[U-Boot] [PATCH 5/7] driver: net: ldpaa: Increase num of buffers for a pool

Prabhakar Kushwaha prabhakar at freescale.com
Thu Dec 24 11:03:25 CET 2015


Management Complex FW 9.0 set the hardware depletion to be 20 buffers
in order to support multiple pools in DPNI. This requires driver to fill
the pool with at least 21 to be able to receive frames.

So, Increase number of buffers for a pool.

Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
---
 drivers/net/ldpaa_eth/ldpaa_eth.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.h b/drivers/net/ldpaa_eth/ldpaa_eth.h
index af41b27..3b16150 100644
--- a/drivers/net/ldpaa_eth/ldpaa_eth.h
+++ b/drivers/net/ldpaa_eth/ldpaa_eth.h
@@ -24,7 +24,7 @@ enum ldpaa_eth_type {
 };
 
 /* Arbitrary values for now, but we'll need to tune */
-#define LDPAA_ETH_NUM_BUFS		(2 * 7)
+#define LDPAA_ETH_NUM_BUFS		(7 * 7)
 #define LDPAA_ETH_REFILL_THRESH		(LDPAA_ETH_NUM_BUFS/2)
 #define LDPAA_ETH_RX_BUFFER_SIZE	2048
 
-- 
1.9.1




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