- 25 Apr, 2008 37 commits
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Ayaz Abdulla authored
This patch fixes an issue seen with the realtek 8201 phy. This phy has a problem with crossover detection and it needs to be disabled. The problem only arises on certain switches. Therefore, a module parameter has been added to allow enabling crossover detection if needed. The default will be set to disabled. Signed-off-by:
Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com>
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Benjamin Herrenschmidt authored
This patch doubles the MDIO timeouts in EMAC as there are field cases where they are two short to communicate with some PHYs. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Andy Fleming authored
gianfar was unable to handle failed skb allocation for rx buffers, so we were spinning until it succeeded. Actually, it was worse--we were spinning for a long time, and then silently failing. Instead, we take Stephen Hemminger's suggestion to try the allocation earlier, and drop the packet if it failed. We also make a couple of tweaks to how buffer descriptors are set up. Signed-off-by:
Andy Fleming <afleming@freescale.com> Signed-off-by:
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Harvey Harrison authored
Don't need to keep a struct netxen_new_user_info on the stack when we only are interested in printing the serial_num. Change to only reading the serial_num. Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Roel Kluin authored
When timeout reaches 0 the postfix decrement still subtracts, so the test fails. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Roel Kluin <12o3l@tiscali.nl> Acked-by:
Peter Korsgaard <jacmet@sunsite.dk> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Kay Sievers authored
Since 43cc71ee, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable network platform drivers, to re-enable auto loading. NOTE: didn't change drivers/net/fs_enet/fs_enet-main.c "old binding" support. That looks problematic in the first place (it even uses the ancient "struct device_driver" binding scheme for platform_bus!) and I suspect it will vanish soonish when arch/powerpc rules the world. Also, drivers/net/ne.c would have needed more thought to sort out. [akpm@linux-foundation.org: fix sgiseeq.c] [dbrownell@users.sourceforge.net: more drivers, registration fixes] Signed-off-by:
Kay Sievers <kay.sievers@vrfy.org> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Cc: Scott Wood <scottwood@freescale.com> Cc: Vitaly Bordug <vitb@kernel.crashing.org> Cc: Dale Farnsworth <dale@farnsworth.org> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Andrew Victor <andrew@sanpeople.com> Cc: Bryan Wu <bryan.wu@analog.com> Signed-off-by:
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Ayaz Abdulla authored
This patch adds support for a new backoff algorithm for half duplex supported in newer hardware. The old method is will be designated as legacy mode. Re-seeding random values for the backoff algorithms are performed when a transmit has failed due to a maximum retry count (1 to 15, where max is considered the wraparound case of 0). Signed-off-by:
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Andrew Morton authored
ehea_flush_sq() and ehea_purge_sq() should be static. Cc: Jeff Garzik <jeff@garzik.org> Cc: Thomas Klein <osstklei@de.ibm.com> Cc: Thomas Klein <tklein@de.ibm.com> Signed-off-by:
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Andy Fleming authored
Sometimes the specific interaction between the platform and the PHY requires special handling. For instance, to change where the PHY's clock input is, or to add a delay to account for latency issues in the data path. We add a mechanism for registering a callback with the PHY Lib to be called on matching PHYs when they are brought up, or reset. Signed-off-by:
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Chris Snook authored
Move some code from atlx.c to atl1.c to prevent build conflict with the upcoming atl2 code. No changes, just movement. Signed-off-by:
Chris Snook <csnook@redhat.com> Signed-off-by:
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Chris Snook authored
There's no good reason to manually set the flash vendor in a module parameter, outside of an Atheros hardware lab. Remove it, so nobody accidentally bricks their board using it incorrectly. Signed-off-by:
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Francois Romieu authored
- useless initialization (korina_ope / korina_restart) - use a single variable for the status code in korina_probe and propagate the error status code from below - useless checks in korina_remove : the variables are necessarily set when korina_probe succeeds Signed-off-by:
Francois Romieu <romieu@fr.zoreil.com> Signed-off-by:
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Francois Romieu authored
The driver takes the error unwind path without condition. Signed-off-by:
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Krzysztof Halasa authored
Signed-off-by:
Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by:
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Cédric Augonnet authored
The local variable "prefix" is never used anymore, and the content of this string appears a bit later, directly in a call to "alloc_netdev" after doing exactly the same if/else test. So there seems to be no point keeping those 4 lines anymore. Signed-off-by:
Cédric Augonnet <cedric.augonnet@ens-lyon.org> Signed-off-by:
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Francois Romieu authored
Signed-off-by:
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Grant Grundler authored
While trying to fix http://bugzilla.kernel.org/show_bug.cgi?id=8952 I looked at a few other drivers to figure out what drivers _should_ be doing for suspend/resume. I noticed typhoon driver is likely doing more than it needs to. Patch below is untested since I don't have the HW. Suspend/resume code across NIC drivers is fairly inconsistent. And I couldn't find any documentation on what the canonical sequence NICs need to do for suspend or resume. Is there any? Barring contrary advice, I'm going model the tulip suspend/resume fixes after tg3.c since a number of "modern" (< 5 years old) laptops have that and I'm silly enough to assume it works. Signed-off-by:
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Valentine Barshak authored
This patch adds ibm_newemac PHY clock workaround for 440EP/440GR EMAC attached to a PHY which doesn't generate RX clock if there is no link. The code is based on the previous ibm_emac driver stuff. The 440EP/440GR allows controlling each EMAC clock separately as opposed to global clock selection for 440GX. BenH: Made that #ifdef CONFIG_PPC_DCR_NATIVE for now as dcri_* stuff doesn't exist for MMIO type DCRs like Cell. Some future rework & improvements of the DCR infrastructure will make that cleaner but for now, this makes it work. Signed-off-by:
Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by:
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Valentine Barshak authored
The PowerPC 440GX Taishan board fails to reset EMAC3 (reset timeout error) if there's no link. Because of that it fails to find PHY chip. The older ibm_emac driver had a workaround for that: the EMAC_CLK_INTERNAL/EMAC_CLK_EXTERNAL macros, which toggle the Ethernet Clock Select bit in the SDR0_MFR register. This patch does the same for "ibm,emac-440gx" compatible chips. The workaround forces clock on -all- EMACs, so we select clock under global emac_phy_map_lock. BenH: Made that #ifdef CONFIG_PPC_DCR_NATIVE for now as dcri_* stuff doesn't exist for MMIO type DCRs like Cell. Some future rework & improvements of the DCR infrastructure will make that cleaner but for now, this makes it work. Signed-off-by:
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Josh Boyer authored
Convert ibm_newemac to use the of_device_is_available function when checking for unused/unwired EMACs. We leave the current check for an "unused" property to maintain backwards compatibility for older device trees. Newer device trees should simply use the standard "status" property in the EMAC node. Signed-off-by:
Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by:
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Josh Boyer authored
This patch fixes several section mismatch warnings in the ibm_newemac driver similar to: WARNING: vmlinux.o(.devinit.text+0x3a04): Section mismatch in reference from the function emac_probe() to the function .devexit.text:tah_detach() The function __devinit emac_probe() references a function __devexit tah_detach(). Signed-off-by:
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Stefan Roese authored
On some 4xx PPC's (e.g. 460EX/GT), the rx channel number is a multiple of 8 (e.g. 8 for EMAC1, 16 for EMAC2), but enabling in MAL_RXCASR needs the divided by 8 value for the bitmask. Signed-off-by:
Stefan Roese <sr@denx.de> Signed-off-by:
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Stefan Roese authored
This fixes the jumbo frame support on EMAC V4 systems. Now the correct bit is set depending on the EMAC version configured. Tested on Kilauea (405EX) and Canyonlands (460EX). Signed-off-by:
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Jesse Brandeburg authored
Signed-off-by:
Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by:
Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by:
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Auke Kok authored
To enable EEH support for pci-express network adapters, pcie/msi state needs to be saved and restored for that adapter. [after similar patches for ixgbe and e1000e from Wendy Xiong] Signed-off-by:
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Wendy Xiong authored
To enable EEH support for pci-express network adapters, pcie/msi state needs to be saved and restored for that adapter. Tested this EEH patch with 2ports and 4ports pci-express e1000e adapters. Signed-off-by:
Wendy Xiong <wendyx@us.ibm.com> Signed-off-by:
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Wendy Xiong authored
To enable EEH support for pci-express network adapters, pcie/msi state needs to be saved and restored for that adapter. Tested this EEH patch with Intel 10G pci-express ixgbe adapter. Signed-off-by:
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Auke Kok authored
The lower limit of 80 descriptors in the ring is only valid for one older 8254x chipset. All e1000e devices can use as low as 64 descriptors. Signed-off-by:
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David Graham authored
Several components to this complex fix. The es2lan cards occasionally gave a "HW Error" especially when forcing speed. Some users also reported that the BMC stole ARP packets. The fixes include setting the proper SW_FW bits to tell the BMC that we're active and not do any un-initialization at all, so the setup routine is largely changed. Signed-off-by:
David Graham <david.graham@intel.com> Signed-off-by:
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Auke Kok authored
The ethtool -c / -C interface can now be used to modify the irq moderation algorithm. This change does not require an adapter reset and can thus be used at all times. The adapter only supports changing/reading rx-usecs which has special values for 0, 1 and 3: 0 - no irq moderation whatsoever 1 - normal moderation favoring regular mixed traffic (default) 3 - best attempt at low latency possible at cost of CPU For values between 10 and 10000 the rx-usecs defines "the minimum time between successive irqs" in usec, unlike the module parameter. Signed-off-by:
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Bruce Allan authored
Several stats registers are completely unused and we just waste pci bus time reading them. We also omit using the high 32 bits of the GORC/ GOTC counters. We can just read clear them and only read the low registers. Mii-tool can also break es2lan if it executes a MII PHY register ioctl while the device is in autonegotiation. Unfortunately it seems that several applications and installations still perform this ioctl call periodically and especially in this crucial startup time. We can fool the ioctl by providing fail safe information that mimics the "down" link state and only perform the dangerous PHY reads once after link comes up to fill in the real values. As long as link stays up the information will not change. Signed-off-by:
Bruce Allan <bruce.w.allan@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
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Sreenivasa Honnur authored
- Removed rx_lock and put_lock as the buffer replenishment and receive completion is handled serially. Signed-off-by:
Surjit Reang <surjit.reang@neterion.com> Signed-off-by:
Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by:
Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by:
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Sreenivasa Honnur authored
- Removed receive buffer replenishment tasklet s2io_tasklet and instead allocating the receive buffers in either the interrupt handler (no napi) or the napi handler (napi enabled). Signed-off-by:
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Sreenivasa Honnur authored
- Updated version number. Signed-off-by:
Santosh Rastapur <santosh.rastapur@neterion.com> Signed-off-by:
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Sreenivasa Honnur authored
- Fix the memory leak during free_tx_buffers. Signed-off-by:
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Andy Fleming authored
The patch that changed mdio_bus to a string didn't conflict strongly enough with the patch that added fixed PHY support to UCC. Gather it back into the fold. Fixes this error: ... CC drivers/net/ucc_geth.o 'ucc_geth_probe': /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/net/ucc_geth.c:3935: error: incompatible types in assignment make[3]: *** [drivers/net/ucc_geth.o] Error 1 Signed-off-by:
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Brian Haley authored
net/key/af_key.c: In function ‘pfkey_spddelete’: net/key/af_key.c:2359: warning: ‘pol_ctx’ may be used uninitialized in this function When CONFIG_SECURITY_NETWORK_XFRM isn't set, security_xfrm_policy_alloc() is an inline that doesn't set pol_ctx, so this seemed like the easiest fix short of using *uninitialized_var(pol_ctx). Signed-off-by:
Brian Haley <brian.haley@hp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 24 Apr, 2008 3 commits
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David S. Miller authored
Since these operations don't go through the normal device calls, we have to ensure we synchronize with those paths. Noticed by Alan Cox. Signed-off-by: -
Pavel Emelyanov authored
Plan C: we can follow the Al Viro's proposal about %n like in this patch. The same applies to udp, fib (the /proc/net/route file), rt_cache and sctp debug. This is minus ~150-200 bytes for each. Signed-off-by:
Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
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David Woodhouse authored
When drivers call request_module(), it tries to do something with UNIX sockets and triggers a 'runaway loop modprobe net-pf-1' warning. Avoid this by initialising AF_UNIX support earlier. Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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