From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Fri, 14 Jun 2013 23:47:15 +0000 (-0700)
Subject: iser-target: Add support for ISCSI_OP_TEXT opcode + payload handling
X-Git-Tag: v3.11-rc1~22^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=adb54c29310e8785e4f2eb0dc76e0e2fde943b11;p=pandora-kernel.git

iser-target: Add support for ISCSI_OP_TEXT opcode + payload handling

This patch adds isert_handle_text_cmd() to handle incoming
ISCSI_OP_TEXT PDU processing, along with isert_put_text_rsp()
for posting ISCSI_OP_TEXT_RSP ib_send_wr response.

It copies ISCSI_OP_TEXT payload using unsolicited payload at
&iser_rx_desc->data[0] into iscsi_cmd->text_in_ptr for usage
with outgoing isert_put_text_rsp() -> iscsit_build_text_rsp()

v2 changes:
  - Let iscsit_build_text_rsp() determine any extra padding

Reported-by: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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