_output (vm, "--------------------------\n");
vlib_cli_output (vm, "Outside interface : %s\n", hw->name);
vlib_cli_output (vm, "Outside address : %s\n", inet_ntoa(ip));
vlib_cli_output (vm, "Start port : %u\n", start_port);
vlib_cli_output (vm, "End port : %u\n", end_port);
vlib_cli_output (vm, "--------------------------------------------------------------------------------------"
"-----------------------\n");
vlib_cli_output (vm, "Inside Protocol Outside Inside Translation"
" I2O O2I Flag Num\n");
vlib_cli_output (vm, "Address Dst Port Dst Port Type "
" Pkts Pkts Sessions\n");
vlib_cli_output (vm, "--------------------------------------------------------------------------------------"
"-----------------------\n");
while ((num_entries) && (entry_list) && (i < 50)) {
ip.s_addr = entry_list->ipv4_addr;
memset(flag_str,0x00,11);
if((proto == 1) || (proto == 2)) {
if(entry_list->flags == 1) {
strncpy((char *) flag_str,"Active",6);
}
else {
strncpy((char *) flag_str,"Non Active",10);
}
} else {
strncpy((char *) flag_str, "NA", 2);
}
vlib_cli_output(vm, "%s %10s %11u %12u %13s %10u %10u %14s %6u\n",
inet_ntoa(ip), proto_str,
clib_net_to_host_u16(entry_list->cnat_port),
clib_net_to_host_u16(entry_list->src_port),
transl_str,
clib_net_to_host_u32(entry_list->in2out_packets),
clib_net_to_host_u32(entry_list->out2in_packets),
flag_str,
entry_list->nsessions);
entry_list++;
num_entries--; i++;
}
return;
}
|