X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat_ipfix_logging.c;h=042239fee85fdb90d87ab44d77a9c4ada7fee434;hb=10c5ff1;hp=18430f5a7b8b6e4b9ac5750f1e44e97353ce7d91;hpb=4619e19cf0e10b9f69eee535c91053930ec14a74;p=vpp.git diff --git a/src/plugins/nat/nat_ipfix_logging.c b/src/plugins/nat/nat_ipfix_logging.c index 18430f5a7b8..042239fee85 100644 --- a/src/plugins/nat/nat_ipfix_logging.c +++ b/src/plugins/nat/nat_ipfix_logging.c @@ -15,20 +15,31 @@ * limitations under the License. */ -#include +#include #include -#include +#include #include 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 { @@ -48,9 +59,58 @@ 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; \ @@ -105,6 +165,16 @@ snat_template_rewrite (flow_report_main_t * frm, 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) @@ -112,6 +182,26 @@ snat_template_rewrite (flow_report_main_t * frm, 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 */ @@ -169,6 +259,53 @@ snat_template_rewrite (flow_report_main_t * frm, 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) @@ -180,9 +317,65 @@ snat_template_rewrite (flow_report_main_t * frm, 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... */ @@ -211,7 +404,9 @@ snat_template_rewrite_addr_exhausted (flow_report_main_t * frm, 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); @@ -222,7 +417,9 @@ snat_template_rewrite_nat44_session (flow_report_main_t * frm, 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); @@ -233,13 +430,97 @@ snat_template_rewrite_max_entries_per_usr (flow_report_main_t * frm, 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) @@ -257,7 +538,7 @@ snat_ipfix_header_create (flow_report_main_t * frm, 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); @@ -359,7 +640,7 @@ snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, if (vlib_buffer_alloc (vm, &bi0, 1) != 1) { - clib_warning ("can't allocate buffer for NAT IPFIX event"); + nat_log_err ("can't allocate buffer for NAT IPFIX event"); return; } @@ -393,28 +674,28 @@ snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, 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)); + clib_memcpy_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); offset += sizeof (time_stamp); - clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event)); + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); offset += sizeof (nat_event); - clib_memcpy (b0->data + offset, &src_ip, sizeof (src_ip)); + clib_memcpy_fast (b0->data + offset, &src_ip, sizeof (src_ip)); offset += sizeof (src_ip); - clib_memcpy (b0->data + offset, &nat_src_ip, sizeof (nat_src_ip)); + clib_memcpy_fast (b0->data + offset, &nat_src_ip, sizeof (nat_src_ip)); offset += sizeof (nat_src_ip); - clib_memcpy (b0->data + offset, &proto, sizeof (proto)); + clib_memcpy_fast (b0->data + offset, &proto, sizeof (proto)); offset += sizeof (proto); - clib_memcpy (b0->data + offset, &src_port, sizeof (src_port)); + clib_memcpy_fast (b0->data + offset, &src_port, sizeof (src_port)); offset += sizeof (src_port); - clib_memcpy (b0->data + offset, &nat_src_port, sizeof (nat_src_port)); + clib_memcpy_fast (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)); + clib_memcpy_fast (b0->data + offset, &vrf_id, sizeof (vrf_id)); offset += sizeof (vrf_id); b0->current_length += NAT44_SESSION_CREATE_LEN; @@ -460,7 +741,7 @@ snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) if (vlib_buffer_alloc (vm, &bi0, 1) != 1) { - clib_warning ("can't allocate buffer for NAT IPFIX event"); + nat_log_err ("can't allocate buffer for NAT IPFIX event"); return; } @@ -494,13 +775,13 @@ snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) 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)); + clib_memcpy_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); offset += sizeof (time_stamp); - clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event)); + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); offset += sizeof (nat_event); - clib_memcpy (b0->data + offset, &pool_id, sizeof (pool_id)); + clib_memcpy_fast (b0->data + offset, &pool_id, sizeof (pool_id)); offset += sizeof (pool_id); b0->current_length += NAT_ADDRESSES_EXHAUTED_LEN; @@ -518,7 +799,7 @@ snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) } 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; @@ -547,7 +828,7 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) if (vlib_buffer_alloc (vm, &bi0, 1) != 1) { - clib_warning ("can't allocate buffer for NAT IPFIX event"); + nat_log_err ("can't allocate buffer for NAT IPFIX event"); return; } @@ -581,16 +862,19 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) 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)); + clib_memcpy_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); offset += sizeof (time_stamp); - clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event)); + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); offset += sizeof (nat_event); - clib_memcpy (b0->data + offset, "a_event, sizeof (quota_event)); + clib_memcpy_fast (b0->data + offset, "a_event, sizeof (quota_event)); offset += sizeof (quota_event); - clib_memcpy (b0->data + offset, &src_ip, sizeof (src_ip)); + clib_memcpy_fast (b0->data + offset, &limit, sizeof (limit)); + offset += sizeof (limit); + + clib_memcpy_fast (b0->data + offset, &src_ip, sizeof (src_ip)); offset += sizeof (src_ip); b0->current_length += MAX_ENTRIES_PER_USER_LEN; @@ -608,82 +892,666 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) } 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) + { + nat_log_err ("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, - flow_report_t * fr, + if (PREDICT_TRUE (do_flush == 0)) + { + u64 time_stamp = clib_host_to_net_u64 (now); + clib_memcpy_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); + offset += sizeof (time_stamp); + + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); + offset += sizeof (nat_event); + + clib_memcpy_fast (b0->data + offset, "a_event, sizeof (quota_event)); + offset += sizeof (quota_event); + + clib_memcpy_fast (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) + { + nat_log_err ("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_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); + offset += sizeof (time_stamp); + + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); + offset += sizeof (nat_event); + + clib_memcpy_fast (b0->data + offset, "a_event, sizeof (quota_event)); + offset += sizeof (quota_event); + + clib_memcpy_fast (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) + { + nat_log_err ("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_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); + offset += sizeof (time_stamp); + + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); + offset += sizeof (nat_event); + + clib_memcpy_fast (b0->data + offset, "a_event, sizeof (quota_event)); + offset += sizeof (quota_event); + + clib_memcpy_fast (b0->data + offset, &limit, sizeof (limit)); + offset += sizeof (limit); + + clib_memcpy_fast (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) + { + nat_log_err ("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_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); + offset += sizeof (time_stamp); + + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); + offset += sizeof (nat_event); + + clib_memcpy_fast (b0->data + offset, "a_event, sizeof (quota_event)); + offset += sizeof (quota_event); + + clib_memcpy_fast (b0->data + offset, &limit, sizeof (limit)); + offset += sizeof (limit); + + clib_memcpy_fast (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) + { + nat_log_err ("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_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); + offset += sizeof (time_stamp); + + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); + offset += sizeof (nat_event); + + clib_memcpy_fast (b0->data + offset, src_ip, sizeof (ip6_address_t)); + offset += sizeof (ip6_address_t); + + clib_memcpy_fast (b0->data + offset, &nat_src_ip, sizeof (nat_src_ip)); + offset += sizeof (nat_src_ip); + + clib_memcpy_fast (b0->data + offset, &proto, sizeof (proto)); + offset += sizeof (proto); + + clib_memcpy_fast (b0->data + offset, &src_port, sizeof (src_port)); + offset += sizeof (src_port); + + clib_memcpy_fast (b0->data + offset, &nat_src_port, sizeof (nat_src_port)); + offset += sizeof (nat_src_port); + + clib_memcpy_fast (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) + { + nat_log_err ("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_fast (b0->data + offset, &time_stamp, sizeof (time_stamp)); + offset += sizeof (time_stamp); + + clib_memcpy_fast (b0->data + offset, &nat_event, sizeof (nat_event)); + offset += sizeof (nat_event); + + clib_memcpy_fast (b0->data + offset, src_ip, sizeof (ip6_address_t)); + offset += sizeof (ip6_address_t); + + clib_memcpy_fast (b0->data + offset, &nat_src_ip, sizeof (nat_src_ip)); + offset += sizeof (nat_src_ip); + + clib_memcpy_fast (b0->data + offset, &proto, sizeof (proto)); + offset += sizeof (proto); + + clib_memcpy_fast (b0->data + offset, &src_port, sizeof (src_port)); + offset += sizeof (src_port); + + clib_memcpy_fast (b0->data + offset, &nat_src_port, sizeof (nat_src_port)); + offset += sizeof (nat_src_port); + + clib_memcpy_fast (b0->data + offset, dst_ip, sizeof (ip6_address_t)); + offset += sizeof (ip6_address_t); + + clib_memcpy_fast (b0->data + offset, &nat_dst_ip, sizeof (nat_dst_ip)); + offset += sizeof (nat_dst_ip); + + clib_memcpy_fast (b0->data + offset, &dst_port, sizeof (dst_port)); + offset += sizeof (dst_port); + + clib_memcpy_fast (b0->data + offset, &nat_dst_port, sizeof (nat_dst_port)); + offset += sizeof (nat_dst_port); + + clib_memcpy_fast (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) { @@ -731,22 +1599,24 @@ static void 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, @@ -759,7 +1629,279 @@ snat_data_callback_max_entries_per_usr (flow_report_main_t * frm, 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; } @@ -787,7 +1929,7 @@ snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port) silm->enabled = e; - memset (&a, 0, sizeof (a)); + clib_memset (&a, 0, sizeof (a)); a.is_add = enable; a.domain_id = domain_id ? domain_id : 1; a.src_port = src_port ? src_port : UDP_DST_PORT_ipfix; @@ -800,7 +1942,7 @@ snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port) rv = vnet_flow_report_add_del (frm, &a, NULL); if (rv) { - clib_warning ("vnet_flow_report_add_del returned %d", rv); + nat_log_warn ("vnet_flow_report_add_del returned %d", rv); return -1; } } @@ -812,7 +1954,7 @@ snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port) rv = vnet_flow_report_add_del (frm, &a, NULL); if (rv) { - clib_warning ("vnet_flow_report_add_del returned %d", rv); + nat_log_warn ("vnet_flow_report_add_del returned %d", rv); return -1; } @@ -822,9 +1964,82 @@ snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port) rv = vnet_flow_report_add_del (frm, &a, NULL); if (rv) { - clib_warning ("vnet_flow_report_add_del returned %d", rv); + nat_log_warn ("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) + { + nat_log_warn ("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) + { + nat_log_warn ("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) + { + nat_log_warn ("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) + { + nat_log_warn ("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) + { + nat_log_warn ("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) + { + nat_log_warn ("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) + { + nat_log_warn ("vnet_flow_report_add_del returned %d", rv); + return -1; + } + } } return 0;