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net: rtl8169: Honor CONFIG_SYS_RX_ETH_BUFFER

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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>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding 2014-12-09 22:25:24 -07:00 committed by Tom Warren
parent d1e5b4065e
commit c94bbfdf51
1 changed files with 5 additions and 1 deletions
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6
drivers/net/rtl8169.c
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@ -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