linux-dev - Linux kernel development work

Age	Commit message (Collapse)	Author	Files	Lines
2013-08-13	RDMA/cxgb4: Handle newer firmware changes	Steve Wise	1	-10/+0
	Move QP to TERMINATE instead to allow the peer to get the TERM message. This bug wasn't detectable until newer FW that moves connections out of RDMA mode as soon as an error is detected. QP can exit RTS before the last AE arrives. This was introduced by changes in the FW to kick connections out of RDMA mode as soon as an error is detected. A side effect of this is that the driver can move the QP out of RTS before the AE causing the connection to get kicked out of RDMA mode is processed. Fix for this is to always post async errors even if the QP is out of RTS. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-02-14	RDMA/cxgb4: Always log async errors	Vipul Pandya	1	-3/+5
	Log AEs even if the QP isn't in RTS. It is useful information. Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-18	RDMA/cxgb4: Disable interrupts in c4iw_ev_dispatch()	Vipul Pandya	1	-4/+4
	Use GFP_ATOMIC in _insert_handle() if ints are disabled. Don't panic if we get an abort with no endpoint found. Just log a warning. Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-10-31	RDMA/cxgb4: Serialize calls to CQ's comp_handler	Kumar Sanghvi	1	-2/+8
	Commit 01e7da6ba53c ("RDMA/cxgb4: Make sure flush CQ entries are collected on connection close") introduced a potential problem where a CQ's comp_handler can get called simultaneously from different places in the iw_cxgb4 driver. This does not comply with Documentation/infiniband/core_locking.txt, which states that at a given point of time, there should be only one callback per CQ should be active. This problem was reported by Parav Pandit <Parav.Pandit@Emulex.Com>. Based on discussion between Parav Pandit and Steve Wise, this patch fixes the above problem by serializing the calls to a CQ's comp_handler using a spin_lock. Reported-by: Parav Pandit <Parav.Pandit@Emulex.Com> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Acked-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2010-09-28	RDMA/cxgb4: Handle CPL_RDMA_TERMINATE messages	Steve Wise	1	-1/+1
	T4 FW sends up CPL_RDMA_TERMINATE to indicate a peer TERM. This triggers the QP moving to TERMINATE state. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-05-05	MAINTAINERS: Add cxgb4 and iw_cxgb4 entries	Roland Dreier	1	-3/+3
	Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-04-21	RDMA/cxgb4: Add driver for Chelsio T4 RNIC	Steve Wise	1	-0/+193
	Add an RDMA/iWARP driver for Chelsio T4 Ethernet adapters. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>