- 14 Mar, 2013 9 commits
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Santosh Rastapur authored
Signed-off-by:
Santosh Rastapur <santosh@chelsio.com> Signed-off-by:
Vipul Pandya <vipul@chelsio.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Santosh Rastapur authored
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Santosh Rastapur authored
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Santosh Rastapur authored
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Santosh Rastapur authored
This patch implements a low latency Write Combining (aka Write Coalescing) work request path. PCIE maps User Space Doorbell BAR2 region writes to the new interface to SGE. SGE pulls a new message from PCIE new interface and if its a coalesced write work request then pushes it for processing. This patch copies coalesced work request to memory mapped BAR2 space. Signed-off-by:
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Santosh Rastapur authored
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Santosh Rastapur authored
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Santosh Rastapur authored
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Santosh Rastapur authored
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- 13 Mar, 2013 10 commits
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Wei Yongjun authored
The variable dev is initialized but never used otherwise, so remove the unused variable. Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by:
Neil Horman <nhorman@tuxdriver.com> Signed-off-by:
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Wei Yongjun authored
Remove duplicated include. Signed-off-by:
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Shahed Shaikh authored
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Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by:
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Himanshu Madhani authored
QLogic applications use these callbacks to perform o NIC Partitioning (NPAR) configuration and management o Diagnostic tests o Flash access and updates Signed-off-by:
Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by:
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David S. Miller authored
Mugunthan V N says: ==================== This patch serires implements the following features in CPSW driver * get/set phy link settings * interrupt pacing * get phy id via ioctl cmd SIOCGMIIPHY Changes from initial version * Made active-slave common for cpts, ethtool and SIOCGMIIPHY ioctl * Cleaned CPSW DT binding documentation by seperating slave nodes under sub-section * implemented get phy id via ioctl cmd SIOCGMIIPHY ==================== Signed-off-by: -
Mugunthan V N authored
Implement get phy_id via ioctl SIOCGMIIPHY. In switch mode active phy_id is returned and in dual EMAC mode slave's specific phy_id is returned. Signed-off-by:
Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by:
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Mugunthan V N authored
This patch implements support for interrupt pacing block of CPSW via ethtool Inetrrupt pacing block is common of both the ethernet interface in dual emac mode Signed-off-by:
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Mugunthan V N authored
This patch implements get/set of the phy settings via ethtool apis Signed-off-by:
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Mugunthan V N authored
Change cpts_active_slave to active_slave so that the same DT property can be used to ethtool and SIOCGMIIPHY. CC: Richard Cochran <richardcochran@gmail.com> Signed-off-by:
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Mugunthan V N authored
Move all the slave note properties to separate section to reduce the confusion between slave note properties and cpsw node properties Signed-off-by:
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- 12 Mar, 2013 21 commits
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David J. Choi authored
Implement to collect ethernet statistical information on ks8851_mll device. Signed-off-by:
David J. Choi <david.choi@micrel.com> Signed-off-by:
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Zhang Yanfei authored
remove cast for kmalloc/kzalloc return value. Signed-off-by:
Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: netdev@vger.kernel.org Signed-off-by:
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Zhang Yanfei authored
remove cast for kmalloc return value. Signed-off-by:
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Michael Stapelberg authored
This has been tested on a qnap TS-119P II. Note that enabling WOL with "ethtool -s eth0 wol g" is not enough; you also need to tell the PIC microcontroller inside the qnap that WOL should be enabled by sending 0xF2 with qcontrol(1) and you have to disable EUP ("Energy-using Products", a European power-saving thing) by sending 0xF4. Signed-off-by:Michael Stapelberg <michael@stapelberg.de> Signed-off-by:
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Michael Stapelberg authored
This allows ethernet drivers (such as the mv643xx_eth) to support Wake on LAN on platforms where PHY registers have to be configured for Wake on LAN (e.g. the Marvell Kirkwood based qnap TS-119P II). Signed-off-by:
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Nandita Dukkipati authored
This is the second of the TLP patch series; it augments the basic TLP algorithm with a loss detection scheme. This patch implements a mechanism for loss detection when a Tail loss probe retransmission plugs a hole thereby masking packet loss from the sender. The loss detection algorithm relies on counting TLP dupacks as outlined in Sec. 3 of: http://tools.ietf.org/html/draft-dukkipati-tcpm-tcp-loss-probe-01 The basic idea is: Sender keeps track of TLP "episode" upon retransmission of a TLP packet. An episode ends when the sender receives an ACK above the SND.NXT (tracked by tlp_high_seq) at the time of the episode. We want to make sure that before the episode ends the sender receives a "TLP dupack", indicating that the TLP retransmission was unnecessary, so there was no loss/hole that needed plugging. If the sender gets no TLP dupack before the end of the episode, then it reduces ssthresh and the congestion window, because the TLP packet arriving at the receiver probably plugged a hole. Signed-off-by:
Nandita Dukkipati <nanditad@google.com> Acked-by:
Neal Cardwell <ncardwell@google.com> Signed-off-by:
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Nandita Dukkipati authored
This patch series implement the Tail loss probe (TLP) algorithm described in http://tools.ietf.org/html/draft-dukkipati-tcpm-tcp-loss-probe-01. The first patch implements the basic algorithm. TLP's goal is to reduce tail latency of short transactions. It achieves this by converting retransmission timeouts (RTOs) occuring due to tail losses (losses at end of transactions) into fast recovery. TLP transmits one packet in two round-trips when a connection is in Open state and isn't receiving any ACKs. The transmitted packet, aka loss probe, can be either new or a retransmission. When there is tail loss, the ACK from a loss probe triggers FACK/early-retransmit based fast recovery, thus avoiding a costly RTO. In the absence of loss, there is no change in the connection state. PTO stands for probe timeout. It is a timer event indicating that an ACK is overdue and triggers a loss probe packet. The PTO value is set to max(2*SRTT, 10ms) and is adjusted to account for delayed ACK timer when there is only one oustanding packet. TLP Algorithm On transmission of new data in Open state: -> packets_out > 1: schedule PTO in max(2*SRTT, 10ms). -> packets_out == 1: schedule PTO in max(2*RTT, 1.5*RTT + 200ms) -> PTO = min(PTO, RTO) Conditions for scheduling PTO: -> Connection is in Open state. -> Connection is either cwnd limited or no new data to send. -> Number of probes per tail loss episode is limited to one. -> Connection is SACK enabled. When PTO fires: new_segment_exists: -> transmit new segment. -> packets_out++. cwnd remains same. no_new_packet: -> retransmit the last segment. Its ACK triggers FACK or early retransmit based recovery. ACK path: -> rearm RTO at start of ACK processing. -> reschedule PTO if need be. In addition, the patch includes a small variation to the Early Retransmit (ER) algorithm, such that ER and TLP together can in principle recover any N-degree of tail loss through fast recovery. TLP is controlled by the same sysctl as ER, tcp_early_retrans sysctl. tcp_early_retrans==0; disables TLP and ER. ==1; enables RFC5827 ER. ==2; delayed ER. ==3; TLP and delayed ER. [DEFAULT] ==4; TLP only. The TLP patch series have been extensively tested on Google Web servers. It is most effective for short Web trasactions, where it reduced RTOs by 15% and improved HTTP response time (average by 6%, 99th percentile by 10%). The transmitted probes account for <0.5% of the overall transmissions. Signed-off-by:
Yuchung Cheng <ycheng@google.com> Signed-off-by:
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Fabio Estevam authored
Using devm_request_and_ioremap() can make the code cleaner and simpler. Signed-off-by:
Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by:
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Fabio Estevam authored
PCI header is not needed, so get rid of it. Signed-off-by:
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Wei Yongjun authored
Using for_each_set_bit() to simplify the code. Signed-off-by:
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Wei Yongjun authored
Using for_each_set_bit_from() to simplify the code. Signed-off-by:
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Wei Yongjun authored
Using list_move() instead of list_del() + list_add(). Signed-off-by:
Ariel Elior <ariele@broadcom.com> Signed-off-by:
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Wei Yongjun authored
Remove duplicated include. Signed-off-by:
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Dmitry Kravkov authored
bnx2x FW 1.78.17 properly supports DCBX configuration for 4-port devices, enabling FCoE support on 57840 boards. Signed-off-by:
Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by:
Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by:
Eilon Greenstein <eilong@broadcom.com> Signed-off-by:
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Dmitry Kravkov authored
Update appropriate HSI files and adapt driver accordingly. Signed-off-by:
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Yuval Mintz authored
Prevent bnx2x devices which are used mainly for storage from using zero MAC addresses as their primary MAC address. Signed-off-by:
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Yaniv Rosner authored
Configure SFP+ tap values to optimize link signal according to NVRAM setup. Signed-off-by:
Yaniv Rosner <yanivr@broadcom.com> Signed-off-by:
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Yaniv Rosner authored
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Yaniv Rosner authored
Add RJ45 SFP module detection. In case the user set 10G link speed, and the module doesn't support it, then force the speed to 1G and notify the user. Signed-off-by:
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Yuval Mintz authored
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Ariel Elior authored
1. Support sysfs interface for getting the maximal number of virtual functions of a given physical function. 2. Support sysfs interface for getting and setting the current number of virtual functions. Signed-off-by:
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