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freebsd-skq/sys/net
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Matt Macy 4f6c66cc9c UDP: further performance improvements on tx 
Cumulative throughput while running 64
  netperf -H $DUT -t UDP_STREAM -- -m 1
on a 2x8x2 SKL went from 1.1Mpps to 2.5Mpps

Single stream throughput increases from 910kpps to 1.18Mpps

Baseline:
https://people.freebsd.org/~mmacy/2018.05.11/udpsender2.svg

- Protect read access to global ifnet list with epoch
https://people.freebsd.org/~mmacy/2018.05.11/udpsender3.svg

- Protect short lived ifaddr references with epoch
https://people.freebsd.org/~mmacy/2018.05.11/udpsender4.svg

- Convert if_afdata read lock path to epoch
https://people.freebsd.org/~mmacy/2018.05.11/udpsender5.svg

A fix for the inpcbhash contention is pending sufficient time
on a canary at LLNW.

Reviewed by:	gallatin
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D15409
2018-05-23 21:02:14 +00:00
..
altq UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
bpf_buffer.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpf_buffer.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpf_filter.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpf_jitter.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpf_jitter.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpf_zerocopy.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpf_zerocopy.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
bpf.c Use dead_bpf_if instead of bp_null. 2018-04-24 17:42:25 +00:00
bpf.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
bpfdesc.h Make BPF global lock an SX 2018-04-10 19:42:50 +00:00
bridgestp.c UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
bridgestp.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
dlt.h MFV r313759: license change for a few headers (4 clause BSD to 3 clause BSD). 2017-02-15 07:22:47 +00:00
ethernet.h Allow to specify PCP on packets not belonging to any VLAN. 2018-03-27 15:29:32 +00:00
firewire.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ieee8023ad_lacp.c Added missing CTLFLAG_VNET to lacp default_strict_mode 2018-01-24 10:13:14 +00:00
ieee8023ad_lacp.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ieee_oui.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_arp.h Remove support for the Arcnet protocol. 2018-04-13 21:18:04 +00:00
if_bridge.c Allow different bridge types to coexist 2018-05-11 05:00:40 +00:00
if_bridgevar.h Allow different bridge types to coexist 2018-05-11 05:00:40 +00:00
if_clone.c net: fix set but not used 2018-05-19 05:27:49 +00:00
if_clone.h iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
if_dead.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_debug.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_disc.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_dl.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_edsc.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_enc.c netpfil: Introduce PFIL_FWD flag 2018-03-23 16:56:44 +00:00
if_enc.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_epair.c Improve MAC address uniqueness on if_epair(4). 2018-05-23 13:10:57 +00:00
if_ethersubr.c Allow different bridge types to coexist 2018-05-11 05:00:40 +00:00
if_fwsubr.c Improve copy-and-pasted versions of SIOCGIFADDR. 2018-03-27 20:51:49 +00:00
if_gif.c Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
if_gif.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_gre.c Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
if_gre.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_ipsec.c Apply the change from r272770 to if_ipsec(4) interface. 2018-05-11 16:50:25 +00:00
if_ipsec.h Merge projects/ipsec into head/. 2017-02-06 08:49:57 +00:00
if_lagg.c Simplify lagg_input(). 2018-05-22 15:35:38 +00:00
if_lagg.h Simplify lagg_input(). 2018-05-22 15:35:38 +00:00
if_llatbl.c UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
if_llatbl.h UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
if_llc.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_loop.c Add IFCAP_LINKSTATE support to if_loop(4). 2018-05-09 10:50:51 +00:00
if_me.c Do not adjust interface MTU automatically. Leave this task to the system 2017-04-11 08:56:18 +00:00
if_media.c Finish removing FDDI and tokenring media support. 2018-04-23 21:10:33 +00:00
if_media.h Finish removing FDDI and tokenring media support. 2018-04-23 21:10:33 +00:00
if_mib.c
if_mib.h
if_pflog.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_pfsync.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_sppp.h
if_spppfr.c
if_spppsubr.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_stf.c net: fix set but not used 2018-05-19 05:27:49 +00:00
if_tap.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_tap.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_tapvar.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
if_tun.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_tun.h Allow an MTU of 65535 bytes to be set via TUN[SG]IFINFO. This requires 2016-05-24 11:47:14 +00:00
if_types.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
if_var.h UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
if_vlan_var.h Allow to specify PCP on packets not belonging to any VLAN. 2018-03-27 15:29:32 +00:00
if_vlan.c ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
if_vxlan.c net: fix set but not used 2018-05-19 05:27:49 +00:00
if_vxlan.h Add support for IPv6 scoped addresses to vxlan 2017-12-30 04:03:53 +00:00
if.c UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
if.h iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
ifdi_if.m iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
iflib_clone.c iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
iflib_private.h Work around lack of TX IRQs in iflib for netmap 2018-05-16 21:03:22 +00:00
iflib.c net: fix uninitialized variable warning 2018-05-19 19:00:04 +00:00
iflib.h iflib(9): Add support for cloning pseudo interfaces 2018-05-11 20:08:28 +00:00
ifq.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
mp_ring.c mp_ring: fix i386 2018-05-19 16:44:12 +00:00
mp_ring.h
mppc.h ng_mppc(4): Bring netgraph(3) MPPC compression support. 2016-06-07 15:07:00 +00:00
mppcc.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
mppcd.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
netisr_internal.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netisr.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netisr.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
netmap_legacy.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
netmap_user.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
netmap_virt.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
netmap.h netmap: align codebase to the current upstream (commit id 3fb001303718146) 2018-04-12 07:20:50 +00:00
paravirt.h
pfil.c netpfil: Introduce PFIL_FWD flag 2018-03-23 16:56:44 +00:00
pfil.h netpfil: Introduce PFIL_FWD flag 2018-03-23 16:56:44 +00:00
pfkeyv2.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
pfvar.h pf: Improve ioctl validation for DIOCRGETTABLES, DIOCRGETTSTATS, DIOCRCLRTSTATS and DIOCRSETTFLAGS 2018-04-06 15:54:30 +00:00
ppp_defs.h
radix_mpath.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
radix_mpath.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
radix.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
radix.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_cb.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_cb.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_usrreq.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
rndis.h rndis: Add LINK_SPEED_CHANGE status 2017-07-24 03:59:50 +00:00
route_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
route.c UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
route.h Reduce code duplication for inpcb route caching 2018-01-23 03:15:39 +00:00
rss_config.c rss: Remove never defined UDP_IPV4_EX 2017-10-11 06:08:01 +00:00
rss_config.h rss: Remove never defined UDP_IPV4_EX 2017-10-11 06:08:01 +00:00
rtsock.c UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
sff8436.h
sff8472.h ifconfig(8): Display extended compliance code string for SFP transceivers 2017-12-05 18:42:07 +00:00
slcompress.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
slcompress.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
toeplitz.c
toeplitz.h
vnet.c Use NULL for SYSINIT's last arg, which is a pointer type 2018-05-18 17:58:09 +00:00
vnet.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00