| 1 |
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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
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| 102 |
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| 103 |
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| 104 | #include <trace/define_trace.h>
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