diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index 2c34e22493d3..866a22c4413d 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -649,6 +649,7 @@ enum { EP_STATE_OFLD_FAILED = 0x8000000, EP_STATE_CONNECT_FAILED = 0x10000000, EP_STATE_DISCONN_TIMEDOUT = 0x20000000, + EP_STATE_OFLD_FAILED_CID_BUSY = 0x80000000, }; /** @@ -758,11 +759,11 @@ extern int bnx2i_send_iscsi_logout(struct bnx2i_conn *conn, struct iscsi_task *mtask); extern void bnx2i_send_cmd_cleanup_req(struct bnx2i_hba *hba, struct bnx2i_cmd *cmd); -extern void bnx2i_send_conn_ofld_req(struct bnx2i_hba *hba, - struct bnx2i_endpoint *ep); -extern void bnx2i_update_iscsi_conn(struct iscsi_conn *conn); -extern void bnx2i_send_conn_destroy(struct bnx2i_hba *hba, +extern int bnx2i_send_conn_ofld_req(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep); +extern void bnx2i_update_iscsi_conn(struct iscsi_conn *conn); +extern int bnx2i_send_conn_destroy(struct bnx2i_hba *hba, + struct bnx2i_endpoint *ep); extern int bnx2i_alloc_qp_resc(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep); diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 0d40daefd572..6d99040747d6 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -701,10 +701,11 @@ void bnx2i_send_cmd_cleanup_req(struct bnx2i_hba *hba, struct bnx2i_cmd *cmd) * this routine prepares and posts CONN_OFLD_REQ1/2 KWQE to initiate * iscsi connection context clean-up process */ -void bnx2i_send_conn_destroy(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep) +int bnx2i_send_conn_destroy(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep) { struct kwqe *kwqe_arr[2]; struct iscsi_kwqe_conn_destroy conn_cleanup; + int rc = -EINVAL; memset(&conn_cleanup, 0x00, sizeof(struct iscsi_kwqe_conn_destroy)); @@ -721,7 +722,9 @@ void bnx2i_send_conn_destroy(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep) kwqe_arr[0] = (struct kwqe *) &conn_cleanup; if (hba->cnic && hba->cnic->submit_kwqes) - hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, 1); + rc = hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, 1); + + return rc; } @@ -732,8 +735,8 @@ void bnx2i_send_conn_destroy(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep) * * 5706/5708/5709 specific - prepares and posts CONN_OFLD_REQ1/2 KWQE */ -static void bnx2i_570x_send_conn_ofld_req(struct bnx2i_hba *hba, - struct bnx2i_endpoint *ep) +static int bnx2i_570x_send_conn_ofld_req(struct bnx2i_hba *hba, + struct bnx2i_endpoint *ep) { struct kwqe *kwqe_arr[2]; struct iscsi_kwqe_conn_offload1 ofld_req1; @@ -741,6 +744,7 @@ static void bnx2i_570x_send_conn_ofld_req(struct bnx2i_hba *hba, dma_addr_t dma_addr; int num_kwqes = 2; u32 *ptbl; + int rc = -EINVAL; ofld_req1.hdr.op_code = ISCSI_KWQE_OPCODE_OFFLOAD_CONN1; ofld_req1.hdr.flags = @@ -778,7 +782,9 @@ static void bnx2i_570x_send_conn_ofld_req(struct bnx2i_hba *hba, ofld_req2.num_additional_wqes = 0; if (hba->cnic && hba->cnic->submit_kwqes) - hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, num_kwqes); + rc = hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, num_kwqes); + + return rc; } @@ -789,8 +795,8 @@ static void bnx2i_570x_send_conn_ofld_req(struct bnx2i_hba *hba, * * 57710 specific - prepares and posts CONN_OFLD_REQ1/2 KWQE */ -static void bnx2i_5771x_send_conn_ofld_req(struct bnx2i_hba *hba, - struct bnx2i_endpoint *ep) +static int bnx2i_5771x_send_conn_ofld_req(struct bnx2i_hba *hba, + struct bnx2i_endpoint *ep) { struct kwqe *kwqe_arr[5]; struct iscsi_kwqe_conn_offload1 ofld_req1; @@ -799,6 +805,7 @@ static void bnx2i_5771x_send_conn_ofld_req(struct bnx2i_hba *hba, dma_addr_t dma_addr; int num_kwqes = 2; u32 *ptbl; + int rc = -EINVAL; ofld_req1.hdr.op_code = ISCSI_KWQE_OPCODE_OFFLOAD_CONN1; ofld_req1.hdr.flags = @@ -844,7 +851,9 @@ static void bnx2i_5771x_send_conn_ofld_req(struct bnx2i_hba *hba, num_kwqes += 1; if (hba->cnic && hba->cnic->submit_kwqes) - hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, num_kwqes); + rc = hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, num_kwqes); + + return rc; } /** @@ -855,12 +864,16 @@ static void bnx2i_5771x_send_conn_ofld_req(struct bnx2i_hba *hba, * * this routine prepares and posts CONN_OFLD_REQ1/2 KWQE */ -void bnx2i_send_conn_ofld_req(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep) +int bnx2i_send_conn_ofld_req(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep) { + int rc; + if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type)) - bnx2i_5771x_send_conn_ofld_req(hba, ep); + rc = bnx2i_5771x_send_conn_ofld_req(hba, ep); else - bnx2i_570x_send_conn_ofld_req(hba, ep); + rc = bnx2i_570x_send_conn_ofld_req(hba, ep); + + return rc; } @@ -2165,11 +2178,24 @@ static void bnx2i_process_ofld_cmpl(struct bnx2i_hba *hba, } if (ofld_kcqe->completion_status) { + ep->state = EP_STATE_OFLD_FAILED; if (ofld_kcqe->completion_status == ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE) - printk(KERN_ALERT "bnx2i: unable to allocate" - " iSCSI context resources\n"); - ep->state = EP_STATE_OFLD_FAILED; + printk(KERN_ALERT "bnx2i (%s): ofld1 cmpl - unable " + "to allocate iSCSI context resources\n", + hba->netdev->name); + else if (ofld_kcqe->completion_status == + ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE) + printk(KERN_ALERT "bnx2i (%s): ofld1 cmpl - invalid " + "opcode\n", hba->netdev->name); + else if (ofld_kcqe->completion_status == + ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY) + /* error status code valid only for 5771x chipset */ + ep->state = EP_STATE_OFLD_FAILED_CID_BUSY; + else + printk(KERN_ALERT "bnx2i (%s): ofld1 cmpl - invalid " + "error code %d\n", hba->netdev->name, + ofld_kcqe->completion_status); } else { ep->state = EP_STATE_OFLD_COMPL; cid_addr = ofld_kcqe->iscsi_conn_context_id; diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index ac60c4c29e9a..f622e89041cd 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -1682,7 +1682,9 @@ static int bnx2i_tear_down_conn(struct bnx2i_hba *hba, bnx2i_ep_destroy_list_add(hba, ep); /* destroy iSCSI context, wait for it to complete */ - bnx2i_send_conn_destroy(hba, ep); + if (bnx2i_send_conn_destroy(hba, ep)) + ep->state = EP_STATE_CLEANUP_CMPL; + wait_event_interruptible(ep->ofld_wait, (ep->state != EP_STATE_CLEANUP_START)); @@ -1781,7 +1783,18 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost, bnx2i_ep->ofld_timer.data = (unsigned long) bnx2i_ep; add_timer(&bnx2i_ep->ofld_timer); - bnx2i_send_conn_ofld_req(hba, bnx2i_ep); + if (bnx2i_send_conn_ofld_req(hba, bnx2i_ep)) { + if (bnx2i_ep->state == EP_STATE_OFLD_FAILED_CID_BUSY) { + printk(KERN_ALERT "bnx2i (%s): iscsi cid %d is busy\n", + hba->netdev->name, bnx2i_ep->ep_iscsi_cid); + rc = -EBUSY; + } else + rc = -ENOSPC; + printk(KERN_ALERT "bnx2i (%s): unable to send conn offld kwqe" + "\n", hba->netdev->name); + bnx2i_ep_ofld_list_del(hba, bnx2i_ep); + goto conn_failed; + } /* Wait for CNIC hardware to setup conn context and return 'cid' */ wait_event_interruptible(bnx2i_ep->ofld_wait,