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, 65 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index d8838461e596..6c8a9d952a01 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -899,6 +899,66 @@ void lbs_set_mac_control(struct lbs_private *priv)
 }
 
 /**
+ *  @brief This function implements command CMD_802_11D_DOMAIN_INFO
+ *  @param priv       pointer to struct lbs_private
+ *  @param cmd        pointer to cmd buffer
+ *  @param cmdno      cmd ID
+ *  @param cmdOption  cmd action
+ *  @return           0
+*/
+int lbs_cmd_802_11d_domain_info(struct lbs_private *priv,
+				 struct cmd_ds_command *cmd,
+				 u16 cmdoption)
+{
+	struct cmd_ds_802_11d_domain_info *pdomaininfo =
+	    &cmd->params.domaininfo;
+	struct mrvl_ie_domain_param_set *domain = &pdomaininfo->domain;
+	u8 nr_triplet = priv->domain_reg.no_triplet;
+
+	lbs_deb_enter(LBS_DEB_11D);
+
+	lbs_deb_11d("nr_triplet=%x\n", nr_triplet);
+
+	pdomaininfo->action = cpu_to_le16(cmdoption);
+	if (cmdoption == CMD_ACT_GET) {
+		cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
+					sizeof(struct cmd_header));
+		lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd,
+			le16_to_cpu(cmd->size));
+		goto done;
+	}
+
+	domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN);
+	memcpy(domain->countrycode, priv->domain_reg.country_code,
+	       sizeof(domain->countrycode));
+
+	domain->header.len = cpu_to_le16(nr_triplet
+				* sizeof(struct ieee80211_country_ie_triplet)
+				+ sizeof(domain->countrycode));
+
+	if (nr_triplet) {
+		memcpy(domain->triplet, priv->domain_reg.triplet,
+				nr_triplet *
+				sizeof(struct ieee80211_country_ie_triplet));
+
+		cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
+					     le16_to_cpu(domain->header.len) +
+					     sizeof(struct mrvl_ie_header) +
+					     sizeof(struct cmd_header));
+	} else {
+		cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
+					sizeof(struct cmd_header));
+	}
+
+	lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd,
+			le16_to_cpu(cmd->size));
+
+done:
+	lbs_deb_enter(LBS_DEB_11D);
+	return 0;
+}
+
+/**
  *  @brief This function prepare the command before send to firmware.
  *
  *  @param priv		A pointer to struct lbs_private structure
@@ -996,6 +1056,11 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		ret = 0;
 		goto done;
 
+	case CMD_802_11D_DOMAIN_INFO:
+		cmdptr->command = cpu_to_le16(cmd_no);
+		ret = lbs_cmd_802_11d_domain_info(priv, cmdptr, cmd_action);
+		break;
+
 	case CMD_802_11_TPC_CFG:
 		cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
 		cmdptr->size =