X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fnull%2Frte_eth_null.c;h=77fc98838b84c9a4e5ecf772701bed29dc57291a;hb=6069d815bc4dd73e82396a607882fe8395e592ed;hp=236d9982cd720e6b2e501cfd5073faff29de989a;hpb=ca5752795fbde3ddff09b7f1a2264aa3c279afb0;p=dpdk.git diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c index 236d9982cd..77fc98838b 100644 --- a/drivers/net/null/rte_eth_null.c +++ b/drivers/net/null/rte_eth_null.c @@ -37,6 +37,7 @@ #include #include #include +#include #include "rte_eth_null.h" @@ -75,6 +76,17 @@ 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]; + + /** 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. */ }; @@ -295,6 +307,8 @@ eth_dev_info(struct rte_eth_dev *dev, 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 @@ -352,13 +366,6 @@ eth_stats_reset(struct rte_eth_dev *dev) } } -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) { @@ -375,6 +382,91 @@ static int 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, @@ -387,6 +479,10 @@ static const struct eth_dev_ops ops = { .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 }; int @@ -398,10 +494,16 @@ eth_dev_null_create(const char *name, 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; @@ -415,10 +517,6 @@ eth_dev_null_create(const char *name, 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; @@ -430,8 +528,8 @@ eth_dev_null_create(const char *name, /* 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 @@ -443,8 +541,10 @@ eth_dev_null_create(const char *name, 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; @@ -456,10 +556,15 @@ eth_dev_null_create(const char *name, 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; @@ -473,7 +578,6 @@ eth_dev_null_create(const char *name, error: rte_free(data); - rte_free(pci_dev); rte_free(internals); return -1; @@ -576,14 +680,13 @@ rte_pmd_null_devuninit(const char *name) 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);