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path: root/drivers/net/wireless/ti/wlcore/rx.c
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Diffstat (limited to 'drivers/net/wireless/ti/wlcore/rx.c')
-rw-r--r--drivers/net/wireless/ti/wlcore/rx.c71
1 files changed, 37 insertions, 34 deletions
diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index 6791a1a6afba..307fab21050b 100644
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -1,24 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This file is part of wl1271
*
* Copyright (C) 2009 Nokia Corporation
*
* Contact: Luciano Coelho <luciano.coelho@nokia.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
*/
#include <linux/gfp.h>
@@ -59,22 +45,29 @@ static u32 wlcore_rx_get_align_buf_size(struct wl1271 *wl, u32 pkt_len)
static void wl1271_rx_status(struct wl1271 *wl,
struct wl1271_rx_descriptor *desc,
struct ieee80211_rx_status *status,
- u8 beacon)
+ u8 beacon, u8 probe_rsp)
{
memset(status, 0, sizeof(struct ieee80211_rx_status));
if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG)
- status->band = IEEE80211_BAND_2GHZ;
+ status->band = NL80211_BAND_2GHZ;
else
- status->band = IEEE80211_BAND_5GHZ;
+ status->band = NL80211_BAND_5GHZ;
status->rate_idx = wlcore_rate_to_idx(wl, desc->rate, status->band);
/* 11n support */
if (desc->rate <= wl->hw_min_ht_rate)
- status->flag |= RX_FLAG_HT;
+ status->encoding = RX_ENC_HT;
- status->signal = desc->rssi;
+ /*
+ * Read the signal level and antenna diversity indication.
+ * The msb in the signal level is always set as it is a
+ * negative number.
+ * The antenna indication is the msb of the rssi.
+ */
+ status->signal = ((desc->rssi & RSSI_LEVEL_BITMASK) | BIT(7));
+ status->antenna = ((desc->rssi & ANT_DIVERSITY_BITMASK) >> 7);
/*
* FIXME: In wl1251, the SNR should be divided by two. In wl1271 we
@@ -99,6 +92,9 @@ static void wl1271_rx_status(struct wl1271 *wl,
}
}
+ if (beacon || probe_rsp)
+ status->boottime_ns = ktime_get_boottime_ns();
+
if (beacon)
wlcore_set_pending_regdomain_ch(wl, (u16)desc->channel,
status->band);
@@ -110,7 +106,6 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
struct wl1271_rx_descriptor *desc;
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
- u8 *buf;
u8 beacon = 0;
u8 is_data = 0;
u8 reserved = 0, offset_to_data = 0;
@@ -142,7 +137,6 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
if (desc->packet_class == WL12XX_RX_CLASS_LOGGER) {
size_t len = length - sizeof(*desc);
wl12xx_copy_fwlog(wl, data + sizeof(*desc), len);
- wake_up_interruptible(&wl->fwlog_waitq);
return 0;
}
@@ -168,15 +162,13 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
/* reserve the unaligned payload(if any) */
skb_reserve(skb, reserved);
- buf = skb_put(skb, pkt_data_len);
-
/*
* Copy packets from aggregation buffer to the skbs without rx
* descriptor and with packet payload aligned care. In case of unaligned
* packets copy the packets in offset of 2 bytes guarantee IP header
* payload aligned to 4 bytes.
*/
- memcpy(buf, data + sizeof(*desc), pkt_data_len);
+ skb_put_data(skb, data + sizeof(*desc), pkt_data_len);
if (rx_align == WLCORE_RX_BUF_PADDED)
skb_pull(skb, RX_BUF_ALIGN);
@@ -188,7 +180,8 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
if (ieee80211_is_data_present(hdr->frame_control))
is_data = 1;
- wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon);
+ wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon,
+ ieee80211_is_probe_resp(hdr->frame_control));
wlcore_hw_set_rx_csum(wl, desc, skb);
seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
@@ -203,9 +196,9 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
return is_data;
}
-int wlcore_rx(struct wl1271 *wl, struct wl_fw_status_1 *status)
+int wlcore_rx(struct wl1271 *wl, struct wl_fw_status *status)
{
- unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
+ unsigned long active_hlids[BITS_TO_LONGS(WLCORE_MAX_LINKS)] = {0};
u32 buf_size;
u32 fw_rx_counter = status->fw_rx_counter % wl->num_rx_desc;
u32 drv_rx_counter = wl->rx_counter % wl->num_rx_desc;
@@ -216,6 +209,13 @@ int wlcore_rx(struct wl1271 *wl, struct wl_fw_status_1 *status)
enum wl_rx_buf_align rx_align;
int ret = 0;
+ /* update rates per link */
+ hlid = status->counters.hlid;
+
+ if (hlid < WLCORE_MAX_LINKS)
+ wl->links[hlid].fw_rate_mbps =
+ status->counters.tx_last_rate_mbps;
+
while (drv_rx_counter != fw_rx_counter) {
buf_size = 0;
rx_counter = drv_rx_counter;
@@ -263,12 +263,12 @@ int wlcore_rx(struct wl1271 *wl, struct wl_fw_status_1 *status)
wl->aggr_buf + pkt_offset,
pkt_len, rx_align,
&hlid) == 1) {
- if (hlid < WL12XX_MAX_LINKS)
+ if (hlid < wl->num_links)
__set_bit(hlid, active_hlids);
else
WARN(1,
- "hlid exceeded WL12XX_MAX_LINKS "
- "(%d)\n", hlid);
+ "hlid (%d) exceeded MAX_LINKS\n",
+ hlid);
}
wl->rx_counter++;
@@ -302,7 +302,7 @@ int wl1271_rx_filter_enable(struct wl1271 *wl,
{
int ret;
- if (wl->rx_filter_enabled[index] == enable) {
+ if (!!test_bit(index, wl->rx_filter_enabled) == enable) {
wl1271_warning("Request to enable an already "
"enabled rx filter %d", index);
return 0;
@@ -316,7 +316,10 @@ int wl1271_rx_filter_enable(struct wl1271 *wl,
return ret;
}
- wl->rx_filter_enabled[index] = enable;
+ if (enable)
+ __set_bit(index, wl->rx_filter_enabled);
+ else
+ __clear_bit(index, wl->rx_filter_enabled);
return 0;
}
@@ -326,7 +329,7 @@ int wl1271_rx_filter_clear_all(struct wl1271 *wl)
int i, ret = 0;
for (i = 0; i < WL1271_MAX_RX_FILTERS; i++) {
- if (!wl->rx_filter_enabled[i])
+ if (!test_bit(i, wl->rx_filter_enabled))
continue;
ret = wl1271_rx_filter_enable(wl, i, 0, NULL);
if (ret)