diff options
Diffstat (limited to 'src/spdk/dpdk/drivers/net/thunderx/nicvf_ethdev.h')
-rw-r--r-- | src/spdk/dpdk/drivers/net/thunderx/nicvf_ethdev.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/thunderx/nicvf_ethdev.h b/src/spdk/dpdk/drivers/net/thunderx/nicvf_ethdev.h new file mode 100644 index 00000000..ae440fef --- /dev/null +++ b/src/spdk/dpdk/drivers/net/thunderx/nicvf_ethdev.h @@ -0,0 +1,134 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016 Cavium, Inc + */ + +#ifndef __THUNDERX_NICVF_ETHDEV_H__ +#define __THUNDERX_NICVF_ETHDEV_H__ + +#include <rte_ethdev_driver.h> + +#define THUNDERX_NICVF_PMD_VERSION "2.0" +#define THUNDERX_REG_BYTES 8 + +#define NICVF_INTR_POLL_INTERVAL_MS 50 +#define NICVF_HALF_DUPLEX 0x00 +#define NICVF_FULL_DUPLEX 0x01 +#define NICVF_UNKNOWN_DUPLEX 0xff + +#define NICVF_RSS_OFFLOAD_PASS1 ( \ + ETH_RSS_PORT | \ + ETH_RSS_IPV4 | \ + ETH_RSS_NONFRAG_IPV4_TCP | \ + ETH_RSS_NONFRAG_IPV4_UDP | \ + ETH_RSS_IPV6 | \ + ETH_RSS_NONFRAG_IPV6_TCP | \ + ETH_RSS_NONFRAG_IPV6_UDP) + +#define NICVF_RSS_OFFLOAD_TUNNEL ( \ + ETH_RSS_VXLAN | \ + ETH_RSS_GENEVE | \ + ETH_RSS_NVGRE) + +#define NICVF_TX_OFFLOAD_CAPA ( \ + DEV_TX_OFFLOAD_IPV4_CKSUM | \ + DEV_TX_OFFLOAD_UDP_CKSUM | \ + DEV_TX_OFFLOAD_TCP_CKSUM | \ + DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | \ + DEV_TX_OFFLOAD_MBUF_FAST_FREE | \ + DEV_TX_OFFLOAD_MULTI_SEGS) + +#define NICVF_RX_OFFLOAD_CAPA ( \ + DEV_RX_OFFLOAD_CHECKSUM | \ + DEV_RX_OFFLOAD_VLAN_STRIP | \ + DEV_RX_OFFLOAD_CRC_STRIP | \ + DEV_RX_OFFLOAD_JUMBO_FRAME | \ + DEV_RX_OFFLOAD_SCATTER) + +#define NICVF_DEFAULT_RX_FREE_THRESH 224 +#define NICVF_DEFAULT_TX_FREE_THRESH 224 +#define NICVF_TX_FREE_MPOOL_THRESH 16 +#define NICVF_MAX_RX_FREE_THRESH 1024 +#define NICVF_MAX_TX_FREE_THRESH 1024 + +#define VLAN_TAG_SIZE 4 /* 802.3ac tag */ + +#define SKIP_DATA_BYTES "skip_data_bytes" +static inline struct nicvf * +nicvf_pmd_priv(struct rte_eth_dev *eth_dev) +{ + return eth_dev->data->dev_private; +} + +static inline uint64_t +nicvf_mempool_phy_offset(struct rte_mempool *mp) +{ + struct rte_mempool_memhdr *hdr; + + hdr = STAILQ_FIRST(&mp->mem_list); + assert(hdr != NULL); + return (uint64_t)((uintptr_t)hdr->addr - hdr->iova); +} + +static inline uint16_t +nicvf_mbuff_meta_length(struct rte_mbuf *mbuf) +{ + return (uint16_t)((uintptr_t)mbuf->buf_addr - (uintptr_t)mbuf); +} + +static inline uint16_t +nicvf_netdev_qidx(struct nicvf *nic, uint8_t local_qidx) +{ + uint16_t global_qidx = local_qidx; + + if (nic->sqs_mode) + global_qidx += ((nic->sqs_id + 1) * MAX_CMP_QUEUES_PER_QS); + + return global_qidx; +} + +/* + * Simple phy2virt functions assuming mbufs are in a single huge page + * V = P + offset + * P = V - offset + */ +static inline uintptr_t +nicvf_mbuff_phy2virt(rte_iova_t phy, uint64_t mbuf_phys_off) +{ + return (uintptr_t)(phy + mbuf_phys_off); +} + +static inline uintptr_t +nicvf_mbuff_virt2phy(uintptr_t virt, uint64_t mbuf_phys_off) +{ + return (rte_iova_t)(virt - mbuf_phys_off); +} + +static inline void +nicvf_tx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *tx_start, + uint16_t *tx_end) +{ + uint16_t tmp; + + *tx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0), + MAX_SND_QUEUES_PER_QS); + tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1, + MAX_SND_QUEUES_PER_QS) - 1; + *tx_end = dev->data->nb_tx_queues ? + RTE_MIN(tmp, dev->data->nb_tx_queues - 1) : 0; +} + +static inline void +nicvf_rx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *rx_start, + uint16_t *rx_end) +{ + uint16_t tmp; + + *rx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0), + MAX_RCV_QUEUES_PER_QS); + tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1, + MAX_RCV_QUEUES_PER_QS) - 1; + *rx_end = dev->data->nb_rx_queues ? + RTE_MIN(tmp, dev->data->nb_rx_queues - 1) : 0; +} + +#endif /* __THUNDERX_NICVF_ETHDEV_H__ */ |