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Merge pull request #227 from ddiss/xcopy_limits_v2

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TESTS: exceed Maximum Descriptor List Length
This commit is contained in:
Ronnie Sahlberg
2016-12-26 10:16:35 -08:00
committed by GitHub
parent 8000a14d55 e427a813ad
commit 9b585dd558
1 changed files with 20 additions and 12 deletions
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32
test-tool/test_extendedcopy_descr_limits.c
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@@ -26,6 +26,7 @@
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test-cu.h"
#include "iscsi-private.h"
int init_xcopy_descr(unsigned char *buf, int offset, int num_tgt_desc,
int num_seg_desc, int *tgt_desc_len, int *seg_desc_len)
@@ -39,7 +40,7 @@ int init_xcopy_descr(unsigned char *buf, int offset, int num_tgt_desc,
LU_ID_TYPE_LUN, 0, 0, 0, 0, sd);
*tgt_desc_len = offset - XCOPY_DESC_OFFSET;
/* Iniitialize segment descriptor list with num_seg_desc
/* Initialize segment descriptor list with num_seg_desc
* segment descriptor */
for (i = 0; i < num_seg_desc; i++)
offset += populate_seg_desc_b2b(buf+offset, 0, 0, 0, 0,
@@ -56,7 +57,7 @@ test_extendedcopy_descr_limits(void)
struct iscsi_data data;
unsigned char *xcopybuf;
struct scsi_copy_results_op_params *opp = NULL;
int tgt_desc_len = 0, seg_desc_len = 0;
int tgt_desc_len = 0, seg_desc_len = 0, seg_desc_count;
unsigned int alloc_len;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
@@ -75,7 +76,10 @@ test_extendedcopy_descr_limits(void)
get_desc_len(IDENT_DESCR_TGT_DESCR) +
(opp->max_segment_desc_count+1) *
get_desc_len(BLK_TO_BLK_SEG_DESCR);
data.data = alloca(alloc_len);
alloc_len = MAX(alloc_len, (XCOPY_DESC_OFFSET
+ opp->max_desc_list_length
+ get_desc_len(BLK_TO_BLK_SEG_DESCR)));
data.data = malloc(alloc_len);
xcopybuf = data.data;
memset(xcopybuf, 0, alloc_len);
@@ -101,15 +105,19 @@ test_extendedcopy_descr_limits(void)
logging(LOG_VERBOSE,
"Test sending descriptors > Maximum Descriptor List Length");
memset(xcopybuf, 0, alloc_len);
if (opp->max_desc_list_length < alloc_len) {
data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET,
(opp->max_target_desc_count+1),
(opp->max_segment_desc_count+1),
&tgt_desc_len, &seg_desc_len);
populate_param_header(xcopybuf, 3, 0, 0, 0,
tgt_desc_len, seg_desc_len, 0);
EXTENDEDCOPY(sd, &data, EXPECT_PARAM_LIST_LEN_ERR);
}
tgt_desc_len = (opp->max_target_desc_count + 1)
* get_desc_len(IDENT_DESCR_TGT_DESCR);
/* Overfill remaining max_desc_list_length with segment descriptors */
seg_desc_len = alloc_len - XCOPY_DESC_OFFSET - tgt_desc_len;
seg_desc_count = seg_desc_len / get_desc_len(BLK_TO_BLK_SEG_DESCR);
data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET,
(opp->max_target_desc_count+1),
seg_desc_count,
&tgt_desc_len, &seg_desc_len);
populate_param_header(xcopybuf, 3, 0, 0, 0,
tgt_desc_len, seg_desc_len, 0);
EXTENDEDCOPY(sd, &data, EXPECT_PARAM_LIST_LEN_ERR);
scsi_free_scsi_task(edl_task);
free(xcopybuf);
}