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path: root/drivers/net/null/rte_eth_null.c
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Diffstat (limited to 'drivers/net/null/rte_eth_null.c')
-rw-r--r--drivers/net/null/rte_eth_null.c82
1 files changed, 50 insertions, 32 deletions
diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
index d003b283..244f8654 100644
--- a/drivers/net/null/rte_eth_null.c
+++ b/drivers/net/null/rte_eth_null.c
@@ -73,6 +73,7 @@ struct pmd_internals {
struct null_queue rx_null_queues[RTE_MAX_QUEUES_PER_PORT];
struct null_queue tx_null_queues[RTE_MAX_QUEUES_PER_PORT];
+ struct ether_addr eth_addr;
/** Bit mask of RSS offloads, the bit offset also means flow type */
uint64_t flow_type_rss_offloads;
@@ -84,16 +85,19 @@ struct pmd_internals {
uint8_t rss_key[40]; /**< 40-byte hash key. */
};
-
-
-static struct ether_addr eth_addr = { .addr_bytes = {0} };
static struct rte_eth_link pmd_link = {
.link_speed = ETH_SPEED_NUM_10G,
.link_duplex = ETH_LINK_FULL_DUPLEX,
.link_status = ETH_LINK_DOWN,
- .link_autoneg = ETH_LINK_AUTONEG,
+ .link_autoneg = ETH_LINK_FIXED,
};
+static int eth_null_logtype;
+
+#define PMD_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, eth_null_logtype, \
+ "%s(): " fmt "\n", __func__, ##args)
+
static uint16_t
eth_null_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
{
@@ -105,10 +109,10 @@ eth_null_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
return 0;
packet_size = h->internals->packet_size;
+ if (rte_pktmbuf_alloc_bulk(h->mb_pool, bufs, nb_bufs) != 0)
+ return 0;
+
for (i = 0; i < nb_bufs; i++) {
- bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
- if (!bufs[i])
- break;
bufs[i]->data_len = (uint16_t)packet_size;
bufs[i]->pkt_len = packet_size;
bufs[i]->port = h->internals->port_id;
@@ -130,10 +134,10 @@ eth_null_copy_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
return 0;
packet_size = h->internals->packet_size;
+ if (rte_pktmbuf_alloc_bulk(h->mb_pool, bufs, nb_bufs) != 0)
+ return 0;
+
for (i = 0; i < nb_bufs; i++) {
- bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
- if (!bufs[i])
- break;
rte_memcpy(rte_pktmbuf_mtod(bufs[i], void *), h->dummy_packet,
packet_size);
bufs[i]->data_len = (uint16_t)packet_size;
@@ -301,6 +305,7 @@ eth_dev_info(struct rte_eth_dev *dev,
dev_info->min_rx_bufsize = 0;
dev_info->reta_size = internals->reta_size;
dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
+ dev_info->rx_offload_capa = DEV_RX_OFFLOAD_CRC_STRIP;
}
static int
@@ -461,10 +466,11 @@ eth_rss_hash_conf_get(struct rte_eth_dev *dev,
return 0;
}
-static void
+static int
eth_mac_address_set(__rte_unused struct rte_eth_dev *dev,
__rte_unused struct ether_addr *addr)
{
+ return 0;
}
static const struct eth_dev_ops ops = {
@@ -496,7 +502,7 @@ eth_dev_null_create(struct rte_vdev_device *dev,
{
const unsigned nb_rx_queues = 1;
const unsigned nb_tx_queues = 1;
- struct rte_eth_dev_data *data = NULL;
+ struct rte_eth_dev_data *data;
struct pmd_internals *internals = NULL;
struct rte_eth_dev *eth_dev = NULL;
@@ -510,22 +516,12 @@ eth_dev_null_create(struct rte_vdev_device *dev,
if (dev->device.numa_node == SOCKET_ID_ANY)
dev->device.numa_node = rte_socket_id();
- RTE_LOG(INFO, PMD, "Creating null ethdev on numa socket %u\n",
- dev->device.numa_node);
-
- /* now do all data allocation - for eth_dev structure, dummy pci driver
- * and internal (private) data
- */
- data = rte_zmalloc_socket(rte_vdev_device_name(dev), sizeof(*data), 0,
+ PMD_LOG(INFO, "Creating null ethdev on numa socket %u",
dev->device.numa_node);
- if (!data)
- return -ENOMEM;
eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internals));
- if (!eth_dev) {
- rte_free(data);
+ if (!eth_dev)
return -ENOMEM;
- }
/* now put it all together
* - store queue data in internals,
@@ -540,19 +536,19 @@ eth_dev_null_create(struct rte_vdev_device *dev,
internals->packet_size = packet_size;
internals->packet_copy = packet_copy;
internals->port_id = eth_dev->data->port_id;
+ eth_random_addr(internals->eth_addr.addr_bytes);
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);
- rte_memcpy(data, eth_dev->data, sizeof(*data));
+ data = eth_dev->data;
data->nb_rx_queues = (uint16_t)nb_rx_queues;
data->nb_tx_queues = (uint16_t)nb_tx_queues;
data->dev_link = pmd_link;
- data->mac_addrs = &eth_addr;
+ data->mac_addrs = &internals->eth_addr;
- eth_dev->data = data;
eth_dev->dev_ops = &ops;
/* finally assign rx and tx ops */
@@ -564,6 +560,7 @@ eth_dev_null_create(struct rte_vdev_device *dev,
eth_dev->tx_pkt_burst = eth_null_tx;
}
+ rte_eth_dev_probing_finish(eth_dev);
return 0;
}
@@ -608,6 +605,7 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
unsigned packet_size = default_packet_size;
unsigned packet_copy = default_packet_copy;
struct rte_kvargs *kvlist = NULL;
+ struct rte_eth_dev *eth_dev;
int ret;
if (!dev)
@@ -615,7 +613,21 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
name = rte_vdev_device_name(dev);
params = rte_vdev_device_args(dev);
- RTE_LOG(INFO, PMD, "Initializing pmd_null for %s\n", name);
+ PMD_LOG(INFO, "Initializing pmd_null for %s", name);
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
+ strlen(params) == 0) {
+ eth_dev = rte_eth_dev_attach_secondary(name);
+ if (!eth_dev) {
+ PMD_LOG(ERR, "Failed to probe %s", name);
+ return -1;
+ }
+ /* TODO: request info from primary to set up Rx and Tx */
+ eth_dev->dev_ops = &ops;
+ eth_dev->device = &dev->device;
+ rte_eth_dev_probing_finish(eth_dev);
+ return 0;
+ }
if (params != NULL) {
kvlist = rte_kvargs_parse(params, valid_arguments);
@@ -641,8 +653,8 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
}
}
- RTE_LOG(INFO, PMD, "Configure pmd_null: packet size is %d, "
- "packet copy is %s\n", packet_size,
+ PMD_LOG(INFO, "Configure pmd_null: packet size is %d, "
+ "packet copy is %s", packet_size,
packet_copy ? "enabled" : "disabled");
ret = eth_dev_null_create(dev, packet_size, packet_copy);
@@ -661,7 +673,7 @@ rte_pmd_null_remove(struct rte_vdev_device *dev)
if (!dev)
return -EINVAL;
- RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n",
+ PMD_LOG(INFO, "Closing null ethdev on numa socket %u",
rte_socket_id());
/* find the ethdev entry */
@@ -670,7 +682,6 @@ rte_pmd_null_remove(struct rte_vdev_device *dev)
return -1;
rte_free(eth_dev->data->dev_private);
- rte_free(eth_dev->data);
rte_eth_dev_release_port(eth_dev);
@@ -687,3 +698,10 @@ RTE_PMD_REGISTER_ALIAS(net_null, eth_null);
RTE_PMD_REGISTER_PARAM_STRING(net_null,
"size=<int> "
"copy=<int>");
+
+RTE_INIT(eth_null_init_log)
+{
+ eth_null_logtype = rte_log_register("pmd.net.null");
+ if (eth_null_logtype >= 0)
+ rte_log_set_level(eth_null_logtype, RTE_LOG_NOTICE);
+}