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linux/net/core
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Jason Wang 3df97ba830 tuntap: calculate rps hash only when needed 
There's no need to calculate rps hash if it was not enabled. So this
patch export rps_needed and check it before trying to get rps
hash. Tests (using pktgen to inject packets to guest) shows this can
improve pps about 13% (when rps is disabled).

Before:
~1150000 pps
After:
~1300000 pps

Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
----
Changes from V1:
- Fix build when CONFIG_RPS is not set
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-28 16:38:54 -04:00
..
datagram.c udp: enable MSG_PEEK at non-zero offset 2016-04-05 16:29:37 -04:00
dev.c tuntap: calculate rps hash only when needed 2016-04-28 16:38:54 -04:00
dev_addr_lists.c
dev_ioctl.c
devlink.c devlink: implement shared buffer occupancy monitoring interface 2016-04-14 16:22:03 -04:00
drop_monitor.c
dst.c net: add dst_cache to ovs vxlan lwtunnel 2016-02-16 20:21:48 -05:00
dst_cache.c net: dst_cache_per_cpu_dst_set() can be static 2016-03-18 17:45:08 -04:00
ethtool.c net: ethtool: export conversion function between u32 and link mode 2016-04-18 14:45:08 -04:00
fib_rules.c libnl: nla_put_be64(): align on a 64-bit area 2016-04-23 20:13:24 -04:00
filter.c bpf: add event output helper for notifications/sampling/logging 2016-04-19 20:26:11 -04:00
flow.c
flow_dissector.c net/flow_dissector: Make dissector_uses_key() and skb_flow_dissector_target() public 2016-03-10 16:24:02 -05:00
gen_estimator.c net: sched: Add description for cpu_bstats argument 2016-03-20 16:48:07 -04:00
gen_stats.c sched: align nlattr properly when needed 2016-04-26 12:00:49 -04:00
hwbm.c net: add a hardware buffer management helper API 2016-03-14 12:19:46 -04:00
link_watch.c
lwtunnel.c lwtunnel: autoload of lwt modules 2016-02-21 22:00:28 -05:00
Makefile net: add a hardware buffer management helper API 2016-03-14 12:19:46 -04:00
neighbour.c neigh: align nlattr properly when needed 2016-04-26 12:00:49 -04:00
net-procfs.c net: remove NETDEV_TX_LOCKED support 2016-04-26 15:53:05 -04:00
net-sysfs.c net: core: use __ethtool_get_ksettings 2016-02-25 22:06:47 -05:00
net-sysfs.h
net-traces.c net: IPv6 fib lookup tracepoint 2015-11-22 11:54:10 -05:00
net_namespace.c
netclassid_cgroup.c core: remove unneded headers for net cgroup controllers. 2016-02-17 15:31:27 -05:00
netevent.c
netpoll.c Revert "netpoll: Fix extra refcount release in netpoll_cleanup()" 2016-04-05 19:34:44 -04:00
netprio_cgroup.c core: remove unneded headers for net cgroup controllers. 2016-02-17 15:31:27 -05:00
pktgen.c net: remove NETDEV_TX_LOCKED support 2016-04-26 15:53:05 -04:00
ptp_classifier.c
request_sock.c
rtnetlink.c rtnl: align nlattr properly when needed 2016-04-26 12:00:49 -04:00
scm.c unix: correctly track in-flight fds in sending process user_struct 2016-02-08 10:30:42 -05:00
secure_seq.c
skbuff.c skbuff: Add pskb_extract() helper function 2016-04-25 16:54:14 -04:00
sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-04-09 17:41:41 -04:00
sock_diag.c sock_diag: align nlattr properly when needed 2016-04-26 12:00:48 -04:00
sock_reuseport.c soreuseport: fix NULL ptr dereference SO_REUSEPORT after bind 2016-01-19 14:44:23 -05:00
stream.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-03 21:09:12 -05:00
sysctl_net_core.c net:Add sysctl_max_skb_frags 2016-02-09 04:28:06 -05:00
timestamping.c
tso.c
utils.c