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linux/drivers/net/ethernet
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Ben Hutchings d9317aea16 sfc: Use the correct maximum TX DMA ring size for SFC9100 
As part of a workaround for a hardware erratum in the SFC9100 family
(SF bug 35388), the TX_DESC_UPD_DWORD register address is also used
for communicating with the event block, and only descriptor pointer
values < 2048 are valid.

If the TX DMA ring size is increased to 4096 descriptors (which the
firmware still allows) then we may write a descriptor pointer
value >= 2048, which has entirely different and undesirable effects!

Limit the TX DMA ring size correctly when this workaround is in
effect.

Fixes: 8127d661e7 ('sfc: Add support for Solarflare SFC9100 family')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-23 13:40:51 -08:00
..
3com drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
8390 drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
adaptec net: starfire: remove unnecessary pci_set_drvdata() 2013-10-18 00:03:28 -04:00
adi net: bfin_mac: do not reset PHY after phy_start() 2013-12-09 20:38:59 -05:00
aeroflex drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
allwinner drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
alteon drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
amd drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
apple macmace: add missing platform_set_drvdata() in mace_probe() 2013-11-11 14:02:08 -05:00
arc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-06 17:37:45 -05:00
atheros drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
broadcom bnx2x: Fix VF flr flow 2014-01-21 23:12:59 -08:00
brocade bnad: code cleanup 2014-01-16 16:22:53 -08:00
cadence net: macb: Fix build warning 2013-12-11 00:19:17 -05:00
calxeda drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
chelsio net/cxgb4: Don't retrieve stats during recovery 2014-01-23 13:21:03 -08:00
cirrus drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
cisco net: enic: slight optimization of addr compare 2013-12-31 16:48:31 -05:00
davicom dm9000: fix a lot of checkpatch issues 2014-01-16 16:22:53 -08:00
dec tulip: cleanup by using ARRAY_SIZE() 2014-01-23 13:28:29 -08:00
dlink drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
emulex be2net: Fix be_vlan_add/rem_vid() routines 2014-01-21 23:12:59 -08:00
faraday net: ftgmac100: use kfree_skb() where appropriate 2014-01-17 18:54:13 -08:00
freescale drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
fujitsu drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
hp hp100: replace hardcoded name in /proc/interrupts with interface name 2013-09-27 17:38:32 -04:00
i825xx drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
ibm drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
icplus drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
intel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-18 00:55:41 -08:00
marvell net: mvneta: make mvneta_txq_done() return void 2014-01-16 15:15:43 -08:00
mellanox net/mlx4_core: Remove unnecessary validation for port number 2014-01-21 23:14:27 -08:00
micrel drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
microchip
moxa drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
myricom net: myri10ge: remove unnecessary pci_set_drvdata() 2013-10-21 17:21:02 -04:00
natsemi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
neterion vxge: make local functions static 2014-01-16 16:22:54 -08:00
nuvoton drivers:net: delete premature free_irq 2013-09-04 13:18:19 -04:00
nvidia drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
nxp drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
octeon Merge branch 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm 2013-11-14 07:55:21 +09:00
oki-semi ethernet: Fix FSF address in file headers 2013-12-06 12:37:55 -05:00
packetengines net: packetengines: slight optimization of addr 2013-12-31 16:48:32 -05:00
pasemi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
qlogic qlcnic: fix sparse warnings 2014-01-19 19:55:50 -08:00
rdc r6040: use ETH_ZLEN instead of MISR for SKB length checking 2014-01-16 16:22:54 -08:00
realtek drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
renesas sh_eth: Add support for r7s72100 2014-01-17 18:13:58 -08:00
seeq drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
sfc sfc: Use the correct maximum TX DMA ring size for SFC9100 2014-01-23 13:40:51 -08:00
sgi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
silan
sis net: sis900: remove unnecessary pci_set_drvdata() 2013-12-09 18:09:28 -05:00
smsc drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
stmicro stmmac: Fix kernel crashes for jumbo frames 2014-01-21 17:05:27 -08:00
sun drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
tehuti net: Spelling s/transmition/transmission/ 2014-01-14 17:11:26 -08:00
ti drivers: net: cpsw: enable promiscuous mode support 2014-01-23 13:12:14 -08:00
tile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-14 14:42:42 -08:00
toshiba drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
tundra drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
via net,via-rhine: Fix tx_timeout handling 2014-01-15 15:21:08 -08:00
wiznet net: w5100: use dev_get_platdata() 2013-08-30 17:43:38 -04:00
xilinx drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
xircom ethernet: Fix FSF address in file headers 2013-12-06 12:37:55 -05:00
xscale ixp4xx_eth: Implement the SIOCGHWTSTAMP ioctl 2013-11-21 17:17:48 +00:00
dnet.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
dnet.h
ethoc.c net: ethoc: use dev_get_platdata() 2013-08-30 17:43:35 -04:00
fealnx.c net: fealnx: remove unnecessary pci_set_drvdata() 2013-10-21 17:21:01 -04:00
jme.c net: jme: remove unnecessary pci_set_drvdata() 2013-10-21 17:21:01 -04:00
jme.h jme: Remove unused #define PFX 2013-11-07 02:14:32 -05:00
Kconfig
korina.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
lantiq_etop.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-14 14:42:42 -08:00
Makefile
netx-eth.c ethernet: Fix FSF address in file headers 2013-12-06 12:37:55 -05:00
s6gmac.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00