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* RDS/IW+IB: Allow max credit advertise window.Steve Wise2009-04-091-1/+1
| | | | | | | | Fix hack that restricts the credit advertisement to 127. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDS: Use spinlock to protect 64b value update on 32b archsAndy Grover2009-04-021-2/+35
| | | | | | | | | | | | | | | We have a 64bit value that needs to be set atomically. This is easy and quick on all 64bit archs, and can also be done on x86/32 with set_64bit() (uses cmpxchg8b). However other 32b archs don't have this. I actually changed this to the current state in preparation for mainline because the old way (using a spinlock on 32b) resulted in unsightly #ifdefs in the code. But obviously, being correct takes precedence. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDS/IB: Receive datagrams via IBAndy Grover2009-02-261-0/+869
Header parsing, ring refill. It puts the incoming data into an rds_incoming struct, which is passed up to rds-core. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>