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path: root/drivers/net/wireless/wl12xx/tx.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/tx.c')
-rw-r--r--drivers/net/wireless/wl12xx/tx.c105
1 files changed, 90 insertions, 15 deletions
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index b44c75c..3507c81 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -23,6 +23,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/etherdevice.h>
#include "wl12xx.h"
#include "io.h"
@@ -30,6 +31,23 @@
#include "ps.h"
#include "tx.h"
+static int wl1271_set_default_wep_key(struct wl1271 *wl, u8 id)
+{
+ int ret;
+ bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
+
+ if (is_ap)
+ ret = wl1271_cmd_set_ap_default_wep_key(wl, id);
+ else
+ ret = wl1271_cmd_set_sta_default_wep_key(wl, id);
+
+ if (ret < 0)
+ return ret;
+
+ wl1271_debug(DEBUG_CRYPT, "default wep key idx: %d", (int)id);
+ return 0;
+}
+
static int wl1271_alloc_tx_id(struct wl1271 *wl, struct sk_buff *skb)
{
int id;
@@ -99,7 +117,7 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
{
struct timespec ts;
struct wl1271_tx_hw_descr *desc;
- int pad, ac;
+ int pad, ac, rate_idx;
s64 hosttime;
u16 tx_attr;
@@ -117,7 +135,11 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
getnstimeofday(&ts);
hosttime = (timespec_to_ns(&ts) >> 10);
desc->start_time = cpu_to_le32(hosttime - wl->time_offset);
- desc->life_time = cpu_to_le16(TX_HW_MGMT_PKT_LIFETIME_TU);
+
+ if (wl->bss_type != BSS_TYPE_AP_BSS)
+ desc->life_time = cpu_to_le16(TX_HW_MGMT_PKT_LIFETIME_TU);
+ else
+ desc->life_time = cpu_to_le16(TX_HW_AP_MODE_PKT_LIFETIME_TU);
/* configure the tx attributes */
tx_attr = wl->session_counter << TX_HW_ATTR_OFST_SESSION_COUNTER;
@@ -125,7 +147,41 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
/* queue (we use same identifiers for tid's and ac's */
ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
desc->tid = ac;
- desc->aid = TX_HW_DEFAULT_AID;
+
+ if (wl->bss_type != BSS_TYPE_AP_BSS) {
+ desc->aid = TX_HW_DEFAULT_AID;
+
+ /* if the packets are destined for AP (have a STA entry)
+ send them with AP rate policies, otherwise use default
+ basic rates */
+ if (control->control.sta)
+ rate_idx = ACX_TX_AP_FULL_RATE;
+ else
+ rate_idx = ACX_TX_BASIC_RATE;
+ } else {
+ if (control->control.sta) {
+ struct wl1271_station *wl_sta;
+
+ wl_sta = (struct wl1271_station *)
+ control->control.sta->drv_priv;
+ desc->hlid = wl_sta->hlid;
+ rate_idx = ac;
+ } else {
+ struct ieee80211_hdr *hdr;
+
+ hdr = (struct ieee80211_hdr *)
+ (skb->data + sizeof(*desc));
+ if (ieee80211_is_mgmt(hdr->frame_control)) {
+ desc->hlid = WL1271_AP_GLOBAL_HLID;
+ rate_idx = ACX_TX_AP_MODE_MGMT_RATE;
+ } else {
+ desc->hlid = WL1271_AP_BROADCAST_HLID;
+ rate_idx = ACX_TX_AP_MODE_BCST_RATE;
+ }
+ }
+ }
+
+ tx_attr |= rate_idx << TX_HW_ATTR_OFST_RATE_POLICY;
desc->reserved = 0;
/* align the length (and store in terms of words) */
@@ -136,14 +192,12 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
pad = pad - skb->len;
tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD;
- /* if the packets are destined for AP (have a STA entry) send them
- with AP rate policies, otherwise use default basic rates */
- if (control->control.sta)
- tx_attr |= ACX_TX_AP_FULL_RATE << TX_HW_ATTR_OFST_RATE_POLICY;
-
desc->tx_attr = cpu_to_le16(tx_attr);
- wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d", pad);
+ wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d hlid: %d "
+ "tx_attr: 0x%x len: %d life: %d mem: %d", pad, desc->hlid,
+ le16_to_cpu(desc->tx_attr), le16_to_cpu(desc->length),
+ le16_to_cpu(desc->life_time), desc->total_mem_blocks);
}
/* caller must hold wl->mutex */
@@ -153,7 +207,6 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb,
struct ieee80211_tx_info *info;
u32 extra = 0;
int ret = 0;
- u8 idx;
u32 total_len;
if (!skb)
@@ -166,11 +219,15 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb,
extra = WL1271_TKIP_IV_SPACE;
if (info->control.hw_key) {
- idx = info->control.hw_key->hw_key_idx;
+ bool is_wep;
+ u8 idx = info->control.hw_key->hw_key_idx;
+ u32 cipher = info->control.hw_key->cipher;
+
+ is_wep = (cipher == WLAN_CIPHER_SUITE_WEP40) ||
+ (cipher == WLAN_CIPHER_SUITE_WEP104);
- /* FIXME: do we have to do this if we're not using WEP? */
- if (unlikely(wl->default_key != idx)) {
- ret = wl1271_cmd_set_default_wep_key(wl, idx);
+ if (unlikely(is_wep && wl->default_key != idx)) {
+ ret = wl1271_set_default_wep_key(wl, idx);
if (ret < 0)
return ret;
wl->default_key = idx;
@@ -303,7 +360,7 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
woken_up = true;
wl->rate_set = wl1271_tx_enabled_rates_get(wl, sta_rates);
- wl1271_acx_rate_policies(wl);
+ wl1271_acx_sta_rate_policies(wl);
}
while ((skb = wl1271_skb_dequeue(wl))) {
@@ -521,3 +578,21 @@ void wl1271_tx_flush(struct wl1271 *wl)
wl1271_warning("Unable to flush all TX buffers, timed out.");
}
+
+u32 wl1271_tx_min_rate_get(struct wl1271 *wl)
+{
+ int i;
+ u32 rate = 0;
+
+ if (!wl->basic_rate_set) {
+ WARN_ON(1);
+ wl->basic_rate_set = wl->conf.tx.basic_rate;
+ }
+
+ for (i = 0; !rate; i++) {
+ if ((wl->basic_rate_set >> i) & 0x1)
+ rate = 1 << i;
+ }
+
+ return rate;
+}