* Copyright(c) 2020 Red Hat, Inc.
*/
+#include "test.h"
+
#include <time.h>
#include <rte_common.h>
#include <rte_cycles.h>
#include <rte_hexdump.h>
#include <rte_ip.h>
+
+#ifdef RTE_EXEC_ENV_WINDOWS
+static int
+test_ipfrag(void)
+{
+ printf("ipfrag not supported on Windows, skipping test\n");
+ return TEST_SKIPPED;
+}
+
+#else
+
#include <rte_ip_frag.h>
#include <rte_mbuf.h>
#include <rte_memcpy.h>
#include <rte_random.h>
-#include "test.h"
-
#define NUM_MBUFS 128
#define BURST 32
}
static void
-v4_allocate_packet_of(struct rte_mbuf *b, int fill, size_t s, int df,
+v4_allocate_packet_of(struct rte_mbuf *b, int fill,
+ size_t s, int df, uint8_t mf, uint16_t off,
uint8_t ttl, uint8_t proto, uint16_t pktid)
{
/* Create a packet, 2k bytes long */
b->data_off = 0;
char *data = rte_pktmbuf_mtod(b, char *);
+ rte_be16_t fragment_offset = 0; /**< fragmentation offset */
memset(data, fill, sizeof(struct rte_ipv4_hdr) + s);
b->data_len = b->pkt_len;
hdr->total_length = rte_cpu_to_be_16(b->pkt_len);
hdr->packet_id = rte_cpu_to_be_16(pktid);
- hdr->fragment_offset = 0;
+
if (df)
- hdr->fragment_offset = rte_cpu_to_be_16(0x4000);
+ fragment_offset |= 0x4000;
+
+ if (mf)
+ fragment_offset |= 0x2000;
+
+ if (off)
+ fragment_offset |= off;
+
+ hdr->fragment_offset = rte_cpu_to_be_16(fragment_offset);
if (!ttl)
ttl = 64; /* default to 64 */
rte_pktmbuf_free(mb[i]);
}
+static inline void
+test_get_offset(struct rte_mbuf **mb, int32_t len,
+ uint16_t *offset, int ipv)
+{
+ int32_t i;
+
+ for (i = 0; i < len; i++) {
+ if (ipv == 4) {
+ struct rte_ipv4_hdr *iph =
+ rte_pktmbuf_mtod(mb[i], struct rte_ipv4_hdr *);
+ offset[i] = iph->fragment_offset;
+ } else if (ipv == 6) {
+ struct ipv6_extension_fragment *fh =
+ rte_pktmbuf_mtod_offset(
+ mb[i],
+ struct ipv6_extension_fragment *,
+ sizeof(struct rte_ipv6_hdr));
+ offset[i] = fh->frag_data;
+ }
+ }
+}
+
static int
test_ip_frag(void)
{
static const uint16_t RND_ID = UINT16_MAX;
int result = TEST_SUCCESS;
- size_t i;
+ size_t i, j;
struct test_ip_frags {
int ipv;
size_t mtu_size;
size_t pkt_size;
int set_df;
+ uint8_t set_mf;
+ uint16_t set_of;
uint8_t ttl;
uint8_t proto;
uint16_t pkt_id;
int expected_frags;
+ uint16_t expected_fragment_offset[BURST];
} tests[] = {
- {4, 1280, 1400, 0, 64, IPPROTO_ICMP, RND_ID, 2},
- {4, 1280, 1400, 0, 64, IPPROTO_ICMP, 0, 2},
- {4, 600, 1400, 0, 64, IPPROTO_ICMP, RND_ID, 3},
- {4, 4, 1400, 0, 64, IPPROTO_ICMP, RND_ID, -EINVAL},
- {4, 600, 1400, 1, 64, IPPROTO_ICMP, RND_ID, -ENOTSUP},
- {4, 600, 1400, 0, 0, IPPROTO_ICMP, RND_ID, 3},
-
- {6, 1280, 1400, 0, 64, IPPROTO_ICMP, RND_ID, 2},
- {6, 1300, 1400, 0, 64, IPPROTO_ICMP, RND_ID, 2},
- {6, 4, 1400, 0, 64, IPPROTO_ICMP, RND_ID, -EINVAL},
- {6, 1300, 1400, 0, 0, IPPROTO_ICMP, RND_ID, 2},
+ {4, 1280, 1400, 0, 0, 0, 64, IPPROTO_ICMP, RND_ID, 2,
+ {0x2000, 0x009D}},
+ {4, 1280, 1400, 0, 0, 0, 64, IPPROTO_ICMP, 0, 2,
+ {0x2000, 0x009D}},
+ {4, 600, 1400, 0, 0, 0, 64, IPPROTO_ICMP, RND_ID, 3,
+ {0x2000, 0x2048, 0x0090}},
+ {4, 4, 1400, 0, 0, 0, 64, IPPROTO_ICMP, RND_ID, -EINVAL},
+ {4, 600, 1400, 1, 0, 0, 64, IPPROTO_ICMP, RND_ID, -ENOTSUP},
+ {4, 600, 1400, 0, 0, 0, 0, IPPROTO_ICMP, RND_ID, 3,
+ {0x2000, 0x2048, 0x0090}},
+ {4, 68, 104, 0, 1, 13, 0, IPPROTO_ICMP, RND_ID, 3,
+ {0x200D, 0x2013, 0x2019}},
+
+ {6, 1280, 1400, 0, 0, 0, 64, IPPROTO_ICMP, RND_ID, 2,
+ {0x0001, 0x04D0}},
+ {6, 1300, 1400, 0, 0, 0, 64, IPPROTO_ICMP, RND_ID, 2,
+ {0x0001, 0x04E0}},
+ {6, 4, 1400, 0, 0, 0, 64, IPPROTO_ICMP, RND_ID, -EINVAL},
+ {6, 1300, 1400, 0, 0, 0, 0, IPPROTO_ICMP, RND_ID, 2,
+ {0x0001, 0x04E0}},
};
for (i = 0; i < RTE_DIM(tests); i++) {
int32_t len = 0;
+ uint16_t fragment_offset[BURST];
uint16_t pktid = tests[i].pkt_id;
struct rte_mbuf *pkts_out[BURST];
struct rte_mbuf *b = rte_pktmbuf_alloc(pkt_pool);
v4_allocate_packet_of(b, 0x41414141,
tests[i].pkt_size,
tests[i].set_df,
+ tests[i].set_mf,
+ tests[i].set_of,
tests[i].ttl,
tests[i].proto,
pktid);
rte_pktmbuf_free(b);
- if (len > 0)
+ if (len > 0) {
+ test_get_offset(pkts_out, len,
+ fragment_offset, tests[i].ipv);
test_free_fragments(pkts_out, len);
+ }
printf("%zd: checking %d with %d\n", i, len,
tests[i].expected_frags);
RTE_TEST_ASSERT_EQUAL(len, tests[i].expected_frags,
"Failed case %zd.\n", i);
+ if (len > 0) {
+ for (j = 0; j < (size_t)len; j++) {
+ printf("%zd-%zd: checking %d with %d\n",
+ i, j, fragment_offset[j],
+ rte_cpu_to_be_16(
+ tests[i].expected_fragment_offset[j]));
+ RTE_TEST_ASSERT_EQUAL(fragment_offset[j],
+ rte_cpu_to_be_16(
+ tests[i].expected_fragment_offset[j]),
+ "Failed case %zd.\n", i);
+ }
+ }
+
}
return result;
return unit_test_suite_runner(&ipfrag_testsuite);
}
+#endif /* !RTE_EXEC_ENV_WINDOWS */
+
REGISTER_TEST_COMMAND(ipfrag_autotest, test_ipfrag);
git.droids-corp.org / dpdk.git / blobdiff