| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 *nh, int err), |
| 17 | |
| 18 | TP_ARGS(tb_id, flp, nh, 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, gw, 4 ) |
| 32 | __array( __u8, saddr, 4 ) |
| 33 | __field( u16, sport ) |
| 34 | __field( u16, dport ) |
| 35 | __dynamic_array(char, name, IFNAMSIZ ) |
| 36 | ), |
| 37 | |
| 38 | TP_fast_assign( |
| 39 | __be32 *p32; |
| 40 | |
| 41 | __entry->tb_id = tb_id; |
| 42 | __entry->err = err; |
| 43 | __entry->oif = flp->flowi4_oif; |
| 44 | __entry->iif = flp->flowi4_iif; |
| 45 | __entry->tos = flp->flowi4_tos; |
| 46 | __entry->scope = flp->flowi4_scope; |
| 47 | __entry->flags = flp->flowi4_flags; |
| 48 | |
| 49 | p32 = (__be32 *) __entry->src; |
| 50 | *p32 = flp->saddr; |
| 51 | |
| 52 | p32 = (__be32 *) __entry->dst; |
| 53 | *p32 = flp->daddr; |
| 54 | |
| 55 | __entry->proto = flp->flowi4_proto; |
| 56 | if (__entry->proto == IPPROTO_TCP || |
| 57 | __entry->proto == IPPROTO_UDP) { |
| 58 | __entry->sport = ntohs(flp->fl4_sport); |
| 59 | __entry->dport = ntohs(flp->fl4_dport); |
| 60 | } else { |
| 61 | __entry->sport = 0; |
| 62 | __entry->dport = 0; |
| 63 | } |
| 64 | |
| 65 | if (nh) { |
| 66 | p32 = (__be32 *) __entry->saddr; |
| 67 | *p32 = nh->nh_saddr; |
| 68 | |
| 69 | p32 = (__be32 *) __entry->gw; |
| 70 | *p32 = nh->nh_gw; |
| 71 | |
| 72 | __assign_str(name, nh->nh_dev ? nh->nh_dev->name : "-"); |
| 73 | } else { |
| 74 | p32 = (__be32 *) __entry->saddr; |
| 75 | *p32 = 0; |
| 76 | |
| 77 | p32 = (__be32 *) __entry->gw; |
| 78 | *p32 = 0; |
| 79 | |
| 80 | __assign_str(name, "-"); |
| 81 | } |
| 82 | ), |
| 83 | |
| 84 | TP_printk("table %u oif %d iif %d proto %u %pI4/%u -> %pI4/%u tos %d scope %d flags %x ==> dev %s gw %pI4 src %pI4 err %d", |
| 85 | __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, |
| 86 | __entry->src, __entry->sport, __entry->dst, __entry->dport, |
| 87 | __entry->tos, __entry->scope, __entry->flags, |
| 88 | __get_str(name), __entry->gw, __entry->saddr, __entry->err) |
| 89 | ); |
| 90 | #endif /* _TRACE_FIB_H */ |
| 91 | |
| 92 | /* This part must be outside protection */ |
| 93 | #include <trace/define_trace.h> |