diff options
author | 2017-09-19 23:26:13 -0700 | |
---|---|---|
committer | 2017-09-20 09:08:25 +0000 | |
commit | 4619e19cf0e10b9f69eee535c91053930ec14a74 (patch) | |
tree | b2f73d6d71409854518cd6decfdba49aa2756a03 | |
parent | 092b3cd59f17d5c3ebe167d8729273838afbe2cb (diff) |
NAT: don't call ipfix rpc when disabled (VPP-988)
Change-Id: Id98b523f7b20f82291a34e73762978fa65e24140
Signed-off-by: Matus Fabian <matfabia@cisco.com>
-rw-r--r-- | src/plugins/nat/nat_ipfix_logging.c | 349 |
1 files changed, 181 insertions, 168 deletions
diff --git a/src/plugins/nat/nat_ipfix_logging.c b/src/plugins/nat/nat_ipfix_logging.c index 0cc0f82a..18430f5a 100644 --- a/src/plugins/nat/nat_ipfix_logging.c +++ b/src/plugins/nat/nat_ipfix_logging.c @@ -30,7 +30,8 @@ snat_ipfix_logging_main_t snat_ipfix_logging_main; #define NAT_ADDRESSES_EXHAUTED_FIELD_COUNT 3 #define MAX_ENTRIES_PER_USER_FIELD_COUNT 4 -typedef struct { +typedef struct +{ u8 nat_event; u32 src_ip; u32 nat_src_ip; @@ -40,14 +41,23 @@ typedef struct { u32 vrf_id; } snat_ipfix_logging_nat44_ses_args_t; -typedef struct { +typedef struct +{ u32 pool_id; } snat_ipfix_logging_addr_exhausted_args_t; -typedef struct { +typedef struct +{ u32 src_ip; } snat_ipfix_logging_max_entries_per_user_args_t; +#define skip_if_disabled() \ +do { \ + snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main; \ + if (PREDICT_TRUE (!silm->enabled)) \ + return; \ +} while (0) + /** * @brief Create an IPFIX template packet rewrite string * @@ -63,12 +73,11 @@ typedef struct { */ static inline u8 * snat_template_rewrite (flow_report_main_t * frm, - flow_report_t * fr, - ip4_address_t * collector_address, - ip4_address_t * src_address, - u16 collector_port, - nat_event_t event, - quota_exceed_event_t quota_event) + flow_report_t * fr, + ip4_address_t * collector_address, + ip4_address_t * src_address, + u16 collector_port, + nat_event_t event, quota_exceed_event_t quota_event) { snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main; ip4_header_t *ip; @@ -99,10 +108,10 @@ snat_template_rewrite (flow_report_main_t * frm, 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; - } + { + field_count = MAX_ENTRIES_PER_USER_FIELD_COUNT; + silm->max_entries_per_user_template_id = fr->template_id; + } } /* allocate rewrite space */ @@ -163,17 +172,17 @@ snat_template_rewrite (flow_report_main_t * frm, else if (event == QUOTA_EXCEEDED) { if (quota_event == MAX_ENTRIES_PER_USER) - { - 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, sourceIPv4Address, 4); - f++; - } + { + 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, sourceIPv4Address, 4); + f++; + } } /* Back to the template packet... */ @@ -199,64 +208,63 @@ snat_template_rewrite (flow_report_main_t * frm, u8 * 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) + flow_report_t * fr, + ip4_address_t * collector_address, + ip4_address_t * src_address, + u16 collector_port) { return snat_template_rewrite (frm, fr, collector_address, src_address, - collector_port, NAT_ADDRESSES_EXHAUTED, 0); + collector_port, NAT_ADDRESSES_EXHAUTED, 0); } u8 * 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) + flow_report_t * fr, + ip4_address_t * collector_address, + ip4_address_t * src_address, + u16 collector_port) { return snat_template_rewrite (frm, fr, collector_address, src_address, - collector_port, NAT44_SESSION_CREATE, 0); + collector_port, NAT44_SESSION_CREATE, 0); } u8 * 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) + flow_report_t * fr, + ip4_address_t * collector_address, + ip4_address_t * src_address, + u16 collector_port) { return snat_template_rewrite (frm, fr, collector_address, src_address, - collector_port, QUOTA_EXCEEDED, - MAX_ENTRIES_PER_USER); + collector_port, QUOTA_EXCEEDED, + MAX_ENTRIES_PER_USER); } static inline void snat_ipfix_header_create (flow_report_main_t * frm, - vlib_buffer_t * b0, - u32 * offset) + vlib_buffer_t * b0, u32 * offset) { snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main; flow_report_stream_t *stream; - ip4_ipfix_template_packet_t * tp; - ipfix_message_header_t * h = 0; - ipfix_set_header_t * s = 0; - ip4_header_t * ip; - udp_header_t * udp; + ip4_ipfix_template_packet_t *tp; + ipfix_message_header_t *h = 0; + ipfix_set_header_t *s = 0; + ip4_header_t *ip; + udp_header_t *udp; stream = &frm->streams[silm->stream_index]; b0->current_data = 0; b0->current_length = sizeof (*ip) + sizeof (*udp) + sizeof (*h) + - sizeof (*s); + sizeof (*s); b0->flags |= (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_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); - ip = (ip4_header_t *) &tp->ip4; - udp = (udp_header_t *) (ip+1); - h = (ipfix_message_header_t *)(udp+1); - s = (ipfix_set_header_t *)(h+1); + ip = (ip4_header_t *) & tp->ip4; + udp = (udp_header_t *) (ip + 1); + h = (ipfix_message_header_t *) (udp + 1); + s = (ipfix_set_header_t *) (h + 1); ip->ip_version_and_header_length = 0x45; ip->ttl = 254; @@ -268,27 +276,26 @@ snat_ipfix_header_create (flow_report_main_t * frm, udp->dst_port = clib_host_to_net_u16 (frm->collector_port); udp->checksum = 0; - h->export_time = clib_host_to_net_u32 ( - (u32) (((f64)frm->unix_time_0) + (vlib_time_now(frm->vlib_main) - - frm->vlib_time_0))); + h->export_time = clib_host_to_net_u32 ((u32) + (((f64) frm->unix_time_0) + + (vlib_time_now (frm->vlib_main) - + frm->vlib_time_0))); h->sequence_number = clib_host_to_net_u32 (stream->sequence_number++); h->domain_id = clib_host_to_net_u32 (stream->domain_id); - *offset = (u32) (((u8 *)(s+1)) - (u8 *)tp); + *offset = (u32) (((u8 *) (s + 1)) - (u8 *) tp); } static inline void snat_ipfix_send (flow_report_main_t * frm, - vlib_frame_t * f, - vlib_buffer_t * b0, - u16 template_id) + vlib_frame_t * f, vlib_buffer_t * b0, u16 template_id) { - ip4_ipfix_template_packet_t * tp; - ipfix_message_header_t * h = 0; - ipfix_set_header_t * s = 0; - ip4_header_t * ip; - udp_header_t * udp; - vlib_main_t * vm = frm->vlib_main; + ip4_ipfix_template_packet_t *tp; + ipfix_message_header_t *h = 0; + ipfix_set_header_t *s = 0; + ip4_header_t *ip; + udp_header_t *udp; + vlib_main_t *vm = frm->vlib_main; tp = vlib_buffer_get_current (b0); ip = (ip4_header_t *) & tp->ip4; @@ -297,11 +304,11 @@ snat_ipfix_send (flow_report_main_t * frm, s = (ipfix_set_header_t *) (h + 1); s->set_id_length = ipfix_set_id_length (template_id, - b0->current_length - - (sizeof (*ip) + sizeof (*udp) + - sizeof (*h))); + b0->current_length - + (sizeof (*ip) + sizeof (*udp) + + sizeof (*h))); h->version_length = version_length (b0->current_length - - (sizeof (*ip) + sizeof (*udp))); + (sizeof (*ip) + sizeof (*udp))); ip->length = clib_host_to_net_u16 (b0->current_length); ip->checksum = ip4_header_checksum (ip); @@ -311,7 +318,7 @@ snat_ipfix_send (flow_report_main_t * frm, { udp->checksum = ip4_tcp_udp_compute_checksum (vm, b0, ip); if (udp->checksum == 0) - udp->checksum = 0xffff; + udp->checksum = 0xffff; } ASSERT (ip->checksum == ip4_header_checksum (ip)); @@ -321,8 +328,8 @@ snat_ipfix_send (flow_report_main_t * frm, static void snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, - snat_protocol_t snat_proto, u16 src_port, - u16 nat_src_port, u32 vrf_id, int do_flush) + snat_protocol_t snat_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; @@ -330,7 +337,7 @@ snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, vlib_buffer_t *b0 = 0; u32 bi0 = ~0; u32 offset; - vlib_main_t * vm = frm->vlib_main; + vlib_main_t *vm = frm->vlib_main; u64 now; vlib_buffer_free_list_t *fl; u8 proto = ~0; @@ -348,17 +355,17 @@ snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, if (PREDICT_FALSE (b0 == 0)) { if (do_flush) - return; + return; if (vlib_buffer_alloc (vm, &bi0, 1) != 1) - { - clib_warning ("can't allocate buffer for NAT IPFIX event"); - return; - } - - b0 = silm->nat44_session_buffer = - vlib_get_buffer (vm, bi0); - fl = vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX); + { + clib_warning ("can't allocate buffer for NAT IPFIX event"); + return; + } + + b0 = silm->nat44_session_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; @@ -372,7 +379,7 @@ snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, f = silm->nat44_session_frame; if (PREDICT_FALSE (f == 0)) { - u32 * to_next; + u32 *to_next; f = vlib_get_frame_to_node (vm, ip4_lookup_node.index); silm->nat44_session_frame = f; to_next = vlib_frame_vector_args (f); @@ -407,13 +414,14 @@ snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, 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)); + clib_memcpy (b0->data + offset, &vrf_id, sizeof (vrf_id)); offset += sizeof (vrf_id); b0->current_length += NAT44_SESSION_CREATE_LEN; } - if (PREDICT_FALSE (do_flush || (offset + NAT44_SESSION_CREATE_LEN) > frm->path_mtu)) + if (PREDICT_FALSE + (do_flush || (offset + NAT44_SESSION_CREATE_LEN) > frm->path_mtu)) { snat_ipfix_send (frm, f, b0, silm->nat44_session_template_id); silm->nat44_session_frame = 0; @@ -421,7 +429,7 @@ snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, offset = 0; } silm->nat44_session_next_record_offset = offset; - } +} static void snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) @@ -432,7 +440,7 @@ snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) vlib_buffer_t *b0 = 0; u32 bi0 = ~0; u32 offset; - vlib_main_t * vm = frm->vlib_main; + vlib_main_t *vm = frm->vlib_main; u64 now; vlib_buffer_free_list_t *fl; u8 nat_event = NAT_ADDRESSES_EXHAUTED; @@ -448,17 +456,17 @@ snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) if (PREDICT_FALSE (b0 == 0)) { if (do_flush) - return; + return; if (vlib_buffer_alloc (vm, &bi0, 1) != 1) - { - clib_warning ("can't allocate buffer for NAT IPFIX event"); - return; - } - - b0 = silm->addr_exhausted_buffer = - vlib_get_buffer (vm, bi0); - fl = vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX); + { + clib_warning ("can't allocate buffer for NAT IPFIX event"); + return; + } + + b0 = silm->addr_exhausted_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; @@ -472,7 +480,7 @@ snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) f = silm->addr_exhausted_frame; if (PREDICT_FALSE (f == 0)) { - u32 * to_next; + u32 *to_next; f = vlib_get_frame_to_node (vm, ip4_lookup_node.index); silm->addr_exhausted_frame = f; to_next = vlib_frame_vector_args (f); @@ -492,13 +500,14 @@ snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush) clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event)); offset += sizeof (nat_event); - clib_memcpy (b0->data + offset, &pool_id, sizeof(pool_id)); + clib_memcpy (b0->data + offset, &pool_id, sizeof (pool_id)); offset += sizeof (pool_id); b0->current_length += NAT_ADDRESSES_EXHAUTED_LEN; } - if (PREDICT_FALSE (do_flush || (offset + NAT_ADDRESSES_EXHAUTED_LEN) > frm->path_mtu)) + if (PREDICT_FALSE + (do_flush || (offset + NAT_ADDRESSES_EXHAUTED_LEN) > frm->path_mtu)) { snat_ipfix_send (frm, f, b0, silm->addr_exhausted_template_id); silm->addr_exhausted_frame = 0; @@ -517,7 +526,7 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) vlib_buffer_t *b0 = 0; u32 bi0 = ~0; u32 offset; - vlib_main_t * vm = frm->vlib_main; + vlib_main_t *vm = frm->vlib_main; u64 now; vlib_buffer_free_list_t *fl; u8 nat_event = QUOTA_EXCEEDED; @@ -534,17 +543,17 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) if (PREDICT_FALSE (b0 == 0)) { if (do_flush) - return; + return; if (vlib_buffer_alloc (vm, &bi0, 1) != 1) - { - clib_warning ("can't allocate buffer for NAT IPFIX event"); - return; - } - - b0 = silm->max_entries_per_user_buffer = - vlib_get_buffer (vm, bi0); - fl = vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX); + { + clib_warning ("can't allocate buffer for NAT IPFIX event"); + return; + } + + b0 = silm->max_entries_per_user_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; @@ -558,7 +567,7 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) f = silm->max_entries_per_user_frame; if (PREDICT_FALSE (f == 0)) { - u32 * to_next; + u32 *to_next; f = vlib_get_frame_to_node (vm, ip4_lookup_node.index); silm->max_entries_per_user_frame = f; to_next = vlib_frame_vector_args (f); @@ -578,7 +587,7 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) clib_memcpy (b0->data + offset, &nat_event, sizeof (nat_event)); offset += sizeof (nat_event); - clib_memcpy (b0->data + offset, "a_event, sizeof(quota_event)); + clib_memcpy (b0->data + offset, "a_event, sizeof (quota_event)); offset += sizeof (quota_event); clib_memcpy (b0->data + offset, &src_ip, sizeof (src_ip)); @@ -587,7 +596,8 @@ snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush) b0->current_length += MAX_ENTRIES_PER_USER_LEN; } - if (PREDICT_FALSE (do_flush || (offset + MAX_ENTRIES_PER_USER_LEN) > frm->path_mtu)) + if (PREDICT_FALSE + (do_flush || (offset + MAX_ENTRIES_PER_USER_LEN) > frm->path_mtu)) { snat_ipfix_send (frm, f, b0, silm->max_entries_per_user_template_id); silm->max_entries_per_user_frame = 0; @@ -598,11 +608,11 @@ 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) +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); + 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); } /** @@ -617,14 +627,15 @@ snat_ipfix_logging_nat44_ses_rpc_cb (snat_ipfix_logging_nat44_ses_args_t *a) */ 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) + 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; @@ -633,8 +644,8 @@ snat_ipfix_logging_nat44_ses_create (u32 src_ip, 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)); + vl_api_rpc_call_main_thread (snat_ipfix_logging_nat44_ses_rpc_cb, + (u8 *) & a, sizeof (a)); } /** @@ -649,14 +660,15 @@ snat_ipfix_logging_nat44_ses_create (u32 src_ip, */ 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) + 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; @@ -665,26 +677,25 @@ snat_ipfix_logging_nat44_ses_delete (u32 src_ip, 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)); + 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) + flow_report_t * fr, + vlib_frame_t * f, + u32 * to_next, u32 node_index) { - snat_ipfix_logging_nat44_ses(0, 0, 0, 0, 0, 0, 0, 1); + snat_ipfix_logging_nat44_ses (0, 0, 0, 0, 0, 0, 0, 1); return f; } static void -snat_ipfix_logging_addr_exhausted_rpc_cb - (snat_ipfix_logging_addr_exhausted_args_t * a) + snat_ipfix_logging_addr_exhausted_rpc_cb + (snat_ipfix_logging_addr_exhausted_args_t * a) { - snat_ipfix_logging_addr_exhausted(a->pool_id, 0); + snat_ipfix_logging_addr_exhausted (a->pool_id, 0); } /** @@ -693,33 +704,34 @@ snat_ipfix_logging_addr_exhausted_rpc_cb * @param pool_id NAT pool ID */ void -snat_ipfix_logging_addresses_exhausted(u32 pool_id) +snat_ipfix_logging_addresses_exhausted (u32 pool_id) { //TODO: This event SHOULD be rate limited snat_ipfix_logging_addr_exhausted_args_t a; + skip_if_disabled (); + a.pool_id = pool_id; vl_api_rpc_call_main_thread (snat_ipfix_logging_addr_exhausted_rpc_cb, - (u8 *) &a, sizeof (a)); + (u8 *) & a, sizeof (a)); } vlib_frame_t * snat_data_callback_addr_exhausted (flow_report_main_t * frm, - flow_report_t * fr, - vlib_frame_t * f, - u32 * to_next, - u32 node_index) + flow_report_t * fr, + vlib_frame_t * f, + u32 * to_next, u32 node_index) { - snat_ipfix_logging_addr_exhausted(0, 1); + snat_ipfix_logging_addr_exhausted (0, 1); return f; } 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_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->src_ip, 0); } /** @@ -728,25 +740,26 @@ snat_ipfix_logging_max_entries_per_usr_rpc_cb * @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 src_ip) { //TODO: This event SHOULD be rate limited snat_ipfix_logging_max_entries_per_user_args_t a; + skip_if_disabled (); + a.src_ip = src_ip; vl_api_rpc_call_main_thread (snat_ipfix_logging_max_entries_per_usr_rpc_cb, - (u8 *) &a, sizeof (a)); + (u8 *) & a, sizeof (a)); } vlib_frame_t * snat_data_callback_max_entries_per_usr (flow_report_main_t * frm, - flow_report_t * fr, - vlib_frame_t * f, - u32 * to_next, - u32 node_index) + flow_report_t * fr, + 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, 1); return f; } @@ -762,7 +775,7 @@ snat_data_callback_max_entries_per_usr (flow_report_main_t * frm, int snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port) { - snat_main_t * sm = &snat_main; + snat_main_t *sm = &snat_main; snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main; flow_report_main_t *frm = &flow_report_main; vnet_flow_report_add_del_args_t a; @@ -786,10 +799,10 @@ 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); - return -1; - } + { + clib_warning ("vnet_flow_report_add_del returned %d", rv); + return -1; + } } else { @@ -798,20 +811,20 @@ 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); - return -1; - } + { + clib_warning ("vnet_flow_report_add_del returned %d", rv); + return -1; + } a.rewrite_callback = snat_template_rewrite_addr_exhausted; a.flow_data_callback = snat_data_callback_addr_exhausted; rv = vnet_flow_report_add_del (frm, &a, NULL); if (rv) - { - clib_warning ("vnet_flow_report_add_del returned %d", rv); - return -1; - } + { + clib_warning ("vnet_flow_report_add_del returned %d", rv); + return -1; + } } return 0; |