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freebsd-dev/sys/netgraph
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Bruce M Simpson ec002fee99 Implement reference counting for ifmultiaddr, in_multi, and in6_multi 
structures. Detect when ifnet instances are detached from the network
stack and perform appropriate cleanup to prevent memory leaks.

This has been implemented in such a way as to be backwards ABI compatible.
Kernel consumers are changed to use if_delmulti_ifma(); in_delmulti()
is unable to detect interface removal by design, as it performs searches
on structures which are removed with the interface.

With this architectural change, the panics FreeBSD users have experienced
with carp and pfsync should be resolved.

Obtained from:	p4 branch bms_netdev
Reviewed by:	andre
Sponsored by:	Garance A Drosehn
Idea from:	NetBSD
MFC after:	1 month
2007-03-20 00:36:10 +00:00
..
atm Don't use data after free. 2006-09-30 12:37:43 +00:00
bluetooth o break newbus api: add a new argument of type driver_filter_t to 2007-02-23 12:19:07 +00:00
netflow Recognize 802.1q frames in Ethernet input and process them. 2006-10-11 15:27:13 +00:00
netgraph.h - ng_address_ID() has already freed the message, don't do double free. 2006-10-17 10:59:39 +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 Prefer more traditional spellings of some words in comments. 2007-03-18 16:49:50 +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_deflate.c Whitespace cleanup. 2007-01-15 05:55:56 +00:00
ng_deflate.h A node that implements the Deflate sub-protocols of the Compression Control 2006-12-28 15:44:05 +00:00
ng_device.c Rename m_getm() to m_getm2() and rewrite it to allocate up to page sized 2006-11-02 17:37:22 +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 ng_send_fn() can return with an error, the function of interest 2007-03-08 21:10:53 +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 Implement reference counting for ifmultiaddr, in_multi, and in6_multi 2007-03-20 00:36:10 +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 Fix input byte counting. Now the sum of the ipackets/ibytes counters 2006-09-15 20:17:45 +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 Having moved metadata usage to mbuf tags, remove code that supports 2004-06-26 22:24:16 +00:00
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 In the output path, mask off M_BCAST|M_MCAST so as to prevent incorrect 2007-02-09 12:35:29 +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 Make ng_ID_t fixed size, so that its maximum value is platform independent. 2006-10-17 11:01:20 +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 Return value PKT_ALIAS_FOUND_HEADER_FRAGMENT isn't an error case. The 2006-12-21 10:26:01 +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 - Create ng_ppp_bypass() function, that prepares a packet 2007-01-25 21:16:50 +00:00
ng_ppp.h Before this commit, if the compression is enabled the, ng_ppp(4) 2006-12-28 13:21:54 +00:00
ng_pppoe.c Some perfectionizm against last revision. 2006-08-10 11:07:11 +00:00
ng_pppoe.h Fix ng_pppoe(4) after turning off "autosrc feature" on ng_ether(4). 2006-08-09 09:56:58 +00:00
ng_pptpgre.c Quoting Alexander: 2007-02-02 09:45:23 +00:00
ng_pptpgre.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ng_pred1.c Whitespace cleanup. 2007-01-15 05:55:56 +00:00
ng_pred1.h A node that implements Predictor-1 compression for PPP. 2006-12-29 09:54:32 +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 Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
ng_socket.h Make the sg_len and sg_family members of the sockaddr_ng the same type 2006-10-17 11:03:55 +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 Ensure message passed to "settimestamp" and "setcounter" is the right 2007-03-02 14:36:19 +00:00
ng_source.h Add "setcounter" and "getcounter" messages, providing the the ability 2007-03-02 01:44:04 +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 Various bpf(4) related fixes to catch places up to the new bpf(4) 2006-12-29 13:59:50 +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 Update ip and tcp pointers after m_pullup(). 2007-01-15 05:01:31 +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 Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +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 Move ethernet VLAN tags from mtags to its own mbuf packet header field 2006-09-17 13:33:30 +00:00
ng_vlan.h Use variable-sized arrays where appropriate. 2005-10-28 14:41:28 +00:00
NOTES