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2008-06-04tipc: Message rejection rework preparatory changesAllan Stephens
This patch defines a few new message header manipulation routines, and generalizes the usefulness of another, in preparation for upcoming rework of TIPC's message rejection code. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Fix bugs in rejection of message with short headerAllan Stephens
This patch ensures that TIPC doesn't try to access non-existent message header fields when rejecting a message with a short header. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Message header creation optimizationsAllan Stephens
This patch eliminates several cases where message header fields were being set to the same value twice. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Expand link sequence gap field to 13 bitsAllan Stephens
This patch increases the "sequence gap" field of the LINK_PROTOCOL message header from 8 bits to 13 bits (utilizing 5 previously unused 0 bits). This ensures that the field is big enough to indicate the loss of up to 8191 consecutive messages on the link, thereby accommodating the current worst-case scenario of 4000 lost messages. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Add missing spinlock in name table display codeAllan Stephens
This patch ensures that the display code that traverses the publication lists belonging to a name table entry take its associated spinlock, to protect against a possible change to one of its "head of list" pointers caused by a simultaneous name table lookup operation by another thread of control. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Prevent display of name table types with no publicationsAllan Stephens
This patch adds a check to prevent TIPC's name table display code from listing a name type entry if it exists only to hold subscription info, rather than published names. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Optimize message initialization routineAllan Stephens
This patch eliminates the rarely-used "error code" argument when initializing a TIPC message header, since the default value of zero is the desired result in most cases; the few exceptional cases now set the error code explicitly. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Prevent access of non-existent field in short message headerAllan Stephens
This patch eliminates a case where TIPC's link code could try reading a field that is not present in a short message header. (The random value obtained was not being used, but the read operation could result in an invalid memory access exception in extremely rare circumstances.) Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Minor optimizations to received message processingAllan Stephens
This patch enhances TIPC's handler for incoming messages in two ways: - the trivial, single-use routine for processing non-sequenced messages has been merged into the main handler - the interface that received a message is now identified without having to access and/or modify the associated sk_buff Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Fix minor bugs in link session number handlingAllan Stephens
This patch introduces a new, out-of-range value to indicate that a link endpoint does not have an existing session established with its peer, eliminating the risk that the previously used "invalid session number" value (i.e. zero) might eventually be assigned as a valid session number and cause incorrect link behavior. The patch also introduces explicit bit masking when assigning a new link session number to ensure it does not exceed 16 bits. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Fix bugs in message error code display when debuggingAllan Stephens
This patch corrects two problems in the display of error code information in TIPC messages when debugging: - no longer tries to display error code in NAME_DISTRIBUTOR messages, which don't have the error field - now displays error code in 24 byte data messages, which do have the error field Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Standardize error checking on incoming messages via native APIAllan Stephens
This patch re-orders & re-groups the error checks performed on messages being delivered to native API ports, in order to clarify the similarities and differences required for the various message types. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-04tipc: Fix bug in connection setup via native APIAllan Stephens
This patch fixes a bug that prevented TIPC from receiving a connection setup request message on a native TIPC port. The revised connection setup logic ensures that validation of the source of a connection-based message is skipped if the port is not yet connected to a peer. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-30ns8320: use netdev_alloc_skbStephen Hemminger
Use netdev_alloc_skb. This sets skb->dev and allows arch specific allocation. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30ts108: use netdev_alloc_skbStephen Hemminger
Use netdev_alloc_skb for rx buffer allocation. This sets skb->dev and can be overriden for NUMA machines. This device is PowerPC only, so not tested or compiled. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30net/s2io: set_rxd_buffer_pointer returns -ENOMEM, not ENOMEMMarcin Slusarz
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Ramkrishna Vepa <ram.vepa@neterion.com> Cc: Rastapur Santosh <santosh.rastapur@neterion.com> Cc: Sivakumar Subramani <sivakumar.subramani@neterion.com> Cc: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30sky2: pci power savingsStephen Hemminger
Turn on special bits to save more power when device is shutdown. Tested on a limited range of hardware, some of the bits are for hardware that probably isn't even in production (like Yukon Supreme) and was ported from the vendor driver. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30sky2: put PHY in sleep when downStephen Hemminger
Put PHY int sleep mode (from vendor sk98lin 10.50 driver) when the network device is brought down. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30sky2: split phy power into two functionsStephen Hemminger
Later changes add more code to PHY power changes so refactor now. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30[netdrvr] forcedeth: reorder suspend/resume codeTobias Diedrich
Match the suspend/resume code ordering in e100/e1000e more closely. For example the configuration space should be saved on suspend even for devices that are not up. Signed-off-by: Tobias Diedrich <ranma+kernel@tdiedrich.de> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30[netdrvr] forcedeth: save/restore device configuration spaceTobias Diedrich
The memory mapped device configuration space is lost during hibernate. Save and restore it (fixes 'swapped mac' problem). Signed-off-by: TTobias Diedrich <ranma+kernel@tdiedrich.de> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30[netdrvr] forcedeth: setup wake-on-lan before shutting downTobias Diedrich
When hibernating in 'shutdown' mode, after saving the image the suspend hook is not called again. However, if the device is in promiscous mode, wake-on-lan will not work. This adds a shutdown hook to setup wake-on-lan before the final shutdown. Signed-off-by: Tobias Diedrich <ranma+kernel@tdiedrich.de> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30ps3: gelic: updown_lock semaphore to mutexDaniel Walker
Signed-off-by: Daniel Walker <dwalker@mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30ps3: gelic: assoc_stat_lock semaphore to mutexDaniel Walker
Signed-off-by: Daniel Walker <dwalker@mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30ps3: gelic: scan_lock semaphore to mutexDaniel Walker
Signed-off-by: Daniel Walker <dwalker@mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30fs_enet: MDIO on GPIO supportLaurent Pinchart
Port the fs_enet driver to support the MDIO on GPIO driver for PHY access in addition to the mii-bitbang driver. Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30net: OpenFirmware GPIO based MDIO bitbang driverLaurent Pinchart
This patch adds an MDIO bitbang driver that uses the GPIO library and its OF bindings to access the bus I/Os. Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30sfc: Reduce I2C udelay to 5 resulting in a clock frequency of 100 kHzBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30sfc: Use kernel I2C system and i2c-algo-bit driverBen Hutchings
Remove our own implementation of I2C bit-banging. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30cxgb3: fix build error when INET=nRandy Dunlap
cxgb3 uses lro_* functions and selects INET_LRO, but this doesn't help unless INET is already enabled, so make the driver depend on INET also. sge.c:(.text+0x9f09a): undefined reference to `lro_flush_all' sge.c:(.text+0x9f62f): undefined reference to `lro_receive_skb' sge.c:(.text+0x9f8a3): undefined reference to `lro_receive_frags' sge.c:(.text+0x9fbe0): undefined reference to `lro_vlan_hwaccel_receive_skb' sge.c:(.text+0x9ffcd): undefined reference to `lro_vlan_hwaccel_receive_frags' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30tlan: wrap source linesStephen Hemminger
Make driver more readable on standard 80 col windows. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30tlan: proper shared IRQ supportStephen Hemminger
Handle shared IRQ correctly. If IRQ is shared, it typically will show up as an IRQ with an empty status field. So check in driver and handle it without crapping out with invalid interrupt message. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30tlan: manage rx allocation failure betterStephen Hemminger
Rx allocation failure at runtime is non-fatal. For normal Rx frame, it just reuses the buffer, and during setup it just continues with a smaller receive buffer pool. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30tlan: 64bit conversionStephen Hemminger
Make this driver compile cleanly on 64 bit platforms. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30tlan: remove unused devName fieldStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30tlan: use netdevice statsStephen Hemminger
Use new netdevice common stats area. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30tlan: get rid of padding bufferStephen Hemminger
Use skb_padto to pad frames, this avoid allocation of separate buffer just for dma of the extra bytes. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30myri10ge: add Direct Cache Access supportBrice Goglin
Add I/O AT DCA (Direct Cache Access) support. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Andrew Gallatin <gallatin@myri.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30myri10ge: add multislices supportBrice Goglin
Add multi-slice/MSI-X support. By default, a single slice (and the normal firmware) are used. To enable msi-x, multi-slice mode, one must load the driver with myri10ge_max_slices set to either -1, or something larger than 1. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Andrew Gallatin <gallatin@myri.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-30myri10ge: add routines for multislicesBrice Goglin
Add several routines that multislices support will use. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Andrew Gallatin <gallatin@myri.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-29Merge branch 'upstream-next-davem' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
2008-05-29tcp: Reorganize tcp_sock to fill 64-bit holes & improve localityIlpo Järvinen
I tried to group recovery related fields nearby (non-CA_Open related variables, to be more accurate) so that one to three cachelines would not be necessary in CA_Open. These are now contiguously deployed: struct sk_buff_head out_of_order_queue; /* 1968 80 */ /* --- cacheline 32 boundary (2048 bytes) --- */ struct tcp_sack_block duplicate_sack[1]; /* 2048 8 */ struct tcp_sack_block selective_acks[4]; /* 2056 32 */ struct tcp_sack_block recv_sack_cache[4]; /* 2088 32 */ /* --- cacheline 33 boundary (2112 bytes) was 8 bytes ago --- */ struct sk_buff * highest_sack; /* 2120 8 */ int lost_cnt_hint; /* 2128 4 */ int retransmit_cnt_hint; /* 2132 4 */ u32 lost_retrans_low; /* 2136 4 */ u8 reordering; /* 2140 1 */ u8 keepalive_probes; /* 2141 1 */ /* XXX 2 bytes hole, try to pack */ u32 prior_ssthresh; /* 2144 4 */ u32 high_seq; /* 2148 4 */ u32 retrans_stamp; /* 2152 4 */ u32 undo_marker; /* 2156 4 */ int undo_retrans; /* 2160 4 */ u32 total_retrans; /* 2164 4 */ ...and they're then followed by URG slowpath & keepalive related variables. Head of the out_of_order_queue always needed for empty checks, if that's empty (and TCP is in CA_Open), following ~200 bytes (in 64-bit) shouldn't be necessary for anything. If only OFO queue exists but TCP is in CA_Open, selective_acks (and possibly duplicate_sack) are necessary besides the out_of_order_queue but the rest of the block again shouldn't be (ie., the other direction had losses). As the cacheline boundaries depend on many factors in the preceeding stuff, trying to align considering them doesn't make too much sense. Commented one ordering hazard. There are number of low utilized u8/16s that could be combined get 2 bytes less in total so that the hole could be made to vanish (includes at least ecn_flags, urg_data, urg_mode, frto_counter, nonagle). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Acked-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29wanrouter: Fix ioctl handler declaration.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Update version to 3.93Matt Carlson
This patch increments the version to 3.93. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Add shmem options.Matt Carlson
This patch adds some options obtained through shared memory. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Add 5785 ASIC revisionMatt Carlson
This patch added the 5785 device ID and ASIC revision to the code. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Add libphy support.Matt Carlson
This patch introduces the libphy support. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Add mdio bus registrationMatt Carlson
This patch introduces code to register and unregister the tg3 mdio bus with the system. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Add TG3_FLG3_USE_PHYLIBMatt Carlson
This patch introduces the TG3_FLG3_USE_PHYLIB flag and applies it to some select places. This work makes later patches a little easier to read. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Code cleanup.Matt Carlson
This patch applies cleanups that would otherwise clutter later patches. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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