From c6c8a65de6d3aa8daa93beeac390f49a21d0be36 Mon Sep 17 00:00:00 2001
From: Arik Nemtsov <arik@wizery.com>
Date: Sat, 16 Oct 2010 20:27:53 +0200
Subject: wl12xx: AP mode - changes in TX path
When in AP mode set appropriate HLID and rate policy for each skb.
Respond to supported-rates related changes in op_tx only when acting
as STA.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
---
drivers/net/wireless/wl12xx/tx.c | 55 +++++++++++++++++++++++++++++++++-------
1 file changed, 46 insertions(+), 9 deletions(-)
(limited to 'drivers/net/wireless/wl12xx/tx.c')
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index a93fc4702f3..3245c240cbd 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"
@@ -99,7 +100,7 @@ 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 +118,11 @@ 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 +130,41 @@ 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 +175,12 @@ 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, (int)desc->hlid,
+ (int)desc->tx_attr, (int)desc->length, (int)desc->life_time,
+ (int)desc->total_mem_blocks);
}
/* caller must hold wl->mutex */
--
cgit v1.2.3-70-g09d2