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cc4e3835ef
linux/drivers/net
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Jakub Kicinski cc4e3835ef udp_tunnel: add central NIC RX port offload infrastructure 
Cater to devices which:
 (a) may want to sleep in the callbacks;
 (b) only have IPv4 support;
 (c) need all the programming to happen while the netdev is up.

Drivers attach UDP tunnel offload info struct to their netdevs,
where they declare how many UDP ports of various tunnel types
they support. Core takes care of tracking which ports to offload.

Use a fixed-size array since this matches what almost all drivers
do, and avoids a complexity and uncertainty around memory allocations
in an atomic context.

Make sure that tunnel drivers don't try to replay the ports when
new NIC netdev is registered. Automatic replays would mess up
reference counting, and will be removed completely once all drivers
are converted.

v4:
 - use a #define NULL to avoid build issues with CONFIG_INET=n.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10 13:54:00 -07:00
..
appletalk docs: networking: move AppleTalk / LocalTalk drivers to the hw driver section 2020-06-26 16:08:45 -07:00
arcnet treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
bonding bonding: don't need RTNL for ipsec helpers 2020-07-08 16:09:07 -07:00
caif caif: fix cfv_netdev_tx()'s return type 2020-06-28 20:52:53 -07:00
can can: peak_canfd: Replace zero-length array with flexible-array 2020-06-15 23:08:31 -05:00
dsa net: dsa: rtl8366rb: Support the CPU DSA tag 2020-07-08 15:36:19 -07:00
ethernet devlink: Move input checks from driver to devlink 2020-07-09 13:15:30 -07:00
fddi docs: networking: move FDDI drivers to the hw driver section 2020-06-26 16:08:45 -07:00
fjes
hamradio docs: networking: move baycom to the hw driver section 2020-06-26 16:08:44 -07:00
hippi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
hyperv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
ieee802154 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ipa net: ipa: fix HOLB timer calculation 2020-07-03 14:37:33 -07:00
ipvlan
netdevsim devlink: Replace devlink_port_attrs_set parameters with a struct 2020-07-09 13:15:29 -07:00
phy net: phy: mscc: fix ptr_ret.cocci warnings 2020-07-09 13:09:51 -07:00
plip net: plip: fix plip_tx_packet()'s return type 2020-06-28 20:52:53 -07:00
ppp treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
slip treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
team treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
usb usbnet: ipheth: fix ipheth_tx()'s return type 2020-06-28 20:52:53 -07:00
vmxnet3 vmxnet3: allow rx flow hash ops only when rss is enabled 2020-06-02 15:12:33 -07:00
wan treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
wimax
wireguard wireguard: receive: account for napi_gro_receive never returning GRO_DROP 2020-06-25 16:16:21 -07:00
wireless docs: networking: move ray_cs to the hw driver section 2020-06-26 16:08:44 -07:00
xen-netback xen networking: add XDP offset adjustment to xen-netback 2020-07-01 15:25:14 -07:00
bareudp.c bareudp: Added attribute to enable & disable rx metadata collection 2020-06-28 20:48:20 -07:00
dummy.c
eql.c
geneve.c udp_tunnel: add central NIC RX port offload infrastructure 2020-07-10 13:54:00 -07:00
gtp.c
ifb.c
Kconfig xen networking: add basic XDP support for xen-netfront 2020-07-01 15:25:14 -07:00
LICENSE.SRC
loopback.c
macsec.c net: change addr_list_lock back to static key 2020-06-09 12:59:45 -07:00
macvlan.c net: change addr_list_lock back to static key 2020-06-09 12:59:45 -07:00
macvtap.c
Makefile
mdio.c
mii.c
net_failover.c net_failover: fixed rollback in net_failover_open() 2020-06-02 15:35:53 -07:00
netconsole.c
nlmon.c
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c
tap.c
thunderbolt.c net: thunderbolt: Add comment clarifying prtcstns flags 2020-06-23 20:36:02 -07:00
tun.c xdp: Rename convert_to_xdp_frame in xdp_convert_buff_to_frame 2020-06-01 15:02:53 -07:00
veth.c xdp: Rename convert_to_xdp_frame in xdp_convert_buff_to_frame 2020-06-01 15:02:53 -07:00
virtio_net.c xdp: Rename convert_to_xdp_frame in xdp_convert_buff_to_frame 2020-06-01 15:02:53 -07:00
vrf.c vrf: add l3mdev registration for table to VRF device lookup 2020-06-20 17:22:23 -07:00
vsockmon.c
vxlan.c udp_tunnel: add central NIC RX port offload infrastructure 2020-07-10 13:54:00 -07:00
xen-netfront.c net/xen-netfront: add kernel TX timestamps 2020-07-03 12:36:30 -07:00