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wireless: Add channel/frequency conversions to ieee80211.h

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Added mappings for FHSS, DSSS and OFDM channels - with macros to point
HR DSSS and ERP to the DSSS mappings. Currently just static inline
functions.

Use the new functions in the older fullmac drivers. This eliminates a
number of const static buffers and removes a couple of range checks that
are now redundant.

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Richard Farina <sidhayn@gmail.com>
Acked-by: Jeroen Vreeken <pe1rxq@amsat.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Kilroy
2008-12-23 14:03:38 +00:00
committed by John W. Linville
parent eaee7cc2c1
commit 9ee677c227
7 changed files with 155 additions and 68 deletions
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9
drivers/net/wireless/wl3501_cs.c
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@@ -44,6 +44,7 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
#include <net/iw_handler.h>
@@ -111,12 +112,6 @@ static void wl3501_release(struct pcmcia_device *link);
*/
static dev_info_t wl3501_dev_info = "wl3501_cs";
static int wl3501_chan2freq[] = {
[0] = 2412, [1] = 2417, [2] = 2422, [3] = 2427, [4] = 2432,
[5] = 2437, [6] = 2442, [7] = 2447, [8] = 2452, [9] = 2457,
[10] = 2462, [11] = 2467, [12] = 2472, [13] = 2477,
};
static const struct {
int reg_domain;
int min, max, deflt;
@@ -1510,7 +1505,7 @@ static int wl3501_get_freq(struct net_device *dev, struct iw_request_info *info,
{
struct wl3501_card *this = netdev_priv(dev);
wrqu->freq.m = wl3501_chan2freq[this->chan - 1] * 100000;
wrqu->freq.m = ieee80211_dsss_chan_to_freq(this->chan) * 100000;
wrqu->freq.e = 1;
return 0;
}