39 s =
format (s,
"GTPU decap from gtpu_tunnel%d teid %d next %d error %d",
44 s =
format (s,
"GTPU decap error - tunnel for teid %d does not exist",
66 u32 last_tunnel_index = ~0;
67 gtpu4_tunnel_key_t last_key4;
68 gtpu6_tunnel_key_t last_key6;
69 u32 pkts_decapsulated = 0;
71 u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
74 last_key4.as_u64 = ~0;
83 stats_n_packets = stats_n_bytes = 0;
85 while (n_left_from > 0)
90 to_next, n_left_to_next);
91 while (n_left_from >= 4 && n_left_to_next >= 2)
99 u32 gtpu_hdr_len0, gtpu_hdr_len1;
101 u32 tunnel_index0, tunnel_index1;
103 gtpu4_tunnel_key_t key4_0, key4_1;
104 gtpu6_tunnel_key_t key6_0, key6_1;
106 u32 sw_if_index0, sw_if_index1, len0, len1;
107 u8 has_space0, has_space1;
166 gtpu_hdr_len1 =
sizeof(
gtpu_header_t) - (((ver1 & GTPU_E_S_PN_BIT) == 0) * 4);
173 error0 = has_space0 ? GTPU_ERROR_BAD_VER : GTPU_ERROR_TOO_SMALL;
174 next0 = GTPU_INPUT_NEXT_DROP;
181 key4_0.teid = gtpu0->
teid;
190 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
191 next0 = GTPU_INPUT_NEXT_DROP;
194 last_key4.as_u64 = key4_0.as_u64;
195 tunnel_index0 = last_tunnel_index = p0[0];
198 tunnel_index0 = last_tunnel_index;
204 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
205 next0 = GTPU_INPUT_NEXT_DROP;
215 key4_0.teid = gtpu0->
teid;
224 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
225 next0 = GTPU_INPUT_NEXT_DROP;
229 key6_0.src.as_u64[0] = ip6_0->
src_address.as_u64[0];
230 key6_0.src.as_u64[1] = ip6_0->
src_address.as_u64[1];
231 key6_0.teid = gtpu0->
teid;
235 if (
PREDICT_FALSE (memcmp(&key6_0, &last_key6,
sizeof(last_key6)) != 0))
240 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
241 next0 = GTPU_INPUT_NEXT_DROP;
245 tunnel_index0 = last_tunnel_index = p0[0];
248 tunnel_index0 = last_tunnel_index;
254 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
255 next0 = GTPU_INPUT_NEXT_DROP;
265 key6_0.src.as_u64[0] = ip6_0->
dst_address.as_u64[0];
266 key6_0.src.as_u64[1] = ip6_0->
dst_address.as_u64[1];
267 key6_0.teid = gtpu0->
teid;
275 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
276 next0 = GTPU_INPUT_NEXT_DROP;
294 sw_if_index0 = (mt0) ? mt0->
sw_if_index : sw_if_index0;
296 pkts_decapsulated ++;
297 stats_n_packets += 1;
298 stats_n_bytes += len0;
304 stats_n_packets -= 1;
305 stats_n_bytes -= len0;
309 thread_index, stats_sw_if_index,
310 stats_n_packets, stats_n_bytes);
312 stats_n_bytes = len0;
313 stats_sw_if_index = sw_if_index0;
326 tr->
teid = has_space0 ? clib_net_to_host_u32(gtpu0->
teid) : ~0;
331 error1 = has_space1 ? GTPU_ERROR_BAD_VER : GTPU_ERROR_TOO_SMALL;
332 next1 = GTPU_INPUT_NEXT_DROP;
339 key4_1.teid = gtpu1->
teid;
348 error1 = GTPU_ERROR_NO_SUCH_TUNNEL;
349 next1 = GTPU_INPUT_NEXT_DROP;
352 last_key4.as_u64 = key4_1.as_u64;
353 tunnel_index1 = last_tunnel_index = p1[0];
356 tunnel_index1 = last_tunnel_index;
362 error1 = GTPU_ERROR_NO_SUCH_TUNNEL;
363 next1 = GTPU_INPUT_NEXT_DROP;
373 key4_1.teid = gtpu1->
teid;
382 error1 = GTPU_ERROR_NO_SUCH_TUNNEL;
383 next1 = GTPU_INPUT_NEXT_DROP;
387 key6_1.src.as_u64[0] = ip6_1->
src_address.as_u64[0];
388 key6_1.src.as_u64[1] = ip6_1->
src_address.as_u64[1];
389 key6_1.teid = gtpu1->
teid;
393 if (
PREDICT_FALSE (memcmp(&key6_1, &last_key6,
sizeof(last_key6)) != 0))
399 error1 = GTPU_ERROR_NO_SUCH_TUNNEL;
400 next1 = GTPU_INPUT_NEXT_DROP;
405 tunnel_index1 = last_tunnel_index = p1[0];
408 tunnel_index1 = last_tunnel_index;
414 error1 = GTPU_ERROR_NO_SUCH_TUNNEL;
415 next1 = GTPU_INPUT_NEXT_DROP;
425 key6_1.src.as_u64[0] = ip6_1->
dst_address.as_u64[0];
426 key6_1.src.as_u64[1] = ip6_1->
dst_address.as_u64[1];
427 key6_1.teid = gtpu1->
teid;
435 error1 = GTPU_ERROR_NO_SUCH_TUNNEL;
436 next1 = GTPU_INPUT_NEXT_DROP;
454 sw_if_index1 = (mt1) ? mt1->sw_if_index : sw_if_index1;
456 pkts_decapsulated ++;
457 stats_n_packets += 1;
458 stats_n_bytes += len1;
464 stats_n_packets -= 1;
465 stats_n_bytes -= len1;
469 thread_index, stats_sw_if_index,
470 stats_n_packets, stats_n_bytes);
472 stats_n_bytes = len1;
473 stats_sw_if_index = sw_if_index1;
486 tr->
teid = has_space1 ? clib_net_to_host_u32(gtpu1->
teid) : ~0;
490 to_next, n_left_to_next,
491 bi0, bi1, next0, next1);
494 while (n_left_from > 0 && n_left_to_next > 0)
506 gtpu4_tunnel_key_t key4_0;
507 gtpu6_tunnel_key_t key6_0;
509 u32 sw_if_index0, len0;
547 error0 = has_space0 ? GTPU_ERROR_BAD_VER : GTPU_ERROR_TOO_SMALL;
548 next0 = GTPU_INPUT_NEXT_DROP;
554 key4_0.teid = gtpu0->
teid;
563 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
564 next0 = GTPU_INPUT_NEXT_DROP;
567 last_key4.as_u64 = key4_0.as_u64;
568 tunnel_index0 = last_tunnel_index = p0[0];
571 tunnel_index0 = last_tunnel_index;
577 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
578 next0 = GTPU_INPUT_NEXT_DROP;
588 key4_0.teid = gtpu0->
teid;
597 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
598 next0 = GTPU_INPUT_NEXT_DROP;
602 key6_0.src.as_u64[0] = ip6_0->
src_address.as_u64[0];
603 key6_0.src.as_u64[1] = ip6_0->
src_address.as_u64[1];
604 key6_0.teid = gtpu0->
teid;
608 if (
PREDICT_FALSE (memcmp(&key6_0, &last_key6,
sizeof(last_key6)) != 0))
613 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
614 next0 = GTPU_INPUT_NEXT_DROP;
618 tunnel_index0 = last_tunnel_index = p0[0];
621 tunnel_index0 = last_tunnel_index;
627 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
628 next0 = GTPU_INPUT_NEXT_DROP;
638 key6_0.src.as_u64[0] = ip6_0->
dst_address.as_u64[0];
639 key6_0.src.as_u64[1] = ip6_0->
dst_address.as_u64[1];
640 key6_0.teid = gtpu0->
teid;
648 error0 = GTPU_ERROR_NO_SUCH_TUNNEL;
649 next0 = GTPU_INPUT_NEXT_DROP;
667 sw_if_index0 = (mt0) ? mt0->
sw_if_index : sw_if_index0;
669 pkts_decapsulated ++;
670 stats_n_packets += 1;
671 stats_n_bytes += len0;
677 stats_n_packets -= 1;
678 stats_n_bytes -= len0;
682 thread_index, stats_sw_if_index,
683 stats_n_packets, stats_n_bytes);
685 stats_n_bytes = len0;
686 stats_sw_if_index = sw_if_index0;
699 tr->
teid = has_space0 ? clib_net_to_host_u32(gtpu0->
teid) : ~0;
702 to_next, n_left_to_next,
711 GTPU_ERROR_DECAPSULATED,
719 thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes);
741 #define gtpu_error(n,s) s, 748 .name =
"gtpu4-input",
750 .vector_size =
sizeof (
u32),
757 #define _(s,n) [GTPU_INPUT_NEXT_##s] = n, 768 .name =
"gtpu6-input",
770 .vector_size =
sizeof (
u32),
777 #define _(s,n) [GTPU_INPUT_NEXT_##s] = n, 802 vtep4_key_t last_vtep4;
804 vtep6_key_t last_vtep6;
821 while (n_left_from > 0)
825 while (n_left_from >= 4 && n_left_to_next >= 2)
831 u32 bi0, ip_len0, udp_len0, flags0, next0;
832 u32 bi1, ip_len1, udp_len1, flags1, next1;
833 i32 len_diff0, len_diff1;
834 u8 error0, good_udp0, proto0;
835 u8 error1, good_udp1, proto1;
846 bi0 = to_next[0] = from[0];
847 bi1 = to_next[1] = from[1];
885 if (proto0 != IP_PROTOCOL_UDP)
893 if (udp0->
dst_port != clib_host_to_net_u16 (UDP_DST_PORT_GTPU))
899 #ifdef CLIB_HAVE_VEC512 900 if (!vtep4_check_vector (>m->
vtep_table, b0, ip40, &last_vtep4,
914 good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
921 ip_len0 = clib_net_to_host_u16 (ip40->
length);
924 udp_len0 = clib_net_to_host_u16 (udp0->
length);
925 len_diff0 = ip_len0 - udp_len0;
930 if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
937 (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
943 error0 = good_udp0 ? 0 : IP4_ERROR_UDP_CHECKSUM;
944 error0 = (len_diff0 >= 0) ? error0 : IP4_ERROR_UDP_LENGTH;
948 error0 = good_udp0 ? 0 : IP6_ERROR_UDP_CHECKSUM;
949 error0 = (len_diff0 >= 0) ? error0 : IP6_ERROR_UDP_LENGTH;
954 b0->
error = error0 ? error_node->
errors[error0] : 0;
964 if (proto1 != IP_PROTOCOL_UDP)
972 if (udp1->
dst_port != clib_host_to_net_u16 (UDP_DST_PORT_GTPU))
978 #ifdef CLIB_HAVE_VEC512 979 if (!vtep4_check_vector (>m->
vtep_table, b1, ip41, &last_vtep4,
993 good_udp1 = (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
1000 ip_len1 = clib_net_to_host_u16 (ip41->
length);
1003 udp_len1 = clib_net_to_host_u16 (udp1->
length);
1004 len_diff1 = ip_len1 - udp_len1;
1009 if ((flags1 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
1016 (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
1022 error1 = good_udp1 ? 0 : IP4_ERROR_UDP_CHECKSUM;
1023 error1 = (len_diff1 >= 0) ? error1 : IP4_ERROR_UDP_LENGTH;
1027 error1 = good_udp1 ? 0 : IP6_ERROR_UDP_CHECKSUM;
1028 error1 = (len_diff1 >= 0) ? error1 : IP6_ERROR_UDP_LENGTH;
1033 b1->
error = error1 ? error_node->
errors[error1] : 0;
1043 to_next, n_left_to_next,
1044 bi0, bi1, next0, next1);
1047 while (n_left_from > 0 && n_left_to_next > 0)
1053 u32 bi0, ip_len0, udp_len0, flags0, next0;
1055 u8 error0, good_udp0, proto0;
1057 bi0 = to_next[0] = from[0];
1061 n_left_to_next -= 1;
1080 if (proto0 != IP_PROTOCOL_UDP)
1088 if (udp0->
dst_port != clib_host_to_net_u16 (UDP_DST_PORT_GTPU))
1094 #ifdef CLIB_HAVE_VEC512 1095 if (!vtep4_check_vector (>m->
vtep_table, b0, ip40, &last_vtep4,
1109 good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
1116 ip_len0 = clib_net_to_host_u16 (ip40->
length);
1119 udp_len0 = clib_net_to_host_u16 (udp0->
length);
1120 len_diff0 = ip_len0 - udp_len0;
1125 if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
1132 (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
1138 error0 = good_udp0 ? 0 : IP4_ERROR_UDP_CHECKSUM;
1139 error0 = (len_diff0 >= 0) ? error0 : IP4_ERROR_UDP_LENGTH;
1143 error0 = good_udp0 ? 0 : IP6_ERROR_UDP_CHECKSUM;
1144 error0 = (len_diff0 >= 0) ? error0 : IP6_ERROR_UDP_LENGTH;
1149 b0->
error = error0 ? error_node->
errors[error0] : 0;
1159 to_next, n_left_to_next,
1177 .name =
"ip4-gtpu-bypass",
1178 .vector_size =
sizeof (
u32),
1190 #ifndef CLIB_MARCH_VARIANT 1206 .name =
"ip6-gtpu-bypass",
1207 .vector_size =
sizeof (
u32),
1219 #ifndef CLIB_MARCH_VARIANT 1226 #define foreach_gtpu_flow_error \ 1227 _(NONE, "no error") \ 1228 _(PAYLOAD_ERROR, "Payload type errors") \ 1229 _(IP_CHECKSUM_ERROR, "Rx ip checksum errors") \ 1230 _(IP_HEADER_ERROR, "Rx ip header errors") \ 1231 _(UDP_CHECKSUM_ERROR, "Rx udp checksum errors") \ 1232 _(UDP_LENGTH_ERROR, "Rx udp length errors") 1236 #define _(f,s) GTPU_FLOW_ERROR_##f, 1239 #define gtpu_error(n,s) GTPU_FLOW_ERROR_##n, 1249 #define gtpu_error(n,s) s, 1256 #define gtpu_local_need_csum_check(_b) \ 1257 (!(_b->flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED || \ 1258 (_b->flags & VNET_BUFFER_F_OFFLOAD && \ 1259 vnet_buffer (_b)->oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM))) 1261 #define gtpu_local_csum_is_valid(_b) \ 1262 ((_b->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT || \ 1263 (_b->flags & VNET_BUFFER_F_OFFLOAD && \ 1264 vnet_buffer (_b)->oflags & VNET_BUFFER_OFFLOAD_F_UDP_CKSUM)) != 0) 1273 if ((flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
1280 return (flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
1288 u16 ip_len = clib_net_to_host_u16 (ip4_hdr->
length);
1299 u16 ip_len = clib_net_to_host_u16 (ip4_hdr->
length);
1300 u16 udp_len = clib_net_to_host_u16 (udp_hdr->
length);
1301 return udp_len > ip_len;
1307 u8 error0 = GTPU_FLOW_ERROR_NONE;
1309 error0 = GTPU_FLOW_ERROR_IP_HEADER_ERROR;
1311 error0 = GTPU_FLOW_ERROR_UDP_LENGTH_ERROR;
1313 error0 = GTPU_FLOW_ERROR_UDP_CHECKSUM_ERROR;
1327 u32 pkts_decapsulated = 0;
1329 u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
1330 u8 ip_err0, ip_err1, udp_err0, udp_err1, csum_err0, csum_err1;
1337 stats_n_packets = stats_n_bytes = 0;
1339 while (n_left_from > 0)
1344 to_next, n_left_to_next);
1346 while (n_left_from >= 4 && n_left_to_next >= 2)
1352 u32 gtpu_hdr_len0, gtpu_hdr_len1;
1353 u32 tunnel_index0, tunnel_index1;
1356 u32 sw_if_index0, sw_if_index1, len0, len1;
1357 u8 has_space0 = 0, has_space1 = 0;
1380 n_left_to_next -= 2;
1413 if (ip_err0 || udp_err0 || csum_err0)
1415 next0 = GTPU_INPUT_NEXT_DROP;
1433 error0 = has_space0 ? GTPU_ERROR_BAD_VER : GTPU_ERROR_TOO_SMALL;
1434 next0 = GTPU_INPUT_NEXT_DROP;
1451 error0 = GTPU_FLOW_ERROR_PAYLOAD_ERROR;
1452 next0 = GTPU_INPUT_NEXT_DROP;
1462 pkts_decapsulated ++;
1463 stats_n_packets += 1;
1464 stats_n_bytes += len0;
1470 stats_n_packets -= 1;
1471 stats_n_bytes -= len0;
1472 if (stats_n_packets)
1475 thread_index, stats_sw_if_index,
1476 stats_n_packets, stats_n_bytes);
1477 stats_n_packets = 1;
1478 stats_n_bytes = len0;
1479 stats_sw_if_index = sw_if_index0;
1492 tr->
teid = has_space0 ? clib_net_to_host_u32(gtpu0->
teid) : ~0;
1495 if (ip_err1 || udp_err1 || csum_err1)
1497 next1 = GTPU_INPUT_NEXT_DROP;
1510 gtpu_hdr_len1 =
sizeof(
gtpu_header_t) - (((ver1 & GTPU_E_S_PN_BIT) == 0) * 4);
1514 error1 = has_space1 ? GTPU_ERROR_BAD_VER : GTPU_ERROR_TOO_SMALL;
1515 next1 = GTPU_INPUT_NEXT_DROP;
1532 error1 = GTPU_FLOW_ERROR_PAYLOAD_ERROR;
1533 next1 = GTPU_INPUT_NEXT_DROP;
1549 pkts_decapsulated ++;
1550 stats_n_packets += 1;
1551 stats_n_bytes += len1;
1557 stats_n_packets -= 1;
1558 stats_n_bytes -= len1;
1559 if (stats_n_packets)
1562 thread_index, stats_sw_if_index,
1563 stats_n_packets, stats_n_bytes);
1564 stats_n_packets = 1;
1565 stats_n_bytes = len1;
1566 stats_sw_if_index = sw_if_index1;
1579 tr->
teid = has_space1 ? clib_net_to_host_u32(gtpu1->
teid) : ~0;
1583 to_next, n_left_to_next,
1584 bi0, bi1, next0, next1);
1587 while (n_left_from > 0 && n_left_to_next > 0)
1597 u32 sw_if_index0, len0;
1606 n_left_to_next -= 1;
1621 if (ip_err0 || udp_err0 || csum_err0)
1623 next0 = GTPU_INPUT_NEXT_DROP;
1644 error0 = has_space0 ? GTPU_ERROR_BAD_VER : GTPU_ERROR_TOO_SMALL;
1645 next0 = GTPU_INPUT_NEXT_DROP;
1661 error0 = GTPU_FLOW_ERROR_PAYLOAD_ERROR;
1662 next0 = GTPU_INPUT_NEXT_DROP;
1672 pkts_decapsulated ++;
1673 stats_n_packets += 1;
1674 stats_n_bytes += len0;
1680 stats_n_packets -= 1;
1681 stats_n_bytes -= len0;
1682 if (stats_n_packets)
1685 thread_index, stats_sw_if_index,
1686 stats_n_packets, stats_n_bytes);
1687 stats_n_packets = 1;
1688 stats_n_bytes = len0;
1689 stats_sw_if_index = sw_if_index0;
1701 tr->
teid = has_space0 ? clib_net_to_host_u32(gtpu0->
teid) : ~0;
1704 to_next, n_left_to_next,
1713 GTPU_ERROR_DECAPSULATED,
1717 if (stats_n_packets)
1721 thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes);
1737 #ifndef CLIB_MULTIARCH_VARIANT 1739 .name =
"gtpu4-flow-input",
1741 .vector_size =
sizeof (
u32),
1750 #define _(s,n) [GTPU_INPUT_NEXT_##s] = n, u32 flags
buffer flags: VLIB_BUFFER_FREE_LIST_INDEX_MASK: bits used to store free list index, VLIB_BUFFER_IS_TRACED: trace this buffer.
vl_api_wireguard_peer_flags_t flags
u8 runtime_data[0]
Function dependent node-runtime data.
vlib_main_t vlib_node_runtime_t vlib_frame_t * from_frame
static u8 * format_gtpu_rx_trace(u8 *s, va_list *args)
vnet_interface_main_t interface_main
vlib_increment_combined_counter(ccm, ti, sw_if_index, n_buffers, n_bytes)
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
vlib_main_t vlib_node_runtime_t vlib_frame_t * frame
static u32 validate_gtpu_fib(vlib_buffer_t *b, gtpu_tunnel_t *t, u32 is_ip4)
vlib_node_registration_t ip6_gtpu_bypass_node
(constructor) VLIB_REGISTER_NODE (ip6_gtpu_bypass_node)
static_always_inline u8 gtpu_check_ip(vlib_buffer_t *b, u16 payload_len)
clib_error_t * ip6_gtpu_bypass_init(vlib_main_t *vm)
#define VLIB_NODE_FN(node)
static uword ip4_address_is_multicast(const ip4_address_t *a)
vlib_error_t * errors
Vector of errors for this node.
static uword vlib_buffer_length_in_chain(vlib_main_t *vm, vlib_buffer_t *b)
Get length in bytes of the buffer chain.
static u32 vlib_buffer_get_ip_fib_index(vlib_buffer_t *b, u8 is_ip4)
static int ip4_is_fragment(const ip4_header_t *i)
if(node->flags &VLIB_NODE_FLAG_TRACE) vnet_interface_output_trace(vm
#define static_always_inline
#define VLIB_INIT_FUNCTION(x)
vlib_node_registration_t ip4_gtpu_bypass_node
(constructor) VLIB_REGISTER_NODE (ip4_gtpu_bypass_node)
vlib_get_buffers(vm, from, b, n_left_from)
vlib_combined_counter_main_t * combined_sw_if_counters
description fragment has unexpected format
#define vlib_prefetch_buffer_header(b, type)
Prefetch buffer metadata.
static void * ip4_next_header(ip4_header_t *i)
vlib_node_registration_t gtpu4_flow_input_node
(constructor) VLIB_REGISTER_NODE (gtpu4_flow_input_node)
static void vtep4_key_init(vtep4_key_t *k4)
static char * gtpu_flow_error_strings[]
vlib_error_t error
Error code for buffers to be enqueued to error handler.
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
vlib_node_registration_t ip4_input_node
Global ip4 input node.
static void * vlib_buffer_get_current(vlib_buffer_t *b)
Get pointer to current data to process.
static char * gtpu_error_strings[]
static uword ip_gtpu_bypass_inline(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u32 is_ip4)
static_always_inline u8 gtpu_validate_udp_csum(vlib_main_t *vm, vlib_buffer_t *b)
vlib_main_t * vm
X-connect all packets from the HOST to the PHY.
#define vlib_validate_buffer_enqueue_x2(vm, node, next_index, to_next, n_left_to_next, bi0, bi1, next0, next1)
Finish enqueueing two buffers forward in the graph.
#define vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, bi0, next0)
Finish enqueueing one buffer forward in the graph.
#define vlib_get_next_frame(vm, node, next_index, vectors, n_vectors_left)
Get pointer to next frame vector data by (vlib_node_runtime_t, next_index).
vlib_node_registration_t gtpu4_input_node
(constructor) VLIB_REGISTER_NODE (gtpu4_input_node)
static u8 vtep6_check(vtep_table_t *t, vlib_buffer_t *b0, ip6_header_t *ip60, vtep6_key_t *last_k6)
static void vlib_node_increment_counter(vlib_main_t *vm, u32 node_index, u32 counter_index, u64 increment)
static u8 vtep4_check(vtep_table_t *t, vlib_buffer_t *b0, ip4_header_t *ip40, vtep4_key_t *last_k4)
clib_error_t * ip4_gtpu_bypass_init(vlib_main_t *vm)
#define VLIB_REGISTER_NODE(x,...)
static_always_inline uword vlib_get_thread_index(void)
#define CLIB_PREFETCH(addr, size, type)
u32 flow_id
Generic flow identifier.
static_always_inline void vnet_feature_next(u32 *next0, vlib_buffer_t *b0)
static uword gtpu_input(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame, u32 is_ip4)
static vlib_node_runtime_t * vlib_node_get_runtime(vlib_main_t *vm, u32 node_index)
Get node runtime by node index.
vnet_interface_main_t * im
static void * ip6_next_header(ip6_header_t *i)
#define foreach_gtpu_input_next
u16 cached_next_index
Next frame index that vector arguments were last enqueued to last time this node ran.
static void vtep6_key_init(vtep6_key_t *k6)
vlib_put_next_frame(vm, node, next_index, 0)
static void vlib_buffer_advance(vlib_buffer_t *b, word l)
Advance current data pointer by the supplied (signed!) amount.
#define gtpu_local_need_csum_check(_b)
u32 ip4_tcp_udp_validate_checksum(vlib_main_t *vm, vlib_buffer_t *p0)
static_always_inline void * clib_memcpy_fast(void *restrict dst, const void *restrict src, size_t n)
nat44_ei_hairpin_src_next_t next_index
static uword ip6_address_is_equal(const ip6_address_t *a, const ip6_address_t *b)
static uword ip6_address_is_multicast(const ip6_address_t *a)
uword * gtpu4_tunnel_by_key
static_always_inline u8 gtpu_err_code(u8 ip_err0, u8 udp_err0, u8 csum_err0)
struct _vlib_node_registration vlib_node_registration_t
template key/value backing page structure
static u8 vlib_buffer_has_space(vlib_buffer_t *b, word l)
Check if there is enough space in buffer to advance.
u32 ip6_tcp_udp_icmp_validate_checksum(vlib_main_t *vm, vlib_buffer_t *p0)
vlib_main_t vlib_node_runtime_t * node
void ip4_forward_next_trace(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, vlib_rx_or_tx_t which_adj_index)
uword * gtpu6_tunnel_by_key
VLIB buffer representation.
static void * vlib_frame_vector_args(vlib_frame_t *f)
Get pointer to frame vector data.
u8 * format_ip4_forward_next_trace(u8 *s, va_list *args)
static uword gtpu_flow_input(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
#define hash_get_mem(h, key)
u16 flags
Copy of main node flags.
void * vlib_add_trace(vlib_main_t *vm, vlib_node_runtime_t *r, vlib_buffer_t *b, u32 n_data_bytes)
static_always_inline u8 gtpu_check_ip_udp_len(vlib_buffer_t *b)
#define VLIB_NODE_FLAG_TRACE
#define CLIB_CACHE_LINE_BYTES
vlib_buffer_t * bufs[VLIB_FRAME_SIZE]
vlib_node_registration_t gtpu6_input_node
(constructor) VLIB_REGISTER_NODE (gtpu6_input_node)
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
#define foreach_gtpu_flow_error
#define gtpu_local_csum_is_valid(_b)
u8 * format_ip6_forward_next_trace(u8 *s, va_list *args)