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path: root/drivers/net/r8169.c
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2007-07-08r8169: small 8101 commentFrancois Romieu
Extracted from version 1.001.00 of Realtek's r8101. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: confusion between hardware and IP header alignmentFrancois Romieu
The rx copybreak part is straightforward. The align field in struct rtl_cfg_info is related to the alignment requirements of the DMA operation. Its value is set at 2 to limit the scale of possible regression but my old v1.21 8169 datasheet claims a 8 bytes requirements (which never appeared in the driver, of course) and the 8101/8168 go with a plain 8 bytes alignment. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: merge with version 8.001.00 of Realtek's r8168 driverFrancois Romieu
This one includes: - more tweaks to rtl_hw_start_8168 - a work around for a Rx FiFO overflow issue on the 8168Bb - rtl8169_{intr_mask/napi_event} are replaced with per-device fields, namely tp->{intr/napi}_event - rtl_cfg_info is converted to C99 for readability but the values are not changed for the 8169/8110 and the 8101 Includes ChipCmd fix from Bernhard Walle <bwalle@suse.de> (2007/02/24). Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: merge with version 6.001.00 of Realtek's r8169 driverFrancois Romieu
- new identifier for the 8110SCe - the PCI latency timer is set unconditionally. This part is identical in Realtek's r8168 (8.001.00) and r8101 (1.001.00) - initialization of the cache line size register is for the 8169s only - more magic in rtl_hw_start_8169 - it is not possible to factor out the setting of the the irq event mask with the 8168 and the 8101 any more. Pushed it into the hw_start handler. - rtl_set_rx_tx_config_registers() and write to the ChipCmd register are issued identically for the whole 8169/8110 family: the 8110SCd/8110SCe are handled the same way - work around for AMD platform. Some registers definitions in Realtek's driver are let aside for later. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: prettify mac_versionFrancois Romieu
...still a bit yucky though. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: populate the hw_start handler for the 8110Francois Romieu
Same thing as the previous change for rtl_hw_start_8168. The 8101 related code in rtl_hw_start_8169 (see RTL_GIGA_MAC_VER_13) goes away. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: populate the hw_start handler for the 8168Francois Romieu
rtl_hw_start_8168 inherits the content of rtl_hw_start_8169 minus the code which depends on RTL_GIGA_MAC_VER_XY (XY != {11/12}). Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: add helpers for per-device hw_start handlerFrancois Romieu
They aim to limit the amount of moved code when the hw_start handler gets more specialized. No functional change. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: add hooks for per-device hw_start handlerFrancois Romieu
Rationale: rtl8169_hw_start will not help maintaining an unified driver for different chipsets but people at Realtek are probably too polite to say it distinctly. Let's add the hook and keep hw_start handler unchanged. As can be seen from the content of rtl8169_pci_tbl, the RTL_CFG_1 entry in rtl_cfg_info was unused. I recycled it for the 0x8168. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: Rx path updateStephen Hemminger
- pci_dma_sync_single_for_cpu is not needed for a single large packet - remove the function pointer to help gcc optimizing the inline pci_dma functions. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: kill eth_copy_and_sum()David S. Miller
It hasn't "summed" anything in over 7 years, and it's just a straight mempcy ala skb_copy_to_linear_data() so just get rid of it. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: de-obfuscate modulo arithmeticFrancois Romieu
The former style suggests a modulo arithmetic misuse but the expression should never be < 0. Even if it does, the driver will simply loop longer than expected (not that the remaining parts of the system will necessarily appreciate it...). Let's warn the user when something goes wrong and try to go over it. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-07-08r8169: use netdev_alloc_skbStephen Hemminger
Use netdev_alloc_skb and remove the useless sk_buff * argument of rtl8169_alloc_rx_skb. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-06-03network drivers: eliminate unneeded kill_vid codeStephen Hemminger
Many drivers had code that did kill_vid, but they weren't doing vlan filtering. With new API the stub is unneeded unless device sets NETIF_F_HW_VLAN_FILTER. Bad habit: I couldn't resist fixing a couple of nearby style things in acenic, and forcedeth. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-25[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iphArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[ETH]: Make eth_type_trans set skb->dev like the other *_type_transArnaldo Carvalho de Melo
One less thing for drivers writers to worry about. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-03r8169: fix suspend/resume for down interfaceFrancois Romieu
The PM hooks are no-op if the r8169 interface is down (i.e. !IFF_UP). However, as the chipset is enabled, the device will not work after a suspend/resume cycle. The patch always issue the required PCI suspend sequence and removes the module unload/reload workaround. Signed-off-by: Arnaud Patard <apatard@mandriva.com> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-03r8169: issue request_irq after the private data are completely initializedFrancois Romieu
The irq handler schedules a NAPI poll request unconditionally as soon as the status register is not clean. It has been there - and wrong - for ages but a recent timing change made it apparently easier to trigger. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Jay Cliburn <jacliburn@bellsouth.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-09r8169: fix a race between PCI probe and dev_openFrancois Romieu
Initialize the timer with the rest of the private-struct. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-09r8169: revert bogus BMCR resetFrancois Romieu
Added during bf793295e1090af84972750898bf8470df5e5419 The current code requests a reset but prohibits autoneg, 1000 Mb/s, 100 Mb/s and full duplex. The 8168 does not like it at all. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-02[VLAN]: Avoid a 4-order allocation.Dan Aloni
This patch splits the vlan_group struct into a multi-allocated struct. On x86_64, the size of the original struct is a little more than 32KB, causing a 4-order allocation, which is prune to problems caused by buddy-system external fragmentation conditions. I couldn't just use vmalloc() because vfree() cannot be called in the softirq context of the RCU callback. Signed-off-by: Dan Aloni <da-x@monatomic.org> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-20r8169: RTNL and flush_scheduled_work deadlockFrancois Romieu
flush_scheduled_work() in net_device->close has a slight tendency to deadlock with tasks on the workqueue that hold RTNL. rtl8169_close/down simply need the recovery tasks to not meddle with the hardware while the device is going down. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-09[PATCH] uintptr_t is unsigned long, not u32Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-12-26r8169: extraneous Cmd{Tx/Rx}Enb writeFrancois Romieu
Checked in Realtek's driver, this one has no business being there. The driver still works but there is a noticeable performance drop. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-12-26r8169: use the broken_parity_status field in pci_devFrancois Romieu
The former option is removed and platform code can now specify the expected behavior. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-07Merge tag 'r8169-upstream-20061204-00' of ↵Jeff Garzik
git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6 into upstream
2006-12-05Merge branch 'master' of ↵David Howells
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
2006-12-04r8169: more alignment for the 0x8168Francois Romieu
Two thirds of packets are lost because of misalignment. Users of Asus laptop did apparently not notice it. Reported on Gigabyte GA-945GM-S2. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7517 Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-12-04r8169: phy program updateFrancois Romieu
This is commented out in Realtek's driver as well. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-12-04r8169: tweak the PCI data parity error recoveryFrancois Romieu
The 8110SB based n2100 board signals a lot of what ought to be PCI data parity errors durint operation of the 8169 as target. Experiment proved that the driver can ignore the error and process the packet as if nothing had happened. Let's add an ad-hoc knob to enable users to fix their system while avoiding the risks of a wholesale change. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-12-04r8169: more magic during initialization of the hardwareFrancois Romieu
Mostly taken from Realtek's driver. It's a bit yucky but the original is even worse. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
2006-12-02r8169: perform a PHY reset before any other operation at boot timeFrancois Romieu
Realtek's 8139/810x (0x8136) PCI-E comes with a touchy PHY. A big heavy reset seems to calm it down. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7378. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
2006-11-29[PATCH] r8169: Fix iteration variable signFrancois Romieu
This changes the type of variable "i" in rtl8169_init_one() from "unsigned int" to "int". "i" is checked for < 0 later, which can never happen for "unsigned". This results in broken error handling. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-22WorkStruct: make allyesconfigDavid Howells
Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
2006-10-29Revert "r8169: mac address change support"Linus Torvalds
This reverts commit a2b98a697fa4e7564f78905b83db122824916cf9. As per Guennadi Liakhovetski, the mac address change support code breaks some normal uses (_without_ any address changes), and until it's all sorted out, we're better off without it. Says Francois: "Go revert it. Despite what I claimed, I can not find a third-party confirmation by email that it works elsewhere. It would probably be enough to remove the call to __rtl8169_set_mac_addr() in rtl8169_hw_start() though." See also http://bugzilla.kernel.org/show_bug.cgi?id=6032 Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-21Merge tag 'jg-20061012-00' of ↵Jeff Garzik
git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6 into tmp
2006-10-12r8169: fix infinite loop during hotplugArnaud Patard
Bug reported for PCMCIA. Signed-off-by: Arnaud Patard <apatard@mandriva.com> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-10-09r8169: PCI ID for Corega Gigabit network cardAndrew Morton
Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7239. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-10-05IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-09-24Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (217 commits) net/ieee80211: fix more crypto-related build breakage [PATCH] Spidernet: add ethtool -S (show statistics) [NET] GT96100: Delete bitrotting ethernet driver [PATCH] mv643xx_eth: restrict to 32-bit PPC_MULTIPLATFORM [PATCH] Cirrus Logic ep93xx ethernet driver r8169: the MMIO region of the 8167 stands behin BAR#1 e1000, ixgb: Remove pointless wrappers [PATCH] Remove powerpc specific parts of 3c509 driver [PATCH] s2io: Switch to pci_get_device [PATCH] gt96100: move to pci_get_device API [PATCH] ehea: bugfix for register access functions [PATCH] e1000 disable device on PCI error drivers/net/phy/fixed: #if 0 some incomplete code drivers/net: const-ify ethtool_ops declarations [PATCH] ethtool: allow const ethtool_ops [PATCH] sky2: big endian [PATCH] sky2: fiber support [PATCH] sky2: tx pause bug fix drivers/net: Trim trailing whitespace [PATCH] ehea: IBM eHEA Ethernet Device Driver ... Manually resolved conflicts in drivers/net/ixgb/ixgb_main.c and drivers/net/sky2.c related to CHECKSUM_HW/CHECKSUM_PARTIAL changes by commit 84fa7933a33f806bbbaae6775e87459b1ec584c0 that just happened to be next to unrelated changes in this update.
2006-09-22Merge tag 'r8169-20060920-00' of ↵Jeff Garzik
git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6 into tmp
2006-09-22[NET]: Replace CHECKSUM_HW by CHECKSUM_PARTIAL/CHECKSUM_COMPLETEPatrick McHardy
Replace CHECKSUM_HW by CHECKSUM_PARTIAL (for outgoing packets, whose checksum still needs to be completed) and CHECKSUM_COMPLETE (for incoming packets, device supplied full checksum). Patch originally from Herbert Xu, updated by myself for 2.6.18-rc3. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-20r8169: the MMIO region of the 8167 stands behin BAR#1Francois Romieu
Reported by Matt Bockol <mbockol@carleton.edu> to make its LOM (MSI 965 Neo) work. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-09-13drivers/net: const-ify ethtool_ops declarationsJeff Garzik
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-12Merge tag 'r8169-20060912-00' of ↵Jeff Garzik
git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6 into tmp
2006-09-11r8169: quirk for the 8110sb on arm platformFrancois Romieu
Inverting the write ordering of the TxDescAddr{High/Low} registers suffices to trigger a sabbat of PCI errors which make the device completely dysfunctional. The issue has not been reported on a different platform. Switching from MMIO accesses to I/O ones as done in Realtek's own driver fixes (papers over ?) the bug as well but I am not thrilled to see everyone pay the I/O price for an obscure bug. This is the minimal change to handle the issue. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Reported-by: Lennert Buytenhek <buytenh@wantstofly.org>
2006-08-31r8169: the 0x8136 needs a 8 bytes alignmentFrancois Romieu
Reported by Darren Salt. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-08-31r8169: add basic MII ioctl supportFrancois Romieu
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-08-31r8169: use standard #defines from mii.h instead of declaring private onesFrancois Romieu
Some unused stuff goes away btw. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2006-08-31r8169: trim trailing whitespaces and convert whitespaces to tabsFrancois Romieu
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
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