| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #undef TRACE_SYSTEM |
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| 3 | #define TRACE_SYSTEM fib |
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| 4 | |
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| 5 | #if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ) |
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| 6 | #define _TRACE_FIB_H |
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| 7 | |
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| 8 | #include <linux/skbuff.h> |
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| 9 | #include <linux/netdevice.h> |
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| 10 | #include <net/ip_fib.h> |
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| 11 | #include <linux/tracepoint.h> |
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| 12 | |
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| 13 | TRACE_EVENT(fib_table_lookup, |
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| 14 | |
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| 15 | TP_PROTO(u32 tb_id, const struct flowi4 *flp, |
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| 16 | const struct fib_nh_common *nhc, int err), |
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| 17 | |
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| 18 | TP_ARGS(tb_id, flp, nhc, err), |
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| 19 | |
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| 20 | TP_STRUCT__entry( |
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| 21 | __field( u32, tb_id ) |
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| 22 | __field( int, err ) |
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| 23 | __field( int, oif ) |
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| 24 | __field( int, iif ) |
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| 25 | __field( u8, proto ) |
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| 26 | __field( __u8, tos ) |
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| 27 | __field( __u8, scope ) |
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| 28 | __field( __u8, flags ) |
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| 29 | __array( __u8, src, 4 ) |
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| 30 | __array( __u8, dst, 4 ) |
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| 31 | __array( __u8, gw4, 4 ) |
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| 32 | __array( __u8, gw6, 16 ) |
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| 33 | __field( u16, sport ) |
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| 34 | __field( u16, dport ) |
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| 35 | __array(char, name, IFNAMSIZ ) |
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| 36 | ), |
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| 37 | |
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| 38 | TP_fast_assign( |
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| 39 | struct net_device *dev; |
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| 40 | struct in6_addr *in6; |
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| 41 | __be32 *p32; |
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| 42 | |
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| 43 | __entry->tb_id = tb_id; |
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| 44 | __entry->err = err; |
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| 45 | __entry->oif = flp->flowi4_oif; |
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| 46 | __entry->iif = flp->flowi4_iif; |
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| 47 | __entry->tos = flp->flowi4_tos; |
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| 48 | __entry->scope = flp->flowi4_scope; |
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| 49 | __entry->flags = flp->flowi4_flags; |
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| 50 | |
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| 51 | p32 = (__be32 *) __entry->src; |
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| 52 | *p32 = flp->saddr; |
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| 53 | |
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| 54 | p32 = (__be32 *) __entry->dst; |
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| 55 | *p32 = flp->daddr; |
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| 56 | |
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| 57 | __entry->proto = flp->flowi4_proto; |
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| 58 | if (__entry->proto == IPPROTO_TCP || |
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| 59 | __entry->proto == IPPROTO_UDP) { |
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| 60 | __entry->sport = ntohs(flp->fl4_sport); |
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| 61 | __entry->dport = ntohs(flp->fl4_dport); |
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| 62 | } else { |
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| 63 | __entry->sport = 0; |
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| 64 | __entry->dport = 0; |
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| 65 | } |
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| 66 | |
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| 67 | dev = nhc ? nhc->nhc_dev : NULL; |
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| 68 | strscpy(__entry->name, dev ? dev->name : "-" , IFNAMSIZ); |
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| 69 | |
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| 70 | if (nhc) { |
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| 71 | if (nhc->nhc_gw_family == AF_INET) { |
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| 72 | p32 = (__be32 *) __entry->gw4; |
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| 73 | *p32 = nhc->nhc_gw.ipv4; |
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| 74 | |
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| 75 | in6 = (struct in6_addr *)__entry->gw6; |
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| 76 | *in6 = in6addr_any; |
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| 77 | } else if (nhc->nhc_gw_family == AF_INET6) { |
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| 78 | p32 = (__be32 *) __entry->gw4; |
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| 79 | *p32 = 0; |
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| 80 | |
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| 81 | in6 = (struct in6_addr *)__entry->gw6; |
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| 82 | *in6 = nhc->nhc_gw.ipv6; |
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| 83 | } |
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| 84 | } else { |
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| 85 | p32 = (__be32 *) __entry->gw4; |
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| 86 | *p32 = 0; |
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| 87 | |
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| 88 | in6 = (struct in6_addr *)__entry->gw6; |
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| 89 | *in6 = in6addr_any; |
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| 90 | } |
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| 91 | ), |
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| 92 | |
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| 93 | 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" , |
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| 94 | __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, |
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| 95 | __entry->src, __entry->sport, __entry->dst, __entry->dport, |
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| 96 | __entry->tos, __entry->scope, __entry->flags, |
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| 97 | __entry->name, __entry->gw4, __entry->gw6, __entry->err) |
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| 98 | ); |
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| 99 | #endif /* _TRACE_FIB_H */ |
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| 100 | |
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| 101 | /* This part must be outside protection */ |
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| 102 | #include <trace/define_trace.h> |
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| 103 | |
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