5c7ccb263b
With the mbuf rework, we now have 8 contiguous bytes to be rearmed in the mbuf at 8B naturally aligned address. Use single 8B write to avoid multiple 2B writes in Rx path. Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> Signed-off-by: Maciej Czekaj <maciej.czekaj@caviumnetworks.com>
140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/*
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* BSD LICENSE
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*
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* Copyright (C) Cavium networks Ltd. 2016.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium networks nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _THUNDERX_NICVF_STRUCT_H
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#define _THUNDERX_NICVF_STRUCT_H
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#include <stdint.h>
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#include <rte_spinlock.h>
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#include <rte_mempool.h>
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#include <rte_mbuf.h>
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#include <rte_interrupts.h>
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#include <rte_ethdev.h>
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#include <rte_memory.h>
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struct nicvf_rbdr {
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uintptr_t rbdr_status;
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uintptr_t rbdr_door;
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struct rbdr_entry_t *desc;
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nicvf_phys_addr_t phys;
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uint32_t buffsz;
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uint32_t tail;
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uint32_t next_tail;
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uint32_t head;
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uint32_t qlen_mask;
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} __rte_cache_aligned;
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struct nicvf_txq {
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union sq_entry_t *desc;
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nicvf_phys_addr_t phys;
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struct rte_mbuf **txbuffs;
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uintptr_t sq_head;
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uintptr_t sq_door;
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struct rte_mempool *pool;
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struct nicvf *nic;
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void (*pool_free)(struct nicvf_txq *sq);
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uint32_t head;
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uint32_t tail;
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int32_t xmit_bufs;
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uint32_t qlen_mask;
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uint32_t txq_flags;
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uint16_t queue_id;
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uint16_t tx_free_thresh;
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} __rte_cache_aligned;
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union mbuf_initializer {
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struct {
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uint16_t data_off;
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uint16_t refcnt;
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uint16_t nb_segs;
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uint16_t port;
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} fields;
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uint64_t value;
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};
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struct nicvf_rxq {
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uint64_t mbuf_phys_off;
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uintptr_t cq_status;
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uintptr_t cq_door;
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union mbuf_initializer mbuf_initializer;
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nicvf_phys_addr_t phys;
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union cq_entry_t *desc;
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struct nicvf_rbdr *shared_rbdr;
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struct nicvf *nic;
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struct rte_mempool *pool;
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uint32_t head;
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uint32_t qlen_mask;
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int32_t available_space;
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int32_t recv_buffers;
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uint16_t rx_free_thresh;
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uint16_t queue_id;
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uint16_t precharge_cnt;
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uint8_t rx_drop_en;
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uint8_t port_id;
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uint8_t rbptr_offset;
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} __rte_cache_aligned;
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struct nicvf {
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uint8_t vf_id;
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uint8_t node;
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uintptr_t reg_base;
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bool tns_mode;
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bool sqs_mode;
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bool loopback_supported;
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bool pf_acked:1;
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bool pf_nacked:1;
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uint64_t hwcap;
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uint8_t link_up;
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uint8_t duplex;
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uint32_t speed;
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uint32_t msg_enable;
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uint16_t device_id;
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uint16_t vendor_id;
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uint16_t subsystem_device_id;
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uint16_t subsystem_vendor_id;
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struct nicvf_rbdr *rbdr;
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struct nicvf_rss_reta_info rss_info;
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struct rte_intr_handle intr_handle;
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uint8_t cpi_alg;
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uint16_t mtu;
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bool vlan_filter_en;
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uint8_t mac_addr[ETHER_ADDR_LEN];
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/* secondary queue set support */
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uint8_t sqs_id;
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uint8_t sqs_count;
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#define MAX_SQS_PER_VF 11
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struct nicvf *snicvf[MAX_SQS_PER_VF];
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} __rte_cache_aligned;
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#endif /* _THUNDERX_NICVF_STRUCT_H */
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