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Message-ID: <201805231420.RtRRwT78%fengguang.wu@intel.com>
Date: Wed, 23 May 2018 14:46:51 +0800
From: kbuild test robot <lkp@...el.com>
To: dsahern@...nel.org
Cc: kbuild-all@...org, netdev@...r.kernel.org,
David Ahern <dsahern@...il.com>
Subject: Re: [PATCH net-next 2/3] net/ipv6: Udate fib6_table_lookup tracepoint
Hi David,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/dsahern-kernel-org/net-ipv4-Udate-fib_table_lookup-tracepoint/20180523-083238
config: x86_64-randconfig-s4-05231222 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
net/core/net-traces.o: In function `perf_trace_fib6_table_lookup':
>> include/trace/events/fib6.h:13: undefined reference to `ip6_rt_type_to_error'
net/core/net-traces.o: In function `trace_event_raw_event_fib6_table_lookup':
>> include/trace/events/fib6.h:13: undefined reference to `ip6_rt_type_to_error'
vim +13 include/trace/events/fib6.h
b811580d David Ahern 2015-11-19 12
b811580d David Ahern 2015-11-19 @13 TRACE_EVENT(fib6_table_lookup,
b811580d David Ahern 2015-11-19 14
d4bea421 David Ahern 2018-05-09 15 TP_PROTO(const struct net *net, const struct fib6_info *f6i,
b65f164d Paolo Abeni 2017-10-19 16 struct fib6_table *table, const struct flowi6 *flp),
b811580d David Ahern 2015-11-19 17
d4bea421 David Ahern 2018-05-09 18 TP_ARGS(net, f6i, table, flp),
b811580d David Ahern 2015-11-19 19
b811580d David Ahern 2015-11-19 20 TP_STRUCT__entry(
b811580d David Ahern 2015-11-19 21 __field( u32, tb_id )
6d233bf4 David Ahern 2018-05-21 22 __field( int, err )
b811580d David Ahern 2015-11-19 23 __field( int, oif )
b811580d David Ahern 2015-11-19 24 __field( int, iif )
b811580d David Ahern 2015-11-19 25 __field( __u8, tos )
b811580d David Ahern 2015-11-19 26 __field( __u8, scope )
b811580d David Ahern 2015-11-19 27 __field( __u8, flags )
b811580d David Ahern 2015-11-19 28 __array( __u8, src, 16 )
b811580d David Ahern 2015-11-19 29 __array( __u8, dst, 16 )
6d233bf4 David Ahern 2018-05-21 30 __field( u16, sport )
6d233bf4 David Ahern 2018-05-21 31 __field( u16, dport )
6d233bf4 David Ahern 2018-05-21 32 __field( u8, proto )
6d233bf4 David Ahern 2018-05-21 33 __field( u8, rt_type )
b811580d David Ahern 2015-11-19 34 __dynamic_array( char, name, IFNAMSIZ )
b811580d David Ahern 2015-11-19 35 __array( __u8, gw, 16 )
b811580d David Ahern 2015-11-19 36 ),
b811580d David Ahern 2015-11-19 37
b811580d David Ahern 2015-11-19 38 TP_fast_assign(
b811580d David Ahern 2015-11-19 39 struct in6_addr *in6;
b811580d David Ahern 2015-11-19 40
b65f164d Paolo Abeni 2017-10-19 41 __entry->tb_id = table->tb6_id;
6d233bf4 David Ahern 2018-05-21 42 __entry->err = ip6_rt_type_to_error(f6i->fib6_type);
b811580d David Ahern 2015-11-19 43 __entry->oif = flp->flowi6_oif;
b811580d David Ahern 2015-11-19 44 __entry->iif = flp->flowi6_iif;
69716a2b Daniel Borkmann 2016-03-18 45 __entry->tos = ip6_tclass(flp->flowlabel);
b811580d David Ahern 2015-11-19 46 __entry->scope = flp->flowi6_scope;
b811580d David Ahern 2015-11-19 47 __entry->flags = flp->flowi6_flags;
b811580d David Ahern 2015-11-19 48
b811580d David Ahern 2015-11-19 49 in6 = (struct in6_addr *)__entry->src;
b811580d David Ahern 2015-11-19 50 *in6 = flp->saddr;
b811580d David Ahern 2015-11-19 51
b811580d David Ahern 2015-11-19 52 in6 = (struct in6_addr *)__entry->dst;
b811580d David Ahern 2015-11-19 53 *in6 = flp->daddr;
b811580d David Ahern 2015-11-19 54
6d233bf4 David Ahern 2018-05-21 55 __entry->proto = flp->flowi6_proto;
6d233bf4 David Ahern 2018-05-21 56 if (__entry->proto == IPPROTO_TCP ||
6d233bf4 David Ahern 2018-05-21 57 __entry->proto == IPPROTO_UDP) {
6d233bf4 David Ahern 2018-05-21 58 __entry->sport = ntohs(flp->fl6_sport);
6d233bf4 David Ahern 2018-05-21 59 __entry->dport = ntohs(flp->fl6_dport);
6d233bf4 David Ahern 2018-05-21 60 } else {
6d233bf4 David Ahern 2018-05-21 61 __entry->sport = 0;
6d233bf4 David Ahern 2018-05-21 62 __entry->dport = 0;
6d233bf4 David Ahern 2018-05-21 63 }
6d233bf4 David Ahern 2018-05-21 64
d4bea421 David Ahern 2018-05-09 65 if (f6i->fib6_nh.nh_dev) {
d4bea421 David Ahern 2018-05-09 66 __assign_str(name, f6i->fib6_nh.nh_dev);
b811580d David Ahern 2015-11-19 67 } else {
6d233bf4 David Ahern 2018-05-21 68 __assign_str(name, "-");
b811580d David Ahern 2015-11-19 69 }
d4bea421 David Ahern 2018-05-09 70 if (f6i == net->ipv6.fib6_null_entry) {
b811580d David Ahern 2015-11-19 71 struct in6_addr in6_zero = {};
b811580d David Ahern 2015-11-19 72
b811580d David Ahern 2015-11-19 73 in6 = (struct in6_addr *)__entry->gw;
b811580d David Ahern 2015-11-19 74 *in6 = in6_zero;
b811580d David Ahern 2015-11-19 75
d4bea421 David Ahern 2018-05-09 76 } else if (f6i) {
b811580d David Ahern 2015-11-19 77 in6 = (struct in6_addr *)__entry->gw;
d4bea421 David Ahern 2018-05-09 78 *in6 = f6i->fib6_nh.nh_gw;
b811580d David Ahern 2015-11-19 79 }
b811580d David Ahern 2015-11-19 80 ),
b811580d David Ahern 2015-11-19 81
6d233bf4 David Ahern 2018-05-21 82 TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u tos %d scope %d flags %x ==> dev %s gw %pI6c err %d",
6d233bf4 David Ahern 2018-05-21 83 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
6d233bf4 David Ahern 2018-05-21 84 __entry->src, __entry->sport, __entry->dst, __entry->dport,
6d233bf4 David Ahern 2018-05-21 85 __entry->tos, __entry->scope, __entry->flags,
6d233bf4 David Ahern 2018-05-21 86 __get_str(name), __entry->gw, __entry->err)
b811580d David Ahern 2015-11-19 87 );
b811580d David Ahern 2015-11-19 88
:::::: The code at line 13 was first introduced by commit
:::::: b811580d91e9c0945b0a923dcec3e10cce04ac30 net: IPv6 fib lookup tracepoint
:::::: TO: David Ahern <dsa@...ulusnetworks.com>
:::::: CC: David S. Miller <davem@...emloft.net>
---
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