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/flow.h> 11 #include <net/inet_dscp.h> 12 #include <net/ip_fib.h> 13 #include <linux/tracepoint.h> 14 15 TRACE_EVENT(fib_table_lookup, 16 17 TP_PROTO(u32 tb_id, const struct flowi4 *flp, 18 const struct fib_nh_common *nhc, int err), 19 20 TP_ARGS(tb_id, flp, nhc, err), 21 22 TP_STRUCT__entry( 23 __field( u32, tb_id ) 24 __field( int, err ) 25 __field( int, oif ) 26 __field( int, iif ) 27 __field( u8, proto ) 28 __field( __u8, tos ) 29 __field( __u8, scope ) 30 __field( __u8, flags ) 31 __array( __u8, src, 4 ) 32 __array( __u8, dst, 4 ) 33 __array( __u8, gw4, 4 ) 34 __array( __u8, gw6, 16 ) 35 __field( u16, sport ) 36 __field( u16, dport ) 37 __array(char, name, IFNAMSIZ ) 38 ), 39 40 TP_fast_assign( 41 struct net_device *dev; 42 struct in6_addr *in6; 43 __be32 *p32; 44 45 __entry->tb_id = tb_id; 46 __entry->err = err; 47 __entry->oif = flp->flowi4_oif; 48 __entry->iif = flp->flowi4_iif; 49 __entry->tos = inet_dscp_to_dsfield(flp->flowi4_dscp); 50 __entry->scope = flp->flowi4_scope; 51 __entry->flags = flp->flowi4_flags; 52 53 p32 = (__be32 *) __entry->src; 54 *p32 = flp->saddr; 55 56 p32 = (__be32 *) __entry->dst; 57 *p32 = flp->daddr; 58 59 __entry->proto = flp->flowi4_proto; 60 if (__entry->proto == IPPROTO_TCP || 61 __entry->proto == IPPROTO_UDP) { 62 __entry->sport = ntohs(flp->fl4_sport); 63 __entry->dport = ntohs(flp->fl4_dport); 64 } else { 65 __entry->sport = 0; 66 __entry->dport = 0; 67 } 68 69 dev = nhc ? nhc->nhc_dev : NULL; 70 strscpy(__entry->name, dev ? dev->name : "-", IFNAMSIZ); 71 72 if (nhc) { 73 if (nhc->nhc_gw_family == AF_INET) { 74 p32 = (__be32 *) __entry->gw4; 75 *p32 = nhc->nhc_gw.ipv4; 76 77 in6 = (struct in6_addr *)__entry->gw6; 78 *in6 = in6addr_any; 79 } else if (nhc->nhc_gw_family == AF_INET6) { 80 p32 = (__be32 *) __entry->gw4; 81 *p32 = 0; 82 83 in6 = (struct in6_addr *)__entry->gw6; 84 *in6 = nhc->nhc_gw.ipv6; 85 } 86 } else { 87 p32 = (__be32 *) __entry->gw4; 88 *p32 = 0; 89 90 in6 = (struct in6_addr *)__entry->gw6; 91 *in6 = in6addr_any; 92 } 93 ), 94 95 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", 96 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, 97 __entry->src, __entry->sport, __entry->dst, __entry->dport, 98 __entry->tos, __entry->scope, __entry->flags, 99 __entry->name, __entry->gw4, __entry->gw6, __entry->err) 100 ); 101 #endif /* _TRACE_FIB_H */ 102 103 /* This part must be outside protection */ 104 #include <trace/define_trace.h> 105