From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu, 20 Jun 2013 06:16:49 +0000 (-0700)
Subject: iser-target: Setup incoming ISCSI_OP_TEXT buffer
X-Git-Tag: next-20130628~75^2~5
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3d811292090fac47495120273606203f9a7761dc;p=karo-tx-linux.git

iser-target: Setup incoming ISCSI_OP_TEXT buffer

This patch 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()

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

diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index ca440f4ad8ea..891087a37658 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -1025,15 +1025,24 @@ isert_handle_text_cmd(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd
 {
 	struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
 	struct iscsi_conn *conn = isert_conn->conn;
+	u32 payload_length = ntoh24(hdr->dlength);
 	int rc;
+	unsigned char *text_in;
 
 	rc = iscsit_setup_text_cmd(conn, cmd, hdr);
 	if (rc < 0)
 		return rc;
 
-	/*
-	 * FIXME: Add support for TEXT payload parsing
-	 */
+	text_in = kzalloc(payload_length, GFP_KERNEL);
+	if (!text_in) {
+		pr_err("Unable to allocate text_in of payload_length: %u\n",
+		       payload_length);
+		return -ENOMEM;
+	}
+	cmd->text_in_ptr = text_in;
+
+	memcpy(cmd->text_in_ptr, &rx_desc->data[0], payload_length);
+
 	return iscsit_process_text_cmd(conn, cmd, hdr);
 }