iscsi: use default MaxRecvDataSegmentLength for login response data length

Change-Id: I57205143fc29db96761791f2f6a20b4741875d58
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3458
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Community-CI: Mellanox Build Bot
This commit is contained in:
Changpeng Liu 2020-07-21 01:59:24 -04:00 committed by Tomasz Zawadzki
parent e1287f7f59
commit 5d49baeb8e

View File

@ -1224,7 +1224,6 @@ iscsi_op_login_rsp_init(struct spdk_iscsi_conn *conn,
{
struct iscsi_bhs_login_req *reqh;
struct iscsi_bhs_login_rsp *rsph;
uint32_t alloc_len;
rsph = (struct iscsi_bhs_login_rsp *)&rsp_pdu->bhs;
rsph->opcode = ISCSI_OP_LOGIN_RSP;
@ -1232,21 +1231,15 @@ iscsi_op_login_rsp_init(struct spdk_iscsi_conn *conn,
rsph->status_detail = ISCSI_LOGIN_ACCEPT;
rsp_pdu->data_segment_len = 0;
/* Default MaxRecvDataSegmentLength - RFC3720(12.12) */
if (conn->MaxRecvDataSegmentLength < 8192) {
alloc_len = 8192;
} else {
alloc_len = conn->MaxRecvDataSegmentLength;
}
rsp_pdu->data = calloc(1, alloc_len);
/* The default MaxRecvDataSegmentLength 8192 is used during login. - RFC3720 */
rsp_pdu->data = calloc(1, 8192);
if (!rsp_pdu->data) {
SPDK_ERRLOG("calloc() failed for data segment\n");
rsph->status_class = ISCSI_CLASS_TARGET_ERROR;
rsph->status_detail = ISCSI_LOGIN_STATUS_NO_RESOURCES;
return SPDK_ISCSI_LOGIN_ERROR_RESPONSE;
}
rsp_pdu->data_buf_len = alloc_len;
rsp_pdu->data_buf_len = 8192;
reqh = (struct iscsi_bhs_login_req *)&pdu->bhs;
rsph->flags |= (reqh->flags & ISCSI_LOGIN_TRANSIT);