diff options
| author | Ross Burton <ross@openedhand.com> | 2008-01-22 18:27:53 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:10:54 -0800 |
| commit | 91cde6f7d295a9eafea51d821f6e609288736c79 (patch) | |
| tree | 8465492a91f93aad746437468510aed76e421c53 | |
| parent | c0e1899bdbd5e997d2256fcc23fc4e3d2bc5f811 (diff) | |
| download | kernel-common-91cde6f7d295a9eafea51d821f6e609288736c79.tar.gz kernel-common-91cde6f7d295a9eafea51d821f6e609288736c79.tar.bz2 kernel-common-91cde6f7d295a9eafea51d821f6e609288736c79.zip | |
[IrDA]: LMP discovery timer not started by default
By default, LMP sets up a 3 seconds timer for discovery.
We don't need it until discovery is set to 1.
Signed-off-by: Ross Burton <ross@openedhand.com>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/irda/irlmp.c | 7 | ||||
| -rw-r--r-- | net/irda/irlmp_event.c | 4 | ||||
| -rw-r--r-- | net/irda/irsysctl.c | 28 |
3 files changed, 33 insertions, 6 deletions
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c index f24cb755908e..135ac6907bbf 100644 --- a/net/irda/irlmp.c +++ b/net/irda/irlmp.c @@ -103,9 +103,12 @@ int __init irlmp_init(void) irlmp->last_lsap_sel = 0x0f; /* Reserved 0x00-0x0f */ strcpy(sysctl_devname, "Linux"); - /* Do discovery every 3 seconds */ init_timer(&irlmp->discovery_timer); - irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout*HZ); + + /* Do discovery every 3 seconds, conditionaly */ + if (sysctl_discovery) + irlmp_start_discovery_timer(irlmp, + sysctl_discovery_timeout*HZ); return 0; } diff --git a/net/irda/irlmp_event.c b/net/irda/irlmp_event.c index 1bba87e78609..150cd3f1129a 100644 --- a/net/irda/irlmp_event.c +++ b/net/irda/irlmp_event.c @@ -174,9 +174,7 @@ void irlmp_discovery_timer_expired(void *data) /* We always cleanup the log (active & passive discovery) */ irlmp_do_expiry(); - /* Active discovery is conditional */ - if (sysctl_discovery) - irlmp_do_discovery(sysctl_discovery_slots); + irlmp_do_discovery(sysctl_discovery_slots); /* Restart timer */ irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout * HZ); diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c index d8aba869ff11..9ab3df15425d 100644 --- a/net/irda/irsysctl.c +++ b/net/irda/irsysctl.c @@ -29,6 +29,8 @@ #include <linux/init.h> #include <net/irda/irda.h> /* irda_debug */ +#include <net/irda/irlmp.h> +#include <net/irda/timer.h> #include <net/irda/irias_object.h> extern int sysctl_discovery; @@ -45,6 +47,8 @@ extern int sysctl_max_noreply_time; extern int sysctl_warn_noreply_time; extern int sysctl_lap_keepalive_time; +extern struct irlmp_cb *irlmp; + /* this is needed for the proc_dointvec_minmax - Jean II */ static int max_discovery_slots = 16; /* ??? */ static int min_discovery_slots = 1; @@ -85,6 +89,27 @@ static int do_devname(ctl_table *table, int write, struct file *filp, return ret; } + +static int do_discovery(ctl_table *table, int write, struct file *filp, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + int ret; + + ret = proc_dointvec(table, write, filp, buffer, lenp, ppos); + if (ret) + return ret; + + if (irlmp == NULL) + return -ENODEV; + + if (sysctl_discovery) + irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout*HZ); + else + del_timer_sync(&irlmp->discovery_timer); + + return ret; +} + /* One file */ static ctl_table irda_table[] = { { @@ -93,7 +118,8 @@ static ctl_table irda_table[] = { .data = &sysctl_discovery, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec + .proc_handler = &do_discovery, + .strategy = &sysctl_intvec }, { .ctl_name = NET_IRDA_DEVNAME, |