orinoco: Move scan helpers to a separate file
No functional change.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c
index 9e8da9c..1063f8c 100644
--- a/drivers/net/wireless/orinoco/main.c
+++ b/drivers/net/wireless/orinoco/main.c
@@ -95,6 +95,8 @@
#include "hermes_rid.h"
#include "hermes_dld.h"
+#include "scan.h"
+
#include "orinoco.h"
/********************************************************************/
@@ -350,53 +352,6 @@
}
}
-#define ORINOCO_MAX_BSS_COUNT 64
-static int orinoco_bss_data_allocate(struct orinoco_private *priv)
-{
- if (priv->bss_xbss_data)
- return 0;
-
- if (priv->has_ext_scan)
- priv->bss_xbss_data = kzalloc(ORINOCO_MAX_BSS_COUNT *
- sizeof(struct xbss_element),
- GFP_KERNEL);
- else
- priv->bss_xbss_data = kzalloc(ORINOCO_MAX_BSS_COUNT *
- sizeof(struct bss_element),
- GFP_KERNEL);
-
- if (!priv->bss_xbss_data) {
- printk(KERN_WARNING "Out of memory allocating beacons");
- return -ENOMEM;
- }
- return 0;
-}
-
-static void orinoco_bss_data_free(struct orinoco_private *priv)
-{
- kfree(priv->bss_xbss_data);
- priv->bss_xbss_data = NULL;
-}
-
-#define PRIV_BSS ((struct bss_element *)priv->bss_xbss_data)
-#define PRIV_XBSS ((struct xbss_element *)priv->bss_xbss_data)
-static void orinoco_bss_data_init(struct orinoco_private *priv)
-{
- int i;
-
- INIT_LIST_HEAD(&priv->bss_free_list);
- INIT_LIST_HEAD(&priv->bss_list);
- if (priv->has_ext_scan)
- for (i = 0; i < ORINOCO_MAX_BSS_COUNT; i++)
- list_add_tail(&(PRIV_XBSS[i].list),
- &priv->bss_free_list);
- else
- for (i = 0; i < ORINOCO_MAX_BSS_COUNT; i++)
- list_add_tail(&(PRIV_BSS[i].list),
- &priv->bss_free_list);
-
-}
-
static inline u8 *orinoco_get_ie(u8 *data, size_t len,
enum ieee80211_eid eid)
{
@@ -1857,177 +1812,6 @@
orinoco_unlock(priv, &flags);
}
-static inline void orinoco_clear_scan_results(struct orinoco_private *priv,
- unsigned long scan_age)
-{
- if (priv->has_ext_scan) {
- struct xbss_element *bss;
- struct xbss_element *tmp_bss;
-
- /* Blow away current list of scan results */
- list_for_each_entry_safe(bss, tmp_bss, &priv->bss_list, list) {
- if (!scan_age ||
- time_after(jiffies, bss->last_scanned + scan_age)) {
- list_move_tail(&bss->list,
- &priv->bss_free_list);
- /* Don't blow away ->list, just BSS data */
- memset(&bss->bss, 0, sizeof(bss->bss));
- bss->last_scanned = 0;
- }
- }
- } else {
- struct bss_element *bss;
- struct bss_element *tmp_bss;
-
- /* Blow away current list of scan results */
- list_for_each_entry_safe(bss, tmp_bss, &priv->bss_list, list) {
- if (!scan_age ||
- time_after(jiffies, bss->last_scanned + scan_age)) {
- list_move_tail(&bss->list,
- &priv->bss_free_list);
- /* Don't blow away ->list, just BSS data */
- memset(&bss->bss, 0, sizeof(bss->bss));
- bss->last_scanned = 0;
- }
- }
- }
-}
-
-static void orinoco_add_ext_scan_result(struct orinoco_private *priv,
- struct agere_ext_scan_info *atom)
-{
- struct xbss_element *bss = NULL;
- int found = 0;
-
- /* Try to update an existing bss first */
- list_for_each_entry(bss, &priv->bss_list, list) {
- if (compare_ether_addr(bss->bss.bssid, atom->bssid))
- continue;
- /* ESSID lengths */
- if (bss->bss.data[1] != atom->data[1])
- continue;
- if (memcmp(&bss->bss.data[2], &atom->data[2],
- atom->data[1]))
- continue;
- found = 1;
- break;
- }
-
- /* Grab a bss off the free list */
- if (!found && !list_empty(&priv->bss_free_list)) {
- bss = list_entry(priv->bss_free_list.next,
- struct xbss_element, list);
- list_del(priv->bss_free_list.next);
-
- list_add_tail(&bss->list, &priv->bss_list);
- }
-
- if (bss) {
- /* Always update the BSS to get latest beacon info */
- memcpy(&bss->bss, atom, sizeof(bss->bss));
- bss->last_scanned = jiffies;
- }
-}
-
-static int orinoco_process_scan_results(struct orinoco_private *priv,
- unsigned char *buf,
- int len)
-{
- int offset; /* In the scan data */
- union hermes_scan_info *atom;
- int atom_len;
-
- switch (priv->firmware_type) {
- case FIRMWARE_TYPE_AGERE:
- atom_len = sizeof(struct agere_scan_apinfo);
- offset = 0;
- break;
- case FIRMWARE_TYPE_SYMBOL:
- /* Lack of documentation necessitates this hack.
- * Different firmwares have 68 or 76 byte long atoms.
- * We try modulo first. If the length divides by both,
- * we check what would be the channel in the second
- * frame for a 68-byte atom. 76-byte atoms have 0 there.
- * Valid channel cannot be 0. */
- if (len % 76)
- atom_len = 68;
- else if (len % 68)
- atom_len = 76;
- else if (len >= 1292 && buf[68] == 0)
- atom_len = 76;
- else
- atom_len = 68;
- offset = 0;
- break;
- case FIRMWARE_TYPE_INTERSIL:
- offset = 4;
- if (priv->has_hostscan) {
- atom_len = le16_to_cpup((__le16 *)buf);
- /* Sanity check for atom_len */
- if (atom_len < sizeof(struct prism2_scan_apinfo)) {
- printk(KERN_ERR "%s: Invalid atom_len in scan "
- "data: %d\n", priv->ndev->name,
- atom_len);
- return -EIO;
- }
- } else
- atom_len = offsetof(struct prism2_scan_apinfo, atim);
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- /* Check that we got an whole number of atoms */
- if ((len - offset) % atom_len) {
- printk(KERN_ERR "%s: Unexpected scan data length %d, "
- "atom_len %d, offset %d\n", priv->ndev->name, len,
- atom_len, offset);
- return -EIO;
- }
-
- orinoco_clear_scan_results(priv, msecs_to_jiffies(15000));
-
- /* Read the entries one by one */
- for (; offset + atom_len <= len; offset += atom_len) {
- int found = 0;
- struct bss_element *bss = NULL;
-
- /* Get next atom */
- atom = (union hermes_scan_info *) (buf + offset);
-
- /* Try to update an existing bss first */
- list_for_each_entry(bss, &priv->bss_list, list) {
- if (compare_ether_addr(bss->bss.a.bssid, atom->a.bssid))
- continue;
- if (le16_to_cpu(bss->bss.a.essid_len) !=
- le16_to_cpu(atom->a.essid_len))
- continue;
- if (memcmp(bss->bss.a.essid, atom->a.essid,
- le16_to_cpu(atom->a.essid_len)))
- continue;
- found = 1;
- break;
- }
-
- /* Grab a bss off the free list */
- if (!found && !list_empty(&priv->bss_free_list)) {
- bss = list_entry(priv->bss_free_list.next,
- struct bss_element, list);
- list_del(priv->bss_free_list.next);
-
- list_add_tail(&bss->list, &priv->bss_list);
- }
-
- if (bss) {
- /* Always update the BSS to get latest beacon info */
- memcpy(&bss->bss, atom, sizeof(bss->bss));
- bss->last_scanned = jiffies;
- }
- }
-
- return 0;
-}
-
static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
{
struct orinoco_private *priv = netdev_priv(dev);