- 11 3月, 2014 16 次提交
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由 Alexander Aring 提交于
Correct offset is 3 of the 6lowpanfrag_max_datagram_size value in proc entry ctl table and not 2. Signed-off-by: NAlexander Aring <alex.aring@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
K. Y. Srinivasan says: ==================== Drivers: net: hyperv: Enable various offloads This patch set enables both checksum as well as segmentation offload. As part of this effort I have enabled scatter gather I/O a well. In version 2 of these patches, I addressed comments from David Miller and Dan Carpenter. In this version I have addressed the latest comments from David Miller. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 KY Srinivasan 提交于
Enable segmentation offload. Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com> Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 KY Srinivasan 提交于
Enable send side checksum offload. Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com> Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 KY Srinivasan 提交于
Enable receive side checksum offload. Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com> Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 KY Srinivasan 提交于
Prior to enabling guest side offloads, enable the offloads on the host. Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com> Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 KY Srinivasan 提交于
In preparation for enabling offloads, cleanup the send path. Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com> Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 KY Srinivasan 提交于
Cleanup the code and enable scatter gather I/O. Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com> Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tim Harvey 提交于
The driver reads the mac address from the device registers which would need to have been programmed by the bootloader. This patch adds the ability to pull the mac from devicetree via the pci device dt node. Signed-off-by: NTim Harvey <tharvey@gateworks.com> Cc: netdev@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Changes since v2: - eliminated use of stack tmpaddr per feedback Changes since v1: - simplified based on feedback - fixed formatting Acked-by: NRob Herring <robh@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
net/l2tp/l2tp_core.c:1111:15: warning: unused variable 'sk' [-Wunused-variable] Fixes: 31c70d59 ("l2tp: keep original skb ownership") Reported-by: Nkbuild test robot <fengguang.wu@intel.com> Signed-off-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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The call to mlx5_health_cleanup() in the module init function can never be reached. Removing it. Signed-off-by: NKleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> Acked-by: NEli Cohen <eli@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
One known problem with netlink is the fact that NLMSG_GOODSIZE is really small on PAGE_SIZE==4096 architectures, and it is difficult to know in advance what buffer size is used by the application. This patch adds an automatic learning of the size. First netlink message will still be limited to ~4K, but if user used bigger buffers, then following messages will be able to use up to 16KB. This speedups dump() operations by a large factor and should be safe for legacy applications. Signed-off-by: NEric Dumazet <edumazet@google.com> Cc: Thomas Graf <tgraf@suug.ch> Acked-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Edward Cree 提交于
Faster than memcpy/memset on some architectures. Signed-off-by: NEdward Cree <ecree@solarflare.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Claudiu Manoil says: ==================== gianfar: Tx timeout issue There's an older Tx timeout issue showing up on etsec2 devices with 2 CPUs. I pinned this issue down to processing overhead incurred by supporting multiple Tx/Rx rings, as explained in the 2nd patch below. But before this, there's also a concurency issue leading to Rx/Tx spurrious interrupts, addressed by the 'Tx NAPI' patch below. The Tx timeout can be triggered with multiple Tx flows, 'iperf -c -N 8' commands, on a 2 CPUs etsec2 based (P1020) board. Before the patches: """ root@p1020rdb-pc:~# iperf -c 172.16.1.3 -n 1000M -P 8 & [...] root@p1020rdb-pc:~# NETDEV WATCHDOG: eth1 (fsl-gianfar): transmit queue 1 timed out WARNING: at net/sched/sch_generic.c:279 Modules linked in: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.13.0-rc3-03386-g89ea59c #23 task: ed84ef40 ti: ed868000 task.ti: ed868000 NIP: c04627a8 LR: c04627a8 CTR: c02fb270 REGS: ed869d00 TRAP: 0700 Not tainted (3.13.0-rc3-03386-g89ea59c) MSR: 00029000 <CE,EE,ME> CR: 44000022 XER: 20000000 [...] root@p1020rdb-pc:~# [ ID] Interval Transfer Bandwidth [ 5] 0.0-19.3 sec 1000 MBytes 434 Mbits/sec [ 8] 0.0-39.7 sec 1000 MBytes 211 Mbits/sec [ 9] 0.0-40.1 sec 1000 MBytes 209 Mbits/sec [ 3] 0.0-40.2 sec 1000 MBytes 209 Mbits/sec [ 10] 0.0-59.0 sec 1000 MBytes 142 Mbits/sec [ 7] 0.0-74.6 sec 1000 MBytes 112 Mbits/sec [ 6] 0.0-74.7 sec 1000 MBytes 112 Mbits/sec [ 4] 0.0-74.7 sec 1000 MBytes 112 Mbits/sec [SUM] 0.0-74.7 sec 7.81 GBytes 898 Mbits/sec root@p1020rdb-pc:~# ifconfig eth1 eth1 Link encap:Ethernet HWaddr 00:04:9f:00:13:01 inet addr:172.16.1.1 Bcast:172.16.255.255 Mask:255.255.0.0 inet6 addr: fe80::204:9fff:fe00:1301/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:708722 errors:0 dropped:0 overruns:0 frame:0 TX packets:8717849 errors:6 dropped:0 overruns:1470 carrier:0 collisions:0 txqueuelen:1000 RX bytes:58118018 (55.4 MiB) TX bytes:274069482 (261.3 MiB) Base address:0xa000 """ After applying the patches: """ root@p1020rdb-pc:~# iperf -c 172.16.1.3 -n 1000M -P 8 & [...] root@p1020rdb-pc:~# [ ID] Interval Transfer Bandwidth [ 9] 0.0-70.5 sec 1000 MBytes 119 Mbits/sec [ 5] 0.0-70.5 sec 1000 MBytes 119 Mbits/sec [ 6] 0.0-70.7 sec 1000 MBytes 119 Mbits/sec [ 4] 0.0-71.0 sec 1000 MBytes 118 Mbits/sec [ 8] 0.0-71.1 sec 1000 MBytes 118 Mbits/sec [ 3] 0.0-71.2 sec 1000 MBytes 118 Mbits/sec [ 10] 0.0-71.3 sec 1000 MBytes 118 Mbits/sec [ 7] 0.0-71.3 sec 1000 MBytes 118 Mbits/sec [SUM] 0.0-71.3 sec 7.81 GBytes 942 Mbits/sec root@p1020rdb-pc:~# ifconfig eth1 eth1 Link encap:Ethernet HWaddr 00:04:9f:00:13:01 inet addr:172.16.1.1 Bcast:172.16.255.255 Mask:255.255.0.0 inet6 addr: fe80::204:9fff:fe00:1301/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:728446 errors:0 dropped:0 overruns:0 frame:0 TX packets:8690057 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:59732650 (56.9 MiB) TX bytes:271554306 (258.9 MiB) Base address:0xa000 """ v2: PATCH 2: Replaced CPP check with run-time condition to limit the number of queues. Updated comments. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Claudiu Manoil 提交于
For the "fsl,etsec2" compatible models the driver currently supports 8 Tx and Rx DMA rings (aka HW queues). However, there are only 2 pairs of Rx/Tx interrupt lines, as these controllers are integrated in low power SoCs with 2 CPUs at most. As a result, there are at most 2 NAPI instances that have to service multiple Tx and Rx queues for these devices. This complicates the NAPI polling routine having to iterate over the mutiple Rx/Tx queues hooked to the same interrupt lines. And there's also an overhead at HW level, as the controller needs to service all the 8 Tx rings in a round robin manner. The combined overhead shows up for multi parallel Tx flows transmitted by the kernel stack, when the driver usually starts returning NETDEV_TX_BUSY leading to NETDEV WATCHDOG Tx timeout triggering if the Tx path is congested for too long. As an alternative, this patch makes the driver support only one Tx/Rx DMA ring per NAPI instance (per interrupt group or pair of Tx/Rx interrupt lines) by default. The simplified single queue polling routine (gfar_poll_sq) will be the default napi poll routine for the etsec2 devices too. Some adjustments needed to be made to link the Tx/Rx HW queues with each NAPI instance (2 in this case). The gfar_poll_sq() is already successfully used by older SQ_SG_MODE (single interrupt group) controllers. This patch fixes Tx timeout triggering under heavy Tx traffic load (i.e. iperf -c -P 8) for the "fsl,etsec2" (currently the only MQ_MG_MODE devices). There's also a significant memory footprint reduction by supporting 2 Rx/Tx DMA rings (at most), instead of 8, for these devices. Signed-off-by: NClaudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Claudiu Manoil 提交于
There are some concurrency issues on devices w/ 2 CPUs related to the handling of Rx and Tx interrupts. eTSEC has separate interrupt lines for Rx and Tx but a single imask register to mask these interrupts and a single NAPI instance to handle both Rx and Tx work. As a result, the Rx and Tx ISRs are identical, both are invoking gfar_schedule_cleanup(), however both handlers can be entered at the same time when the Rx and Tx interrupts are taken by different CPUs. In this case spurrious interrupts (SPU) show up (in /proc/interrupts) indicating a concurrency issue. Also, Tx overruns followed by Tx timeout have been observed under heavy Tx traffic load. To address these issues, the schedule cleanup ISR part has been changed to handle the Rx and Tx interrupts independently. The patch adds a separate NAPI poll routine for Tx cleanup to be triggerred independently by the Tx confirmation interrupts only. Existing poll functions are modified to handle only the Rx path processing. The Tx poll routine does not need a budget, since Tx processing doesn't consume NAPI budget, and hence it is registered with minimum NAPI weight. NAPI scheduling does not require locking since there are different NAPI instances between the Rx and Tx confirmation paths now. So, the patch fixes the occurence of spurrious Rx/Tx interrupts. Tx overruns also occur less frequently now. Signed-off-by: NClaudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 3月, 2014 2 次提交
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由 dingtianhong 提交于
Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be used when each argument is an array within a structure that contains at least two bytes of data beyond the array, so it is safe to use it for vlan, and make sense for fast path. Cc: Joe Perches <joe@perches.com> Cc: Patrick McHardy <kaber@trash.net> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 dingtianhong 提交于
According Joe's suggestion, maybe it'd be faster to add an unlikely to the test for PCKET_OTHERHOST, so I add it and see whether the performance could be better, although the differences is so small and negligible, but it is hard to catch that any lower device would set the skb type to PACKET_OTHERHOST, so most of time, I think it make sense to add unlikely for the test. Cc: Joe Perches <joe@perches.com> Cc: Patrick McHardy <kaber@trash.net> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 3月, 2014 2 次提交
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由 Eric Dumazet 提交于
Resizing fq hash table allocates memory while holding qdisc spinlock, with BH disabled. This is definitely not good, as allocation might sleep. We can drop the lock and get it when needed, we hold RTNL so no other changes can happen at the same time. Signed-off-by: NEric Dumazet <edumazet@google.com> Fixes: afe4fd06 ("pkt_sched: fq: Fair Queue packet scheduler") Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next由 David S. Miller 提交于
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates This series contains updates to e1000e, ixgbevf and igb. Majority of this series contains fixes and cleanups to e1000e, most notably are: Todd provides a fix to PTP in e1000e which adds a lock in e1000e_phc_adjfreq to prevent concurrent changes to TIMINCA and SYSTIMH/L. Then provides an igb fix to use ARRAY_SIZE for array size calculation. David provides the remaining e1000e which contain: - cleanup of pointer references that are no longer used - fix an issue on systems with Management Engine enabled with the ethernet cable unplugged - fix an issue on 82579 where enabling EEE LPI sooner than one second after link up causes link issues on some switches - refactor the power management flows to prevent the suspend path from being executed twice when hibernating - refactor the runtime power management to fix interfering with the functionality of Energy Efficient Ethernet when enabled and to fix the device from repeatedly flip between suspend and resume with the interface administratively downed - enable the feature PHY Ultra Low Power Mode which is a power saving feature that reduces the power consumption of the PHY when a cable is not connected - fix the ethtool offline tests for 82579 parts - fix SHRA register access for 82579 parts which was introduced by previous commit c3a0dce3 "e1000e: fix overrun of PHY RAR array" Florian provides a fix for ixgbevf where skb->pkt_type was being checked like a bitmask, but it is not a bitmask. Fix an issue reported by Stephen Hemminger where there was a warning about code defined but never used if IGB_HWMON is not defined. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 08 3月, 2014 20 次提交
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由 Jeff Kirsher 提交于
Fix warning about code defined but never used if IGB_HWMON not defined. Reported-by: NStephen Hemminger <stephen@networkplumber.org> Signed-off-by: NStephen Hemminger <stephen@networkplumber.org> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Todd Fujinaka 提交于
Use ARRAY_SIZE for array size calculation. Signed-off-by: NTodd Fujinaka <todd.fujinaka@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Florian Fainelli 提交于
skb->pkt_type is not a bitmask, but contains only value at a time from the range defined in include/uapi/linux/if_packet.h. Checking it like if it was a bitmask of values would also cause PACKET_OTHERHOST, PACKET_LOOPBACK and PACKET_FASTROUTE to be matched by this check since their lower 2 bits are also set, although that does not fix a real bug, it is still potentially confusing. This bogus check was introduced in commit 815cccbf ("ixgbe: add setlink, getlink support to ixgbe and ixgbevf"). Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Tested-by: NPhil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Previous commit c3a0dce3 fixed an overrun for the RAR on i218 devices. This commit also attempted to homogenize the RAR/SHRA access for all parts accessed by the e1000e driver. This change introduced an error for assigning MAC addresses to guest OS's for 82579 devices. Only RAR[0] is accessible to the driver for 82579 parts, and additional addresses must be placed into the SHRA[L|H] registers. The rar_entry_count was changed in the previous commit to an inaccurate value that accounted for all RAR and SHRA registers, not just the ones usable by the driver. This patch fixes the count to the correct value and adjusts the e1000_rar_set_pch2lan() function to user the correct index. Cc: John Greene <jogreene@redhat.com> Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Changes to the rar_entry_count value require a change to the indexing used to access the SHRA[H|L] registers when testing them with 'ethtool -t <iface> offline' Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Valid values for InterruptThrottleRate are 10-100000, or one of 0, 1, 3, 4. '2' is not valid. This is a legacy from the branching from the e1000 driver code that e1000e was based from. Prior to this patch, if the e1000e driver was loaded with a forced invalid InterruptThrottleRate of '2', then no throttle rate would be set and no error message generated. Now, a message will be generated that an invalid value was used and the value for InterruptThrottleRate will be set to the default value. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
ULP is a power saving feature that reduces the power consumption of the PHY when a cable is not connected. ULP is gated on the following conditions: 1) The hardware must support ULP. Currently this is only I218 devices from Intel 2) ULP is initiated by the driver, so, no driver results in no ULP. 3) ULP's implementation utilizes Runtime Power Management to toggle its execution. ULP is enabled/disabled based on the state of Runtime PM. 4) ULP is not active when wake-on-unicast, multicast or broadcast is active as these features are mutually-exclusive. Since the PHY is in an unavailable state while ULP is active, any access of the PHY registers will fail. This is resolved by utilizing kernel calls that cause the device to exit Runtime PM (e.g. pm_runtime_get_sync) and then, after PHY access is complete, allow the device to resume Runtime PM (e.g. pm_runtime_put_sync). Under certain conditions, toggling the LANPHYPC is necessary to disable ULP mode. Break out existing code to toggle LANPHYPC to a new function to avoid code duplication. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Cc: Bruce Allan <bruce.w.allan@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Fix issues with: RuntimePM causing the device to repeatedly flip between suspend and resume with the interface administratively downed. Having RuntimePM enabled interfering with the functionality of Energy Efficient Ethernet. Added checks to disallow functions that should not be executed if the device is currently runtime suspended Make runtime_idle callback to use same deterministic behavior as the igb driver. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Acked-by: NBruce Allan <bruce.w.allan@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Refactor the system power management flows to prevent the suspend path from being executed twice when hibernating since both the freeze and poweroff callbacks were set to e1000_suspend() via SET_SYSTEM_SLEEP_PM_OPS. There are HW workarounds that are performed during this flow and calling them twice was causing erroneous behavior. Re-arrange the code to take advantage of common code paths and explicitly set the individual dev_pm_ops callbacks for suspend, resume, freeze, thaw, poweroff and restore. Add a boolean parameter (reset) to the e1000e_down function to allow for cases when the HW should not be reset when downed during a PM event. Now that all suspend/shutdown paths result in a call to __e1000_shutdown() that checks Wake on Lan status, removing redundant check for WoL in e1000_power_down_phy(). Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Acked-by: NBruce Allan <bruce.w.allan@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Branding strings from recently released and soon to be released hardware configurations that are supported by e1000e. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Acked-by: NBruce Allan <bruce.w.allan@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
This patch is to update the GPL header by removing the portion that refers to the Free Software Foundation address. Change the copyright date for 2014. Reformat the header comments to conform to kernel networking coding norms Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Enabling EEE LPI sooner than one second after link up on 82579 causes link issues with some switches. Remove EEE enablement for 82579 parts from the link initialization flow to avoid initializing too early. EEE initialization for 82579 will be done in e1000e_update_phy_task. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Acked-by: NBruce W Allan <bruce.w.allan@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
On a ME enabled system with the cable out, the driver init flow would generate an erroneous message indicating that resets were being blocked by an active ME session. Cause was ME clearing the semaphore bit to block further PHY resets for up to 50 msec during power-on/cycle. After this interval, ME would re-set the bit and allow PHY resets. To resolve this, change the flow of e1000e_phy_hw_reset_generic() to utilize a delay and retry method. Poll the FWSM register to minimize any extra time added to the flow. If the delay times out at 100ms (checked in 10msec increments), then return the value E1000_BLK_PHY_RESET, as this is the accurate state of the PHY. Attempting to alter just the call to e1000e_phy_hw_reset_generic() in e1000_init_phy_workarounds_pchlan() just caused the problem to move further down the flow. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Acked-by: NBruce W. Allan <bruce.w.allan@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Cleaning up some pointer references that are no longer necessary Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Todd Fujinaka 提交于
Add lock in e1000e_phc_adjfreq to prevent concurrent changes to TIMINCA and SYSTIMH/L. Signed-off-by: NTodd Fujinaka <todd.fujinaka@intel.com> Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Alexander Aring 提交于
This patch adds a missing return after fragmentation init. Otherwise we register a sysctl interface and deregister it afterwards which makes no sense. Signed-off-by: NAlexander Aring <alex.aring@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://gitorious.org/linux-can/linux-can-next由 David S. Miller 提交于
Marc Kleine-Budde says: ==================== pull-request: can-next 2014-02-12 this is a pull request of twelve patches for net-next/master. Alexander Shiyan contributes two patches for the mcp251x, one making the driver more quiet and the other one improves the compile time coverage by removing the #ifdef CONFIG_PM_SLEEP. Then two patches for the flexcan driver by me, one removing the #ifdef CONFIG_PM_SLEEP, too, the other one making use of platform_get_device_id(). Another patch by me which converts the janz-ican3 driver to use netdev_<level>(). The remaining 7 patches are by Oliver Hartkopp, they add CAN FD support to the netlink configuration interface. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Hayes Wang says: ==================== r8152: tx/rx improvement - Select the suitable spin lock for each function. - Add additional check to reduce the spin lock. - Up the priority of the tx to avoid interrupted by rx. - Support rx checksum, large send, and IPv6 hw checksum. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 hayeswang 提交于
Support hw IPv6 checksum for TCP and UDP packets. Note that the hw has the limitation of the range of the transport offset. Besides, the TCP Pseudo Header of the IPv6 TSO of the hw bases on the Microsoft document which excludes the packet length. Signed-off-by: NHayes Wang <hayeswang@realtek.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 hayeswang 提交于
Support scatter gather and TSO. Adjust the tx checksum function and set the max gso size to fix the size of the tx aggregation buffer. Signed-off-by: NHayes Wang <hayeswang@realtek.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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