1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM fib6 4 5 #if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_FIB6_H 7 8 #include <linux/in6.h> 9 #include <net/flow.h> 10 #include <net/ip6_fib.h> 11 #include <linux/tracepoint.h> 12 13 TRACE_EVENT(fib6_table_lookup, 14 15 TP_PROTO(const struct net *net, const struct fib6_result *res, 16 struct fib6_table *table, const struct flowi6 *flp), 17 18 TP_ARGS(net, res, table, flp), 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, tos ) 26 __field( __u8, scope ) 27 __field( __u8, flags ) 28 __array( __u8, src, 16 ) 29 __array( __u8, dst, 16 ) 30 __field( u16, sport ) 31 __field( u16, dport ) 32 __field( u8, proto ) 33 __field( u8, rt_type ) 34 __array( char, name, IFNAMSIZ ) 35 __array( __u8, gw, 16 ) 36 ), 37 38 TP_fast_assign( 39 struct in6_addr *in6; 40 41 __entry->tb_id = table->tb6_id; 42 __entry->err = ip6_rt_type_to_error(res->fib6_type); 43 __entry->oif = flp->flowi6_oif; 44 __entry->iif = flp->flowi6_iif; 45 __entry->tos = ip6_tclass(flp->flowlabel); 46 __entry->scope = flp->flowi6_scope; 47 __entry->flags = flp->flowi6_flags; 48 49 in6 = (struct in6_addr *)__entry->src; 50 *in6 = flp->saddr; 51 52 in6 = (struct in6_addr *)__entry->dst; 53 *in6 = flp->daddr; 54 55 __entry->proto = flp->flowi6_proto; 56 if (__entry->proto == IPPROTO_TCP || 57 __entry->proto == IPPROTO_UDP) { 58 __entry->sport = ntohs(flp->fl6_sport); 59 __entry->dport = ntohs(flp->fl6_dport); 60 } else { 61 __entry->sport = 0; 62 __entry->dport = 0; 63 } 64 65 if (res->nh && res->nh->fib_nh_dev) { 66 strscpy(__entry->name, res->nh->fib_nh_dev->name, IFNAMSIZ); 67 } else { 68 strcpy(__entry->name, "-"); 69 } 70 if (res->f6i == net->ipv6.fib6_null_entry) { 71 in6 = (struct in6_addr *)__entry->gw; 72 *in6 = in6addr_any; 73 } else if (res->nh) { 74 in6 = (struct in6_addr *)__entry->gw; 75 *in6 = res->nh->fib_nh_gw6; 76 } 77 ), 78 79 TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u tos %d scope %d flags %x ==> dev %s gw %pI6c err %d", 80 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, 81 __entry->src, __entry->sport, __entry->dst, __entry->dport, 82 __entry->tos, __entry->scope, __entry->flags, 83 __entry->name, __entry->gw, __entry->err) 84 ); 85 86 #endif /* _TRACE_FIB6_H */ 87 88 /* This part must be outside protection */ 89 #include <trace/define_trace.h> 90