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linux/net/ipv4
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Pavel Begunkov 8eb77cc739 ipv4: avoid partial copy for zc 
Even when zerocopy transmission is requested and possible,
__ip_append_data() will still copy a small chunk of data just because it
allocated some extra linear space (e.g. 148 bytes). It wastes CPU cycles
on copy and iter manipulations and also misalignes potentially aligned
data. Avoid such copies. And as a bonus we can allocate smaller skb.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-18 19:58:03 -07:00
..
bpfilter
net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces"
2020-08-10 12:06:44 -07:00
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
2022-05-16 10:10:37 +01:00
af_inet.c
ipv4: Avoid using RTO_ONLINK with ip_route_connect().
2022-04-22 13:06:03 +01:00
ah4.c
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
arp.c
arp: fix unused variable warnning when CONFIG_PROC_FS=n
2022-04-25 11:50:18 +01:00
bpf_tcp_ca.c
bpf: reject program if a __user tagged memory accessed in kernel way
2022-01-27 12:03:46 -08:00
cipso_ipv4.c
NET: IPV4: fix error "do not initialise globals to 0"
2021-09-19 12:43:56 +01:00
datagram.c
ipv4: Avoid using RTO_ONLINK with ip_route_connect().
2022-04-22 13:06:03 +01:00
devinet.c
Networking changes for 5.19.
2022-05-25 12:22:58 -07:00
esp4_offload.c
net: Fix esp GSO on inter address family tunnels.
2022-03-07 13:14:04 +01:00
esp4.c
xfrm: free not used XFRM_ESP_NO_TRAILER flag
2022-05-06 08:24:20 +02:00
fib_frontend.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
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
ipv4: Use dscp_t in struct fib_rt_info
2022-04-11 17:37:50 -07:00
fib_trie.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
fou.c
fou: Remove XRFM from NET_FOU Kconfig
2022-04-12 14:56:33 -07:00
gre_demux.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
gre_offload.c
gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers
2021-11-24 17:21:42 -08:00
icmp.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
igmp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-05-05 13:03:18 -07:00
inet_connection_sock.c
Revert "net: Add a second bind table hashed by port and address"
2022-06-16 11:07:59 -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
Revert "net: Add a second bind table hashed by port and address"
2022-06-16 11:07:59 -07:00
inet_timewait_sock.c
Revert "tcp/dccp: get rid of inet_twsk_purge()"
2022-05-13 12:24:12 +01:00
inetpeer.c
inetpeer: use div64_ul() and clamp_val() calculate inet_peer_threshold
2021-03-01 13:32:12 -08:00
ip_forward.c
net: ip: add skb drop reasons to ip forwarding
2022-04-13 13:09:57 +01:00
ip_fragment.c
net: ip: Handle delivery_time in ip defrag
2022-03-03 14:38:48 +00:00
ip_gre.c
erspan: do not assume transport header is always set
2022-06-20 10:00:55 +01:00
ip_input.c
net-core: rx_otherhost_dropped to core_stats
2022-04-07 20:32:49 -07:00
ip_options.c
ipv4: drop fragmentation code from ip_options_build()
2022-01-29 17:53:07 +00:00
ip_output.c
ipv4: avoid partial copy for zc
2022-07-18 19:58:03 -07:00
ip_sockglue.c
ipv4: Exposing __ip_sock_set_tos() in ip.h
2021-11-20 14:11:00 +00:00
ip_tunnel_core.c
tunnels: do not assume mac header is set in skb_tunnel_check_pmtu()
2022-06-27 11:50:30 +01:00
ip_tunnel.c
net: Handle l3mdev in ip_tunnel_init_flow
2022-04-15 14:27:30 -07:00
ip_vti.c
ip: use dev_addr_set() in tunnels
2021-10-13 09:41:37 -07:00
ipcomp.c
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
ipconfig.c
net: ipconfig: Release the rtnl_lock while waiting for carrier
2021-10-28 14:36:41 +01:00
ipip.c
ip: use dev_addr_set() in tunnels
2021-10-13 09:41:37 -07:00
ipmr_base.c
…
ipmr.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
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: change nexthop_net_exit() to nexthop_net_exit_batch()
2022-02-08 20:41:33 -08:00
ping.c
ipv4: ping: fix bind address validity check
2022-06-17 11:41:34 +01:00
proc.c
tcp: allocate tcp_death_row outside of struct netns_ipv4
2022-01-26 19:00:31 -08:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
raw.c
net: SO_RCVMARK socket option for SO_MARK with recvmsg()
2022-04-28 13:08:15 -07:00
route.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-05-19 11:23:59 -07:00
syncookies.c
tcp: make sure treq->af_specific is initialized
2022-04-25 12:10:11 +01:00
sysctl_net_ipv4.c
net: sysctl: introduce sysctl SYSCTL_THREE
2022-05-03 10:15:06 +02:00
tcp_bbr.c
net: allow gso_max_size to exceed 65536
2022-05-16 10:18:55 +01:00
tcp_bic.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_bpf.c
sock: redo the psock vs ULP protection check
2022-06-23 10:08:30 +02:00
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
tcp_cubic: make hystart_ack_delay() aware of BIG TCP
2022-05-16 10:18:56 +01:00
tcp_dctcp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_dctcp.h
…
tcp_diag.c
inet_diag: Move the INET_DIAG_REQ_BYTECODE nlattr to cb->data
2020-02-27 18:50:19 -08:00
tcp_fastopen.c
net/ipv4/tcp_fastopen.c: remove superfluous header files from tcp_fastopen.c
2021-09-20 13:09:06 +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 tcp_mtup_probe_success vs wrong snd_cwnd
2022-05-28 12:42:08 +01:00
tcp_ipv4.c
tcp: add a missing nf_reset_ct() in 3WHS handling
2022-06-24 16:27:46 -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
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_minisocks.c
tcp: md5: incorrect tcp_header_len for incoming connections
2022-04-22 15:05:59 -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
net: move gro definitions to include/net/gro.h
2021-11-16 13:16:54 +00:00
tcp_output.c
tcp: tcp_rtx_synack() can be called from process context
2022-05-31 21:40:10 -07:00
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: use tcp_skb_sent_after() instead in RACK
2022-04-30 13:56:46 +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
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
tcp_ulp.c
bpf: sockmap: Only check ULP for TCP sockets
2020-03-09 22:34:58 +01:00
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
Revert "net: Add a second bind table hashed by port and address"
2022-06-16 11:07:59 -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
net/ipv4/udp_tunnel_core.c: remove superfluous header files from udp_tunnel_core.c
2021-09-21 10:17:20 +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_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
udp.c
inet: rename INET_MATCH()
2022-05-16 10:31:06 +01:00
udplite.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
xfrm4_input.c
xfrm: state: remove extract_input indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_output.c
xfrm: fix unused variable warning if CONFIG_NETFILTER=n
2020-05-11 15:12:27 +02:00
xfrm4_policy.c
net: Add l3mdev index to flow struct and avoid oif reset for port devices
2022-03-15 20:20:02 -07:00
xfrm4_protocol.c
net: xfrm: unexport __init-annotated xfrm4_protocol_init()
2022-06-08 10:10:13 -07:00
xfrm4_state.c
xfrm: remove output_finish indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_tunnel.c
net/ipv4/xfrm4_tunnel.c: remove superfluous header files from xfrm4_tunnel.c
2021-09-23 10:10:00 +02:00