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-rw-r--r--net/mac80211/util.c142
1 files changed, 22 insertions, 120 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 5e631ce98d7e..f64804fed0a9 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -41,92 +41,6 @@ const unsigned char bridge_tunnel_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
-static int rate_list_match(const int *rate_list, int rate)
-{
- int i;
-
- if (!rate_list)
- return 0;
-
- for (i = 0; rate_list[i] >= 0; i++)
- if (rate_list[i] == rate)
- return 1;
-
- return 0;
-}
-
-void ieee80211_prepare_rates(struct ieee80211_local *local,
- struct ieee80211_hw_mode *mode)
-{
- int i;
-
- for (i = 0; i < mode->num_rates; i++) {
- struct ieee80211_rate *rate = &mode->rates[i];
-
- rate->flags &= ~(IEEE80211_RATE_SUPPORTED |
- IEEE80211_RATE_BASIC);
-
- if (local->supp_rates[mode->mode]) {
- if (!rate_list_match(local->supp_rates[mode->mode],
- rate->rate))
- continue;
- }
-
- rate->flags |= IEEE80211_RATE_SUPPORTED;
-
- /* Use configured basic rate set if it is available. If not,
- * use defaults that are sane for most cases. */
- if (local->basic_rates[mode->mode]) {
- if (rate_list_match(local->basic_rates[mode->mode],
- rate->rate))
- rate->flags |= IEEE80211_RATE_BASIC;
- } else switch (mode->mode) {
- case MODE_IEEE80211A:
- if (rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- case MODE_IEEE80211B:
- if (rate->rate == 10 || rate->rate == 20)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- case MODE_IEEE80211G:
- if (rate->rate == 10 || rate->rate == 20 ||
- rate->rate == 55 || rate->rate == 110)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- case NUM_IEEE80211_MODES:
- /* not useful */
- break;
- }
-
- /* Set ERP and MANDATORY flags based on phymode */
- switch (mode->mode) {
- case MODE_IEEE80211A:
- if (rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_MANDATORY;
- break;
- case MODE_IEEE80211B:
- if (rate->rate == 10)
- rate->flags |= IEEE80211_RATE_MANDATORY;
- break;
- case MODE_IEEE80211G:
- if (rate->rate == 10 || rate->rate == 20 ||
- rate->rate == 55 || rate->rate == 110 ||
- rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_MANDATORY;
- break;
- case NUM_IEEE80211_MODES:
- /* not useful */
- break;
- }
- if (ieee80211_is_erp_rate(mode->mode, rate->rate))
- rate->flags |= IEEE80211_RATE_ERP;
- }
-}
-
u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
enum ieee80211_if_types type)
{
@@ -262,7 +176,7 @@ int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
* DIV_ROUND_UP() operations.
*/
- if (local->hw.conf.phymode == MODE_IEEE80211A || erp) {
+ if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ || erp) {
/*
* OFDM:
*
@@ -304,15 +218,19 @@ int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
/* Exported duration function for driver use */
__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
- size_t frame_len, int rate)
+ size_t frame_len,
+ struct ieee80211_rate *rate)
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
u16 dur;
int erp;
- erp = ieee80211_is_erp_rate(hw->conf.phymode, rate);
- dur = ieee80211_frame_duration(local, frame_len, rate, erp,
+ erp = 0;
+ if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ erp = rate->flags & IEEE80211_RATE_ERP_G;
+
+ dur = ieee80211_frame_duration(local, frame_len, rate->bitrate, erp,
sdata->bss_conf.use_short_preamble);
return cpu_to_le16(dur);
@@ -332,17 +250,20 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
short_preamble = sdata->bss_conf.use_short_preamble;
- rate = frame_txctl->rts_rate;
- erp = !!(rate->flags & IEEE80211_RATE_ERP);
+ rate = frame_txctl->rts_cts_rate;
+
+ erp = 0;
+ if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ erp = rate->flags & IEEE80211_RATE_ERP_G;
/* CTS duration */
- dur = ieee80211_frame_duration(local, 10, rate->rate,
+ dur = ieee80211_frame_duration(local, 10, rate->bitrate,
erp, short_preamble);
/* Data frame duration */
- dur += ieee80211_frame_duration(local, frame_len, rate->rate,
+ dur += ieee80211_frame_duration(local, frame_len, rate->bitrate,
erp, short_preamble);
/* ACK duration */
- dur += ieee80211_frame_duration(local, 10, rate->rate,
+ dur += ieee80211_frame_duration(local, 10, rate->bitrate,
erp, short_preamble);
return cpu_to_le16(dur);
@@ -363,15 +284,17 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
short_preamble = sdata->bss_conf.use_short_preamble;
- rate = frame_txctl->rts_rate;
- erp = !!(rate->flags & IEEE80211_RATE_ERP);
+ rate = frame_txctl->rts_cts_rate;
+ erp = 0;
+ if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ erp = rate->flags & IEEE80211_RATE_ERP_G;
/* Data frame duration */
- dur = ieee80211_frame_duration(local, frame_len, rate->rate,
+ dur = ieee80211_frame_duration(local, frame_len, rate->bitrate,
erp, short_preamble);
if (!(frame_txctl->flags & IEEE80211_TXCTL_NO_ACK)) {
/* ACK duration */
- dur += ieee80211_frame_duration(local, 10, rate->rate,
+ dur += ieee80211_frame_duration(local, 10, rate->bitrate,
erp, short_preamble);
}
@@ -379,27 +302,6 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL(ieee80211_ctstoself_duration);
-struct ieee80211_rate *
-ieee80211_get_rate(struct ieee80211_local *local, int phymode, int hw_rate)
-{
- struct ieee80211_hw_mode *mode;
- int r;
-
- list_for_each_entry(mode, &local->modes_list, list) {
- if (mode->mode != phymode)
- continue;
- for (r = 0; r < mode->num_rates; r++) {
- struct ieee80211_rate *rate = &mode->rates[r];
- if (rate->val == hw_rate ||
- (rate->flags & IEEE80211_RATE_PREAMBLE2 &&
- rate->val2 == hw_rate))
- return rate;
- }
- }
-
- return NULL;
-}
-
void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
{
struct ieee80211_local *local = hw_to_local(hw);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 10:49:39 +0100