diff options
| -rw-r--r-- | net/mptcp/ctrl.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/net/mptcp/ctrl.c b/net/mptcp/ctrl.c index cb0811e636ff..4d8b31f32eb5 100644 --- a/net/mptcp/ctrl.c +++ b/net/mptcp/ctrl.c @@ -230,6 +230,29 @@ static int proc_path_manager(const struct ctl_table *ctl, int write, return ret; } +static int proc_pm_type(const struct ctl_table *ctl, int write, + void *buffer, size_t *lenp, loff_t *ppos) +{ + struct mptcp_pernet *pernet = container_of(ctl->data, + struct mptcp_pernet, + pm_type); + int ret; + + ret = proc_dou8vec_minmax(ctl, write, buffer, lenp, ppos); + if (write && ret == 0) { + u8 pm_type = READ_ONCE(*(u8 *)ctl->data); + char *pm_name = ""; + + if (pm_type == MPTCP_PM_TYPE_KERNEL) + pm_name = "kernel"; + else if (pm_type == MPTCP_PM_TYPE_USERSPACE) + pm_name = "userspace"; + mptcp_set_path_manager(pernet->path_manager, pm_name); + } + + return ret; +} + static struct ctl_table mptcp_sysctl_table[] = { { .procname = "enabled", @@ -274,7 +297,7 @@ static struct ctl_table mptcp_sysctl_table[] = { .procname = "pm_type", .maxlen = sizeof(u8), .mode = 0644, - .proc_handler = proc_dou8vec_minmax, + .proc_handler = proc_pm_type, .extra1 = SYSCTL_ZERO, .extra2 = &mptcp_pm_type_max }, |