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authorThierry Reding <treding@nvidia.com>2014-08-26 17:34:25 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2014-10-11 01:26:51 +0200
commitd76d31a5c96c27ab2dad16f6f3f7bc05d5c1bd04 (patch)
tree5703618f4ffc4cc7356c695e7391fdddb8c5b963
parent5000d358bee6d9015e09cc581d7707896821c20b (diff)
net: rtl8169: Honor CONFIG_SYS_RX_ETH_BUFFER
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>
-rw-r--r--drivers/net/rtl8169.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c
index c3ce17516c..955b2e1bfc 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