- 08 9月, 2012 1 次提交
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由 Wei Yongjun 提交于
spatch with a semantic match is used to found this. (http://coccinelle.lip6.fr/) Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 09 7月, 2012 1 次提交
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由 Roland Dreier 提交于
sparse correctly warns that if mpa->private_data_size is __be16, then doing += on it is wrong, even if we do += htons(<something>) -- on a little endian system, carries will go the wrong way. Fix this up by doing the addition in native byte order. Acked-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 04 6月, 2012 1 次提交
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When using rping -c -a 0.0.0.0 with iw_cxgb4, the system crashes when rdma_connect() is called. ip_dev_find() will return NULL, but pdev is accessed anyway. Checking that pdev is NULL and returning -ENODEV prevents the system from crashing. Signed-off-by: NThadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Acked-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 19 5月, 2012 2 次提交
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由 Vipul Pandya 提交于
This allows dumping thousands of QPs. Log active open failures of interest. Signed-off-by: NVipul Pandya <vipul@chelsio.com> Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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由 Vipul Pandya 提交于
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: NVipul Pandya <vipul@chelsio.com> Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 16 5月, 2012 2 次提交
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由 Steve Wise 提交于
Log a warning and drop the abort message. Otherwise we will do a bogus wake_up() and crash. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Cc: <stable@vger.kernel.org> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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由 Steve Wise 提交于
This fixes a race where an ingress abort fails to wake up the thread blocked in rdma_init() causing the app to hang. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Cc: <stable@vger.kernel.org> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 09 5月, 2012 1 次提交
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由 Steve Wise 提交于
Function import_ep() is incorrectly using ep->dst instead of the dst ptr passed in. This causes a crash when accepting new rdma connections becase ep->dst is not initialized yet. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Cc: <stable@vger.kernel.org> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 26 2月, 2012 1 次提交
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由 Kumar Sanghvi 提交于
Don't worry about p2p_type if peer2peer itself is not requested in the first place. Signed-off-by: NKumar Sanghvi <kumaras@chelsio.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 26 1月, 2012 1 次提交
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由 David Miller 提交于
Now we must provide the IP destination address, and a reference has to be dropped when we're done with the entry. Signed-off-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 06 12月, 2011 2 次提交
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由 David Miller 提交于
Three pieces of code do the same thing, create a l2t entry and then import this information into the c4iw_ep object. Create a helper function and call it from these 3 locations instead. Signed-off-by: NDavid S. Miller <davem@davemloft.net> Acked-by: NRoland Dreier <roland@purestorage.com>
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由 David Miller 提交于
To reflect the fact that a refrence is not obtained to the resulting neighbour entry. Signed-off-by: NDavid S. Miller <davem@davemloft.net> Acked-by: NRoland Dreier <roland@purestorage.com>
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- 30 11月, 2011 1 次提交
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由 Eric Dumazet 提交于
Commit f2c31e32 ("net: fix NULL dereferences in check_peer_redir()") forgot to take care of infiniband uses of dst neighbours. Many thanks to Marc Aurele who provided a nice bug report and feedback. Reported-by: NMarc Aurele La France <tsi@ualberta.ca> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Cc: David Miller <davem@davemloft.net> Cc: <stable@kernel.org> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 29 11月, 2011 1 次提交
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由 Kumar Sanghvi 提交于
Fix logic so that we don't retry with MPAv1 once we have done that already. Otherwise, we end up retrying with MPAv1 even when its not needed on getting peer aborts - and this could lead to kernel panic. Signed-off-by: NKumar Sanghvi <kumaras@chelsio.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 07 10月, 2011 1 次提交
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由 Kumar Sanghvi 提交于
This patch adds support for Enhanced RDMA Connection Establishment (draft-ietf-storm-mpa-peer-connect-06), aka MPAv2. Details of draft can be obtained from: <http://www.ietf.org/id/draft-ietf-storm-mpa-peer-connect-06.txt> The patch updates the following functions for initiator perspective: - send_mpa_request - process_mpa_reply - post_terminate for TERM error codes - destroy_qp for TERM related change - adds layer/etype/ecode to c4iw_qp_attrs for sending with TERM - peer_abort for retrying connection attempt with MPA_v1 message - added c4iw_reconnect function The patch updates the following functions for responder perspective: - process_mpa_request - send_mpa_reply - c4iw_accept_cr - passes ird/ord to upper layers Signed-off-by: NKumar Sanghvi <kumaras@chelsio.com> Reviewed-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 18 7月, 2011 1 次提交
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由 David S. Miller 提交于
dst_{get,set}_neighbour() Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 18 6月, 2011 1 次提交
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由 Steve Wise 提交于
- fix a race where the driver could end up sending a close_con_req after an abort_rpl. In c4iw_ep_disconnect(), send abort or close request with the ep mutex held. - fix a hang where driver fails to wake up when a connection is reset during a normal close. Wake up any waiters in the interrupt path, and correctly cleanup after rdma_fini() failures. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 10 5月, 2011 2 次提交
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由 Steve Wise 提交于
The driver was never really waiting for RDMA_WR/FINI completions because the condition variable used to determine if the completion happened was never reset, and this condition variable is reused for both connection setup and teardown. This causes various driver crashes under heavy loads due to releasing resources too early. The fix is to use atomic bits to correctly reset the condition immediately after the completion is detected. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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由 Steve Wise 提交于
Concurrent ingress CLOSE and ULP ABORT operations causes a crash due to a race condition where the close path releases the EP lock and then tries to move the QP state to CLOSED. This must be done inside the EP lock to avoid the race. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 04 5月, 2011 1 次提交
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 15 3月, 2011 2 次提交
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由 Steve Wise 提交于
Set the ULP mode for initial RDMA connection setup to the proper DDP mode. This avoids wasting some HW resources while in streaming mode. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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由 Steve Wise 提交于
Set the default to on. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 13 3月, 2011 1 次提交
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由 David S. Miller 提交于
The idea here is this minimizes the number of places one has to edit in order to make changes to how flows are defined and used. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 3月, 2011 1 次提交
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由 David S. Miller 提交于
Instead of on the stack. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 3月, 2011 2 次提交
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由 David S. Miller 提交于
This boolean state is now available in the flow flags. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Since that is what the current vague "flags" argument means. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 1月, 2011 1 次提交
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由 Steve Wise 提交于
The PF passed to FW was 0, causing PCI failures in an SR-IOV environment. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Cc: <stable@kernel.org> Signed-off-by: NRoland Dreier <roland@purestorage.com>
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- 27 10月, 2010 1 次提交
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Acked-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 29 9月, 2010 5 次提交
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由 Steve Wise 提交于
This helps with large IO throughput. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Steve Wise 提交于
Move the connection setup/teardown paths to the workq thread removing spin lock/irq disable requirements for these paths. This allows calls down to the LLD for EP and QP state transition actions to be atomic with respect to processing CPL messages coming up from the HW. Namely, calls to rdma_init() and rdma_fini() can now be called with the mutex held avoiding many race conditions with the abort path. The QP spinlock is still used but only to manipulate the qp state. This allows the fastpaths, poll, post_send, and pos_recv, to run in the irq context. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Steve Wise 提交于
Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Steve Wise 提交于
T4 FW sends up CPL_RDMA_TERMINATE to indicate a peer TERM. This triggers the QP moving to TERMINATE state. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Steve Wise 提交于
The cxgb4_*_send() functions return NET_XMIT_ values, which are positive integers or negative errno values. So don't treat positive return values as an error. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 28 9月, 2010 1 次提交
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由 Roland Dreier 提交于
Fix: drivers/infiniband/hw/cxgb4/qp.c: In function ‘create_qp’: drivers/infiniband/hw/cxgb4/qp.c:147: warning: cast from pointer to integer of different size drivers/infiniband/hw/cxgb4/qp.c: In function ‘rdma_fini’: drivers/infiniband/hw/cxgb4/qp.c:988: warning: cast from pointer to integer of different size drivers/infiniband/hw/cxgb4/qp.c: In function ‘rdma_init’: drivers/infiniband/hw/cxgb4/qp.c:1063: warning: cast from pointer to integer of different size drivers/infiniband/hw/cxgb4/mem.c: In function ‘write_adapter_mem’: drivers/infiniband/hw/cxgb4/mem.c:74: warning: cast from pointer to integer of different size drivers/infiniband/hw/cxgb4/cq.c: In function ‘destroy_cq’: drivers/infiniband/hw/cxgb4/cq.c:58: warning: cast from pointer to integer of different size drivers/infiniband/hw/cxgb4/cq.c: In function ‘create_cq’: drivers/infiniband/hw/cxgb4/cq.c:135: warning: cast from pointer to integer of different size drivers/infiniband/hw/cxgb4/cm.c: In function ‘fw6_msg’: drivers/infiniband/hw/cxgb4/cm.c:2326: warning: cast to pointer from integer of different size by casting pointers to unsigned long instead of u64. Reported-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 05 8月, 2010 1 次提交
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由 Steve Wise 提交于
Don't hang a host thread if the FW stops responding. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 03 8月, 2010 2 次提交
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由 Steve Wise 提交于
Endpoint timer manipulation needs to be done inside the lock. Otherwise we can get into a situation where a timer is stopped before it is started, which hits the WARN_ON() in stop_ep_timer(). Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Steve Wise 提交于
There is only one control txq per tx channel. So use the port number as the queue index when sending. Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 22 7月, 2010 1 次提交
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由 Steve Wise 提交于
Signed-off-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 20 7月, 2010 2 次提交
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由 Roland Dreier 提交于
The rest of the code seems to assume that ep->com.cm_id can't be NULL, so remove an unneeded test. Reported-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Dan Carpenter 提交于
We don't need to assign rpl here, we do that later on. Signed-off-by: NDan Carpenter <error27@gmail.com> [ Indeed this assignment makes no sense, since skb is set to NULL a couple of lines before. - Roland ] Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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