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2008-09-03ixgbe: Lock RSS seed, move rx_buf_len to the rx_ringJesse Brandeburg
This locks the seed down so loading/unloading the driver will present predictable hashing from RSS. Also move the rx_buf_len out of the adapter struct, and into the Rx ring struct. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ixgbe: Implement Tx Head WritebackJesse Brandeburg
Enable Tx Head Writeback in the hardware. This helps performance by removing adapter writebacks to descriptors on transmit completion. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ixgbe: disable flow control by defaultJesse Brandeburg
Since the adapter cannot tell what the remote end's flow control capability is through auto-neg, we must turn off flow control by default. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ixgbe: Cleanup references to Tx and Rx rings to becommon across the driverJesse Brandeburg
Cleanup all the different references to the Tx ring and Rx ring structures and make them common across the driver. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ixgbe: do not update stats twice each receiveJesse Brandeburg
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ixgbe: Implement HAVE_SET_RX_MODEChristopher Leech
Implement HAVE_SET_RX_MODE in the driver for MC and UC lists. Signed-off-by: Christopher Leech <christopher.leech@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ixgbe: add little endian annotations for sparseJesse Brandeburg
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ixgbe: fix rx csum return status misinterpretationJesse Brandeburg
the driver was misinterpreting rx_csum return value in the descriptor so occassionally we would indicate an rx_csum error in our stats when there was none. This would have no effect on traffic because we would just hand the packet to the stack anyway without the offload flag set, but would increase CPU for those packets that needed a recompute. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03ibm_newemac: MAL[12]_IER_EVENTS definition: 2x *_OTE -> *_DEroel kluin
MAL[12]_IER_EVENTS definitions have MAL_IER_OTE twice but lack MAL_IER_DE Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03hp-plus: fix link objectsRandy Dunlap
Fix hp-plus Makefile object file: drivers/built-in.o: In function `hpp_open': hp-plus.c:(.text+0xaf445): undefined reference to `ei_interrupt' hp-plus.c:(.text+0xaf4ac): undefined reference to `ei_open' drivers/built-in.o: In function `hpp_close': hp-plus.c:(.text+0xaf59d): undefined reference to `ei_close' drivers/built-in.o: In function `hpp_probe1': hp-plus.c:(.init.text+0x7314): undefined reference to `ei_poll' drivers/built-in.o: In function `hp_plus_probe': (.init.text+0x7407): undefined reference to `__alloc_ei_netdev' make[1]: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03bonding: change some __constant_htons() to htons()Brian Haley
Resending since I didn't see any responses from the first try. Change __constant_htons() to htons() in the bonding driver, it should only be used for initializers. -Brian Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Rework efx_set_multicast_hash()Ben Hutchings
When !port_enabled, defer the write to reconfigure_mac_wrapper. Whilst here, simplify the logic now that efx_start_port() always calls efx_reconfigure_port(). From: Steve Hodgson <shodgson@solarflare.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove the STATE_RESETTING flagBen Hutchings
This was originally a kludge to fix broken locking, which has since been fixed properly. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Extend self-testsBen Hutchings
Include PMA/PMD in loopback self-tests as intended. Add NVRAM checksum validation and include it in self-tests. Add register self-tests. Run PHY self-tests where available. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Rework the bitfield header so that we can identify fields by bit numberBen Hutchings
This will support register self-tests. From: Steve Hodgson <shodgson@solarflare.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Cleanup reset codeBen Hutchings
Move more code from efx_reset() into efx_reset_down() and efx_reset_up(). Stop propagating MAC/PHY setting failures from efx_reset_down() and efx_reset_up() as these should not be fatal. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove some unreachable error pathsBen Hutchings
Some functions return an error code which is always 0. Change their return types to void and simplify their callers accordingly. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove remnants of multi-port abstraction for MAC registersBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove efx_nic_dummy_op_int() as redundant with efx_port_dummy_op_int()Ben Hutchings
Update comment on the dummy operation implementations. Line up the board operation initialisers. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Enable TSO for 802.1q VLAN devicesBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Do not call netif_{stop,wake}_queue() before register_netdevSteve Hodgson
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Make PHY flash mode a device attribute, not a module parameterBen Hutchings
This allows updating PHY firmware for one interface without removing all other interfaces handled by the driver. Replace tx_disabled flags and 10Xpress status enumeration with flags in enum efx_phy_mode. Prevent an interface from being brought up while in PHY flash mode. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Implement get_sset_count, replacing get_stats_count and self_test_countBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Cleanup RX event processingBen Hutchings
Make efx_process_channel() and falcon_process_eventq() return the number of packets received rather than updating the quota, consistent with new NAPI. Since channels and RX queues are mapped one-to-one, remove return value from falcon_handle_rx_event() and add a warning for events with the wrong RX queue number. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove efx_channel::evqnum fieldBen Hutchings
It is redundant with efx_channel::channel. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Make efx_for_each_channel_rx_queue() more efficientBen Hutchings
Currently each channel can have at most one RX queue, so go straight to that one. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove initialisation of RX_FILTER_CTL_REG.NUM_KERBen Hutchings
We have long since given up doing RSS on Falcon A1 and therefore we would always write the default value of 0. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Cleanup RX queue informationBen Hutchings
Rename efx_nic::rss_queues to the more obvious n_rx_queues Remove efx_rx_queue::used and other stuff that's redundant with it. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove efx_channel::has_interruptBen Hutchings
efx_channel::has_interrupt is redundant with efx_channel::used_flags. Remove efx_test_eventq() because it is now obviously unreachable. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Move CPU counting for RSS into a separate function, efx_wanted_rx_queues()Ben Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Export boot configuration in EEPROM through ethtoolBen Hutchings
Extend the SPI device setup code to support this. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Removed forced inlining of long functionsBen Hutchings
gcc will automatically inline static functions with only one caller, and may inline other functions depending on the kernel configuration and size of the intermediate code. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Cleaned up struct tso_state fieldsBen Hutchings
Squashed nested structures. Renamed remaining_len to out_len, ifc.len to in_len, header_length to header_len. Moved ipv4_id into the group of output variables where it belongs. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Set net_device::vlan_features appropriatelyBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Use explicit bool for boolean variables, parameters and return valuesBen Hutchings
Replace (cond ? 1 : 0) with cond or !!cond as appropriate, and (cond ? 0 : 1) with !cond. Remove some redundant boolean temporaries. Rename one field that looks like a flag but isn't. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Reduce the size of struct efx_tx_bufferBen Hutchings
Remove unmap_addr since it can be calculated from dma_addr, len and unmap_len. This saves 4-16 bytes. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Use pci_map_single() to map the skb header when doing TSOBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Don't leak PCI DMA maps in the TSO code when the queue fills upBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Speed up loopback self-testBen Hutchings
Add efx_poll_loopback() function to test for successful completion of test. Change efx_test_loopback() to end the test after 1 ms if efx_poll_loopback() indicates success, and otherwise to wait for 100 ms as before. While we're here, rename efx_{rx,tx}_loopback() to efx_{begin,end}_loopback() which more accurately reflect their purpose. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Self-test reporting cleanupBen Hutchings
Removed log messages that are redundant with calling functions. Fixed bitwise or-ing of return codes. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Reduce log level for XGXS lane statusBen Hutchings
This was making noise during 10Xpress self-test. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Reverse the XOFF/XON pause frame control fifo thresholdsBen Hutchings
These were clearly bogus. From: Steve Hodgson <shodgson@solarflare.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove inclusion of workarounds.h from efx.cBen Hutchings
efx.c does not use hardware workarounds. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: XMAC statistics fix-upsBen Hutchings
Exclude assumed size of RX control frames from rx_bad_bytes. Exclude assumed size of TX control frames from tx_good_bytes for consistency with rx_good_bytes. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove mistaken hardware workaroundBen Hutchings
We believed that some valid SNAP frames were being marked as invalid. In fact this is not the case and no workaround is needed. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Reduce delays in SFE4001 initialisationBen Hutchings
Currently the board initialisation includes 2 delays of 1 second each. Usually it is unnecessary to wait that long, so check before doing so. Correct some of the comments and log messages while we're here. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Avoid mangling error codes in efx_test_loopback()Ben Hutchings
efx_test_loopback() used "|" to combine the results of the RX and TX phases. If both phases fail with different error codes, this results in a bogus error code. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Use separate hardware TX queues to select checksum generationBen Hutchings
Checksum generation is an attribute of our hardware TX queues, not TX descriptors. We previously used a single queue and turned checksum generation on or off as requested through ethtool. However, this can result in regenerating checksums in raw packets that should not be modified. We now create 2 hardware TX queues with checksum generation on or off. They are presented to the net core as one queue since it does not know how to select between them. The self-test verifies that a bad checksum is unaltered on the queue with checksum generation off. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Remove unused field efx_channel::reset_workSteve Hodgson
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-03sfc: Change first parameter type of {set,clear}_bit_le() to unsignedBen Hutchings
This means the compiler doesn't need to use real division instructions. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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