diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_iwarp.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_iwarp.c | 90 |
1 files changed, 89 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index a5da9fc6f454..84bcda314cd2 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c @@ -496,6 +496,8 @@ static void qed_iwarp_destroy_ep(struct qed_hwfn *p_hwfn, int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) { + struct qed_iwarp_ep *ep = qp->ep; + int wait_count = 0; int rc = 0; if (qp->iwarp_state != QED_IWARP_QP_STATE_ERROR) { @@ -505,6 +507,18 @@ int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) return rc; } + /* Make sure ep is closed before returning and freeing memory. */ + if (ep) { + while (ep->state != QED_IWARP_EP_CLOSED && wait_count++ < 200) + msleep(100); + + if (ep->state != QED_IWARP_EP_CLOSED) + DP_NOTICE(p_hwfn, "ep state close timeout state=%x\n", + ep->state); + + qed_iwarp_destroy_ep(p_hwfn, ep, false); + } + rc = qed_iwarp_fw_destroy(p_hwfn, qp); if (qp->shared_queue) @@ -1956,6 +1970,61 @@ int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) return qed_iwarp_ll2_stop(p_hwfn, p_ptt); } +void qed_iwarp_qp_in_error(struct qed_hwfn *p_hwfn, + struct qed_iwarp_ep *ep, u8 fw_return_code) +{ + struct qed_iwarp_cm_event_params params; + + qed_iwarp_modify_qp(p_hwfn, ep->qp, QED_IWARP_QP_STATE_ERROR, true); + + params.event = QED_IWARP_EVENT_CLOSE; + params.ep_context = ep; + params.cm_info = &ep->cm_info; + params.status = (fw_return_code == IWARP_QP_IN_ERROR_GOOD_CLOSE) ? + 0 : -ECONNRESET; + + ep->state = QED_IWARP_EP_CLOSED; + spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock); + list_del(&ep->list_entry); + spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock); + + ep->event_cb(ep->cb_context, ¶ms); +} + +void qed_iwarp_exception_received(struct qed_hwfn *p_hwfn, + struct qed_iwarp_ep *ep, int fw_ret_code) +{ + struct qed_iwarp_cm_event_params params; + bool event_cb = false; + + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "EP(0x%x) fw_ret_code=%d\n", + ep->cid, fw_ret_code); + + switch (fw_ret_code) { + case IWARP_EXCEPTION_DETECTED_LLP_CLOSED: + params.status = 0; + params.event = QED_IWARP_EVENT_DISCONNECT; + event_cb = true; + break; + case IWARP_EXCEPTION_DETECTED_LLP_RESET: + params.status = -ECONNRESET; + params.event = QED_IWARP_EVENT_DISCONNECT; + event_cb = true; + break; + default: + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, + "Unhandled exception received...fw_ret_code=%d\n", + fw_ret_code); + break; + } + + if (event_cb) { + params.ep_context = ep; + params.cm_info = &ep->cm_info; + ep->event_cb(ep->cb_context, ¶ms); + } +} + void qed_iwarp_connect_complete(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep, u8 fw_return_code) @@ -2009,8 +2078,27 @@ static int qed_iwarp_async_event(struct qed_hwfn *p_hwfn, ep->tcp_cid, fw_return_code); qed_iwarp_connect_complete(p_hwfn, ep, fw_return_code); break; - /* Async event for active side only */ + case IWARP_EVENT_TYPE_ASYNC_EXCEPTION_DETECTED: + if (!qed_iwarp_check_ep_ok(p_hwfn, ep)) + return -EINVAL; + DP_VERBOSE(p_hwfn, + QED_MSG_RDMA, + "QP(0x%x) IWARP_EVENT_TYPE_ASYNC_EXCEPTION_DETECTED fw_ret_code=%d\n", + ep->cid, fw_return_code); + qed_iwarp_exception_received(p_hwfn, ep, fw_return_code); + break; + case IWARP_EVENT_TYPE_ASYNC_QP_IN_ERROR_STATE: + /* Async completion for Close Connection ramrod */ + if (!qed_iwarp_check_ep_ok(p_hwfn, ep)) + return -EINVAL; + DP_VERBOSE(p_hwfn, + QED_MSG_RDMA, + "QP(0x%x) IWARP_EVENT_TYPE_ASYNC_QP_IN_ERROR_STATE fw_ret_code=%d\n", + ep->cid, fw_return_code); + qed_iwarp_qp_in_error(p_hwfn, ep, fw_return_code); + break; case IWARP_EVENT_TYPE_ASYNC_ENHANCED_MPA_REPLY_ARRIVED: + /* Async event for active side only */ if (!qed_iwarp_check_ep_ok(p_hwfn, ep)) return -EINVAL; DP_VERBOSE(p_hwfn, |