#include <rte_memcpy.h>
#include <rte_dev.h>
#include <rte_kvargs.h>
+#include <rte_spinlock.h>
+
+#include "rte_eth_null.h"
#define ETH_NULL_PACKET_SIZE_ARG "size"
#define ETH_NULL_PACKET_COPY_ARG "copy"
struct null_queue rx_null_queues[RTE_MAX_QUEUES_PER_PORT];
struct null_queue tx_null_queues[RTE_MAX_QUEUES_PER_PORT];
+
+ /** Bit mask of RSS offloads, the bit offset also means flow type */
+ uint64_t flow_type_rss_offloads;
+
+ rte_spinlock_t rss_lock;
+
+ uint16_t reta_size;
+ struct rte_eth_rss_reta_entry64 reta_conf[ETH_RSS_RETA_SIZE_128 /
+ RTE_RETA_GROUP_SIZE];
+
+ uint8_t rss_key[40]; /**< 40-byte hash key. */
};
dev_info->max_tx_queues = RTE_DIM(internals->tx_null_queues);
dev_info->min_rx_bufsize = 0;
dev_info->pci_dev = NULL;
+ dev_info->reta_size = internals->reta_size;
+ dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
}
static void
}
}
-static struct eth_driver rte_null_pmd = {
- .pci_drv = {
- .name = "rte_null_pmd",
- .drv_flags = RTE_PCI_DRV_DETACHABLE,
- },
-};
-
static void
eth_queue_release(void *q)
{
eth_link_update(struct rte_eth_dev *dev __rte_unused,
int wait_to_complete __rte_unused) { return 0; }
+static int
+eth_rss_reta_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
+{
+ int i, j;
+ struct pmd_internals *internal = dev->data->dev_private;
+
+ if (reta_size != internal->reta_size)
+ return -EINVAL;
+
+ rte_spinlock_lock(&internal->rss_lock);
+
+ /* Copy RETA table */
+ for (i = 0; i < (internal->reta_size / RTE_RETA_GROUP_SIZE); i++) {
+ internal->reta_conf[i].mask = reta_conf[i].mask;
+ for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
+ if ((reta_conf[i].mask >> j) & 0x01)
+ internal->reta_conf[i].reta[j] = reta_conf[i].reta[j];
+ }
+
+ rte_spinlock_unlock(&internal->rss_lock);
+
+ return 0;
+}
+
+static int
+eth_rss_reta_query(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
+{
+ int i, j;
+ struct pmd_internals *internal = dev->data->dev_private;
+
+ if (reta_size != internal->reta_size)
+ return -EINVAL;
+
+ rte_spinlock_lock(&internal->rss_lock);
+
+ /* Copy RETA table */
+ for (i = 0; i < (internal->reta_size / RTE_RETA_GROUP_SIZE); i++) {
+ for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
+ if ((reta_conf[i].mask >> j) & 0x01)
+ reta_conf[i].reta[j] = internal->reta_conf[i].reta[j];
+ }
+
+ rte_spinlock_unlock(&internal->rss_lock);
+
+ return 0;
+}
+
+static int
+eth_rss_hash_update(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf)
+{
+ struct pmd_internals *internal = dev->data->dev_private;
+
+ rte_spinlock_lock(&internal->rss_lock);
+
+ if ((rss_conf->rss_hf & internal->flow_type_rss_offloads) != 0)
+ dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
+ rss_conf->rss_hf & internal->flow_type_rss_offloads;
+
+ if (rss_conf->rss_key)
+ rte_memcpy(internal->rss_key, rss_conf->rss_key, 40);
+
+ rte_spinlock_unlock(&internal->rss_lock);
+
+ return 0;
+}
+
+static int
+eth_rss_hash_conf_get(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct pmd_internals *internal = dev->data->dev_private;
+
+ rte_spinlock_lock(&internal->rss_lock);
+
+ rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
+ if (rss_conf->rss_key)
+ rte_memcpy(rss_conf->rss_key, internal->rss_key, 40);
+
+ rte_spinlock_unlock(&internal->rss_lock);
+
+ return 0;
+}
+
static const struct eth_dev_ops ops = {
.dev_start = eth_dev_start,
.dev_stop = eth_dev_stop,
.link_update = eth_link_update,
.stats_get = eth_stats_get,
.stats_reset = eth_stats_reset,
+ .reta_update = eth_rss_reta_update,
+ .reta_query = eth_rss_reta_query,
+ .rss_hash_update = eth_rss_hash_update,
+ .rss_hash_conf_get = eth_rss_hash_conf_get
};
-static int
+int
eth_dev_null_create(const char *name,
const unsigned numa_node,
unsigned packet_size,
const unsigned nb_rx_queues = 1;
const unsigned nb_tx_queues = 1;
struct rte_eth_dev_data *data = NULL;
- struct rte_pci_device *pci_dev = NULL;
struct pmd_internals *internals = NULL;
struct rte_eth_dev *eth_dev = NULL;
+ static const uint8_t default_rss_key[40] = {
+ 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D,
+ 0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
+ 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B,
+ 0xBE, 0xAC, 0x01, 0xFA
+ };
+
if (name == NULL)
return -EINVAL;
if (data == NULL)
goto error;
- pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, numa_node);
- if (pci_dev == NULL)
- goto error;
-
internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
if (internals == NULL)
goto error;
/* now put it all together
* - store queue data in internals,
- * - store numa_node info in pci_driver
- * - point eth_dev_data to internals and pci_driver
+ * - store numa_node info in ethdev data
+ * - point eth_dev_data to internals
* - and point eth_dev structure to new eth_dev_data structure
*/
/* NOTE: we'll replace the data element, of originally allocated eth_dev
internals->packet_copy = packet_copy;
internals->numa_node = numa_node;
- pci_dev->numa_node = numa_node;
- pci_dev->driver = &rte_null_pmd.pci_drv;
+ internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
+ internals->reta_size = RTE_DIM(internals->reta_conf) * RTE_RETA_GROUP_SIZE;
+
+ rte_memcpy(internals->rss_key, default_rss_key, 40);
data->dev_private = internals;
data->port_id = eth_dev->data->port_id;
eth_dev->data = data;
eth_dev->dev_ops = &ops;
- eth_dev->pci_dev = pci_dev;
- eth_dev->driver = &rte_null_pmd;
+
TAILQ_INIT(ð_dev->link_intr_cbs);
+ eth_dev->driver = NULL;
+ eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
+ eth_dev->data->kdrv = RTE_KDRV_NONE;
+ eth_dev->data->drv_name = drivername;
+ eth_dev->data->numa_node = numa_node;
+
/* finally assign rx and tx ops */
if (packet_copy) {
eth_dev->rx_pkt_burst = eth_null_copy_rx;
error:
rte_free(data);
- rte_free(pci_dev);
rte_free(internals);
return -1;
RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n",
rte_socket_id());
- /* reserve an ethdev entry */
+ /* find the ethdev entry */
eth_dev = rte_eth_dev_allocated(name);
if (eth_dev == NULL)
return -1;
rte_free(eth_dev->data->dev_private);
rte_free(eth_dev->data);
- rte_free(eth_dev->pci_dev);
rte_eth_dev_release_port(eth_dev);
git.droids-corp.org / dpdk.git / blobdiff