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5eddb24901
linux/net/ipv4
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Coco Li 5eddb24901 gro: add support of (hw)gro packets to gro stack 
Current GRO stack only supports incoming packets containing
one frame/MSS.

This patch changes GRO to accept packets that are already GRO.

HW-GRO (aka RSC for some vendors) is very often limited in presence
of interleaved packets. Linux SW GRO stack can complete the job
and provide larger GRO packets, thus reducing rate of ACK packets
and cpu overhead.

This also means BIG TCP can still be used, even if HW-GRO/RSC was
able to cook ~64 KB GRO packets.

v2: fix logic in tcp_gro_receive()

    Only support TCP for the moment (Paolo)

Co-Developed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Coco Li <lixiaoyan@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-10-03 12:38:34 +01:00
..
bpfilter net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces" 2020-08-10 12:06:44 -07:00
netfilter netfilter: nft_fib: Fix for rpath check with VRF devices 2022-09-28 13:33:26 +02:00
af_inet.c tcp: Set NULL to sk->sk_prot->h.hashinfo. 2022-09-20 10:21:49 -07:00
ah4.c xfrm: ah: add extack to ah_init_state, ah6_init_state 2022-09-29 07:17:59 +02:00
arp.c ipv4: move from strlcpy with unused retval to strscpy 2022-08-22 17:59:37 -07:00
bpf_tcp_ca.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
cipso_ipv4.c cipso: Fix data-races around sysctl. 2022-07-08 12:10:33 +01:00
datagram.c net-next: Fix IP_UNICAST_IF option behavior for connected sockets 2022-08-31 19:51:06 -07:00
devinet.c net: Fix data-races around sysctl_devconf_inherit_init_net. 2022-08-24 13:46:58 +01:00
esp4_offload.c net: Fix esp GSO on inter address family tunnels. 2022-03-07 13:14:04 +01:00
esp4.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2022-10-03 07:52:13 +01:00
fib_frontend.c ip: fix triggering of 'icmp redirect' 2022-08-31 19:50:36 -07:00
fib_lookup.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-17 11:44:20 -08:00
fib_notifier.c net: ipv4: remove superfluous header files from fib_notifier.c 2021-09-28 17:32:56 -07:00
fib_rules.c ipv4: remove unnecessary type castings 2022-04-30 15:12:58 +01:00
fib_semantics.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-21 13:03:39 -07:00
fib_trie.c ipv4: Fix data-races around sysctl_fib_notify_on_flag_change. 2022-07-25 12:42:10 +01:00
fou.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
gre_demux.c net: Remove the member netns_ok 2021-05-17 15:29:35 -07:00
gre_offload.c net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
icmp.c ip: Fix data-races around sysctl_ip_no_pmtu_disc. 2022-07-15 11:49:55 +01:00
igmp.c bpf: net: Change do_ip_getsockopt() to take the sockptr_t argument 2022-09-02 20:34:31 -07:00
inet_connection_sock.c tcp: Set NULL to sk->sk_prot->h.hashinfo. 2022-09-20 10:21:49 -07:00
inet_diag.c net: inet: Retire port only listening_hash 2022-05-12 16:52:18 -07:00
inet_fragment.c ipv4: remove unnecessary type castings 2022-04-30 15:12:58 +01:00
inet_hashtables.c net: Fix incorrect address comparison when searching for a bind2 bucket 2022-09-28 18:52:17 -07:00
inet_timewait_sock.c tcp: Don't allocate tcp_death_row outside of struct netns_ipv4. 2022-09-20 10:21:49 -07:00
inetpeer.c inetpeer: Fix data-races around sysctl. 2022-07-08 12:10:33 +01:00
ip_forward.c ip: Fix data-races around sysctl_ip_fwd_update_priority. 2022-07-15 11:49:55 +01:00
ip_fragment.c net: ip: Handle delivery_time in ip defrag 2022-03-03 14:38:48 +00:00
ip_gre.c ip_tunnel: Respect tunnel key's "flow_flags" in IP tunnels 2022-08-18 21:18:28 +02:00
ip_input.c tcp/udp: Make early_demux back namespacified. 2022-07-15 18:50:35 -07:00
ip_options.c ipv4: drop fragmentation code from ip_options_build() 2022-01-29 17:53:07 +00:00
ip_output.c net: shrink struct ubuf_info 2022-09-28 18:51:25 -07:00
ip_sockglue.c Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-09-06 23:21:18 +02:00
ip_tunnel_core.c net: Add helper function to parse netlink msg of ip_tunnel_parm 2022-10-03 07:59:06 +01:00
ip_tunnel.c ip_tunnel: Respect tunnel key's "flow_flags" in IP tunnels 2022-08-18 21:18:28 +02:00
ip_vti.c ip: use dev_addr_set() in tunnels 2021-10-13 09:41:37 -07:00
ipcomp.c xfrm: ipcomp: add extack to ipcomp{4,6}_init_state 2022-09-29 07:18:00 +02:00
ipconfig.c Driver core / kernfs changes for 6.0-rc1 2022-08-04 11:31:20 -07:00
ipip.c net: Add helper function to parse netlink msg of ip_tunnel_parm 2022-10-03 07:59:06 +01:00
ipmr_base.c ipmr: adopt rcu_read_lock() in mr_dump() 2022-06-24 11:34:38 +01:00
ipmr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-09-22 13:02:10 -07:00
Kconfig fou: Remove XRFM from NET_FOU Kconfig 2022-04-12 14:56:33 -07:00
Makefile bpf: Clean up sockmap related Kconfigs 2021-02-26 12:28:03 -08:00
metrics.c treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
netfilter.c netfilter: Use l3mdev flow key when re-routing mangled packets 2022-05-16 13:03:29 +02:00
netlink.c
nexthop.c nexthop: Fix data-races around nexthop_compat_mode. 2022-07-13 12:56:50 +01:00
ping.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-23 12:33:24 -07:00
proc.c tcp: Don't allocate tcp_death_row outside of struct netns_ipv4. 2022-09-20 10:21:49 -07:00
protocol.c net: Remove the member netns_ok 2021-05-17 15:29:35 -07:00
raw_diag.c raw: complete rcu conversion 2022-06-21 11:38:29 +02:00
raw.c raw: fix a typo in raw_icmp_error() 2022-06-24 22:48:33 -07:00
route.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2022-07-25 13:25:39 +01:00
syncookies.c tcp: Fix data-races around sysctl knobs related to SYN option. 2022-07-20 10:14:49 +01:00
sysctl_net_ipv4.c tcp: Introduce optional per-netns ehash. 2022-09-20 10:21:50 -07:00
tcp_bbr.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
tcp_bic.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_bpf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-06-23 12:33:24 -07:00
tcp_cdg.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_cong.c tcp: Add tracepoint for tcp_set_ca_state 2022-04-07 20:33:15 -07:00
tcp_cubic.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
tcp_dctcp.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
tcp_dctcp.h
tcp_diag.c tcp: Access &tcp_hashinfo via net. 2022-09-20 10:21:49 -07:00
tcp_fastopen.c tcp: Make SYN ACK RTO tunable by BPF programs with TFO 2022-08-17 10:19:22 +01:00
tcp_highspeed.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_htcp.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_hybla.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_illinois.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_input.c tcp: fix early ETIMEDOUT after spurious non-SACK RTO 2022-09-06 11:06:31 +02:00
tcp_ipv4.c tcp: Introduce optional per-netns ehash. 2022-09-20 10:21:50 -07:00
tcp_lp.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_metrics.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
tcp_minisocks.c tcp: Introduce optional per-netns ehash. 2022-09-20 10:21:50 -07:00
tcp_nv.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_offload.c gro: add support of (hw)gro packets to gro stack 2022-10-03 12:38:34 +01:00
tcp_output.c net: Fix data-races around sysctl_[rw]mem_(max|default). 2022-08-24 13:46:57 +01:00
tcp_rate.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-28 13:02:01 -07:00
tcp_recovery.c tcp: Fix data-races around sysctl_tcp_recovery. 2022-07-20 10:14:50 +01:00
tcp_scalable.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_timer.c tcp: Make SYN ACK RTO tunable by BPF programs with TFO 2022-08-17 10:19:22 +01:00
tcp_ulp.c
tcp_vegas.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_vegas.h
tcp_veno.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_westwood.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_yeah.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp.c tcp: export tcp_sendmsg_fastopen 2022-09-28 18:52:03 -07:00
tunnel4.c net: Remove the member netns_ok 2021-05-17 15:29:35 -07:00
udp_bpf.c net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
udp_diag.c net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
udp_impl.h net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
udp_offload.c gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers 2021-11-24 17:21:42 -08:00
udp_tunnel_core.c rxrpc: Fix ICMP/ICMP6 error handling 2022-09-01 11:42:12 +01:00
udp_tunnel_nic.c udp_tunnel: Fix end of loop test in udp_tunnel_nic_unregister() 2022-02-23 12:35:00 +00:00
udp_tunnel_stub.c
udp.c udp: Refactor udp_read_skb() 2022-09-26 11:00:19 -07:00
udplite.c net: add per_cpu_fw_alloc field to struct proto 2022-06-10 16:21:26 -07:00
xfrm4_input.c
xfrm4_output.c
xfrm4_policy.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
xfrm4_protocol.c net: xfrm: unexport __init-annotated xfrm4_protocol_init() 2022-06-08 10:10:13 -07:00
xfrm4_state.c
xfrm4_tunnel.c xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state 2022-09-29 07:18:00 +02:00