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d88dca79d3
Remove htohl implementation from tipc I was working on forward porting the downstream commits for TIPC and ran accross this one: http://tipc.cslab.ericsson.net/cgi-bin/gitweb.cgi?p=people/allan/tipc.git;a=commitdiff;h=894279b9437b63cbb02405ad5b8e033b51e4e31e I was going to just take it, when I looked closer and noted what it was doing. This is basically a routine to byte swap fields of data in sent/received packets for tipc, dependent upon the receivers guessed endianness of the peer when a connection is established. Asside from just seeming silly to me, it appears to violate the latest RFC draft for tipc: http://tipc.sourceforge.net/doc/draft-spec-tipc-02.txt Which, according to section 4.2 and 4.3.3, requires that all fields of all commands be sent in network byte order. So instead of just taking this patch, instead I'm removing the htohl function and replacing the calls with calls to ntohl in the rx path and htonl in the send path. As part of this fix, I'm also changing the subscr_cancel function, which searches the list of subscribers, using a memcmp of the entire subscriber list, for the entry to tear down. unfortunately it memcmps the entire tipc_subscr structure which has several bits that are private to the local side, so nothing will ever match. section 5.2 of the draft spec indicates the <type,upper,lower> tuple should uniquely identify a subscriber, so convert subscr_cancel to just match on those fields (properly endian swapped). I've tested this using the tipc test suite, and its passed without issue. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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