wl12xx: add support for rx streaming
wl12xx supports the "rx streaming" feature: When in ps mode, and @timeout msecs have been passed since the last rx/tx, it issues trigger packets (QoS-null/PS-Poll packets, according to the ac type) in const intervals (in order to reduce the rx time). Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
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4 changed files with 91 additions and 0 deletions
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@ -1577,6 +1577,53 @@ out:
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return ret;
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}
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int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable)
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{
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struct wl1271_acx_ps_rx_streaming *rx_streaming;
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u32 conf_queues, enable_queues;
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int i, ret = 0;
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wl1271_debug(DEBUG_ACX, "acx ps rx streaming");
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rx_streaming = kzalloc(sizeof(*rx_streaming), GFP_KERNEL);
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if (!rx_streaming) {
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ret = -ENOMEM;
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goto out;
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}
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conf_queues = wl->conf.rx_streaming.queues;
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if (enable)
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enable_queues = conf_queues;
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else
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enable_queues = 0;
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for (i = 0; i < 8; i++) {
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/*
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* Skip non-changed queues, to avoid redundant acxs.
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* this check assumes conf.rx_streaming.queues can't
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* be changed while rx_streaming is enabled.
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*/
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if (!(conf_queues & BIT(i)))
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continue;
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rx_streaming->tid = i;
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rx_streaming->enable = enable_queues & BIT(i);
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rx_streaming->period = wl->conf.rx_streaming.interval;
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rx_streaming->timeout = wl->conf.rx_streaming.interval;
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ret = wl1271_cmd_configure(wl, ACX_PS_RX_STREAMING,
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rx_streaming,
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sizeof(*rx_streaming));
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if (ret < 0) {
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wl1271_warning("acx ps rx streaming failed: %d", ret);
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goto out;
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}
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}
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out:
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kfree(rx_streaming);
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return ret;
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}
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int wl1271_acx_max_tx_retry(struct wl1271 *wl)
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{
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struct wl1271_acx_max_tx_retry *acx = NULL;
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@ -1153,6 +1153,19 @@ struct wl1271_acx_fw_tsf_information {
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u8 padding[3];
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} __packed;
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struct wl1271_acx_ps_rx_streaming {
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struct acx_header header;
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u8 tid;
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u8 enable;
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/* interval between triggers (10-100 msec) */
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u8 period;
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/* timeout before first trigger (0-200 msec) */
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u8 timeout;
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} __packed;
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struct wl1271_acx_max_tx_retry {
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struct acx_header header;
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@ -1384,6 +1397,7 @@ int wl1271_acx_set_ba_session(struct wl1271 *wl,
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int wl1271_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index, u16 ssn,
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bool enable);
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int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
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int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable);
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int wl1271_acx_max_tx_retry(struct wl1271 *wl);
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int wl1271_acx_config_ps(struct wl1271 *wl);
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int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr);
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@ -1248,6 +1248,30 @@ struct conf_fm_coex {
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u8 swallow_clk_diff;
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};
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struct conf_rx_streaming_settings {
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/*
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* RX Streaming duration (in msec) from last tx/rx
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*
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* Range: u32
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*/
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u32 duration;
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/*
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* Bitmap of tids to be polled during RX streaming.
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* (Note: it doesn't look like it really matters)
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*
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* Range: 0x1-0xff
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*/
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u8 queues;
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/*
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* RX Streaming interval.
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* (Note:this value is also used as the rx streaming timeout)
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* Range: 0 (disabled), 10 - 100
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*/
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u8 interval;
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};
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struct conf_drv_settings {
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struct conf_sg_settings sg;
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struct conf_rx_settings rx;
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@ -1263,6 +1287,7 @@ struct conf_drv_settings {
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struct conf_memory_settings mem_wl127x;
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struct conf_memory_settings mem_wl128x;
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struct conf_fm_coex fm_coex;
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struct conf_rx_streaming_settings rx_streaming;
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u8 hci_io_ds;
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};
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@ -362,6 +362,11 @@ static struct conf_drv_settings default_conf = {
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.fm_disturbed_band_margin = 0xff, /* default */
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.swallow_clk_diff = 0xff, /* default */
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},
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.rx_streaming = {
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.duration = 150,
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.queues = 0x1,
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.interval = 20,
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},
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.hci_io_ds = HCI_IO_DS_6MA,
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};
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