ceph/src/seastar/dpdk/examples/netmap_compat/lib/compat_netmap.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #ifndef _RTE_COMPAT_NETMAP_H_
   6
   7 #include <poll.h>
   8 #include <linux/ioctl.h>
   9 #include <net/if.h>
  10
  11 #include <rte_ethdev.h>
  12 #include <rte_mempool.h>
  13
  14 #include "netmap.h"
  15 #include "netmap_user.h"
  16
  17 /**
  18  * One can overwrite Netmap macros here as needed
  19  */
  20
  21 struct rte_netmap_conf {
  22         int32_t  socket_id;
  23         uint32_t max_rings; /* number of rings(queues) per netmap_if(port) */
  24         uint32_t max_slots; /* number of slots(descriptors) per netmap ring. */
  25         uint16_t max_bufsz; /* size of each netmap buffer. */
  26 };
  27
  28 struct rte_netmap_port_conf {
  29         struct rte_eth_conf   *eth_conf;
  30         struct rte_mempool    *pool;
  31         int32_t socket_id;
  32         uint16_t nr_tx_rings;
  33         uint16_t nr_rx_rings;
  34         uint32_t nr_tx_slots;
  35         uint32_t nr_rx_slots;
  36         uint16_t tx_burst;
  37         uint16_t rx_burst;
  38 };
  39
  40 int rte_netmap_init(const struct rte_netmap_conf *conf);
  41 int rte_netmap_init_port(uint16_t portid,
  42         const struct rte_netmap_port_conf *conf);
  43
  44 int rte_netmap_close(int fd);
  45 int rte_netmap_ioctl(int fd, uint32_t op, void *param);
  46 int rte_netmap_open(const char *pathname, int flags);
  47 int rte_netmap_poll(struct pollfd *fds, nfds_t nfds, int timeout);
  48 void *rte_netmap_mmap(void *addr, size_t length, int prot, int flags, int fd,
  49                           off_t offset);
  50
  51 #endif /* _RTE_COMPAT_NETMAP_H_ */