diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/main.h')
| -rw-r--r-- | drivers/net/wireless/mwifiex/main.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 95a6f5269c6c..3da73d36acdf 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -513,6 +513,8 @@ struct mwifiex_private { u32 mgmt_frame_mask; struct mwifiex_roc_cfg roc_cfg; bool scan_aborting; + u8 csa_chan; + unsigned long csa_expire_time; }; enum mwifiex_ba_status { @@ -1021,6 +1023,24 @@ static inline bool mwifiex_is_skb_mgmt_frame(struct sk_buff *skb) return (*(u32 *)skb->data == PKT_TYPE_MGMT); } +/* This function retrieves channel closed for operation by Channel + * Switch Announcement. + */ +static inline u8 +mwifiex_11h_get_csa_closed_channel(struct mwifiex_private *priv) +{ + if (!priv->csa_chan) + return 0; + + /* Clear csa channel, if DFS channel move time has passed */ + if (jiffies > priv->csa_expire_time) { + priv->csa_chan = 0; + priv->csa_expire_time = 0; + } + + return priv->csa_chan; +} + int mwifiex_init_shutdown_fw(struct mwifiex_private *priv, u32 func_init_shutdown); int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8); |