- 09 Oct, 2008 20 commits
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Divy Le Ray authored
Add support for SR PHY. Auto-detect phy module type, and report type changes. Signed-off-by:
Divy Le Ray <divy@chelsio.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Divy Le Ray authored
Add generic code to manage interrupt driven PHYs. Do not reset the phy after link parameters update, the new values might get lost. Return early from link change notification when the link parameters remain unchanged. Signed-off-by:
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Divy Le Ray authored
Do not require PHY interrupts to be connected to GPIs in ascending order. Base interrupt availability both on PHYs supporting them and on GPIs being hooked up. Allows boards to specify interrupt GPIs though the PHYs don't use them. Remove spurious PHY interrupts due to clearing T3DBG interrupts before setting their polarity. Signed-off-by:
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Divy Le Ray authored
Second step in overall phy layer reorganization. Clean up the port_type_info structure. Support coextistence of clause 22 and clause 45 MDIO devices. Select the type of MDIO transaction on a per transaction basis. Signed-off-by:
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Divy Le Ray authored
First step towards overall PHY layering re-organization. Allow a status return when a PHY is reset. Signed-off-by:
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Divy Le Ray authored
Allocate a queue set per core, up to the maximum of available qsets. Share the queue sets on multi port adapters. Rename MSI-X interrupt vectors ethX-N, N being the queue set number. Signed-off-by:
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Divy Le Ray authored
when a fatal error occurs, bring ports down, reset the chip, and bring ports back up. Factorize code used for both EEH and fatal error recovery. Fix timer usage when bringing up/resetting sge queue sets. Signed-off-by:
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David S. Miller authored
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Lennert Buytenhek authored
Add support for the Marvell 88E6060 switch chip. This chip only supports the Header and Trailer tagging formats, and we use it in Trailer mode since that mode is slightly easier to handle than Header mode. Signed-off-by:
Lennert Buytenhek <buytenh@marvell.com> Tested-by:
Byron Bradley <byron.bbradley@gmail.com> Tested-by:
Tim Ellis <tim.ellis@mac.com> Signed-off-by:
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Lennert Buytenhek authored
This adds support for the Trailer switch tagging format. This is another tagging that doesn't explicitly mark tagged packets with a distinct ethertype, so that we need to add a similar hack in the receive path as for the Original DSA tagging format. Signed-off-by:
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Lennert Buytenhek authored
Add support for the Marvell 88E6131 switch chip. This chip only supports the original (ethertype-less) DSA tagging format. On the 88E6131, there is a PHY Polling Unit (PPU) which has exclusive access to each of the PHYs's MII management registers. If we want to talk to the PHYs from software, we have to disable the PPU and wait for it to complete its current transaction before we can do so, and we need to re-enable the PPU afterwards to make sure that the switch will notice changes in link state and speed on the individual ports as they occur. Since disabling the PPU is rather slow, and since MII management accesses are typically done in bursts, this patch keeps the PPU disabled for 10ms after a software access completes. This makes handling the PPU slightly more complex, but speeds up something like running ethtool on one of the switch slave interfaces from ~300ms to ~30ms on typical hardware. Signed-off-by:
Nicolas Pitre <nico@marvell.com> Tested-by:
Peter van Valderen <linux@ddcrew.com> Tested-by:
Dirk Teurlings <dirk@upexia.nl> Signed-off-by:
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Lennert Buytenhek authored
Most of the DSA switches currently in the field do not support the Ethertype DSA tagging format that one of the previous patches added support for, but only the original DSA tagging format. The original DSA tagging format carries the same information as the Ethertype DSA tagging format, but with the difference that it does not have an ethertype field. In other words, when receiving a packet that is tagged with an original DSA tag, there is no way of telling in eth_type_trans() that this packet is in fact a DSA-tagged packet. This patch adds a hook into eth_type_trans() which is only compiled in if support for a switch chip that doesn't support Ethertype DSA is selected, and which checks whether there is a DSA switch driver instance attached to this network device which uses the old tag format. If so, it sets the protocol field to ETH_P_DSA without looking at the packet, so that the packet ends up in the right place. Signed-off-by:
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Lennert Buytenhek authored
Distributed Switch Architecture is a protocol for managing hardware switch chips. It consists of a set of MII management registers and commands to configure the switch, and an ethernet header format to signal which of the ports of the switch a packet was received from or is intended to be sent to. The switches that this driver supports are typically embedded in access points and routers, and a typical setup with a DSA switch looks something like this: +-----------+ +-----------+ | | RGMII | | | +-------+ +------ 1000baseT MDI ("WAN") | | | 6-port +------ 1000baseT MDI ("LAN1") | CPU | | ethernet +------ 1000baseT MDI ("LAN2") | |MIImgmt| switch +------ 1000baseT MDI ("LAN3") | +-------+ w/5 PHYs +------ 1000baseT MDI ("LAN4") | | | | +-----------+ +-----------+ The switch driver presents each port on the switch as a separate network interface to Linux, polls the switch to maintain software link state of those ports, forwards MII management interface accesses to those network interfaces (e.g. as done by ethtool) to the switch, and exposes the switch's hardware statistics counters via the appropriate Linux kernel interfaces. This initial patch supports the MII management interface register layout of the Marvell 88E6123, 88E6161 and 88E6165 switch chips, and supports the "Ethertype DSA" packet tagging format. (There is no officially registered ethertype for the Ethertype DSA packet format, so we just grab a random one. The ethertype to use is programmed into the switch, and the switch driver uses the value of ETH_P_EDSA for this, so this define can be changed at any time in the future if the one we chose is allocated to another protocol or if Ethertype DSA gets its own officially registered ethertype, and everything will continue to work.) Signed-off-by: -
Andreas Oberritter authored
The write barrier should be used before starting a DMA transfer. This fixes a problem, where almost all packets received on another machine had garbled content. Tested with an RTL8100C on a MIPS machine. Signed-off-by:
Andreas Oberritter <obi@linuxtv.org> Signed-off-by:
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Arjan van de Ven authored
there's several drivers that have use "tx_timeout" for the .. tx timeout function. All fine with that, they're static, however for doing stats on how often which driver hits the timeout it's a tad unfortunate. The patch below gives the ones I found in the kerneloops.org database unique names. Signed-off-by:
Arjan van de Ven <arjan@linux.intel.com> Signed-off-by:
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David Brownell authored
When building with CONFIG_USB_DEBUG, don't create logspam from the USB networking drivers. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Bruno Prémont authored
Since recent kernel (2.6.26 or 2.6.27) the PCI wakeup functions are influenced by generic device ability and configuration when enabling PCI-device triggered wake-up. This patch causes WoL setting to enable/disable device's wish to be permitted to wake-up the host when changing WoL options and also during device probing. Without this patch one has write 'enabled' to /sys/bus/pci/devices/0000:02:08.0/power/wakeup Signed-off-by:
Bruno Prémont <bonbons@linux-vserver.org> Acked-by:
Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by:
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Bruno Prémont authored
When probing the chip and handling it's power management settings also remember wether WoL feature is enabled. Without this patch one has to call ethtool to change WoL settings for this flag to be set and any WoL being enabled on suspend to RAM. Signed-off-by:
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Trent Piepho authored
The device's carrier status is controlled via the functions netif_carrier_on() and netif_carrier_off(). These set or clear a bit indicating the carrier (aka lower level link) is down, and if the state changed, they fire off a routing netlink event. Add a call to netif_carrier_off() before register_netdev() so that the newly created device will be set to carrier down. Then when the carrier comes up for the first time, a netlink event will be generated, as the carrier changed from down to up. Otherwise the initial carrier up will appear to be changing the status from up to up, and so no event is generated since that's not a change. Signed-off-by:
Trent Piepho <tpiepho@freescale.com> Signed-off-by:
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Lennert Buytenhek authored
mv643xx_eth uses ip_hdr() (defined in linux/ip.h), but relied on another header file to include the needed header file indirectly. In latest net-next this indirect include chain is gone, so the driver fails to build. Include linux/ip.h explicitly to fix this. Signed-off-by:
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- 08 Oct, 2008 20 commits
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Jarek Poplawski authored
This lockdep warning: ================================= [ INFO: inconsistent lock state ] 2.6.27-rc7 #3 --------------------------------- inconsistent {in-softirq-W} -> {softirq-on-W} usage. syslogd/2474 [HC0[0]:SC0[0]:HE1:SE1] takes: (_xmit_ETHER#2){-+..}, at: [<c0265562>] netpoll_send_skb+0x132/0x190 ... is caused by unconditional local_irq_disable()/local_irq_enable() in disable_irq_lockdep()/enable_irq_lockdep() used by __ei_poll(). Since netconsole/netpoll always calls dev->poll_controller() with local irqs disabled, disable_irq()/enable_irq() instead is safe and enough (like e.g. in 3c509 or 8139xx drivers). Reported-and-tested-by:Bernard Pidoux F6BVP <f6bvp@free.fr> Signed-off-by:
Jarek Poplawski <jarkao2@gmail.com> Signed-off-by:
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Brandeburg, Jesse authored
It was pointed out by Breno Leitao <leitao@linux.vnet.ibm.com> that ixgb would crash on PPC when an IOMMU was in use, if change_mtu was called. It appears to be a pretty simple issue in the driver that wasn't discovered because most systems don't run with an IOMMU. The driver needs to only unmap buffers that are mapped (duh). CC: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by:
Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by:
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Arthur Jones authored
Since e1000e has been existance in linux-2.6, we've never released the hardware semaphore after a successful write to the SPI EEPROM. I guess we don't write to SPI EEPROM much -- but those few of us that do appreciate it when we can later read from the EEPROM without having to reboot. Found-by:
Nick Van Fossen <Nick.VanFossen@riverbed.com> Signed-off-by:
Arthur Jones <ajones@riverbed.com> Reviewed-by:
Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by:
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Steve Glendinning authored
Attached is a driver for SMSC's LAN9500 USB2.0 10/100 ethernet adapter. Signed-off-by:
Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by:
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Lennert Buytenhek authored
Add mdiobus_{read,write} routines to allow direct reading/writing of registers on an mii bus without having to go through the PHY abstraction, and make phy_{read,write} use these primitives. Signed-off-by: -
Lennert Buytenhek authored
Introduce the mdio_bus class, and give each 'struct mii_bus' its own 'struct device', so that mii_bus objects are represented in the device tree and can be found by querying the device tree. Signed-off-by:
Andy Fleming <afleming@freescale.com> Signed-off-by:
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Lennert Buytenhek authored
This patch introduces mdiobus_alloc() and mdiobus_free(), and makes all mdio bus drivers use these functions to allocate their struct mii_bus'es dynamically. Signed-off-by:
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Lennert Buytenhek authored
In preparation of giving mii_bus objects a device tree presence of their own, rename struct mii_bus's ->dev argument to ->parent, since having a 'struct device *dev' that points to our parent device conflicts with introducing a 'struct device dev' representing our own device. Signed-off-by:
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Brice Goglin authored
Add multiqueue TX support to myri10ge. [ Removed reference to deprecated CONFIG_NETDEVICES_MULTIQUEUE and NETIF_F_MULTI_QUEUE ] Signed-off-by:
Brice Goglin <brice@myri.com> Signed-off-by:
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Jay Cliburn authored
Update the driver's introductory comments. Signed-off-by:
Jay Cliburn <jacliburn@bellsouth.net> Signed-off-by:
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Jay Cliburn authored
Remove the EXPERIMENTAL label from the atl1 driver and change the vendor name to include Attansic's successor, Atheros. We'll leave Attansic in the name since Attansic's PCI ID (1969) is encoded in the PCI config and is what users encounter on their systems. Signed-off-by:
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Jay Cliburn authored
NETIF_F_LLTX is deprecated. Remove private TX locking from the driver and remove the NETIF_F_LLTX feature flag. Signed-off-by:
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Jay Cliburn authored
See http://marc.info/?l=linux-netdev&m=121931988219314&w=2 Stop the queue and turn off carrier to prevent transmit timeouts when the cable is unplugged/replugged. Signed-off-by:
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Wang Chen authored
The error return is useful to caller, driver shouldn't miss it. Signed-off-by:
Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by:
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Xiaoming.Zhang authored
pauseparam is set On Wednesday 24 September 2008 07:47, Stephen Hemminger wrote: > On Mon, 22 Sep 2008 14:52:17 -0700 > > akpm@linux-foundation.org wrote: > > From: "Xiaoming.Zhang" <Xiaoming.Zhang@resilience.com> > > > > We have an issue of the skge driver: The card won't work when it's > > options are changed. Here's the hardware info: > > > > # lspci -v > > 05:04.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001 > > Gigabit Ethernet Controller (rev 13) Subsystem: Marvell Technology Group > > Ltd. Marvell RDK-8001 Flags: bus master, 66MHz, medium devsel, latency > > 32, IRQ 16 Memory at d042c000 (32-bit, non-prefetchable) [size=16K] I/O > > ports at d000 [size=256] > > [virtual] Expansion ROM at 20400000 [disabled] [size=128K] > > Capabilities: [48] Power Management version 2 > > Capabilities: [50] Vital Product Data > > > > The happens in both Linux-2.6.26(skge version 1.23) and RHEL5.2(skge > > version 1.6). > > > > For example, at first it is set to "speed 1000 duplex full auto-neg on" > > and it works, then run > > > > ethtool -s <ethx> autoneg off > > or ethtool -s <ethx> speed 100 duplex full autoneg off > > > > Then it will stop working. After that if we restart the interface: > > > > ifconifg <ethx> down > > ifconfig <ethx> up > > > > It will work again. And `ethtool -A' has the same issue. > > > > So we think after setting the options, the interface should be restarted. > > > > Signed-off-by: Zhang Xiaoming <xiaoming.zhang@resilience.com> > > Cc: Stephen Hemminger <shemminger@vyatta.com> > > Cc: Jeff Garzik <jeff@garzik.org> > > Signed-off-by: Andrew Morton <akpm@linux-foundation.org> > > --- > > > > drivers/net/skge.c | 12 ++++++++---- > > 1 file changed, 8 insertions(+), 4 deletions(-) > > > > diff -puN > > drivers/net/skge.c~driver-net-skgec-restart-the-interface-when-its-option > >s-or-pauseparam-is-set drivers/net/skge.c --- > > a/drivers/net/skge.c~driver-net-skgec-restart-the-interface-when-its-opti > >ons-or-pauseparam-is-set +++ a/drivers/net/skge.c > > @@ -353,8 +353,10 @@ static int skge_set_settings(struct net_ > > skge->autoneg = ecmd->autoneg; > > skge->advertising = ecmd->advertising; > > > > - if (netif_running(dev)) > > - skge_phy_reset(skge); > > + if (netif_running(dev)) { > > + skge_down(dev); > > + skge_up(dev); > > + } > > > > return (0); > > } > > @@ -595,8 +597,10 @@ static int skge_set_pauseparam(struct ne > > skge->flow_control = FLOW_MODE_NONE; > > } > > > > - if (netif_running(dev)) > > - skge_phy_reset(skge); > > + if (netif_running(dev)) { > > + skge_down(dev); > > + skge_up(dev); > > + } > > > > return 0; > > } > > Since skge_up can fail because of out of memory, this code needs to > check the return value. And then if it fails the "limbo state" needs > to be handled in skge_down. How about like this? It is tested. Thank you. Signed-off-by:
Zhang Xiaoming <xiaoming.zhang@resilience.com> Signed-off-by:
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Divy Le Ray authored
A SGE queue set timer might access registers while in EEH recovery, triggering an EEH error loop. Stop all timers early in EEH process. Signed-off-by:
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Francois Romieu authored
As reported by Meelis Roos. Signed-off-by: -
Kevin Hao authored
When NETIF_F_LLTX is set, the atlx driver will use a private lock. But in recent kernels this implementation seems redundant and can cause problems where AF_PACKET sees things twice. Since NETIF_F_LLTX is marked as deprecated and shouldn't be used in new driver, this patch removes NETIF_F_LLTX and adds a mmiowb before sending packet. I have tested this driver on a Eee PC. It works well. Signed-off-by:
Kevin Hao <kexin.hao@windriver.com> Acked-by:
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Trent Piepho authored
This way the phy layer will respond to a change in phy state immediately, instead of up to one second later when the state machine timer runs. Signed-off-by:
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Trent Piepho authored
The PHY's aneg is configured and restarted whenever the link is brought up, e.g. when DHCP is started after the kernel has booted. This can take the link down for several seconds while auto-negotiation is redone. If the advertised features haven't changed, then it shouldn't be necessary to bring down the link and start auto-negotiation over again. genphy_config_advert() is enhanced to return 0 when the advertised features haven't been changed and >0 when they have been. genphy_config_aneg() then uses this information to not call genphy_restart_aneg() if there has been no change. Signed-off-by:
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