freebsd-dev/sys/net
Matt Macy a6bc59f203 Reduce overhead of entropy collection
- move harvest mask check inline
- move harvest mask to frequently_read out of actively
  modified cache line
- disable ether_input collection and describe its limitations
  in NOTES

Typically entropy collection in ether_input was stirring zero
in to the entropy pool while at the same time greatly reducing
max pps. This indicates that perhaps we should more closely
scrutinize how much entropy we're getting from a given source
as well as what our actual entropy collection needs are for
seeding Yarrow.

Reviewed by: cem, gallatin, delphij
Approved by: secteam
Differential Revision: https://reviews.freebsd.org/D15526
2018-05-31 21:53:07 +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 Re-apply r190640. 2018-05-31 09:11:21 +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 Reduce overhead of entropy collection 2018-05-31 21:53:07 +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 CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_lagg.h CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_llatbl.c CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
if_llatbl.h CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +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 These files were getting sys/malloc.h and vm/uma.h with header pollution 2016-02-01 17:41:21 +00:00
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 sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
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 CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +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 if_setlladdr: don't call ioctl in epoch context 2018-05-30 21:46:10 +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 iflib: mark irq allocation name parameter as constant 2018-05-29 21:56:39 +00:00
iflib.h iflib: mark irq allocation name parameter as constant 2018-05-29 21:56:39 +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 Import the 'iflib' API library for network drivers. From the author: 2016-05-18 04:35:58 +00:00
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: Add missing include statement 2018-05-30 12:40:37 +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 rt_getifa_fib: don't use ifa but info->rti_ifa 2018-05-29 07:14:57 +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 Add SFF-8024 Extended Specification Compliance 2015-12-28 09:26:07 +00:00
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