* [PATCH v5 0/3] use standard sysctl macro
@ 2022-05-01 3:55 xiangxia.m.yue
2022-05-01 3:55 ` [PATCH v5 1/3] net: sysctl: use shared " xiangxia.m.yue
` (3 more replies)
0 siblings, 4 replies; 6+ messages in thread
From: xiangxia.m.yue @ 2022-05-01 3:55 UTC (permalink / raw)
To: linux-fsdevel, netdev
Cc: Tonghao Zhang, Luis Chamberlain, Kees Cook, Iurii Zaikin,
David S. Miller, Jakub Kicinski, Paolo Abeni, Hideaki YOSHIFUJI,
David Ahern, Simon Horman, Julian Anastasov, Pablo Neira Ayuso,
Jozsef Kadlecsik, Florian Westphal, Shuah Khan, Andrew Morton,
Alexei Starovoitov, Eric Dumazet, Lorenz Bauer, Akhmat Karakotov
From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
This patchset introduce sysctl macro or replace var
with macro.
Tonghao Zhang (3):
net: sysctl: use shared sysctl macro
net: sysctl: introduce sysctl SYSCTL_THREE
selftests/sysctl: add sysctl macro test
fs/proc/proc_sysctl.c | 2 +-
include/linux/sysctl.h | 9 ++++---
lib/test_sysctl.c | 32 ++++++++++++++++++++++++
net/core/sysctl_net_core.c | 13 ++++------
net/ipv4/sysctl_net_ipv4.c | 16 +++++-------
net/ipv6/sysctl_net_ipv6.c | 6 ++---
net/netfilter/ipvs/ip_vs_ctl.c | 4 +--
tools/testing/selftests/sysctl/sysctl.sh | 23 +++++++++++++++++
8 files changed, 75 insertions(+), 30 deletions(-)
--
v5: refactor test codes.
v4: add selftests/sysctl patch
v3: split patch to two.
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: David Ahern <dsahern@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Julian Anastasov <ja@ssi.bg>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Lorenz Bauer <lmb@cloudflare.com>
Cc: Akhmat Karakotov <hmukos@yandex-team.ru>
--
2.27.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v5 1/3] net: sysctl: use shared sysctl macro
2022-05-01 3:55 [PATCH v5 0/3] use standard sysctl macro xiangxia.m.yue
@ 2022-05-01 3:55 ` xiangxia.m.yue
2022-05-01 3:55 ` [PATCH v5 2/3] net: sysctl: introduce sysctl SYSCTL_THREE xiangxia.m.yue
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: xiangxia.m.yue @ 2022-05-01 3:55 UTC (permalink / raw)
To: linux-fsdevel, netdev
Cc: Tonghao Zhang, Luis Chamberlain, Kees Cook, Iurii Zaikin,
David S. Miller, Jakub Kicinski, Paolo Abeni, Hideaki YOSHIFUJI,
David Ahern, Simon Horman, Julian Anastasov, Pablo Neira Ayuso,
Jozsef Kadlecsik, Florian Westphal, Shuah Khan, Andrew Morton,
Alexei Starovoitov, Eric Dumazet, Lorenz Bauer, Akhmat Karakotov
From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
This patch replace two, four and long_one to SYSCTL_XXX.
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: David Ahern <dsahern@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Julian Anastasov <ja@ssi.bg>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Lorenz Bauer <lmb@cloudflare.com>
Cc: Akhmat Karakotov <hmukos@yandex-team.ru>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
---
net/core/sysctl_net_core.c | 10 ++++------
net/ipv4/sysctl_net_ipv4.c | 13 +++++--------
net/ipv6/sysctl_net_ipv6.c | 3 +--
3 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 8295e5877eb3..3a0ce309ffcd 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -25,13 +25,11 @@
#include "dev.h"
-static int two = 2;
static int three = 3;
static int int_3600 = 3600;
static int min_sndbuf = SOCK_MIN_SNDBUF;
static int min_rcvbuf = SOCK_MIN_RCVBUF;
static int max_skb_frags = MAX_SKB_FRAGS;
-static long long_one __maybe_unused = 1;
static long long_max __maybe_unused = LONG_MAX;
static int net_msg_warn; /* Unused, but still a sysctl */
@@ -390,7 +388,7 @@ static struct ctl_table net_core_table[] = {
.extra2 = SYSCTL_ONE,
# else
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = SYSCTL_TWO,
# endif
},
# ifdef CONFIG_HAVE_EBPF_JIT
@@ -401,7 +399,7 @@ static struct ctl_table net_core_table[] = {
.mode = 0600,
.proc_handler = proc_dointvec_minmax_bpf_restricted,
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = SYSCTL_TWO,
},
{
.procname = "bpf_jit_kallsyms",
@@ -419,7 +417,7 @@ static struct ctl_table net_core_table[] = {
.maxlen = sizeof(long),
.mode = 0600,
.proc_handler = proc_dolongvec_minmax_bpf_restricted,
- .extra1 = &long_one,
+ .extra1 = SYSCTL_LONG_ONE,
.extra2 = &bpf_jit_limit_max,
},
#endif
@@ -546,7 +544,7 @@ static struct ctl_table net_core_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = SYSCTL_TWO,
},
{
.procname = "devconf_inherit_init_net",
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index ad80d180b60b..9ff60a389cd0 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -20,10 +20,7 @@
#include <net/protocol.h>
#include <net/netevent.h>
-static int two = 2;
static int three __maybe_unused = 3;
-static int four = 4;
-static int thousand = 1000;
static int tcp_retr1_max = 255;
static int ip_local_port_range_min[] = { 1, 1 };
static int ip_local_port_range_max[] = { 65535, 65535 };
@@ -1006,7 +1003,7 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = SYSCTL_TWO,
},
{
.procname = "tcp_max_syn_backlog",
@@ -1117,7 +1114,7 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &four,
+ .extra2 = SYSCTL_FOUR,
},
{
.procname = "tcp_recovery",
@@ -1310,7 +1307,7 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &thousand,
+ .extra2 = SYSCTL_ONE_THOUSAND,
},
{
.procname = "tcp_pacing_ca_ratio",
@@ -1319,7 +1316,7 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &thousand,
+ .extra2 = SYSCTL_ONE_THOUSAND,
},
{
.procname = "tcp_wmem",
@@ -1391,7 +1388,7 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = SYSCTL_TWO,
},
{ }
};
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index d53dd142bf87..560c48d0ddb7 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -23,7 +23,6 @@
#endif
#include <linux/ioam6.h>
-static int two = 2;
static int three = 3;
static int flowlabel_reflect_max = 0x7;
static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
@@ -197,7 +196,7 @@ static struct ctl_table ipv6_table_template[] = {
.mode = 0644,
.proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = SYSCTL_TWO,
},
{
.procname = "ioam6_id",
--
2.27.0
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v5 2/3] net: sysctl: introduce sysctl SYSCTL_THREE
2022-05-01 3:55 [PATCH v5 0/3] use standard sysctl macro xiangxia.m.yue
2022-05-01 3:55 ` [PATCH v5 1/3] net: sysctl: use shared " xiangxia.m.yue
@ 2022-05-01 3:55 ` xiangxia.m.yue
2022-05-02 3:30 ` Tonghao Zhang
2022-05-01 3:55 ` [PATCH v5 3/3] selftests/sysctl: add sysctl macro test xiangxia.m.yue
2022-05-03 8:40 ` [PATCH v5 0/3] use standard sysctl macro patchwork-bot+netdevbpf
3 siblings, 1 reply; 6+ messages in thread
From: xiangxia.m.yue @ 2022-05-01 3:55 UTC (permalink / raw)
To: linux-fsdevel, netdev
Cc: Tonghao Zhang, Luis Chamberlain, Kees Cook, Iurii Zaikin,
David S. Miller, Jakub Kicinski, Paolo Abeni, Hideaki YOSHIFUJI,
David Ahern, Simon Horman, Julian Anastasov, Pablo Neira Ayuso,
Jozsef Kadlecsik, Florian Westphal, Shuah Khan, Andrew Morton,
Alexei Starovoitov, Eric Dumazet, Lorenz Bauer, Akhmat Karakotov
From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
This patch introdues the SYSCTL_THREE.
KUnit:
[00:10:14] ================ sysctl_test (10 subtests) =================
[00:10:14] [PASSED] sysctl_test_api_dointvec_null_tbl_data
[00:10:14] [PASSED] sysctl_test_api_dointvec_table_maxlen_unset
[00:10:14] [PASSED] sysctl_test_api_dointvec_table_len_is_zero
[00:10:14] [PASSED] sysctl_test_api_dointvec_table_read_but_position_set
[00:10:14] [PASSED] sysctl_test_dointvec_read_happy_single_positive
[00:10:14] [PASSED] sysctl_test_dointvec_read_happy_single_negative
[00:10:14] [PASSED] sysctl_test_dointvec_write_happy_single_positive
[00:10:14] [PASSED] sysctl_test_dointvec_write_happy_single_negative
[00:10:14] [PASSED] sysctl_test_api_dointvec_write_single_less_int_min
[00:10:14] [PASSED] sysctl_test_api_dointvec_write_single_greater_int_max
[00:10:14] =================== [PASSED] sysctl_test ===================
./run_kselftest.sh -c sysctl
...
ok 1 selftests: sysctl: sysctl.sh
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: David Ahern <dsahern@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Julian Anastasov <ja@ssi.bg>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Lorenz Bauer <lmb@cloudflare.com>
Cc: Akhmat Karakotov <hmukos@yandex-team.ru>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
---
fs/proc/proc_sysctl.c | 2 +-
include/linux/sysctl.h | 9 +++++----
net/core/sysctl_net_core.c | 3 +--
net/ipv4/sysctl_net_ipv4.c | 3 +--
net/ipv6/sysctl_net_ipv6.c | 3 +--
net/netfilter/ipvs/ip_vs_ctl.c | 4 +---
6 files changed, 10 insertions(+), 14 deletions(-)
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 7d9cfc730bd4..5851c2a92c0d 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -26,7 +26,7 @@ static const struct file_operations proc_sys_dir_file_operations;
static const struct inode_operations proc_sys_dir_operations;
/* shared constants to be used in various sysctls */
-const int sysctl_vals[] = { -1, 0, 1, 2, 4, 100, 200, 1000, 3000, INT_MAX, 65535 };
+const int sysctl_vals[] = { 0, 1, 2, 3, 4, 100, 200, 1000, 3000, INT_MAX, 65535, -1 };
EXPORT_SYMBOL(sysctl_vals);
const unsigned long sysctl_long_vals[] = { 0, 1, LONG_MAX };
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 6353d6db69b2..80263f7cdb77 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -38,10 +38,10 @@ struct ctl_table_header;
struct ctl_dir;
/* Keep the same order as in fs/proc/proc_sysctl.c */
-#define SYSCTL_NEG_ONE ((void *)&sysctl_vals[0])
-#define SYSCTL_ZERO ((void *)&sysctl_vals[1])
-#define SYSCTL_ONE ((void *)&sysctl_vals[2])
-#define SYSCTL_TWO ((void *)&sysctl_vals[3])
+#define SYSCTL_ZERO ((void *)&sysctl_vals[0])
+#define SYSCTL_ONE ((void *)&sysctl_vals[1])
+#define SYSCTL_TWO ((void *)&sysctl_vals[2])
+#define SYSCTL_THREE ((void *)&sysctl_vals[3])
#define SYSCTL_FOUR ((void *)&sysctl_vals[4])
#define SYSCTL_ONE_HUNDRED ((void *)&sysctl_vals[5])
#define SYSCTL_TWO_HUNDRED ((void *)&sysctl_vals[6])
@@ -51,6 +51,7 @@ struct ctl_dir;
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
#define SYSCTL_MAXOLDUID ((void *)&sysctl_vals[10])
+#define SYSCTL_NEG_ONE ((void *)&sysctl_vals[11])
extern const int sysctl_vals[];
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 3a0ce309ffcd..195ca5c28771 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -25,7 +25,6 @@
#include "dev.h"
-static int three = 3;
static int int_3600 = 3600;
static int min_sndbuf = SOCK_MIN_SNDBUF;
static int min_rcvbuf = SOCK_MIN_RCVBUF;
@@ -553,7 +552,7 @@ static struct ctl_table net_core_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &three,
+ .extra2 = SYSCTL_THREE,
},
{
.procname = "high_order_alloc_disable",
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 9ff60a389cd0..cd448cdd3b38 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -20,7 +20,6 @@
#include <net/protocol.h>
#include <net/netevent.h>
-static int three __maybe_unused = 3;
static int tcp_retr1_max = 255;
static int ip_local_port_range_min[] = { 1, 1 };
static int ip_local_port_range_max[] = { 65535, 65535 };
@@ -1056,7 +1055,7 @@ static struct ctl_table ipv4_net_table[] = {
.mode = 0644,
.proc_handler = proc_fib_multipath_hash_policy,
.extra1 = SYSCTL_ZERO,
- .extra2 = &three,
+ .extra2 = SYSCTL_THREE,
},
{
.procname = "fib_multipath_hash_fields",
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 560c48d0ddb7..94a0a294c6a1 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -23,7 +23,6 @@
#endif
#include <linux/ioam6.h>
-static int three = 3;
static int flowlabel_reflect_max = 0x7;
static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
static u32 rt6_multipath_hash_fields_all_mask =
@@ -171,7 +170,7 @@ static struct ctl_table ipv6_table_template[] = {
.mode = 0644,
.proc_handler = proc_rt6_multipath_hash_policy,
.extra1 = SYSCTL_ZERO,
- .extra2 = &three,
+ .extra2 = SYSCTL_THREE,
},
{
.procname = "fib_multipath_hash_fields",
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 7f645328b47f..efab2b06d373 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1767,8 +1767,6 @@ static int ip_vs_zero_all(struct netns_ipvs *ipvs)
#ifdef CONFIG_SYSCTL
-static int three = 3;
-
static int
proc_do_defense_mode(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
@@ -1977,7 +1975,7 @@ static struct ctl_table vs_vars[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &three,
+ .extra2 = SYSCTL_THREE,
},
{
.procname = "nat_icmp_send",
--
2.27.0
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v5 3/3] selftests/sysctl: add sysctl macro test
2022-05-01 3:55 [PATCH v5 0/3] use standard sysctl macro xiangxia.m.yue
2022-05-01 3:55 ` [PATCH v5 1/3] net: sysctl: use shared " xiangxia.m.yue
2022-05-01 3:55 ` [PATCH v5 2/3] net: sysctl: introduce sysctl SYSCTL_THREE xiangxia.m.yue
@ 2022-05-01 3:55 ` xiangxia.m.yue
2022-05-03 8:40 ` [PATCH v5 0/3] use standard sysctl macro patchwork-bot+netdevbpf
3 siblings, 0 replies; 6+ messages in thread
From: xiangxia.m.yue @ 2022-05-01 3:55 UTC (permalink / raw)
To: linux-fsdevel, netdev
Cc: Tonghao Zhang, Luis Chamberlain, Kees Cook, Iurii Zaikin,
David S. Miller, Jakub Kicinski, Paolo Abeni, Hideaki YOSHIFUJI,
David Ahern, Simon Horman, Julian Anastasov, Pablo Neira Ayuso,
Jozsef Kadlecsik, Florian Westphal, Shuah Khan, Andrew Morton,
Alexei Starovoitov, Eric Dumazet, Lorenz Bauer, Akhmat Karakotov
From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: David Ahern <dsahern@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Julian Anastasov <ja@ssi.bg>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Lorenz Bauer <lmb@cloudflare.com>
Cc: Akhmat Karakotov <hmukos@yandex-team.ru>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
---
lib/test_sysctl.c | 32 ++++++++++++++++++++++++
tools/testing/selftests/sysctl/sysctl.sh | 23 +++++++++++++++++
2 files changed, 55 insertions(+)
diff --git a/lib/test_sysctl.c b/lib/test_sysctl.c
index a5a3d6c27e1f..9a564971f539 100644
--- a/lib/test_sysctl.c
+++ b/lib/test_sysctl.c
@@ -38,6 +38,7 @@
static int i_zero;
static int i_one_hundred = 100;
+static int match_int_ok = 1;
struct test_sysctl_data {
int int_0001;
@@ -95,6 +96,13 @@ static struct ctl_table test_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+ {
+ .procname = "match_int",
+ .data = &match_int_ok,
+ .maxlen = sizeof(match_int_ok),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
{
.procname = "boot_int",
.data = &test_data.boot_int,
@@ -132,6 +140,30 @@ static struct ctl_table_header *test_sysctl_header;
static int __init test_sysctl_init(void)
{
+ int i;
+
+ struct {
+ int defined;
+ int wanted;
+ } match_int[] = {
+ {.defined = *(int *)SYSCTL_ZERO, .wanted = 0},
+ {.defined = *(int *)SYSCTL_ONE, .wanted = 1},
+ {.defined = *(int *)SYSCTL_TWO, .wanted = 2},
+ {.defined = *(int *)SYSCTL_THREE, .wanted = 3},
+ {.defined = *(int *)SYSCTL_FOUR, .wanted = 4},
+ {.defined = *(int *)SYSCTL_ONE_HUNDRED, .wanted = 100},
+ {.defined = *(int *)SYSCTL_TWO_HUNDRED, .wanted = 200},
+ {.defined = *(int *)SYSCTL_ONE_THOUSAND, .wanted = 1000},
+ {.defined = *(int *)SYSCTL_THREE_THOUSAND, .wanted = 3000},
+ {.defined = *(int *)SYSCTL_INT_MAX, .wanted = INT_MAX},
+ {.defined = *(int *)SYSCTL_MAXOLDUID, .wanted = 65535},
+ {.defined = *(int *)SYSCTL_NEG_ONE, .wanted = -1},
+ };
+
+ for (i = 0; i < ARRAY_SIZE(match_int); i++)
+ if (match_int[i].defined != match_int[i].wanted)
+ match_int_ok = 0;
+
test_data.bitmap_0001 = kzalloc(SYSCTL_TEST_BITMAP_SIZE/8, GFP_KERNEL);
if (!test_data.bitmap_0001)
return -ENOMEM;
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
index 19515dcb7d04..f50778a3d744 100755
--- a/tools/testing/selftests/sysctl/sysctl.sh
+++ b/tools/testing/selftests/sysctl/sysctl.sh
@@ -40,6 +40,7 @@ ALL_TESTS="$ALL_TESTS 0004:1:1:uint_0001"
ALL_TESTS="$ALL_TESTS 0005:3:1:int_0003"
ALL_TESTS="$ALL_TESTS 0006:50:1:bitmap_0001"
ALL_TESTS="$ALL_TESTS 0007:1:1:boot_int"
+ALL_TESTS="$ALL_TESTS 0008:1:1:match_int"
function allow_user_defaults()
{
@@ -785,6 +786,27 @@ sysctl_test_0007()
return $ksft_skip
}
+sysctl_test_0008()
+{
+ TARGET="${SYSCTL}/match_int"
+ if [ ! -f $TARGET ]; then
+ echo "Skipping test for $TARGET as it is not present ..."
+ return $ksft_skip
+ fi
+
+ echo -n "Testing if $TARGET is matched in kernel"
+ ORIG_VALUE=$(cat "${TARGET}")
+
+ if [ $ORIG_VALUE -ne 1 ]; then
+ echo "TEST FAILED"
+ rc=1
+ test_rc
+ fi
+
+ echo "ok"
+ return 0
+}
+
list_tests()
{
echo "Test ID list:"
@@ -800,6 +822,7 @@ list_tests()
echo "0005 x $(get_test_count 0005) - tests proc_douintvec() array"
echo "0006 x $(get_test_count 0006) - tests proc_do_large_bitmap()"
echo "0007 x $(get_test_count 0007) - tests setting sysctl from kernel boot param"
+ echo "0008 x $(get_test_count 0008) - tests sysctl macro values match"
}
usage()
--
2.27.0
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH v5 2/3] net: sysctl: introduce sysctl SYSCTL_THREE
2022-05-01 3:55 ` [PATCH v5 2/3] net: sysctl: introduce sysctl SYSCTL_THREE xiangxia.m.yue
@ 2022-05-02 3:30 ` Tonghao Zhang
0 siblings, 0 replies; 6+ messages in thread
From: Tonghao Zhang @ 2022-05-02 3:30 UTC (permalink / raw)
To: linux-fsdevel, Linux Kernel Network Developers
Cc: Luis Chamberlain, Kees Cook, Iurii Zaikin, David S. Miller,
Jakub Kicinski, Paolo Abeni, Hideaki YOSHIFUJI, David Ahern,
Simon Horman, Julian Anastasov, Pablo Neira Ayuso,
Jozsef Kadlecsik, Florian Westphal, Shuah Khan, Andrew Morton,
Alexei Starovoitov, Eric Dumazet, Lorenz Bauer, Akhmat Karakotov
On Sun, May 1, 2022 at 11:56 AM <xiangxia.m.yue@gmail.com> wrote:
>
> From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
>
> This patch introdues the SYSCTL_THREE.
>
> KUnit:
> [00:10:14] ================ sysctl_test (10 subtests) =================
> [00:10:14] [PASSED] sysctl_test_api_dointvec_null_tbl_data
> [00:10:14] [PASSED] sysctl_test_api_dointvec_table_maxlen_unset
> [00:10:14] [PASSED] sysctl_test_api_dointvec_table_len_is_zero
> [00:10:14] [PASSED] sysctl_test_api_dointvec_table_read_but_position_set
> [00:10:14] [PASSED] sysctl_test_dointvec_read_happy_single_positive
> [00:10:14] [PASSED] sysctl_test_dointvec_read_happy_single_negative
> [00:10:14] [PASSED] sysctl_test_dointvec_write_happy_single_positive
> [00:10:14] [PASSED] sysctl_test_dointvec_write_happy_single_negative
> [00:10:14] [PASSED] sysctl_test_api_dointvec_write_single_less_int_min
> [00:10:14] [PASSED] sysctl_test_api_dointvec_write_single_greater_int_max
> [00:10:14] =================== [PASSED] sysctl_test ===================
>
> ./run_kselftest.sh -c sysctl
> ...
> ok 1 selftests: sysctl: sysctl.sh
>
> Cc: Luis Chamberlain <mcgrof@kernel.org>
> Cc: Kees Cook <keescook@chromium.org>
> Cc: Iurii Zaikin <yzaikin@google.com>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
> Cc: David Ahern <dsahern@kernel.org>
> Cc: Simon Horman <horms@verge.net.au>
> Cc: Julian Anastasov <ja@ssi.bg>
> Cc: Pablo Neira Ayuso <pablo@netfilter.org>
> Cc: Jozsef Kadlecsik <kadlec@netfilter.org>
> Cc: Florian Westphal <fw@strlen.de>
> Cc: Shuah Khan <shuah@kernel.org>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Alexei Starovoitov <ast@kernel.org>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Lorenz Bauer <lmb@cloudflare.com>
> Cc: Akhmat Karakotov <hmukos@yandex-team.ru>
> Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
v4 version, Simon added this tag. I miss this tag in v5.
> ---
> fs/proc/proc_sysctl.c | 2 +-
> include/linux/sysctl.h | 9 +++++----
> net/core/sysctl_net_core.c | 3 +--
> net/ipv4/sysctl_net_ipv4.c | 3 +--
> net/ipv6/sysctl_net_ipv6.c | 3 +--
> net/netfilter/ipvs/ip_vs_ctl.c | 4 +---
> 6 files changed, 10 insertions(+), 14 deletions(-)
>
> diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
> index 7d9cfc730bd4..5851c2a92c0d 100644
> --- a/fs/proc/proc_sysctl.c
> +++ b/fs/proc/proc_sysctl.c
> @@ -26,7 +26,7 @@ static const struct file_operations proc_sys_dir_file_operations;
> static const struct inode_operations proc_sys_dir_operations;
>
> /* shared constants to be used in various sysctls */
> -const int sysctl_vals[] = { -1, 0, 1, 2, 4, 100, 200, 1000, 3000, INT_MAX, 65535 };
> +const int sysctl_vals[] = { 0, 1, 2, 3, 4, 100, 200, 1000, 3000, INT_MAX, 65535, -1 };
> EXPORT_SYMBOL(sysctl_vals);
>
> const unsigned long sysctl_long_vals[] = { 0, 1, LONG_MAX };
> diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
> index 6353d6db69b2..80263f7cdb77 100644
> --- a/include/linux/sysctl.h
> +++ b/include/linux/sysctl.h
> @@ -38,10 +38,10 @@ struct ctl_table_header;
> struct ctl_dir;
>
> /* Keep the same order as in fs/proc/proc_sysctl.c */
> -#define SYSCTL_NEG_ONE ((void *)&sysctl_vals[0])
> -#define SYSCTL_ZERO ((void *)&sysctl_vals[1])
> -#define SYSCTL_ONE ((void *)&sysctl_vals[2])
> -#define SYSCTL_TWO ((void *)&sysctl_vals[3])
> +#define SYSCTL_ZERO ((void *)&sysctl_vals[0])
> +#define SYSCTL_ONE ((void *)&sysctl_vals[1])
> +#define SYSCTL_TWO ((void *)&sysctl_vals[2])
> +#define SYSCTL_THREE ((void *)&sysctl_vals[3])
> #define SYSCTL_FOUR ((void *)&sysctl_vals[4])
> #define SYSCTL_ONE_HUNDRED ((void *)&sysctl_vals[5])
> #define SYSCTL_TWO_HUNDRED ((void *)&sysctl_vals[6])
> @@ -51,6 +51,7 @@ struct ctl_dir;
>
> /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
> #define SYSCTL_MAXOLDUID ((void *)&sysctl_vals[10])
> +#define SYSCTL_NEG_ONE ((void *)&sysctl_vals[11])
>
> extern const int sysctl_vals[];
>
> diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
> index 3a0ce309ffcd..195ca5c28771 100644
> --- a/net/core/sysctl_net_core.c
> +++ b/net/core/sysctl_net_core.c
> @@ -25,7 +25,6 @@
>
> #include "dev.h"
>
> -static int three = 3;
> static int int_3600 = 3600;
> static int min_sndbuf = SOCK_MIN_SNDBUF;
> static int min_rcvbuf = SOCK_MIN_RCVBUF;
> @@ -553,7 +552,7 @@ static struct ctl_table net_core_table[] = {
> .mode = 0644,
> .proc_handler = proc_dointvec_minmax,
> .extra1 = SYSCTL_ZERO,
> - .extra2 = &three,
> + .extra2 = SYSCTL_THREE,
> },
> {
> .procname = "high_order_alloc_disable",
> diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
> index 9ff60a389cd0..cd448cdd3b38 100644
> --- a/net/ipv4/sysctl_net_ipv4.c
> +++ b/net/ipv4/sysctl_net_ipv4.c
> @@ -20,7 +20,6 @@
> #include <net/protocol.h>
> #include <net/netevent.h>
>
> -static int three __maybe_unused = 3;
> static int tcp_retr1_max = 255;
> static int ip_local_port_range_min[] = { 1, 1 };
> static int ip_local_port_range_max[] = { 65535, 65535 };
> @@ -1056,7 +1055,7 @@ static struct ctl_table ipv4_net_table[] = {
> .mode = 0644,
> .proc_handler = proc_fib_multipath_hash_policy,
> .extra1 = SYSCTL_ZERO,
> - .extra2 = &three,
> + .extra2 = SYSCTL_THREE,
> },
> {
> .procname = "fib_multipath_hash_fields",
> diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
> index 560c48d0ddb7..94a0a294c6a1 100644
> --- a/net/ipv6/sysctl_net_ipv6.c
> +++ b/net/ipv6/sysctl_net_ipv6.c
> @@ -23,7 +23,6 @@
> #endif
> #include <linux/ioam6.h>
>
> -static int three = 3;
> static int flowlabel_reflect_max = 0x7;
> static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
> static u32 rt6_multipath_hash_fields_all_mask =
> @@ -171,7 +170,7 @@ static struct ctl_table ipv6_table_template[] = {
> .mode = 0644,
> .proc_handler = proc_rt6_multipath_hash_policy,
> .extra1 = SYSCTL_ZERO,
> - .extra2 = &three,
> + .extra2 = SYSCTL_THREE,
> },
> {
> .procname = "fib_multipath_hash_fields",
> diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
> index 7f645328b47f..efab2b06d373 100644
> --- a/net/netfilter/ipvs/ip_vs_ctl.c
> +++ b/net/netfilter/ipvs/ip_vs_ctl.c
> @@ -1767,8 +1767,6 @@ static int ip_vs_zero_all(struct netns_ipvs *ipvs)
>
> #ifdef CONFIG_SYSCTL
>
> -static int three = 3;
> -
> static int
> proc_do_defense_mode(struct ctl_table *table, int write,
> void *buffer, size_t *lenp, loff_t *ppos)
> @@ -1977,7 +1975,7 @@ static struct ctl_table vs_vars[] = {
> .mode = 0644,
> .proc_handler = proc_dointvec_minmax,
> .extra1 = SYSCTL_ZERO,
> - .extra2 = &three,
> + .extra2 = SYSCTL_THREE,
> },
> {
> .procname = "nat_icmp_send",
> --
> 2.27.0
>
--
Best regards, Tonghao
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v5 0/3] use standard sysctl macro
2022-05-01 3:55 [PATCH v5 0/3] use standard sysctl macro xiangxia.m.yue
` (2 preceding siblings ...)
2022-05-01 3:55 ` [PATCH v5 3/3] selftests/sysctl: add sysctl macro test xiangxia.m.yue
@ 2022-05-03 8:40 ` patchwork-bot+netdevbpf
3 siblings, 0 replies; 6+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-05-03 8:40 UTC (permalink / raw)
To: Tonghao Zhang
Cc: linux-fsdevel, netdev, mcgrof, keescook, yzaikin, davem, kuba,
pabeni, yoshfuji, dsahern, horms, ja, pablo, kadlec, fw, shuah,
akpm, ast, edumazet, lmb, hmukos
Hello:
This series was applied to netdev/net-next.git (master)
by Paolo Abeni <pabeni@redhat.com>:
On Sun, 1 May 2022 11:55:21 +0800 you wrote:
> From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
>
> This patchset introduce sysctl macro or replace var
> with macro.
>
> Tonghao Zhang (3):
> net: sysctl: use shared sysctl macro
> net: sysctl: introduce sysctl SYSCTL_THREE
> selftests/sysctl: add sysctl macro test
>
> [...]
Here is the summary with links:
- [v5,1/3] net: sysctl: use shared sysctl macro
https://git.kernel.org/netdev/net-next/c/bd8a53675c0d
- [v5,2/3] net: sysctl: introduce sysctl SYSCTL_THREE
https://git.kernel.org/netdev/net-next/c/4c7f24f857c7
- [v5,3/3] selftests/sysctl: add sysctl macro test
https://git.kernel.org/netdev/net-next/c/57b19468b369
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-05-03 8:40 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-05-01 3:55 [PATCH v5 0/3] use standard sysctl macro xiangxia.m.yue
2022-05-01 3:55 ` [PATCH v5 1/3] net: sysctl: use shared " xiangxia.m.yue
2022-05-01 3:55 ` [PATCH v5 2/3] net: sysctl: introduce sysctl SYSCTL_THREE xiangxia.m.yue
2022-05-02 3:30 ` Tonghao Zhang
2022-05-01 3:55 ` [PATCH v5 3/3] selftests/sysctl: add sysctl macro test xiangxia.m.yue
2022-05-03 8:40 ` [PATCH v5 0/3] use standard sysctl macro patchwork-bot+netdevbpf
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