ceph/src/spdk/dpdk/examples/ip_pipeline/link.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2018 Intel Corporation
   3  */
   4
   5 #ifndef _INCLUDE_LINK_H_
   6 #define _INCLUDE_LINK_H_
   7
   8 #include <stdint.h>
   9 #include <sys/queue.h>
  10
  11 #include "common.h"
  12
  13 #ifndef LINK_RXQ_RSS_MAX
  14 #define LINK_RXQ_RSS_MAX                                   16
  15 #endif
  16
  17 struct link {
  18         TAILQ_ENTRY(link) node;
  19         char name[NAME_SIZE];
  20         uint16_t port_id;
  21         uint32_t n_rxq;
  22         uint32_t n_txq;
  23 };
  24
  25 TAILQ_HEAD(link_list, link);
  26
  27 int
  28 link_init(void);
  29
  30 struct link *
  31 link_find(const char *name);
  32
  33 struct link *
  34 link_next(struct link *link);
  35
  36 struct link_params_rss {
  37         uint32_t queue_id[LINK_RXQ_RSS_MAX];
  38         uint32_t n_queues;
  39 };
  40
  41 struct link_params {
  42         const char *dev_name;
  43         uint16_t port_id; /**< Valid only when *dev_name* is NULL. */
  44
  45         struct {
  46                 uint32_t n_queues;
  47                 uint32_t queue_size;
  48                 const char *mempool_name;
  49                 struct link_params_rss *rss;
  50         } rx;
  51
  52         struct {
  53                 uint32_t n_queues;
  54                 uint32_t queue_size;
  55         } tx;
  56
  57         int promiscuous;
  58 };
  59
  60 struct link *
  61 link_create(const char *name, struct link_params *params);
  62
  63 int
  64 link_is_up(const char *name);
  65
  66 #endif /* _INCLUDE_LINK_H_ */