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Phonet: fix flawed "SYN/ACK" logic

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* Do not fail if the peer supports more or less than 3 algorithms.
 * Ignore unknown congestion control algorithms instead of failing.
 * Simplify congestion algorithm negotiation (largest is best).
 * Do not use a static buffer.
 * Fix off-by-two read overflow.
 * Avoid extra memory copy (in addition to skb_copy_bits()).

The previous code really made no sense.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont
2011-02-24 23:15:01 +00:00
committed by David S. Miller
parent 0165d69bcb
commit 8f44fcc72a
2 changed files with 47 additions and 77 deletions
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include/net/phonet/pep.h
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@@ -154,6 +154,7 @@ enum {
PN_LEGACY_FLOW_CONTROL,
PN_ONE_CREDIT_FLOW_CONTROL,
PN_MULTI_CREDIT_FLOW_CONTROL,
PN_MAX_FLOW_CONTROL,
};
#define pn_flow_safe(fc) ((fc) >> 1)