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opnsense-src/sys/net
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John Baldwin 521eac97f3 Support hardware rate limiting (pacing) with TLS offload. 
- Add a new send tag type for a send tag that supports both rate
  limiting (packet pacing) and TLS offload (mostly similar to D22669
  but adds a separate structure when allocating the new tag type).

- When allocating a send tag for TLS offload, check to see if the
  connection already has a pacing rate.  If so, allocate a tag that
  supports both rate limiting and TLS offload rather than a plain TLS
  offload tag.

- When setting an initial rate on an existing ifnet KTLS connection,
  set the rate in the TCP control block inp and then reset the TLS
  send tag (via ktls_output_eagain) to reallocate a TLS + ratelimit
  send tag.  This allocates the TLS send tag asynchronously from a
  task queue, so the TLS rate limit tag alloc is always sleepable.

- When modifying a rate on a connection using KTLS, look for a TLS
  send tag.  If the send tag is only a plain TLS send tag, assume we
  failed to allocate a TLS ratelimit tag (either during the
  TCP_TXTLS_ENABLE socket option, or during the send tag reset
  triggered by ktls_output_eagain) and ignore the new rate.  If the
  send tag is a ratelimit TLS send tag, change the rate on the TLS tag
  and leave the inp tag alone.

- Lock the inp lock when setting sb_tls_info for a socket send buffer
  so that the routines in tcp_ratelimit can safely dereference the
  pointer without needing to grab the socket buffer lock.

- Add an IFCAP_TXTLS_RTLMT capability flag and associated
  administrative controls in ifconfig(8).  TLS rate limit tags are
  only allocated if this capability is enabled.  Note that TLS offload
  (whether unlimited or rate limited) always requires IFCAP_TXTLS[46].

Reviewed by:	gallatin, hselasky
Relnotes:	yes
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D26691
2020-10-29 00:23:16 +00:00
..
altq net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
route Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
bpf.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
bpf.h Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
bpf_buffer.c Add an external mbuf buffer type that holds multiple unmapped pages. 2019-06-29 00:48:33 +00:00
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 Make UMA and malloc(9) return non-executable memory in most cases. 2018-06-13 17:04:41 +00:00
bpf_zerocopy.c Change synchonization rules for vm_page reference counting. 2019-09-09 21:32:42 +00:00
bpf_zerocopy.h
bpfdesc.h Rework locking in BPF code to remove rwlock from fast path. 2019-05-13 13:45:28 +00:00
bridgestp.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
bridgestp.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
debugnet.c Convert debugnet to the new routing KPI. 2020-04-26 18:42:38 +00:00
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 Add support for stacked VLANs (IEEE 802.1ad, AKA Q-in-Q). 2020-10-21 21:28:20 +00:00
firewire.h
ieee8023ad_lacp.c Add support for IP over infiniband, IPoIB, to lagg(4). Currently only 2020-10-22 09:47:12 +00:00
ieee8023ad_lacp.h make lacp's use_numa hashing aware of send tags 2020-03-09 13:44:51 +00:00
ieee_oui.h Fix a typo in r349969 2019-07-14 03:49:48 +00:00
if.c add SIOCGIFDATA ioctl 2020-09-28 16:54:39 +00:00
if.h Support hardware rate limiting (pacing) with TLS offload. 2020-10-29 00:23:16 +00:00
if_arp.h Improve ARP logging. 2019-03-09 01:12:59 +00:00
if_bridge.c bridge: call member interface ioctl() without NET_EPOCH 2020-10-06 19:19:56 +00:00
if_bridgevar.h libifconfig: Add function to get bridge status 2020-07-01 02:32:41 +00:00
if_clone.c Add support for stacked VLANs (IEEE 802.1ad, AKA Q-in-Q). 2020-10-21 21:28:20 +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 This adds the third step in getting BBR into the tree. BBR and 2019-08-01 14:17:31 +00:00
if_debug.c
if_disc.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +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 net: mitigate vnet / epair cleanup races 2020-09-08 14:54:10 +00:00
if_ethersubr.c Add support for IP over infiniband, IPoIB, to lagg(4). Currently only 2020-10-22 09:47:12 +00:00
if_fwsubr.c Improve copy-and-pasted versions of SIOCGIFADDR. 2018-03-27 20:51:49 +00:00
if_gif.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_gif.h gif_transmit() must always be called in the network epoch. 2020-01-15 06:18:32 +00:00
if_gre.c Add if_reassing method to all tunneling interfaces. 2020-06-03 13:02:31 +00:00
if_gre.h Add GRE-in-UDP encapsulation support as defined in RFC8086. 2019-04-24 09:05:45 +00:00
if_infiniband.c More style fixes (partial revert of r366994). 2020-10-24 13:07:50 +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 Add support for IP over infiniband, IPoIB, to lagg(4). Currently only 2020-10-22 09:47:12 +00:00
if_lagg.h Add support for IP over infiniband, IPoIB, to lagg(4). Currently only 2020-10-22 09:47:12 +00:00
if_llatbl.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_llatbl.h Implement optional table entry limits for if_llatbl. 2020-03-04 17:17:02 +00:00
if_llc.h
if_loop.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_me.c Add if_reassing method to all tunneling interfaces. 2020-06-03 13:02:31 +00:00
if_media.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +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
if_pfsync.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_sppp.h
if_spppfr.c
if_spppsubr.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_stf.c Complete conversions from fib<4|6>_lookup_nh_<basic|ext> to fib<4|6>_lookup(). 2020-07-02 21:04:08 +00:00
if_tap.h tap: add support for virtio-net offloads 2019-10-18 21:53:27 +00:00
if_tun.h if_tuntap(4): Add TUNGIFNAME 2019-07-25 22:23:34 +00:00
if_tuntap.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +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 Support hardware rate limiting (pacing) with TLS offload. 2020-10-29 00:23:16 +00:00
if_vlan.c Support hardware rate limiting (pacing) with TLS offload. 2020-10-29 00:23:16 +00:00
if_vlan_var.h Add support for stacked VLANs (IEEE 802.1ad, AKA Q-in-Q). 2020-10-21 21:28:20 +00:00
if_vxlan.c if_vxlan(4): csum_flags_to_inner_flags takes the tunnel protocol as a parameter. 2020-10-22 17:05:55 +00:00
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 iflib: fix typo bug introduced by r367093 2020-10-28 21:06:17 +00:00
iflib.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
iflib_clone.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
iflib_private.h - Replace unused and only ever written to members of public iflib(9) 2019-06-15 11:07:41 +00:00
ifq.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +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 mp_ring: avoid items offset difference between iflib and mp_ring 2019-01-03 23:06:05 +00:00
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 net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +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 Most Ethernet drivers that potentially can run a pfil(9) hook with 2019-03-10 17:20:09 +00:00
pfkeyv2.h Add SADB_SAFLAGS_ESN flag 2020-10-16 11:22:29 +00:00
pfvar.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ppp_defs.h
radix.c Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
radix.h Fix typo. 2018-06-16 19:21:09 +00:00
radix_mpath.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
radix_mpath.h Convert rtalloc_mpath_fib() users to the new KPI. 2020-04-28 08:06:56 +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
rndis.h
route.c Introduce scalable route multipath. 2020-10-03 10:47:17 +00:00
route.h Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +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 Fix route flags update during RTM_CHANGE. 2020-10-04 13:24:58 +00:00
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 Partially revert VNET change and expand VNET structure. 2020-02-17 11:08:50 +00:00
vnet.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00