examples/l3fwd/l3fwd_route.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2021 Intel Corporation
   3  */
   4
   5 /* Log file related character defs. */
   6 #define COMMENT_LEAD_CHAR       ('#')
   7 #define ROUTE_LEAD_CHAR         ('R')
   8
   9 #define IPV6_ADDR_LEN   16
  10 #define IPV6_ADDR_U16   (IPV6_ADDR_LEN / sizeof(uint16_t))
  11 #define IPV6_ADDR_U32   (IPV6_ADDR_LEN / sizeof(uint32_t))
  12
  13 #define GET_CB_FIELD(in, fd, base, lim, dlm)    do {            \
  14         unsigned long val;                                      \
  15         char *end;                                              \
  16         errno = 0;                                              \
  17         val = strtoul((in), &end, (base));                      \
  18         if (errno != 0 || end[0] != (dlm) || val > (lim))       \
  19                 return -EINVAL;                                 \
  20         (fd) = (typeof(fd))val;                                 \
  21         (in) = end + 1;                                         \
  22 } while (0)
  23
  24 struct ipv4_l3fwd_route {
  25         uint32_t ip;
  26         uint8_t  depth;
  27         uint8_t  if_out;
  28 };
  29
  30 struct ipv6_l3fwd_route {
  31         uint8_t ip[16];
  32         uint8_t depth;
  33         uint8_t if_out;
  34 };
  35
  36 struct ipv4_5tuple {
  37         uint32_t ip_dst;
  38         uint32_t ip_src;
  39         uint16_t port_dst;
  40         uint16_t port_src;
  41         uint8_t  proto;
  42 } __rte_packed;
  43
  44 struct ipv6_5tuple {
  45         uint8_t  ip_dst[IPV6_ADDR_LEN];
  46         uint8_t  ip_src[IPV6_ADDR_LEN];
  47         uint16_t port_dst;
  48         uint16_t port_src;
  49         uint8_t  proto;
  50 } __rte_packed;
  51
  52 struct lpm_route_rule {
  53         union {
  54                 uint32_t ip;
  55                 union {
  56                         uint32_t ip_32[IPV6_ADDR_U32];
  57                         uint8_t ip_8[IPV6_ADDR_LEN];
  58                 };
  59         };
  60         uint8_t depth;
  61         uint8_t if_out;
  62 };
  63
  64 struct ipv4_l3fwd_em_route {
  65         struct ipv4_5tuple key;
  66         uint8_t if_out;
  67 };
  68
  69 struct ipv6_l3fwd_em_route {
  70         struct ipv6_5tuple key;
  71         uint8_t if_out;
  72 };
  73
  74 struct em_rule {
  75                 union {
  76                 struct ipv4_5tuple v4_key;
  77                 struct ipv6_5tuple v6_key;
  78         };
  79         uint8_t if_out;
  80 };
  81
  82 extern struct lpm_route_rule *route_base_v4;
  83 extern struct lpm_route_rule *route_base_v6;
  84 extern int route_num_v4;
  85 extern int route_num_v6;
  86
  87 extern const struct ipv4_l3fwd_route ipv4_l3fwd_route_array[16];
  88 extern const struct ipv6_l3fwd_route ipv6_l3fwd_route_array[16];
  89
  90 extern const struct ipv4_l3fwd_em_route ipv4_l3fwd_em_route_array[16];
  91 extern const struct ipv6_l3fwd_em_route ipv6_l3fwd_em_route_array[16];
  92
  93 void
  94 read_config_files_lpm(void);
  95
  96 void
  97 read_config_files_em(void);
  98
  99 void
 100 em_free_routes(void);
 101
 102 void
 103 lpm_free_routes(void);
 104
 105 int
 106 is_bypass_line(const char *buff);