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| author | Michael J. Ruhl | 2018-09-10 18:39:20 +0200 |
|---|---|---|
| committer | Jason Gunthorpe | 2018-09-11 18:05:17 +0200 |
| commit | 3ca633f1ff7b1c1e8653181352485889b5636a12 (patch) | |
| tree | e059fdf147952822880305ee76808017555e0c5c /drivers/infiniband/hw/hfi1/sdma.c | |
| parent | IB/hfi1: Remove race conditions in user_sdma send path (diff) | |
| download | kernel-qcow2-linux-3ca633f1ff7b1c1e8653181352485889b5636a12.tar.gz kernel-qcow2-linux-3ca633f1ff7b1c1e8653181352485889b5636a12.tar.xz kernel-qcow2-linux-3ca633f1ff7b1c1e8653181352485889b5636a12.zip | |
IB/hfi1: Right size user_sdma sequence numbers and related variables
Hardware limits the maximum number of packets to u16 packets.
Match that size for all relevant sequence numbers in the user_sdma
engine.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/sdma.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/sdma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c index 88e326d6cc49..7a9b67e82a96 100644 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ b/drivers/infiniband/hw/hfi1/sdma.c @@ -2444,7 +2444,7 @@ nodesc: * @sde: sdma engine to use * @wait: wait structure to use when full (may be NULL) * @tx_list: list of sdma_txreqs to submit - * @count: pointer to a u32 which, after return will contain the total number of + * @count: pointer to a u16 which, after return will contain the total number of * sdma_txreqs removed from the tx_list. This will include sdma_txreqs * whose SDMA descriptors are submitted to the ring and the sdma_txreqs * which are added to SDMA engine flush list if the SDMA engine state is @@ -2468,7 +2468,7 @@ nodesc: * -EIOCBQUEUED - tx queued to iowait, -ECOMM bad sdma state */ int sdma_send_txlist(struct sdma_engine *sde, struct iowait *wait, - struct list_head *tx_list, u32 *count_out) + struct list_head *tx_list, u16 *count_out) { struct sdma_txreq *tx, *tx_next; int ret = 0; |