6c7f491e7f
In this commit we generalize the movement of user-specified meta data between mbufs and FPGA AXIS tuser fields using user-defined hook functions. - Previous use of PMD dynfields are removed - Remove emptied rte_pmd_ark.h - Hook function added to ark_user_ext - Add hook function calls in Rx and Tx paths - Update guide with example of hook function use Signed-off-by: Ed Czeck <ed.czeck@atomicrules.com>
155 lines
4.1 KiB
C
155 lines
4.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2015-2018 Atomic Rules LLC
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*/
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#ifndef _ARK_GLOBAL_H_
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#define _ARK_GLOBAL_H_
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#include <time.h>
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#include <assert.h>
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#include <rte_mbuf.h>
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#include <ethdev_driver.h>
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#include <rte_malloc.h>
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#include <rte_memcpy.h>
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#include <rte_string_fns.h>
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#include <rte_cycles.h>
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#include <rte_kvargs.h>
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#include <rte_dev.h>
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#include <rte_version.h>
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#include "ark_pktdir.h"
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#include "ark_pktgen.h"
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#include "ark_pktchkr.h"
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#define ETH_ARK_ARG_MAXLEN 64
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#define ARK_SYSCTRL_BASE 0x0
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#define ARK_PKTGEN_BASE 0x10000
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#define ARK_MPU_RX_BASE 0x20000
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#define ARK_UDM_BASE 0x30000
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#define ARK_MPU_TX_BASE 0x40000
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#define ARK_DDM_BASE 0x60000
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#define ARK_CMAC_BASE 0x80000
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#define ARK_PKTDIR_BASE 0xa0000
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#define ARK_PKTCHKR_BASE 0x90000
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#define ARK_RCPACING_BASE 0xb0000
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#define ARK_EXTERNAL_BASE 0x100000
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#define ARK_MPU_QOFFSET 0x00100
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#define ARK_MAX_PORTS RTE_MAX_ETHPORTS
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#define offset8(n) n
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#define offset16(n) ((n) / 2)
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#define offset32(n) ((n) / 4)
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#define offset64(n) ((n) / 8)
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/* Maximum length of arg list in bytes */
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#define ARK_MAX_ARG_LEN 256
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/*
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* Structure to store private data for each PF/VF instance.
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*/
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#define def_ptr(type, name) \
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union type { \
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uint64_t *t64; \
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uint32_t *t32; \
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uint16_t *t16; \
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uint8_t *t8; \
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void *v; \
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} name
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/* Extension hooks for extraction and placement of user meta data
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* during RX an TX operations. These functions are the bridge
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* between the mbuf struct and the tuser fields on the AXIS
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* interfaces in the FPGA
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*/
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/* RX hook populates mbuf fields from user defined *meta up to 20 bytes */
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typedef void (*rx_user_meta_hook_fn)(struct rte_mbuf *mbuf,
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const uint32_t *meta,
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void *ext_user_data);
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/* TX hook poplulate *meta, with up to 20 bytes. meta_cnt
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* returns the number of uint32_t words populated, 0 to 5
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*/
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typedef void (*tx_user_meta_hook_fn)(const struct rte_mbuf *mbuf,
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uint32_t *meta, uint8_t *meta_cnt,
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void *ext_user_data);
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struct ark_user_ext {
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void *(*dev_init)(struct rte_eth_dev *, void *abar, int port_id);
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void (*dev_uninit)(struct rte_eth_dev *, void *);
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int (*dev_get_port_count)(struct rte_eth_dev *, void *);
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int (*dev_configure)(struct rte_eth_dev *, void *);
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int (*dev_start)(struct rte_eth_dev *, void *);
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void (*dev_stop)(struct rte_eth_dev *, void *);
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void (*dev_close)(struct rte_eth_dev *, void *);
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int (*link_update)(struct rte_eth_dev *, int wait_to_complete, void *);
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int (*dev_set_link_up)(struct rte_eth_dev *, void *);
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int (*dev_set_link_down)(struct rte_eth_dev *, void *);
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int (*stats_get)(struct rte_eth_dev *, struct rte_eth_stats *, void *);
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void (*stats_reset)(struct rte_eth_dev *, void *);
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void (*mac_addr_add)(struct rte_eth_dev *,
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struct rte_ether_addr *,
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uint32_t,
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uint32_t,
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void *);
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void (*mac_addr_remove)(struct rte_eth_dev *, uint32_t, void *);
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void (*mac_addr_set)(struct rte_eth_dev *, struct rte_ether_addr *,
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void *);
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int (*set_mtu)(struct rte_eth_dev *, uint16_t, void *);
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/* user meta, hook functions */
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rx_user_meta_hook_fn rx_user_meta_hook;
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tx_user_meta_hook_fn tx_user_meta_hook;
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};
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struct ark_adapter {
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/* User extension private data */
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void *user_data[ARK_MAX_PORTS];
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/* Pointers to packet generator and checker */
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int start_pg;
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ark_pkt_gen_t pg;
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ark_pkt_chkr_t pc;
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ark_pkt_dir_t pd;
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int num_ports;
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/* Packet generator/checker args */
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char pkt_gen_args[ARK_MAX_ARG_LEN];
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char pkt_chkr_args[ARK_MAX_ARG_LEN];
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uint32_t pkt_dir_v;
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/* eth device */
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struct rte_eth_dev *eth_dev;
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void *d_handle;
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struct ark_user_ext user_ext;
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/* Our Bar 0 */
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uint8_t *bar0;
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/* Application Bar */
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uint8_t *a_bar;
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/* Arkville demo block offsets */
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def_ptr(sys_ctrl, sysctrl);
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def_ptr(pkt_gen, pktgen);
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def_ptr(mpu_rx, mpurx);
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def_ptr(UDM, udm);
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def_ptr(mpu_tx, mputx);
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def_ptr(DDM, ddm);
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def_ptr(CMAC, cmac);
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def_ptr(external, external);
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def_ptr(pkt_dir, pktdir);
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def_ptr(pkt_chkr, pktchkr);
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int started;
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uint16_t rx_queues;
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uint16_t tx_queues;
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struct ark_rqpace_t *rqpacing;
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};
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typedef uint32_t *ark_t;
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#endif
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