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linux/net/core
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Matteo Croce 2544af0344 net: avoid indirect calls in L4 checksum calculation 
Commit 283c16a2df ("indirect call wrappers: helpers to speed-up
indirect calls of builtin") introduces some macros to avoid doing
indirect calls.

Use these helpers to remove two indirect calls in the L4 checksum
calculation for devices which don't have hardware support for it.

As a test I generate packets with pktgen out to a dummy interface
with HW checksumming disabled, to have the checksum calculated in
every sent packet.
The packet rate measured with an i7-6700K CPU and a single pktgen
thread raised from 6143 to 6608 Kpps, an increase by 7.5%

Suggested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-30 14:34:12 -07:00
..
bpf_sk_storage.c bpf: Use PTR_ERR_OR_ZERO in bpf_fd_sk_storage_update_elem() 2019-05-04 23:20:58 -07:00
datagram.c datagram: remove rendundant 'peeked' argument 2019-04-08 09:51:54 -07:00
datagram.h net/core: Allow the compiler to verify declaration and definition consistency 2019-03-27 13:49:44 -07:00
dev_addr_lists.c net: dev: Issue NETDEV_PRE_CHANGEADDR 2018-12-13 18:41:38 -08:00
dev_ioctl.c net/core: Document all dev_ioctl() arguments 2019-03-27 13:49:43 -07:00
dev.c net: avoid weird emergency message 2019-05-16 14:25:58 -07:00
devlink.c devlink: add warning in case driver does not set port type 2019-05-23 09:18:43 -07:00
drop_monitor.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dst_cache.c
dst.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
ethtool.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-05 14:14:19 -07:00
failover.c failover: allow name change on IFF_UP slave interfaces 2019-04-10 22:12:26 -07:00
fib_notifier.c
fib_rules.c fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied 2019-05-08 09:32:10 -07:00
filter.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-04-28 08:42:41 -04:00
flow_dissector.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
flow_offload.c flow_offload: use struct_size() in kzalloc() 2019-05-25 10:57:58 -07:00
gen_estimator.c net: core: protect rate estimator statistics pointer with lock 2018-08-11 12:37:10 -07:00
gen_stats.c Revert: "net: sched: put back q.qlen into a single location" 2019-04-10 12:20:46 -07:00
gro_cells.c gro_cells: make sure device is up in gro_cells_receive() 2019-03-10 11:07:14 -07:00
hwbm.c
link_watch.c net: linkwatch: add check for netdevice being present to linkwatch_do_dev 2018-09-19 21:06:46 -07:00
lwt_bpf.c netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
lwtunnel.c netlink: make nla_nest_start() add NLA_F_NESTED flag 2019-04-27 17:03:44 -04:00
Makefile bpf: Introduce bpf sk local storage 2019-04-27 09:07:04 -07:00
neighbour.c neighbor: Add tracepoint to __neigh_create 2019-05-22 17:50:24 -07:00
net_namespace.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
net-procfs.c treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively 2019-04-09 14:19:06 +02:00
net-sysfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-05-07 22:03:58 -07:00
net-sysfs.h
net-traces.c trace: events: add a few neigh tracepoints 2019-02-17 10:33:39 -08:00
netclassid_cgroup.c cgroup, netclassid: add a preemption point to write_classid 2018-10-23 12:58:17 -07:00
netevent.c
netpoll.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
netprio_cgroup.c cgroup: net: remove left over MODULE_LICENSE tag 2019-04-22 21:50:54 -07:00
page_pool.c page_pool: use DMA_ATTR_SKIP_CPU_SYNC for DMA mappings 2019-02-13 22:00:16 -08:00
pktgen.c xfrm: remove output indirection from xfrm_mode 2019-04-08 09:14:28 +02:00
ptp_classifier.c net/core: work around section mismatch warning for ptp_classifier 2019-04-16 20:46:17 -07:00
request_sock.c
rtnetlink.c rtnetlink: always put IFLA_LINK for links with a link-netnsid 2019-05-14 15:40:01 -07:00
scm.c socket: Add SO_TIMESTAMPING_NEW 2019-02-03 11:17:31 -08:00
secure_seq.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
skbuff.c net: avoid indirect calls in L4 checksum calculation 2019-05-30 14:34:12 -07:00
skmsg.c bpf: sockmap fix msg->sg.size account on ingress skb 2019-05-14 01:31:43 +02:00
sock_diag.c net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd() 2018-08-14 10:01:24 -07:00
sock_map.c bpf: skmsg, fix psock create on existing kcm/tls port 2018-10-20 00:40:45 +02:00
sock_reuseport.c net/core: Document reuseport_add_sock() bind_inany argument 2019-03-27 13:49:43 -07:00
sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-04-28 08:42:41 -04:00
stream.c tcp: reduce POLLOUT events caused by TCP_NOTSENT_LOWAT 2018-12-04 21:21:18 -08:00
sysctl_net_core.c net: convert rps_needed and rfs_needed to new static branch api 2019-03-23 21:57:38 -04:00
timestamping.c
tso.c
utils.c net: Remove some unneeded semicolon 2018-08-04 13:05:39 -07:00
xdp.c xdp: remove redundant variable 'headroom' 2018-09-01 01:35:53 +02:00