diff options
Diffstat (limited to '')
| -rw-r--r-- | include/trace/events/fib.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/include/trace/events/fib.h b/include/trace/events/fib.h new file mode 100644 index 000000000..6f2a4dc35 --- /dev/null +++ b/include/trace/events/fib.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM fib + +#if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_FIB_H + +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <net/ip_fib.h> +#include <linux/tracepoint.h> + +TRACE_EVENT(fib_table_lookup, + + TP_PROTO(u32 tb_id, const struct flowi4 *flp, + const struct fib_nh_common *nhc, int err), + + TP_ARGS(tb_id, flp, nhc, err), + + TP_STRUCT__entry( + __field( u32, tb_id ) + __field( int, err ) + __field( int, oif ) + __field( int, iif ) + __field( u8, proto ) + __field( __u8, tos ) + __field( __u8, scope ) + __field( __u8, flags ) + __array( __u8, src, 4 ) + __array( __u8, dst, 4 ) + __array( __u8, gw4, 4 ) + __array( __u8, gw6, 16 ) + __field( u16, sport ) + __field( u16, dport ) + __dynamic_array(char, name, IFNAMSIZ ) + ), + + TP_fast_assign( + struct in6_addr in6_zero = {}; + struct net_device *dev; + struct in6_addr *in6; + __be32 *p32; + + __entry->tb_id = tb_id; + __entry->err = err; + __entry->oif = flp->flowi4_oif; + __entry->iif = flp->flowi4_iif; + __entry->tos = flp->flowi4_tos; + __entry->scope = flp->flowi4_scope; + __entry->flags = flp->flowi4_flags; + + p32 = (__be32 *) __entry->src; + *p32 = flp->saddr; + + p32 = (__be32 *) __entry->dst; + *p32 = flp->daddr; + + __entry->proto = flp->flowi4_proto; + if (__entry->proto == IPPROTO_TCP || + __entry->proto == IPPROTO_UDP) { + __entry->sport = ntohs(flp->fl4_sport); + __entry->dport = ntohs(flp->fl4_dport); + } else { + __entry->sport = 0; + __entry->dport = 0; + } + + dev = nhc ? nhc->nhc_dev : NULL; + __assign_str(name, dev ? dev->name : "-"); + + if (nhc) { + if (nhc->nhc_gw_family == AF_INET) { + p32 = (__be32 *) __entry->gw4; + *p32 = nhc->nhc_gw.ipv4; + + in6 = (struct in6_addr *)__entry->gw6; + *in6 = in6_zero; + } else if (nhc->nhc_gw_family == AF_INET6) { + p32 = (__be32 *) __entry->gw4; + *p32 = 0; + + in6 = (struct in6_addr *)__entry->gw6; + *in6 = nhc->nhc_gw.ipv6; + } + } else { + p32 = (__be32 *) __entry->gw4; + *p32 = 0; + + in6 = (struct in6_addr *)__entry->gw6; + *in6 = in6_zero; + } + ), + + 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", + __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, + __entry->src, __entry->sport, __entry->dst, __entry->dport, + __entry->tos, __entry->scope, __entry->flags, + __get_str(name), __entry->gw4, __entry->gw6, __entry->err) +); +#endif /* _TRACE_FIB_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |