fib.h 2.5 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #undef TRACE_SYSTEM
  3. #define TRACE_SYSTEM fib
  4. #if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ)
  5. #define _TRACE_FIB_H
  6. #include <linux/skbuff.h>
  7. #include <linux/netdevice.h>
  8. #include <net/ip_fib.h>
  9. #include <linux/tracepoint.h>
  10. TRACE_EVENT(fib_table_lookup,
  11. TP_PROTO(u32 tb_id, const struct flowi4 *flp,
  12. const struct fib_nh_common *nhc, int err),
  13. TP_ARGS(tb_id, flp, nhc, err),
  14. TP_STRUCT__entry(
  15. __field( u32, tb_id )
  16. __field( int, err )
  17. __field( int, oif )
  18. __field( int, iif )
  19. __field( u8, proto )
  20. __field( __u8, tos )
  21. __field( __u8, scope )
  22. __field( __u8, flags )
  23. __array( __u8, src, 4 )
  24. __array( __u8, dst, 4 )
  25. __array( __u8, gw4, 4 )
  26. __array( __u8, gw6, 16 )
  27. __field( u16, sport )
  28. __field( u16, dport )
  29. __array(char, name, IFNAMSIZ )
  30. ),
  31. TP_fast_assign(
  32. struct net_device *dev;
  33. struct in6_addr *in6;
  34. __be32 *p32;
  35. __entry->tb_id = tb_id;
  36. __entry->err = err;
  37. __entry->oif = flp->flowi4_oif;
  38. __entry->iif = flp->flowi4_iif;
  39. __entry->tos = flp->flowi4_tos;
  40. __entry->scope = flp->flowi4_scope;
  41. __entry->flags = flp->flowi4_flags;
  42. p32 = (__be32 *) __entry->src;
  43. *p32 = flp->saddr;
  44. p32 = (__be32 *) __entry->dst;
  45. *p32 = flp->daddr;
  46. __entry->proto = flp->flowi4_proto;
  47. if (__entry->proto == IPPROTO_TCP ||
  48. __entry->proto == IPPROTO_UDP) {
  49. __entry->sport = ntohs(flp->fl4_sport);
  50. __entry->dport = ntohs(flp->fl4_dport);
  51. } else {
  52. __entry->sport = 0;
  53. __entry->dport = 0;
  54. }
  55. dev = nhc ? nhc->nhc_dev : NULL;
  56. strlcpy(__entry->name, dev ? dev->name : "-", IFNAMSIZ);
  57. if (nhc) {
  58. if (nhc->nhc_gw_family == AF_INET) {
  59. p32 = (__be32 *) __entry->gw4;
  60. *p32 = nhc->nhc_gw.ipv4;
  61. in6 = (struct in6_addr *)__entry->gw6;
  62. *in6 = in6addr_any;
  63. } else if (nhc->nhc_gw_family == AF_INET6) {
  64. p32 = (__be32 *) __entry->gw4;
  65. *p32 = 0;
  66. in6 = (struct in6_addr *)__entry->gw6;
  67. *in6 = nhc->nhc_gw.ipv6;
  68. }
  69. } else {
  70. p32 = (__be32 *) __entry->gw4;
  71. *p32 = 0;
  72. in6 = (struct in6_addr *)__entry->gw6;
  73. *in6 = in6addr_any;
  74. }
  75. ),
  76. TP_printk("table %u oif %d iif %d proto %u %pI4/%u -> %pI4/%u tos %d scope %d flags %x ==> dev %s gw %pI4/%pI6c err %d",
  77. __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
  78. __entry->src, __entry->sport, __entry->dst, __entry->dport,
  79. __entry->tos, __entry->scope, __entry->flags,
  80. __entry->name, __entry->gw4, __entry->gw6, __entry->err)
  81. );
  82. #endif /* _TRACE_FIB_H */
  83. /* This part must be outside protection */
  84. #include <trace/define_trace.h>