bnxt_en: Increase RING_IDLE minimum threshold to 50

CCX-Stingray · davem330 · commit 05abe4ddf001 · 2018-04-27T14:47:30.000-04:00
This keeps the RING_IDLE flag set in hardware for higher coalesce
settings by default and improved latency.

Signed-off-by: Andy Gospodarek &lt;gospo@broadcom.com&gt;
Signed-off-by: Michael Chan &lt;michael.chan@broadcom.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7702,7 +7702,7 @@ static void bnxt_init_dflt_coal(struct bnxt *bp)
 	coal->coal_bufs = 30;
 	coal->coal_ticks_irq = 1;
 	coal->coal_bufs_irq = 2;
-	coal->idle_thresh = 25;
+	coal->idle_thresh = 50;
 	coal->bufs_per_record = 2;
 	coal->budget = 64;		/* NAPI budget */
 
