2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * CDDL HEADER START
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * CDDL HEADER END
4558d122136f151d62acbbc02ddb42df89a5ef66Viswanathan Kannappan * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * The following notice accompanied the original version of this file:
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * BSD LICENSE
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Copyright(c) 2007 Intel Corporation. All rights reserved.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * All rights reserved.
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * modification, are permitted provided that the following conditions
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * * Redistributions of source code must retain the above copyright
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * notice, this list of conditions and the following disclaimer.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * * Redistributions in binary form must reproduce the above copyright
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * notice, this list of conditions and the following disclaimer in
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * the documentation and/or other materials provided with the
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * distribution.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * * Neither the name of Intel Corporation nor the names of its
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * contributors may be used to endorse or promote products derived
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * from this software without specific prior written permission.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * This file defines interfaces between fcoe and fcoet driver.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Driver kernel header files
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * COMSTAR header files
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCoE header files
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Driver's own header files
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * function forward declaration
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic fcoet_exchange_t *fcoet_create_unsol_exchange(fcoe_frame_t *frame);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_sol_fcp_data(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_unsol_fcp_cmd(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_unsol_els_req(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_sol_els_rsp(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_unsol_abts_req(fcoe_frame_t *frame);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_sol_abts_acc(fcoe_frame_t *frame);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_sol_abts_rjt(fcoe_frame_t *frame);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_unsol_ct_req(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_sol_ct_rsp(fcoe_frame_t *frame);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_sol_flogi_rsp(fcoe_frame_t *frame);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_sol_fcp_data_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_fcp_status_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_unsol_els_rsp_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_sol_els_req_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_unsol_bls_acc_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_unsol_bls_rjt_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_sol_bls_req_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_send_sol_ct_req_done(fcoe_frame_t *frm);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoet_process_unsol_flogi_req(fcoet_exchange_t *xch);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * rx_frame & release_sol_frame
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * There should be no same OXID/RXID in on-going exchanges.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * RXID -> unsol_rxid_hash
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * OXID -> sol_oxid_hash
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Solicited data
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_sol_fcp_data failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Unsolicited fcp_cmnd
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_unsol_fcp_cmd failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * unsolicited ELS req
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_unsol_els_req failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * solicited ELS rsp
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_sol_els_rsp failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * unsolicted ABTS req
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_unsol_abts_req failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * solicited ABTS acc response
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_sol_abts_acc failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * solcited ABTS rjt response
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_sol_abts_rjt failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * unsolicited CT req
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_sol_ct_rsp failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * sol ct rsp
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "fcoet_process_sol_ct_rsp failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Unsupported frame
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Release the frame in the end
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * For solicited frames, after FCoE has sent it out, it will call this
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * to notify client(FCoEI/FCoET) about its completion.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * From now, we should not access both frm_hdr and frm_payload. Its
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * mblk could have been released by MAC driver.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (xch && xch->xch_flags & XCH_FLAG_FCT_CALLED_ABORT) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (xch && xch->xch_flags & XCH_FLAG_FCT_CALLED_ABORT) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (xch && xch->xch_flags & XCH_FLAG_FCT_CALLED_ABORT) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Unsupported frame
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We should release the frame
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoet_port_event(fcoe_port_t *eport, uint32_t event)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOET_LOG("fcoet_port_event", "LINK UP notified");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang /* Need clear up all other things */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOET_LOG("fcoet_port_event", "LINK DOWN notified");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * For unsolicited exchanges, FCoET is only responsible for allocation of
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * req_payload. FCT will allocate resp_payload after the exchange is
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * passed on.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCoET's unsolicited ELS
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_RCVD_ELS,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCoET's unsolicited SCSI cmd
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang cmd = fct_scsi_task_alloc(FRM2SS(frm)->ss_port, FCT_HANDLE_NONE,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOET_EXT_LOG(0, "unsupported R_CTL: %x", r_ctl);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * xch initialization
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang kmem_zalloc(xch->xch_dbuf_num * sizeof (stmf_data_buf_t *),
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang } while (mod_hash_find(FRM2SS(frm)->ss_unsol_rxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) mod_hash_insert(xch->xch_ss->ss_unsol_rxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (mod_hash_key_t)(intptr_t)xch->xch_rxid, (mod_hash_val_t)xch);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * cmd initialization
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (mod_hash_remove(xch->xch_ss->ss_unsol_rxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (mod_hash_key_t)(intptr_t)xch->xch_rxid, &val) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOET_LOG("fcoet_clear_unsol_exchange", "xch %p already cleared from "
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) mod_hash_remove(xch->xch_ss->ss_sol_oxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (mod_hash_find_cb(FRM2SS(frm)->ss_unsol_rxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (mod_hash_val_t)&xch, fcoet_modhash_find_cb) != 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * we will always have a buf waiting there
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang dbuf = xch->xch_dbufs[data_offset/FCOET_MAX_DBUF_LEN];
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ASSERT(((sge_idx < FCOET_GET_SEG_NUM(dbuf) - 1) &&
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (frm->frm_payload_size == ss->ss_fcp_data_payload_size)) ||
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (frm->frm_payload_size % ss->ss_fcp_data_payload_size ==
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang dbuf->db_data_size % ss->ss_fcp_data_payload_size)));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang bcopy(frm->frm_payload, dbuf->db_sglist[sge_idx].seg_addr,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_left_data_size -= frm->frm_payload_size;
7ff836697c120cb94bd30d5c2204eb9b74718e4cZhong Wang dbuf->db_sglist_length >= FCOET_GET_SEG_NUM(dbuf)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fct_scsi_data_xfer_done(xch->xch_cmd, dbuf, iof);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOET_LOG("fcoet_process_unsol_fcp_cmd", "can't get exchange");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang task->task_cmd_seq_no = FCOE_B2V_1(ffc->ffc_ref_num);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang task->task_flags = FCOE_B2V_1(ffc->ffc_attribute) & 0x07;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang task->task_expected_xfer_length = FCOE_B2V_4(ffc->ffc_fcp_dl);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * It must be from link
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * req_payload has been allocated when create_unsol_exchange
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * For the reason of keeping symmetric, we do copy here as in
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * process_sol_els instead of in create_unsol_exchange.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * req_payload depends on how to allocate buf in create_unsol_exchange
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang XCH2ELS(xch)->els_req_size = frm->frm_payload_size;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang GET_BYTE_OFFSET(xch, GET_STRUCT_SIZE(fcoet_exchange_t));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang bcopy(frm->frm_payload, XCH2ELS(xch)->els_req_payload,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (XCH2ELS(xch)->els_req_payload[0] != ELS_OP_FLOGI) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Ensure LINK_UP event has been handled, or PLOIG has
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * been processed by FCT, or else it will be discarded.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * It need more consideration later ???
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((XCH2ELS(xch)->els_req_payload[0] == ELS_OP_PLOGI) &&
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((XCH2ELS(xch)->els_req_payload[0] == ELS_OP_PRLI) &&
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We always handle FLOGI internally
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Save dst mac address from FLOGI request to restore later
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * It must be from link, but could be incomplete because of network problems
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (mod_hash_find_cb(FRM2SS(frm)->ss_sol_oxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (mod_hash_val_t *)&xch, fcoet_modhash_find_cb) != 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang bcopy(frm->frm_payload, els->els_resp_payload, actual_size);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We handle FLOGI internally
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * It's still in the context of being aborted exchange, but FCT can't support
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * this scheme, so there are two fct_cmd_t that are bound with one exchange.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOET_LOG("fcoet_process_unsol_abts_req", "ABTS: %x/%x",
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (mod_hash_find_cb(FRM2SS(frm)->ss_unsol_rxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (mod_hash_val_t *)&xch, fcoet_modhash_find_cb) != 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "can't find aborted exchange");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "not supported this kind frame");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_RCVD_ABTS, 0, 0);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "can't alloc fct_cmd_t");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang cmd->cmd_rp_handle = xch->xch_cmd->cmd_rp_handle;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "abts now: xch/%p, frm/%p - time/%p",
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (mod_hash_remove(FRM2SS(frm)->ss_sol_oxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * So far ABTS for FLOGI might be removed from ss_sol_oxid_hash
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * in fcoet_watch_handle_sol_flogi, Will improve it later
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "not supported this kind frame");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "ABTS received but there is nothing to do");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (mod_hash_remove(FRM2SS(frm)->ss_sol_oxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * So far ABTS for FLOGI might be removed from ss_sol_oxid_hash
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * in fcoet_watch_handle_sol_flogi, Will improve it later
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "not supported this kind frame");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "ABTS_RJT received rjt reason %x but there is nothing to do",
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * If you want to implement virtual name server, or FC/ETH
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * gateway, you can do it here
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "not supported this kind frame");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "No support for unsolicited CT request");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (mod_hash_remove(FRM2SS(frm)->ss_sol_oxid_hash,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang actual_size = CMD2ELS(xch->xch_cmd)->els_resp_size;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang CMD2CT(xch->xch_cmd)->ct_resp_payload, actual_size);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_left_data_size -= frm->frm_payload_size;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ASSERT((dbuf) && (dbuf->db_flags & DB_DIRECTION_TO_RPORT));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We decrease db_sglist_length only for READ-type commands.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * For INQUIRY, resid could be non-zero, then db_sglist_length will
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * be useful.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((xch->xch_left_data_size <= 0) || (!dbuf->db_sglist_length)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (fcoet_send_status(xch->xch_cmd) != FCT_SUCCESS) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fct_scsi_data_xfer_done(xch->xch_cmd, dbuf, iof);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (xch->xch_flags & XCH_FLAG_FCT_CALLED_ABORT) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (fcoet_clear_unsol_exchange(xch) == FCOE_SUCCESS) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fct_send_response_done(xch->xch_cmd, fc_st, iof);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang /* Already cleared from hash table by abort */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Solicited frames callback area
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "frm/oxid/els: %p/%x/%x",
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang frm, FRM_OXID(frm), XCH2ELS(xch)->els_req_payload[0]);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (xch->xch_flags & XCH_FLAG_FCT_CALLED_ABORT) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (fcoet_clear_unsol_exchange(xch) == FCOE_FAILURE) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (XCH2ELS(xch)->els_req_payload[0] != ELS_OP_FLOGI) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fct_send_response_done(xch->xch_cmd, fc_st, iof);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We need update ss_link_info and flags.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (frm->frm_eport->eport_link_speed == FCOE_PORT_SPEED_1G) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_ss->ss_link_info.port_speed = PORT_SPEED_1G;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_ss->ss_link_info.port_speed = PORT_SPEED_10G;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_ss->ss_link_info.port_fca_flogi_done = 1;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_ss->ss_link_info.port_fct_flogi_done = 0;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCT have released relevant fct_cmd_t and fcoet_exchange_t now, so it's not
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * needed to notify FCT anything. Just do nothing.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "Unsolicited BA_ACC sent out and released ");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "Unsolicited BA_RJT sent out and released");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "Soclited ABTS was sent out and released");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "CT request was sent out and released");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCoET can only interpret solicited and unsolicited FLOGI, all the other
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * ELS/CT/FCP should be passed up to FCT.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoet_process_unsol_flogi_req(fcoet_exchange_t *xch)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang atomic_or_32(&xch->xch_ss->ss_flags, SS_FLAG_DELAY_PLOGI);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * In spec, common service parameter should indicate if it's from
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * N-port or F-port, but the initial intel implementation is not
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * spec-compliant, so we use eport_flags to workaround the problem
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (!(xch->xch_ss->ss_eport->eport_flags & EPORT_FLAG_IS_DIRECT_P2P)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * The topology is switch P2P, so there's no need to respond
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * to this FLOGI
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "skip FLOGI, since we are in switch topology");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Send ACC according to the spec.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang frm = xch->xch_ss->ss_eport->eport_alloc_frame(xch->xch_ss->ss_eport,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Common Svc Parameters
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang bcopy(xch->xch_ss->ss_eport->eport_portwwn, frm->frm_payload + 20, 8);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang bcopy(xch->xch_ss->ss_eport->eport_nodewwn, frm->frm_payload + 28, 8);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Class3 Svc Parameters
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Send FLOGI ACC out
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * After this, we should never use the exchange, because it could
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * have been released. Please pay attention to other similiar cases.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We need always update ss_link_info and flags for solicited
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FLOGI, because someone has assigned address for you. The
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * initial intel implementation will always assign address for
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * you even you are in back-to-back mode (direct P2P).
1826d2a29c290066fad1e2e22d57722d54e6d475Kelly Hu ss->ss_sol_flogi_state != SFS_FLOGI_CHECK_TIMEOUT &&
1826d2a29c290066fad1e2e22d57722d54e6d475Kelly Hu * The status is not correct, this response may be
1826d2a29c290066fad1e2e22d57722d54e6d475Kelly Hu * obsolete.
1826d2a29c290066fad1e2e22d57722d54e6d475Kelly Hu "FLOGI response is obsolete");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Check the bit 28 in 3rd word of the payload
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * in common service parameters to know the
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * remote port is F_PORT or N_PORT
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_ss->ss_link_info.port_speed = PORT_SPEED_10G;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_ss->ss_link_info.port_fca_flogi_done = 1;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang xch->xch_ss->ss_link_info.port_fct_flogi_done = 0;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang "FLOGI is accecpted");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOET_LOG("fcoet_process_sol_flogi_rsp", "FLOGI is rejected");