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1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM fib4 5#if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_FIB_H7 8#include <linux/skbuff.h>9#include <linux/netdevice.h>10#include <net/ip_fib.h>11#include <linux/tracepoint.h>12 13TRACE_EVENT(fib_table_lookup,14 15 TP_PROTO(u32 tb_id, const struct flowi4 *flp,16 const struct fib_nh_common *nhc, int err),17 18 TP_ARGS(tb_id, flp, nhc, err),19 20 TP_STRUCT__entry(21 __field( u32, tb_id )22 __field( int, err )23 __field( int, oif )24 __field( int, iif )25 __field( u8, proto )26 __field( __u8, tos )27 __field( __u8, scope )28 __field( __u8, flags )29 __array( __u8, src, 4 )30 __array( __u8, dst, 4 )31 __array( __u8, gw4, 4 )32 __array( __u8, gw6, 16 )33 __field( u16, sport )34 __field( u16, dport )35 __array(char, name, IFNAMSIZ )36 ),37 38 TP_fast_assign(39 struct net_device *dev;40 struct in6_addr *in6;41 __be32 *p32;42 43 __entry->tb_id = tb_id;44 __entry->err = err;45 __entry->oif = flp->flowi4_oif;46 __entry->iif = flp->flowi4_iif;47 __entry->tos = flp->flowi4_tos;48 __entry->scope = flp->flowi4_scope;49 __entry->flags = flp->flowi4_flags;50 51 p32 = (__be32 *) __entry->src;52 *p32 = flp->saddr;53 54 p32 = (__be32 *) __entry->dst;55 *p32 = flp->daddr;56 57 __entry->proto = flp->flowi4_proto;58 if (__entry->proto == IPPROTO_TCP ||59 __entry->proto == IPPROTO_UDP) {60 __entry->sport = ntohs(flp->fl4_sport);61 __entry->dport = ntohs(flp->fl4_dport);62 } else {63 __entry->sport = 0;64 __entry->dport = 0;65 }66 67 dev = nhc ? nhc->nhc_dev : NULL;68 strscpy(__entry->name, dev ? dev->name : "-", IFNAMSIZ);69 70 if (nhc) {71 if (nhc->nhc_gw_family == AF_INET) {72 p32 = (__be32 *) __entry->gw4;73 *p32 = nhc->nhc_gw.ipv4;74 75 in6 = (struct in6_addr *)__entry->gw6;76 *in6 = in6addr_any;77 } else if (nhc->nhc_gw_family == AF_INET6) {78 p32 = (__be32 *) __entry->gw4;79 *p32 = 0;80 81 in6 = (struct in6_addr *)__entry->gw6;82 *in6 = nhc->nhc_gw.ipv6;83 }84 } else {85 p32 = (__be32 *) __entry->gw4;86 *p32 = 0;87 88 in6 = (struct in6_addr *)__entry->gw6;89 *in6 = in6addr_any;90 }91 ),92 93 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",94 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,95 __entry->src, __entry->sport, __entry->dst, __entry->dport,96 __entry->tos, __entry->scope, __entry->flags,97 __entry->name, __entry->gw4, __entry->gw6, __entry->err)98);99#endif /* _TRACE_FIB_H */100 101/* This part must be outside protection */102#include <trace/define_trace.h>103