net/octeontx2: support link status
[dpdk.git] / drivers / net / octeontx2 / otx2_ethdev_sec.c
index c2ad32c..1ee597f 100644 (file)
 #include "otx2_sec_idev.h"
 #include "otx2_security.h"
 
-#define AH_HDR_LEN     12
-#define AES_GCM_IV_LEN 8
-#define AES_GCM_MAC_LEN        16
-#define AES_CBC_IV_LEN 16
-#define SHA1_HMAC_LEN  12
-
-#define AES_GCM_ROUNDUP_BYTE_LEN       4
-#define AES_CBC_ROUNDUP_BYTE_LEN       16
-
 struct eth_sec_tag_const {
        RTE_STD_C11
        union {
@@ -238,7 +229,7 @@ ipsec_sa_const_set(struct rte_security_ipsec_xform *ipsec,
                sess->partial_len += sizeof(struct rte_esp_hdr);
                sess->roundup_len = sizeof(struct rte_esp_tail);
        } else if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_AH) {
-               sess->partial_len += AH_HDR_LEN;
+               sess->partial_len += OTX2_SEC_AH_HDR_LEN;
        } else {
                return -EINVAL;
        }
@@ -248,9 +239,9 @@ ipsec_sa_const_set(struct rte_security_ipsec_xform *ipsec,
 
        if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
                if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
-                       sess->partial_len += AES_GCM_IV_LEN;
-                       sess->partial_len += AES_GCM_MAC_LEN;
-                       sess->roundup_byte = AES_GCM_ROUNDUP_BYTE_LEN;
+                       sess->partial_len += OTX2_SEC_AES_GCM_IV_LEN;
+                       sess->partial_len += OTX2_SEC_AES_GCM_MAC_LEN;
+                       sess->roundup_byte = OTX2_SEC_AES_GCM_ROUNDUP_BYTE_LEN;
                }
                return 0;
        }
@@ -265,14 +256,14 @@ ipsec_sa_const_set(struct rte_security_ipsec_xform *ipsec,
                return -EINVAL;
        }
        if (cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
-               sess->partial_len += AES_CBC_IV_LEN;
-               sess->roundup_byte = AES_CBC_ROUNDUP_BYTE_LEN;
+               sess->partial_len += OTX2_SEC_AES_CBC_IV_LEN;
+               sess->roundup_byte = OTX2_SEC_AES_CBC_ROUNDUP_BYTE_LEN;
        } else {
                return -EINVAL;
        }
 
        if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
-               sess->partial_len += SHA1_HMAC_LEN;
+               sess->partial_len += OTX2_SEC_SHA1_HMAC_LEN;
        else
                return -EINVAL;
 
@@ -321,7 +312,7 @@ hmac_init(struct otx2_ipsec_fp_sa_ctl *ctl, struct otx2_cpt_qp *qp,
 
        timeout = rte_get_timer_cycles() + 5 * rte_get_timer_hz();
 
-       rte_cio_wmb();
+       rte_io_wmb();
 
        do {
                otx2_lmt_mov(qp->lmtline, &inst, 2);
@@ -369,6 +360,7 @@ eth_sec_ipsec_out_sess_create(struct rte_eth_dev *eth_dev,
        struct otx2_cpt_qp *qp;
 
        priv = get_sec_session_private_data(sec_sess);
+       priv->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
        sess = &priv->ipsec.ip;
 
        sa = &sess->out_sa;
@@ -491,6 +483,7 @@ eth_sec_ipsec_in_sess_create(struct rte_eth_dev *eth_dev,
        ctl = &sa->ctl;
 
        priv = get_sec_session_private_data(sec_sess);
+       priv->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
        sess = &priv->ipsec.ip;
 
        if (ctl->valid) {
@@ -528,6 +521,8 @@ eth_sec_ipsec_in_sess_create(struct rte_eth_dev *eth_dev,
 
        sa->userdata = priv->userdata;
 
+       sa->replay_win_sz = ipsec->replay_win_sz;
+
        if (lookup_mem_sa_index_update(eth_dev, ipsec->spi, sa))
                return -EINVAL;
 
@@ -542,7 +537,32 @@ eth_sec_ipsec_in_sess_create(struct rte_eth_dev *eth_dev,
                        return ret;
                ret = hmac_init(ctl, qp, auth_key, auth_key_len, sa->hmac_key);
                otx2_sec_idev_tx_cpt_qp_put(qp);
+               if (ret)
+                       return ret;
+       }
+
+       if (sa->replay_win_sz) {
+               if (sa->replay_win_sz > OTX2_IPSEC_MAX_REPLAY_WIN_SZ) {
+                       otx2_err("Replay window size is not supported");
+                       return -ENOTSUP;
+               }
+               sa->replay = rte_zmalloc(NULL, sizeof(struct otx2_ipsec_replay),
+                               0);
+               if (sa->replay == NULL)
+                       return -ENOMEM;
+
+               rte_spinlock_init(&sa->replay->lock);
+               /*
+                * Set window bottom to 1, base and top to size of
+                * window
+                */
+               sa->replay->winb = 1;
+               sa->replay->wint = sa->replay_win_sz;
+               sa->replay->base = sa->replay_win_sz;
+               sa->esn_low = 0;
+               sa->esn_hi = 0;
        }
+
        return ret;
 }
 
@@ -609,6 +629,15 @@ mempool_put:
        return ret;
 }
 
+static void
+otx2_eth_sec_free_anti_replay(struct otx2_ipsec_fp_in_sa *sa)
+{
+       if (sa != NULL) {
+               if (sa->replay_win_sz && sa->replay)
+                       rte_free(sa->replay);
+       }
+}
+
 static int
 otx2_eth_sec_session_destroy(void *device __rte_unused,
                             struct rte_security_session *sess)
@@ -624,6 +653,10 @@ otx2_eth_sec_session_destroy(void *device __rte_unused,
 
        sess_ip = &priv->ipsec.ip;
 
+       /* Release the anti replay window */
+       if (priv->ipsec.dir == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
+               otx2_eth_sec_free_anti_replay(sess_ip->in_sa);
+
        /* Release CPT LF used for this session */
        if (sess_ip->qp != NULL) {
                ret = otx2_sec_idev_tx_cpt_qp_put(sess_ip->qp);
@@ -651,7 +684,7 @@ otx2_eth_sec_set_pkt_mdata(void *device __rte_unused,
                            struct rte_mbuf *m, void *params __rte_unused)
 {
        /* Set security session as the pkt metadata */
-       m->udata64 = (uint64_t)session;
+       *rte_security_dynfield(m) = (rte_security_dynfield_t)session;
 
        return 0;
 }
@@ -798,6 +831,9 @@ otx2_eth_sec_init(struct rte_eth_dev *eth_dev)
            !(dev->rx_offloads & DEV_RX_OFFLOAD_SECURITY))
                return 0;
 
+       if (rte_security_dynfield_register() < 0)
+               return -rte_errno;
+
        nb_sa = dev->ipsec_in_max_spi;
        mz_sz = nb_sa * sa_width;
        in_sa_mz_name_get(name, RTE_MEMZONE_NAMESIZE, port);