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Date: Mon, 1 Mar 2021 09:03:13 +0800
From: kernel test robot <lkp@...el.com>
To: Vlad Buslov <vladbu@...dia.com>
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
linux-kernel@...r.kernel.org, Saeed Mahameed <saeedm@...dia.com>,
Dmytro Linkin <dlinkin@...dia.com>, Roi Dayan <roid@...dia.com>
Subject: drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1510:12:
error: implicit declaration of function 'fib_info_nh'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 06d5d309a3f17e32cd59926f391db1e1ea652184
commit: 8914add2c9e5518f6a864936658bba5752510b39 net/mlx5e: Handle FIB events to update tunnel endpoint device
date: 3 weeks ago
config: powerpc-randconfig-r004-20210301 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b077d82b00d81934c7c27ac89dd8b0e7f448bded)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8914add2c9e5518f6a864936658bba5752510b39
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 8914add2c9e5518f6a864936658bba5752510b39
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:5:
In file included from drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.h:7:
In file included from drivers/net/ethernet/mellanox/mlx5/core/en/tc_priv.h:7:
In file included from drivers/net/ethernet/mellanox/mlx5/core/en_tc.h:40:
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:5: warning: no previous prototype for function 'mlx5e_tc_tun_update_header_ipv6' [-Wmissing-prototypes]
int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
^
static
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1510:12: error: implicit declaration of function 'fib_info_nh' [-Werror,-Wimplicit-function-declaration]
fib_dev = fib_info_nh(fen_info->fi, 0)->fib_nh_dev;
^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1510:12: note: did you mean 'fib_info_put'?
include/net/ip_fib.h:528:20: note: 'fib_info_put' declared here
static inline void fib_info_put(struct fib_info *fi)
^
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1510:42: error: member reference type 'int' is not a pointer
fib_dev = fib_info_nh(fen_info->fi, 0)->fib_nh_dev;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
include/net/ip_fib.h:113:21: note: expanded from macro 'fib_nh_dev'
#define fib_nh_dev nh_common.nhc_dev
^
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1552:13: error: incomplete definition of type 'struct fib6_entry_notifier_info'
fen_info = container_of(info, struct fib6_entry_notifier_info, info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kernel.h:694:51: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
include/linux/compiler_types.h:256:74: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:39:58: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
include/linux/compiler_types.h:320:22: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:308:23: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:300:9: note: expanded from macro '__compiletime_assert'
if (!(condition)) \
^~~~~~~~~
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1546:9: note: forward declaration of 'struct fib6_entry_notifier_info'
struct fib6_entry_notifier_info *fen_info;
^
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1552:13: error: offsetof of incomplete type 'struct fib6_entry_notifier_info'
fen_info = container_of(info, struct fib6_entry_notifier_info, info);
^ ~~~~~~
include/linux/kernel.h:697:21: note: expanded from macro 'container_of'
((type *)(__mptr - offsetof(type, member))); })
^ ~~~~
include/linux/stddef.h:17:32: note: expanded from macro 'offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^ ~~~~
include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof'
#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
^ ~
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1546:9: note: forward declaration of 'struct fib6_entry_notifier_info'
struct fib6_entry_notifier_info *fen_info;
^
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1552:11: error: assigning to 'struct fib6_entry_notifier_info *' from incompatible type 'void'
fen_info = container_of(info, struct fib6_entry_notifier_info, info);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1553:12: error: implicit declaration of function 'fib6_info_nh_dev' [-Werror,-Wimplicit-function-declaration]
fib_dev = fib6_info_nh_dev(fen_info->rt);
^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1553:37: error: incomplete definition of type 'struct fib6_entry_notifier_info'
fib_dev = fib6_info_nh_dev(fen_info->rt);
~~~~~~~~^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1546:9: note: forward declaration of 'struct fib6_entry_notifier_info'
struct fib6_entry_notifier_info *fen_info;
^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1555:14: error: incomplete definition of type 'struct fib6_entry_notifier_info'
fen_info->rt->fib6_dst.plen != 128)
~~~~~~~~^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1546:9: note: forward declaration of 'struct fib6_entry_notifier_info'
struct fib6_entry_notifier_info *fen_info;
^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1562:39: error: incomplete definition of type 'struct fib6_entry_notifier_info'
memcpy(&key.endpoint_ip.v6, &fen_info->rt->fib6_dst.addr,
~~~~~~~~^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1546:9: note: forward declaration of 'struct fib6_entry_notifier_info'
struct fib6_entry_notifier_info *fen_info;
^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1563:24: error: incomplete definition of type 'struct fib6_entry_notifier_info'
sizeof(fen_info->rt->fib6_dst.addr));
~~~~~~~~^
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:1546:9: note: forward declaration of 'struct fib6_entry_notifier_info'
struct fib6_entry_notifier_info *fen_info;
^
1 warning and 10 errors generated.
vim +/fib_info_nh +1510 drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
1495
1496 static struct mlx5e_tc_fib_event_data *
1497 mlx5e_init_fib_work_ipv4(struct mlx5e_priv *priv,
1498 struct net_device *ul_dev,
1499 struct mlx5e_tc_tun_encap *encap,
1500 unsigned long event,
1501 struct fib_notifier_info *info)
1502 {
1503 struct fib_entry_notifier_info *fen_info;
1504 struct mlx5e_tc_fib_event_data *fib_work;
1505 struct mlx5e_route_entry *r;
1506 struct mlx5e_route_key key;
1507 struct net_device *fib_dev;
1508
1509 fen_info = container_of(info, struct fib_entry_notifier_info, info);
> 1510 fib_dev = fib_info_nh(fen_info->fi, 0)->fib_nh_dev;
1511 if (fib_dev->netdev_ops != &mlx5e_netdev_ops ||
1512 fen_info->dst_len != 32)
1513 return NULL;
1514
1515 fib_work = mlx5e_tc_init_fib_work(event, ul_dev, GFP_ATOMIC);
1516 if (!fib_work)
1517 return ERR_PTR(-ENOMEM);
1518
1519 key.endpoint_ip.v4 = htonl(fen_info->dst);
1520 key.ip_version = 4;
1521
1522 /* Can't fail after this point because releasing reference to r
1523 * requires obtaining sleeping mutex which we can't do in atomic
1524 * context.
1525 */
1526 r = mlx5e_route_lookup_for_update(encap, &key);
1527 if (!r)
1528 goto out;
1529 fib_work->r = r;
1530 dev_hold(ul_dev);
1531
1532 return fib_work;
1533
1534 out:
1535 kfree(fib_work);
1536 return NULL;
1537 }
1538
1539 static struct mlx5e_tc_fib_event_data *
1540 mlx5e_init_fib_work_ipv6(struct mlx5e_priv *priv,
1541 struct net_device *ul_dev,
1542 struct mlx5e_tc_tun_encap *encap,
1543 unsigned long event,
1544 struct fib_notifier_info *info)
1545 {
1546 struct fib6_entry_notifier_info *fen_info;
1547 struct mlx5e_tc_fib_event_data *fib_work;
1548 struct mlx5e_route_entry *r;
1549 struct mlx5e_route_key key;
1550 struct net_device *fib_dev;
1551
> 1552 fen_info = container_of(info, struct fib6_entry_notifier_info, info);
> 1553 fib_dev = fib6_info_nh_dev(fen_info->rt);
1554 if (fib_dev->netdev_ops != &mlx5e_netdev_ops ||
1555 fen_info->rt->fib6_dst.plen != 128)
1556 return NULL;
1557
1558 fib_work = mlx5e_tc_init_fib_work(event, ul_dev, GFP_ATOMIC);
1559 if (!fib_work)
1560 return ERR_PTR(-ENOMEM);
1561
1562 memcpy(&key.endpoint_ip.v6, &fen_info->rt->fib6_dst.addr,
1563 sizeof(fen_info->rt->fib6_dst.addr));
1564 key.ip_version = 6;
1565
1566 /* Can't fail after this point because releasing reference to r
1567 * requires obtaining sleeping mutex which we can't do in atomic
1568 * context.
1569 */
1570 r = mlx5e_route_lookup_for_update(encap, &key);
1571 if (!r)
1572 goto out;
1573 fib_work->r = r;
1574 dev_hold(ul_dev);
1575
1576 return fib_work;
1577
1578 out:
1579 kfree(fib_work);
1580 return NULL;
1581 }
1582
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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