Exemple #1
0
/*
 * Allocates a completion ring with vmem and stats optionally also allocating
 * a TX and/or RX ring.  Passing NULL as tx_ring_info and/or rx_ring_info
 * to not allocate them.
 *
 * Order in the allocation is:
 * stats - Always non-zero length
 * cp vmem - Always zero-length, supported for the bnxt_ring abstraction
 * tx vmem - Only non-zero length if tx_ring_info is not NULL
 * rx vmem - Only non-zero length if rx_ring_info is not NULL
 * cp bd ring - Always non-zero length
 * tx bd ring - Only non-zero length if tx_ring_info is not NULL
 * rx bd ring - Only non-zero length if rx_ring_info is not NULL
 */
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
			    struct bnxt_tx_ring_info *tx_ring_info,
			    struct bnxt_rx_ring_info *rx_ring_info,
			    struct bnxt_cp_ring_info *cp_ring_info,
			    const char *suffix)
{
	struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct;
	struct bnxt_ring *tx_ring;
	struct bnxt_ring *rx_ring;
	struct rte_pci_device *pdev = bp->pdev;
	const struct rte_memzone *mz = NULL;
	char mz_name[RTE_MEMZONE_NAMESIZE];
	rte_iova_t mz_phys_addr;
	int sz;

	int stats_len = (tx_ring_info || rx_ring_info) ?
	    RTE_CACHE_LINE_ROUNDUP(sizeof(struct ctx_hw_stats64)) : 0;

	int cp_vmem_start = stats_len;
	int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size);

	int tx_vmem_start = cp_vmem_start + cp_vmem_len;
	int tx_vmem_len =
	    tx_ring_info ? RTE_CACHE_LINE_ROUNDUP(tx_ring_info->
						tx_ring_struct->vmem_size) : 0;

	int rx_vmem_start = tx_vmem_start + tx_vmem_len;
	int rx_vmem_len = rx_ring_info ?
		RTE_CACHE_LINE_ROUNDUP(rx_ring_info->
						rx_ring_struct->vmem_size) : 0;
	int ag_vmem_start = 0;
	int ag_vmem_len = 0;
	int cp_ring_start =  0;

	ag_vmem_start = rx_vmem_start + rx_vmem_len;
	ag_vmem_len = rx_ring_info ? RTE_CACHE_LINE_ROUNDUP(
				rx_ring_info->ag_ring_struct->vmem_size) : 0;
	cp_ring_start = ag_vmem_start + ag_vmem_len;

	int cp_ring_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->ring_size *
						 sizeof(struct cmpl_base));

	int tx_ring_start = cp_ring_start + cp_ring_len;
	int tx_ring_len = tx_ring_info ?
	    RTE_CACHE_LINE_ROUNDUP(tx_ring_info->tx_ring_struct->ring_size *
				   sizeof(struct tx_bd_long)) : 0;

	int rx_ring_start = tx_ring_start + tx_ring_len;
	int rx_ring_len =  rx_ring_info ?
		RTE_CACHE_LINE_ROUNDUP(rx_ring_info->rx_ring_struct->ring_size *
		sizeof(struct rx_prod_pkt_bd)) : 0;

	int ag_ring_start = rx_ring_start + rx_ring_len;
	int ag_ring_len = rx_ring_len * AGG_RING_SIZE_FACTOR;

	int ag_bitmap_start = ag_ring_start + ag_ring_len;
	int ag_bitmap_len =  rx_ring_info ?
		RTE_CACHE_LINE_ROUNDUP(rte_bitmap_get_memory_footprint(
			rx_ring_info->rx_ring_struct->ring_size *
			AGG_RING_SIZE_FACTOR)) : 0;

	int tpa_info_start = ag_bitmap_start + ag_bitmap_len;
	int tpa_info_len = rx_ring_info ?
		RTE_CACHE_LINE_ROUNDUP(BNXT_TPA_MAX *
				       sizeof(struct bnxt_tpa_info)) : 0;

	int total_alloc_len = tpa_info_start;
	if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
		total_alloc_len += tpa_info_len;

	snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
		 "bnxt_%04x:%02x:%02x:%02x-%04x_%s", pdev->addr.domain,
		 pdev->addr.bus, pdev->addr.devid, pdev->addr.function, qidx,
		 suffix);
	mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
	mz = rte_memzone_lookup(mz_name);
	if (!mz) {
		mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len,
					 SOCKET_ID_ANY,
					 RTE_MEMZONE_2MB |
					 RTE_MEMZONE_SIZE_HINT_ONLY,
					 getpagesize());
		if (mz == NULL)
			return -ENOMEM;
	}
	memset(mz->addr, 0, mz->len);
	mz_phys_addr = mz->iova;
	if ((unsigned long)mz->addr == mz_phys_addr) {
		RTE_LOG(WARNING, PMD,
			"Memzone physical address same as virtual.\n");
		RTE_LOG(WARNING, PMD,
			"Using rte_mem_virt2iova()\n");
		for (sz = 0; sz < total_alloc_len; sz += getpagesize())
			rte_mem_lock_page(((char *)mz->addr) + sz);
		mz_phys_addr = rte_mem_virt2iova(mz->addr);
		if (mz_phys_addr == 0) {
			RTE_LOG(ERR, PMD,
			"unable to map ring address to physical memory\n");
			return -ENOMEM;
		}
	}

	if (tx_ring_info) {
		tx_ring = tx_ring_info->tx_ring_struct;

		tx_ring->bd = ((char *)mz->addr + tx_ring_start);
		tx_ring_info->tx_desc_ring = (struct tx_bd_long *)tx_ring->bd;
		tx_ring->bd_dma = mz_phys_addr + tx_ring_start;
		tx_ring_info->tx_desc_mapping = tx_ring->bd_dma;
		tx_ring->mem_zone = (const void *)mz;

		if (!tx_ring->bd)
			return -ENOMEM;
		if (tx_ring->vmem_size) {
			tx_ring->vmem =
			    (void **)((char *)mz->addr + tx_vmem_start);
			tx_ring_info->tx_buf_ring =
			    (struct bnxt_sw_tx_bd *)tx_ring->vmem;
		}
	}

	if (rx_ring_info) {
		rx_ring = rx_ring_info->rx_ring_struct;

		rx_ring->bd = ((char *)mz->addr + rx_ring_start);
		rx_ring_info->rx_desc_ring =
		    (struct rx_prod_pkt_bd *)rx_ring->bd;
		rx_ring->bd_dma = mz_phys_addr + rx_ring_start;
		rx_ring_info->rx_desc_mapping = rx_ring->bd_dma;
		rx_ring->mem_zone = (const void *)mz;

		if (!rx_ring->bd)
			return -ENOMEM;
		if (rx_ring->vmem_size) {
			rx_ring->vmem =
			    (void **)((char *)mz->addr + rx_vmem_start);
			rx_ring_info->rx_buf_ring =
			    (struct bnxt_sw_rx_bd *)rx_ring->vmem;
		}

		rx_ring = rx_ring_info->ag_ring_struct;

		rx_ring->bd = ((char *)mz->addr + ag_ring_start);
		rx_ring_info->ag_desc_ring =
		    (struct rx_prod_pkt_bd *)rx_ring->bd;
		rx_ring->bd_dma = mz->iova + ag_ring_start;
		rx_ring_info->ag_desc_mapping = rx_ring->bd_dma;
		rx_ring->mem_zone = (const void *)mz;

		if (!rx_ring->bd)
			return -ENOMEM;
		if (rx_ring->vmem_size) {
			rx_ring->vmem =
			    (void **)((char *)mz->addr + ag_vmem_start);
			rx_ring_info->ag_buf_ring =
			    (struct bnxt_sw_rx_bd *)rx_ring->vmem;
		}

		rx_ring_info->ag_bitmap =
		    rte_bitmap_init(rx_ring_info->rx_ring_struct->ring_size *
				    AGG_RING_SIZE_FACTOR, (uint8_t *)mz->addr +
				    ag_bitmap_start, ag_bitmap_len);

		/* TPA info */
		if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
			rx_ring_info->tpa_info =
				((struct bnxt_tpa_info *)((char *)mz->addr +
							  tpa_info_start));
	}

	cp_ring->bd = ((char *)mz->addr + cp_ring_start);
	cp_ring->bd_dma = mz_phys_addr + cp_ring_start;
	cp_ring_info->cp_desc_ring = cp_ring->bd;
	cp_ring_info->cp_desc_mapping = cp_ring->bd_dma;
	cp_ring->mem_zone = (const void *)mz;

	if (!cp_ring->bd)
		return -ENOMEM;
	if (cp_ring->vmem_size)
		*cp_ring->vmem = ((char *)mz->addr + stats_len);
	if (stats_len) {
		cp_ring_info->hw_stats = mz->addr;
		cp_ring_info->hw_stats_map = mz_phys_addr;
	}
	cp_ring_info->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
	return 0;
}
int
rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
{
	struct bond_dev_private *internals = NULL;
	struct rte_eth_dev *eth_dev = NULL;
	uint32_t vlan_filter_bmp_size;

	/* now do all data allocation - for eth_dev structure, dummy pci driver
	 * and internal (private) data
	 */

	if (name == NULL) {
		RTE_BOND_LOG(ERR, "Invalid name specified");
		goto err;
	}

	if (socket_id >= number_of_sockets()) {
		RTE_BOND_LOG(ERR,
				"Invalid socket id specified to create bonded device on.");
		goto err;
	}

	internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
	if (internals == NULL) {
		RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
		goto err;
	}

	/* reserve an ethdev entry */
	eth_dev = rte_eth_dev_allocate(name);
	if (eth_dev == NULL) {
		RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
		goto err;
	}

	eth_dev->data->dev_private = internals;
	eth_dev->data->nb_rx_queues = (uint16_t)1;
	eth_dev->data->nb_tx_queues = (uint16_t)1;

	eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
			socket_id);
	if (eth_dev->data->mac_addrs == NULL) {
		RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
		goto err;
	}

	eth_dev->dev_ops = &default_dev_ops;
	eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
		RTE_ETH_DEV_DETACHABLE;
	eth_dev->driver = NULL;
	eth_dev->data->kdrv = RTE_KDRV_NONE;
	eth_dev->data->drv_name = pmd_bond_drv.driver.name;
	eth_dev->data->numa_node =  socket_id;

	rte_spinlock_init(&internals->lock);

	internals->port_id = eth_dev->data->port_id;
	internals->mode = BONDING_MODE_INVALID;
	internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
	internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
	internals->xmit_hash = xmit_l2_hash;
	internals->user_defined_mac = 0;
	internals->link_props_set = 0;

	internals->link_status_polling_enabled = 0;

	internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
	internals->link_down_delay_ms = 0;
	internals->link_up_delay_ms = 0;

	internals->slave_count = 0;
	internals->active_slave_count = 0;
	internals->rx_offload_capa = 0;
	internals->tx_offload_capa = 0;
	internals->candidate_max_rx_pktlen = 0;
	internals->max_rx_pktlen = 0;

	/* Initially allow to choose any offload type */
	internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;

	memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
	memset(internals->slaves, 0, sizeof(internals->slaves));

	/* Set mode 4 default configuration */
	bond_mode_8023ad_setup(eth_dev, NULL);
	if (bond_ethdev_mode_set(eth_dev, mode)) {
		RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
				 eth_dev->data->port_id, mode);
		goto err;
	}

	vlan_filter_bmp_size =
		rte_bitmap_get_memory_footprint(ETHER_MAX_VLAN_ID + 1);
	internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
						   RTE_CACHE_LINE_SIZE);
	if (internals->vlan_filter_bmpmem == NULL) {
		RTE_BOND_LOG(ERR,
			     "Failed to allocate vlan bitmap for bonded device %u\n",
			     eth_dev->data->port_id);
		goto err;
	}

	internals->vlan_filter_bmp = rte_bitmap_init(ETHER_MAX_VLAN_ID + 1,
			internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
	if (internals->vlan_filter_bmp == NULL) {
		RTE_BOND_LOG(ERR,
			     "Failed to init vlan bitmap for bonded device %u\n",
			     eth_dev->data->port_id);
		rte_free(internals->vlan_filter_bmpmem);
		goto err;
	}

	return eth_dev->data->port_id;

err:
	rte_free(internals);
	if (eth_dev != NULL) {
		rte_free(eth_dev->data->mac_addrs);
		rte_eth_dev_release_port(eth_dev);
	}
	return -1;
}