#define IP6_FULL_MASK (sizeof(((struct ip_addr *)NULL)->ip.ip6.ip6) * CHAR_BIT)
+#define MBUF_NO_SEC_OFFLOAD(m) ((m->ol_flags & PKT_RX_SEC_OFFLOAD) == 0)
+
struct supported_cipher_algo {
const char *keyword;
enum rte_crypto_cipher_algorithm algo;
uint32_t mode_p = 0;
uint32_t type_p = 0;
uint32_t portid_p = 0;
+ uint32_t fallback_p = 0;
if (strcmp(tokens[0], "in") == 0) {
ri = &nb_sa_in;
return;
rule = &sa_in[*ri];
+ rule->direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
} else {
ri = &nb_sa_out;
return;
rule = &sa_out[*ri];
+ rule->direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
}
/* spi number */
if (atoi(tokens[1]) == INVALID_SPI)
return;
rule->spi = atoi(tokens[1]);
- ips = ipsec_get_session(rule);
+ ips = ipsec_get_primary_session(rule);
for (ti = 2; ti < n_tokens; ti++) {
if (strcmp(tokens[ti], "mode") == 0) {
continue;
}
+ if (strcmp(tokens[ti], "fallback") == 0) {
+ struct rte_ipsec_session *fb;
+
+ APP_CHECK(app_sa_prm.enable, status, "Fallback session "
+ "not allowed for legacy mode.");
+ if (status->status < 0)
+ return;
+ APP_CHECK(ips->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO, status,
+ "Fallback session allowed if primary session "
+ "is of type inline-crypto-offload only.");
+ if (status->status < 0)
+ return;
+ APP_CHECK(rule->direction ==
+ RTE_SECURITY_IPSEC_SA_DIR_INGRESS, status,
+ "Fallback session not allowed for egress "
+ "rule");
+ if (status->status < 0)
+ return;
+ APP_CHECK_PRESENCE(fallback_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ fb = ipsec_get_fallback_session(rule);
+ if (strcmp(tokens[ti], "lookaside-none") == 0) {
+ fb->type = RTE_SECURITY_ACTION_TYPE_NONE;
+ } else {
+ APP_CHECK(0, status, "unrecognized fallback "
+ "type %s.", tokens[ti]);
+ return;
+ }
+
+ rule->fallback_sessions = 1;
+ fallback_p = 1;
+ continue;
+ }
+
/* unrecognizeable input */
APP_CHECK(0, status, "unrecognized input \"%s\"",
tokens[ti]);
uint32_t i;
uint8_t a, b, c, d;
const struct rte_ipsec_session *ips;
+ const struct rte_ipsec_session *fallback_ips;
printf("\tspi_%s(%3u):", inbound?"in":"out", sa->spi);
break;
}
- ips = &sa->ips;
+ ips = &sa->sessions[IPSEC_SESSION_PRIMARY];
printf(" type:");
switch (ips->type) {
case RTE_SECURITY_ACTION_TYPE_NONE:
printf("lookaside-protocol-offload ");
break;
}
+
+ fallback_ips = &sa->sessions[IPSEC_SESSION_FALLBACK];
+ if (fallback_ips != NULL && sa->fallback_sessions > 0) {
+ printf("inline fallback: ");
+ if (fallback_ips->type == RTE_SECURITY_ACTION_TYPE_NONE)
+ printf("lookaside-none");
+ else
+ printf("invalid");
+ }
printf("\n");
}
}
*sa = entries[i];
sa->seq = 0;
- ips = ipsec_get_session(sa);
+ ips = ipsec_get_primary_session(sa);
if (ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
ips->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
return -EINVAL;
}
- sa->direction = (inbound == 1) ?
- RTE_SECURITY_IPSEC_SA_DIR_INGRESS :
- RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
switch (WITHOUT_TRANSPORT_VERSION(sa->flags)) {
case IP4_TUNNEL:
sa->xforms = &sa_ctx->xf[idx].a;
- ips = ipsec_get_session(sa);
+ ips = ipsec_get_primary_session(sa);
if (ips->type ==
RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
ips->type ==
if (rc < 0)
return rc;
- /* init processing session */
- ips = ipsec_get_session(lsa);
+ /* init primary processing session */
+ ips = ipsec_get_primary_session(lsa);
rc = fill_ipsec_session(ips, sa);
+ if (rc != 0)
+ return rc;
+
+ /* init inline fallback processing session */
+ if (lsa->fallback_sessions == 1)
+ rc = fill_ipsec_session(ipsec_get_fallback_session(lsa), sa);
return rc;
}
static inline void
single_inbound_lookup(struct ipsec_sa *sadb, struct rte_mbuf *pkt,
- struct ipsec_sa **sa_ret)
+ void **sa_ret)
{
struct rte_esp_hdr *esp;
struct ip *ip;
uint32_t *src4_addr;
uint8_t *src6_addr;
struct ipsec_sa *sa;
+ void *result_sa;
*sa_ret = NULL;
if (esp->spi == INVALID_SPI)
return;
- sa = &sadb[SPI2IDX(rte_be_to_cpu_32(esp->spi))];
+ result_sa = sa = &sadb[SPI2IDX(rte_be_to_cpu_32(esp->spi))];
if (rte_be_to_cpu_32(esp->spi) != sa->spi)
return;
+ /*
+ * Mark need for inline offload fallback on the LSB of SA pointer.
+ * Thanks to packet grouping mechanism which ipsec_process is using
+ * packets marked for fallback processing will form separate group.
+ *
+ * Because it is not safe to use SA pointer it is casted to generic
+ * pointer to prevent from unintentional use. Use ipsec_mask_saptr
+ * to get valid struct pointer.
+ */
+ if (MBUF_NO_SEC_OFFLOAD(pkt) && sa->fallback_sessions > 0) {
+ uintptr_t intsa = (uintptr_t)sa;
+ intsa |= IPSEC_SA_OFFLOAD_FALLBACK_FLAG;
+ result_sa = (void *)intsa;
+ }
+
switch (WITHOUT_TRANSPORT_VERSION(sa->flags)) {
case IP4_TUNNEL:
src4_addr = RTE_PTR_ADD(ip, offsetof(struct ip, ip_src));
if ((ip->ip_v == IPVERSION) &&
(sa->src.ip.ip4 == *src4_addr) &&
(sa->dst.ip.ip4 == *(src4_addr + 1)))
- *sa_ret = sa;
+ *sa_ret = result_sa;
break;
case IP6_TUNNEL:
src6_addr = RTE_PTR_ADD(ip, offsetof(struct ip6_hdr, ip6_src));
if ((ip->ip_v == IP6_VERSION) &&
!memcmp(&sa->src.ip.ip6.ip6, src6_addr, 16) &&
!memcmp(&sa->dst.ip.ip6.ip6, src6_addr + 16, 16))
- *sa_ret = sa;
+ *sa_ret = result_sa;
break;
case TRANSPORT:
- *sa_ret = sa;
+ *sa_ret = result_sa;
}
}
void
inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
- struct ipsec_sa *sa[], uint16_t nb_pkts)
+ void *sa[], uint16_t nb_pkts)
{
uint32_t i;
void
outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
- struct ipsec_sa *sa[], uint16_t nb_pkts)
+ void *sa[], uint16_t nb_pkts)
{
uint32_t i;