AuxXxilium/linux_dsm_epyc7002
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d9317aea16
linux_dsm_epyc7002/drivers/net
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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
..
appletalk
arcnet drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
bonding bonding: Don't allow bond devices to change network namespaces. 2014-01-22 21:57:17 -08:00
caif drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
can drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
cris
dsa
ethernet sfc: Use the correct maximum TX DMA ring size for SFC9100 2014-01-23 13:40:51 -08:00
fddi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
hamradio Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-06 17:37:45 -05:00
hippi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
hyperv Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-06 17:37:45 -05:00
ieee802154 net: ieee802154: remove unnecessary spi_set_drvdata() 2013-12-10 22:31:32 -05:00
irda drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
phy phy: cleanup 10g code 2014-01-19 19:55:50 -08:00
plip net: plip: slight optimization of addr compare 2013-12-31 16:48:33 -05:00
ppp ppp: slight optimization of addr compare 2013-12-26 13:31:33 -05:00
slip
team team: Don't allow team devices to change network namespaces. 2014-01-22 21:57:17 -08:00
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-18 00:55:41 -08:00
vmxnet3 drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
wan drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
wimax
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2014-01-17 14:43:17 -05:00
xen-netback xen-netback: use new skb_checksum_setup function 2014-01-14 14:24:19 -08:00
dummy.c net: Explicitly initialize u64_stats_sync structures for lockdep 2013-11-06 12:40:25 +01:00
eql.c eql: use __dev_get_by_name instead of dev_get_by_name to find interface 2014-01-14 18:50:46 -08:00
ifb.c net: Explicitly initialize u64_stats_sync structures for lockdep 2013-11-06 12:40:25 +01:00
Kconfig virtio-net: fix build error when CONFIG_AVERAGE is not enabled 2014-01-17 18:58:38 -08:00
LICENSE.SRC
loopback.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
macvlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-14 14:42:42 -08:00
macvtap.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
Makefile
mdio.c mdio: unused ethtool functions 2013-12-26 13:29:35 -05:00
mii.c
netconsole.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-04 13:48:30 -05:00
nlmon.c net: Explicitly initialize u64_stats_sync structures for lockdep 2013-11-06 12:40:25 +01:00
ntb_netdev.c
rionet.c
sb1000.c
Space.c drivers: net: Include new header file in sbni.c 2013-12-19 18:51:20 -05:00
sungem_phy.c
tun.c tuntap: Fix for a race in accessing numqueues 2014-01-22 21:32:56 -08:00
veth.c Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-11-14 16:30:30 +09:00
virtio_net.c virtio-net: initial rx sysfs support, export mergeable rx buffer size 2014-01-16 23:46:07 -08:00
vxlan.c net/vxlan: Share RX skb de-marking and checksum checks with ovs 2014-01-23 13:30:03 -08:00
xen-netfront.c xen-netfront: add support for IPv6 offloads 2014-01-16 16:22:54 -08:00