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Date: Fri, 26 Nov 2021 05:00:41 +0800
From: kernel test robot <lkp@...el.com>
To: Petr Machata <petrm@...dia.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [jpirko-mlxsw:petrm_soft_counters 8/8] net/core/rtnetlink.c:5033:53:
error: 'info' undeclared
tree: https://github.com/jpirko/linux_mlxsw petrm_soft_counters
head: 59d158395664dab1c1164364d6ee57aaaad44b96
commit: 59d158395664dab1c1164364d6ee57aaaad44b96 [8/8] wip
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20211126/202111260416.BVNDGLfL-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/jpirko/linux_mlxsw/commit/59d158395664dab1c1164364d6ee57aaaad44b96
git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
git fetch --no-tags jpirko-mlxsw petrm_soft_counters
git checkout 59d158395664dab1c1164364d6ee57aaaad44b96
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash
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 >>):
net/core/rtnetlink.c: In function 'rtnl_offload_xstats_have_ndo':
>> net/core/rtnetlink.c:5033:53: error: 'info' undeclared (first use in this function)
5033 | dev->netdev_ops->ndo_has_offload_stats(dev, info->attr_id);
| ^~~~
net/core/rtnetlink.c:5033:53: note: each undeclared identifier is reported only once for each function it appears in
net/core/rtnetlink.c: At top level:
net/core/rtnetlink.c:5073:53: warning: 'struct rtnl_offload_xstats_info' declared inside parameter list will not be visible outside of this definition or declaration
5073 | rtnl_offload_xstats_get_size_hw_s_info(const struct rtnl_offload_xstats_info *info,
| ^~~~~~~~~~~~~~~~~~~~~~~~
net/core/rtnetlink.c: In function 'rtnl_offload_xstats_get_size_hw_s_info':
>> net/core/rtnetlink.c:5076:17: error: implicit declaration of function 'netdev_offload_xstats_enabled'; did you mean 'netdev_offload_xstats_report_delta'? [-Werror=implicit-function-declaration]
5076 | bool enabled = netdev_offload_xstats_enabled(dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| netdev_offload_xstats_report_delta
>> net/core/rtnetlink.c:5082:5: error: expected ';' before '}' token
5082 | 0)
| ^
| ;
5083 | }
| ~
net/core/rtnetlink.c: In function 'rtnl_offload_xstats_fill_hw_s_info':
net/core/rtnetlink.c:5099:6: warning: unused variable 'err' [-Wunused-variable]
5099 | int err;
| ^~~
net/core/rtnetlink.c: At top level:
net/core/rtnetlink.c:5122:52: warning: 'struct rtnl_offload_xstats_info' declared inside parameter list will not be visible outside of this definition or declaration
5122 | rtnl_offload_xstats_get_size_sw_stats(const struct rtnl_offload_xstats_info *info,
| ^~~~~~~~~~~~~~~~~~~~~~~~
net/core/rtnetlink.c: In function 'rtnl_offload_xstats_fill_sw_stats':
net/core/rtnetlink.c:5133:1: error: no return statement in function returning non-void [-Werror=return-type]
5133 | }
| ^
net/core/rtnetlink.c: In function 'rtnl_get_offload_stats_size':
>> net/core/rtnetlink.c:5156:49: error: passing argument 1 of 'rtnl_offload_xstats_get_size_hw_s_info' from incompatible pointer type [-Werror=incompatible-pointer-types]
5156 | size = rtnl_offload_xstats_get_size_hw_s_info(dev);
| ^~~
| |
| const struct net_device *
net/core/rtnetlink.c:5073:79: note: expected 'const struct rtnl_offload_xstats_info *' but argument is of type 'const struct net_device *'
5073 | rtnl_offload_xstats_get_size_hw_s_info(const struct rtnl_offload_xstats_info *info,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
>> net/core/rtnetlink.c:5156:10: error: too few arguments to function 'rtnl_offload_xstats_get_size_hw_s_info'
5156 | size = rtnl_offload_xstats_get_size_hw_s_info(dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/core/rtnetlink.c:5073:1: note: declared here
5073 | rtnl_offload_xstats_get_size_hw_s_info(const struct rtnl_offload_xstats_info *info,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/core/rtnetlink.c:5162:48: error: passing argument 1 of 'rtnl_offload_xstats_get_size_sw_stats' from incompatible pointer type [-Werror=incompatible-pointer-types]
5162 | size = rtnl_offload_xstats_get_size_sw_stats(dev);
| ^~~
| |
| const struct net_device *
net/core/rtnetlink.c:5122:78: note: expected 'const struct rtnl_offload_xstats_info *' but argument is of type 'const struct net_device *'
5122 | rtnl_offload_xstats_get_size_sw_stats(const struct rtnl_offload_xstats_info *info,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
>> net/core/rtnetlink.c:5162:10: error: too few arguments to function 'rtnl_offload_xstats_get_size_sw_stats'
5162 | size = rtnl_offload_xstats_get_size_sw_stats(dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/core/rtnetlink.c:5122:1: note: declared here
5122 | rtnl_offload_xstats_get_size_sw_stats(const struct rtnl_offload_xstats_info *info,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/core/rtnetlink.c: In function 'rtnl_fill_offload_stats':
>> net/core/rtnetlink.c:5206:51: error: 'size' undeclared (first use in this function); did you mean 'ksize'?
5206 | attr = nla_reserve_64bit(skb, attr_id_hw_stats, size,
| ^~~~
| ksize
net/core/rtnetlink.c:5184:6: warning: unused variable 'i' [-Wunused-variable]
5184 | int i;
| ^
In file included from include/net/rtnetlink.h:6,
from include/net/sch_generic.h:20,
from include/linux/filter.h:25,
from include/net/sock.h:59,
from include/net/inet_sock.h:22,
from include/net/ip.h:28,
from net/core/rtnetlink.c:45:
net/core/rtnetlink.c: At top level:
>> net/core/rtnetlink.c:5535:28: error: 'IFLA_HW_STATS_IMMEDIATE' undeclared here (not in a function); did you mean 'TCA_ACT_HW_STATS_IMMEDIATE'?
5535 | #define IFLA_HW_STATS_ANY (IFLA_HW_STATS_IMMEDIATE)
| ^~~~~~~~~~~~~~~~~~~~~~~
include/net/netlink.h:365:48: note: in definition of macro 'NLA_POLICY_BITFIELD32'
365 | { .type = NLA_BITFIELD32, .bitfield32_valid = valid }
| ^~~~~
net/core/rtnetlink.c:5539:25: note: in expansion of macro 'IFLA_HW_STATS_ANY'
5539 | NLA_POLICY_BITFIELD32(IFLA_HW_STATS_ANY),
| ^~~~~~~~~~~~~~~~~
net/core/rtnetlink.c: In function 'rtnl_offload_xstats_have_ndo':
net/core/rtnetlink.c:5034:1: error: control reaches end of non-void function [-Werror=return-type]
5034 | }
| ^
cc1: some warnings being treated as errors
vim +/info +5033 net/core/rtnetlink.c
e8872a25a05efcf Nikolay Aleksandrov 2016-04-30 5026
59d158395664dab Petr Machata 2021-11-25 5027 static bool
59d158395664dab Petr Machata 2021-11-25 5028 rtnl_offload_xstats_have_ndo(const struct net_device *dev, int attr_id)
a8a72b09197b260 Petr Machata 2021-10-22 5029 {
59d158395664dab Petr Machata 2021-11-25 5030 return dev->netdev_ops &&
a8a72b09197b260 Petr Machata 2021-10-22 5031 dev->netdev_ops->ndo_has_offload_stats &&
a8a72b09197b260 Petr Machata 2021-10-22 5032 dev->netdev_ops->ndo_get_offload_stats &&
7f3ca7ed5c4b775 Petr Machata 2021-11-03 @5033 dev->netdev_ops->ndo_has_offload_stats(dev, info->attr_id);
59d158395664dab Petr Machata 2021-11-25 5034 }
d35d00a6d28ff7a Petr Machata 2021-11-12 5035
59d158395664dab Petr Machata 2021-11-25 5036 static unsigned int
59d158395664dab Petr Machata 2021-11-25 5037 rtnl_offload_xstats_get_size_ndo(const struct net_device *dev, int attr_id)
59d158395664dab Petr Machata 2021-11-25 5038 {
59d158395664dab Petr Machata 2021-11-25 5039 return rtnl_offload_xstats_have_ndo(dev, attr_id) ?
59d158395664dab Petr Machata 2021-11-25 5040 sizeof(struct rtnl_link_stats64) : 0;
a8a72b09197b260 Petr Machata 2021-10-22 5041 }
a8a72b09197b260 Petr Machata 2021-10-22 5042
a8a72b09197b260 Petr Machata 2021-10-22 5043 static int
59d158395664dab Petr Machata 2021-11-25 5044 rtnl_offload_xstats_fill_ndo(struct net_device *dev, int attr_id,
59d158395664dab Petr Machata 2021-11-25 5045 struct sk_buff *skb,
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5046 struct netlink_ext_ack *extack)
a8a72b09197b260 Petr Machata 2021-10-22 5047 {
59d158395664dab Petr Machata 2021-11-25 5048 unsigned int size = rtnl_offload_xstats_get_size_ndo(dev, attr_id);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5049 struct nlattr *attr = NULL;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5050 void *attr_data;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5051 int err;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5052
d35d00a6d28ff7a Petr Machata 2021-11-12 5053 if (!size)
d35d00a6d28ff7a Petr Machata 2021-11-12 5054 return 0;
d35d00a6d28ff7a Petr Machata 2021-11-12 5055
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5056 // xxx does nla_reserve take into account attribute header?
59d158395664dab Petr Machata 2021-11-25 5057 attr = nla_reserve_64bit(skb, attr_id, size,
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5058 IFLA_OFFLOAD_XSTATS_UNSPEC);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5059 if (!attr)
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5060 return -EMSGSIZE;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5061
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5062 attr_data = nla_data(attr);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5063 memset(attr_data, 0, size);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5064
59d158395664dab Petr Machata 2021-11-25 5065 err = dev->netdev_ops->ndo_get_offload_stats(attr_id, dev, attr_data);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5066 if (err)
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5067 return err;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5068
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5069 return 0;
a8a72b09197b260 Petr Machata 2021-10-22 5070 }
a8a72b09197b260 Petr Machata 2021-10-22 5071
d35d00a6d28ff7a Petr Machata 2021-11-12 5072 static unsigned int
59d158395664dab Petr Machata 2021-11-25 5073 rtnl_offload_xstats_get_size_hw_s_info(const struct rtnl_offload_xstats_info *info,
d35d00a6d28ff7a Petr Machata 2021-11-12 5074 const struct net_device *dev)
d35d00a6d28ff7a Petr Machata 2021-11-12 5075 {
59d158395664dab Petr Machata 2021-11-25 @5076 bool enabled = netdev_offload_xstats_enabled(dev);
d35d00a6d28ff7a Petr Machata 2021-11-12 5077
59d158395664dab Petr Machata 2021-11-25 5078 return (/* IFLA_OFFLOAD_XSTATS_HW_S_INFO_ENABLED */
59d158395664dab Petr Machata 2021-11-25 5079 nla_total_size(sizeof(u8)) +
59d158395664dab Petr Machata 2021-11-25 5080 /* IFLA_OFFLOAD_XSTATS_HW_S_INFO_IN_HW_COUNT */
59d158395664dab Petr Machata 2021-11-25 5081 (enabled ? nla_total_size(sizeof(u32)) : 0) +
59d158395664dab Petr Machata 2021-11-25 @5082 0)
59d158395664dab Petr Machata 2021-11-25 5083 }
59d158395664dab Petr Machata 2021-11-25 5084
59d158395664dab Petr Machata 2021-11-25 5085 static unsigned int
59d158395664dab Petr Machata 2021-11-25 5086 rtnl_offload_xstats_get_size_hw_stats(const struct net_device *dev)
59d158395664dab Petr Machata 2021-11-25 5087 {
59d158395664dab Petr Machata 2021-11-25 5088 bool enabled = netdev_offload_xstats_enabled(dev);
59d158395664dab Petr Machata 2021-11-25 5089
59d158395664dab Petr Machata 2021-11-25 5090 return enabled ? sizeof(struct rtnl_link_stats64) : 0;
d35d00a6d28ff7a Petr Machata 2021-11-12 5091 }
d35d00a6d28ff7a Petr Machata 2021-11-12 5092
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5093 static int
59d158395664dab Petr Machata 2021-11-25 5094 rtnl_offload_xstats_fill_hw_s_info(struct net_device *dev, struct sk_buff *skb,
59d158395664dab Petr Machata 2021-11-25 5095 int in_hw_count)
a8a72b09197b260 Petr Machata 2021-10-22 5096 {
59d158395664dab Petr Machata 2021-11-25 5097 bool enabled = netdev_offload_xstats_enabled(dev);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5098 struct nlattr *nest;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5099 int err;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5100
59d158395664dab Petr Machata 2021-11-25 5101 nest = nla_nest_start(skb, IFLA_OFFLOAD_XSTATS_HW_S_INFO);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5102 if (!nest)
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5103 return -EMSGSIZE;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5104
59d158395664dab Petr Machata 2021-11-25 5105 if (nla_put_u8(skb, IFLA_OFFLOAD_XSTATS_HW_S_INFO_ENABLED, enabled))
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5106 goto nla_put_failure;
d35d00a6d28ff7a Petr Machata 2021-11-12 5107
59d158395664dab Petr Machata 2021-11-25 5108 if (enabled &&
59d158395664dab Petr Machata 2021-11-25 5109 nla_put_u32(skb, IFLA_OFFLOAD_XSTATS_HW_S_INFO_IN_HW_COUNT,
59d158395664dab Petr Machata 2021-11-25 5110 in_hw_count))
d35d00a6d28ff7a Petr Machata 2021-11-12 5111 goto nla_put_failure;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5112
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5113 nla_nest_end(skb, nest);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5114 return 0;
a8a72b09197b260 Petr Machata 2021-10-22 5115
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5116 nla_put_failure:
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5117 nla_nest_cancel(skb, nest);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5118 return -EMSGSIZE;
a8a72b09197b260 Petr Machata 2021-10-22 5119 }
a8a72b09197b260 Petr Machata 2021-10-22 5120
59d158395664dab Petr Machata 2021-11-25 5121 static unsigned int
59d158395664dab Petr Machata 2021-11-25 5122 rtnl_offload_xstats_get_size_sw_stats(const struct rtnl_offload_xstats_info *info,
59d158395664dab Petr Machata 2021-11-25 5123 const struct net_device *dev)
59d158395664dab Petr Machata 2021-11-25 5124 {
59d158395664dab Petr Machata 2021-11-25 5125 return sizeof(struct rtnl_link_stats64);
59d158395664dab Petr Machata 2021-11-25 5126 }
59d158395664dab Petr Machata 2021-11-25 5127
59d158395664dab Petr Machata 2021-11-25 5128 static int
59d158395664dab Petr Machata 2021-11-25 5129 rtnl_offload_xstats_fill_sw_stats(struct net_device *dev, struct sk_buff *skb,
59d158395664dab Petr Machata 2021-11-25 5130 struct netlink_ext_ack *extack)
a8a72b09197b260 Petr Machata 2021-10-22 5131 {
59d158395664dab Petr Machata 2021-11-25 5132 // xxx
59d158395664dab Petr Machata 2021-11-25 5133 }
59d158395664dab Petr Machata 2021-11-25 5134
59d158395664dab Petr Machata 2021-11-25 5135 static int rtnl_get_offload_stats_size(const struct net_device *dev,
59d158395664dab Petr Machata 2021-11-25 5136 u32 off_filter_mask)
a8a72b09197b260 Petr Machata 2021-10-22 5137 {
59d158395664dab Petr Machata 2021-11-25 5138 int attr_id_cpu_hit = IFLA_OFFLOAD_XSTATS_CPU_HIT;
59d158395664dab Petr Machata 2021-11-25 5139 int nla_size = 0;
59d158395664dab Petr Machata 2021-11-25 5140 int size;
59d158395664dab Petr Machata 2021-11-25 5141
59d158395664dab Petr Machata 2021-11-25 5142 if (off_filter_mask &
59d158395664dab Petr Machata 2021-11-25 5143 IFLA_STATS_FILTER_BIT(attr_id_cpu_hit)) {
59d158395664dab Petr Machata 2021-11-25 5144 size = rtnl_offload_xstats_get_size_ndo(dev, attr_id_cpu_hit);
59d158395664dab Petr Machata 2021-11-25 5145 nla_size += nla_total_size_64bit(size);
59d158395664dab Petr Machata 2021-11-25 5146 }
59d158395664dab Petr Machata 2021-11-25 5147
59d158395664dab Petr Machata 2021-11-25 5148 if (off_filter_mask &
59d158395664dab Petr Machata 2021-11-25 5149 IFLA_STATS_FILTER_BIT(IFLA_OFFLOAD_XSTATS_HW_STATS)) {
59d158395664dab Petr Machata 2021-11-25 5150 size = rtnl_offload_xstats_get_size_hw_stats(dev);
59d158395664dab Petr Machata 2021-11-25 5151 nla_size += nla_total_size_64bit(size);
59d158395664dab Petr Machata 2021-11-25 5152 }
59d158395664dab Petr Machata 2021-11-25 5153
59d158395664dab Petr Machata 2021-11-25 5154 if (off_filter_mask &
59d158395664dab Petr Machata 2021-11-25 5155 IFLA_STATS_FILTER_BIT(IFLA_OFFLOAD_XSTATS_HW_S_INFO)) {
59d158395664dab Petr Machata 2021-11-25 @5156 size = rtnl_offload_xstats_get_size_hw_s_info(dev);
59d158395664dab Petr Machata 2021-11-25 5157 nla_size += nla_total_size(size);
59d158395664dab Petr Machata 2021-11-25 5158 }
59d158395664dab Petr Machata 2021-11-25 5159
59d158395664dab Petr Machata 2021-11-25 5160 if (off_filter_mask &
59d158395664dab Petr Machata 2021-11-25 5161 IFLA_STATS_FILTER_BIT(IFLA_OFFLOAD_XSTATS_SW_STATS)) {
59d158395664dab Petr Machata 2021-11-25 @5162 size = rtnl_offload_xstats_get_size_sw_stats(dev);
59d158395664dab Petr Machata 2021-11-25 5163 nla_size += nla_total_size_64bit(size);
59d158395664dab Petr Machata 2021-11-25 5164 }
59d158395664dab Petr Machata 2021-11-25 5165
59d158395664dab Petr Machata 2021-11-25 5166 if (nla_size != 0)
59d158395664dab Petr Machata 2021-11-25 5167 nla_size += nla_total_size(0);
59d158395664dab Petr Machata 2021-11-25 5168
59d158395664dab Petr Machata 2021-11-25 5169 return nla_size;
59d158395664dab Petr Machata 2021-11-25 5170 }
a8a72b09197b260 Petr Machata 2021-10-22 5171
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5172 static int rtnl_fill_offload_stats(struct sk_buff *skb, struct net_device *dev,
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5173 int *prividx, u32 off_filter_mask,
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5174 struct netlink_ext_ack *extack)
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5175 {
59d158395664dab Petr Machata 2021-11-25 5176 bool hw_stats_enabled = netdev_offload_xstats_enabled(dev);
59d158395664dab Petr Machata 2021-11-25 5177 int attr_id_hw_s_info = IFLA_OFFLOAD_XSTATS_HW_S_INFO;
59d158395664dab Petr Machata 2021-11-25 5178 int attr_id_hw_stats = IFLA_OFFLOAD_XSTATS_HW_STATS;
59d158395664dab Petr Machata 2021-11-25 5179 int attr_id_sw_stats = IFLA_OFFLOAD_XSTATS_SW_STATS;
59d158395664dab Petr Machata 2021-11-25 5180 int attr_id_cpu_hit = IFLA_OFFLOAD_XSTATS_CPU_HIT;
59d158395664dab Petr Machata 2021-11-25 5181 struct rtnl_link_stats64 *hw_stats = NULL;
59d158395664dab Petr Machata 2021-11-25 5182 u32 in_hw_count = 0;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5183 int err = -ENODATA;
a8a72b09197b260 Petr Machata 2021-10-22 5184 int i;
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5185
59d158395664dab Petr Machata 2021-11-25 5186 if ((off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_cpu_hit)) &&
59d158395664dab Petr Machata 2021-11-25 5187 *prividx < attr_id_cpu_hit) {
59d158395664dab Petr Machata 2021-11-25 5188 err = rtnl_offload_xstats_fill_ndo(dev, attr_id_cpu_hit, skb,
59d158395664dab Petr Machata 2021-11-25 5189 extack);
59d158395664dab Petr Machata 2021-11-25 5190 if (err) {
59d158395664dab Petr Machata 2021-11-25 5191 *prividx = attr_id_cpu_hit;
59d158395664dab Petr Machata 2021-11-25 5192 return err;
59d158395664dab Petr Machata 2021-11-25 5193 }
59d158395664dab Petr Machata 2021-11-25 5194 }
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5195
59d158395664dab Petr Machata 2021-11-25 5196 /* Reserve space for IFLA_OFFLOAD_XSTATS_HW_STATS. This allocates the
59d158395664dab Petr Machata 2021-11-25 5197 * attribute, but leaves the payload empty.
59d158395664dab Petr Machata 2021-11-25 5198 *
59d158395664dab Petr Machata 2021-11-25 5199 * xxx can this lead to issues in dumping when hw_stats_get() fails below?
59d158395664dab Petr Machata 2021-11-25 5200 */
59d158395664dab Petr Machata 2021-11-25 5201 if (hw_stats_enabled &&
59d158395664dab Petr Machata 2021-11-25 5202 (off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_hw_stats)) &&
59d158395664dab Petr Machata 2021-11-25 5203 *prividx < attr_id_hw_stats) {
59d158395664dab Petr Machata 2021-11-25 5204 struct nlattr *attr;
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5205
59d158395664dab Petr Machata 2021-11-25 @5206 attr = nla_reserve_64bit(skb, attr_id_hw_stats, size,
59d158395664dab Petr Machata 2021-11-25 5207 IFLA_OFFLOAD_XSTATS_UNSPEC);
59d158395664dab Petr Machata 2021-11-25 5208 if (!attr) {
59d158395664dab Petr Machata 2021-11-25 5209 *prividx = attr_id_hw_stats;
59d158395664dab Petr Machata 2021-11-25 5210 return -EMSGSIZE;
59d158395664dab Petr Machata 2021-11-25 5211 }
59d158395664dab Petr Machata 2021-11-25 5212
59d158395664dab Petr Machata 2021-11-25 5213 hw_stats = nla_data(attr);
59d158395664dab Petr Machata 2021-11-25 5214 }
59d158395664dab Petr Machata 2021-11-25 5215
59d158395664dab Petr Machata 2021-11-25 5216 /* Fetch the data for IFLA_OFFLOAD_XSTATS_HW_STATS and _HW_S_INFO,
59d158395664dab Petr Machata 2021-11-25 5217 * filling the payload allocated above in the process. Note that
59d158395664dab Petr Machata 2021-11-25 5218 * _HW_S_INFO needs to be emitted even if HW stats are disabled, so this
59d158395664dab Petr Machata 2021-11-25 5219 * is always called to get in_hw_count.
59d158395664dab Petr Machata 2021-11-25 5220 */
59d158395664dab Petr Machata 2021-11-25 5221 if (((off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_hw_stats)) ||
59d158395664dab Petr Machata 2021-11-25 5222 (off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_hw_s_info))) &&
59d158395664dab Petr Machata 2021-11-25 5223 *prividx < attr_id_hw_s_info) {
59d158395664dab Petr Machata 2021-11-25 5224 err = netdev_offload_xstats_hw_stats_get(dev, hw_stats,
59d158395664dab Petr Machata 2021-11-25 5225 &in_hw_count, extack);
59d158395664dab Petr Machata 2021-11-25 5226 if (err) {
59d158395664dab Petr Machata 2021-11-25 5227 *prividx = attr_id_hw_stats;
59d158395664dab Petr Machata 2021-11-25 5228 return err;
59d158395664dab Petr Machata 2021-11-25 5229 }
59d158395664dab Petr Machata 2021-11-25 5230 }
59d158395664dab Petr Machata 2021-11-25 5231
59d158395664dab Petr Machata 2021-11-25 5232 if (off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_hw_s_info) &&
59d158395664dab Petr Machata 2021-11-25 5233 *prividx < attr_id_hw_s_info) {
59d158395664dab Petr Machata 2021-11-25 5234 err = rtnl_offload_xstats_fill_hw_s_info(dev, skb, in_hw_count);
59d158395664dab Petr Machata 2021-11-25 5235 if (err) {
59d158395664dab Petr Machata 2021-11-25 5236 *prividx = attr_id_hw_s_info;
59d158395664dab Petr Machata 2021-11-25 5237 return err;
59d158395664dab Petr Machata 2021-11-25 5238 }
59d158395664dab Petr Machata 2021-11-25 5239 }
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5240
59d158395664dab Petr Machata 2021-11-25 5241 if (hw_stats_enabled &&
59d158395664dab Petr Machata 2021-11-25 5242 (off_filter_mask & IFLA_STATS_FILTER_BIT(attr_id_hw_stats)) &&
59d158395664dab Petr Machata 2021-11-25 5243 *prividx < attr_id_sw_stats) {
59d158395664dab Petr Machata 2021-11-25 5244 err = rtnl_offload_xstats_fill_sw_stats(dev, skb, extack);
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5245 if (err) {
59d158395664dab Petr Machata 2021-11-25 5246 *prividx = attr_id_sw_stats;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5247 return err;
7f3ca7ed5c4b775 Petr Machata 2021-11-03 5248 }
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5249 }
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5250
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5251 *prividx = 0;
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5252 return err;
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5253 }
69ae6ad2ff37911 Nogah Frankel 2016-09-16 5254
:::::: The code at line 5033 was first introduced by commit
:::::: 7f3ca7ed5c4b775fb9261fd6dfeccf77ad124147 wip
:::::: TO: Petr Machata <petrm@...dia.com>
:::::: CC: Petr Machata <petrm@...dia.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
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