wil6210: RX high threshold interrupt configuration

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / ath / wil6210 / main.c

diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index d28615369d20d8f6e44f9e0783a04926a9eb30dd..f44b640dff79058ed0690cbc69ff4dc068f0c6ed 100644 (file)
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -61,6 +61,13 @@ module_param(rx_max_burst_duration, uint, S_IRUGO);
 MODULE_PARM_DESC(rx_max_burst_duration,
                 " Interrupt moderation RX max burst duration, usecs.");
 
+/* if not set via modparam, will be set to default value of 1/8 of
+ * rx ring size during init flow
+ */
+unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT;
+module_param(rx_ring_overflow_thrsh, ushort, S_IRUGO);
+MODULE_PARM_DESC(rx_ring_overflow_thrsh,
+                " RX ring overflow threshold in descriptors.");
 
 /* We allow allocation of more than 1 page buffers to support large packets.
  * It is suboptimal behavior performance wise in case MTU above page size.
@@ -456,6 +463,8 @@ int wil_priv_init(struct wil6210_priv *wil)
        wil->tx_max_burst_duration = tx_max_burst_duration;
        wil->rx_max_burst_duration = rx_max_burst_duration;
 
+       if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT)
+               rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT;
        return 0;
 
 out_wmi_wq: