[U-Boot] [PATCH v3 27/30] net: rtl8169: Honor CONFIG_SYS_RX_ETH_BUFFER

Simon Glass
2014-11-13T01:27:13Z

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 <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
---

Changes in v3: None

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 c3ce175..955b2e1 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

--
2.1.0.rc2.206.gedb03e5