| 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/flow.h> | 
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| 11 | #include <net/inet_dscp.h> | 
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| 12 | #include <net/ip_fib.h> | 
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| 13 | #include <linux/tracepoint.h> | 
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| 14 |  | 
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| 15 | TRACE_EVENT(fib_table_lookup, | 
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| 16 |  | 
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| 17 | TP_PROTO(u32 tb_id, const struct flowi4 *flp, | 
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| 18 | const struct fib_nh_common *nhc, int err), | 
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| 19 |  | 
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| 20 | TP_ARGS(tb_id, flp, nhc, err), | 
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| 21 |  | 
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| 22 | TP_STRUCT__entry( | 
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| 23 | __field(	u32,	tb_id		) | 
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| 24 | __field(	int,	err		) | 
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| 25 | __field(	int,	oif		) | 
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| 26 | __field(	int,	iif		) | 
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| 27 | __field(	u8,	proto		) | 
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| 28 | __field(	__u8,	tos		) | 
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| 29 | __field(	__u8,	scope		) | 
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| 30 | __field(	__u8,	flags		) | 
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| 31 | __array(	__u8,	src,	4	) | 
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| 32 | __array(	__u8,	dst,	4	) | 
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| 33 | __array(	__u8,	gw4,	4	) | 
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| 34 | __array(	__u8,	gw6,	16	) | 
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| 35 | __field(	u16,	sport		) | 
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| 36 | __field(	u16,	dport		) | 
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| 37 | __array(char,  name,   IFNAMSIZ ) | 
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| 38 | ), | 
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| 39 |  | 
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| 40 | TP_fast_assign( | 
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| 41 | struct net_device *dev; | 
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| 42 | struct in6_addr *in6; | 
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| 43 | __be32 *p32; | 
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| 44 |  | 
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| 45 | __entry->tb_id = tb_id; | 
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| 46 | __entry->err = err; | 
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| 47 | __entry->oif = flp->flowi4_oif; | 
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| 48 | __entry->iif = flp->flowi4_iif; | 
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| 49 | __entry->tos = inet_dscp_to_dsfield(flp->flowi4_dscp); | 
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| 50 | __entry->scope = flp->flowi4_scope; | 
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| 51 | __entry->flags = flp->flowi4_flags; | 
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| 52 |  | 
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| 53 | p32 = (__be32 *) __entry->src; | 
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| 54 | *p32 = flp->saddr; | 
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| 55 |  | 
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| 56 | p32 = (__be32 *) __entry->dst; | 
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| 57 | *p32 = flp->daddr; | 
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| 58 |  | 
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| 59 | __entry->proto = flp->flowi4_proto; | 
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| 60 | if (__entry->proto == IPPROTO_TCP || | 
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| 61 | __entry->proto == IPPROTO_UDP) { | 
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| 62 | __entry->sport = ntohs(flp->fl4_sport); | 
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| 63 | __entry->dport = ntohs(flp->fl4_dport); | 
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| 64 | } else { | 
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| 65 | __entry->sport = 0; | 
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| 66 | __entry->dport = 0; | 
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| 67 | } | 
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| 68 |  | 
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| 69 | dev = nhc ? nhc->nhc_dev : NULL; | 
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| 70 | strscpy(__entry->name, dev ? dev->name : "-", IFNAMSIZ); | 
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| 71 |  | 
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| 72 | if (nhc) { | 
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| 73 | if (nhc->nhc_gw_family == AF_INET) { | 
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| 74 | p32 = (__be32 *) __entry->gw4; | 
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| 75 | *p32 = nhc->nhc_gw.ipv4; | 
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| 76 |  | 
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| 77 | in6 = (struct in6_addr *)__entry->gw6; | 
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| 78 | *in6 = in6addr_any; | 
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| 79 | } else if (nhc->nhc_gw_family == AF_INET6) { | 
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| 80 | p32 = (__be32 *) __entry->gw4; | 
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| 81 | *p32 = 0; | 
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| 82 |  | 
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| 83 | in6 = (struct in6_addr *)__entry->gw6; | 
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| 84 | *in6 = nhc->nhc_gw.ipv6; | 
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| 85 | } | 
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| 86 | } else { | 
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| 87 | p32 = (__be32 *) __entry->gw4; | 
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| 88 | *p32 = 0; | 
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| 89 |  | 
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| 90 | in6 = (struct in6_addr *)__entry->gw6; | 
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| 91 | *in6 = in6addr_any; | 
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| 92 | } | 
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| 93 | ), | 
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| 94 |  | 
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| 95 | 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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| 96 | __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, | 
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| 97 | __entry->src, __entry->sport, __entry->dst, __entry->dport, | 
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| 98 | __entry->tos, __entry->scope, __entry->flags, | 
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| 99 | __entry->name, __entry->gw4, __entry->gw6, __entry->err) | 
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| 100 | ); | 
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| 101 | #endif /* _TRACE_FIB_H */ | 
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| 102 |  | 
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| 103 | /* This part must be outside protection */ | 
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| 104 | #include <trace/define_trace.h> | 
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| 105 |  | 
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