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crypto/octeontx2: support lookaside IPsec IPv6

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Adding IPv6 tunnel mode support in lookaside IPsec PMD.

Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Acked-by: Anoob Joseph <anoobj@marvell.com>
This commit is contained in:
Tejasree Kondoj 2020-10-09 15:33:28 +05:30 committed by Akhil Goyal
parent 880bc71de1
commit 4edede7bc6
8 changed files with 55 additions and 8 deletions
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1
doc/guides/cryptodevs/octeontx2.rst
View File

@ -176,6 +176,7 @@ Features supported
~~~~~~~~~~~~~~~~~~
* IPv4
* IPv6
* ESP
* Tunnel mode
* AES-128/192/256-GCM

5
doc/guides/rel_notes/release_20_11.rst
View File

@ -156,6 +156,11 @@ New Features
* Added support for AES-ECB 128, 192 and 256 in aesni_mb PMD.
* **Updated the OCTEON TX2 crypto PMD.**
* Updated the OCTEON TX2 crypto PMD lookaside protocol offload for IPsec with
IPv6 support.
* **Added Intel ACC100 bbdev PMD.**
Added a new ``acc100`` bbdev driver for the Intel\ |reg| ACC100 accelerator

2
drivers/crypto/octeontx2/otx2_cryptodev.h
View File

@ -36,7 +36,7 @@ struct otx2_cpt_vf {
};
struct cpt_meta_info {
uint64_t deq_op_info[4];
uint64_t deq_op_info[5];
uint64_t comp_code_sz;
union cpt_res_s cpt_res __rte_aligned(16);
struct cpt_request_info cpt_req;

13
drivers/crypto/octeontx2/otx2_cryptodev_ops.c
View File

@ -842,6 +842,7 @@ otx2_cpt_sec_post_process(struct rte_crypto_op *cop, uintptr_t *rsp)
vq_cmd_word0_t *word0 = (vq_cmd_word0_t *)&req->ist.ei0;
struct rte_crypto_sym_op *sym_op = cop->sym;
struct rte_mbuf *m = sym_op->m_src;
struct rte_ipv6_hdr *ip6;
struct rte_ipv4_hdr *ip;
uint16_t m_len;
int mdata_len;
@ -852,9 +853,17 @@ otx2_cpt_sec_post_process(struct rte_crypto_op *cop, uintptr_t *rsp)
if ((word0->s.opcode & 0xff) == OTX2_IPSEC_PO_PROCESS_IPSEC_INB) {
data = rte_pktmbuf_mtod(m, char *);
ip = (struct rte_ipv4_hdr *)(data + OTX2_IPSEC_PO_INB_RPTR_HDR);
m_len = rte_be_to_cpu_16(ip->total_length);
if (rsp[4] == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
ip = (struct rte_ipv4_hdr *)(data +
OTX2_IPSEC_PO_INB_RPTR_HDR);
m_len = rte_be_to_cpu_16(ip->total_length);
} else {
ip6 = (struct rte_ipv6_hdr *)(data +
OTX2_IPSEC_PO_INB_RPTR_HDR);
m_len = rte_be_to_cpu_16(ip6->payload_len) +
sizeof(struct rte_ipv6_hdr);
}
m->data_len = m_len;
m->pkt_len = m_len;

28
drivers/crypto/octeontx2/otx2_cryptodev_sec.c
View File

@ -25,7 +25,12 @@ ipsec_lp_len_precalc(struct rte_security_ipsec_xform *ipsec,
{
struct rte_crypto_sym_xform *cipher_xform, *auth_xform;
lp->partial_len = sizeof(struct rte_ipv4_hdr);
if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4)
lp->partial_len = sizeof(struct rte_ipv4_hdr);
else if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV6)
lp->partial_len = sizeof(struct rte_ipv6_hdr);
else
return -EINVAL;
if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_ESP) {
lp->partial_len += sizeof(struct rte_esp_hdr);
@ -203,6 +208,7 @@ crypto_sec_ipsec_outb_session_create(struct rte_cryptodev *crypto_dev,
struct otx2_ipsec_po_out_sa *sa;
struct otx2_sec_session *sess;
struct otx2_cpt_inst_s inst;
struct rte_ipv6_hdr *ip6;
struct rte_ipv4_hdr *ip;
int ret;
@ -222,6 +228,7 @@ crypto_sec_ipsec_outb_session_create(struct rte_cryptodev *crypto_dev,
lp->ip_id = 0;
lp->seq_lo = 1;
lp->seq_hi = 0;
lp->tunnel_type = ipsec->tunnel.type;
ret = ipsec_po_sa_ctl_set(ipsec, crypto_xform, ctl);
if (ret)
@ -254,6 +261,24 @@ crypto_sec_ipsec_outb_session_create(struct rte_cryptodev *crypto_dev,
sizeof(struct in_addr));
memcpy(&ip->dst_addr, &ipsec->tunnel.ipv4.dst_ip,
sizeof(struct in_addr));
} else if (ipsec->tunnel.type ==
RTE_SECURITY_IPSEC_TUNNEL_IPV6) {
ip6 = &sa->template.ipv6_hdr;
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;
ip6->proto = (ipsec->proto ==
RTE_SECURITY_IPSEC_SA_PROTO_ESP) ?
IPPROTO_ESP : IPPROTO_AH;
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 {
return -EINVAL;
}
@ -342,6 +367,7 @@ crypto_sec_ipsec_inb_session_create(struct rte_cryptodev *crypto_dev,
if (ret)
return ret;
lp->tunnel_type = ipsec->tunnel.type;
auth_xform = crypto_xform;
cipher_xform = crypto_xform->next;

2
drivers/crypto/octeontx2/otx2_cryptodev_sec.h
View File

@ -55,6 +55,8 @@ struct otx2_sec_session_ipsec_lp {
uint8_t iv_length;
/** Auth IV length in bytes */
uint8_t auth_iv_length;
/** IPsec tunnel type */
enum rte_security_ipsec_tunnel_type tunnel_type;
};
int otx2_crypto_sec_ctx_create(struct rte_cryptodev *crypto_dev);

2
drivers/crypto/octeontx2/otx2_ipsec_po.h
View File

@ -319,7 +319,7 @@ ipsec_po_sa_ctl_set(struct rte_security_ipsec_xform *ipsec,
return -EINVAL;
}
ctl->inner_ip_ver = OTX2_IPSEC_PO_SA_IP_VERSION_4;
ctl->inner_ip_ver = ctl->outer_ip_ver;
if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT)
ctl->ipsec_mode = OTX2_IPSEC_PO_SA_MODE_TRANSPORT;

10
drivers/crypto/octeontx2/otx2_ipsec_po_ops.h
View File

@ -25,7 +25,8 @@ otx2_ipsec_po_out_rlen_get(struct otx2_sec_session_ipsec_lp *sess,
}
static __rte_always_inline struct cpt_request_info *
alloc_request_struct(char *maddr, void *cop, int mdata_len)
alloc_request_struct(char *maddr, void *cop, int mdata_len,
enum rte_security_ipsec_tunnel_type tunnel_type)
{
struct cpt_request_info *req;
struct cpt_meta_info *meta;
@ -47,6 +48,7 @@ alloc_request_struct(char *maddr, void *cop, int mdata_len)
op[1] = (uintptr_t)cop;
op[2] = (uintptr_t)req;
op[3] = mdata_len;
op[4] = tunnel_type;
return req;
}
@ -86,7 +88,8 @@ process_outb_sa(struct rte_crypto_op *cop,
}
mdata += extend_tail; /* mdata follows encrypted data */
req = alloc_request_struct(mdata, (void *)cop, mdata_len);
req = alloc_request_struct(mdata, (void *)cop, mdata_len,
sess->tunnel_type);
data = rte_pktmbuf_prepend(m_src, extend_head);
if (unlikely(data == NULL)) {
@ -157,7 +160,8 @@ process_inb_sa(struct rte_crypto_op *cop,
goto exit;
}
req = alloc_request_struct(mdata, (void *)cop, mdata_len);
req = alloc_request_struct(mdata, (void *)cop, mdata_len,
sess->tunnel_type);
/* Prepare CPT instruction */
word0.u64 = sess->ucmd_w0;