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-rw-r--r--include/trace/events/fib.h103
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>