linux/drivers/net
Jesse Gross 5f35227ea3 net: Generalize ndo_gso_check to ndo_features_check
GSO isn't the only offload feature with restrictions that
potentially can't be expressed with the current features mechanism.
Checksum is another although it's a general issue that could in
theory apply to anything. Even if it may be possible to
implement these restrictions in other ways, it can result in
duplicate code or inefficient per-packet behavior.

This generalizes ndo_gso_check so that drivers can remove any
features that don't make sense for a given packet, similar to
netif_skb_features(). It also converts existing driver
restrictions to the new format, completing the work that was
done to support tunnel protocols since the issues apply to
checksums as well.

By actually removing features from the set that are used to do
offloading, it solves another problem with the existing
interface. In these cases, GSO would run with the original set
of features and not do anything because it appears that
segmentation is not required.

CC: Tom Herbert <therbert@google.com>
CC: Joe Stringer <joestringer@nicira.com>
CC: Eric Dumazet <edumazet@google.com>
CC: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by:  Tom Herbert <therbert@google.com>
Fixes: 04ffcb255f ("net: Add ndo_gso_check")
Tested-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-26 17:20:56 -05:00
..
appletalk net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
arcnet ARCNET: enable eae arcnet card support 2014-09-29 14:36:26 -04:00
bonding Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-12-10 15:48:20 -05:00
caif caif: Fix napi poll list corruption 2014-12-22 16:34:39 -05:00
can Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
cris
dsa net: dsa: bcm_sf2: always select FIXED_PHY 2014-12-16 00:57:07 -05:00
ethernet net: Generalize ndo_gso_check to ndo_features_check 2014-12-26 17:20:56 -05:00
fddi defxx: Clean up DEFEA resource management 2014-11-21 16:37:13 -05:00
hamradio hamradio: 6pack: remove unnecessary check 2014-11-03 15:34:31 -05:00
hippi
hyperv hyperv: Fix some variable name typos in send-buffer init/revoke 2014-12-22 16:11:11 -05:00
ieee802154 Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
ipvlan ipvlan: move the device check function into netdevice.h 2014-12-09 16:10:06 -05:00
irda Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
phy net: phy: micrel: use generic config_init for KSZ8021/KSZ8031 2014-12-26 16:19:50 -05:00
plip
ppp ppp_read(): switch to skb_copy_datagram_iter() 2014-12-09 16:29:10 -05:00
slip
team net: generic dev_disable_lro() stacked device handling 2014-11-13 14:48:56 -05:00
usb r8152: redefine REALTEK_USB_DEVICE 2014-12-09 13:41:24 -05:00
vmxnet3 ethtool: Support for configurable RSS hash function 2014-12-08 21:07:10 -05:00
wan net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
wimax kbuild: remove unnecessary "obj- := dummy.o" trick 2014-10-02 13:55:02 +02:00
wireless rtlwifi: rtl8192ce: Set fw_ready flag 2014-12-15 13:46:20 -05:00
xen-netback xen-netback: support frontends without feature-rx-notify again 2014-12-18 12:49:49 -05:00
dummy.c dummy: use MODULE_VERSION 2014-12-09 21:51:06 -05:00
eql.c net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
ifb.c net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
Kconfig ipvlan: ipvlan depends on INET and IPV6 2014-11-29 20:53:05 -08:00
LICENSE.SRC
loopback.c net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
macvlan.c macvlan: play well with ipvlan device 2014-12-09 16:10:06 -05:00
macvtap.c macvtap: drop broken IFF_VNET_LE 2014-12-16 11:19:42 -05:00
Makefile ipvlan: Initial check-in of the IPVLAN driver. 2014-11-24 15:29:18 -05:00
mdio.c
mii.c
netconsole.c
nlmon.c
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c
tun.c tun: drop broken IFF_VNET_LE 2014-12-16 11:19:41 -05:00
veth.c
virtio_net.c virtio_net: Fix napi poll list corruption 2014-12-22 16:10:12 -05:00
vxlan.c vxlan: Fix double free of skb. 2014-12-23 23:57:31 -05:00
xen-netfront.c xen-netfront: use napi_complete() correctly to prevent Rx stalling 2014-12-16 15:21:54 -05:00