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Diffstat (limited to 'examples/ipsec-secgw/sa.c')
-rw-r--r--examples/ipsec-secgw/sa.c154
1 files changed, 118 insertions, 36 deletions
diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index 7be0e628..4c448e5c 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -41,16 +41,20 @@
#include <rte_memzone.h>
#include <rte_crypto.h>
+#include <rte_security.h>
#include <rte_cryptodev.h>
#include <rte_byteorder.h>
#include <rte_errno.h>
#include <rte_ip.h>
#include <rte_random.h>
+#include <rte_ethdev.h>
#include "ipsec.h"
#include "esp.h"
#include "parser.h"
+#define IPDEFTTL 64
+
struct supported_cipher_algo {
const char *keyword;
enum rte_crypto_cipher_algorithm algo;
@@ -238,6 +242,8 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
uint32_t src_p = 0;
uint32_t dst_p = 0;
uint32_t mode_p = 0;
+ uint32_t type_p = 0;
+ uint32_t portid_p = 0;
if (strcmp(tokens[0], "in") == 0) {
ri = &nb_sa_in;
@@ -375,7 +381,6 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
rule->auth_algo = algo->algo;
rule->auth_key_len = algo->key_len;
rule->digest_len = algo->digest_len;
- rule->aad_len = algo->key_len;
/* NULL algorithm and combined algos do not
* require auth key
@@ -431,7 +436,7 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
rule->aead_algo = algo->algo;
rule->cipher_key_len = algo->key_len;
rule->digest_len = algo->digest_len;
- rule->aad_len = algo->key_len;
+ rule->aad_len = algo->aad_len;
rule->block_size = algo->block_size;
rule->iv_len = algo->iv_len;
@@ -550,6 +555,52 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
continue;
}
+ if (strcmp(tokens[ti], "type") == 0) {
+ APP_CHECK_PRESENCE(type_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ if (strcmp(tokens[ti], "inline-crypto-offload") == 0)
+ rule->type =
+ RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO;
+ else if (strcmp(tokens[ti],
+ "inline-protocol-offload") == 0)
+ rule->type =
+ RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL;
+ else if (strcmp(tokens[ti],
+ "lookaside-protocol-offload") == 0)
+ rule->type =
+ RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL;
+ else if (strcmp(tokens[ti], "no-offload") == 0)
+ rule->type = RTE_SECURITY_ACTION_TYPE_NONE;
+ else {
+ APP_CHECK(0, status, "Invalid input \"%s\"",
+ tokens[ti]);
+ return;
+ }
+
+ type_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "port_id") == 0) {
+ APP_CHECK_PRESENCE(portid_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ rule->portid = atoi(tokens[ti]);
+ if (status->status < 0)
+ return;
+ portid_p = 1;
+ continue;
+ }
+
/* unrecognizeable input */
APP_CHECK(0, status, "unrecognized input \"%s\"",
tokens[ti]);
@@ -580,6 +631,14 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
if (status->status < 0)
return;
+ if ((rule->type != RTE_SECURITY_ACTION_TYPE_NONE) && (portid_p == 0))
+ printf("Missing portid option, falling back to non-offload\n");
+
+ if (!type_p || !portid_p) {
+ rule->type = RTE_SECURITY_ACTION_TYPE_NONE;
+ rule->portid = -1;
+ }
+
*ri = *ri + 1;
}
@@ -647,9 +706,11 @@ print_one_sa_rule(const struct ipsec_sa *sa, int inbound)
struct sa_ctx {
struct ipsec_sa sa[IPSEC_SA_MAX_ENTRIES];
- struct {
- struct rte_crypto_sym_xform a;
- struct rte_crypto_sym_xform b;
+ union {
+ struct {
+ struct rte_crypto_sym_xform a;
+ struct rte_crypto_sym_xform b;
+ };
} xf[IPSEC_SA_MAX_ENTRIES];
};
@@ -682,6 +743,33 @@ sa_create(const char *name, int32_t socket_id)
}
static int
+check_eth_dev_caps(uint16_t portid, uint32_t inbound)
+{
+ struct rte_eth_dev_info dev_info;
+
+ rte_eth_dev_info_get(portid, &dev_info);
+
+ if (inbound) {
+ if ((dev_info.rx_offload_capa &
+ DEV_RX_OFFLOAD_SECURITY) == 0) {
+ RTE_LOG(WARNING, PORT,
+ "hardware RX IPSec offload is not supported\n");
+ return -EINVAL;
+ }
+
+ } else { /* outbound */
+ if ((dev_info.tx_offload_capa &
+ DEV_TX_OFFLOAD_SECURITY) == 0) {
+ RTE_LOG(WARNING, PORT,
+ "hardware TX IPSec offload is not supported\n");
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+
+
+static int
sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
uint32_t nb_entries, uint32_t inbound)
{
@@ -700,6 +788,16 @@ sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
*sa = entries[i];
sa->seq = 0;
+ if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
+ sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+ if (check_eth_dev_caps(sa->portid, inbound))
+ return -EINVAL;
+ }
+
+ sa->direction = (inbound == 1) ?
+ RTE_SECURITY_IPSEC_SA_DIR_INGRESS :
+ RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
+
switch (sa->flags) {
case IP4_TUNNEL:
sa->src.ip.ip4 = rte_cpu_to_be_32(sa->src.ip.ip4);
@@ -709,37 +807,21 @@ sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
iv_length = 16;
- if (inbound) {
- sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_AEAD;
- sa_ctx->xf[idx].a.aead.algo = sa->aead_algo;
- sa_ctx->xf[idx].a.aead.key.data = sa->cipher_key;
- sa_ctx->xf[idx].a.aead.key.length =
- sa->cipher_key_len;
- sa_ctx->xf[idx].a.aead.op =
- RTE_CRYPTO_AEAD_OP_DECRYPT;
- sa_ctx->xf[idx].a.next = NULL;
- sa_ctx->xf[idx].a.aead.iv.offset = IV_OFFSET;
- sa_ctx->xf[idx].a.aead.iv.length = iv_length;
- sa_ctx->xf[idx].a.aead.aad_length =
- sa->aad_len;
- sa_ctx->xf[idx].a.aead.digest_length =
- sa->digest_len;
- } else { /* outbound */
- sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_AEAD;
- sa_ctx->xf[idx].a.aead.algo = sa->aead_algo;
- sa_ctx->xf[idx].a.aead.key.data = sa->cipher_key;
- sa_ctx->xf[idx].a.aead.key.length =
- sa->cipher_key_len;
- sa_ctx->xf[idx].a.aead.op =
- RTE_CRYPTO_AEAD_OP_ENCRYPT;
- sa_ctx->xf[idx].a.next = NULL;
- sa_ctx->xf[idx].a.aead.iv.offset = IV_OFFSET;
- sa_ctx->xf[idx].a.aead.iv.length = iv_length;
- sa_ctx->xf[idx].a.aead.aad_length =
- sa->aad_len;
- sa_ctx->xf[idx].a.aead.digest_length =
- sa->digest_len;
- }
+ sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_AEAD;
+ sa_ctx->xf[idx].a.aead.algo = sa->aead_algo;
+ sa_ctx->xf[idx].a.aead.key.data = sa->cipher_key;
+ sa_ctx->xf[idx].a.aead.key.length =
+ sa->cipher_key_len;
+ sa_ctx->xf[idx].a.aead.op = (inbound == 1) ?
+ RTE_CRYPTO_AEAD_OP_DECRYPT :
+ RTE_CRYPTO_AEAD_OP_ENCRYPT;
+ sa_ctx->xf[idx].a.next = NULL;
+ sa_ctx->xf[idx].a.aead.iv.offset = IV_OFFSET;
+ sa_ctx->xf[idx].a.aead.iv.length = iv_length;
+ sa_ctx->xf[idx].a.aead.aad_length =
+ sa->aad_len;
+ sa_ctx->xf[idx].a.aead.digest_length =
+ sa->digest_len;
sa->xforms = &sa_ctx->xf[idx].a;