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opnsense-src/sys/net
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Kristof Provost 2e0bee4c7f if_epair: implement fanout 
Allow multiple cores to be used to process if_epair traffic. We do this
(if RSS is enabled) based on the RSS hash of the incoming packet. This
allows us to distribute the load over multiple cores, rather than
sending everything to the same one.

We also switch from swi_sched() to taskqueues, which also contributes to
better throughput.

Benchmark results:
With net.isr.maxthreads=-1

Setup A: (cc0 - bridge0 - epair0a) (epair0b - bridge1 - cc1)

Before          627 Kpps
After (no RSS)  1.198 Mpps
After (RSS)     3.148 Mpps

Setup B: (cc0 - bridge0 - epaira0) (epair0b - vnet jail - epair1a) (epair1b - bridge1 - cc1)

Before          7.705 Kpps
After (no RSS)  1.017 Mpps
After (RSS)     2.083 Mpps

MFC after:	3 weeks
Sponsored by:	Orange Business Services
Differential Revision:	https://reviews.freebsd.org/D33731

(cherry picked from commit 24f0bfbad5)
2022-02-23 16:39:04 +01:00
..
altq altq: Fix panics on rmc_restart() 2021-08-30 10:02:14 +02:00
route routing: Use the same index space for both nexthop and nexthop groups. 2021-12-04 19:03:05 +00:00
bpf.c vlan: deduplicate bpf_setpcp() and pf_ieee8021q_setpcp() 2021-08-02 16:50:32 +02:00
bpf.h bpf: Add an ioctl to set the VLAN Priority on packets sent by bpf 2021-08-02 16:50:32 +02:00
bpf_buffer.c
bpf_buffer.h
bpf_filter.c
bpf_jitter.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bpf_jitter.h
bpf_zerocopy.c
bpf_zerocopy.h
bpfdesc.h bpf: Add an ioctl to set the VLAN Priority on packets sent by bpf 2021-08-02 16:50:32 +02:00
bridgestp.c bridgestp: validate timer values in config BPDU 2021-05-18 12:00:38 +02:00
bridgestp.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
debugnet.c debugnet: Include some required headers 2021-09-21 09:37:42 -04:00
debugnet.h Implement NetGDB(4) 2019-10-17 21:33:01 +00:00
debugnet_inet.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
debugnet_int.h Implement NetGDB(4) 2019-10-17 21:33:01 +00:00
dlt.h MFV r353141 (by phillip): 2019-12-21 21:01:03 +00:00
ethernet.h ifconfig: Minor documentation fix 2021-05-10 03:48:05 +03:00
firewire.h
ieee8023ad_lacp.c LACP: When suppressing distributing, return ENOBUFS 2020-11-18 14:55:49 +00:00
ieee8023ad_lacp.h LACP: When suppressing distributing, return ENOBUFS 2020-11-18 14:55:49 +00:00
ieee_oui.h Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights 2022-02-08 15:00:55 -05:00
if.c net: Enter a net epoch around protocol if_up/down notifications 2021-09-17 09:13:09 -04:00
if.h Widen ifnet_detach_sxlock coverage 2021-02-17 14:12:54 +01:00
if_arp.h
if_bridge.c if_bridge: add ALTQ support 2021-09-01 15:27:01 +02:00
if_bridgevar.h bridge: fix STP roles and protos strings 2021-02-04 15:22:45 +01:00
if_clone.c MFC 53729367d3: Fix subinterface vlan creation. 2021-02-04 22:21:00 +00:00
if_clone.h epair: Do not abuse params to register the second interface 2020-01-28 22:44:24 +00:00
if_dead.c
if_debug.c
if_disc.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_dl.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_edsc.c if_edsc: generate an arbitrary MAC address 2020-03-02 02:45:57 +00:00
if_enc.c Consistently include opt_ipsec.h for consumers of <netipsec/ipsec.h>. 2020-05-29 19:22:40 +00:00
if_enc.h
if_epair.c if_epair: implement fanout 2022-02-23 16:39:04 +01:00
if_ethersubr.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_fwsubr.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_gif.c if_gif: fix vnet shutdown panic 2021-11-29 15:44:39 +01:00
if_gif.h gif_transmit() must always be called in the network epoch. 2020-01-15 06:18:32 +00:00
if_gre.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_gre.h
if_infiniband.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_ipsec.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_ipsec.h
if_lagg.c lagg: fix unused-but-set-variable 2021-11-26 04:40:56 +01:00
if_lagg.h Fix for IPoIB over lagg(4). 2020-12-29 17:35:06 +01:00
if_llatbl.c lltable: Add support for "child" LLEs holding encap for IPv4oIPv6 entries. 2021-09-07 21:02:58 +00:00
if_llatbl.h lltable: Add support for "child" LLEs holding encap for IPv4oIPv6 entries. 2021-09-07 21:02:58 +00:00
if_llc.h
if_loop.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_me.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_media.c if_media.c SIOCGMEDIAX handler: improve loop 2020-11-03 14:33:04 +00:00
if_media.h if_media: definitions for 40GE LM4 ethernet media type 2020-09-16 14:45:16 +00:00
if_mib.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_mib.h
if_pflog.h pflog: align header to 4 bytes, not 8 2022-02-09 10:40:58 +01:00
if_pfsync.h pfsync: Expose PFSYNCF_OK flag to userspace 2021-05-10 21:45:57 +02:00
if_sppp.h
if_spppfr.c
if_spppsubr.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_stf.c if_stf: style(9) pass 2021-12-01 16:53:19 +01:00
if_tap.h tap: add support for virtio-net offloads 2019-10-18 21:53:27 +00:00
if_tun.h
if_tuntap.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
if_types.h Add support for IP over infiniband, IPoIB, to lagg(4). Currently only 2020-10-22 09:47:12 +00:00
if_var.h Enforce check for using the return result for ifa?_try_ref(). 2021-09-07 21:01:31 +00:00
if_vlan.c Retore the vnet before returning an error. 2021-09-05 18:25:44 -04:00
if_vlan_var.h vlan: deduplicate bpf_setpcp() and pf_ieee8021q_setpcp() 2021-08-02 16:50:32 +02:00
if_vxlan.c if_vxlan(4): Allow netmap_generic to intercept RX packets. 2022-02-23 14:01:20 +03:00
if_vxlan.h if_vxlan(4): add support for hardware assisted checksumming, TSO, and RSS. 2020-09-18 02:37:57 +00:00
ifdi_if.m iflib: Stop interface before (un)registering VLAN 2020-04-27 22:02:44 +00:00
iflib.c netmap: fix LOR in iflib_netmap_register 2022-02-13 10:19:26 +00:00
iflib.h iflib: Make if_shared_ctx_t a pointer to const 2021-03-22 11:42:18 -04:00
iflib_clone.c iflib: Fix detach of pseudo interfaces 2021-02-24 10:20:55 -05:00
iflib_private.h
ifq.h Make net/ifq.h C++ friendly 2020-11-20 14:45:45 +00:00
infiniband.h Factor out generic IP over infiniband, IPoIB, definitions and code 2020-10-22 09:09:53 +00:00
mp_ring.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
mp_ring.h
mppc.h
mppcc.c kernel: provide panicky version of __unreachable 2020-05-13 18:07:37 +00:00
mppcd.c
netisr.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
netisr.h
netisr_internal.h
netmap.h netmap: monitor: add a flag to distinguish packet direction 2021-09-26 14:00:04 +00:00
netmap_legacy.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
netmap_user.h netmap: fix constness warnings generated by "-Wcast-qual" 2020-10-03 09:33:29 +00:00
netmap_virt.h netmap: disable passthrough with no hypervisor support 2020-01-13 21:47:23 +00:00
paravirt.h
pfil.c Since now drivers that support pfil run their interrupts in the network 2020-01-23 01:49:22 +00:00
pfil.h
pfkeyv2.h Add SADB_SAFLAGS_ESN flag 2020-10-16 11:22:29 +00:00
pfvar.h pf: Initialize pf_kpool mutexes earlier 2022-02-07 09:10:16 -05:00
ppp_defs.h
radix.c routing: Fix crashes with dpdk_lpm[46] algo. 2021-09-07 21:02:58 +00:00
radix.h routing: Fix crashes with dpdk_lpm[46] algo. 2021-09-07 21:02:58 +00:00
raw_cb.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
raw_cb.h
raw_usrreq.c socket: Implement SO_RERROR 2021-08-10 18:54:00 -07:00
rndis.h Hyper-V: hn: Enable vSwitch RSC support in hn netvsc driver 2021-03-29 03:20:03 -07:00
route.c routing: fix source address selection rules for IPv4 over IPv6. 2021-12-04 19:02:52 +00:00
route.h routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-09-07 21:25:06 +00:00
rss_config.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
rss_config.h
rtsock.c Add required sysctl name length checks to various handlers 2021-07-29 20:32:58 -04:00
sff8436.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sff8472.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
slcompress.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
slcompress.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
toeplitz.c
toeplitz.h
vnet.c Widen ifnet_detach_sxlock coverage 2021-02-17 14:12:54 +01:00
vnet.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00