linux/net/ipv6
Alexander Duyck 9a0d41b359 udp: Do not pass checksum as a parameter to GSO segmentation
This patch is meant to allow us to avoid having to recompute the checksum
from scratch and have it passed as a parameter.

Instead of taking that approach we can take advantage of the fact that the
length that was used to compute the existing checksum is included in the
UDP header.

Finally to avoid the need to invert the result we can just call csum16_add
and csum16_sub directly. By doing this we can avoid a number of
instructions in the loop that is handling segmentation.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-08 22:30:06 -04:00
..
ila net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-05-06 21:51:37 -04:00
addrconf_core.c net: ipv6: Make inet6addr_validator a blocking notifier 2017-10-20 13:15:07 +01:00
addrconf.c ipv6: addrconf: don't evaluate keep_addr_on_down twice 2018-04-25 13:03:37 -04:00
addrlabel.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
af_inet6.c tcp: add TCP_ZEROCOPY_RECEIVE support for zerocopy receive 2018-04-29 21:29:55 -04:00
ah6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-11-15 11:56:19 -08:00
anycast.c net/ipv6: Remove aca_idev 2018-04-19 15:40:13 -04:00
calipso.c net, calipso: convert calipso_doi.refcount from atomic_t to refcount_t 2017-07-04 22:35:16 +01:00
datagram.c ipv6: add a wrapper for ip6_dst_store() with flowi6 checks 2018-04-04 11:31:57 -04:00
esp6_offload.c esp: check the NETIF_F_HW_ESP_TX_CSUM bit before segmenting 2018-02-27 10:46:01 +01:00
esp6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-17 00:10:42 -05:00
exthdrs_core.c net: ipv6: Fix typo in ipv6_find_hdr() documentation 2018-05-07 23:50:27 -04:00
exthdrs_offload.c
exthdrs.c ipv6: Count interface receive statistics on the ingress netdev 2018-04-17 13:39:51 -04:00
fib6_notifier.c net: Add module reference to FIB notifiers 2017-09-01 20:33:42 -07:00
fib6_rules.c net: fib_rules: add extack support 2018-04-23 10:21:24 -04:00
fou6.c fou: make local function static 2017-05-21 13:42:36 -04:00
icmp.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
inet6_connection_sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-28 10:33:06 -05:00
inet6_hashtables.c inet: Add a 2nd listener hashtable (port+addr) 2017-12-03 10:18:28 -05:00
ip6_checksum.c udplite: fix partial checksum initialization 2018-02-16 15:57:42 -05:00
ip6_fib.c net/ipv6: rename rt6_next to fib6_next 2018-05-04 19:54:52 -04:00
ip6_flowlabel.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ip6_gre.c net: ipv6/gre: Add GRO support 2018-05-07 23:50:27 -04:00
ip6_icmp.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ip6_input.c ipv6: Count interface receive statistics on the ingress netdev 2018-04-17 13:39:51 -04:00
ip6_offload.c udp: add udp gso 2018-04-26 15:07:42 -04:00
ip6_offload.h
ip6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-05-06 21:51:37 -04:00
ip6_tunnel.c ip6_tunnel: better validate user provided tunnel names 2018-04-05 15:16:15 -04:00
ip6_udp_tunnel.c
ip6_vti.c change the comment of vti6_ioctl 2018-05-01 09:38:41 +02:00
ip6mr.c net: fib_rules: add extack support 2018-04-23 10:21:24 -04:00
ipcomp6.c
ipv6_sockglue.c inet: whitespace cleanup 2018-02-28 11:43:28 -05:00
Kconfig ipmr,ipmr6: Define a uniform vif_device 2018-03-01 13:13:23 -05:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mcast_snoop.c
mcast.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
mip6.c
ndisc.c net/ipv6: Rename fib6_info struct elements 2018-04-19 15:40:12 -04:00
netfilter.c netfilter: use skb_to_full_sk in ip6_route_me_harder 2018-02-25 20:51:13 +01:00
output_core.c net: accept UFO datagrams from tuntap and packet 2017-11-24 01:37:35 +09:00
ping.c ipv6: allow to cache dst for a connected sk in ip6_sk_dst_lookup_flow() 2018-04-04 11:31:57 -04:00
proc.c inet: frags: break the 2GB limit for frags storage 2018-03-31 23:25:39 -04:00
protocol.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
raw.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
reassembly.c ipv6: frags: fix a lockdep false positive 2018-04-18 23:19:39 -04:00
route.c net/ipv6: rename rt6_next to fib6_next 2018-05-04 19:54:52 -04:00
seg6_hmac.c ipv6: sr: Use ARRAY_SIZE macro 2017-09-01 18:35:23 -07:00
seg6_iptunnel.c ipv6: sr: extract the right key values for "seg6_make_flowlabel" 2018-04-30 12:13:43 -04:00
seg6_local.c net/ipv6: Pass skb to route lookup 2018-03-04 13:04:22 -05:00
seg6.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
sit.c ipv6: sit: better validate user provided tunnel names 2018-04-05 15:16:15 -04:00
syncookies.c net/ipv4: disable SMC TCP option with SYN Cookies 2018-03-25 20:53:54 -04:00
sysctl_net_ipv6.c ipv6: sr: Compute flowlabel for outer IPv6 header of seg6 encap mode 2018-04-25 13:02:15 -04:00
tcp_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-03-31 23:33:04 -04:00
tcpv6_offload.c gso: validate gso_type in GSO handlers 2018-01-22 16:01:30 -05:00
tunnel6.c
udp_impl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
udp_offload.c udp: Do not pass checksum as a parameter to GSO segmentation 2018-05-08 22:30:06 -04:00
udp.c udp: disable gso with no_check_tx 2018-05-01 14:20:14 -04:00
udplite.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
xfrm6_input.c xfrm: Reinject transport-mode packets through tasklet 2017-12-19 08:23:21 +01:00
xfrm6_mode_beet.c networking: make skb_pull & friends return void pointers 2017-06-16 11:48:39 -04:00
xfrm6_mode_ro.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-02 13:57:27 -04:00
xfrm6_mode_transport.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-02 13:57:27 -04:00
xfrm6_mode_tunnel.c xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto 2018-03-07 10:54:29 +01:00
xfrm6_output.c net: xfrm: use skb_gso_validate_network_len() to check gso sizes 2018-03-04 17:49:17 -05:00
xfrm6_policy.c net/ipv6: Remove unused code and variables for rt6_info 2018-04-17 23:41:18 -04:00
xfrm6_protocol.c xfrm: input: constify xfrm_input_afinfo 2017-02-09 10:22:17 +01:00
xfrm6_state.c xfrm: remove VLA usage in __xfrm6_sort() 2018-04-26 07:51:48 +02:00
xfrm6_tunnel.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00