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 ca440f4ad8ea55e6db25e3dcd94ee73ec6c7e5a9..891087a37658b16f92e66c57e737ec006003a154 100644 (file)
--- 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);
 }