def dci_reset_stream_id(self, qp_idx):
stream_id = self.get_stream_id(qp_idx)
Mlx5QP.modify_dci_stream_channel_id(self.qps[qp_idx], stream_id)
# Check once if error raised when reset wrong stream id
if self.stream_check:
try:
Mlx5QP.modify_dci_stream_channel_id(self.qps[qp_idx],
stream_id + 1)
except PyverbsRDMAError as ex:
self.stream_check = False
def reset_qp(self, qp_idx):
qp_attr = QPAttr(qp_state=e.IBV_QPS_RESET)
self.qps[qp_idx].modify(qp_attr, e.IBV_QP_STATE)
self.qps[qp_idx].to_rts(qp_attr)
err_mask = self.qp_stream_errors[qp_idx][0]
index = 0
# Clear all set dci
while err_mask != 0:
if (err_mask & 0x1) == 0x1:
Mlx5QP.modify_dci_stream_channel_id(self.qps[qp_idx], index)
index += 1
err_mask >>= 1
self.qp_stream_errors[qp_idx][0] = 0