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net/e1000/base: define max Rx jumbo frame size

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Add definition MAX_RX_JUMBO_FRAME_SIZE for igb.

All igb parts (82575 and newer) have 9.5K max jumbo frame size.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
This commit is contained in:
Wenzhuo Lu 2016-11-23 12:22:50 -05:00 committed by Ferruh Yigit
parent ecab0e4d5b
commit e181c96241
1 changed files with 2 additions and 0 deletions
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drivers/net/e1000/base/e1000_defines.h
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@ -468,6 +468,8 @@ POSSIBILITY OF SUCH DAMAGE.
#define ETHERNET_FCS_SIZE 4
#define MAX_JUMBO_FRAME_SIZE 0x3F00
/* The datasheet maximum supported RX size is 9.5KB (9728 bytes) */
#define MAX_RX_JUMBO_FRAME_SIZE 0x2600
#define E1000_TX_PTR_GAP 0x1F
/* Extended Configuration Control and Size */