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Chen Shen 2ebda02714 sctp: delete addr based on sin6_scope_id 
sctp_inet6addr_event deletes 'addr' from 'local_addr_list' when setting
netdev down, but it is possible to delete the incorrect entry (match
the first one with the same ipaddr, but the different 'ifindex'), if
there are some netdevs with the same 'local-link' ipaddr added already.
It should delete the entry depending on 'sin6_addr' and 'sin6_scope_id'
both. otherwise, the endpoint will call 'sctp_sf_ootb' if it can't find
the according association when receives 'heartbeat', and finally will
reply 'abort'.

For example:
1.when linux startup
the entries in local_addr_list:
ifindex:35 addr:fe80::40:43ff:fe80:0 (eths0.201)
ifindex:36 addr:fe80::40:43ff:fe80:0 (eths0.209)
ifindex:37 addr:fe80::40:43ff:fe80:0 (eths0.210)

the route table:
local fe80::40:43ff:fe80:0 dev eths0.201
local fe80::40:43ff:fe80:0 dev eths0.209
local fe80::40:43ff:fe80:0 dev eths0.210

2.after 'ifconfig eths0.209 down'
the entries in local_addr_list:
ifindex:36 addr:fe80::40:43ff:fe80:0 (eths0.209)
ifindex:37 addr:fe80::40:43ff:fe80:0 (eths0.210)

the route table:
local fe80::40:43ff:fe80:0 dev eths0.201
local fe80::40:43ff:fe80:0 dev eths0.210

3.asoc not found for src:[fe80::40:43ff:fe80:0]:37381 dst:[:1]:53335
::1->fe80::40:43ff:fe80:0 HEARTBEAT
fe80::40:43ff:fe80:0->::1 ABORT

Signed-off-by: Chen Shen <peterchenshen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-26 12:34:03 +01:00
arch arm64: dts: imx8mp: remove fallback compatible string for FlexCAN 2021-07-24 17:50:15 +02:00
block block-5.14-2021-07-08 2021-07-09 12:05:33 -07:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-07-09 11:00:44 -07:00
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-22 10:11:27 -07:00
drivers net: stmmac: add est_irq_status callback function for GMAC 4.10 and 5.10 2021-07-26 12:29:44 +01:00
fs AFS fixes 2021-07-21 11:51:59 -07:00
include sctp: send pmtu probe only if packet loss in Search Complete state 2021-07-25 23:06:02 +01:00
init Revert "mm/slub: use stackdepot to save stack trace in objects" 2021-07-17 13:27:00 -07:00
ipc Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-22 10:11:27 -07:00
lib lib/test_hmm: remove set but unused page variable 2021-07-15 10:13:49 -07:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm Revert "mm/slub: use stackdepot to save stack trace in objects" 2021-07-17 13:27:00 -07:00
net sctp: delete addr based on sin6_scope_id 2021-07-26 12:34:03 +01:00
samples Networking fixes for 5.14-rc2, including fixes from bpf and netfilter. 2021-07-14 09:24:32 -07:00
scripts Kbuild fixes for v5.14 2021-07-18 11:10:30 -07:00
security asm-generic/unaligned: Unify asm/unaligned.h around struct helper 2021-07-02 12:43:40 -07:00
sound ASoC: Mediatek: MT8183: Fix fall-through warning for Clang 2021-07-13 14:58:18 -05:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-22 10:11:27 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt * Allow again loading KVM on 32-bit non-PAE builds 2021-07-15 11:56:07 -07:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap m68k updates for v5.14 2021-06-28 14:01:03 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-22 10:11:27 -07:00
Makefile Linux 5.14-rc2 2021-07-18 14:13:49 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.