diff options
Diffstat (limited to 'drivers/target/iscsi/iscsi_target.c')
-rw-r--r-- | drivers/target/iscsi/iscsi_target.c | 255 |
1 files changed, 103 insertions, 152 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 19a31f9bb7d5..2a25bd3b065c 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -628,25 +628,18 @@ static void __exit iscsi_target_cleanup_module(void) } static int iscsit_add_reject( + struct iscsi_conn *conn, u8 reason, - int fail_conn, - unsigned char *buf, - struct iscsi_conn *conn) + unsigned char *buf) { struct iscsi_cmd *cmd; - struct iscsi_reject *hdr; - int ret; cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) return -1; cmd->iscsi_opcode = ISCSI_OP_REJECT; - if (fail_conn) - cmd->cmd_flags |= ICF_REJECT_FAIL_CONN; - - hdr = (struct iscsi_reject *) cmd->pdu; - hdr->reason = reason; + cmd->reject_reason = reason; cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL); if (!cmd->buf_ptr) { @@ -662,23 +655,16 @@ static int iscsit_add_reject( cmd->i_state = ISTATE_SEND_REJECT; iscsit_add_cmd_to_response_queue(cmd, conn, cmd->i_state); - ret = wait_for_completion_interruptible(&cmd->reject_comp); - if (ret != 0) - return -1; - - return (!fail_conn) ? 0 : -1; + return -1; } -int iscsit_add_reject_from_cmd( +static int iscsit_add_reject_from_cmd( + struct iscsi_cmd *cmd, u8 reason, - int fail_conn, - int add_to_conn, - unsigned char *buf, - struct iscsi_cmd *cmd) + bool add_to_conn, + unsigned char *buf) { struct iscsi_conn *conn; - struct iscsi_reject *hdr; - int ret; if (!cmd->conn) { pr_err("cmd->conn is NULL for ITT: 0x%08x\n", @@ -688,11 +674,7 @@ int iscsit_add_reject_from_cmd( conn = cmd->conn; cmd->iscsi_opcode = ISCSI_OP_REJECT; - if (fail_conn) - cmd->cmd_flags |= ICF_REJECT_FAIL_CONN; - - hdr = (struct iscsi_reject *) cmd->pdu; - hdr->reason = reason; + cmd->reject_reason = reason; cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL); if (!cmd->buf_ptr) { @@ -709,8 +691,6 @@ int iscsit_add_reject_from_cmd( cmd->i_state = ISTATE_SEND_REJECT; iscsit_add_cmd_to_response_queue(cmd, conn, cmd->i_state); - - ret = wait_for_completion_interruptible(&cmd->reject_comp); /* * Perform the kref_put now if se_cmd has already been setup by * scsit_setup_scsi_cmd() @@ -719,12 +699,19 @@ int iscsit_add_reject_from_cmd( pr_debug("iscsi reject: calling target_put_sess_cmd >>>>>>\n"); target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd); } - if (ret != 0) - return -1; + return -1; +} - return (!fail_conn) ? 0 : -1; +static int iscsit_add_reject_cmd(struct iscsi_cmd *cmd, u8 reason, + unsigned char *buf) +{ + return iscsit_add_reject_from_cmd(cmd, reason, true, buf); +} + +int iscsit_reject_cmd(struct iscsi_cmd *cmd, u8 reason, unsigned char *buf) +{ + return iscsit_add_reject_from_cmd(cmd, reason, false, buf); } -EXPORT_SYMBOL(iscsit_add_reject_from_cmd); /* * Map some portion of the allocated scatterlist to an iovec, suitable for @@ -844,8 +831,8 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, !(hdr->flags & ISCSI_FLAG_CMD_FINAL)) { pr_err("ISCSI_FLAG_CMD_WRITE & ISCSI_FLAG_CMD_FINAL" " not set. Bad iSCSI Initiator.\n"); - return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_INVALID, buf); } if (((hdr->flags & ISCSI_FLAG_CMD_READ) || @@ -865,8 +852,8 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, pr_err("ISCSI_FLAG_CMD_READ or ISCSI_FLAG_CMD_WRITE" " set when Expected Data Transfer Length is 0 for" " CDB: 0x%02x. Bad iSCSI Initiator.\n", hdr->cdb[0]); - return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_INVALID, buf); } done: @@ -875,62 +862,62 @@ done: pr_err("ISCSI_FLAG_CMD_READ and/or ISCSI_FLAG_CMD_WRITE" " MUST be set if Expected Data Transfer Length is not 0." " Bad iSCSI Initiator\n"); - return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_INVALID, buf); } if ((hdr->flags & ISCSI_FLAG_CMD_READ) && (hdr->flags & ISCSI_FLAG_CMD_WRITE)) { pr_err("Bidirectional operations not supported!\n"); - return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_INVALID, buf); } if (hdr->opcode & ISCSI_OP_IMMEDIATE) { pr_err("Illegally set Immediate Bit in iSCSI Initiator" " Scsi Command PDU.\n"); - return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_INVALID, buf); } if (payload_length && !conn->sess->sess_ops->ImmediateData) { pr_err("ImmediateData=No but DataSegmentLength=%u," " protocol error.\n", payload_length); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_PROTOCOL_ERROR, buf); } - if ((be32_to_cpu(hdr->data_length )== payload_length) && + if ((be32_to_cpu(hdr->data_length) == payload_length) && (!(hdr->flags & ISCSI_FLAG_CMD_FINAL))) { pr_err("Expected Data Transfer Length and Length of" " Immediate Data are the same, but ISCSI_FLAG_CMD_FINAL" " bit is not set protocol error\n"); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_PROTOCOL_ERROR, buf); } if (payload_length > be32_to_cpu(hdr->data_length)) { pr_err("DataSegmentLength: %u is greater than" " EDTL: %u, protocol error.\n", payload_length, hdr->data_length); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_PROTOCOL_ERROR, buf); } if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) { pr_err("DataSegmentLength: %u is greater than" " MaxXmitDataSegmentLength: %u, protocol error.\n", payload_length, conn->conn_ops->MaxXmitDataSegmentLength); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_PROTOCOL_ERROR, buf); } if (payload_length > conn->sess->sess_ops->FirstBurstLength) { pr_err("DataSegmentLength: %u is greater than" " FirstBurstLength: %u, protocol error.\n", payload_length, conn->sess->sess_ops->FirstBurstLength); - return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_INVALID, buf); } data_direction = (hdr->flags & ISCSI_FLAG_CMD_WRITE) ? DMA_TO_DEVICE : @@ -985,9 +972,8 @@ done: dr = iscsit_allocate_datain_req(); if (!dr) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); iscsit_attach_datain_req(cmd, dr); } @@ -1015,18 +1001,16 @@ done: cmd->sense_reason = target_setup_cmd_from_cdb(&cmd->se_cmd, hdr->cdb); if (cmd->sense_reason) { if (cmd->sense_reason == TCM_OUT_OF_RESOURCES) { - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); } goto attach_cmd; } if (iscsit_build_pdu_and_seq_lists(cmd, payload_length) < 0) { - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); } attach_cmd: @@ -1075,10 +1059,6 @@ int iscsit_process_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd); return 0; - } else if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) { - return iscsit_add_reject_from_cmd( - ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, (unsigned char *)hdr, cmd); } } @@ -1149,11 +1129,6 @@ after_immediate_data: } else if (cmd->unsolicited_data) iscsit_set_unsoliticed_dataout(cmd); - if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, (unsigned char *)hdr, cmd); - } else if (immed_ret == IMMEDIATE_DATA_ERL1_CRC_FAILURE) { /* * Immediate Data failed DataCRC and ERL>=1, @@ -1190,9 +1165,8 @@ iscsit_handle_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, * traditional iSCSI block I/O. */ if (iscsit_allocate_iovecs(cmd) < 0) { - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 0, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); } immed_data = cmd->immediate_data; @@ -1282,8 +1256,8 @@ iscsit_check_dataout_hdr(struct iscsi_conn *conn, unsigned char *buf, if (!payload_length) { pr_err("DataOUT payload is ZERO, protocol error.\n"); - return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, - buf, conn); + return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + buf); } /* iSCSI write */ @@ -1300,8 +1274,8 @@ iscsit_check_dataout_hdr(struct iscsi_conn *conn, unsigned char *buf, pr_err("DataSegmentLength: %u is greater than" " MaxXmitDataSegmentLength: %u\n", payload_length, conn->conn_ops->MaxXmitDataSegmentLength); - return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, - buf, conn); + return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + buf); } cmd = iscsit_find_cmd_from_itt_or_dump(conn, hdr->itt, @@ -1324,8 +1298,7 @@ iscsit_check_dataout_hdr(struct iscsi_conn *conn, unsigned char *buf, if (cmd->data_direction != DMA_TO_DEVICE) { pr_err("Command ITT: 0x%08x received DataOUT for a" " NON-WRITE command.\n", cmd->init_task_tag); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, buf, cmd); + return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, buf); } se_cmd = &cmd->se_cmd; iscsit_mod_dataout_timer(cmd); @@ -1334,8 +1307,7 @@ iscsit_check_dataout_hdr(struct iscsi_conn *conn, unsigned char *buf, pr_err("DataOut Offset: %u, Length %u greater than" " iSCSI Command EDTL %u, protocol error.\n", hdr->offset, payload_length, cmd->se_cmd.data_length); - return iscsit_add_reject_from_cmd(ISCSI_REASON_BOOKMARK_INVALID, - 1, 0, buf, cmd); + return iscsit_reject_cmd(cmd, ISCSI_REASON_BOOKMARK_INVALID, buf); } if (cmd->unsolicited_data) { @@ -1543,8 +1515,8 @@ int iscsit_setup_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd, if (hdr->itt == RESERVED_ITT && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) { pr_err("NOPOUT ITT is reserved, but Immediate Bit is" " not set, protocol error.\n"); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, (unsigned char *)hdr, cmd); + return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, + (unsigned char *)hdr); } if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) { @@ -1552,8 +1524,8 @@ int iscsit_setup_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd, " greater than MaxXmitDataSegmentLength: %u, protocol" " error.\n", payload_length, conn->conn_ops->MaxXmitDataSegmentLength); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, (unsigned char *)hdr, cmd); + return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, + (unsigned char *)hdr); } pr_debug("Got NOPOUT Ping %s ITT: 0x%08x, TTT: 0x%08x," @@ -1612,9 +1584,7 @@ int iscsit_process_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd, return 0; if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, (unsigned char *)hdr, cmd); + return -1; return 0; } @@ -1780,8 +1750,8 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, pr_err("Task Management Request TASK_REASSIGN not" " issued as immediate command, bad iSCSI Initiator" "implementation\n"); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_PROTOCOL_ERROR, buf); } if ((function != ISCSI_TM_FUNC_ABORT_TASK) && be32_to_cpu(hdr->refcmdsn) != ISCSI_RESERVED_TAG) @@ -1793,9 +1763,9 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, if (!cmd->tmr_req) { pr_err("Unable to allocate memory for" " Task Management command!\n"); - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_NO_RESOURCES, + buf); } /* @@ -1837,17 +1807,15 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, default: pr_err("Unknown iSCSI TMR Function:" " 0x%02x\n", function); - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); } ret = core_tmr_alloc_req(&cmd->se_cmd, cmd->tmr_req, tcm_function, GFP_KERNEL); if (ret < 0) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); cmd->tmr_req->se_tmr_req = cmd->se_cmd.se_tmr_req; } @@ -1906,9 +1874,8 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, break; if (iscsit_check_task_reassign_expdatasn(tmr_req, conn) < 0) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_INVALID, 1, 1, - buf, cmd); + return iscsit_add_reject_cmd(cmd, + ISCSI_REASON_BOOKMARK_INVALID, buf); break; default: pr_err("Unknown TMR function: 0x%02x, protocol" @@ -1932,9 +1899,7 @@ attach: else if (cmdsn_ret == CMDSN_LOWER_THAN_EXP) return 0; else if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, buf, cmd); + return -1; } iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn)); @@ -1970,8 +1935,8 @@ iscsit_setup_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, pr_err("Unable to accept text parameter length: %u" "greater than MaxXmitDataSegmentLength %u.\n", payload_length, conn->conn_ops->MaxXmitDataSegmentLength); - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, (unsigned char *)hdr, cmd); + return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, + (unsigned char *)hdr); } pr_debug("Got Text Request: ITT: 0x%08x, CmdSN: 0x%08x," @@ -2033,17 +1998,16 @@ iscsit_process_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, if (!(hdr->opcode & ISCSI_OP_IMMEDIATE)) { cmdsn_ret = iscsit_sequence_cmd(conn, cmd, hdr->cmdsn); if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, (unsigned char *)hdr, cmd); + return -1; + return 0; } return iscsit_execute_cmd(cmd, 0); reject: - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 0, 0, (unsigned char *)hdr, cmd); + return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, + (unsigned char *)hdr); } EXPORT_SYMBOL(iscsit_process_text_cmd); @@ -2139,8 +2103,7 @@ iscsit_handle_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, reject: kfree(cmd->text_in_ptr); cmd->text_in_ptr = NULL; - return iscsit_add_reject_from_cmd(ISCSI_REASON_PROTOCOL_ERROR, - 0, 0, buf, cmd); + return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, buf); } EXPORT_SYMBOL(iscsit_handle_text_cmd); @@ -2322,13 +2285,10 @@ iscsit_handle_logout_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, return ret; } else { cmdsn_ret = iscsit_sequence_cmd(conn, cmd, hdr->cmdsn); - if (cmdsn_ret == CMDSN_LOWER_THAN_EXP) { + if (cmdsn_ret == CMDSN_LOWER_THAN_EXP) logout_remove = 0; - } else if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) { - return iscsit_add_reject_from_cmd( - ISCSI_REASON_PROTOCOL_ERROR, - 1, 0, buf, cmd); - } + else if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) + return -1; } return logout_remove; @@ -2352,8 +2312,8 @@ static int iscsit_handle_snack( if (!conn->sess->sess_ops->ErrorRecoveryLevel) { pr_err("Initiator sent SNACK request while in" " ErrorRecoveryLevel=0.\n"); - return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, - buf, conn); + return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + buf); } /* * SNACK_DATA and SNACK_R2T are both 0, so check which function to @@ -2377,13 +2337,13 @@ static int iscsit_handle_snack( case ISCSI_FLAG_SNACK_TYPE_RDATA: /* FIXME: Support R-Data SNACK */ pr_err("R-Data SNACK Not Supported.\n"); - return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, - buf, conn); + return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + buf); default: pr_err("Unknown SNACK type 0x%02x, protocol" " error.\n", hdr->flags & 0x0f); - return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, - buf, conn); + return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + buf); } return 0; @@ -2455,14 +2415,14 @@ static int iscsit_handle_immediate_data( pr_err("Unable to recover from" " Immediate Data digest failure while" " in ERL=0.\n"); - iscsit_add_reject_from_cmd( + iscsit_reject_cmd(cmd, ISCSI_REASON_DATA_DIGEST_ERROR, - 1, 0, (unsigned char *)hdr, cmd); + (unsigned char *)hdr); return IMMEDIATE_DATA_CANNOT_RECOVER; } else { - iscsit_add_reject_from_cmd( + iscsit_reject_cmd(cmd, ISCSI_REASON_DATA_DIGEST_ERROR, - 0, 0, (unsigned char *)hdr, cmd); + (unsigned char *)hdr); return IMMEDIATE_DATA_ERL1_CRC_FAILURE; } } else { @@ -3595,6 +3555,7 @@ iscsit_build_reject(struct iscsi_cmd *cmd, struct iscsi_conn *conn, struct iscsi_reject *hdr) { hdr->opcode = ISCSI_OP_REJECT; + hdr->reason = cmd->reject_reason; hdr->flags |= ISCSI_FLAG_CMD_FINAL; hton24(hdr->dlength, ISCSI_HDR_LEN); hdr->ffffffff = cpu_to_be32(0xffffffff); @@ -3868,18 +3829,11 @@ check_rsp_state: case ISTATE_SEND_STATUS_RECOVERY: case ISTATE_SEND_TEXTRSP: case ISTATE_SEND_TASKMGTRSP: + case ISTATE_SEND_REJECT: spin_lock_bh(&cmd->istate_lock); cmd->i_state = ISTATE_SENT_STATUS; spin_unlock_bh(&cmd->istate_lock); break; - case ISTATE_SEND_REJECT: - if (cmd->cmd_flags & ICF_REJECT_FAIL_CONN) { - cmd->cmd_flags &= ~ICF_REJECT_FAIL_CONN; - complete(&cmd->reject_comp); - goto err; - } - complete(&cmd->reject_comp); - break; default: pr_err("Unknown Opcode: 0x%02x ITT:" " 0x%08x, i_state: %d on CID: %hu\n", @@ -3984,8 +3938,7 @@ static int iscsi_target_rx_opcode(struct iscsi_conn *conn, unsigned char *buf) case ISCSI_OP_SCSI_CMD: cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) - return iscsit_add_reject(ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, buf, conn); + goto reject; ret = iscsit_handle_scsi_cmd(conn, cmd, buf); break; @@ -3997,32 +3950,28 @@ static int iscsi_target_rx_opcode(struct iscsi_conn *conn, unsigned char *buf) if (hdr->ttt == cpu_to_be32(0xFFFFFFFF)) { cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) - return iscsit_add_reject(ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, buf, conn); + goto reject; } ret = iscsit_handle_nop_out(conn, cmd, buf); break; case ISCSI_OP_SCSI_TMFUNC: cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) - return iscsit_add_reject(ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, buf, conn); + goto reject; ret = iscsit_handle_task_mgt_cmd(conn, cmd, buf); break; case ISCSI_OP_TEXT: cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) - return iscsit_add_reject(ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, buf, conn); + goto reject; ret = iscsit_handle_text_cmd(conn, cmd, buf); break; case ISCSI_OP_LOGOUT: cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) - return iscsit_add_reject(ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, buf, conn); + goto reject; ret = iscsit_handle_logout_cmd(conn, cmd, buf); if (ret > 0) @@ -4054,6 +4003,8 @@ static int iscsi_target_rx_opcode(struct iscsi_conn *conn, unsigned char *buf) } return ret; +reject: + return iscsit_add_reject(conn, ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); } int iscsi_target_rx_thread(void *arg) @@ -4148,8 +4099,8 @@ restart: (!(opcode & ISCSI_OP_LOGOUT)))) { pr_err("Received illegal iSCSI Opcode: 0x%02x" " while in Discovery Session, rejecting.\n", opcode); - iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, - buffer, conn); + iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + buffer); goto transport_err; } |