/*----------------------------------------------------------------
* read_cardpda
*
* Sends the command for the driver to read the pda from the card
* named in the device variable. Upon success, the card pda is
* stored in the "cardpda" variables. Note that the pda structure
* is considered 'well formed' after this function. That means
* that the nrecs is valid, the rec array has been set up, and there's
* a valid PDAEND record in the raw PDA data.
*
* Arguments:
* pda pda structure
* wlandev device
*
* Returns:
* 0 - success
* ~0 - failure (probably an errno)
----------------------------------------------------------------*/
int read_cardpda(struct pda *pda, wlandevice_t *wlandev)
{
int result = 0;
struct p80211msg_p2req_readpda msg;
/* set up the msg */
msg.msgcode = DIDmsg_p2req_readpda;
msg.msglen = sizeof(msg);
strcpy(msg.devname, wlandev->name);
msg.pda.did = DIDmsg_p2req_readpda_pda;
msg.pda.len = HFA384x_PDA_LEN_MAX;
msg.pda.status = P80211ENUM_msgitem_status_no_value;
msg.resultcode.did = DIDmsg_p2req_readpda_resultcode;
msg.resultcode.len = sizeof(u32);
msg.resultcode.status = P80211ENUM_msgitem_status_no_value;
if (prism2mgmt_readpda(wlandev, &msg) != 0) {
/* prism2mgmt_readpda prints an errno if appropriate */
result = -1;
} else if (msg.resultcode.data == P80211ENUM_resultcode_success) {
memcpy(pda->buf, msg.pda.data, HFA384x_PDA_LEN_MAX);
result = mkpdrlist(pda);
} else {
/* resultcode must've been something other than success */
result = -1;
}
return result;
}
int read_cardpda(struct pda *pda, wlandevice_t *wlandev)
{
int result = 0;
struct p80211msg_p2req_readpda msg;
msg.msgcode = DIDmsg_p2req_readpda;
msg.msglen = sizeof(msg);
strcpy(msg.devname, wlandev->name);
msg.pda.did = DIDmsg_p2req_readpda_pda;
msg.pda.len = HFA384x_PDA_LEN_MAX;
msg.pda.status = P80211ENUM_msgitem_status_no_value;
msg.resultcode.did = DIDmsg_p2req_readpda_resultcode;
msg.resultcode.len = sizeof(u32);
msg.resultcode.status = P80211ENUM_msgitem_status_no_value;
if (prism2mgmt_readpda(wlandev, &msg) != 0) {
result = -1;
} else if (msg.resultcode.data == P80211ENUM_resultcode_success) {
memcpy(pda->buf, msg.pda.data, HFA384x_PDA_LEN_MAX);
result = mkpdrlist(pda);
} else {
result = -1;
}
return result;
}
/*----------------------------------------------------------------
* read_cardpda
*
* Sends the command for the driver to read the pda from the card
* named in the device variable. Upon success, the card pda is
* stored in the "cardpda" variables. Note that the pda structure
* is considered 'well formed' after this function. That means
* that the nrecs is valid, the rec array has been set up, and there's
* a valid PDAEND record in the raw PDA data.
*
* Arguments:
* pda pda structure
* wlandev device
*
* Returns:
* 0 - success
* ~0 - failure (probably an errno)
*----------------------------------------------------------------
*/
static int read_cardpda(struct pda *pda, struct wlandevice *wlandev)
{
int result = 0;
struct p80211msg_p2req_readpda *msg;
msg = kzalloc(sizeof(*msg), GFP_KERNEL);
if (!msg)
return -ENOMEM;
/* set up the msg */
msg->msgcode = DIDmsg_p2req_readpda;
msg->msglen = sizeof(msg);
strcpy(msg->devname, wlandev->name);
msg->pda.did = DIDmsg_p2req_readpda_pda;
msg->pda.len = HFA384x_PDA_LEN_MAX;
msg->pda.status = P80211ENUM_msgitem_status_no_value;
msg->resultcode.did = DIDmsg_p2req_readpda_resultcode;
msg->resultcode.len = sizeof(u32);
msg->resultcode.status = P80211ENUM_msgitem_status_no_value;
if (prism2mgmt_readpda(wlandev, msg) != 0) {
/* prism2mgmt_readpda prints an errno if appropriate */
result = -1;
} else if (msg->resultcode.data == P80211ENUM_resultcode_success) {
memcpy(pda->buf, msg->pda.data, HFA384x_PDA_LEN_MAX);
result = mkpdrlist(pda);
} else {
/* resultcode must've been something other than success */
result = -1;
}
kfree(msg);
return result;
}
