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path: root/drivers/net/wireless/silabs/wfx/hif_tx.c
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Diffstat (limited to 'drivers/net/wireless/silabs/wfx/hif_tx.c')
-rw-r--r--drivers/net/wireless/silabs/wfx/hif_tx.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/wireless/silabs/wfx/hif_tx.c b/drivers/net/wireless/silabs/wfx/hif_tx.c
index 9402503fbde3..9f403d275cb1 100644
--- a/drivers/net/wireless/silabs/wfx/hif_tx.c
+++ b/drivers/net/wireless/silabs/wfx/hif_tx.c
@@ -45,6 +45,24 @@ static void *wfx_alloc_hif(size_t body_len, struct wfx_hif_msg **hif)
return NULL;
}
+static u32 wfx_rate_mask_to_hw(struct wfx_dev *wdev, u32 rates)
+{
+ int i;
+ u32 ret = 0;
+ /* The device only supports 2GHz */
+ struct ieee80211_supported_band *sband = wdev->hw->wiphy->bands[NL80211_BAND_2GHZ];
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if (rates & BIT(i)) {
+ if (i >= sband->n_bitrates)
+ dev_warn(wdev->dev, "unsupported basic rate\n");
+ else
+ ret |= BIT(sband->bitrates[i].hw_value);
+ }
+ }
+ return ret;
+}
+
int wfx_cmd_send(struct wfx_dev *wdev, struct wfx_hif_msg *request,
void *reply, size_t reply_len, bool no_reply)
{
@@ -220,6 +238,31 @@ int wfx_hif_write_mib(struct wfx_dev *wdev, int vif_id, u16 mib_id, void *val, s
return ret;
}
+/* Hijack scan request to implement Remain-On-Channel */
+int wfx_hif_scan_uniq(struct wfx_vif *wvif, struct ieee80211_channel *chan, int duration)
+{
+ int ret;
+ struct wfx_hif_msg *hif;
+ size_t buf_len = sizeof(struct wfx_hif_req_start_scan_alt) + sizeof(u8);
+ struct wfx_hif_req_start_scan_alt *body = wfx_alloc_hif(buf_len, &hif);
+
+ if (!hif)
+ return -ENOMEM;
+ body->num_of_ssids = HIF_API_MAX_NB_SSIDS;
+ body->maintain_current_bss = 1;
+ body->disallow_ps = 1;
+ body->tx_power_level = cpu_to_le32(chan->max_power);
+ body->num_of_channels = 1;
+ body->channel_list[0] = chan->hw_value;
+ body->max_transmit_rate = API_RATE_INDEX_B_1MBPS;
+ body->min_channel_time = cpu_to_le32(duration);
+ body->max_channel_time = cpu_to_le32(duration * 110 / 100);
+ wfx_fill_header(hif, wvif->id, HIF_REQ_ID_START_SCAN, buf_len);
+ ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
+ kfree(hif);
+ return ret;
+}
+
int wfx_hif_scan(struct wfx_vif *wvif, struct cfg80211_scan_request *req,
int chan_start_idx, int chan_num)
{