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path: root/drivers/ieee1394/eth1394.c
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2007-06-16ieee1394: fix to ether1394_tx in ether1394.cCarlos E. Ugarte
This patch fixes a problem that occurs when packets cannot be sent across the ieee1394 bus and we return NETDEV_TX_BUSY in the net driver "hard start xmit" routine ether1394_tx. When we return NETDEV_TX_BUSY the stack will call ether1394_tx again with the same skb. So we need to restore the header to look like it did before we munged it for xmit over ieee1394. [Stefan Richter: changed whitespace, deleted a local variable] Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: eth1394: bring back a parent deviceStefan Richter
This adds a real parent device to eth1394's ethX device like in Linux 2.6.20 and older. However, due to unfinished conversion of the ieee1394 away from class_device, we now refer to the FireWire controller's PCI device as the parent, not to the ieee1394 driver's fw-host device. Having a real parent device instead of a virtual one allows udev scripts to distinguish eth1394 interfaces from networking bridges, bondings and the likes. Fixes a regression since 2.6.21: https://bugs.gentoo.org/show_bug.cgi?id=177199 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: eth1394: handle tlabel exhaustionStefan Richter
When eth1394 was unable to acquire a transaction label, it just dropped outgoing packets without attempt to resend them later. The transmit queue is now halted if no tlabel is available to ->hard_start_xmit(). A workqueue job is then scheduled to catch the moment when ieee1394 recycled the next lot of tlabels. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=8402 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: eth1394: remove bogus netif_wake_queueStefan Richter
When we are within hard_start_xmit, the queue is already awake. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: send async streams at S100 on 1394b busesStefan Richter
eth1394 did not work on buses consisting of S100B...S400B hardware because it attempted to send GASP packets at S800. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: fix error path in module_initAkinobu Mita
This patch fixes some error handlings in eth1394: - check return value of kmem_cache_create() - cleanup resources if hpsb_register_protocol() fails Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (whitespace)
2007-04-30ieee1394: eth1394: correct return codes in hard_start_xmitStefan Richter
This patch actually doesn't change anything because there was always 0 == NETDEV_TX_OK returned before. TODO: Return NETDEV_TX_BUSY in error case and test in different error conditions. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: hard_start_xmit is called in atomic contextStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: some conditions are unlikelyStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: clean up fragment_overlapStefan Richter
offset > fi->offset + fi->len - 1 == !(offset < fi->offset + fi->len) offset + len - 1 < fi->offset == !(offset + len > fi->offset) !(A || B) == (!A && !B) Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: don't use alloc_etherdevStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: omit useless set_mac_address callbackStefan Richter
We can't reconfigure the MAC address, hence we don't need the callback. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: CONFIG_INET is always definedStefan Richter
because CONFIG_IEEE1394_ETH1394 depends on it. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: allow MTU bigger than 1500Stefan Richter
RFC 2734 says: "IP-capable nodes may operate with an MTU size larger than the default [1500 octets], but the means by which a larger MTU is configured are beyond the scope of this document." Allow users to set an MTU bigger than 1500. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: contain host resetStefan Richter
Call only eth1394's own host reset handler from .tx_timeout, not the reset hooks of all other IEEE 1394 drivers. A minor drawback of this patch is that ether1394_host_reset by timeout is not serialized against ether1394_host_reset by bus reset. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: shorter error messagesStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: correct a memset argumentStefan Richter
The old argument calculated the correct value in a wrong way. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: refactor .probe and .updateStefan Richter
Move common code into an extra function. This implicitly adds a missing node_info->fifo = CSR1212_INVALID_ADDR_SPACE; to .update. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: .probe and .update may sleepStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: coding styleStefan Richter
Adjust white space and line wraps. Remove unnecessary parentheses and braces, unused macros, and some of the more redundant comments. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: Move common recv_init code to helper functionJean Delvare
There is some common code between ether1394_open and ether1394_add_host which can be moved to a separate helper function for a slightly smaller eth1394 driver (-160 bytes on i386.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: don't autoload by hotplug when ohci1394 startsStefan Richter
Until now, ieee1394 put an IP-over-1394 capability entry into each new host's config ROM. As soon as the controller was initialized --- i.e. right after modprobe ohci1394 --- this entry triggered a hotplug event which typically caused auto-loading of eth1394. This irritated or annoyed many users and distributors. Of course they could blacklist eth1394, but then ieee1394 wrongly advertized IP-over- 1394 capability to the FireWire bus. Therefore - remove the offending kernel config option IEEE1394_CONFIG_ROM_IP1394, - let eth1394 add the ROM entry by itself, i.e. only after eth1394 was loaded. This fixes http://bugzilla.kernel.org/show_bug.cgi?id=7793 . To emulate the behaviour of older kernels, simply add the following to to /etc/modprobe.conf: install ohci1394 /sbin/modprobe eth1394; \ /sbin/modprobe --ignore-install ohci1394 Note, autoloading of eth1394 when an _external_ IP-over-1394 capable device is discovered is _not_ affected by this patch. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: reduce excessive function inliningStefan Richter
Shrinks eth1394.ko by about 5%. Many of these functions have only one caller and are therefore auto- inlined anyway. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: clean up host removalStefan Richter
ether1394_add_host() guarantees that hi->dev != NULL if hi != NULL. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: unregister address space in failure caseStefan Richter
Warn if hpsb_allocate_and_register_addrspace() failed. Unregister the address space if something else failed. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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[SK_BUFF]: Introduce skb_reset_mac_header(skb)Arnaldo Carvalho de Melo
For the common, open coded 'skb->mac.raw = skb->data' operation, so that we can later turn skb->mac.raw into a offset, reducing the size of struct sk_buff in 64bit land while possibly keeping it as a pointer on 32bit. This one touches just the most simple case, next will handle the slightly more "complex" cases. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-23ieee1394: fix oops on "modprobe -r ohci1394" after network class_device ↵Stefan Richter
conversion The networking subsystem has been converted from class_device to device but ieee1394 hasn't. This results in a 100% reproducible NULL pointer dereference if the ohci1394 driver module is unloaded while the eth1394 module is still loaded. http://lkml.org/lkml/2006/11/16/147 http://lkml.org/lkml/2007/3/14/4 This is a regression in 2.6.21-rc1. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Tested-by: Ismail Dönmez <ismail@pardus.org.tr>
2007-02-14[PATCH] remove many unneeded #includes of sched.hTim Schmielau
After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-12-07ieee1394: Consolidate driver registeringBen Collins
This patch consolidates some bookkeeping for driver registering. It closely models what pci_register_driver() does. The main addition is that the owner of the driver is set, so we get a proper symlink for /sys/bus/ieee1394/driver/*/module. Also moves setting of name and bus type into nodemgr. Because of this, we can remove the EXPORT_SYMBOL for ieee1394_bus_type, since it's now only used in ieee1394.ko. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2006-12-07[PATCH] slab: remove kmem_cache_tChristoph Lameter
Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-30[ETH1394]: Fix unaligned accesses.David S. Miller
Several u64 objects are derefernced in situations where the pointer is not guarenteed to be aligned correctly. Use get_unaligned() as needed. Thanks to Will Simoneau for lots of testing and debugging help. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2006-09-17ieee1394: remove #include <asm/semaphore.h>Stefan Richter
These includes in ieee1394_core and eth1394 are obsolete. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2006-07-03[PATCH] ieee1394: update #include directives in midlayer header filesStefan Richter
Remove unnecessary includes, add missing includes. Use forward type declarations for some structs. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
2006-06-26[PATCH] drivers: use list_move()Akinobu Mita
This patch converts the combination of list_del(A) and list_add(A, B) to list_move(A, B) under drivers/. Acked-by: Corey Minyard <minyard@mvista.com> Cc: Ben Collins <bcollins@debian.org> Acked-by: Roland Dreier <rolandd@cisco.com> Cc: Alasdair Kergon <dm-devel@redhat.com> Cc: Gerd Knorr <kraxel@bytesex.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Frank Pavlic <fpavlic@de.ibm.com> Acked-by: Matthew Wilcox <matthew@wil.cx> Cc: Andrew Vasquez <linux-driver@qlogic.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Greg Kroah-Hartman <greg@kroah.com> Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-12eth1394: replace __constant_htons by htonsBen Collins
...and __constant_ntohs, __constant_ntohl, __constant_cpu_to_be32 too where possible. Htons and friends are resolved to constants in these places anyway. Also fix an endianess glitch in a log message, spotted by Alexey Dobriyan. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
2006-06-12ieee1394: add preprocessor constant for invalid csr addressBen Collins
Replace occurrences of the magic value ~(u64)0 for invalid CSR address spaces by a named constant for better readability. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
2006-06-12[PATCH] eth1394: endian fixesBen Collins
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
2006-06-12ieee1394: support for slow links or slow 1394b phy portsBen Collins
Add support for the following types of hardware: + nodes that have a link speed < PHY speed + 1394b PHYs that are less than S800 capable + 1394b/1394a adapter cable between two 1394b PHYs Also, S1600 and S3200 are now supported if IEEE1394_SPEED_MAX is raised. A probing function is added to nodemgr's config ROM fetching routine which adjusts the allowable speed if an access problem was encountered. Pros and Cons of the approach: + minimum code footprint to support this less widely used hardware + nearly no overhead for unaffected hardware - ineffective before nodemgr began to read the ROM of affected nodes - ineffective if ieee1394 is loaded with disable_nodemgr=1 The speed map CSRs which are published to the bus are not touched by the patch. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Hakan Ardo <hakan@debian.org> Cc: Calculex <linux@calculex.com> Cc: Robert J. Kosinski <robk@cmcherald.com> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
2005-11-07kmalloc/kzalloc changes:Stefan Richter
dv1394, eth1394, ieee1394, ohci1394, pcilynx, raw1394, sbp2c, video1394: - use kzalloc - provide safer size arguments to kmalloc and kzalloc - omit some casts Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Jody McIntyre <scjody@modernduck.com>
2005-11-07Remove version strings from eth1394, ohci1394, sbp2.Stefan Richter
Their version information is not trustworthy. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Jody McIntyre <scjody@modernduck.com>
2005-10-28[PATCH] gfp_t: remaining bits of drivers/*Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-30[PATCH] eth1394: workaround limitation in rawiso routinesJody McIntyre
Work around limitation in rawiso routines. Required with 1394b cards on architectures where PAGE_SIZE is 4096. Based on a previous patch by Ben Collins. Signed-off-by: Jody McIntyre <scjody@steamballoon.com> Cc: Ben Collins <bcollins@debian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-10[PATCH] Sync up ieee-1394Ben Collins
Lots of this patch is trivial code cleanups (static vars were being intialized to 0, etc). There's also some fixes for ISO transmits (max buffer handling). Aswell, we have a few fixes to disable IRM capabilites correctly. We've also disabled, by default some generally unused EXPORT symbols for the sake of cleanliness in the kernel. However, instead of removing them completely, we felt it necessary to have a config option that allowed them to be enabled for the many projects outside of the main kernel tree that use our API for driver development. The primary reason for this patch is to revert a MODE6->MODE10 RBC conversion patch from the SCSI maintainers. The new conversions handled directly in the scsi layer do not seem to work for SBP2. This patch reverts to our old working code so that users can enjoy using Firewire disks and dvd drives again. We are working with the SCSI maintainers to resolve this issue outside of the main kernel tree. We'll merge the patch once the SCSI layer's handling of the MODE10 conversion is working for us. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-16Linux-2.6.12-rc2Linus Torvalds
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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