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i40iw: Tear-down connection after CQP Modify QP failure

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There is no explicit tear-down sequence initiated on
connections if the Control QP OP, Modify QP to close,
fails. Fix this by triggering a driver generated
Asynchronous Event (AE) on Modify QP failures and
tear-down the connection on receipt of the AE.

This fix can be generalized to other Modify QP failures
(i.e. RTS->TERM, IDLE->RTS, etc) as any modify failure
will require a connection tear-down.

Fixes: d374984179 ("i40iw: add files for iwarp interface")
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Henry Orosco
2018-03-14 14:45:23 -05:00
committed by Jason Gunthorpe
parent a8b9234b12
commit 546b1452fd
4 changed files with 30 additions and 10 deletions
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2
drivers/infiniband/hw/i40iw/i40iw_cm.c
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@@ -539,7 +539,7 @@ static struct i40iw_puda_buf *i40iw_form_cm_frame(struct i40iw_cm_node *cm_node,
* i40iw_send_reset - Send RST packet
* @cm_node: connection's node
*/
static int i40iw_send_reset(struct i40iw_cm_node *cm_node)
int i40iw_send_reset(struct i40iw_cm_node *cm_node)
{
struct i40iw_puda_buf *sqbuf;
int flags = SET_RST | SET_ACK;