mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 13:37:49 +07:00
b811580d91
Add tracepoint to show fib6 table lookups and result. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM fib6
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#if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_FIB6_H
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#include <linux/in6.h>
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#include <net/flow.h>
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#include <net/ip6_fib.h>
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#include <linux/tracepoint.h>
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TRACE_EVENT(fib6_table_lookup,
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TP_PROTO(const struct net *net, const struct rt6_info *rt,
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u32 tb_id, const struct flowi6 *flp),
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TP_ARGS(net, rt, tb_id, flp),
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TP_STRUCT__entry(
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__field( u32, tb_id )
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__field( int, oif )
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__field( int, iif )
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__field( __u8, tos )
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__field( __u8, scope )
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__field( __u8, flags )
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__array( __u8, src, 16 )
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__array( __u8, dst, 16 )
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__dynamic_array( char, name, IFNAMSIZ )
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__array( __u8, gw, 16 )
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),
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TP_fast_assign(
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struct in6_addr *in6;
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__entry->tb_id = tb_id;
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__entry->oif = flp->flowi6_oif;
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__entry->iif = flp->flowi6_iif;
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__entry->tos = flp->flowi6_tos;
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__entry->scope = flp->flowi6_scope;
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__entry->flags = flp->flowi6_flags;
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in6 = (struct in6_addr *)__entry->src;
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*in6 = flp->saddr;
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in6 = (struct in6_addr *)__entry->dst;
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*in6 = flp->daddr;
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if (rt->rt6i_idev) {
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__assign_str(name, rt->rt6i_idev->dev->name);
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} else {
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__assign_str(name, "");
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}
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if (rt == net->ipv6.ip6_null_entry) {
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struct in6_addr in6_zero = {};
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in6 = (struct in6_addr *)__entry->gw;
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*in6 = in6_zero;
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} else if (rt) {
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in6 = (struct in6_addr *)__entry->gw;
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*in6 = rt->rt6i_gateway;
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}
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),
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TP_printk("table %3u oif %d iif %d src %pI6c dst %pI6c tos %d scope %d flags %x ==> dev %s gw %pI6c",
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__entry->tb_id, __entry->oif, __entry->iif,
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__entry->src, __entry->dst, __entry->tos, __entry->scope,
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__entry->flags, __get_str(name), __entry->gw)
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);
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#endif /* _TRACE_FIB6_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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