-static void
-nat_ipfix_logging_max_frag_ip4 (u32 thread_index,
- u32 limit, u32 src, int do_flush)
-{
- snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
- snat_ipfix_per_thread_data_t *sitd = &silm->per_thread_data[thread_index];
- 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;
- u8 nat_event = QUOTA_EXCEEDED;
- u32 quota_event = MAX_FRAGMENTS_PENDING_REASSEMBLY;
- u16 template_id;
-
- now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
- now += silm->milisecond_time_0;
-
- b0 = sitd->max_frags_ip4_buffer;
-
- if (PREDICT_FALSE (b0 == 0))
- {
- if (do_flush)
- return;
-
- if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
- {
- nat_elog_err ("can't allocate buffer for NAT IPFIX event");
- return;
- }
-
- b0 = sitd->max_frags_ip4_buffer = vlib_get_buffer (vm, bi0);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- offset = 0;
- }
- else
- {
- bi0 = vlib_get_buffer_index (vm, b0);
- offset = sitd->max_frags_ip4_next_record_offset;
- }
-
- f = sitd->max_frags_ip4_frame;
- if (PREDICT_FALSE (f == 0))
- {
- u32 *to_next;
- f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
- sitd->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))
- {
- template_id = clib_atomic_fetch_or (
- &silm->max_frags_ip4_template_id,
- 0);
- snat_ipfix_send (frm, f, b0, template_id);
- sitd->max_frags_ip4_frame = 0;
- sitd->max_frags_ip4_buffer = 0;
- offset = 0;
- }
- sitd->max_frags_ip4_next_record_offset = offset;
-}
-
-static void
-nat_ipfix_logging_max_frag_ip6 (u32 thread_index,
- u32 limit, ip6_address_t * src, int do_flush)
-{
- snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main;
- snat_ipfix_per_thread_data_t *sitd = &silm->per_thread_data[thread_index];
- 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;
- u8 nat_event = QUOTA_EXCEEDED;
- u32 quota_event = MAX_FRAGMENTS_PENDING_REASSEMBLY;
- u16 template_id;
-
- now = (u64) ((vlib_time_now (vm) - silm->vlib_time_0) * 1e3);
- now += silm->milisecond_time_0;
-
- b0 = sitd->max_frags_ip6_buffer;
-
- if (PREDICT_FALSE (b0 == 0))
- {
- if (do_flush)
- return;
-
- if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
- {
- nat_elog_err ("can't allocate buffer for NAT IPFIX event");
- return;
- }
-
- b0 = sitd->max_frags_ip6_buffer = vlib_get_buffer (vm, bi0);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- offset = 0;
- }
- else
- {
- bi0 = vlib_get_buffer_index (vm, b0);
- offset = sitd->max_frags_ip6_next_record_offset;
- }
-
- f = sitd->max_frags_ip6_frame;
- if (PREDICT_FALSE (f == 0))
- {
- u32 *to_next;
- f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
- sitd->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))
- {
- template_id = clib_atomic_fetch_or (
- &silm->max_frags_ip6_template_id,
- 0);
- snat_ipfix_send (frm, f, b0, template_id);
- sitd->max_frags_ip6_frame = 0;
- sitd->max_frags_ip6_buffer = 0;
- offset = 0;
- }
- sitd->max_frags_ip6_next_record_offset = offset;
-}
-