def gen_match_conversions(out=sys.stdout):
match.match_sanity_check()
out.write("""
/**
* @brief Return the index (used as the WC field in 1.0 match) given the mask
*/
int
of_ip_mask_to_index(uint32_t mask)
{
int idx;
uint32_t cmask;
/* Handle most common cases directly */
if (mask == 0) {
return 63;
}
if (mask == 0xffffffff) {
return 0;
}
if ((~mask + 1) & ~mask) {
LOCI_LOG_INFO("OF 1.0: Could not map IP addr mask 0x%x", mask);
return 63;
}
idx = 0;
cmask = ~mask;
while (cmask) {
cmask >>= 1;
idx += 1;
}
return idx;
}
/**
* @brief Return the mask for the given index
*/
uint32_t
of_ip_index_to_mask(int index)
{
if (index >= 32) {
return 0;
} else {
return 0xffffffff << index;
}
}
""")
gen_unified_match_to_v1(out)
gen_unified_match_to_v2(out)
gen_unified_match_to_v3(out)
gen_v1_to_unified_match(out)
gen_v2_to_unified_match(out)
gen_v3_to_unified_match(out)
def gen_match_conversions(out=sys.stdout):
match.match_sanity_check()
out.write("""
/**
* @brief Return the index (used as the WC field in 1.0 match) given the mask
*/
int
of_ip_mask_to_index(uint32_t mask)
{
int idx;
uint32_t cmask;
/* Handle most common cases directly */
if (mask == 0) {
return 63;
}
if (mask == 0xffffffff) {
return 0;
}
if ((~mask + 1) & ~mask) {
LOCI_LOG_INFO("OF 1.0: Could not map IP addr mask 0x%x", mask);
return 63;
}
idx = 0;
cmask = ~mask;
while (cmask) {
cmask >>= 1;
idx += 1;
}
return idx;
}
/**
* @brief Return the mask for the given index
*/
uint32_t
of_ip_index_to_mask(int index)
{
if (index >= 32) {
return 0;
} else {
return 0xffffffff << index;
}
}
""")
gen_unified_match_to_v1(out)
gen_unified_match_to_v2(out)
gen_unified_match_to_v3(out)
gen_v1_to_unified_match(out)
gen_v2_to_unified_match(out)
gen_v3_to_unified_match(out)
def gen_match_conversions(out=sys.stdout):
match.match_sanity_check()
gen_wc_convert_literal(out)
out.write("""
/**
* IP Mask map. IP maks wildcards from OF 1.0 are interpretted as
* indices into the map below.
*/
int of_ip_mask_map_init_done = 0;
uint32_t of_ip_mask_map[OF_IP_MASK_MAP_COUNT];
void
of_ip_mask_map_init(void)
{
int idx;
MEMSET(of_ip_mask_map, 0, sizeof(of_ip_mask_map));
for (idx = 0; idx < 32; idx++) {
of_ip_mask_map[idx] = ~((1U << idx) - 1);
}
of_ip_mask_map_init_done = 1;
}
/**
* @brief Set non-default IP mask for given index
*/
int
of_ip_mask_map_set(int index, uint32_t mask)
{
OF_IP_MASK_INIT_CHECK;
if ((index < 0) || (index >= OF_IP_MASK_MAP_COUNT)) {
return OF_ERROR_RANGE;
}
of_ip_mask_map[index] = mask;
return OF_ERROR_NONE;
}
/**
* @brief Get a non-default IP mask for given index
*/
int
of_ip_mask_map_get(int index, uint32_t *mask)
{
OF_IP_MASK_INIT_CHECK;
if ((mask == NULL) || (index < 0) || (index >= OF_IP_MASK_MAP_COUNT)) {
return OF_ERROR_RANGE;
}
*mask = of_ip_mask_map[index];
return OF_ERROR_NONE;
}
/**
* @brief Return the index (used as the WC field in 1.0 match) given the mask
*/
int
of_ip_mask_to_index(uint32_t mask)
{
int idx;
OF_IP_MASK_INIT_CHECK;
/* Handle most common cases directly */
if ((mask == 0) && (of_ip_mask_map[63] == 0)) {
return 63;
}
if ((mask == 0xffffffff) && (of_ip_mask_map[0] == 0xffffffff)) {
return 0;
}
for (idx = 0; idx < OF_IP_MASK_MAP_COUNT; idx++) {
if (mask == of_ip_mask_map[idx]) {
return idx;
}
}
LOCI_LOG_INFO("OF 1.0: Could not map IP addr mask 0x%x", mask);
return 0x3f;
}
/**
* @brief Return the mask for the given index
*/
uint32_t
of_ip_index_to_mask(int index)
{
OF_IP_MASK_INIT_CHECK;
if (index >= OF_IP_MASK_MAP_COUNT) {
LOCI_LOG_INFO("IP index to map: bad index %d", index);
return 0;
}
return of_ip_mask_map[index];
}
""")
gen_unified_match_to_v1(out)
gen_unified_match_to_v2(out)
gen_unified_match_to_v3(out)
gen_v1_to_unified_match(out)
gen_v2_to_unified_match(out)
gen_v3_to_unified_match(out)
return
def gen_match_conversions(out=sys.stdout):
match.match_sanity_check()
gen_wc_convert_literal(out)
out.write("""
/**
* IP Mask map. IP maks wildcards from OF 1.0 are interpretted as
* indices into the map below.
*/
int of_ip_mask_map_init_done = 0;
uint32_t of_ip_mask_map[OF_IP_MASK_MAP_COUNT];
void
of_ip_mask_map_init(void)
{
int idx;
MEMSET(of_ip_mask_map, 0, sizeof(of_ip_mask_map));
for (idx = 0; idx < 32; idx++) {
of_ip_mask_map[idx] = ~((1U << idx) - 1);
}
of_ip_mask_map_init_done = 1;
}
/**
* @brief Set non-default IP mask for given index
*/
int
of_ip_mask_map_set(int index, uint32_t mask)
{
OF_IP_MASK_INIT_CHECK;
if ((index < 0) || (index >= OF_IP_MASK_MAP_COUNT)) {
return OF_ERROR_RANGE;
}
of_ip_mask_map[index] = mask;
return OF_ERROR_NONE;
}
/**
* @brief Get a non-default IP mask for given index
*/
int
of_ip_mask_map_get(int index, uint32_t *mask)
{
OF_IP_MASK_INIT_CHECK;
if ((mask == NULL) || (index < 0) || (index >= OF_IP_MASK_MAP_COUNT)) {
return OF_ERROR_RANGE;
}
*mask = of_ip_mask_map[index];
return OF_ERROR_NONE;
}
/**
* @brief Return the index (used as the WC field in 1.0 match) given the mask
*/
int
of_ip_mask_to_index(uint32_t mask)
{
int idx;
OF_IP_MASK_INIT_CHECK;
/* Handle most common cases directly */
if ((mask == 0) && (of_ip_mask_map[63] == 0)) {
return 63;
}
if ((mask == 0xffffffff) && (of_ip_mask_map[0] == 0xffffffff)) {
return 0;
}
for (idx = 0; idx < OF_IP_MASK_MAP_COUNT; idx++) {
if (mask == of_ip_mask_map[idx]) {
return idx;
}
}
LOCI_LOG_INFO("OF 1.0: Could not map IP addr mask 0x%x", mask);
return 0x3f;
}
/**
* @brief Return the mask for the given index
*/
uint32_t
of_ip_index_to_mask(int index)
{
OF_IP_MASK_INIT_CHECK;
if (index >= OF_IP_MASK_MAP_COUNT) {
LOCI_LOG_INFO("IP index to map: bad index %d", index);
return 0;
}
return of_ip_mask_map[index];
}
""")
gen_unified_match_to_v1(out)
gen_unified_match_to_v2(out)
gen_unified_match_to_v3(out)
gen_v1_to_unified_match(out)
gen_v2_to_unified_match(out)
gen_v3_to_unified_match(out)
return
