From: Archana Muniganti <marchana@marvell.com>
To: <gakhil@marvell.com>
Cc: Archana Muniganti <marchana@marvell.com>, <ktejasree@marvell.com>,
<adwivedi@marvell.com>, <anoobj@marvell.com>,
<jerinj@marvell.com>, <dev@dpdk.org>,
Vamsi Attunuru <vattunuru@marvell.com>
Subject: [dpdk-dev] [PATCH 4/8] crypto/cnxk: add cn9k IPsec outbound session create function
Date: Thu, 2 Sep 2021 19:12:50 +0530 [thread overview]
Message-ID: <20210902134254.28373-5-marchana@marvell.com> (raw)
In-Reply-To: <20210902134254.28373-1-marchana@marvell.com>
Adding logic for IPsec outbound session creation.
Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
---
drivers/crypto/cnxk/cn9k_ipsec.c | 143 +++++++++++++++++++++++++++++--
drivers/crypto/cnxk/cn9k_ipsec.h | 17 ++++
2 files changed, 155 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/cnxk/cn9k_ipsec.c b/drivers/crypto/cnxk/cn9k_ipsec.c
index dd02cc7764..52fbc5e350 100644
--- a/drivers/crypto/cnxk/cn9k_ipsec.c
+++ b/drivers/crypto/cnxk/cn9k_ipsec.c
@@ -3,6 +3,7 @@
*/
#include <rte_cryptodev.h>
+#include <rte_ip.h>
#include <rte_security.h>
#include <rte_security_driver.h>
@@ -275,12 +276,144 @@ cn9k_ipsec_outb_sa_create(struct cnxk_cpt_qp *qp,
struct rte_crypto_sym_xform *crypto_xform,
struct rte_security_session *sec_sess)
{
- RTE_SET_USED(qp);
- RTE_SET_USED(ipsec);
- RTE_SET_USED(crypto_xform);
- RTE_SET_USED(sec_sess);
+ struct rte_crypto_sym_xform *auth_xform = crypto_xform->next;
+ struct roc_ie_on_ip_template *template = NULL;
+ struct cnxk_cpt_inst_tmpl *inst_tmpl;
+ struct roc_ie_on_outb_sa *out_sa;
+ struct cn9k_sec_session *sess;
+ struct roc_ie_on_sa_ctl *ctl;
+ struct cn9k_ipsec_sa *sa;
+ struct rte_ipv6_hdr *ip6;
+ struct rte_ipv4_hdr *ip4;
+ const uint8_t *auth_key;
+ union cpt_inst_w4 w4;
+ union cpt_inst_w7 w7;
+ int auth_key_len = 0;
+ size_t ctx_len;
+ int ret;
- return 0;
+ sess = get_sec_session_private_data(sec_sess);
+ sa = &sess->sa;
+ out_sa = &sa->out_sa;
+ ctl = &out_sa->common_sa.ctl;
+
+ memset(sa, 0, sizeof(struct cn9k_ipsec_sa));
+
+ /* Initialize lookaside IPsec private data */
+ sa->dir = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
+ /* Start ip id from 1 */
+ sa->ip_id = 1;
+ sa->seq_lo = 1;
+ sa->seq_hi = 0;
+
+ ret = fill_ipsec_common_sa(ipsec, crypto_xform, &out_sa->common_sa);
+ if (ret)
+ return ret;
+
+ ret = cnxk_ipsec_outb_rlens_get(&sa->rlens, ipsec, crypto_xform);
+ if (ret)
+ return ret;
+
+ if (ctl->enc_type == ROC_IE_ON_SA_ENC_AES_GCM) {
+ template = &out_sa->aes_gcm.template;
+ ctx_len = offsetof(struct roc_ie_on_outb_sa, aes_gcm.template);
+ } else if (ctl->auth_type == ROC_IE_ON_SA_AUTH_SHA1) {
+ template = &out_sa->sha1.template;
+ ctx_len = offsetof(struct roc_ie_on_outb_sa, sha1.template);
+ } else if (ctl->auth_type == ROC_IE_ON_SA_AUTH_SHA2_256) {
+ template = &out_sa->sha2.template;
+ ctx_len = offsetof(struct roc_ie_on_outb_sa, sha2.template);
+ } else {
+ return -EINVAL;
+ }
+
+ ip4 = (struct rte_ipv4_hdr *)&template->ip4.ipv4_hdr;
+ if (ipsec->options.udp_encap) {
+ ip4->next_proto_id = IPPROTO_UDP;
+ template->ip4.udp_src = rte_be_to_cpu_16(4500);
+ template->ip4.udp_dst = rte_be_to_cpu_16(4500);
+ } else {
+ ip4->next_proto_id = IPPROTO_ESP;
+ }
+
+ if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+ if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
+ ctx_len += sizeof(template->ip4);
+
+ ip4->version_ihl = RTE_IPV4_VHL_DEF;
+ ip4->time_to_live = ipsec->tunnel.ipv4.ttl;
+ ip4->type_of_service |= (ipsec->tunnel.ipv4.dscp << 2);
+ if (ipsec->tunnel.ipv4.df)
+ ip4->fragment_offset = BIT(14);
+ memcpy(&ip4->src_addr, &ipsec->tunnel.ipv4.src_ip,
+ sizeof(struct in_addr));
+ memcpy(&ip4->dst_addr, &ipsec->tunnel.ipv4.dst_ip,
+ sizeof(struct in_addr));
+ } else if (ipsec->tunnel.type ==
+ RTE_SECURITY_IPSEC_TUNNEL_IPV6) {
+ ctx_len += sizeof(template->ip6);
+
+ ip6 = (struct rte_ipv6_hdr *)&template->ip6.ipv6_hdr;
+ if (ipsec->options.udp_encap) {
+ ip6->proto = IPPROTO_UDP;
+ template->ip6.udp_src = rte_be_to_cpu_16(4500);
+ template->ip6.udp_dst = rte_be_to_cpu_16(4500);
+ } else {
+ ip6->proto = (ipsec->proto ==
+ RTE_SECURITY_IPSEC_SA_PROTO_ESP) ?
+ IPPROTO_ESP :
+ IPPROTO_AH;
+ }
+ ip6->vtc_flow =
+ rte_cpu_to_be_32(0x60000000 |
+ ((ipsec->tunnel.ipv6.dscp
+ << RTE_IPV6_HDR_TC_SHIFT) &
+ RTE_IPV6_HDR_TC_MASK) |
+ ((ipsec->tunnel.ipv6.flabel
+ << RTE_IPV6_HDR_FL_SHIFT) &
+ RTE_IPV6_HDR_FL_MASK));
+ ip6->hop_limits = ipsec->tunnel.ipv6.hlimit;
+ memcpy(&ip6->src_addr, &ipsec->tunnel.ipv6.src_addr,
+ sizeof(struct in6_addr));
+ memcpy(&ip6->dst_addr, &ipsec->tunnel.ipv6.dst_addr,
+ sizeof(struct in6_addr));
+ }
+ } else
+ ctx_len += sizeof(template->ip4);
+
+ ctx_len += RTE_ALIGN_CEIL(ctx_len, 8);
+
+ if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+ sa->cipher_iv_off = crypto_xform->aead.iv.offset;
+ sa->cipher_iv_len = crypto_xform->aead.iv.length;
+ } else {
+ sa->cipher_iv_off = crypto_xform->cipher.iv.offset;
+ sa->cipher_iv_len = crypto_xform->cipher.iv.length;
+
+ auth_key = auth_xform->auth.key.data;
+ auth_key_len = auth_xform->auth.key.length;
+
+ if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
+ memcpy(out_sa->sha1.hmac_key, auth_key, auth_key_len);
+ else if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA256_HMAC)
+ memcpy(out_sa->sha2.hmac_key, auth_key, auth_key_len);
+ }
+
+ inst_tmpl = &sa->inst;
+
+ w4.u64 = 0;
+ w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_PROCESS_OUTBOUND_IPSEC;
+ w4.s.opcode_minor = ctx_len >> 3;
+ w4.s.param1 = ROC_IE_ON_PER_PKT_IV;
+ inst_tmpl->w4 = w4.u64;
+
+ w7.u64 = 0;
+ w7.s.egrp = ROC_CPT_DFLT_ENG_GRP_SE;
+ w7.s.cptr = rte_mempool_virt2iova(out_sa);
+ inst_tmpl->w7 = w7.u64;
+
+ return cn9k_cpt_enq_sa_write(
+ sa, qp, ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_OUTBOUND, ctx_len);
}
static int
diff --git a/drivers/crypto/cnxk/cn9k_ipsec.h b/drivers/crypto/cnxk/cn9k_ipsec.h
index 0fe78df49b..13d522ec6f 100644
--- a/drivers/crypto/cnxk/cn9k_ipsec.h
+++ b/drivers/crypto/cnxk/cn9k_ipsec.h
@@ -6,6 +6,7 @@
#define __CN9K_IPSEC_H__
#include "cnxk_ipsec.h"
+#include "cnxk_security.h"
struct cn9k_ipsec_sa {
union {
@@ -18,6 +19,22 @@ struct cn9k_ipsec_sa {
enum rte_security_ipsec_sa_direction dir;
/** Pre-populated CPT inst words */
struct cnxk_cpt_inst_tmpl inst;
+ /** Cipher IV offset in bytes */
+ uint16_t cipher_iv_off;
+ /** Cipher IV length in bytes */
+ uint8_t cipher_iv_len;
+ /** Response length calculation data */
+ struct cnxk_ipsec_outb_rlens rlens;
+ /** Outbound IP-ID */
+ uint16_t ip_id;
+ /** ESN */
+ union {
+ uint64_t esn;
+ struct {
+ uint32_t seq_lo;
+ uint32_t seq_hi;
+ };
+ };
};
struct cn9k_sec_session {
--
2.22.0
next prev parent reply other threads:[~2021-09-02 13:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-02 13:42 [dpdk-dev] [PATCH 0/8] add cn9k lookaside IPsec support Archana Muniganti
2021-09-02 13:42 ` [dpdk-dev] [PATCH 1/8] crypto/cnxk: add cn9k security ctx Archana Muniganti
2021-09-02 13:42 ` [dpdk-dev] [PATCH 2/8] common/cnxk: add cn9k IPsec microcode defines Archana Muniganti
2021-09-02 13:42 ` [dpdk-dev] [PATCH 3/8] crypto/cnxk: add cn9k IPsec session related functions Archana Muniganti
2021-09-06 19:39 ` Akhil Goyal
2021-09-02 13:42 ` Archana Muniganti [this message]
2021-09-02 13:42 ` [dpdk-dev] [PATCH 5/8] crypto/cnxk: add cn9k IPsec inbound session create function Archana Muniganti
2021-09-02 13:42 ` [dpdk-dev] [PATCH 6/8] crypto/cnxk: add cn9k lookaside IPsec datapath Archana Muniganti
2021-09-02 13:42 ` [dpdk-dev] [PATCH 7/8] crypto/cnxk: update tailroom requirement Archana Muniganti
2021-09-02 13:42 ` [dpdk-dev] [PATCH 8/8] crypto/cnxk: update feature flag for cn9k lookaside IPsec Archana Muniganti
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