From mboxrd@z Thu Jan 1 00:00:00 1970 From: Giuseppe CAVALLARO Subject: [net-next 3/7] stmmac: update the driver version and doc (V3) Date: Tue, 18 Oct 2011 10:42:07 +0200 Message-ID: <1318927331-20855-4-git-send-email-peppe.cavallaro@st.com> References: <1318927331-20855-1-git-send-email-peppe.cavallaro@st.com> Cc: davem@davemloft.net, Giuseppe Cavallaro To: netdev@vger.kernel.org Return-path: Received: from eu1sys200aog107.obsmtp.com ([207.126.144.123]:45191 "EHLO eu1sys200aog107.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751318Ab1JRIp6 (ORCPT ); Tue, 18 Oct 2011 04:45:58 -0400 In-Reply-To: <1318927331-20855-1-git-send-email-peppe.cavallaro@st.com> Sender: netdev-owner@vger.kernel.org List-ID: Signed-off-by: Giuseppe Cavallaro --- Documentation/networking/stmmac.txt | 11 ++++++++++- drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 +- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/Documentation/networking/stmmac.txt b/Documentation/networking/stmmac.txt index 40ec92c..8d67980 100644 --- a/Documentation/networking/stmmac.txt +++ b/Documentation/networking/stmmac.txt @@ -76,7 +76,16 @@ core. 4.5) DMA descriptors Driver handles both normal and enhanced descriptors. The latter has been only -tested on DWC Ether MAC 10/100/1000 Universal version 3.41a. +tested on DWC Ether MAC 10/100/1000 Universal version 3.41a and later. + +STMMAC supports DMA descriptor to operate both in dual buffer (RING) +and linked-list(CHAINED) mode. In RING each descriptor points to two +data buffer pointers whereas in CHAINED mode they point to only one data +buffer pointer. RING mode is the default. + +In CHAINED mode each descriptor will have pointer to next descriptor in +the list, hence creating the explicit chaining in the descriptor itself, +whereas such explicit chaining is not possible in RING mode. 4.6) Ethtool support Ethtool is supported. Driver statistics and internal errors can be taken using: diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 50e95d8..49a4af3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -20,7 +20,7 @@ Author: Giuseppe Cavallaro *******************************************************************************/ -#define DRV_MODULE_VERSION "Aug_2011" +#define DRV_MODULE_VERSION "Oct_2011" #include #include "common.h" -- 1.7.4.4