* limitations under the License.
*/
-#include <vnet/flow/flow_report.h>
+#include <vnet/ipfix-export/flow_report.h>
#include <vlibmemory/api.h>
-#include <nat/nat.h>
+#include <nat/nat_inlines.h>
#include <nat/nat_ipfix_logging.h>
snat_ipfix_logging_main_t snat_ipfix_logging_main;
#define NAT44_SESSION_CREATE_LEN 26
#define NAT_ADDRESSES_EXHAUTED_LEN 13
-#define MAX_ENTRIES_PER_USER_LEN 17
+#define MAX_ENTRIES_PER_USER_LEN 21
+#define MAX_SESSIONS_LEN 17
+#define MAX_BIBS_LEN 17
+#define MAX_FRAGMENTS_IP4_LEN 21
+#define MAX_FRAGMENTS_IP6_LEN 33
+#define NAT64_BIB_LEN 38
+#define NAT64_SES_LEN 62
#define NAT44_SESSION_CREATE_FIELD_COUNT 8
#define NAT_ADDRESSES_EXHAUTED_FIELD_COUNT 3
-#define MAX_ENTRIES_PER_USER_FIELD_COUNT 4
+#define MAX_ENTRIES_PER_USER_FIELD_COUNT 5
+#define MAX_SESSIONS_FIELD_COUNT 4
+#define MAX_BIBS_FIELD_COUNT 4
+#define MAX_FRAGMENTS_FIELD_COUNT 5
+#define NAT64_BIB_FIELD_COUNT 8
+#define NAT64_SES_FIELD_COUNT 12
typedef struct
{
typedef struct
{
+ u32 limit;
u32 src_ip;
} snat_ipfix_logging_max_entries_per_user_args_t;
+typedef struct
+{
+ u32 limit;
+} nat_ipfix_logging_max_sessions_args_t;
+
+typedef struct
+{
+ u32 limit;
+} nat_ipfix_logging_max_bibs_args_t;
+
+typedef struct
+{
+ u32 limit;
+ u32 src;
+} nat_ipfix_logging_max_frags_ip4_args_t;
+
+typedef struct
+{
+ u32 limit;
+ u64 src[2];
+} nat_ipfix_logging_max_frags_ip6_args_t;
+
+typedef struct
+{
+ u8 nat_event;
+ u64 src_ip[2];
+ u32 nat_src_ip;
+ u8 proto;
+ u16 src_port;
+ u16 nat_src_port;
+ u64 dst_ip[2];
+ u32 nat_dst_ip;
+ u32 vrf_id;
+ u16 dst_port;
+ u16 nat_dst_port;
+} nat_ipfix_logging_nat64_ses_args_t;
+
+typedef struct
+{
+ u8 nat_event;
+ u64 src_ip[2];
+ u32 nat_src_ip;
+ u8 proto;
+ u16 src_port;
+ u16 nat_src_port;
+ u32 vrf_id;
+} nat_ipfix_logging_nat64_bib_args_t;
+
#define skip_if_disabled() \
do { \
snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main; \
field_count = NAT44_SESSION_CREATE_FIELD_COUNT;
silm->nat44_session_template_id = fr->template_id;
}
+ else if (event == NAT64_BIB_CREATE)
+ {
+ field_count = NAT64_BIB_FIELD_COUNT;
+ silm->nat64_bib_template_id = fr->template_id;
+ }
+ else if (event == NAT64_SESSION_CREATE)
+ {
+ field_count = NAT64_SES_FIELD_COUNT;
+ silm->nat64_ses_template_id = fr->template_id;
+ }
else if (event == QUOTA_EXCEEDED)
{
if (quota_event == MAX_ENTRIES_PER_USER)
field_count = MAX_ENTRIES_PER_USER_FIELD_COUNT;
silm->max_entries_per_user_template_id = fr->template_id;
}
+ else if (quota_event == MAX_SESSION_ENTRIES)
+ {
+ field_count = MAX_SESSIONS_FIELD_COUNT;
+ silm->max_sessions_template_id = fr->template_id;
+ }
+ else if (quota_event == MAX_BIB_ENTRIES)
+ {
+ field_count = MAX_BIBS_FIELD_COUNT;
+ silm->max_bibs_template_id = fr->template_id;
+ }
+ else if (quota_event == MAX_FRAGMENTS_PENDING_REASSEMBLY)
+ {
+ field_count = MAX_FRAGMENTS_FIELD_COUNT;
+ silm->max_frags_ip4_template_id = fr->template_id;
+ }
+ else if (quota_event == MAX_FRAGMENTS_PENDING_REASSEMBLY_IP6)
+ {
+ field_count = MAX_FRAGMENTS_FIELD_COUNT;
+ silm->max_frags_ip6_template_id = fr->template_id;
+ }
}
/* allocate rewrite space */
f->e_id_length = ipfix_e_id_length (0, ingressVRFID, 4);
f++;
}
+ else if (event == NAT64_BIB_CREATE)
+ {
+ f->e_id_length = ipfix_e_id_length (0, observationTimeMilliseconds, 8);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natEvent, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, sourceIPv6Address, 16);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, postNATSourceIPv4Address, 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, protocolIdentifier, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, sourceTransportPort, 2);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, postNAPTSourceTransportPort, 2);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, ingressVRFID, 4);
+ f++;
+ }
+ else if (event == NAT64_SESSION_CREATE)
+ {
+ f->e_id_length = ipfix_e_id_length (0, observationTimeMilliseconds, 8);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natEvent, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, sourceIPv6Address, 16);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, postNATSourceIPv4Address, 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, protocolIdentifier, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, sourceTransportPort, 2);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, postNAPTSourceTransportPort, 2);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, destinationIPv6Address, 16);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, postNATDestinationIPv4Address, 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, destinationTransportPort, 2);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, postNAPTDestinationTransportPort,
+ 2);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, ingressVRFID, 4);
+ f++;
+ }
else if (event == QUOTA_EXCEEDED)
{
if (quota_event == MAX_ENTRIES_PER_USER)
f++;
f->e_id_length = ipfix_e_id_length (0, natQuotaExceededEvent, 4);
f++;
+ f->e_id_length = ipfix_e_id_length (0, maxEntriesPerUser, 4);
+ f++;
f->e_id_length = ipfix_e_id_length (0, sourceIPv4Address, 4);
f++;
}
+ else if (quota_event == MAX_SESSION_ENTRIES)
+ {
+ f->e_id_length = ipfix_e_id_length (0, observationTimeMilliseconds,
+ 8);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natEvent, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natQuotaExceededEvent, 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, maxSessionEntries, 4);
+ f++;
+ }
+ else if (quota_event == MAX_BIB_ENTRIES)
+ {
+ f->e_id_length = ipfix_e_id_length (0, observationTimeMilliseconds,
+ 8);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natEvent, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natQuotaExceededEvent, 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, maxBIBEntries, 4);
+ f++;
+ }
+ else if (quota_event == MAX_FRAGMENTS_PENDING_REASSEMBLY)
+ {
+ f->e_id_length = ipfix_e_id_length (0, observationTimeMilliseconds,
+ 8);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natEvent, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natQuotaExceededEvent, 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, maxFragmentsPendingReassembly,
+ 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, sourceIPv4Address, 4);
+ f++;
+ }
+ else if (quota_event == MAX_FRAGMENTS_PENDING_REASSEMBLY_IP6)
+ {
+ f->e_id_length = ipfix_e_id_length (0, observationTimeMilliseconds,
+ 8);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natEvent, 1);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, natQuotaExceededEvent, 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, maxFragmentsPendingReassembly,
+ 4);
+ f++;
+ f->e_id_length = ipfix_e_id_length (0, sourceIPv6Address, 16);
+ f++;
+ }
}
/* Back to the template packet... */
flow_report_t * fr,
ip4_address_t * collector_address,
ip4_address_t * src_address,
- u16 collector_port)
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
{
return snat_template_rewrite (frm, fr, collector_address, src_address,
collector_port, NAT_ADDRESSES_EXHAUTED, 0);
flow_report_t * fr,
ip4_address_t * collector_address,
ip4_address_t * src_address,
- u16 collector_port)
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
{
return snat_template_rewrite (frm, fr, collector_address, src_address,
collector_port, NAT44_SESSION_CREATE, 0);
flow_report_t * fr,
ip4_address_t * collector_address,
ip4_address_t * src_address,
- u16 collector_port)
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
{
return snat_template_rewrite (frm, fr, collector_address, src_address,
collector_port, QUOTA_EXCEEDED,
MAX_ENTRIES_PER_USER);
}
+u8 *
+nat_template_rewrite_max_sessions (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
+{
+ return snat_template_rewrite (frm, fr, collector_address, src_address,
+ collector_port, QUOTA_EXCEEDED,
+ MAX_SESSION_ENTRIES);
+}
+
+u8 *
+nat_template_rewrite_max_bibs (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
+{
+ return snat_template_rewrite (frm, fr, collector_address, src_address,
+ collector_port, QUOTA_EXCEEDED,
+ MAX_BIB_ENTRIES);
+}
+
+u8 *
+nat_template_rewrite_max_frags_ip4 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
+{
+ return snat_template_rewrite (frm, fr, collector_address, src_address,
+ collector_port, QUOTA_EXCEEDED,
+ MAX_FRAGMENTS_PENDING_REASSEMBLY);
+}
+
+u8 *
+nat_template_rewrite_max_frags_ip6 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
+{
+ return snat_template_rewrite (frm, fr, collector_address, src_address,
+ collector_port, QUOTA_EXCEEDED,
+ MAX_FRAGMENTS_PENDING_REASSEMBLY_IP6);
+}
+
+u8 *
+nat_template_rewrite_nat64_bib (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
+{
+ return snat_template_rewrite (frm, fr, collector_address, src_address,
+ collector_port, NAT64_BIB_CREATE, 0);
+}
+
+u8 *
+nat_template_rewrite_nat64_session (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port,
+ ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)
+{
+ return snat_template_rewrite (frm, fr, collector_address, src_address,
+ collector_port, NAT64_SESSION_CREATE, 0);
+}
+
static inline void
snat_ipfix_header_create (flow_report_main_t * frm,
vlib_buffer_t * b0, u32 * offset)
b0->current_data = 0;
b0->current_length = sizeof (*ip) + sizeof (*udp) + sizeof (*h) +
sizeof (*s);
- b0->flags |= (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_FLOW_REPORT);
+ b0->flags |= (VLIB_BUFFER_TOTAL_LENGTH_VALID | VNET_BUFFER_F_FLOW_REPORT);
vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;
vnet_buffer (b0)->sw_if_index[VLIB_TX] = frm->fib_index;
tp = vlib_buffer_get_current (b0);
}
static void
-snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush)
+snat_ipfix_logging_max_entries_per_usr (u32 limit, u32 src_ip, int do_flush)
{
snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
flow_report_main_t *frm = &flow_report_main;
clib_memcpy (b0->data + offset, "a_event, sizeof (quota_event));
offset += sizeof (quota_event);
+ clib_memcpy (b0->data + offset, &limit, sizeof (limit));
+ offset += sizeof (limit);
+
clib_memcpy (b0->data + offset, &src_ip, sizeof (src_ip));
offset += sizeof (src_ip);
}
static void
-snat_ipfix_logging_nat44_ses_rpc_cb (snat_ipfix_logging_nat44_ses_args_t * a)
+nat_ipfix_logging_max_ses (u32 limit, int do_flush)
{
- snat_ipfix_logging_nat44_ses (a->nat_event, a->src_ip, a->nat_src_ip,
- a->snat_proto, a->src_port, a->nat_src_port,
- a->vrf_id, 0);
-}
+ snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_frame_t *f;
+ vlib_buffer_t *b0 = 0;
+ u32 bi0 = ~0;
+ u32 offset;
+ vlib_main_t *vm = frm->vlib_main;
+ u64 now;
+ vlib_buffer_free_list_t *fl;
+ u8 nat_event = QUOTA_EXCEEDED;
+ u32 quota_event = MAX_SESSION_ENTRIES;
-/**
- * @brief Generate NAT44 session create event
- *
- * @param src_ip source IPv4 address
- * @param nat_src_ip transaltes source IPv4 address
- * @param snat_proto NAT transport protocol
- * @param src_port source port
- * @param nat_src_port translated source port
- * @param vrf_id VRF ID
- */
-void
-snat_ipfix_logging_nat44_ses_create (u32 src_ip,
- u32 nat_src_ip,
- snat_protocol_t snat_proto,
- u16 src_port,
- u16 nat_src_port, u32 vrf_id)
-{
- snat_ipfix_logging_nat44_ses_args_t a;
+ if (!silm->enabled)
+ return;
- skip_if_disabled ();
+ now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
+ now += silm->milisecond_time_0;
- a.nat_event = NAT44_SESSION_CREATE;
- a.src_ip = src_ip;
- a.nat_src_ip = nat_src_ip;
- a.snat_proto = snat_proto;
- a.src_port = src_port;
- a.nat_src_port = nat_src_port;
- a.vrf_id = vrf_id;
+ b0 = silm->max_sessions_buffer;
- vl_api_rpc_call_main_thread (snat_ipfix_logging_nat44_ses_rpc_cb,
- (u8 *) & a, sizeof (a));
-}
+ if (PREDICT_FALSE (b0 == 0))
+ {
+ if (do_flush)
+ return;
-/**
- * @brief Generate NAT44 session delete event
- *
- * @param src_ip source IPv4 address
- * @param nat_src_ip transaltes source IPv4 address
- * @param snat_proto NAT transport protocol
- * @param src_port source port
- * @param nat_src_port translated source port
- * @param vrf_id VRF ID
- */
-void
-snat_ipfix_logging_nat44_ses_delete (u32 src_ip,
- u32 nat_src_ip,
- snat_protocol_t snat_proto,
- u16 src_port,
- u16 nat_src_port, u32 vrf_id)
-{
- snat_ipfix_logging_nat44_ses_args_t a;
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ clib_warning ("can't allocate buffer for NAT IPFIX event");
+ return;
+ }
- skip_if_disabled ();
+ b0 = silm->max_sessions_buffer = vlib_get_buffer (vm, bi0);
+ fl =
+ vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ vlib_buffer_init_for_free_list (b0, fl);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ offset = 0;
+ }
+ else
+ {
+ bi0 = vlib_get_buffer_index (vm, b0);
+ offset = silm->max_sessions_next_record_offset;
+ }
- a.nat_event = NAT44_SESSION_DELETE;
- a.src_ip = src_ip;
- a.nat_src_ip = nat_src_ip;
- a.snat_proto = snat_proto;
- a.src_port = src_port;
- a.nat_src_port = nat_src_port;
- a.vrf_id = vrf_id;
+ f = silm->max_sessions_frame;
+ if (PREDICT_FALSE (f == 0))
+ {
+ u32 *to_next;
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ silm->max_sessions_frame = f;
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ }
- vl_api_rpc_call_main_thread (snat_ipfix_logging_nat44_ses_rpc_cb,
- (u8 *) & a, sizeof (a));
-}
+ if (PREDICT_FALSE (offset == 0))
+ snat_ipfix_header_create (frm, b0, &offset);
-vlib_frame_t *
-snat_data_callback_nat44_session (flow_report_main_t * frm,
+ if (PREDICT_TRUE (do_flush == 0))
+ {
+ u64 time_stamp = clib_host_to_net_u64 (now);
+ clib_memcpy (b0->data + offset, &time_stamp, sizeof (time_stamp));
+ offset += sizeof (time_stamp);
+
+ clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event));
+ offset += sizeof (nat_event);
+
+ clib_memcpy (b0->data + offset, "a_event, sizeof (quota_event));
+ offset += sizeof (quota_event);
+
+ clib_memcpy (b0->data + offset, &limit, sizeof (limit));
+ offset += sizeof (limit);
+
+ b0->current_length += MAX_SESSIONS_LEN;
+ }
+
+ if (PREDICT_FALSE
+ (do_flush || (offset + MAX_SESSIONS_LEN) > frm->path_mtu))
+ {
+ snat_ipfix_send (frm, f, b0, silm->max_sessions_template_id);
+ silm->max_sessions_frame = 0;
+ silm->max_sessions_buffer = 0;
+ offset = 0;
+ }
+ silm->max_sessions_next_record_offset = offset;
+}
+
+static void
+nat_ipfix_logging_max_bib (u32 limit, int do_flush)
+{
+ snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_frame_t *f;
+ vlib_buffer_t *b0 = 0;
+ u32 bi0 = ~0;
+ u32 offset;
+ vlib_main_t *vm = frm->vlib_main;
+ u64 now;
+ vlib_buffer_free_list_t *fl;
+ u8 nat_event = QUOTA_EXCEEDED;
+ u32 quota_event = MAX_BIB_ENTRIES;
+
+ if (!silm->enabled)
+ return;
+
+ now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
+ now += silm->milisecond_time_0;
+
+ b0 = silm->max_bibs_buffer;
+
+ if (PREDICT_FALSE (b0 == 0))
+ {
+ if (do_flush)
+ return;
+
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ clib_warning ("can't allocate buffer for NAT IPFIX event");
+ return;
+ }
+
+ b0 = silm->max_bibs_buffer = vlib_get_buffer (vm, bi0);
+ fl =
+ vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ vlib_buffer_init_for_free_list (b0, fl);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ offset = 0;
+ }
+ else
+ {
+ bi0 = vlib_get_buffer_index (vm, b0);
+ offset = silm->max_bibs_next_record_offset;
+ }
+
+ f = silm->max_bibs_frame;
+ if (PREDICT_FALSE (f == 0))
+ {
+ u32 *to_next;
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ silm->max_bibs_frame = f;
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ }
+
+ if (PREDICT_FALSE (offset == 0))
+ snat_ipfix_header_create (frm, b0, &offset);
+
+ if (PREDICT_TRUE (do_flush == 0))
+ {
+ u64 time_stamp = clib_host_to_net_u64 (now);
+ clib_memcpy (b0->data + offset, &time_stamp, sizeof (time_stamp));
+ offset += sizeof (time_stamp);
+
+ clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event));
+ offset += sizeof (nat_event);
+
+ clib_memcpy (b0->data + offset, "a_event, sizeof (quota_event));
+ offset += sizeof (quota_event);
+
+ clib_memcpy (b0->data + offset, &limit, sizeof (limit));
+ offset += sizeof (limit);
+
+ b0->current_length += MAX_BIBS_LEN;
+ }
+
+ if (PREDICT_FALSE
+ (do_flush || (offset + MAX_BIBS_LEN) > frm->path_mtu))
+ {
+ snat_ipfix_send (frm, f, b0, silm->max_bibs_template_id);
+ silm->max_bibs_frame = 0;
+ silm->max_bibs_buffer = 0;
+ offset = 0;
+ }
+ silm->max_bibs_next_record_offset = offset;
+}
+
+static void
+nat_ipfix_logging_max_frag_ip4 (u32 limit, u32 src, int do_flush)
+{
+ snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_frame_t *f;
+ vlib_buffer_t *b0 = 0;
+ u32 bi0 = ~0;
+ u32 offset;
+ vlib_main_t *vm = frm->vlib_main;
+ u64 now;
+ vlib_buffer_free_list_t *fl;
+ u8 nat_event = QUOTA_EXCEEDED;
+ u32 quota_event = MAX_FRAGMENTS_PENDING_REASSEMBLY;
+
+ if (!silm->enabled)
+ return;
+
+ now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
+ now += silm->milisecond_time_0;
+
+ b0 = silm->max_frags_ip4_buffer;
+
+ if (PREDICT_FALSE (b0 == 0))
+ {
+ if (do_flush)
+ return;
+
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ clib_warning ("can't allocate buffer for NAT IPFIX event");
+ return;
+ }
+
+ b0 = silm->max_frags_ip4_buffer = vlib_get_buffer (vm, bi0);
+ fl =
+ vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ vlib_buffer_init_for_free_list (b0, fl);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ offset = 0;
+ }
+ else
+ {
+ bi0 = vlib_get_buffer_index (vm, b0);
+ offset = silm->max_frags_ip4_next_record_offset;
+ }
+
+ f = silm->max_frags_ip4_frame;
+ if (PREDICT_FALSE (f == 0))
+ {
+ u32 *to_next;
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ silm->max_frags_ip4_frame = f;
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ }
+
+ if (PREDICT_FALSE (offset == 0))
+ snat_ipfix_header_create (frm, b0, &offset);
+
+ if (PREDICT_TRUE (do_flush == 0))
+ {
+ u64 time_stamp = clib_host_to_net_u64 (now);
+ clib_memcpy (b0->data + offset, &time_stamp, sizeof (time_stamp));
+ offset += sizeof (time_stamp);
+
+ clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event));
+ offset += sizeof (nat_event);
+
+ clib_memcpy (b0->data + offset, "a_event, sizeof (quota_event));
+ offset += sizeof (quota_event);
+
+ clib_memcpy (b0->data + offset, &limit, sizeof (limit));
+ offset += sizeof (limit);
+
+ clib_memcpy (b0->data + offset, &src, sizeof (src));
+ offset += sizeof (src);
+
+ b0->current_length += MAX_FRAGMENTS_IP4_LEN;
+ }
+
+ if (PREDICT_FALSE
+ (do_flush || (offset + MAX_BIBS_LEN) > frm->path_mtu))
+ {
+ snat_ipfix_send (frm, f, b0, silm->max_frags_ip4_template_id);
+ silm->max_frags_ip4_frame = 0;
+ silm->max_frags_ip4_buffer = 0;
+ offset = 0;
+ }
+ silm->max_frags_ip4_next_record_offset = offset;
+}
+
+static void
+nat_ipfix_logging_max_frag_ip6 (u32 limit, ip6_address_t * src, int do_flush)
+{
+ snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_frame_t *f;
+ vlib_buffer_t *b0 = 0;
+ u32 bi0 = ~0;
+ u32 offset;
+ vlib_main_t *vm = frm->vlib_main;
+ u64 now;
+ vlib_buffer_free_list_t *fl;
+ u8 nat_event = QUOTA_EXCEEDED;
+ u32 quota_event = MAX_FRAGMENTS_PENDING_REASSEMBLY;
+
+ if (!silm->enabled)
+ return;
+
+ now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
+ now += silm->milisecond_time_0;
+
+ b0 = silm->max_frags_ip6_buffer;
+
+ if (PREDICT_FALSE (b0 == 0))
+ {
+ if (do_flush)
+ return;
+
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ clib_warning ("can't allocate buffer for NAT IPFIX event");
+ return;
+ }
+
+ b0 = silm->max_frags_ip6_buffer = vlib_get_buffer (vm, bi0);
+ fl =
+ vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ vlib_buffer_init_for_free_list (b0, fl);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ offset = 0;
+ }
+ else
+ {
+ bi0 = vlib_get_buffer_index (vm, b0);
+ offset = silm->max_frags_ip6_next_record_offset;
+ }
+
+ f = silm->max_frags_ip6_frame;
+ if (PREDICT_FALSE (f == 0))
+ {
+ u32 *to_next;
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ silm->max_frags_ip6_frame = f;
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ }
+
+ if (PREDICT_FALSE (offset == 0))
+ snat_ipfix_header_create (frm, b0, &offset);
+
+ if (PREDICT_TRUE (do_flush == 0))
+ {
+ u64 time_stamp = clib_host_to_net_u64 (now);
+ clib_memcpy (b0->data + offset, &time_stamp, sizeof (time_stamp));
+ offset += sizeof (time_stamp);
+
+ clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event));
+ offset += sizeof (nat_event);
+
+ clib_memcpy (b0->data + offset, "a_event, sizeof (quota_event));
+ offset += sizeof (quota_event);
+
+ clib_memcpy (b0->data + offset, &limit, sizeof (limit));
+ offset += sizeof (limit);
+
+ clib_memcpy (b0->data + offset, src, sizeof (ip6_address_t));
+ offset += sizeof (ip6_address_t);
+
+ b0->current_length += MAX_FRAGMENTS_IP6_LEN;
+ }
+
+ if (PREDICT_FALSE
+ (do_flush || (offset + MAX_BIBS_LEN) > frm->path_mtu))
+ {
+ snat_ipfix_send (frm, f, b0, silm->max_frags_ip6_template_id);
+ silm->max_frags_ip6_frame = 0;
+ silm->max_frags_ip6_buffer = 0;
+ offset = 0;
+ }
+ silm->max_frags_ip6_next_record_offset = offset;
+}
+
+static void
+nat_ipfix_logging_nat64_bibe (u8 nat_event, ip6_address_t * src_ip,
+ u32 nat_src_ip, u8 proto, u16 src_port,
+ u16 nat_src_port, u32 vrf_id, int do_flush)
+{
+ snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_frame_t *f;
+ vlib_buffer_t *b0 = 0;
+ u32 bi0 = ~0;
+ u32 offset;
+ vlib_main_t *vm = frm->vlib_main;
+ u64 now;
+ vlib_buffer_free_list_t *fl;
+
+ if (!silm->enabled)
+ return;
+
+ now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
+ now += silm->milisecond_time_0;
+
+ b0 = silm->nat64_bib_buffer;
+
+ if (PREDICT_FALSE (b0 == 0))
+ {
+ if (do_flush)
+ return;
+
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ clib_warning ("can't allocate buffer for NAT IPFIX event");
+ return;
+ }
+
+ b0 = silm->nat64_bib_buffer = vlib_get_buffer (vm, bi0);
+ fl =
+ vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ vlib_buffer_init_for_free_list (b0, fl);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ offset = 0;
+ }
+ else
+ {
+ bi0 = vlib_get_buffer_index (vm, b0);
+ offset = silm->nat64_bib_next_record_offset;
+ }
+
+ f = silm->nat64_bib_frame;
+ if (PREDICT_FALSE (f == 0))
+ {
+ u32 *to_next;
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ silm->nat64_bib_frame = f;
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ }
+
+ if (PREDICT_FALSE (offset == 0))
+ snat_ipfix_header_create (frm, b0, &offset);
+
+ if (PREDICT_TRUE (do_flush == 0))
+ {
+ u64 time_stamp = clib_host_to_net_u64 (now);
+ clib_memcpy (b0->data + offset, &time_stamp, sizeof (time_stamp));
+ offset += sizeof (time_stamp);
+
+ clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event));
+ offset += sizeof (nat_event);
+
+ clib_memcpy (b0->data + offset, src_ip, sizeof (ip6_address_t));
+ offset += sizeof (ip6_address_t);
+
+ clib_memcpy (b0->data + offset, &nat_src_ip, sizeof (nat_src_ip));
+ offset += sizeof (nat_src_ip);
+
+ clib_memcpy (b0->data + offset, &proto, sizeof (proto));
+ offset += sizeof (proto);
+
+ clib_memcpy (b0->data + offset, &src_port, sizeof (src_port));
+ offset += sizeof (src_port);
+
+ clib_memcpy (b0->data + offset, &nat_src_port, sizeof (nat_src_port));
+ offset += sizeof (nat_src_port);
+
+ clib_memcpy (b0->data + offset, &vrf_id, sizeof (vrf_id));
+ offset += sizeof (vrf_id);
+
+ b0->current_length += NAT64_BIB_LEN;
+ }
+
+ if (PREDICT_FALSE
+ (do_flush || (offset + NAT64_BIB_LEN) > frm->path_mtu))
+ {
+ snat_ipfix_send (frm, f, b0, silm->nat64_bib_template_id);
+ silm->nat64_bib_frame = 0;
+ silm->nat64_bib_buffer = 0;
+ offset = 0;
+ }
+ silm->nat64_bib_next_record_offset = offset;
+}
+
+static void
+nat_ipfix_logging_nat64_ses (u8 nat_event, ip6_address_t * src_ip,
+ u32 nat_src_ip, u8 proto, u16 src_port,
+ u16 nat_src_port, ip6_address_t * dst_ip,
+ u32 nat_dst_ip, u16 dst_port, u16 nat_dst_port,
+ u32 vrf_id, int do_flush)
+{
+ snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_frame_t *f;
+ vlib_buffer_t *b0 = 0;
+ u32 bi0 = ~0;
+ u32 offset;
+ vlib_main_t *vm = frm->vlib_main;
+ u64 now;
+ vlib_buffer_free_list_t *fl;
+
+ if (!silm->enabled)
+ return;
+
+ now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
+ now += silm->milisecond_time_0;
+
+ b0 = silm->nat64_ses_buffer;
+
+ if (PREDICT_FALSE (b0 == 0))
+ {
+ if (do_flush)
+ return;
+
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ clib_warning ("can't allocate buffer for NAT IPFIX event");
+ return;
+ }
+
+ b0 = silm->nat64_ses_buffer = vlib_get_buffer (vm, bi0);
+ fl =
+ vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ vlib_buffer_init_for_free_list (b0, fl);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ offset = 0;
+ }
+ else
+ {
+ bi0 = vlib_get_buffer_index (vm, b0);
+ offset = silm->nat64_ses_next_record_offset;
+ }
+
+ f = silm->nat64_ses_frame;
+ if (PREDICT_FALSE (f == 0))
+ {
+ u32 *to_next;
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ silm->nat64_ses_frame = f;
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ }
+
+ if (PREDICT_FALSE (offset == 0))
+ snat_ipfix_header_create (frm, b0, &offset);
+
+ if (PREDICT_TRUE (do_flush == 0))
+ {
+ u64 time_stamp = clib_host_to_net_u64 (now);
+ clib_memcpy (b0->data + offset, &time_stamp, sizeof (time_stamp));
+ offset += sizeof (time_stamp);
+
+ clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event));
+ offset += sizeof (nat_event);
+
+ clib_memcpy (b0->data + offset, src_ip, sizeof (ip6_address_t));
+ offset += sizeof (ip6_address_t);
+
+ clib_memcpy (b0->data + offset, &nat_src_ip, sizeof (nat_src_ip));
+ offset += sizeof (nat_src_ip);
+
+ clib_memcpy (b0->data + offset, &proto, sizeof (proto));
+ offset += sizeof (proto);
+
+ clib_memcpy (b0->data + offset, &src_port, sizeof (src_port));
+ offset += sizeof (src_port);
+
+ clib_memcpy (b0->data + offset, &nat_src_port, sizeof (nat_src_port));
+ offset += sizeof (nat_src_port);
+
+ clib_memcpy (b0->data + offset, dst_ip, sizeof (ip6_address_t));
+ offset += sizeof (ip6_address_t);
+
+ clib_memcpy (b0->data + offset, &nat_dst_ip, sizeof (nat_dst_ip));
+ offset += sizeof (nat_dst_ip);
+
+ clib_memcpy (b0->data + offset, &dst_port, sizeof (dst_port));
+ offset += sizeof (dst_port);
+
+ clib_memcpy (b0->data + offset, &nat_dst_port, sizeof (nat_dst_port));
+ offset += sizeof (nat_dst_port);
+
+ clib_memcpy (b0->data + offset, &vrf_id, sizeof (vrf_id));
+ offset += sizeof (vrf_id);
+
+ b0->current_length += NAT64_SES_LEN;
+ }
+
+ if (PREDICT_FALSE
+ (do_flush || (offset + NAT64_SES_LEN) > frm->path_mtu))
+ {
+ snat_ipfix_send (frm, f, b0, silm->nat64_ses_template_id);
+ silm->nat64_ses_frame = 0;
+ silm->nat64_ses_buffer = 0;
+ offset = 0;
+ }
+ silm->nat64_ses_next_record_offset = offset;
+}
+
+static void
+snat_ipfix_logging_nat44_ses_rpc_cb (snat_ipfix_logging_nat44_ses_args_t * a)
+{
+ snat_ipfix_logging_nat44_ses (a->nat_event, a->src_ip, a->nat_src_ip,
+ a->snat_proto, a->src_port, a->nat_src_port,
+ a->vrf_id, 0);
+}
+
+/**
+ * @brief Generate NAT44 session create event
+ *
+ * @param src_ip source IPv4 address
+ * @param nat_src_ip transaltes source IPv4 address
+ * @param snat_proto NAT transport protocol
+ * @param src_port source port
+ * @param nat_src_port translated source port
+ * @param vrf_id VRF ID
+ */
+void
+snat_ipfix_logging_nat44_ses_create (u32 src_ip,
+ u32 nat_src_ip,
+ snat_protocol_t snat_proto,
+ u16 src_port,
+ u16 nat_src_port, u32 vrf_id)
+{
+ snat_ipfix_logging_nat44_ses_args_t a;
+
+ skip_if_disabled ();
+
+ a.nat_event = NAT44_SESSION_CREATE;
+ a.src_ip = src_ip;
+ a.nat_src_ip = nat_src_ip;
+ a.snat_proto = snat_proto;
+ a.src_port = src_port;
+ a.nat_src_port = nat_src_port;
+ a.vrf_id = vrf_id;
+
+ vl_api_rpc_call_main_thread (snat_ipfix_logging_nat44_ses_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+/**
+ * @brief Generate NAT44 session delete event
+ *
+ * @param src_ip source IPv4 address
+ * @param nat_src_ip transaltes source IPv4 address
+ * @param snat_proto NAT transport protocol
+ * @param src_port source port
+ * @param nat_src_port translated source port
+ * @param vrf_id VRF ID
+ */
+void
+snat_ipfix_logging_nat44_ses_delete (u32 src_ip,
+ u32 nat_src_ip,
+ snat_protocol_t snat_proto,
+ u16 src_port,
+ u16 nat_src_port, u32 vrf_id)
+{
+ snat_ipfix_logging_nat44_ses_args_t a;
+
+ skip_if_disabled ();
+
+ a.nat_event = NAT44_SESSION_DELETE;
+ a.src_ip = src_ip;
+ a.nat_src_ip = nat_src_ip;
+ a.snat_proto = snat_proto;
+ a.src_port = src_port;
+ a.nat_src_port = nat_src_port;
+ a.vrf_id = vrf_id;
+
+ vl_api_rpc_call_main_thread (snat_ipfix_logging_nat44_ses_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+vlib_frame_t *
+snat_data_callback_nat44_session (flow_report_main_t * frm,
flow_report_t * fr,
vlib_frame_t * f,
u32 * to_next, u32 node_index)
snat_ipfix_logging_max_entries_per_usr_rpc_cb
(snat_ipfix_logging_max_entries_per_user_args_t * a)
{
- snat_ipfix_logging_max_entries_per_usr (a->src_ip, 0);
+ snat_ipfix_logging_max_entries_per_usr (a->limit, a->src_ip, 0);
}
/**
* @brief Generate maximum entries per user exceeded event
*
+ * @param limit maximum NAT entries that can be created per user
* @param src_ip source IPv4 address
*/
void
-snat_ipfix_logging_max_entries_per_user (u32 src_ip)
+snat_ipfix_logging_max_entries_per_user (u32 limit, u32 src_ip)
{
//TODO: This event SHOULD be rate limited
snat_ipfix_logging_max_entries_per_user_args_t a;
skip_if_disabled ();
+ a.limit = limit;
a.src_ip = src_ip;
vl_api_rpc_call_main_thread (snat_ipfix_logging_max_entries_per_usr_rpc_cb,
vlib_frame_t * f,
u32 * to_next, u32 node_index)
{
- snat_ipfix_logging_max_entries_per_usr (0, 1);
+ snat_ipfix_logging_max_entries_per_usr (0, 0, 1);
+ return f;
+}
+
+static void
+nat_ipfix_logging_max_ses_rpc_cb (nat_ipfix_logging_max_sessions_args_t * a)
+{
+ nat_ipfix_logging_max_ses (a->limit, 0);
+}
+
+/**
+ * @brief Generate maximum session entries exceeded event
+ *
+ * @param limit configured limit
+ */
+void
+nat_ipfix_logging_max_sessions (u32 limit)
+{
+ //TODO: This event SHOULD be rate limited
+ nat_ipfix_logging_max_sessions_args_t a;
+
+ skip_if_disabled ();
+
+ a.limit = limit;
+
+ vl_api_rpc_call_main_thread (nat_ipfix_logging_max_ses_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+vlib_frame_t *
+nat_data_callback_max_sessions (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f,
+ u32 * to_next, u32 node_index)
+{
+ nat_ipfix_logging_max_ses (0, 1);
+ return f;
+}
+
+static void
+nat_ipfix_logging_max_bib_rpc_cb (nat_ipfix_logging_max_bibs_args_t * a)
+{
+ nat_ipfix_logging_max_bib (a->limit, 0);
+}
+
+/**
+ * @brief Generate maximum BIB entries exceeded event
+ *
+ * @param limit configured limit
+ */
+void
+nat_ipfix_logging_max_bibs (u32 limit)
+{
+ //TODO: This event SHOULD be rate limited
+ nat_ipfix_logging_max_bibs_args_t a;
+
+ skip_if_disabled ();
+
+ a.limit = limit;
+
+ vl_api_rpc_call_main_thread (nat_ipfix_logging_max_bib_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+vlib_frame_t *
+nat_data_callback_max_bibs (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f,
+ u32 * to_next, u32 node_index)
+{
+ nat_ipfix_logging_max_bib (0, 1);
+ return f;
+}
+
+static void
+nat_ipfix_logging_max_frag_ip4_rpc_cb (nat_ipfix_logging_max_frags_ip4_args_t * a)
+{
+ nat_ipfix_logging_max_frag_ip4 (a->limit, a->src, 0);
+}
+
+/**
+ * @brief Generate maximum IPv4 fragments pending reassembly exceeded event
+ *
+ * @param limit configured limit
+ * @param src source IPv4 address
+ */
+void
+nat_ipfix_logging_max_fragments_ip4 (u32 limit, ip4_address_t * src)
+{
+ //TODO: This event SHOULD be rate limited
+ nat_ipfix_logging_max_frags_ip4_args_t a;
+
+ skip_if_disabled ();
+
+ a.limit = limit;
+ a.src = src->as_u32;
+
+ vl_api_rpc_call_main_thread (nat_ipfix_logging_max_frag_ip4_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+vlib_frame_t *
+nat_data_callback_max_frags_ip4 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f,
+ u32 * to_next, u32 node_index)
+{
+ nat_ipfix_logging_max_frag_ip4 (0, 0, 1);
+ return f;
+}
+
+static void
+nat_ipfix_logging_max_frag_ip6_rpc_cb (nat_ipfix_logging_max_frags_ip6_args_t * a)
+{
+ ip6_address_t src;
+ src.as_u64[0] = a->src[0];
+ src.as_u64[1] = a->src[1];
+ nat_ipfix_logging_max_frag_ip6 (a->limit, &src, 0);
+}
+
+/**
+ * @brief Generate maximum IPv6 fragments pending reassembly exceeded event
+ *
+ * @param limit configured limit
+ * @param src source IPv6 address
+ */
+void
+nat_ipfix_logging_max_fragments_ip6 (u32 limit, ip6_address_t * src)
+{
+ //TODO: This event SHOULD be rate limited
+ nat_ipfix_logging_max_frags_ip6_args_t a;
+
+ skip_if_disabled ();
+
+ a.limit = limit;
+ a.src[0] = src->as_u64[0];
+ a.src[1] = src->as_u64[1];
+
+ vl_api_rpc_call_main_thread (nat_ipfix_logging_max_frag_ip6_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+vlib_frame_t *
+nat_data_callback_max_frags_ip6 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f,
+ u32 * to_next, u32 node_index)
+{
+ nat_ipfix_logging_max_frag_ip6 (0, 0, 1);
+ return f;
+}
+
+static void
+nat_ipfix_logging_nat64_bib_rpc_cb (nat_ipfix_logging_nat64_bib_args_t * a)
+{
+ ip6_address_t src_ip;
+ src_ip.as_u64[0] = a->src_ip[0];
+ src_ip.as_u64[1] = a->src_ip[1];
+ nat_ipfix_logging_nat64_bibe (a->nat_event, &src_ip, a->nat_src_ip,
+ a->proto, a->src_port, a->nat_src_port,
+ a->vrf_id, 0);
+}
+
+/**
+ * @brief Generate NAT64 BIB create and delete events
+ *
+ * @param src_ip source IPv6 address
+ * @param nat_src_ip transaltes source IPv4 address
+ * @param proto L4 protocol
+ * @param src_port source port
+ * @param nat_src_port translated source port
+ * @param vrf_id VRF ID
+ * @param is_create non-zero value if create event otherwise delete event
+ */
+void
+nat_ipfix_logging_nat64_bib (ip6_address_t * src_ip,
+ ip4_address_t * nat_src_ip, u8 proto,
+ u16 src_port, u16 nat_src_port, u32 vrf_id,
+ u8 is_create)
+{
+ nat_ipfix_logging_nat64_bib_args_t a;
+
+ skip_if_disabled ();
+
+ a.src_ip[0] = src_ip->as_u64[0];
+ a.src_ip[1] = src_ip->as_u64[1];
+ a.nat_src_ip = nat_src_ip->as_u32;
+ a.proto = proto;
+ a.src_port = src_port;
+ a.nat_src_port = nat_src_port;
+ a.vrf_id = vrf_id;
+ a.nat_event = is_create ? NAT64_BIB_CREATE : NAT64_BIB_DELETE;
+
+ vl_api_rpc_call_main_thread (nat_ipfix_logging_nat64_bib_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+vlib_frame_t *
+nat_data_callback_nat64_bib (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f,
+ u32 * to_next, u32 node_index)
+{
+ nat_ipfix_logging_nat64_bibe (0, 0, 0, 0, 0, 0, 0, 1);
+ return f;
+}
+
+static void
+nat_ipfix_logging_nat64_ses_rpc_cb (nat_ipfix_logging_nat64_ses_args_t * a)
+{
+ ip6_address_t src_ip, dst_ip;
+ src_ip.as_u64[0] = a->src_ip[0];
+ src_ip.as_u64[1] = a->src_ip[1];
+ dst_ip.as_u64[0] = a->dst_ip[0];
+ dst_ip.as_u64[1] = a->dst_ip[1];
+ nat_ipfix_logging_nat64_ses (a->nat_event, &src_ip, a->nat_src_ip,
+ a->proto, a->src_port, a->nat_src_port,
+ &dst_ip, a->nat_dst_ip, a->dst_port,
+ a->nat_dst_port, a->vrf_id, 0);
+}
+
+/**
+ * @brief Generate NAT64 session create and delete events
+ *
+ * @param src_ip source IPv6 address
+ * @param nat_src_ip transaltes source IPv4 address
+ * @param proto L4 protocol
+ * @param src_port source port
+ * @param nat_src_port translated source port
+ * @param dst_ip destination IPv6 address
+ * @param nat_dst_ip destination IPv4 address
+ * @param dst_port destination port
+ * @param nat_dst_port translated destination port
+ * @param vrf_id VRF ID
+ * @param is_create non-zero value if create event otherwise delete event
+ */
+void
+nat_ipfix_logging_nat64_session (ip6_address_t * src_ip,
+ ip4_address_t * nat_src_ip, u8 proto,
+ u16 src_port, u16 nat_src_port,
+ ip6_address_t * dst_ip,
+ ip4_address_t * nat_dst_ip, u16 dst_port,
+ u16 nat_dst_port, u32 vrf_id, u8 is_create)
+{
+ nat_ipfix_logging_nat64_ses_args_t a;
+
+ skip_if_disabled ();
+
+ a.src_ip[0] = src_ip->as_u64[0];
+ a.src_ip[1] = src_ip->as_u64[1];
+ a.nat_src_ip = nat_src_ip->as_u32;
+ a.proto = proto;
+ a.src_port = src_port;
+ a.nat_src_port = nat_src_port;
+ a.dst_ip[0] = dst_ip->as_u64[0];
+ a.dst_ip[1] = dst_ip->as_u64[1];
+ a.nat_dst_ip = nat_dst_ip->as_u32;
+ a.dst_port = dst_port;
+ a.nat_dst_port = nat_dst_port;
+ a.vrf_id = vrf_id;
+ a.nat_event = is_create ? NAT64_SESSION_CREATE : NAT64_SESSION_DELETE;
+
+ vl_api_rpc_call_main_thread (nat_ipfix_logging_nat64_ses_rpc_cb,
+ (u8 *) & a, sizeof (a));
+}
+
+vlib_frame_t *
+nat_data_callback_nat64_session (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f,
+ u32 * to_next, u32 node_index)
+{
+ nat_ipfix_logging_nat64_ses (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
return f;
}
clib_warning ("vnet_flow_report_add_del returned %d", rv);
return -1;
}
+
+ a.rewrite_callback = nat_template_rewrite_max_sessions;
+ a.flow_data_callback = nat_data_callback_max_sessions;
+
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
+ if (rv)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+
+ a.rewrite_callback = nat_template_rewrite_max_bibs;
+ a.flow_data_callback = nat_data_callback_max_bibs;
+
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
+ if (rv)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+
+ a.rewrite_callback = nat_template_rewrite_max_frags_ip4;
+ a.flow_data_callback = nat_data_callback_max_frags_ip4;
+
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
+ if (rv)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+
+ a.rewrite_callback = nat_template_rewrite_max_frags_ip6;
+ a.flow_data_callback = nat_data_callback_max_frags_ip6;
+
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
+ if (rv)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+
+ a.rewrite_callback = nat_template_rewrite_nat64_bib;
+ a.flow_data_callback = nat_data_callback_nat64_bib;
+
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
+ if (rv)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+
+ a.rewrite_callback = nat_template_rewrite_nat64_session;
+ a.flow_data_callback = nat_data_callback_nat64_session;
+
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
+ if (rv)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+
+ if (sm->endpoint_dependent)
+ {
+ a.rewrite_callback = snat_template_rewrite_max_entries_per_usr;
+ a.flow_data_callback = snat_data_callback_max_entries_per_usr;
+
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
+ if (rv)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+ }
}
return 0;
Code Review / vpp.git / blobdiff