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freebsd-dev/sys/netinet
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Roy Marples 5c5340108e net: Allow binding of unspecified address without address existance 
Previously in_pcbbind_setup returned EADDRNOTAVAIL for empty
V_in_ifaddrhead (i.e., no IPv4 addresses configured) and in6_pcbbind
did the same for empty V_in6_ifaddrhead (no IPv6 addresses).

An equivalent test has existed since 4.4-Lite.  It was presumably done
to avoid extra work (assuming the address isn't going to be found
later).

In normal system operation *_ifaddrhead will not be empty: they will
at least have the loopback address(es).  In practice no work will be
avoided.

Further, this case caused net/dhcpd to fail when run early in boot
before assignment of any addresses.  It should be possible to bind the
unspecified address even if no addresses have been configured yet, so
just remove the tests.

The now-removed "XXX broken" comments were added in 59562606b9,
which converted the ifaddr lists to TAILQs.  As far as I (emaste) can
tell the brokenness is the issue described above, not some aspect of
the TAILQ conversion.

PR:		253166
Reviewed by:	ae, bz, donner, emaste, glebius
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D32563
2021-10-20 19:25:51 -04:00
..
cc tcp: fix two bugs in new reno 2021-06-11 15:40:34 +02:00
khelp
libalias Fix fragmented UDP packets handling since rev.360967. 2021-10-15 16:48:12 -07:00
netdump netdump: send key before dump, in case dump fails 2021-08-11 10:54:56 -05:00
tcp_stacks tcp: Make dsack stats available in netstat and also make sure its aware of TLP's. 2021-10-01 10:36:27 -04:00
accf_data.c Define a module version for accept filter modules. 2020-05-19 18:35:08 +00:00
accf_dns.c Define a module version for accept filter modules. 2020-05-19 18:35:08 +00:00
accf_http.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
dccp.h Add header definition for RFC4340, Datagram Congestion Control Protocol 2020-06-17 13:27:13 +00:00
icmp6.h icmp6: Count packets dropped due to an invalid hop limit 2020-10-19 17:07:19 +00:00
icmp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_ether.c Remove in_ifaddr_lock acquisiton to access in_ifaddrhead. 2021-10-13 10:04:46 -07:00
if_ether.h
igmp_var.h igmp: convert igmpstat to use PCPU counters 2020-11-08 18:49:23 +00:00
igmp.c Remove in_ifaddr_lock acquisiton to access in_ifaddrhead. 2021-10-13 10:04:46 -07:00
igmp.h
in_cksum.c
in_debug.c
in_fib_algo.c Fix IPv4 fib bsearch4() lookup array construction. 2021-01-17 20:32:26 +00:00
in_fib_dxr.c [fib_algo][dxr] Retire counters which are no longer used 2021-10-09 13:47:10 +02:00
in_fib.c Fix some common typos in comments 2021-08-08 10:16:06 +02:00
in_fib.h Refactor fib4/fib6 functions. 2020-11-29 13:41:49 +00:00
in_gif.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
in_jail.c
in_kdtrace.c Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
in_kdtrace.h Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
in_mcast.c in_mcast: garbage collect inp_gcmoptions() 2021-10-18 11:36:07 -07:00
in_pcb_var.h Add in_pcb_var.h for KPIs that are private to in_pcb.c and in6_pcb.c. 2021-10-18 10:19:57 -07:00
in_pcb.c net: Allow binding of unspecified address without address existance 2021-10-20 19:25:51 -04:00
in_pcb.h Add in_pcb_var.h for KPIs that are private to in_pcb.c and in6_pcb.c. 2021-10-18 10:19:57 -07:00
in_pcbgroup.c inet(3): Fix a few common typos in source code comments 2021-08-28 18:53:02 +02:00
in_prot.c
in_proto.c capsicum: Limit socket operations in capability mode 2021-04-07 14:32:56 -04:00
in_rmx.c Refactor rib iterator functions. 2020-11-22 20:21:10 +00:00
in_rss.c Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_rss.h Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_systm.h
in_var.h Remove in_ifaddr_lock acquisiton to access in_ifaddrhead. 2021-10-13 10:04:46 -07:00
in.c Remove in_ifaddr_lock acquisiton to access in_ifaddrhead. 2021-10-13 10:04:46 -07:00
in.h routing: fix source address selection rules for IPv4 over IPv6. 2021-09-07 21:41:05 +00:00
ip6.h net: Introduce IPV6_DSCP(), IPV6_ECN() and IPV6_TRAFFIC_CLASS() macros 2021-03-04 20:56:48 +01:00
ip_carp.c Further refactor IPv4 interface route creation. 2021-01-21 21:48:49 +00:00
ip_carp.h carp: replace caddr_t with char * 2019-12-06 16:35:48 +00:00
ip_divert.c socket: Implement SO_RERROR 2021-07-28 09:35:09 -07:00
ip_divert.h
ip_dummynet.h ipfw: use unsigned int for dummynet bandwidth 2021-08-19 10:48:53 +02:00
ip_ecn.c
ip_ecn.h
ip_encap.c Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
ip_encap.h
ip_fastfwd.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-08-22 22:56:08 +00:00
ip_fw.h Allow setting alias port ranges in libalias and ipfw. This will allow a system 2021-02-02 13:24:17 -08:00
ip_gre.c Introduce NET_EPOCH_CALL() macro and use it everywhere where we free 2020-01-15 06:05:20 +00:00
ip_icmp.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_icmp.h
ip_id.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
ip_input.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-08-22 22:56:08 +00:00
ip_mroute.c mroute: fix locking issues 2021-08-13 11:06:17 +02:00
ip_mroute.h ip_mroute: rework ip_mroute 2021-05-31 05:48:15 +02:00
ip_options.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_options.h
ip_output.c Remove in_ifaddr_lock acquisiton to access in_ifaddrhead. 2021-10-13 10:04:46 -07:00
ip_reass.c ip_reass: do less work in ipreass_slowtimo if possible 2021-08-14 18:50:12 +02:00
ip_var.h An earlier commit effectively turned out the fast forwading path 2020-11-12 21:58:47 +00:00
ip.h
pim_var.h
pim.h
raw_ip.c Remove in_ifaddr_lock acquisiton to access in_ifaddrhead. 2021-10-13 10:04:46 -07:00
sctp_asconf.c sctp: cleanup, no functional change intended 2021-09-15 10:18:11 +02:00
sctp_asconf.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_auth.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_auth.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_bsd_addr.c Don't pass RFPROC to kproc_create(), it is redundant. 2021-03-12 09:48:10 -08:00
sctp_bsd_addr.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_cc_functions.c sctp: remove some set, but unused variables 2021-08-09 15:58:46 +02:00
sctp_constants.h sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_crc32.c No need to include netinet/sctp_crc32.h twice. 2020-06-22 14:36:14 +00:00
sctp_crc32.h Add the SCTP_SUPPORT kernel option. 2020-06-18 19:32:34 +00:00
sctp_header.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_indata.c sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_indata.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_input.c sctp: Fix a typo in a comment 2021-09-26 15:15:39 +02:00
sctp_input.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_kdtrace.c Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
sctp_kdtrace.h Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
sctp_lock_bsd.h sctp: Simplify stream scheduler usage 2021-09-21 17:13:57 +02:00
sctp_module.c Provide support for building SCTP as a loadable module. 2020-07-10 14:56:05 +00:00
sctp_os_bsd.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_os.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_output.c sctp: fix usage of stream scheduler functions 2021-09-28 05:25:58 +02:00
sctp_output.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_pcb.c sctp: Simplify stream scheduler usage 2021-09-21 17:13:57 +02:00
sctp_pcb.h sctp: Tighten up locking around sctp_aloc_assoc() 2021-09-11 10:15:21 -04:00
sctp_peeloff.c sctp: Remove an unused sctp_inpcb field 2021-09-07 11:19:29 -04:00
sctp_peeloff.h
sctp_ss_functions.c sctp: improve KASSERT messages 2021-10-08 11:33:56 +02:00
sctp_structs.h sctp: Cleanup stream schedulers. 2021-09-23 14:16:56 +02:00
sctp_syscalls.c Convert remaining cap_rights_init users to cap_rights_init_one 2021-01-12 13:16:10 +00:00
sctp_sysctl.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_sysctl.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_timer.c sctp: avoid locking an already locked mutex 2021-09-28 05:17:03 +02:00
sctp_timer.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_uio.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_usrreq.c sctp: Cleanup stream schedulers. 2021-09-23 14:16:56 +02:00
sctp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctputil.c sctp: Simplify stream scheduler usage 2021-09-21 17:13:57 +02:00
sctputil.h sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
siftr.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_accounting.h This brings into sync FreeBSD with the netflix versions of rack and bbr. 2021-05-06 11:22:26 -04:00
tcp_debug.c
tcp_debug.h
tcp_fastopen.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_fastopen.h
tcp_fsm.h tcp: Remove unused v6 state definitions 2021-08-27 08:31:32 -04:00
tcp_hostcache.c tcp_hostcache: use SMR for lookups, mutex(9) for updates. 2021-04-20 10:02:20 -07:00
tcp_hpts.c tcp: Fix 32 bit platform breakage 2021-07-08 08:16:45 -04:00
tcp_hpts.h tcp: HPTS performance enhancements 2021-07-07 07:22:35 -04:00
tcp_input.c tcp: Add PRR cwnd reduction for non-SACK loss 2021-06-19 19:25:22 +02:00
tcp_log_buf.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_log_buf.h tcp: Add support for DSACK based reordering window to rack. 2021-08-17 16:29:22 -04:00
tcp_lro.c tcp: make network epoch expectations of LRO explicit 2021-08-25 17:12:36 +02:00
tcp_lro.h Update the TCP LRO code to handle both encrypted and un-encrypted traffic. 2021-08-06 11:28:44 +02:00
tcp_offload.c Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_offload.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_output.c tcp: Preparation for allowing hardware TLS to be able to kick a tcp connection that is retransmitting too much out of hardware and back to software. 2021-06-25 09:30:54 -04:00
tcp_pcap.c Step 4.2: start divorce of M_EXT and M_EXTPG 2020-05-03 00:37:16 +00:00
tcp_pcap.h
tcp_ratelimit.c Add a switch structure for send tags. 2021-09-14 11:43:41 -07:00
tcp_ratelimit.h This takes Warners suggested approach to making it so that 2021-05-07 17:32:32 -04:00
tcp_reass.c tcp: A better fix for the previously attempted fix of the ack-war issue with tcp. 2021-06-04 05:26:43 -04:00
tcp_sack.c tcp: Make dsack stats available in netstat and also make sure its aware of TLP's. 2021-10-01 10:36:27 -04:00
tcp_seq.h
tcp_stats.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
tcp_subr.c tcp: Make dsack stats available in netstat and also make sure its aware of TLP's. 2021-10-01 10:36:27 -04:00
tcp_syncache.c Unbreak TFO, that was broken with 8d5719aa74. These two assignments 2021-06-22 16:03:44 -07:00
tcp_syncache.h tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_timer.c Improve the TCP blackhole detection. The principle is to reduce the 2020-04-14 16:35:05 +00:00
tcp_timer.h kern: net: remove TCP_LINGERTIME 2021-02-18 22:36:01 -06:00
tcp_timewait.c tcp_twcheck(): use correct unlock macro. 2021-05-06 10:19:21 -07:00
tcp_usrreq.c ktls: Fix error/mode confusion in TCP_*TLS_MODE getsockopt handlers 2021-09-17 14:19:05 -04:00
tcp_var.h tcp: Make dsack stats available in netstat and also make sure its aware of TLP's. 2021-10-01 10:36:27 -04:00
tcp.h tcp: Add support for DSACK based reordering window to rack. 2021-08-17 16:29:22 -04:00
tcpip.h
toecore.c routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-08-22 22:56:08 +00:00
toecore.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
udp_usrreq.c tcp, udp: improve input validation in handling bind() 2021-08-05 13:48:44 +02:00
udp_var.h Add a knob to allow zero UDP checksums for UDP/IPv6 traffic on the given UDP port. 2020-09-18 02:21:15 +00:00
udp.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00
udplite.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00