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Date: Tue, 13 Aug 2013 15:29:16 -0700 (PDT) From: David Miller <davem@...emloft.net> To: claudiu.manoil@...escale.com Cc: netdev@...r.kernel.org, bhutchings@...arflare.com, ljaenicke@...ominate.com Subject: Re: [PATCH][net-next v2] gianfar: Add flow control support From: Claudiu Manoil <claudiu.manoil@...escale.com> Date: Mon, 12 Aug 2013 13:53:26 +0300 > eTSEC has Rx and Tx flow control capabilities that may be enabled > through MACCFG1[Rx_Flow, Tx_Flow] bits. These bits must not be set > however when eTSEC is operated in Half-Duplex mode. Unfortunately, > the driver currently sets these bits unconditionally. > This patch adds the proper handling of the PAUSE frame capability > register bits by implementing the ethtool -A interface. When pause > autoneg is enabled, the controller uses the phy's capability to > negotiate PAUSE frame settings with the link partner and reconfigures > its Rx_Flow and Tx_Flow settings to match the capabilities of the > link partner. If pause autoneg is off, the PAUSE frame generation > may be forced manually (ethtool -A). Flow control is disabled by > default now. > This implementation is inspired by the tg3 driver. > > Signed-off-by: Lutz Jaenicke <ljaenicke@...ominate.com> > Signed-off-by: Claudiu Manoil <claudiu.manoil@...escale.com> Applied to net-next, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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