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tcp: convert tcp_comp_sack_nr sysctl to u8

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tcp_comp_sack_nr max value was already 255.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2021-03-31 10:52:11 -07:00
committed by David S. Miller
parent 7d4b37ebb9
commit 1c3289c931
2 changed files with 3 additions and 5 deletions
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2
include/net/netns/ipv4.h
View File

@@ -171,12 +171,12 @@ struct netns_ipv4 {
u8 sysctl_tcp_min_tso_segs; u8 sysctl_tcp_min_tso_segs;
u8 sysctl_tcp_autocorking; u8 sysctl_tcp_autocorking;
u8 sysctl_tcp_reflect_tos; u8 sysctl_tcp_reflect_tos;
u8 sysctl_tcp_comp_sack_nr;
int sysctl_tcp_invalid_ratelimit; int sysctl_tcp_invalid_ratelimit;
int sysctl_tcp_pacing_ss_ratio; int sysctl_tcp_pacing_ss_ratio;
int sysctl_tcp_pacing_ca_ratio; int sysctl_tcp_pacing_ca_ratio;
int sysctl_tcp_wmem[3]; int sysctl_tcp_wmem[3];
int sysctl_tcp_rmem[3]; int sysctl_tcp_rmem[3];
int sysctl_tcp_comp_sack_nr;
unsigned long sysctl_tcp_comp_sack_delay_ns; unsigned long sysctl_tcp_comp_sack_delay_ns;
unsigned long sysctl_tcp_comp_sack_slack_ns; unsigned long sysctl_tcp_comp_sack_slack_ns;
int sysctl_max_syn_backlog; int sysctl_max_syn_backlog;

6
net/ipv4/sysctl_net_ipv4.c
View File

@@ -46,7 +46,6 @@ static int tcp_syn_retries_min = 1;
static int tcp_syn_retries_max = MAX_TCP_SYNCNT; static int tcp_syn_retries_max = MAX_TCP_SYNCNT;
static int ip_ping_group_range_min[] = { 0, 0 }; static int ip_ping_group_range_min[] = { 0, 0 };
static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX }; static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX };
static int comp_sack_nr_max = 255;
static u32 u32_max_div_HZ = UINT_MAX / HZ; static u32 u32_max_div_HZ = UINT_MAX / HZ;
static int one_day_secs = 24 * 3600; static int one_day_secs = 24 * 3600;
@@ -1330,11 +1329,10 @@ static struct ctl_table ipv4_net_table[] = {
{ {
.procname = "tcp_comp_sack_nr", .procname = "tcp_comp_sack_nr",
.data = &init_net.ipv4.sysctl_tcp_comp_sack_nr, .data = &init_net.ipv4.sysctl_tcp_comp_sack_nr,
.maxlen = sizeof(int), .maxlen = sizeof(u8),
.mode = 0644, .mode = 0644,
.proc_handler = proc_dointvec_minmax, .proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO, .extra1 = SYSCTL_ZERO,
.extra2 = &comp_sack_nr_max,
}, },
{ {
.procname = "tcp_reflect_tos", .procname = "tcp_reflect_tos",