From: Wenzhuo Lu <wenzhuo.lu@intel.com>
Date: Wed, 23 Nov 2016 17:22:50 +0000 (-0500)
Subject: net/e1000/base: define max Rx jumbo frame size
X-Git-Tag: spdx-start~5113
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=e181c962411e862313ab461e3a4689a9441e17fa;p=dpdk.git

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

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>
---

diff --git a/drivers/net/e1000/base/e1000_defines.h b/drivers/net/e1000/base/e1000_defines.h
index 69aa1f2303..7d70ba6bac 100644
--- a/drivers/net/e1000/base/e1000_defines.h
+++ b/drivers/net/e1000/base/e1000_defines.h
@@ -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 */