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Diffstat (limited to 'lib/librte_ethdev/rte_ethdev.c')
-rw-r--r--lib/librte_ethdev/rte_ethdev.c463
1 files changed, 247 insertions, 216 deletions
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 4c320250..9d348138 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -36,11 +36,13 @@
#include <rte_spinlock.h>
#include <rte_string_fns.h>
#include <rte_kvargs.h>
+#include <rte_class.h>
#include "rte_ether.h"
#include "rte_ethdev.h"
#include "rte_ethdev_driver.h"
#include "ethdev_profile.h"
+#include "ethdev_private.h"
int rte_eth_dev_logtype;
@@ -122,11 +124,12 @@ static const struct {
RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
- RTE_RX_OFFLOAD_BIT2STR(CRC_STRIP),
RTE_RX_OFFLOAD_BIT2STR(SCATTER),
RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
RTE_RX_OFFLOAD_BIT2STR(SECURITY),
RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
+ RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
+ RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
};
#undef RTE_RX_OFFLOAD_BIT2STR
@@ -156,6 +159,10 @@ static const struct {
RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
RTE_TX_OFFLOAD_BIT2STR(SECURITY),
+ RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
+ RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
+ RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
+ RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
};
#undef RTE_TX_OFFLOAD_BIT2STR
@@ -180,6 +187,146 @@ enum {
STAT_QMAP_RX
};
+int __rte_experimental
+rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
+{
+ int ret;
+ struct rte_devargs devargs = {.args = NULL};
+ const char *bus_param_key;
+ char *bus_str = NULL;
+ char *cls_str = NULL;
+ int str_size;
+
+ memset(iter, 0, sizeof(*iter));
+
+ /*
+ * The devargs string may use various syntaxes:
+ * - 0000:08:00.0,representor=[1-3]
+ * - pci:0000:06:00.0,representor=[0,5]
+ * - class=eth,mac=00:11:22:33:44:55
+ * A new syntax is in development (not yet supported):
+ * - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
+ */
+
+ /*
+ * Handle pure class filter (i.e. without any bus-level argument),
+ * from future new syntax.
+ * rte_devargs_parse() is not yet supporting the new syntax,
+ * that's why this simple case is temporarily parsed here.
+ */
+#define iter_anybus_str "class=eth,"
+ if (strncmp(devargs_str, iter_anybus_str,
+ strlen(iter_anybus_str)) == 0) {
+ iter->cls_str = devargs_str + strlen(iter_anybus_str);
+ goto end;
+ }
+
+ /* Split bus, device and parameters. */
+ ret = rte_devargs_parse(&devargs, devargs_str);
+ if (ret != 0)
+ goto error;
+
+ /*
+ * Assume parameters of old syntax can match only at ethdev level.
+ * Extra parameters will be ignored, thanks to "+" prefix.
+ */
+ str_size = strlen(devargs.args) + 2;
+ cls_str = malloc(str_size);
+ if (cls_str == NULL) {
+ ret = -ENOMEM;
+ goto error;
+ }
+ ret = snprintf(cls_str, str_size, "+%s", devargs.args);
+ if (ret != str_size - 1) {
+ ret = -EINVAL;
+ goto error;
+ }
+ iter->cls_str = cls_str;
+ free(devargs.args); /* allocated by rte_devargs_parse() */
+ devargs.args = NULL;
+
+ iter->bus = devargs.bus;
+ if (iter->bus->dev_iterate == NULL) {
+ ret = -ENOTSUP;
+ goto error;
+ }
+
+ /* Convert bus args to new syntax for use with new API dev_iterate. */
+ if (strcmp(iter->bus->name, "vdev") == 0) {
+ bus_param_key = "name";
+ } else if (strcmp(iter->bus->name, "pci") == 0) {
+ bus_param_key = "addr";
+ } else {
+ ret = -ENOTSUP;
+ goto error;
+ }
+ str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
+ bus_str = malloc(str_size);
+ if (bus_str == NULL) {
+ ret = -ENOMEM;
+ goto error;
+ }
+ ret = snprintf(bus_str, str_size, "%s=%s",
+ bus_param_key, devargs.name);
+ if (ret != str_size - 1) {
+ ret = -EINVAL;
+ goto error;
+ }
+ iter->bus_str = bus_str;
+
+end:
+ iter->cls = rte_class_find_by_name("eth");
+ return 0;
+
+error:
+ if (ret == -ENOTSUP)
+ RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
+ iter->bus->name);
+ free(devargs.args);
+ free(bus_str);
+ free(cls_str);
+ return ret;
+}
+
+uint16_t __rte_experimental
+rte_eth_iterator_next(struct rte_dev_iterator *iter)
+{
+ if (iter->cls == NULL) /* invalid ethdev iterator */
+ return RTE_MAX_ETHPORTS;
+
+ do { /* loop to try all matching rte_device */
+ /* If not pure ethdev filter and */
+ if (iter->bus != NULL &&
+ /* not in middle of rte_eth_dev iteration, */
+ iter->class_device == NULL) {
+ /* get next rte_device to try. */
+ iter->device = iter->bus->dev_iterate(
+ iter->device, iter->bus_str, iter);
+ if (iter->device == NULL)
+ break; /* no more rte_device candidate */
+ }
+ /* A device is matching bus part, need to check ethdev part. */
+ iter->class_device = iter->cls->dev_iterate(
+ iter->class_device, iter->cls_str, iter);
+ if (iter->class_device != NULL)
+ return eth_dev_to_id(iter->class_device); /* match */
+ } while (iter->bus != NULL); /* need to try next rte_device */
+
+ /* No more ethdev port to iterate. */
+ rte_eth_iterator_cleanup(iter);
+ return RTE_MAX_ETHPORTS;
+}
+
+void __rte_experimental
+rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
+{
+ if (iter->bus_str == NULL)
+ return; /* nothing to free in pure class filter */
+ free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
+ free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
+ memset(iter, 0, sizeof(*iter));
+}
+
uint16_t
rte_eth_find_next(uint16_t port_id)
{
@@ -366,13 +513,22 @@ rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
rte_eth_dev_shared_data_prepare();
- _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_DESTROY, NULL);
+ if (eth_dev->state != RTE_ETH_DEV_UNUSED)
+ _rte_eth_dev_callback_process(eth_dev,
+ RTE_ETH_EVENT_DESTROY, NULL);
rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
eth_dev->state = RTE_ETH_DEV_UNUSED;
- memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ rte_free(eth_dev->data->rx_queues);
+ rte_free(eth_dev->data->tx_queues);
+ rte_free(eth_dev->data->mac_addrs);
+ rte_free(eth_dev->data->hash_mac_addrs);
+ rte_free(eth_dev->data->dev_private);
+ memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
+ }
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
@@ -393,11 +549,8 @@ static int
rte_eth_is_valid_owner_id(uint64_t owner_id)
{
if (owner_id == RTE_ETH_DEV_NO_OWNER ||
- rte_eth_dev_shared_data->next_owner_id <= owner_id) {
- RTE_ETHDEV_LOG(ERR, "Invalid owner_id=%016"PRIx64"\n",
- owner_id);
+ rte_eth_dev_shared_data->next_owner_id <= owner_id)
return 0;
- }
return 1;
}
@@ -444,8 +597,12 @@ _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
}
if (!rte_eth_is_valid_owner_id(new_owner->id) &&
- !rte_eth_is_valid_owner_id(old_owner_id))
+ !rte_eth_is_valid_owner_id(old_owner_id)) {
+ RTE_ETHDEV_LOG(ERR,
+ "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
+ old_owner_id, new_owner->id);
return -EINVAL;
+ }
port_owner = &rte_eth_devices[port_id].data->owner;
if (port_owner->id != old_owner_id) {
@@ -516,9 +673,13 @@ rte_eth_dev_owner_delete(const uint64_t owner_id)
if (rte_eth_devices[port_id].data->owner.id == owner_id)
memset(&rte_eth_devices[port_id].data->owner, 0,
sizeof(struct rte_eth_dev_owner));
- RTE_ETHDEV_LOG(ERR,
+ RTE_ETHDEV_LOG(NOTICE,
"All port owners owned by %016"PRIx64" identifier have removed\n",
owner_id);
+ } else {
+ RTE_ETHDEV_LOG(ERR,
+ "Invalid owner id=%016"PRIx64"\n",
+ owner_id);
}
rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
@@ -642,87 +803,6 @@ eth_err(uint16_t port_id, int ret)
return ret;
}
-/* attach the new device, then store port_id of the device */
-int
-rte_eth_dev_attach(const char *devargs, uint16_t *port_id)
-{
- int current = rte_eth_dev_count_total();
- struct rte_devargs da;
- int ret = -1;
-
- memset(&da, 0, sizeof(da));
-
- if ((devargs == NULL) || (port_id == NULL)) {
- ret = -EINVAL;
- goto err;
- }
-
- /* parse devargs */
- if (rte_devargs_parse(&da, devargs))
- goto err;
-
- ret = rte_eal_hotplug_add(da.bus->name, da.name, da.args);
- if (ret < 0)
- goto err;
-
- /* no point looking at the port count if no port exists */
- if (!rte_eth_dev_count_total()) {
- RTE_ETHDEV_LOG(ERR, "No port found for device (%s)\n", da.name);
- ret = -1;
- goto err;
- }
-
- /* if nothing happened, there is a bug here, since some driver told us
- * it did attach a device, but did not create a port.
- * FIXME: race condition in case of plug-out of another device
- */
- if (current == rte_eth_dev_count_total()) {
- ret = -1;
- goto err;
- }
-
- *port_id = eth_dev_last_created_port;
- ret = 0;
-
-err:
- free(da.args);
- return ret;
-}
-
-/* detach the device, then store the name of the device */
-int
-rte_eth_dev_detach(uint16_t port_id, char *name __rte_unused)
-{
- struct rte_device *dev;
- struct rte_bus *bus;
- uint32_t dev_flags;
- int ret = -1;
-
- RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
-
- dev_flags = rte_eth_devices[port_id].data->dev_flags;
- if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
- RTE_ETHDEV_LOG(ERR,
- "Port %"PRIu16" is bonded, cannot detach\n", port_id);
- return -ENOTSUP;
- }
-
- dev = rte_eth_devices[port_id].device;
- if (dev == NULL)
- return -EINVAL;
-
- bus = rte_bus_find_by_device(dev);
- if (bus == NULL)
- return -ENOENT;
-
- ret = rte_eal_hotplug_remove(bus->name, dev->name);
- if (ret < 0)
- return ret;
-
- rte_eth_dev_release_port(&rte_eth_devices[port_id]);
- return 0;
-}
-
static int
rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
{
@@ -974,7 +1054,7 @@ rte_eth_speed_bitflag(uint32_t speed, int duplex)
}
}
-const char * __rte_experimental
+const char *
rte_eth_dev_rx_offload_name(uint64_t offload)
{
const char *name = "UNKNOWN";
@@ -990,7 +1070,7 @@ rte_eth_dev_rx_offload_name(uint64_t offload)
return name;
}
-const char * __rte_experimental
+const char *
rte_eth_dev_tx_offload_name(uint64_t offload)
{
const char *name = "UNKNOWN";
@@ -1142,14 +1222,6 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
return -EINVAL;
}
- if ((local_conf.rxmode.offloads & DEV_RX_OFFLOAD_CRC_STRIP) &&
- (local_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)) {
- RTE_ETHDEV_LOG(ERR,
- "Port id=%u not allowed to set both CRC STRIP and KEEP CRC offload flags\n",
- port_id);
- return -EINVAL;
- }
-
/* Check that device supports requested rss hash functions. */
if ((dev_info.flow_type_rss_offloads |
dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
@@ -1191,9 +1263,9 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
}
/* Initialize Rx profiling if enabled at compilation time. */
- diag = __rte_eth_profile_rx_init(port_id, dev);
+ diag = __rte_eth_dev_profile_init(port_id, dev);
if (diag != 0) {
- RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_profile_rx_init = %d\n",
+ RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
port_id, diag);
rte_eth_dev_rx_queue_config(dev, 0);
rte_eth_dev_tx_queue_config(dev, 0);
@@ -1219,19 +1291,14 @@ _rte_eth_dev_reset(struct rte_eth_dev *dev)
}
static void
-rte_eth_dev_config_restore(uint16_t port_id)
+rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *dev_info)
{
- struct rte_eth_dev *dev;
- struct rte_eth_dev_info dev_info;
struct ether_addr *addr;
uint16_t i;
uint32_t pool = 0;
uint64_t pool_mask;
- dev = &rte_eth_devices[port_id];
-
- rte_eth_dev_info_get(port_id, &dev_info);
-
/* replay MAC address configuration including default MAC */
addr = &dev->data->mac_addrs[0];
if (*dev->dev_ops->mac_addr_set != NULL)
@@ -1240,7 +1307,7 @@ rte_eth_dev_config_restore(uint16_t port_id)
(*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
if (*dev->dev_ops->mac_addr_add != NULL) {
- for (i = 1; i < dev_info.max_mac_addrs; i++) {
+ for (i = 1; i < dev_info->max_mac_addrs; i++) {
addr = &dev->data->mac_addrs[i];
/* skip zero address */
@@ -1259,6 +1326,14 @@ rte_eth_dev_config_restore(uint16_t port_id)
} while (pool_mask);
}
}
+}
+
+static void
+rte_eth_dev_config_restore(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *dev_info, uint16_t port_id)
+{
+ if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
+ rte_eth_dev_mac_restore(dev, dev_info);
/* replay promiscuous configuration */
if (rte_eth_promiscuous_get(port_id) == 1)
@@ -1277,6 +1352,7 @@ int
rte_eth_dev_start(uint16_t port_id)
{
struct rte_eth_dev *dev;
+ struct rte_eth_dev_info dev_info;
int diag;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
@@ -1292,13 +1368,19 @@ rte_eth_dev_start(uint16_t port_id)
return 0;
}
+ rte_eth_dev_info_get(port_id, &dev_info);
+
+ /* Lets restore MAC now if device does not support live change */
+ if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
+ rte_eth_dev_mac_restore(dev, &dev_info);
+
diag = (*dev->dev_ops->dev_start)(dev);
if (diag == 0)
dev->data->dev_started = 1;
else
return eth_err(port_id, diag);
- rte_eth_dev_config_restore(port_id);
+ rte_eth_dev_config_restore(dev, &dev_info, port_id);
if (dev->data->dev_conf.intr_conf.lsc == 0) {
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
@@ -1366,6 +1448,16 @@ rte_eth_dev_close(uint16_t port_id)
dev->data->dev_started = 0;
(*dev->dev_ops->dev_close)(dev);
+ /* check behaviour flag - temporary for PMD migration */
+ if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
+ /* new behaviour: send event + reset state + free all data */
+ rte_eth_dev_release_port(dev);
+ return;
+ }
+ RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
+ "The driver %s should migrate to the new behaviour.\n",
+ dev->device->driver->name);
+ /* old behaviour: only free queue arrays */
dev->data->nb_rx_queues = 0;
rte_free(dev->data->rx_queues);
dev->data->rx_queues = NULL;
@@ -3425,6 +3517,43 @@ rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
return 0;
}
+int __rte_experimental
+rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
+{
+ struct rte_intr_handle *intr_handle;
+ struct rte_eth_dev *dev;
+ unsigned int efd_idx;
+ uint32_t vec;
+ int fd;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
+
+ dev = &rte_eth_devices[port_id];
+
+ if (queue_id >= dev->data->nb_rx_queues) {
+ RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
+ return -1;
+ }
+
+ if (!dev->intr_handle) {
+ RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
+ return -1;
+ }
+
+ intr_handle = dev->intr_handle;
+ if (!intr_handle->intr_vec) {
+ RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
+ return -1;
+ }
+
+ vec = intr_handle->intr_vec[queue_id];
+ efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
+ (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
+ fd = intr_handle->efds[efd_idx];
+
+ return fd;
+}
+
const struct rte_memzone *
rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
uint16_t queue_id, size_t size, unsigned align,
@@ -3433,9 +3562,8 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
char z_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
- snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
- dev->device->driver->name, ring_name,
- dev->data->port_id, queue_id);
+ snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
+ dev->data->port_id, queue_id, ring_name);
mz = rte_memzone_lookup(z_name);
if (mz)
@@ -3459,10 +3587,8 @@ rte_eth_dev_create(struct rte_device *device, const char *name,
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
ethdev = rte_eth_dev_allocate(name);
- if (!ethdev) {
- retval = -ENODEV;
- goto probe_failed;
- }
+ if (!ethdev)
+ return -ENODEV;
if (priv_data_size) {
ethdev->data->dev_private = rte_zmalloc_socket(
@@ -3480,8 +3606,7 @@ rte_eth_dev_create(struct rte_device *device, const char *name,
if (!ethdev) {
RTE_LOG(ERR, EAL, "secondary process attach failed, "
"ethdev doesn't exist");
- retval = -ENODEV;
- goto probe_failed;
+ return -ENODEV;
}
}
@@ -3505,13 +3630,9 @@ rte_eth_dev_create(struct rte_device *device, const char *name,
rte_eth_dev_probing_finish(ethdev);
return retval;
-probe_failed:
- /* free ports private data if primary process */
- if (rte_eal_process_type() == RTE_PROC_PRIMARY)
- rte_free(ethdev->data->dev_private);
+probe_failed:
rte_eth_dev_release_port(ethdev);
-
return retval;
}
@@ -3532,11 +3653,6 @@ rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
return ret;
}
- if (rte_eal_process_type() == RTE_PROC_PRIMARY)
- rte_free(ethdev->data->dev_private);
-
- ethdev->data->dev_private = NULL;
-
return rte_eth_dev_release_port(ethdev);
}
@@ -4195,7 +4311,7 @@ enum rte_eth_switch_domain_state {
* RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
* ethdev ports in a single process.
*/
-struct rte_eth_dev_switch {
+static struct rte_eth_dev_switch {
enum rte_eth_switch_domain_state state;
} rte_eth_switch_domains[RTE_MAX_ETHPORTS];
@@ -4236,8 +4352,6 @@ rte_eth_switch_domain_free(uint16_t domain_id)
return 0;
}
-typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
-
static int
rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
{
@@ -4302,89 +4416,6 @@ rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
}
}
-static int
-rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
- void *data)
-{
- char *str_start;
- int state;
- int result;
-
- if (*str != '[')
- /* Single element, not a list */
- return callback(str, data);
-
- /* Sanity check, then strip the brackets */
- str_start = &str[strlen(str) - 1];
- if (*str_start != ']') {
- RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
- return -EINVAL;
- }
- str++;
- *str_start = '\0';
-
- /* Process list elements */
- state = 0;
- while (1) {
- if (state == 0) {
- if (*str == '\0')
- break;
- if (*str != ',') {
- str_start = str;
- state = 1;
- }
- } else if (state == 1) {
- if (*str == ',' || *str == '\0') {
- if (str > str_start) {
- /* Non-empty string fragment */
- *str = '\0';
- result = callback(str_start, data);
- if (result < 0)
- return result;
- }
- state = 0;
- }
- }
- str++;
- }
- return 0;
-}
-
-static int
-rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
- const uint16_t max_list)
-{
- uint16_t lo, hi, val;
- int result;
-
- result = sscanf(str, "%hu-%hu", &lo, &hi);
- if (result == 1) {
- if (*len_list >= max_list)
- return -ENOMEM;
- list[(*len_list)++] = lo;
- } else if (result == 2) {
- if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
- return -EINVAL;
- for (val = lo; val <= hi; val++) {
- if (*len_list >= max_list)
- return -ENOMEM;
- list[(*len_list)++] = val;
- }
- } else
- return -EINVAL;
- return 0;
-}
-
-
-static int
-rte_eth_devargs_parse_representor_ports(char *str, void *data)
-{
- struct rte_eth_devargs *eth_da = data;
-
- return rte_eth_devargs_process_range(str, eth_da->representor_ports,
- &eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
-}
-
int __rte_experimental
rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
{