From: Thierry Reding <tred...@nvidia.com>
According to the top-level README file, this configuration setting can
be used to override the number of receive buffers that an ethernet NIC
uses.
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
drivers/net/rtl8169.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c
index d040ab171bf5..c3eb474f0fba 100644
--- a/drivers/net/rtl8169.c
+++ b/drivers/net/rtl8169.c
@@ -79,7 +79,11 @@ static int media[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1,
-1 };
#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
#define NUM_TX_DESC 1 /* Number of Tx descriptor registers */
-#define NUM_RX_DESC 4 /* Number of Rx descriptor registers */
+#ifdef CONFIG_SYS_RX_ETH_BUFFER
+ #define NUM_RX_DESC CONFIG_SYS_RX_ETH_BUFFER
+#else
+ #define NUM_RX_DESC 4 /* Number of Rx descriptor registers */
+#endif
#define RX_BUF_SIZE 1536 /* Rx Buffer size */
#define RX_BUF_LEN 8192
--
2.0.4
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