diff options
Diffstat (limited to 'drivers/net/wireless/b43/main.c')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 80 |
1 files changed, 51 insertions, 29 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 9568ab17fe7..178ad912010 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -75,14 +75,6 @@ module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames Preemption"); -static int modparam_short_retry = B43_DEFAULT_SHORT_RETRY_LIMIT; -module_param_named(short_retry, modparam_short_retry, int, 0444); -MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)"); - -static int modparam_long_retry = B43_DEFAULT_LONG_RETRY_LIMIT; -module_param_named(long_retry, modparam_long_retry, int, 0444); -MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)"); - static char modparam_fwpostfix[16]; module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load."); @@ -3257,6 +3249,22 @@ static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev) #endif /* CONFIG_SSB_DRIVER_PCICORE */ } +/* Write the short and long frame retry limit values. */ +static void b43_set_retry_limits(struct b43_wldev *dev, + unsigned int short_retry, + unsigned int long_retry) +{ + /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing + * the chip-internal counter. */ + short_retry = min(short_retry, (unsigned int)0xF); + long_retry = min(long_retry, (unsigned int)0xF); + + b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, + short_retry); + b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, + long_retry); +} + /* Shutdown a wireless core */ /* Locking: wl->mutex */ static void b43_wireless_core_exit(struct b43_wldev *dev) @@ -3342,15 +3350,8 @@ static int b43_wireless_core_init(struct b43_wldev *dev) } b43_hf_write(dev, hf); - /* Short/Long Retry Limit. - * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing - * the chip-internal counter. - */ - tmp = limit_value(modparam_short_retry, 0, 0xF); - b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, tmp); - tmp = limit_value(modparam_long_retry, 0, 0xF); - b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, tmp); - + b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT, + B43_DEFAULT_LONG_RETRY_LIMIT); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2); @@ -3533,19 +3534,40 @@ static void b43_stop(struct ieee80211_hw *hw) mutex_unlock(&wl->mutex); } +static int b43_op_set_retry_limit(struct ieee80211_hw *hw, + u32 short_retry_limit, u32 long_retry_limit) +{ + struct b43_wl *wl = hw_to_b43_wl(hw); + struct b43_wldev *dev; + int err = 0; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) { + err = -ENODEV; + goto out_unlock; + } + b43_set_retry_limits(dev, short_retry_limit, long_retry_limit); +out_unlock: + mutex_unlock(&wl->mutex); + + return err; +} + static const struct ieee80211_ops b43_hw_ops = { - .tx = b43_tx, - .conf_tx = b43_conf_tx, - .add_interface = b43_add_interface, - .remove_interface = b43_remove_interface, - .config = b43_dev_config, - .config_interface = b43_config_interface, - .configure_filter = b43_configure_filter, - .set_key = b43_dev_set_key, - .get_stats = b43_get_stats, - .get_tx_stats = b43_get_tx_stats, - .start = b43_start, - .stop = b43_stop, + .tx = b43_tx, + .conf_tx = b43_conf_tx, + .add_interface = b43_add_interface, + .remove_interface = b43_remove_interface, + .config = b43_dev_config, + .config_interface = b43_config_interface, + .configure_filter = b43_configure_filter, + .set_key = b43_dev_set_key, + .get_stats = b43_get_stats, + .get_tx_stats = b43_get_tx_stats, + .start = b43_start, + .stop = b43_stop, + .set_retry_limit = b43_op_set_retry_limit, }; /* Hard-reset the chip. Do not call this directly. |