netdev - [PATCH] New driver "sfc" for Solarstorm SFC4000 controller (try #7)

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Date:	Mon, 3 Mar 2008 18:56:24 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	netdev@...r.kernel.org
Subject: [PATCH] New driver "sfc" for Solarstorm SFC4000 controller (try #7)

This is a resubmission of a new driver for Solarflare network controllers.

The driver supports several types of PHY (10Gbase-T, XFP, CX4) on six
different 10G and 1G boards.  It is accompanied by an MTD driver that
allows access to the flash/EEPROM.

NICs based on this controller are now available from SMC as part numbers
SMC10GPCIe-XFP and SMC10GPCIe-10BT.

The previous thread was:
  http://marc.info/?l=linux-netdev&m=120162616808659&w=2

Some explanation of the driver structure was posted in:
  http://marc.info/?l=linux-netdev&m=119999015817920&w=2

Since the last patch we have made some bug fixes and minor improvements:

 - Fix MAC stats during TX drain
 - Fix skb leak on self-test failure
 - Add workaround for RX flush timeout
 - Recover from more TX errors
 - Allow more time for recovery of TXC43128 PHY between resets
 - Fix signed-ness mismatches
 - Improve robustness of efx_{start,stop}_{all,port}()
 - Correct some netif_tx_lock/unlock calls to _bh variants
 - Make probe fail if the NIC becomes disabled
 - Fix efx_dl_search_device_info() macro
 - Validate MAC address in efx_set_mac_address()
 - Test for failure of efx_init_debugfs_netdev()
 - Fix potential loss of promiscuous flag
 - Improve comments on locking requirements
 - Remove some redundant initialisation code
 - Remove unused alaska_blink() function
 - Add byte-order annotations and fix byte-order bugs
 - Use C99 __func__, not gcc's __FUNCTION__
 - Eliminate suspend lock as redundant with rtnl_lock
 - Move Falcon hardware parameters from efx_nic into the nic_data field
 - Make RX refill workqueue global as it should be per-CPU not per-NIC
 - Use net_device::stats instead of efx_nic::stats
 - Correct some comments
 - Define a PCI_EXP_DEVCTL_PAYLOAD_LBN constant instead of using ffs()
   since ffs() is not evaluated at compile-time
 - Make use of PCI_DEVICE() macro for efx_pci_table initialisation
 - Remove unnecessary indirection between efx_pci_table and
   struct efx_nic_type
 - Change MSI-X setup to allocate an MSI-X interrupt per package, not
   per core, by default
 - Rename *_max to *_lim in struct efx_dl_falcon_resources for clarity
 - Fix error handling in efx_change_mtu()
 - Do not reconfigure XGXS block after resetting XAUI block
 - Simplify multicast hash setting
 - Fix array size calculation in efx_multicast_hash

We believe this is ready to be merged now and would appreciate a
thorough review.

The patch (against netdev-2.6) is at:
  https://support.solarflare.com/netdev/7/netdev-2.6-sfc-2.2.0106.patch

The new files may also be downloaded as a tarball:
  https://support.solarflare.com/netdev/7/netdev-2.6-sfc-2.2.0106.tar.gz

And for verification there is:
  https://support.solarflare.com/netdev/7/MD5SUMS

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
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