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ebf98e797b
linux/drivers/net/ethernet/sfc
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Ben Hutchings ebf98e797b sfc: Fix timekeeping in efx_mcdi_poll() 
efx_mcdi_poll() uses get_seconds() to read the current time and to
implement a polling timeout.  The use of this function was chosen
partly because it could easily be replaced in a co-sim environment
with a macro that read the simulated time.

Unfortunately the real get_seconds() returns the system time (real
time) which is subject to adjustment by e.g. ntpd.  If the system time
is adjusted forward during a polled MCDI operation, the effective
timeout can be shorter than the intended 10 seconds, resulting in a
spurious failure.  It is also possible for a backward adjustment to
delay detection of a areal failure.

Use jiffies instead, and change MCDI_RPC_TIMEOUT to be denominated in
jiffies.  Also correct rounding of the timeout: check time > finish
(or rather time_after(time, finish)) and not time >= finish.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-12-01 02:37:36 +00:00
..
bitfield.h sfc: Add parentheses around use of bitfield macro arguments 2012-10-02 01:58:39 +01:00
efx.c sfc: lock TX queues when calling netif_device_detach() 2012-12-01 02:37:35 +00:00
efx.h sfc: lock TX queues when calling netif_device_detach() 2012-12-01 02:37:35 +00:00
enum.h sfc: Correct some comments on enum reset_type 2012-07-17 16:12:35 +01:00
ethtool.c sfc: Fix byte order warnings for ethtool RX filter interface 2012-12-01 00:26:06 +00:00
falcon_boards.c sfc: Change state names to be clearer, and comment them 2012-08-24 20:10:18 +01:00
falcon_xmac.c sfc: Fix interface statistics running backward 2012-07-17 16:12:34 +01:00
falcon.c sfc: Really disable flow control while flushing 2012-12-01 00:26:09 +00:00
filter.c sfc: Fix the reported priorities of different filter types 2012-10-02 01:58:42 +01:00
filter.h sfc: Remove EFX_FILTER_FLAG_RX_OVERRIDE_IP 2012-10-02 01:58:41 +01:00
io.h sfc: Remove confusing MMIO functions 2012-12-01 00:26:11 +00:00
Kconfig net: Remove bogus dependencies on INET 2012-11-19 19:13:59 -05:00
Makefile ptp: Enable clock drivers along with associated net/PHY drivers 2012-11-01 11:35:18 -04:00
mcdi_mac.c sfc: Add SR-IOV back-end support for SFC9000 family 2012-02-16 00:25:13 +00:00
mcdi_mon.c sfc: initialize dynamic sysfs attributes for lockdep 2012-07-19 10:48:08 -07:00
mcdi_pcol.h sfc: Add support for IEEE-1588 PTP 2012-09-19 02:54:12 +01:00
mcdi_phy.c sfc: Added support for new ethtool APIs for obtaining module eeprom 2012-05-10 03:10:46 +01:00
mcdi.c sfc: Fix timekeeping in efx_mcdi_poll() 2012-12-01 02:37:36 +00:00
mcdi.h sfc: Fix MCDI structure field lookup 2012-10-02 01:58:40 +01:00
mdio_10g.c sfc: Fix some formatting errors reported by checkpatch 2012-01-05 18:44:49 +00:00
mdio_10g.h
mtd.c sfc: Expose FPGA bitfile partition through MTD 2012-09-19 02:56:24 +01:00
net_driver.h sfc: Work-around flush timeout when flushes have completed 2012-12-01 02:37:27 +00:00
nic.c sfc: Work-around flush timeout when flushes have completed 2012-12-01 02:37:27 +00:00
nic.h sfc: Really disable flow control while flushing 2012-12-01 00:26:09 +00:00
phy.h
ptp.c ptp: use list_move instead of list_del/list_add 2012-10-07 14:52:14 -04:00
qt202x_phy.c sfc: Implement module EEPROM access for SFE4002 and SFN4112F 2012-05-10 03:10:54 +01:00
regs.h sfc: Correct MAC filter bitfield definitions 2012-02-16 00:11:31 +00:00
rx.c sfc: Delete redundant page_addr variable from efx_init_rx_buffers_page() 2012-12-01 00:26:10 +00:00
selftest.c sfc: lock TX queues when calling netif_device_detach() 2012-12-01 02:37:35 +00:00
selftest.h sfc: Run event/IRQ self-test asynchronously when interface is brought up 2012-03-06 18:14:15 +00:00
siena_sriov.c sfc: Remove confusing MMIO functions 2012-12-01 00:26:11 +00:00
siena.c sfc: Correctly initialise reset_method in siena_test_chip() 2012-12-01 01:55:27 +00:00
spi.h sfc: Fix some formatting errors reported by checkpatch 2012-01-05 18:44:49 +00:00
tenxpress.c sfc: Fix some formatting errors reported by checkpatch 2012-01-05 18:44:49 +00:00
tx.c sfc: Add support for IEEE-1588 PTP 2012-09-19 02:54:12 +01:00
txc43128_phy.c sfc: Const-qualify static data as appropriate, partly prompted by checkpatch 2012-01-09 17:08:13 +00:00
vfdi.h sfc: Specify that the VFDI status page has page alignment and size 2012-02-22 20:48:07 +00:00
workarounds.h