mirror of https://github.com/F-Stack/f-stack.git
117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
/*
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* Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
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* All rights reserved.
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY 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 OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __FSTACK_MEMORY_H
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#define __FSTACK_MEMORY_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MEMPOOL_CACHE_SIZE 256
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#define DISPATCH_RING_SIZE 2048
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#define MSG_RING_SIZE 32
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/*
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* Configurable number of RX/TX ring descriptors
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*/
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#define RX_QUEUE_SIZE 512
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#define TX_QUEUE_SIZE 512
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/*
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* Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
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*/
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#define MAX_TX_BURST (MAX_PKT_BURST / 2)
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#define NB_SOCKETS 8
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/* Configure how many packets ahead to prefetch, when reading packets */
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#define PREFETCH_OFFSET 3
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#define MAX_RX_QUEUE_PER_LCORE 16
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#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
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#define MAX_RX_QUEUE_PER_PORT 128
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struct ff_dpdk_if_context {
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void *sc;
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void *ifp;
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uint16_t port_id;
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struct ff_hw_features hw_features;
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} __rte_cache_aligned;
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struct mbuf_table {
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uint16_t len;
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struct rte_mbuf *m_table[MAX_PKT_BURST];
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#ifdef FF_USE_PAGE_ARRAY
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void* bsd_m_table[MAX_PKT_BURST]; // save bsd mbuf address which will be enquene into txring after NIC transmitted pkt.
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#endif
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};
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struct lcore_rx_queue {
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uint16_t port_id;
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uint16_t queue_id;
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} __rte_cache_aligned;
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struct lcore_conf {
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uint16_t proc_id;
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uint16_t socket_id;
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uint16_t nb_queue_list[RTE_MAX_ETHPORTS];
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struct ff_port_cfg *port_cfgs;
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uint16_t nb_rx_queue;
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struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
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uint16_t nb_tx_port;
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uint16_t tx_port_id[RTE_MAX_ETHPORTS];
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uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
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struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
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//char *pcap[RTE_MAX_ETHPORTS];
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} __rte_cache_aligned;
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#ifdef FF_USE_PAGE_ARRAY
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// mbuf_txring save mbuf which had bursted into NIC, m_tables has same length with NIC dev's sw_ring.
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// Then when txring.m_table[x] is reused, the packet in txring.m_table[x] had been transmited by NIC.
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// that means the mbuf can be freed safely.
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struct mbuf_txring{
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void* m_table[TX_QUEUE_SIZE];
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uint16_t head; // next available element.
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};
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void ff_init_ref_pool(int nb_mbuf, int socketid);
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int ff_mmap_init();
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int ff_if_send_onepkt(struct ff_dpdk_if_context *ctx, void *m, int total);
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int ff_enq_tx_bsdmbuf(uint8_t portid, void *p_mbuf, int nb_segs);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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