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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d4bea421f7
Similar to IPv4, IPv6 should use the FIB lookup result in the tracepoint. Signed-off-by: David Ahern <dsahern@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#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 fib6_info *f6i,
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struct fib6_table *table, const struct flowi6 *flp),
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TP_ARGS(net, f6i, table, 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 = table->tb6_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 = ip6_tclass(flp->flowlabel);
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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 (f6i->fib6_nh.nh_dev) {
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__assign_str(name, f6i->fib6_nh.nh_dev);
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} else {
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__assign_str(name, "");
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}
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if (f6i == net->ipv6.fib6_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 (f6i) {
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in6 = (struct in6_addr *)__entry->gw;
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*in6 = f6i->fib6_nh.nh_gw;
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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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