From: Ben Greear <[email protected]> This will allow us to call it from elsewhere when implementing ethtool stats.
Signed-off-by: Ben Greear <[email protected]> --- v2: Make ethtool ops static per kbuild test robot suggestion. drivers/net/wireless/ath/ath6kl/debug.c | 55 +++++++++++++++++++-------------- drivers/net/wireless/ath/ath6kl/debug.h | 2 ++ 2 files changed, 34 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index 81ba48d..91ff6a5 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -98,6 +98,33 @@ void ath6kl_warn(const char *fmt, ...) } EXPORT_SYMBOL(ath6kl_warn); +int ath6k_read_tgt_stats(struct ath6kl *ar, struct ath6kl_vif *vif) +{ + long left; + + if (down_interruptible(&ar->sem)) + return -EBUSY; + + set_bit(STATS_UPDATE_PEND, &vif->flags); + + if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) { + up(&ar->sem); + return -EIO; + } + + left = wait_event_interruptible_timeout(ar->event_wq, + !test_bit(STATS_UPDATE_PEND, + &vif->flags), WMI_TIMEOUT); + + up(&ar->sem); + + if (left <= 0) + return -ETIMEDOUT; + + return 0; +} +EXPORT_SYMBOL(ath6k_read_tgt_stats); + #ifdef CONFIG_ATH6KL_DEBUG void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...) @@ -544,42 +571,24 @@ static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, char *buf; unsigned int len = 0, buf_len = 1500; int i; - long left; ssize_t ret_cnt; + int rv; vif = ath6kl_vif_first(ar); if (!vif) return -EIO; - tgt_stats = &vif->target_stats; - buf = kzalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; - if (down_interruptible(&ar->sem)) { + rv = ath6k_read_tgt_stats(ar, vif); + if (rv < 0) { kfree(buf); - return -EBUSY; + return rv; } - set_bit(STATS_UPDATE_PEND, &vif->flags); - - if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) { - up(&ar->sem); - kfree(buf); - return -EIO; - } - - left = wait_event_interruptible_timeout(ar->event_wq, - !test_bit(STATS_UPDATE_PEND, - &vif->flags), WMI_TIMEOUT); - - up(&ar->sem); - - if (left <= 0) { - kfree(buf); - return -ETIMEDOUT; - } + tgt_stats = &vif->target_stats; len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "%25s\n", diff --git a/drivers/net/wireless/ath/ath6kl/debug.h b/drivers/net/wireless/ath/ath6kl/debug.h index 19106ed..be54f19 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.h +++ b/drivers/net/wireless/ath/ath6kl/debug.h @@ -59,6 +59,8 @@ enum ath6kl_war { ATH6KL_WAR_INVALID_RATE, }; +int ath6k_read_tgt_stats(struct ath6kl *ar, struct ath6kl_vif *vif); + #ifdef CONFIG_ATH6KL_DEBUG void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...); -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
