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freebsd-nq/sys/netgraph
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Robert Watson a152f8a361 Change semantics of socket close and detach. Add a new protocol switch 
function, pru_close, to notify protocols that the file descriptor or
other consumer of a socket is closing the socket.  pru_abort is now a
notification of close also, and no longer detaches.  pru_detach is no
longer used to notify of close, and will be called during socket
tear-down by sofree() when all references to a socket evaporate after
an earlier call to abort or close the socket.  This means detach is now
an unconditional teardown of a socket, whereas previously sockets could
persist after detach of the protocol retained a reference.

This faciliates sharing mutexes between layers of the network stack as
the mutex is required during the checking and removal of references at
the head of sofree().  With this change, pru_detach can now assume that
the mutex will no longer be required by the socket layer after
completion, whereas before this was not necessarily true.

Reviewed by:	gnn
2006-07-21 17:11:15 +00:00
..
atm Replace the array initialization using the gcc-specific format 2006-06-02 09:08:51 +00:00
bluetooth Change semantics of socket close and detach. Add a new protocol switch 2006-07-21 17:11:15 +00:00
netflow o Replace disappeared URLs to Cisco docs by new ones, style. 2006-04-25 20:01:50 +00:00
netgraph.h Use NET_CALLOUT_MPSAFE for netgraph callout initializer. 2006-06-06 08:05:27 +00:00
ng_async.c /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_async.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_atmllc.c /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_atmllc.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_base.c When counting nodes second time, use the same criteria as for 2006-06-07 12:42:15 +00:00
ng_bpf.c Fix build without BPF_JITTER option. 2005-12-07 21:41:45 +00:00
ng_bpf.h Fix typo in a comment. 2005-02-12 18:10:26 +00:00
ng_bridge.c In revision 1.29 timeout() was converted to ng_callout(). 2005-02-09 15:14:44 +00:00
ng_bridge.h Use variable-sized arrays where appropriate. 2005-10-28 14:41:28 +00:00
ng_cisco.c NG_MKRESPONSE() macro includes sizeof struct ng_mesg when doing allocation. 2005-04-13 14:03:28 +00:00
ng_cisco.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_device.c Change m_uiotombuf so it will accept offset at which data should be copied 2005-05-04 18:55:03 +00:00
ng_device.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_echo.c - Return error, if there was one. 2005-04-15 10:14:00 +00:00
ng_echo.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_eiface.c Don't count output bytes twice (the byte accouting is done 2006-02-11 20:25:00 +00:00
ng_eiface.h Added ASCII version of the NGM_EIFACE_GET_IFNAME message, "getifname". 2005-02-03 11:52:42 +00:00
ng_etf.c Remove ng_connect_t where it is unused. Probably it remained from ng_source.c. 2005-03-14 20:49:48 +00:00
ng_etf.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_ether.c Do not force queueing on peer hooks. This was important only for 2006-01-12 21:09:12 +00:00
ng_ether.h Add new netgraph control message NGM_ETHER_DETACH, which actually 2005-02-14 12:01:09 +00:00
ng_fec.c - Store pointer to the link-level address right in "struct ifnet" 2005-11-11 16:04:59 +00:00
ng_fec.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_frame_relay.c Initialize variable. 2006-01-14 21:49:31 +00:00
ng_frame_relay.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_gif_demux.c /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_gif_demux.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_gif.c Stop embedding struct ifnet at the top of driver softcs. Instead the 2005-06-10 16:49:24 +00:00
ng_gif.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_hole.c Fix memory leak. 2005-12-09 07:09:44 +00:00
ng_hole.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_hub.c
ng_hub.h
ng_iface.c add missed calls to bpf_peers_present 2006-06-02 23:14:40 +00:00
ng_iface.h Bump cookie value to reflect change in NGM_IFACE_GET_IFNAME semantics. 2005-02-13 16:36:41 +00:00
ng_ip_input.c /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_ip_input.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_ipfw.c Unbreak this. 2006-02-14 15:22:24 +00:00
ng_ipfw.h Remove unused now field. 2006-02-17 09:42:49 +00:00
ng_ksocket.c Clear csum_flags after reading data from socket buffer. Otherwise, 2006-02-21 13:04:39 +00:00
ng_ksocket.h Use variable-sized arrays where appropriate. 2005-10-28 14:41:28 +00:00
ng_l2tp.c Use the ISO standard function variable vs. a GCC'ism. 2005-08-10 06:25:41 +00:00
ng_l2tp.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_lmi.c Remove dead code. 2006-01-14 14:17:27 +00:00
ng_lmi.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_message.h In the splnet(9) times netgraph(4) was synchronous and if a message 2006-01-12 19:14:40 +00:00
ng_mppc.c In preparation for making the modules actually use opt_*.h files 2005-10-14 23:17:45 +00:00
ng_mppc.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_nat.c - After LibAlias processing check for TCP packet with th_x2 field 2005-06-27 07:39:13 +00:00
ng_nat.h ng_nat - a netgraph(4) node, which does NAT 2005-05-05 23:41:21 +00:00
ng_one2many.c Fix getting stats from many links with index > 0. 2005-03-11 10:29:38 +00:00
ng_one2many.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_parse.c Fix two accesses to uninitialized variables that a revision 1.27 2006-01-18 16:09:00 +00:00
ng_parse.h Use variable-sized arrays where appropriate. 2005-10-28 14:41:28 +00:00
ng_ppp.c Refactor places where ng_package_data() failed. 2005-05-16 19:12:57 +00:00
ng_ppp.h Fix incorrect comment. 2005-02-10 02:43:26 +00:00
ng_pppoe.c o Introduce D-Link compat mode, that is default to off and can be set 2006-01-27 10:56:22 +00:00
ng_pppoe.h o Introduce D-Link compat mode, that is default to off and can be set 2006-01-27 10:56:22 +00:00
ng_pptpgre.c Rework locking, that I have introduced recently, since it was incorrect: 2005-09-08 14:26:23 +00:00
ng_pptpgre.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_rfc1490.c /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_rfc1490.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_sample.c Whitespace. 2005-02-06 19:24:59 +00:00
ng_sample.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_socket.c Change semantics of socket close and detach. Add a new protocol switch 2006-07-21 17:11:15 +00:00
ng_socket.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_socketvar.h In the splnet times, netgraph was functional and synchronous. Nowadays, 2005-07-05 17:35:20 +00:00
ng_source.c Simplify ng_source_send() removing temporary queue and merging two 2006-01-23 10:28:04 +00:00
ng_source.h Implement an upper limit for packets per second sent by node. 2005-12-23 19:14:38 +00:00
ng_split.c Plug item leak in case when not all hooks are connected. 2005-08-29 13:47:08 +00:00
ng_split.h Make the cookie constant name canonical. 2005-10-25 20:56:12 +00:00
ng_sppp.c Fix module from panic. 2006-01-29 22:06:51 +00:00
ng_sppp.h Parse "getifname" using the standard parse string type. 2005-02-03 13:03:31 +00:00
ng_tag.c A netgraph node that can do different manipulations with 2006-06-27 12:45:28 +00:00
ng_tag.h A netgraph node that can do different manipulations with 2006-06-27 12:45:28 +00:00
ng_tcpmss.c Free private data when deleting hook. 2006-03-15 15:41:36 +00:00
ng_tcpmss.h Add ng_tcpmss node, which alters MSS options of TCP packets. Useful to 2005-06-10 08:02:34 +00:00
ng_tee.c Update statistics only in case if delivery was successfull. 2005-06-07 12:22:13 +00:00
ng_tee.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_tty.c Use new (inline) functions for calls into driver. 2005-10-16 20:44:18 +00:00
ng_tty.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_UI.c /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_UI.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_vjc.c Use __LP64__ to check for the 64-bit pointer type, and fix -Wundef. 2005-12-04 00:25:03 +00:00
ng_vjc.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_vlan.c When netgraph flow control message comes from downstream, broadcast 2005-04-20 14:19:20 +00:00
ng_vlan.h Use variable-sized arrays where appropriate. 2005-10-28 14:41:28 +00:00
NOTES