Libertas: Added 11d support using cfg80211

Added 11d support for libertas driver using cfg80211. This is based on Holger
Shurig's initial work to add cfg80211 support libertas.
(https://patchwork.kernel.org/patch/64286/)

Please let us know, if there are any improvements comments.

Code is added to send 11d enable command to firmware while
initialisation and pass 11d specific information to firmware
when notifier handler is called by cfg80211.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 52b543c52a93..b4bc103d7970 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -97,6 +97,52 @@ static int lbs_ret_reg_access(struct lbs_private *priv,
 	return ret;
 }
 
+/**
+ *  @brief This function parses countryinfo from AP and download country info to FW
+ *  @param priv    pointer to struct lbs_private
+ *  @param resp    pointer to command response buffer
+ *  @return        0; -1
+ */
+int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp)
+{
+	struct cmd_ds_802_11d_domain_info *domaininfo =
+			&resp->params.domaininforesp;
+	struct mrvl_ie_domain_param_set *domain = &domaininfo->domain;
+	u16 action = le16_to_cpu(domaininfo->action);
+	s16 ret = 0;
+	u8 nr_triplet = 0;
+
+	lbs_deb_enter(LBS_DEB_11D);
+
+	lbs_deb_hex(LBS_DEB_11D, "domain info resp", (u8 *) resp,
+			(int)le16_to_cpu(resp->size));
+
+	nr_triplet = (le16_to_cpu(domain->header.len) - COUNTRY_CODE_LEN) /
+		sizeof(struct ieee80211_country_ie_triplet);
+
+	lbs_deb_11d("domain info resp: nr_triplet %d\n", nr_triplet);
+
+	if (nr_triplet > MRVDRV_MAX_TRIPLET_802_11D) {
+		lbs_deb_11d("invalid number of triplets returned!!\n");
+		return -1;
+	}
+
+	switch (action) {
+	case CMD_ACT_SET:	/*Proc set action */
+		break;
+
+	case CMD_ACT_GET:
+		break;
+	default:
+		lbs_deb_11d("invalid action:%d\n", domaininfo->action);
+		ret = -1;
+		break;
+	}
+
+	lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
+	return ret;
+}
+
 static inline int handle_cmd_response(struct lbs_private *priv,
 				      struct cmd_header *cmd_response)
 {
@@ -130,6 +176,10 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		ret = lbs_ret_802_11_rssi(priv, resp);
 		break;
 
+	case CMD_RET(CMD_802_11D_DOMAIN_INFO):
+		ret = lbs_ret_802_11d_domain_info(resp);
+		break;
+
 	case CMD_RET(CMD_802_11_TPC_CFG):
 		spin_lock_irqsave(&priv->driver_lock, flags);
 		memmove((void *)priv->cur_cmd->callback_arg, &resp->params.tpccfg,