From 20fb0572826b8dca465ad97b0b7eddd78bafb7ae Mon Sep 17 00:00:00 2001 From: Ioana Ciocoi Radulescu Date: Mon, 4 Feb 2019 17:00:37 +0000 Subject: dpaa2-eth: Update buffer pool refill threshold Add more buffers to the Rx buffer pool as soon as 7 of them get consumed, instead of waiting for their number to drop below a fixed threshold. 7 is the number of buffers that can be released in the pool via a single DPIO command. Signed-off-by: Ioana Radulescu Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/freescale') diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index 3e29dece51e4..9510928b7cca 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -53,7 +53,8 @@ */ #define DPAA2_ETH_MAX_FRAMES_PER_QUEUE (DPAA2_ETH_TAILDROP_THRESH / 64) #define DPAA2_ETH_NUM_BUFS (DPAA2_ETH_MAX_FRAMES_PER_QUEUE + 256) -#define DPAA2_ETH_REFILL_THRESH DPAA2_ETH_MAX_FRAMES_PER_QUEUE +#define DPAA2_ETH_REFILL_THRESH \ + (DPAA2_ETH_NUM_BUFS - DPAA2_ETH_BUFS_PER_CMD) /* Maximum number of buffers that can be acquired/released through a single * QBMan command -- cgit v1.2.3-59-g8ed1b