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Diffstat (limited to 'examples/ipsec-secgw/rt.c')
-rw-r--r--examples/ipsec-secgw/rt.c255
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;