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* [NET]: Split skb->csumAl Viro2006-12-021-1/+1
| | | | | | | ... into anonymous union of __wsum and __u32 (csum and csum_offset resp.) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] myri10ge: ServerWorks HT2000 PCI id is already defined in pci_ids.hBrice Goglin2006-10-311-1/+0
| | | | | | | | No need to keep defining PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE in the driver code since it is now defined in pci_ids.h. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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)
* Merge branch 'upstream-linus' of ↵Linus Torvalds2006-09-242-45/+232
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
| * drivers/net: const-ify ethtool_ops declarationsJeff Garzik2006-09-131-1/+1
| | | | | | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] myri10ge: improve firmware selectionBrice Goglin2006-09-061-7/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Improve the firmware selection by adding 2 cases where we should use the optimized firmware: * when the actual PCIe link width is lower than 8x. * when the board is plugged to one of the new Intel PCIe chipsets that are known to provide aligned PCIe completions. The patch actually raises two concerns: * We might want to add a generic PCI function to get the PCIe link width since some other drivers (at least ipath) do the same. But we probably do not want to add a new function for every PCIe capability. I will probably look at it and discuss it on linux-pci in the future. * As requested during the submission, the PCI ids of chipsets that are known to provided aligned completion are defined in the myri10ge code. If we keep adding new ones, it might become better to move them to pciids.h. But, this sort of quirk to detect these chipsets are very specific to our NIC, I don't think it is worth moving it to the PCI core until somebody else really needs it. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] myri10ge: use multicast support in the firmwareBrice Goglin2006-08-242-8/+124
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Some recent myri10ge firmwares support multicast filtering as well as an extended mcp_irq_data structure (64 instead of 40 bytes). The new command MXGEFW_CMD_SET_STATS_DMA_V2 is used to check whether the firmware support those. mgp->fw_multicast_support is defined accordingly. When fw_multicast_support is set, some new multicast filtering commands is passed to the board in myri10ge_set_multicast_list(). Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] myri10ge: use netif_msg_linkBrice Goglin2006-08-241-7/+39
| | | | | | | | | | | | | | | | | | | | | | | | Add msg_enable and use netif_msg_link to enable/disable reporting of link status changes since some Ethernet switches seem to generate a lot of status changes under some circumstances and some people want to avoid useless flooding in the logs. Also add a counter for link status changes to statistics. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] myri10ge: convert to netdev_alloc_skbBrice Goglin2006-08-191-17/+20
| | | | | | | | | | | | | | | | Convert the myri10ge driver to use netdev_alloc_skb instead of dev_alloc_skb, which requires to propagate the net_device across several functions. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] myri10ge: define some previously hardwired firmware constantsBrice Goglin2006-08-192-8/+23
| | | | | | | | | | | | | | Define some previously hardwired firmware constants. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | [NET]: Replace CHECKSUM_HW by CHECKSUM_PARTIAL/CHECKSUM_COMPLETEPatrick McHardy2006-09-221-4/+4
|/ | | | | | | | | | | 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>
* [PATCH] myri10ge: always re-enable dummy rdmas in myri10ge_resumeBrice Goglin2006-08-091-1/+1
| | | | | | | | | | Dummy RDMA are always enabled on device startup since commit 9a71db721a2cbb9921b929b2699ab181f5a3c6c0 (to work around buggy PCIe chipsets which do not implement resending properly). But, we also need to always re-enable them when resuming the device. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge - Fix spurious invokations of the watchdog reset handlerBrice Goglin2006-08-031-1/+4
| | | | | | | Fix spurious invocations of the watchdog reset handler. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge - Write the firmware in 256-bytes chunksBrice Goglin2006-08-031-12/+7
| | | | | | | | | When writing the firmware to the NIC, the FIFO is 256-bytes long, so we use 256-bytes chunks and a read to wait until the previous write is done. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge - Always do a dummy RDMA after loading the firmwareBrice Goglin2006-07-291-1/+1
| | | | | | | | | | Always do a dummy RDMA after loading the firmware to work around buggy PCIe chipsets which do not implement resending properly. This is so cheap as to be almost free, and should never have been conditional on the tx boundary != 4096. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge return value fixBrice Goglin2006-07-121-3/+10
| | | | | | | | | | | | | | | Andrew Morton wrote: > All these functions return error codes, and we're not checking them. We > should. So there's a patch which marks all these things as __must_check, > which causes around 1,500 new warnings. > The following patch fixes such a warning in myri10ge. Check pci_enable_device() return value in myri10ge_resume(). Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [NET] gso: Add skb_is_gsoHerbert Xu2006-07-081-1/+1
| | | | | | | | | | This patch adds the wrapper function skb_is_gso which can be used instead of directly testing skb_shinfo(skb)->gso_size. This makes things a little nicer and allows us to change the primary key for indicating whether an skb is GSO (if we ever want to do that). Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] myri10ge - Export more parameters to ethtoolBrice Goglin2006-07-051-0/+5
| | | | | | | | Add the IRQ line, the tx_boundary, and whether Write-combining and MSI are enabled to the list of parameters that are exported to ethtool. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge - Use dev_info() when printing parameters after probeBrice Goglin2006-07-051-5/+4
| | | | | | | | | | Displaying the interface name when listing the device parameters at the end of myri10ge_probe is not a good idea since udev might rename the interface soon afterwards. Print the bus id instead, using dev_info(). Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge - Drop ununsed nvidia chipset idbrice@myri.com2006-07-051-2/+0
| | | | | | | | The workaround for the AER capability of the nVidia chipset has been removed, we don't need this PCI id anymore. Drop it. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge - Drop unused pm_statebrice@myri.com2006-07-051-1/+0
| | | | | | | The pm_state field in the myri10ge_priv structure is unused. Drop it. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] irq-flags: drivers/net: Use the new IRQF_ constantsThomas Gleixner2006-07-021-2/+2
| | | | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [NET]: Merge TSO/UFO fields in sk_buffHerbert Xu2006-06-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Having separate fields in sk_buff for TSO/UFO (tso_size/ufo_size) is not going to scale if we add any more segmentation methods (e.g., DCCP). So let's merge them. They were used to tell the protocol of a packet. This function has been subsumed by the new gso_type field. This is essentially a set of netdev feature bits (shifted by 16 bits) that are required to process a specific skb. As such it's easy to tell whether a given device can process a GSO skb: you just have to and the gso_type field and the netdev's features field. I've made gso_type a conjunction. The idea is that you have a base type (e.g., SKB_GSO_TCPV4) that can be modified further to support new features. For example, if we add a hardware TSO type that supports ECN, they would declare NETIF_F_TSO | NETIF_F_TSO_ECN. All TSO packets with CWR set would have a gso_type of SKB_GSO_TCPV4 | SKB_GSO_TCPV4_ECN while all other TSO packets would be SKB_GSO_TCPV4. This means that only the CWR packets need to be emulated in software. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Avoid allocating skb in skb_padHerbert Xu2006-06-231-2/+1
| | | | | | | | | | | | | | | | | | | | First of all it is unnecessary to allocate a new skb in skb_pad since the existing one is not shared. More importantly, our hard_start_xmit interface does not allow a new skb to be allocated since that breaks requeueing. This patch uses pskb_expand_head to expand the existing skb and linearize it if needed. Actually, someone should sift through every instance of skb_pad on a non-linear skb as they do not fit the reasons why this was originally created. Incidentally, this fixes a minor bug when the skb is cloned (tcpdump, TCP, etc.). As it is skb_pad will simply write over a cloned skb. Because of the position of the write it is unlikely to cause problems but still it's best if we don't do it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] myri10ge - drop workaround pci_save_state() disabling MSI Brice Goglin2006-06-221-2/+0
| | | | | | | | | We don't need to restore the state right after saving it for later recovery since commit 99dc804d9bcc2c53f4c20c291bf4e185312a1a0c (PCI: disable msi mode in pci_disable_device) now prevents pci_save_state() from disabling MSI. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge - drop workaround for the missing AER ext cap on nVidia CK804 Brice Goglin2006-06-221-6/+0
| | | | | | | | | | We don't need to hardcode the AER capability of the nVidia CK804 chipset anymore since commit cf34a8e07f02c76f3f1232eecb681301a3d7b10b (PCI: nVidia quirk to make AER PCI-E extended capability visible) now makes sure that this cap will be available to pci_find_ext_capability(). Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] myri10ge build fixAndrew Morton2006-06-221-1/+1
| | | | | | | | | | | | Someone changed skb_linearize(). Cc: Brice Goglin <bgoglin@myri.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jeff@garzik.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] myri10ge updateBrice Goglin2006-06-081-20/+38
| | | | | | | | | | | | | | | | | The following patch updates the myri10ge to 1.0.0, with the following changes: * Switch to dma_alloc_coherent API. * Avoid PCI burst when writing the firmware on chipset with unaligned completions. * Use ethtool_op_set_tx_hw_csum instead of ethtool_op_set_tx_csum. * Include linux/dma-mapping.h to bring DMA_32/64BIT_MASK on all architectures (was missing at least on alpha). * Some typo and warning fixes. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Andrew J. Gallatin <gallatin@myri.com> drivers/net/myri10ge/myri10ge.c | 57 +++++++++++++++++++----------- 1 file changed, 37 insertions(+), 20 deletions(-) Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [netdrvr pcnet_cs, myri] trim trailing whitespaceJeff Garzik2006-05-242-13/+13
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* [PATCH] Add Myri-10G Ethernet driverBrice Goglin2006-05-244-0/+3119
Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Andrew J. Gallatin <gallatin@myri.com> drivers/net/Kconfig | 17 drivers/net/Makefile | 1 drivers/net/myri10ge/Makefile | 5 drivers/net/myri10ge/myri10ge.c | 2851 +++++++++++++++ drivers/net/myri10ge/myri10ge_mcp.h | 205 + drivers/net/myri10ge/myri10ge_mcp_gen_header.h | 58 include/linux/pci_ids.h | 1 7 files changed, 3138 insertions(+) Signed-off-by: Jeff Garzik <jeff@garzik.org>
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