diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-05-09 09:59:29 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-05-09 10:01:01 -0700 |
| commit | e7073830cc8b52ef3df7dd150e4dac7706e0e104 (patch) | |
| tree | e257cb163ac414e82acf319ab8cdd98ad4434036 /net/mptcp/ctrl.c | |
| parent | 628bc3e5a1beae395b5b515998396c60559ed3a9 (diff) | |
| parent | 8c3b7565f81e030ef448378acd1b35dabb493e3b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
35d92abfbad8 ("net: hns3: fix kernel crash when devlink reload during initialization")
2a1a1a7b5fd7 ("net: hns3: add command queue trace for hns3")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/ctrl.c')
| -rw-r--r-- | net/mptcp/ctrl.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/net/mptcp/ctrl.c b/net/mptcp/ctrl.c index f4e7a53acc5a..49abf80b3fad 100644 --- a/net/mptcp/ctrl.c +++ b/net/mptcp/ctrl.c @@ -96,6 +96,43 @@ static void mptcp_pernet_set_defaults(struct mptcp_pernet *pernet) } #ifdef CONFIG_SYSCTL +static int mptcp_set_scheduler(const struct net *net, const char *name) +{ + struct mptcp_pernet *pernet = mptcp_get_pernet(net); + struct mptcp_sched_ops *sched; + int ret = 0; + + rcu_read_lock(); + sched = mptcp_sched_find(name); + if (sched) + strscpy(pernet->scheduler, name, MPTCP_SCHED_NAME_MAX); + else + ret = -ENOENT; + rcu_read_unlock(); + + return ret; +} + +static int proc_scheduler(struct ctl_table *ctl, int write, + void *buffer, size_t *lenp, loff_t *ppos) +{ + const struct net *net = current->nsproxy->net_ns; + char val[MPTCP_SCHED_NAME_MAX]; + struct ctl_table tbl = { + .data = val, + .maxlen = MPTCP_SCHED_NAME_MAX, + }; + int ret; + + strscpy(val, mptcp_get_scheduler(net), MPTCP_SCHED_NAME_MAX); + + ret = proc_dostring(&tbl, write, buffer, lenp, ppos); + if (write && ret == 0) + ret = mptcp_set_scheduler(net, val); + + return ret; +} + static struct ctl_table mptcp_sysctl_table[] = { { .procname = "enabled", @@ -148,7 +185,7 @@ static struct ctl_table mptcp_sysctl_table[] = { .procname = "scheduler", .maxlen = MPTCP_SCHED_NAME_MAX, .mode = 0644, - .proc_handler = proc_dostring, + .proc_handler = proc_scheduler, }, { .procname = "close_timeout", |