/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM fib6

#if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_FIB6_H

#include <linux/in6.h>
#include <net/flow.h>
#include <net/ip6_fib.h>
#include <linux/tracepoint.h>

TRACE_EVENT(fib6_table_lookup,

        TP_PROTO(const struct net *net, const struct fib6_result *res,
                 struct fib6_table *table, const struct flowi6 *flp),

        TP_ARGS(net, res, table, flp),

        TP_STRUCT__entry(
                __field(        u32,    tb_id           )
                __field(        int,    err             )
                __field(        int,    oif             )
                __field(        int,    iif             )
                __field(        u32,    flowlabel       )
                __field(        __u8,   tos             )
                __field(        __u8,   scope           )
                __field(        __u8,   flags           )
                __array(        __u8,   src,    16      )
                __array(        __u8,   dst,    16      )
                __field(        u16,    sport           )
                __field(        u16,    dport           )
                __field(        u8,     proto           )
                __field(        u8,     rt_type         )
                __array(                char,   name,   IFNAMSIZ )
                __array(                __u8,   gw,     16       )
        ),

        TP_fast_assign(
                struct in6_addr *in6;

                __entry->tb_id = table->tb6_id;
                __entry->err = ip6_rt_type_to_error(res->fib6_type);
                __entry->oif = flp->flowi6_oif;
                __entry->iif = flp->flowi6_iif;
                __entry->flowlabel = ntohl(flowi6_get_flowlabel(flp));
                __entry->tos = ip6_tclass(flp->flowlabel);
                __entry->scope = flp->flowi6_scope;
                __entry->flags = flp->flowi6_flags;

                in6 = (struct in6_addr *)__entry->src;
                *in6 = flp->saddr;

                in6 = (struct in6_addr *)__entry->dst;
                *in6 = flp->daddr;

                __entry->proto = flp->flowi6_proto;
                if (__entry->proto == IPPROTO_TCP ||
                    __entry->proto == IPPROTO_UDP) {
                        __entry->sport = ntohs(flp->fl6_sport);
                        __entry->dport = ntohs(flp->fl6_dport);
                } else {
                        __entry->sport = 0;
                        __entry->dport = 0;
                }

                if (res->nh && res->nh->fib_nh_dev) {
                        strscpy(__entry->name, res->nh->fib_nh_dev->name, IFNAMSIZ);
                } else {
                        strcpy(__entry->name, "-");
                }
                if (res->f6i == net->ipv6.fib6_null_entry) {
                        in6 = (struct in6_addr *)__entry->gw;
                        *in6 = in6addr_any;
                } else if (res->nh) {
                        in6 = (struct in6_addr *)__entry->gw;
                        *in6 = res->nh->fib_nh_gw6;
                }
        ),

        TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u flowlabel %#x tos %d scope %d flags %x ==> dev %s gw %pI6c err %d",
                  __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
                  __entry->src, __entry->sport, __entry->dst, __entry->dport,
                  __entry->flowlabel, __entry->tos, __entry->scope,
                  __entry->flags, __entry->name, __entry->gw, __entry->err)
);

#endif /* _TRACE_FIB6_H */

/* This part must be outside protection */
#include <trace/define_trace.h>