From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH 06/16] e1000/base: add max RX jumbo frame define Date: Wed, 23 Nov 2016 12:22:50 -0500 Message-ID: <1479921780-9813-7-git-send-email-wenzhuo.lu@intel.com> References: <1479921780-9813-1-git-send-email-wenzhuo.lu@intel.com> Cc: Wenzhuo Lu To: dev@dpdk.org Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 762FB47CD for ; Thu, 24 Nov 2016 02:32:11 +0100 (CET) In-Reply-To: <1479921780-9813-1-git-send-email-wenzhuo.lu@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add a define for MAX_RX_JUMBO_FRAME_SIZE to be used by igb as all igb parts (82575 and newer) have 9.5K max jumbo frame as per the datasheet. Signed-off-by: Wenzhuo Lu --- drivers/net/e1000/base/e1000_defines.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/e1000/base/e1000_defines.h b/drivers/net/e1000/base/e1000_defines.h index 69aa1f2..7d70ba6 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 */ -- 1.9.3