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libertas: store rssi as an u32

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Don't store an (hardware base) u8 value in bss_descriptor, but just an
unsigned int (RSSI is really unsigned). Compilers generate more efficent
code for ints than for bytes.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Holger Schurig 2008-03-19 17:08:32 +01:00 committed by John W. Linville
parent e98a88dd33
commit ff829ae016
3 changed files with 4 additions and 9 deletions
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2
drivers/net/wireless/libertas/debugfs.c
View File

@ -78,7 +78,7 @@ static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
pos += snprintf(buf+pos, len-pos,
"%02u| %03d | %04ld | %s |",
"%02u| %03d | %04d | %s |",
numscansdone, iter_bss->channel, iter_bss->rssi,
print_mac(mac, iter_bss->bssid));
pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);

4
drivers/net/wireless/libertas/scan.c
View File

@ -602,7 +602,7 @@ static int lbs_scan_networks(struct lbs_private *priv, int full_scan)
lbs_deb_scan("scan table:\n");
list_for_each_entry(iter, &priv->network_list, list)
lbs_deb_scan("%02d: BSSID %s, RSSI %d, SSID '%s'\n",
i++, print_mac(mac, iter->bssid), (int)iter->rssi,
i++, print_mac(mac, iter->bssid), iter->rssi,
escape_essid(iter->ssid, iter->ssid_len));
mutex_unlock(&priv->lock);
#endif
@ -948,7 +948,7 @@ struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
uint8_t *bssid, uint8_t mode,
int channel)
{
uint8_t bestrssi = 0;
u32 bestrssi = 0;
struct bss_descriptor * iter_bss = NULL;
struct bss_descriptor * found_bss = NULL;
struct bss_descriptor * tmp_oldest = NULL;

7
drivers/net/wireless/libertas/scan.h
View File

@ -34,14 +34,9 @@ struct bss_descriptor {
u8 ssid_len;
u16 capability;
/* receive signal strength in dBm */
long rssi;
u32 rssi;
u32 channel;
u16 beaconperiod;
u32 atimwindow;
/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */