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Jon Paul Maloy c82910e2a8 tipc: clean up neigbor discovery message reception 
The function tipc_disc_rcv(), which is handling received neighbor
discovery messages, is perceived as messy, and it is hard to verify
its correctness by code inspection. The fact that the task it is set
to resolve is fairly complex does not make the situation better.

In this commit we try to take a more systematic approach to the
problem. We define a decision machine which takes three state flags
 as input, and produces three action flags as output. We then walk
through all permutations of the state flags, and for each of them we
describe verbally what is going on, plus that we set zero or more of
the action flags. The action flags indicate what should be done once
the decision machine has finished its job, while the last part of the
function deals with performing those actions.

Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2014-05-14 15:19:48 -04:00
..
Kconfig tipc: add InfiniBand media type 2013-04-17 14:18:33 -04:00
Makefile tipc: purge signal handler infrastructure 2014-05-05 17:26:45 -04:00
addr.c tipc: compress out gratuitous extra carriage returns 2012-04-30 15:53:56 -04:00
addr.h tipc: explicitly include core.h in addr.h 2014-02-13 17:49:13 -05:00
bcast.c tipc: rename and move message reassembly function 2014-05-14 15:19:48 -04:00
bcast.h tipc: avoid to asynchronously reset all links 2014-05-05 17:26:45 -04:00
bearer.c tipc: improve and extend media address conversion functions 2014-05-14 15:19:48 -04:00
bearer.h tipc: improve and extend media address conversion functions 2014-05-14 15:19:48 -04:00
config.c tipc: convert allocations of global variables associated with bclink 2014-05-05 17:26:45 -04:00
config.h tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
core.c tipc: decrease connection flow control window 2014-05-14 15:19:47 -04:00
core.h tipc: improve and extend media address conversion functions 2014-05-14 15:19:48 -04:00
discover.c tipc: clean up neigbor discovery message reception 2014-05-14 15:19:48 -04:00
discover.h tipc: fix race in disc create/delete 2014-04-22 21:17:53 -04:00
eth_media.c tipc: improve and extend media address conversion functions 2014-05-14 15:19:48 -04:00
ib_media.c tipc: improve and extend media address conversion functions 2014-05-14 15:19:48 -04:00
link.c tipc: rename and move message reassembly function 2014-05-14 15:19:48 -04:00
link.h tipc: rename and move message reassembly function 2014-05-14 15:19:48 -04:00
log.c tipc: remove print_buf and deprecated log buffer code 2012-07-13 19:34:43 -04:00
msg.c tipc: rename and move message reassembly function 2014-05-14 15:19:48 -04:00
msg.h tipc: rename and move message reassembly function 2014-05-14 15:19:48 -04:00
name_distr.c tipc: avoid to asynchronously deliver name tables to peer node 2014-05-05 17:26:44 -04:00
name_distr.h tipc: avoid to asynchronously deliver name tables to peer node 2014-05-05 17:26:44 -04:00
name_table.c tipc: fix memory leak of publications 2014-04-30 13:31:26 -04:00
name_table.h tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
net.c tipc: convert allocations of global variables associated with bclink 2014-05-05 17:26:45 -04:00
net.h tipc: convert allocations of global variables associated with bclink 2014-05-05 17:26:45 -04:00
netlink.c net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
node.c tipc: rename and move message reassembly function 2014-05-14 15:19:48 -04:00
node.h tipc: rename and move message reassembly function 2014-05-14 15:19:48 -04:00
node_subscr.c tipc: avoid to asynchronously notify subscriptions 2014-05-05 17:26:44 -04:00
node_subscr.h tipc: avoid to asynchronously notify subscriptions 2014-05-05 17:26:44 -04:00
port.c tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
port.h tipc: decrease connection flow control window 2014-05-14 15:19:47 -04:00
ref.c tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
ref.h tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
server.c net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
server.h tipc: remove all enabled flags from all tipc components 2014-02-22 00:00:15 -05:00
socket.c tipc: compensate for double accounting in socket rcv buffer 2014-05-14 15:19:47 -04:00
socket.h tipc: compensate for double accounting in socket rcv buffer 2014-05-14 15:19:47 -04:00
subscr.c tipc: fix spinlock recursion bug for failed subscriptions 2014-03-24 15:36:56 -04:00
subscr.h tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
sysctl.c tipc: change socket buffer overflow control to respect sk_rcvbuf 2013-06-17 15:53:00 -07:00