From: Thierry Reding treding@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 treding@nvidia.com Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v4: None 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