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authorEric Dumazet <edumazet@google.com>2025-10-13 15:22:33 +0000
committerJakub Kicinski <kuba@kernel.org>2025-10-15 09:04:21 -0700
commit2ddef3462b3a5d62e5485e22ce128a5c02276438 (patch)
treee0c1036a1e4ae273ac637e1ef61eb8ef25a99b95 /net/core/sysctl_net_core.c
parentd365c9bca35cdeb534aac279c81d1fc9730bb100 (diff)
net: add /proc/sys/net/core/txq_reselection_ms control
Add a new sysctl to control how often a queue reselection can happen even if a flow has a persistent queue of skbs in a Qdisc or NIC queue. A value of zero means the feature is disabled. Default is 1000 (1 second). This sysctl is used in the following patch. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Neal Cardwell <ncardwell@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20251013152234.842065-4-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/sysctl_net_core.c')
-rw-r--r--net/core/sysctl_net_core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 8cf04b57ade1..f79137826d7f 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -668,6 +668,13 @@ static struct ctl_table netns_core_table[] = {
.proc_handler = proc_dou8vec_minmax,
},
{
+ .procname = "txq_reselection_ms",
+ .data = &init_net.core.sysctl_txq_reselection,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_ms_jiffies,
+ },
+ {
.procname = "tstamp_allow_data",
.data = &init_net.core.sysctl_tstamp_allow_data,
.maxlen = sizeof(u8),