freebsd-dev/sys/net
Roy Marples 7045b1603b socket: Implement SO_RERROR
SO_RERROR indicates that receive buffer overflows should be handled as
errors. Historically receive buffer overflows have been ignored and
programs could not tell if they missed messages or messages had been
truncated because of overflows. Since programs historically do not
expect to get receive overflow errors, this behavior is not the
default.

This is really really important for programs that use route(4) to keep
in sync with the system. If we loose a message then we need to reload
the full system state, otherwise the behaviour from that point is
undefined and can lead to chasing bogus bug reports.

Reviewed by:	philip (network), kbowling (transport), gbe (manpages)
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D26652
2021-07-28 09:35:09 -07:00
..
altq altq: Increase maximum number of CBQ and HFSC classes 2021-03-04 20:58:22 +01:00
route Fix panic when trying to delete non-existent gateway in multipath route. 2021-05-07 20:41:31 +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
bpf_zerocopy.c Change synchonization rules for vm_page reference counting. 2019-09-09 21:32:42 +00:00
bpf_zerocopy.h
bpf.c vlan: deduplicate bpf_setpcp() and pf_ieee8021q_setpcp() 2021-07-26 23:13:31 +02:00
bpf.h bpf: Add an ioctl to set the VLAN Priority on packets sent by bpf 2021-07-26 23:13:31 +02:00
bpfdesc.h bpf: Add an ioctl to set the VLAN Priority on packets sent by bpf 2021-07-26 23:13:31 +02:00
bridgestp.c bridgestp: validate timer values in config BPDU 2021-04-19 12:09:18 +02:00
bridgestp.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +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
debugnet.c Allow to specify debugnet fib in sysctl/tunable. 2021-04-10 13:47:49 +00:00
debugnet.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 2021-05-03 14:38:52 +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 Fix a typo in r349969 2019-07-14 03:49:48 +00:00
if_arp.h Improve ARP logging. 2019-03-09 01:12:59 +00:00
if_bridge.c bridge: Remove members when assigned to a new vnet 2021-02-23 13:54:07 +01:00
if_bridgevar.h bridge: fix STP roles and protos strings 2021-02-01 15:27:06 +01:00
if_clone.c Fix subinterface vlan creation. 2021-01-29 21:43:20 +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: Revert vnet/epair cleanup race mitigation 2020-12-01 16:34:43 +00:00
if_ethersubr.c kern: ether_gen_addr: randomize on default hostuuid, too 2021-06-01 22:59:21 -05:00
if_fwsubr.c if_firewire: fixing panic upon packet reception for VNET build 2021-04-13 22:59:58 +00:00
if_gif.c mbuf: add a way to mark flowid as calculated from the internal headers 2021-03-31 14:38:26 +03:00
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 Streamline the infiniband code according to the ethernet code. 2020-12-31 10:07:02 +01:00
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 This pulls over all the changes that are in the netflix 2021-01-28 11:53:05 -05:00
if_lagg.h Fix for IPoIB over lagg(4). 2020-12-29 17:35:06 +01:00
if_llatbl.c Fix setting static entries for arp/ndp. 2021-02-20 18:26:35 +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 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
if_pfsync.h pfsync: Expose PFSYNCF_OK flag to userspace 2021-04-26 14:31:17 +02:00
if_sppp.h
if_spppfr.c
if_spppsubr.c Split rtinit() into multiple functions. 2021-01-16 22:42:41 +00:00
if_stf.c net: Introduce IPV6_DSCP(), IPV6_ECN() and IPV6_TRAFFIC_CLASS() macros 2021-03-04 20:56:48 +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(4): Add TUNGIFNAME 2019-07-25 22:23:34 +00:00
if_tuntap.c tuntap: clean up cc --analyze 2021-07-21 19:14:43 -05:00
if_types.h base: remove if_wg(4) and associated utilities, manpage 2021-03-17 09:14:48 -05:00
if_var.h Enforce check for using the return result for ifa?_try_ref(). 2021-04-05 03:35:19 +01:00
if_vlan_var.h vlan: deduplicate bpf_setpcp() and pf_ieee8021q_setpcp() 2021-07-26 23:13:31 +02:00
if_vlan.c vlan: deduplicate bpf_setpcp() and pf_ieee8021q_setpcp() 2021-07-26 23:13:31 +02:00
if_vxlan.c Make LINT NOINET and NOIP kernel builds warning free. 2021-06-06 14:03:06 +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
if.c devctl: add RENAME devctl event for IFNET 2021-06-23 10:20:58 -06:00
if.h Use thunks for compat ioctls using struct ifgroupreq. 2021-05-05 13:59:00 -07:00
ifdi_if.m iflib: add support for admin completion queues 2021-03-03 00:40:47 +01:00
iflib_clone.c iflib: allow clone detach if not yet init 2021-03-09 13:49:13 -06:00
iflib_private.h - Replace unused and only ever written to members of public iflib(9) 2019-06-15 11:07:41 +00:00
iflib.c iflib: use m_gethdr_raw 2021-07-07 11:05:46 +00:00
iflib.h iflib: Add a new quirk 2021-06-24 13:00:56 +02:00
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 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_internal.h
netisr.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
netisr.h
netmap_legacy.h netmap: add kernel support for the "offsets" feature 2021-03-29 16:29:01 +00:00
netmap_user.h netmap: restore commit a56e6334d1 2021-04-02 10:45:47 +00:00
netmap_virt.h netmap: add kernel support for the "offsets" feature 2021-03-29 16:29:01 +00:00
netmap.h netmap: several typo fixes 2021-04-02 07:01:20 +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 pf: switch rule counters to pf_counter_u64 2021-07-25 10:22:17 +02:00
ppp_defs.h
radix.c Appease -Wsign-compare in radix.c 2021-04-10 13:48:25 +00:00
radix.h
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 2021-07-28 09:35:09 -07:00
rndis.h Hyper-V: hn: Enable vSwitch RSC support in hn netvsc driver 2021-03-12 04:35:16 +00:00
route.c devctl: add ADDR_ADD and ADDR_DEL devctl event for IFNET 2021-06-23 10:26:56 -06:00
route.h Re-enable network ioctls in capability mode 2021-04-23 09:22:49 -04:00
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 2021-07-23 10:47:13 -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 2021-02-11 16:12:29 +01:00
vnet.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00