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RDMA/nes: Support for Packed And Unaligned fpdus

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Support for Packed and Unaligned (PAU) FPDUs is needed for
interoperability between NES and non-NES nodes. When the NES hardware
detects a PAU frame, it will pass it to the driver to process the
frame.  NES driver creates a new frame for each FPDU and forwards it
to the hardware to be sent to its associated qp.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Faisal Latif <Faisal.Latif@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Faisal Latif
2011-09-25 20:34:00 -05:00
committed by Roland Dreier
parent 6224c7eeff
commit 0f0bee8bbc
13 changed files with 1434 additions and 50 deletions
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8
drivers/infiniband/hw/nes/nes.c
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@@ -84,7 +84,7 @@ module_param(send_first, int, 0644);
MODULE_PARM_DESC(send_first, "Send RDMA Message First on Active Connection");
unsigned int nes_drv_opt = 0;
unsigned int nes_drv_opt = NES_DRV_OPT_DISABLE_INT_MOD | NES_DRV_OPT_ENABLE_PAU;
module_param(nes_drv_opt, int, 0644);
MODULE_PARM_DESC(nes_drv_opt, "Driver option parameters");
@@ -130,9 +130,6 @@ static struct notifier_block nes_net_notifier = {
.notifier_call = nes_net_event
};
/**
* nes_inetaddr_event
*/
@@ -321,6 +318,9 @@ void nes_rem_ref(struct ib_qp *ibqp)
}
if (atomic_dec_and_test(&nesqp->refcount)) {
if (nesqp->pau_mode)
nes_destroy_pau_qp(nesdev, nesqp);
/* Destroy the QP */
cqp_request = nes_get_cqp_request(nesdev);
if (cqp_request == NULL) {