1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM fib 4 5 #if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_FIB_H 7 8 #include <linux/skbuff.h> 9 #include <linux/netdevice.h> 10 #include <net/ip_fib.h> 11 #include <linux/tracepoint.h> 12 13 TRACE_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 __dynamic_array(char, name, IFNAMSIZ ) 36 ), 37 38 TP_fast_assign( 39 struct in6_addr in6_zero = {}; 40 struct net_device *dev; 41 struct in6_addr *in6; 42 __be32 *p32; 43 44 __entry->tb_id = tb_id; 45 __entry->err = err; 46 __entry->oif = flp->flowi4_oif; 47 __entry->iif = flp->flowi4_iif; 48 __entry->tos = flp->flowi4_tos; 49 __entry->scope = flp->flowi4_scope; 50 __entry->flags = flp->flowi4_flags; 51 52 p32 = (__be32 *) __entry->src; 53 *p32 = flp->saddr; 54 55 p32 = (__be32 *) __entry->dst; 56 *p32 = flp->daddr; 57 58 __entry->proto = flp->flowi4_proto; 59 if (__entry->proto == IPPROTO_TCP || 60 __entry->proto == IPPROTO_UDP) { 61 __entry->sport = ntohs(flp->fl4_sport); 62 __entry->dport = ntohs(flp->fl4_dport); 63 } else { 64 __entry->sport = 0; 65 __entry->dport = 0; 66 } 67 68 dev = nhc ? nhc->nhc_dev : NULL; 69 __assign_str(name, dev ? dev->name : "-"); 70 71 if (nhc) { 72 if (nhc->nhc_gw_family == AF_INET) { 73 p32 = (__be32 *) __entry->gw4; 74 *p32 = nhc->nhc_gw.ipv4; 75 76 in6 = (struct in6_addr *)__entry->gw6; 77 *in6 = in6_zero; 78 } else if (nhc->nhc_gw_family == AF_INET6) { 79 p32 = (__be32 *) __entry->gw4; 80 *p32 = 0; 81 82 in6 = (struct in6_addr *)__entry->gw6; 83 *in6 = nhc->nhc_gw.ipv6; 84 } 85 } else { 86 p32 = (__be32 *) __entry->gw4; 87 *p32 = 0; 88 89 in6 = (struct in6_addr *)__entry->gw6; 90 *in6 = in6_zero; 91 } 92 ), 93 94 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", 95 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, 96 __entry->src, __entry->sport, __entry->dst, __entry->dport, 97 __entry->tos, __entry->scope, __entry->flags, 98 __get_str(name), __entry->gw4, __entry->gw6, __entry->err) 99 ); 100 #endif /* _TRACE_FIB_H */ 101 102 /* This part must be outside protection */ 103 #include <trace/define_trace.h> 104