/* Try connecting and sending a hello packet that has its length field as 0,
* which should fail with EPROTO. */
static void
test_send_short_hello(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct ofp_header hello;
memset(&hello, 0, sizeof hello);
test_send_hello(type, &hello, sizeof hello, EPROTO);
}
/* Try connecting and sending a hello packet that has its length field as 0,
* which should fail with EPROTO. */
static void
test_send_short_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofp_header hello;
memset(&hello, 0, sizeof hello);
test_send_hello(type, &hello, sizeof hello, EPROTO);
}
/* Try connecting and sending an echo request instead of a hello, which should
* fail with EPROTO. */
static void
test_send_echo_hello(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct ofpbuf *echo;
echo = ofpraw_alloc_xid(OFPRAW_OFPT_ECHO_REQUEST, OFP13_VERSION,
htonl(0x12345678), 0);
test_send_hello(type, echo->data, echo->size, EPROTO);
ofpbuf_delete(echo);
}
/* Try connecting and sending a normal hello, which should succeed. */
static void
test_send_plain_hello(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct ofpbuf *hello;
hello = ofpraw_alloc_xid(OFPRAW_OFPT_HELLO, OFP13_VERSION,
htonl(0x12345678), 0);
test_send_hello(type, hello->data, hello->size, 0);
ofpbuf_delete(hello);
}
/* Try connecting and sending an echo request instead of a hello, which should
* fail with EPROTO. */
static void
test_send_echo_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofpbuf *echo;
echo = ofpraw_alloc_xid(OFPRAW_OFPT_ECHO_REQUEST, OFP13_VERSION,
htonl(0x12345678), 0);
test_send_hello(type, ofpbuf_data(echo), ofpbuf_size(echo), EPROTO);
ofpbuf_delete(echo);
}
/* Try connecting and sending a normal hello, which should succeed. */
static void
test_send_plain_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofpbuf *hello;
hello = ofpraw_alloc_xid(OFPRAW_OFPT_HELLO, OFP13_VERSION,
htonl(0x12345678), 0);
test_send_hello(type, ofpbuf_data(hello), ofpbuf_size(hello), 0);
ofpbuf_delete(hello);
}
/* Try connecting and sending a hello packet that has a bad version, which
* should fail with EPROTO. */
static void
test_send_invalid_version_hello(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct ofpbuf *hello;
hello = ofpraw_alloc_xid(OFPRAW_OFPT_HELLO, OFP13_VERSION,
htonl(0x12345678), 0);
((struct ofp_header *) hello->data)->version = 0;
test_send_hello(type, hello->data, hello->size, EPROTO);
ofpbuf_delete(hello);
}
/* Try connecting and sending a hello packet that has a bad version, which
* should fail with EPROTO. */
static void
test_send_invalid_version_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofpbuf *hello;
hello = ofpraw_alloc_xid(OFPRAW_OFPT_HELLO, OFP13_VERSION,
htonl(0x12345678), 0);
((struct ofp_header *) ofpbuf_data(hello))->version = 0;
test_send_hello(type, ofpbuf_data(hello), ofpbuf_size(hello), EPROTO);
ofpbuf_delete(hello);
}
/* Try connecting and sending a hello packet that has a bad version, which
* should fail with EPROTO. */
static void
test_send_invalid_version_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofp_header hello;
hello.version = OFP10_VERSION - 1;
hello.type = OFPT_HELLO;
hello.length = htons(sizeof hello);
hello.xid = htonl(0x12345678);
test_send_hello(type, &hello, sizeof hello, EPROTO);
}
/* Try connecting and sending an echo request instead of a hello, which should
* fail with EPROTO. */
static void
test_send_echo_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofp_header echo;
echo.version = OFP10_VERSION;
echo.type = OFPT_ECHO_REQUEST;
echo.length = htons(sizeof echo);
echo.xid = htonl(0x89abcdef);
test_send_hello(type, &echo, sizeof echo, EPROTO);
}
/* Try connecting and sending an extra-long hello, which should succeed (since
* the specification says that implementations must accept and ignore extra
* data). */
static void
test_send_long_hello(struct ovs_cmdl_context *ctx)
{
const char *type = ctx->argv[1];
struct ofpbuf *hello;
enum { EXTRA_BYTES = 8 };
hello = ofpraw_alloc_xid(OFPRAW_OFPT_HELLO, OFP13_VERSION,
htonl(0x12345678), EXTRA_BYTES);
ofpbuf_put_zeros(hello, EXTRA_BYTES);
ofpmsg_update_length(hello);
test_send_hello(type, hello->data, hello->size, 0);
ofpbuf_delete(hello);
}
/* Try connecting and sending an extra-long hello, which should succeed (since
* the specification says that implementations must accept and ignore extra
* data). */
static void
test_send_long_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofpbuf *hello;
enum { EXTRA_BYTES = 8 };
hello = ofpraw_alloc_xid(OFPRAW_OFPT_HELLO, OFP13_VERSION,
htonl(0x12345678), EXTRA_BYTES);
ofpbuf_put_zeros(hello, EXTRA_BYTES);
ofpmsg_update_length(hello);
test_send_hello(type, ofpbuf_data(hello), ofpbuf_size(hello), 0);
ofpbuf_delete(hello);
}
/* Try connecting and sending an extra-long hello, which should succeed (since
* the specification says that implementations must accept and ignore extra
* data). */
static void
test_send_long_hello(int argc OVS_UNUSED, char *argv[])
{
const char *type = argv[1];
struct ofp_header hello;
char buffer[sizeof hello * 2];
hello.version = OFP10_VERSION;
hello.type = OFPT_HELLO;
hello.length = htons(sizeof buffer);
hello.xid = htonl(0x12345678);
memset(buffer, 0, sizeof buffer);
memcpy(buffer, &hello, sizeof hello);
test_send_hello(type, buffer, sizeof buffer, 0);
}