diff options
Diffstat (limited to 'examples/ipsec-secgw/rt.c')
-rw-r--r-- | examples/ipsec-secgw/rt.c | 255 |
1 files changed, 109 insertions, 146 deletions
diff --git a/examples/ipsec-secgw/rt.c b/examples/ipsec-secgw/rt.c index fa5f0420..e03c5f0b 100644 --- a/examples/ipsec-secgw/rt.c +++ b/examples/ipsec-secgw/rt.c @@ -41,6 +41,7 @@ #include <rte_ip.h> #include "ipsec.h" +#include "parser.h" #define RT_IPV4_MAX_RULES 1024 #define RT_IPV6_MAX_RULES 1024 @@ -57,135 +58,106 @@ struct ip6_route { uint8_t if_out; }; -static struct ip4_route rt_ip4_ep0[] = { - /* Outbound */ - /* Tunnels */ - { IPv4(172, 16, 2, 5), 32, 0 }, - { IPv4(172, 16, 2, 6), 32, 1 }, - /* Transport */ - { IPv4(192, 168, 175, 0), 24, 0 }, - { IPv4(192, 168, 176, 0), 24, 1 }, - /* Bypass */ - { IPv4(192, 168, 240, 0), 24, 0 }, - { IPv4(192, 168, 241, 0), 24, 1 }, +struct ip4_route rt_ip4[RT_IPV4_MAX_RULES]; +uint32_t nb_rt_ip4; - /* Inbound */ - /* Tunnels */ - { IPv4(192, 168, 115, 0), 24, 2 }, - { IPv4(192, 168, 116, 0), 24, 3 }, - { IPv4(192, 168, 65, 0), 24, 2 }, - { IPv4(192, 168, 66, 0), 24, 3 }, - /* Transport */ - { IPv4(192, 168, 185, 0), 24, 2 }, - { IPv4(192, 168, 186, 0), 24, 3 }, - /* NULL */ - { IPv4(192, 168, 210, 0), 24, 2 }, - { IPv4(192, 168, 211, 0), 24, 3 }, - /* Bypass */ - { IPv4(192, 168, 245, 0), 24, 2 }, - { IPv4(192, 168, 246, 0), 24, 3 }, -}; - -static struct ip6_route rt_ip6_ep0[] = { - /* Outbound */ - /* Tunnels */ - { { 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, - 0x22, 0x22, 0x22, 0x22, 0x22, 0x55, 0x55 }, 116, 0 }, - { { 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, - 0x22, 0x22, 0x22, 0x22, 0x22, 0x66, 0x66 }, 116, 1 }, - /* Transport */ - { { 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 116, 0 }, - { { 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x11, - 0x11, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00 }, 116, 1 }, - /* Inbound */ - /* Tunnels */ - { { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, - 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00 }, 116, 2 }, - { { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbb, - 0xbb, 0xbb, 0xbb, 0x00, 0x00, 0x00, 0x00 }, 116, 3 }, - { { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, - 0x55, 0x55, 0x55, 0x00, 0x00, 0x00, 0x00 }, 116, 2 }, - { { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, - 0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00 }, 116, 3 }, - /* Transport */ - { { 0xff, 0xff, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 116, 2 }, - { { 0xff, 0xff, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x11, - 0x11, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00 }, 116, 3 }, -}; - -static struct ip4_route rt_ip4_ep1[] = { - /* Outbound */ - /* Tunnels */ - { IPv4(172, 16, 1, 5), 32, 0 }, - { IPv4(172, 16, 1, 6), 32, 1 }, - /* Transport */ - { IPv4(192, 168, 185, 0), 24, 0 }, - { IPv4(192, 168, 186, 0), 24, 1 }, - /* Bypass */ - { IPv4(192, 168, 245, 0), 24, 0 }, - { IPv4(192, 168, 246, 0), 24, 1 }, +struct ip6_route rt_ip6[RT_IPV4_MAX_RULES]; +uint32_t nb_rt_ip6; - /* Inbound */ - /* Tunnels */ - { IPv4(192, 168, 105, 0), 24, 2 }, - { IPv4(192, 168, 106, 0), 24, 3 }, - { IPv4(192, 168, 55, 0), 24, 2 }, - { IPv4(192, 168, 56, 0), 24, 3 }, - /* Transport */ - { IPv4(192, 168, 175, 0), 24, 2 }, - { IPv4(192, 168, 176, 0), 24, 3 }, - /* NULL */ - { IPv4(192, 168, 200, 0), 24, 2 }, - { IPv4(192, 168, 201, 0), 24, 3 }, - /* Bypass */ - { IPv4(192, 168, 240, 0), 24, 2 }, - { IPv4(192, 168, 241, 0), 24, 3 }, -}; +void +parse_rt_tokens(char **tokens, uint32_t n_tokens, + struct parse_status *status) +{ + uint32_t ti; + uint32_t *n_rts = NULL; + struct ip4_route *route_ipv4 = NULL; + struct ip6_route *route_ipv6 = NULL; + + if (strcmp(tokens[0], "ipv4") == 0) { + n_rts = &nb_rt_ip4; + route_ipv4 = &rt_ip4[*n_rts]; + + APP_CHECK(*n_rts <= RT_IPV4_MAX_RULES - 1, status, + "too many rt rules, abort insertion\n"); + if (status->status < 0) + return; + + } else if (strcmp(tokens[0], "ipv6") == 0) { + n_rts = &nb_rt_ip6; + route_ipv6 = &rt_ip6[*n_rts]; + + APP_CHECK(*n_rts <= RT_IPV6_MAX_RULES - 1, status, + "too many rt rules, abort insertion\n"); + if (status->status < 0) + return; + } else { + APP_CHECK(0, status, "unrecognized input \"%s\"", + tokens[0]); + return; + } -static struct ip6_route rt_ip6_ep1[] = { - /* Outbound */ - /* Tunnels */ - { { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, - 0x11, 0x11, 0x11, 0x11, 0x11, 0x55, 0x55 }, 116, 0 }, - { { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, - 0x11, 0x11, 0x11, 0x11, 0x11, 0x66, 0x66 }, 116, 1 }, - /* Transport */ - { { 0xff, 0xff, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 116, 0 }, - { { 0xff, 0xff, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x11, - 0x11, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00 }, 116, 1 }, + for (ti = 1; ti < n_tokens; ti++) { + if (strcmp(tokens[ti], "dst") == 0) { + INCREMENT_TOKEN_INDEX(ti, n_tokens, status); + if (status->status < 0) + return; + + if (route_ipv4 != NULL) { + struct in_addr ip; + uint32_t depth = 0; + + APP_CHECK(parse_ipv4_addr(tokens[ti], + &ip, &depth) == 0, status, + "unrecognized input \"%s\", " + "expect valid ipv4 addr", + tokens[ti]); + if (status->status < 0) + return; + route_ipv4->ip = rte_bswap32( + (uint32_t)ip.s_addr); + route_ipv4->depth = (uint8_t)depth; + } else { + struct in6_addr ip; + uint32_t depth; + + APP_CHECK(parse_ipv6_addr(tokens[ti], + &ip, &depth) == 0, status, + "unrecognized input \"%s\", " + "expect valid ipv6 address", + tokens[ti]); + if (status->status < 0) + return; + memcpy(route_ipv6->ip, ip.s6_addr, 16); + route_ipv6->depth = (uint8_t)depth; + } + } + + if (strcmp(tokens[ti], "port") == 0) { + INCREMENT_TOKEN_INDEX(ti, n_tokens, status); + if (status->status < 0) + return; + APP_CHECK_TOKEN_IS_NUM(tokens, ti, status); + if (status->status < 0) + return; + if (route_ipv4 != NULL) + route_ipv4->if_out = atoi(tokens[ti]); + else + route_ipv6->if_out = atoi(tokens[ti]); + } + } - /* Inbound */ - /* Tunnels */ - { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, - 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00 }, 116, 2 }, - { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbb, - 0xbb, 0xbb, 0xbb, 0x00, 0x00, 0x00, 0x00 }, 116, 3 }, - { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, - 0x55, 0x55, 0x55, 0x00, 0x00, 0x00, 0x00 }, 116, 2 }, - { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, - 0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00 }, 116, 3 }, - /* Transport */ - { { 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 116, 2 }, - { { 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x11, - 0x11, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00 }, 116, 3 }, -}; + *n_rts = *n_rts + 1; +} void -rt_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep) +rt_init(struct socket_ctx *ctx, int32_t socket_id) { char name[PATH_MAX]; uint32_t i; int32_t ret; struct rte_lpm *lpm; struct rte_lpm6 *lpm6; - struct ip4_route *rt; - struct ip6_route *rt6; char a, b, c, d; - uint32_t nb_routes, nb_routes6; struct rte_lpm_config conf = { 0 }; struct rte_lpm6_config conf6 = { 0 }; @@ -200,23 +172,12 @@ rt_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep) rte_exit(EXIT_FAILURE, "IPv6 Routing Table for socket %u " "already initialized\n", socket_id); + if (nb_rt_ip4 == 0 && nb_rt_ip6 == 0) + RTE_LOG(WARNING, IPSEC, "No Routing rule specified\n"); + printf("Creating IPv4 Routing Table (RT) context with %u max routes\n", RT_IPV4_MAX_RULES); - if (ep == 0) { - rt = rt_ip4_ep0; - nb_routes = RTE_DIM(rt_ip4_ep0); - rt6 = rt_ip6_ep0; - nb_routes6 = RTE_DIM(rt_ip6_ep0); - } else if (ep == 1) { - rt = rt_ip4_ep1; - nb_routes = RTE_DIM(rt_ip4_ep1); - rt6 = rt_ip6_ep1; - nb_routes6 = RTE_DIM(rt_ip6_ep1); - } else - rte_exit(EXIT_FAILURE, "Invalid EP value %u. Only 0 or 1 " - "supported.\n", ep); - /* create the LPM table */ snprintf(name, sizeof(name), "%s_%u", "rt_ip4", socket_id); conf.max_rules = RT_IPV4_MAX_RULES; @@ -227,15 +188,17 @@ rt_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep) "on socket %d\n", name, socket_id); /* populate the LPM table */ - for (i = 0; i < nb_routes; i++) { - ret = rte_lpm_add(lpm, rt[i].ip, rt[i].depth, rt[i].if_out); + for (i = 0; i < nb_rt_ip4; i++) { + ret = rte_lpm_add(lpm, rt_ip4[i].ip, rt_ip4[i].depth, + rt_ip4[i].if_out); if (ret < 0) rte_exit(EXIT_FAILURE, "Fail to add entry num %u to %s " "LPM table on socket %d\n", i, name, socket_id); - uint32_t_to_char(rt[i].ip, &a, &b, &c, &d); + uint32_t_to_char(rt_ip4[i].ip, &a, &b, &c, &d); printf("LPM: Adding route %hhu.%hhu.%hhu.%hhu/%hhu (%hhu)\n", - a, b, c, d, rt[i].depth, rt[i].if_out); + a, b, c, d, rt_ip4[i].depth, + rt_ip4[i].if_out); } snprintf(name, sizeof(name), "%s_%u", "rt_ip6", socket_id); @@ -247,24 +210,24 @@ rt_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep) "on socket %d\n", name, socket_id); /* populate the LPM table */ - for (i = 0; i < nb_routes6; i++) { - ret = rte_lpm6_add(lpm6, rt6[i].ip, rt6[i].depth, - rt6[i].if_out); + for (i = 0; i < nb_rt_ip6; i++) { + ret = rte_lpm6_add(lpm6, rt_ip6[i].ip, rt_ip6[i].depth, + rt_ip6[i].if_out); if (ret < 0) rte_exit(EXIT_FAILURE, "Fail to add entry num %u to %s " "LPM table on socket %d\n", i, name, socket_id); printf("LPM6: Adding route " " %hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx/%hhx (%hhx)\n", - (uint16_t)((rt6[i].ip[0] << 8) | rt6[i].ip[1]), - (uint16_t)((rt6[i].ip[2] << 8) | rt6[i].ip[3]), - (uint16_t)((rt6[i].ip[4] << 8) | rt6[i].ip[5]), - (uint16_t)((rt6[i].ip[6] << 8) | rt6[i].ip[7]), - (uint16_t)((rt6[i].ip[8] << 8) | rt6[i].ip[9]), - (uint16_t)((rt6[i].ip[10] << 8) | rt6[i].ip[11]), - (uint16_t)((rt6[i].ip[12] << 8) | rt6[i].ip[13]), - (uint16_t)((rt6[i].ip[14] << 8) | rt6[i].ip[15]), - rt6[i].depth, rt6[i].if_out); + (uint16_t)((rt_ip6[i].ip[0] << 8) | rt_ip6[i].ip[1]), + (uint16_t)((rt_ip6[i].ip[2] << 8) | rt_ip6[i].ip[3]), + (uint16_t)((rt_ip6[i].ip[4] << 8) | rt_ip6[i].ip[5]), + (uint16_t)((rt_ip6[i].ip[6] << 8) | rt_ip6[i].ip[7]), + (uint16_t)((rt_ip6[i].ip[8] << 8) | rt_ip6[i].ip[9]), + (uint16_t)((rt_ip6[i].ip[10] << 8) | rt_ip6[i].ip[11]), + (uint16_t)((rt_ip6[i].ip[12] << 8) | rt_ip6[i].ip[13]), + (uint16_t)((rt_ip6[i].ip[14] << 8) | rt_ip6[i].ip[15]), + rt_ip6[i].depth, rt_ip6[i].if_out); } ctx->rt_ip4 = (struct rt_ctx *)lpm; |