d3bf25644b
This feature is used to offload stripping of VLAN header from received packets and update vlan_tci field in mbuf when DEV_RX_OFFLOAD_VLAN_STRIP & ETH_VLAN_STRIP_MASK flag is set. Signed-off-by: Rakesh Kudurumalla <rkudurumalla@caviumnetworks.com> Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com> Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2016 Cavium, Inc
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*/
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#ifndef __THUNDERX_NICVF_RXTX_H__
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#define __THUNDERX_NICVF_RXTX_H__
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#include <rte_byteorder.h>
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#include <rte_ethdev_driver.h>
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#define NICVF_RX_OFFLOAD_NONE 0x1
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#define NICVF_RX_OFFLOAD_CKSUM 0x2
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#define NICVF_RX_OFFLOAD_VLAN_STRIP 0x4
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#define NICVF_TX_OFFLOAD_MASK (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK)
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#ifndef __hot
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#define __hot __attribute__((hot))
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#endif
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#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
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static inline uint16_t __attribute__((const))
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nicvf_frag_num(uint16_t i)
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{
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return (i & ~3) + 3 - (i & 3);
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}
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static inline void __hot
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fill_sq_desc_gather(union sq_entry_t *entry, struct rte_mbuf *pkt)
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{
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/* Local variable sqe to avoid read from sq desc memory*/
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union sq_entry_t sqe;
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/* Fill the SQ gather entry */
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sqe.buff[0] = 0; sqe.buff[1] = 0;
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sqe.gather.subdesc_type = SQ_DESC_TYPE_GATHER;
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sqe.gather.ld_type = NIC_SEND_LD_TYPE_E_LDT;
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sqe.gather.size = pkt->data_len;
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sqe.gather.addr = rte_mbuf_data_iova(pkt);
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entry->buff[0] = sqe.buff[0];
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entry->buff[1] = sqe.buff[1];
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}
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#else
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static inline uint16_t __attribute__((const))
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nicvf_frag_num(uint16_t i)
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{
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return i;
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}
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static inline void __hot
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fill_sq_desc_gather(union sq_entry_t *entry, struct rte_mbuf *pkt)
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{
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entry->buff[0] = (uint64_t)SQ_DESC_TYPE_GATHER << 60 |
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(uint64_t)NIC_SEND_LD_TYPE_E_LDT << 58 |
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pkt->data_len;
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entry->buff[1] = rte_mbuf_data_iova(pkt);
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}
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#endif
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static inline void
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nicvf_mbuff_init_update(struct rte_mbuf *pkt, const uint64_t mbuf_init,
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uint16_t apad)
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{
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union mbuf_initializer init = {.value = mbuf_init};
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#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
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init.fields.data_off += apad;
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#else
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init.value += apad;
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#endif
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*(uint64_t *)(&pkt->rearm_data) = init.value;
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}
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static inline void
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nicvf_mbuff_init_mseg_update(struct rte_mbuf *pkt, const uint64_t mbuf_init,
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uint16_t apad, uint16_t nb_segs)
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{
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union mbuf_initializer init = {.value = mbuf_init};
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#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
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init.fields.data_off += apad;
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#else
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init.value += apad;
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#endif
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init.fields.nb_segs = nb_segs;
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*(uint64_t *)(&pkt->rearm_data) = init.value;
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}
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uint32_t nicvf_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx);
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uint32_t nicvf_dev_rbdr_refill(struct rte_eth_dev *dev, uint16_t queue_idx);
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uint16_t nicvf_recv_pkts_no_offload(void *rxq, struct rte_mbuf **rx_pkts,
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uint16_t pkts);
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uint16_t nicvf_recv_pkts_cksum(void *rxq, struct rte_mbuf **rx_pkts,
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uint16_t pkts);
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uint16_t nicvf_recv_pkts_vlan_strip(void *rx_queue, struct rte_mbuf **rx_pkts,
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uint16_t nb_pkts);
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uint16_t nicvf_recv_pkts_cksum_vlan_strip(void *rx_queue,
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struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
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uint16_t nicvf_recv_pkts_multiseg_no_offload(void *rx_queue,
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struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
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uint16_t nicvf_recv_pkts_multiseg_cksum(void *rx_queue,
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struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
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uint16_t nicvf_recv_pkts_multiseg_vlan_strip(void *rx_queue,
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struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
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uint16_t nicvf_recv_pkts_multiseg_cksum_vlan_strip(void *rx_queue,
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struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
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uint16_t nicvf_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts, uint16_t pkts);
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uint16_t nicvf_xmit_pkts_multiseg(void *txq, struct rte_mbuf **tx_pkts,
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uint16_t pkts);
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void nicvf_single_pool_free_xmited_buffers(struct nicvf_txq *sq);
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void nicvf_multi_pool_free_xmited_buffers(struct nicvf_txq *sq);
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#endif /* __THUNDERX_NICVF_RXTX_H__ */
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