/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016-2017 Intel Corporation
+ * Copyright(c) 2016-2020 Intel Corporation
*/
/*
#include "ipsec.h"
#include "esp.h"
#include "parser.h"
+#include "sad.h"
#define IPDEFTTL 64
.block_size = 16,
.key_len = 16
},
+ {
+ .keyword = "aes-192-cbc",
+ .algo = RTE_CRYPTO_CIPHER_AES_CBC,
+ .iv_len = 16,
+ .block_size = 16,
+ .key_len = 24
+ },
{
.keyword = "aes-256-cbc",
.algo = RTE_CRYPTO_CIPHER_AES_CBC,
.key_len = 20,
.digest_len = 16,
.aad_len = 8,
+ },
+ {
+ .keyword = "aes-192-gcm",
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .iv_len = 8,
+ .block_size = 4,
+ .key_len = 28,
+ .digest_len = 16,
+ .aad_len = 8,
+ },
+ {
+ .keyword = "aes-256-gcm",
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .iv_len = 8,
+ .block_size = 4,
+ .key_len = 36,
+ .digest_len = 16,
+ .aad_len = 8,
}
};
-static struct ipsec_sa sa_out[IPSEC_SA_MAX_ENTRIES];
-static uint32_t nb_sa_out;
+#define SA_INIT_NB 128
+
+struct ipsec_sa *sa_out;
+uint32_t nb_sa_out;
+static uint32_t sa_out_sz;
+static struct ipsec_sa_cnt sa_out_cnt;
-static struct ipsec_sa sa_in[IPSEC_SA_MAX_ENTRIES];
-static uint32_t nb_sa_in;
+struct ipsec_sa *sa_in;
+uint32_t nb_sa_in;
+static uint32_t sa_in_sz;
+static struct ipsec_sa_cnt sa_in_cnt;
static const struct supported_cipher_algo *
find_match_cipher_algo(const char *cipher_keyword)
return nb_bytes;
}
+static int
+extend_sa_arr(struct ipsec_sa **sa_tbl, uint32_t cur_cnt, uint32_t *cur_sz)
+{
+ if (*sa_tbl == NULL) {
+ *sa_tbl = calloc(SA_INIT_NB, sizeof(struct ipsec_sa));
+ if (*sa_tbl == NULL)
+ return -1;
+ *cur_sz = SA_INIT_NB;
+ return 0;
+ }
+
+ if (cur_cnt >= *cur_sz) {
+ *sa_tbl = realloc(*sa_tbl,
+ *cur_sz * sizeof(struct ipsec_sa) * 2);
+ if (*sa_tbl == NULL)
+ return -1;
+ /* clean reallocated extra space */
+ memset(&(*sa_tbl)[*cur_sz], 0,
+ *cur_sz * sizeof(struct ipsec_sa));
+ *cur_sz *= 2;
+ }
+
+ return 0;
+}
+
void
parse_sa_tokens(char **tokens, uint32_t n_tokens,
struct parse_status *status)
struct rte_ipsec_session *ips;
uint32_t ti; /*token index*/
uint32_t *ri /*rule index*/;
+ struct ipsec_sa_cnt *sa_cnt;
uint32_t cipher_algo_p = 0;
uint32_t auth_algo_p = 0;
uint32_t aead_algo_p = 0;
uint32_t type_p = 0;
uint32_t portid_p = 0;
uint32_t fallback_p = 0;
+ int16_t status_p = 0;
if (strcmp(tokens[0], "in") == 0) {
ri = &nb_sa_in;
-
- APP_CHECK(*ri <= IPSEC_SA_MAX_ENTRIES - 1, status,
- "too many sa rules, abort insertion\n");
- if (status->status < 0)
+ sa_cnt = &sa_in_cnt;
+ if (extend_sa_arr(&sa_in, nb_sa_in, &sa_in_sz) < 0)
return;
-
rule = &sa_in[*ri];
rule->direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
} else {
ri = &nb_sa_out;
-
- APP_CHECK(*ri <= IPSEC_SA_MAX_ENTRIES - 1, status,
- "too many sa rules, abort insertion\n");
- if (status->status < 0)
+ sa_cnt = &sa_out_cnt;
+ if (extend_sa_arr(&sa_out, nb_sa_out, &sa_out_sz) < 0)
return;
-
rule = &sa_out[*ri];
rule->direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
}
if (atoi(tokens[1]) == INVALID_SPI)
return;
rule->spi = atoi(tokens[1]);
+ rule->portid = UINT16_MAX;
ips = ipsec_get_primary_session(rule);
for (ti = 2; ti < n_tokens; ti++) {
if (status->status < 0)
return;
- if (strcmp(tokens[ti], "ipv4-tunnel") == 0)
+ if (strcmp(tokens[ti], "ipv4-tunnel") == 0) {
+ sa_cnt->nb_v4++;
rule->flags = IP4_TUNNEL;
- else if (strcmp(tokens[ti], "ipv6-tunnel") == 0)
+ } else if (strcmp(tokens[ti], "ipv6-tunnel") == 0) {
+ sa_cnt->nb_v6++;
rule->flags = IP6_TUNNEL;
- else if (strcmp(tokens[ti], "transport") == 0)
+ } else if (strcmp(tokens[ti], "transport") == 0) {
+ sa_cnt->nb_v4++;
+ sa_cnt->nb_v6++;
rule->flags = TRANSPORT;
- else {
+ } else {
APP_CHECK(0, status, "unrecognized "
"input \"%s\"", tokens[ti]);
return;
RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL;
else if (strcmp(tokens[ti], "no-offload") == 0)
ips->type = RTE_SECURITY_ACTION_TYPE_NONE;
+ else if (strcmp(tokens[ti], "cpu-crypto") == 0)
+ ips->type = RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO;
else {
APP_CHECK(0, status, "Invalid input \"%s\"",
tokens[ti]);
INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
if (status->status < 0)
return;
- rule->portid = atoi(tokens[ti]);
- if (status->status < 0)
+ if (rule->portid == UINT16_MAX)
+ rule->portid = atoi(tokens[ti]);
+ else if (rule->portid != atoi(tokens[ti])) {
+ APP_CHECK(0, status,
+ "portid %s not matching with already assigned portid %u",
+ tokens[ti], rule->portid);
return;
+ }
portid_p = 1;
continue;
}
if (status->status < 0)
return;
fb = ipsec_get_fallback_session(rule);
- if (strcmp(tokens[ti], "lookaside-none") == 0) {
+ if (strcmp(tokens[ti], "lookaside-none") == 0)
fb->type = RTE_SECURITY_ACTION_TYPE_NONE;
- } else {
+ else if (strcmp(tokens[ti], "cpu-crypto") == 0)
+ fb->type = RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO;
+ else {
APP_CHECK(0, status, "unrecognized fallback "
"type %s.", tokens[ti]);
return;
fallback_p = 1;
continue;
}
+ if (strcmp(tokens[ti], "flow-direction") == 0) {
+ switch (ips->type) {
+ case RTE_SECURITY_ACTION_TYPE_NONE:
+ case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
+ rule->fdir_flag = 1;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ if (rule->portid == UINT16_MAX)
+ rule->portid = atoi(tokens[ti]);
+ else if (rule->portid != atoi(tokens[ti])) {
+ APP_CHECK(0, status,
+ "portid %s not matching with already assigned portid %u",
+ tokens[ti], rule->portid);
+ return;
+ }
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ rule->fdir_qid = atoi(tokens[ti]);
+ /* validating portid and queueid */
+ status_p = check_flow_params(rule->portid,
+ rule->fdir_qid);
+ if (status_p < 0) {
+ printf("port id %u / queue id %u is "
+ "not valid\n", rule->portid,
+ rule->fdir_qid);
+ }
+ break;
+ case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
+ case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
+ case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL:
+ default:
+ APP_CHECK(0, status,
+ "flow director not supported for security session type %d",
+ ips->type);
+ return;
+ }
+ continue;
+ }
/* unrecognizeable input */
APP_CHECK(0, status, "unrecognized input \"%s\"",
if (status->status < 0)
return;
- if ((ips->type != RTE_SECURITY_ACTION_TYPE_NONE) && (portid_p == 0))
+ if ((ips->type != RTE_SECURITY_ACTION_TYPE_NONE && ips->type !=
+ RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) && (portid_p == 0))
printf("Missing portid option, falling back to non-offload\n");
- if (!type_p || !portid_p) {
+ if (!type_p || (!portid_p && ips->type !=
+ RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO)) {
ips->type = RTE_SECURITY_ACTION_TYPE_NONE;
- rule->portid = -1;
}
*ri = *ri + 1;
}
for (i = 0; i < RTE_DIM(aead_algos); i++) {
- if (aead_algos[i].algo == sa->aead_algo) {
+ if (aead_algos[i].algo == sa->aead_algo &&
+ aead_algos[i].key_len-4 == sa->cipher_key_len) {
printf("%s ", aead_algos[i].keyword);
break;
}
case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL:
printf("lookaside-protocol-offload ");
break;
+ case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
+ printf("cpu-crypto-accelerated ");
+ 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)
+ switch (fallback_ips->type) {
+ case RTE_SECURITY_ACTION_TYPE_NONE:
printf("lookaside-none");
- else
+ break;
+ case RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO:
+ printf("cpu-crypto-accelerated");
+ break;
+ default:
printf("invalid");
+ break;
+ }
}
+ if (sa->fdir_flag == 1)
+ printf("flow-direction port %d queue %d", sa->portid,
+ sa->fdir_qid);
+
printf("\n");
}
-struct sa_ctx {
- void *satbl; /* pointer to array of rte_ipsec_sa objects*/
- struct ipsec_sa sa[IPSEC_SA_MAX_ENTRIES];
- union {
- struct {
- struct rte_crypto_sym_xform a;
- struct rte_crypto_sym_xform b;
- };
- } xf[IPSEC_SA_MAX_ENTRIES];
-};
-
static struct sa_ctx *
-sa_create(const char *name, int32_t socket_id)
+sa_create(const char *name, int32_t socket_id, uint32_t nb_sa)
{
char s[PATH_MAX];
struct sa_ctx *sa_ctx;
snprintf(s, sizeof(s), "%s_%u", name, socket_id);
- /* Create SA array table */
+ /* Create SA context */
printf("Creating SA context with %u maximum entries on socket %d\n",
- IPSEC_SA_MAX_ENTRIES, socket_id);
+ nb_sa, socket_id);
- mz_size = sizeof(struct sa_ctx);
+ mz_size = sizeof(struct ipsec_xf) * nb_sa;
mz = rte_memzone_reserve(s, mz_size, socket_id,
RTE_MEMZONE_1GB | RTE_MEMZONE_SIZE_HINT_ONLY);
if (mz == NULL) {
- printf("Failed to allocate SA DB memory\n");
+ printf("Failed to allocate SA XFORM memory\n");
+ rte_errno = ENOMEM;
+ return NULL;
+ }
+
+ sa_ctx = rte_zmalloc(NULL, sizeof(struct sa_ctx) +
+ sizeof(struct ipsec_sa) * nb_sa, RTE_CACHE_LINE_SIZE);
+
+ if (sa_ctx == NULL) {
+ printf("Failed to allocate SA CTX memory\n");
rte_errno = ENOMEM;
+ rte_memzone_free(mz);
return NULL;
}
- sa_ctx = (struct sa_ctx *)mz->addr;
+ sa_ctx->xf = (struct ipsec_xf *)mz->addr;
+ sa_ctx->nb_sa = nb_sa;
return sa_ctx;
}
aad_length = (app_sa_prm.enable_esn != 0) ? sizeof(uint32_t) : 0;
for (i = 0; i < nb_entries; i++) {
- idx = SPI2IDX(entries[i].spi);
+ idx = i;
sa = &sa_ctx->sa[idx];
if (sa->spi != 0) {
printf("Index %u already in use by SPI %u\n",
return -EINVAL;
}
*sa = entries[i];
+
+ if (inbound) {
+ rc = ipsec_sad_add(&sa_ctx->sad, sa);
+ if (rc != 0)
+ return rc;
+ }
+
sa->seq = 0;
ips = ipsec_get_primary_session(sa);
return -EINVAL;
}
-
switch (WITHOUT_TRANSPORT_VERSION(sa->flags)) {
case IP4_TUNNEL:
sa->src.ip.ip4 = rte_cpu_to_be_32(sa->src.ip.ip4);
}
if (sa->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) {
- struct rte_ipsec_session *ips;
iv_length = 12;
sa_ctx->xf[idx].a.type = RTE_CRYPTO_SYM_XFORM_AEAD;
sa->digest_len;
sa->xforms = &sa_ctx->xf[idx].a;
-
- ips = ipsec_get_primary_session(sa);
- if (ips->type ==
- RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
- ips->type ==
- RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
- rc = create_inline_session(skt_ctx, sa, ips);
- if (rc != 0) {
- RTE_LOG(ERR, IPSEC_ESP,
- "create_inline_session() failed\n");
- return -EINVAL;
- }
- }
- print_one_sa_rule(sa, inbound);
} else {
switch (sa->cipher_algo) {
case RTE_CRYPTO_CIPHER_NULL:
sa_ctx->xf[idx].a.next = &sa_ctx->xf[idx].b;
sa_ctx->xf[idx].b.next = NULL;
sa->xforms = &sa_ctx->xf[idx].a;
+ }
- print_one_sa_rule(sa, inbound);
+ if (ips->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
+ ips->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+ rc = create_inline_session(skt_ctx, sa, ips);
+ if (rc != 0) {
+ RTE_LOG(ERR, IPSEC_ESP,
+ "create_inline_session() failed\n");
+ return -EINVAL;
+ }
}
+
+ if (sa->fdir_flag && inbound) {
+ rc = create_ipsec_esp_flow(sa);
+ if (rc != 0)
+ RTE_LOG(ERR, IPSEC_ESP,
+ "create_ipsec_esp_flow() failed %s\n",
+ strerror(rc));
+ }
+ print_one_sa_rule(sa, inbound);
}
return 0;
* one per session.
*/
static int
-ipsec_satbl_init(struct sa_ctx *ctx, const struct ipsec_sa *ent,
- uint32_t nb_ent, int32_t socket)
+ipsec_satbl_init(struct sa_ctx *ctx, uint32_t nb_ent, int32_t socket)
{
int32_t rc, sz;
uint32_t i, idx;
struct rte_ipsec_sa_prm prm;
/* determine SA size */
- idx = SPI2IDX(ent[0].spi);
+ idx = 0;
fill_ipsec_sa_prm(&prm, ctx->sa + idx, NULL, NULL);
sz = rte_ipsec_sa_size(&prm);
if (sz < 0) {
rc = 0;
for (i = 0; i != nb_ent && rc == 0; i++) {
- idx = SPI2IDX(ent[i].spi);
+ idx = i;
sa = (struct rte_ipsec_sa *)((uintptr_t)ctx->satbl + sz * i);
lsa = ctx->sa + idx;
return rc;
}
+static int
+sa_cmp(const void *p, const void *q)
+{
+ uint32_t spi1 = ((const struct ipsec_sa *)p)->spi;
+ uint32_t spi2 = ((const struct ipsec_sa *)q)->spi;
+
+ return (int)(spi1 - spi2);
+}
+
/*
* Walk through all SA rules to find an SA with given SPI
*/
int
-sa_spi_present(uint32_t spi, int inbound)
+sa_spi_present(struct sa_ctx *sa_ctx, uint32_t spi, int inbound)
{
- uint32_t i, num;
+ uint32_t num;
+ struct ipsec_sa *sa;
+ struct ipsec_sa tmpl;
const struct ipsec_sa *sar;
- if (inbound != 0) {
- sar = sa_in;
+ sar = sa_ctx->sa;
+ if (inbound != 0)
num = nb_sa_in;
- } else {
- sar = sa_out;
+ else
num = nb_sa_out;
- }
- for (i = 0; i != num; i++) {
- if (sar[i].spi == spi)
- return i;
- }
+ tmpl.spi = spi;
+
+ sa = bsearch(&tmpl, sar, num, sizeof(struct ipsec_sa), sa_cmp);
+ if (sa != NULL)
+ return RTE_PTR_DIFF(sa, sar) / sizeof(struct ipsec_sa);
return -ENOENT;
}
if (nb_sa_in > 0) {
name = "sa_in";
- ctx->sa_in = sa_create(name, socket_id);
+ ctx->sa_in = sa_create(name, socket_id, nb_sa_in);
if (ctx->sa_in == NULL)
rte_exit(EXIT_FAILURE, "Error [%d] creating SA "
"context %s in socket %d\n", rte_errno,
name, socket_id);
+ rc = ipsec_sad_create(name, &ctx->sa_in->sad, socket_id,
+ &sa_in_cnt);
+ if (rc != 0)
+ rte_exit(EXIT_FAILURE, "failed to init SAD\n");
+
sa_in_add_rules(ctx->sa_in, sa_in, nb_sa_in, ctx);
if (app_sa_prm.enable != 0) {
- rc = ipsec_satbl_init(ctx->sa_in, sa_in, nb_sa_in,
+ rc = ipsec_satbl_init(ctx->sa_in, nb_sa_in,
socket_id);
if (rc != 0)
rte_exit(EXIT_FAILURE,
if (nb_sa_out > 0) {
name = "sa_out";
- ctx->sa_out = sa_create(name, socket_id);
+ ctx->sa_out = sa_create(name, socket_id, nb_sa_out);
if (ctx->sa_out == NULL)
rte_exit(EXIT_FAILURE, "Error [%d] creating SA "
"context %s in socket %d\n", rte_errno,
sa_out_add_rules(ctx->sa_out, sa_out, nb_sa_out, ctx);
if (app_sa_prm.enable != 0) {
- rc = ipsec_satbl_init(ctx->sa_out, sa_out, nb_sa_out,
+ rc = ipsec_satbl_init(ctx->sa_out, nb_sa_out,
socket_id);
if (rc != 0)
rte_exit(EXIT_FAILURE,
return 0;
}
-static inline void
-single_inbound_lookup(struct ipsec_sa *sadb, struct rte_mbuf *pkt,
- void **sa_ret)
+void
+inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
+ void *sa_arr[], uint16_t nb_pkts)
{
- struct rte_esp_hdr *esp;
- struct ip *ip;
- uint32_t *src4_addr;
- uint8_t *src6_addr;
- struct ipsec_sa *sa;
+ uint32_t i;
void *result_sa;
+ struct ipsec_sa *sa;
- *sa_ret = NULL;
-
- ip = rte_pktmbuf_mtod(pkt, struct ip *);
- esp = rte_pktmbuf_mtod_offset(pkt, struct rte_esp_hdr *, pkt->l3_len);
-
- if (esp->spi == INVALID_SPI)
- return;
-
- result_sa = sa = &sadb[SPI2IDX(rte_be_to_cpu_32(esp->spi))];
- if (rte_be_to_cpu_32(esp->spi) != sa->spi)
- return;
+ sad_lookup(&sa_ctx->sad, pkts, sa_arr, nb_pkts);
/*
* Mark need for inline offload fallback on the LSB of SA pointer.
* 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;
- }
+ for (i = 0; i < nb_pkts; i++) {
+ if (sa_arr[i] == NULL)
+ continue;
- 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 = 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 = result_sa;
- break;
- case TRANSPORT:
- *sa_ret = result_sa;
+ result_sa = sa = sa_arr[i];
+ if (MBUF_NO_SEC_OFFLOAD(pkts[i]) &&
+ sa->fallback_sessions > 0) {
+ uintptr_t intsa = (uintptr_t)sa;
+ intsa |= IPSEC_SA_OFFLOAD_FALLBACK_FLAG;
+ result_sa = (void *)intsa;
+ }
+ sa_arr[i] = result_sa;
}
}
-void
-inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
- void *sa[], uint16_t nb_pkts)
-{
- uint32_t i;
-
- for (i = 0; i < nb_pkts; i++)
- single_inbound_lookup(sa_ctx->sa, pkts[i], &sa[i]);
-}
-
void
outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
void *sa[], uint16_t nb_pkts)
}
return 0;
}
+
+void
+sa_sort_arr(void)
+{
+ qsort(sa_in, nb_sa_in, sizeof(struct ipsec_sa), sa_cmp);
+ qsort(sa_out, nb_sa_out, sizeof(struct ipsec_sa), sa_cmp);
+}
git.droids-corp.org / dpdk.git / blobdiff