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Maxime Chevallier 8ec3ede559 net: mvpp2: prs: Don't override the sign bit in SRAM parser shift 
The Header Parser allows identifying various fields in the packet
headers, used for various kind of filtering and classification
steps.

This is a re-entrant process, where the offset in the packet header
depends on the previous lookup results. This offset is represented in
the SRAM results of the TCAM, as a shift to be operated.

This shift can be negative in some cases, such as in IPv6 parsing.

This commit prevents overriding the sign bit when setting the shift
value, which could cause instabilities when parsing IPv6 flows.

Fixes: 3f518509de ("ethernet: Add new driver for Marvell Armada 375 network unit")
Suggested-by: Alan Winkowski <walan@marvell.com>
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2019-06-28 14:44:03 -07:00
..
appletalk treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
arcnet treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
bonding bonding: Always enable vlan tx offload 2019-06-26 08:56:35 -07:00
caif treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
can SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
dsa net: dsa: b53: Disable all ports on setup 2019-06-28 13:34:13 -07:00
ethernet net: mvpp2: prs: Don't override the sign bit in SRAM parser shift 2019-06-28 14:44:03 -07:00
fddi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fjes treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 308 2019-06-05 17:37:04 +02:00
hamradio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 400 2019-06-05 17:37:13 +02:00
hippi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 128 2019-05-30 11:25:13 -07:00
hyperv hv_netvsc: Set probe mode to sync 2019-06-14 19:47:05 -07:00
ieee802154 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
ipvlan Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 09:29:14 -07:00
netdevsim netdevsim: Make nsim_num_vf static 2019-05-05 10:48:45 -07:00
phy Revert "net: phylink: set the autoneg state in phylink_phy_change" 2019-06-15 18:10:30 -07:00
plip treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ppp ppp: mppe: Add softdep to arc4 2019-06-22 09:44:23 -04:00
slip treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
team team: Always enable vlan tx offload 2019-06-26 10:14:08 -07:00
usb qmi_wwan: Fix out-of-bounds read 2019-06-24 10:07:12 -07:00
vmxnet3
…
wan treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 426 2019-06-05 17:37:16 +02:00
wimax treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 268 2019-06-05 17:30:29 +02:00
wireless mt76: usb: fix rx A-MSDU support 2019-06-27 19:48:36 +03:00
xen-netback treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
LICENSE.SRC
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Makefile net: Always descend into dsa/ 2019-05-14 15:20:11 -07:00
Space.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dummy.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
eql.c
…
geneve.c SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
gtp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ifb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
loopback.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
macsec.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
macvlan.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
macvtap.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
mdio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mii.c
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net_failover.c net: remove 'fallback' argument from dev->ndo_select_queue() 2019-03-20 11:18:55 -07:00
netconsole.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153 2019-05-30 11:26:32 -07:00
nlmon.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
ntb_netdev.c
…
rionet.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sb1000.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sungem_phy.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
tap.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
thunderbolt.c net: thunderbolt: Unregister ThunderboltIP protocol handler when suspending 2019-04-18 11:18:51 +03:00
tun.c tun: wake up waitqueues after IFF_UP is set 2019-06-18 10:46:52 -07:00
veth.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
virtio_net.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
vrf.c ipv6: constify rt6_nexthop() 2019-06-26 13:26:08 -07:00
vsockmon.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
vxlan.c SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
xen-netfront.c xen-netfront: mark expected switch fall-through 2019-04-16 21:03:02 -07:00