diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
tree | b11842027dc6641da63f4bcc524f8678263304a3 /drivers/target/iscsi/iscsi_target_erl0.c | |
parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) |
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_erl0.c')
-rw-r--r-- | drivers/target/iscsi/iscsi_target_erl0.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 959a14c9d..210f6e483 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -956,56 +956,3 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) iscsit_handle_connection_cleanup(conn); } - -/* - * This is the simple function that makes the magic of - * sync and steering happen in the follow paradoxical order: - * - * 0) Receive conn->of_marker (bytes left until next OFMarker) - * bytes into an offload buffer. When we pass the exact number - * of bytes in conn->of_marker, iscsit_dump_data_payload() and hence - * rx_data() will automatically receive the identical u32 marker - * values and store it in conn->of_marker_offset; - * 1) Now conn->of_marker_offset will contain the offset to the start - * of the next iSCSI PDU. Dump these remaining bytes into another - * offload buffer. - * 2) We are done! - * Next byte in the TCP stream will contain the next iSCSI PDU! - * Cool Huh?! - */ -int iscsit_recover_from_unknown_opcode(struct iscsi_conn *conn) -{ - /* - * Make sure the remaining bytes to next maker is a sane value. - */ - if (conn->of_marker > (conn->conn_ops->OFMarkInt * 4)) { - pr_err("Remaining bytes to OFMarker: %u exceeds" - " OFMarkInt bytes: %u.\n", conn->of_marker, - conn->conn_ops->OFMarkInt * 4); - return -1; - } - - pr_debug("Advancing %u bytes in TCP stream to get to the" - " next OFMarker.\n", conn->of_marker); - - if (iscsit_dump_data_payload(conn, conn->of_marker, 0) < 0) - return -1; - - /* - * Make sure the offset marker we retrived is a valid value. - */ - if (conn->of_marker_offset > (ISCSI_HDR_LEN + (ISCSI_CRC_LEN * 2) + - conn->conn_ops->MaxRecvDataSegmentLength)) { - pr_err("OfMarker offset value: %u exceeds limit.\n", - conn->of_marker_offset); - return -1; - } - - pr_debug("Discarding %u bytes of TCP stream to get to the" - " next iSCSI Opcode.\n", conn->of_marker_offset); - - if (iscsit_dump_data_payload(conn, conn->of_marker_offset, 0) < 0) - return -1; - - return 0; -} |