+ return 0;
+out:
+ rte_free(session->auth_key.data);
+ rte_free(session->cipher_key.data);
+ rte_free(priv);
+ return ret;
+}
+
+static int
+dpaa2_sec_set_pdcp_session(struct rte_cryptodev *dev,
+ struct rte_security_session_conf *conf,
+ void *sess)
+{
+ struct rte_security_pdcp_xform *pdcp_xform = &conf->pdcp;
+ struct rte_crypto_sym_xform *xform = conf->crypto_xform;
+ struct rte_crypto_auth_xform *auth_xform = NULL;
+ struct rte_crypto_cipher_xform *cipher_xform;
+ dpaa2_sec_session *session = (dpaa2_sec_session *)sess;
+ struct ctxt_priv *priv;
+ struct dpaa2_sec_dev_private *dev_priv = dev->data->dev_private;
+ struct alginfo authdata, cipherdata;
+ struct alginfo *p_authdata = NULL;
+ int bufsize = -1;
+ struct sec_flow_context *flc;
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ int swap = true;
+#else
+ int swap = false;
+#endif
+
+ PMD_INIT_FUNC_TRACE();
+
+ memset(session, 0, sizeof(dpaa2_sec_session));
+
+ priv = (struct ctxt_priv *)rte_zmalloc(NULL,
+ sizeof(struct ctxt_priv) +
+ sizeof(struct sec_flc_desc),
+ RTE_CACHE_LINE_SIZE);
+
+ if (priv == NULL) {
+ DPAA2_SEC_ERR("No memory for priv CTXT");
+ return -ENOMEM;
+ }
+
+ priv->fle_pool = dev_priv->fle_pool;
+ flc = &priv->flc_desc[0].flc;
+
+ /* find xfrm types */
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && xform->next == NULL) {
+ cipher_xform = &xform->cipher;
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ session->ext_params.aead_ctxt.auth_cipher_text = true;
+ cipher_xform = &xform->cipher;
+ auth_xform = &xform->next->auth;
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ session->ext_params.aead_ctxt.auth_cipher_text = false;
+ cipher_xform = &xform->next->cipher;
+ auth_xform = &xform->auth;
+ } else {
+ DPAA2_SEC_ERR("Invalid crypto type");
+ return -EINVAL;
+ }
+
+ session->ctxt_type = DPAA2_SEC_PDCP;
+ if (cipher_xform) {
+ session->cipher_key.data = rte_zmalloc(NULL,
+ cipher_xform->key.length,
+ RTE_CACHE_LINE_SIZE);
+ if (session->cipher_key.data == NULL &&
+ cipher_xform->key.length > 0) {
+ DPAA2_SEC_ERR("No Memory for cipher key");
+ rte_free(priv);
+ return -ENOMEM;
+ }
+ session->cipher_key.length = cipher_xform->key.length;
+ memcpy(session->cipher_key.data, cipher_xform->key.data,
+ cipher_xform->key.length);
+ session->dir =
+ (cipher_xform->op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
+ DIR_ENC : DIR_DEC;
+ session->cipher_alg = cipher_xform->algo;
+ } else {
+ session->cipher_key.data = NULL;
+ session->cipher_key.length = 0;
+ session->cipher_alg = RTE_CRYPTO_CIPHER_NULL;
+ session->dir = DIR_ENC;
+ }
+
+ session->pdcp.domain = pdcp_xform->domain;
+ session->pdcp.bearer = pdcp_xform->bearer;
+ session->pdcp.pkt_dir = pdcp_xform->pkt_dir;
+ session->pdcp.sn_size = pdcp_xform->sn_size;
+ session->pdcp.hfn = pdcp_xform->hfn;
+ session->pdcp.hfn_threshold = pdcp_xform->hfn_threshold;
+ session->pdcp.hfn_ovd = pdcp_xform->hfn_ovrd;
+ /* hfv ovd offset location is stored in iv.offset value*/
+ session->pdcp.hfn_ovd_offset = cipher_xform->iv.offset;
+
+ cipherdata.key = (size_t)session->cipher_key.data;
+ cipherdata.keylen = session->cipher_key.length;
+ cipherdata.key_enc_flags = 0;
+ cipherdata.key_type = RTA_DATA_IMM;
+
+ switch (session->cipher_alg) {
+ case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
+ cipherdata.algtype = PDCP_CIPHER_TYPE_SNOW;
+ break;
+ case RTE_CRYPTO_CIPHER_ZUC_EEA3:
+ cipherdata.algtype = PDCP_CIPHER_TYPE_ZUC;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ cipherdata.algtype = PDCP_CIPHER_TYPE_AES;
+ break;
+ case RTE_CRYPTO_CIPHER_NULL:
+ cipherdata.algtype = PDCP_CIPHER_TYPE_NULL;
+ break;
+ default:
+ DPAA2_SEC_ERR("Crypto: Undefined Cipher specified %u",
+ session->cipher_alg);
+ goto out;
+ }
+
+ if (auth_xform) {
+ session->auth_key.data = rte_zmalloc(NULL,
+ auth_xform->key.length,
+ RTE_CACHE_LINE_SIZE);
+ if (!session->auth_key.data &&
+ auth_xform->key.length > 0) {
+ DPAA2_SEC_ERR("No Memory for auth key");
+ rte_free(session->cipher_key.data);
+ rte_free(priv);
+ return -ENOMEM;
+ }
+ session->auth_key.length = auth_xform->key.length;
+ memcpy(session->auth_key.data, auth_xform->key.data,
+ auth_xform->key.length);
+ session->auth_alg = auth_xform->algo;
+ } else {
+ session->auth_key.data = NULL;
+ session->auth_key.length = 0;
+ session->auth_alg = 0;
+ }
+ authdata.key = (size_t)session->auth_key.data;
+ authdata.keylen = session->auth_key.length;
+ authdata.key_enc_flags = 0;
+ authdata.key_type = RTA_DATA_IMM;
+
+ if (session->auth_alg) {
+ switch (session->auth_alg) {
+ case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
+ authdata.algtype = PDCP_AUTH_TYPE_SNOW;
+ break;
+ case RTE_CRYPTO_AUTH_ZUC_EIA3:
+ authdata.algtype = PDCP_AUTH_TYPE_ZUC;
+ break;
+ case RTE_CRYPTO_AUTH_AES_CMAC:
+ authdata.algtype = PDCP_AUTH_TYPE_AES;
+ break;
+ case RTE_CRYPTO_AUTH_NULL:
+ authdata.algtype = PDCP_AUTH_TYPE_NULL;
+ break;
+ default:
+ DPAA2_SEC_ERR("Crypto: Unsupported auth alg %u",
+ session->auth_alg);
+ goto out;
+ }
+
+ p_authdata = &authdata;
+ } else if (pdcp_xform->domain == RTE_SECURITY_PDCP_MODE_CONTROL) {
+ DPAA2_SEC_ERR("Crypto: Integrity must for c-plane");
+ goto out;
+ }
+
+ if (pdcp_xform->domain == RTE_SECURITY_PDCP_MODE_CONTROL) {
+ if (session->dir == DIR_ENC)
+ bufsize = cnstr_shdsc_pdcp_c_plane_encap(
+ priv->flc_desc[0].desc, 1, swap,
+ pdcp_xform->hfn,
+ session->pdcp.sn_size,
+ pdcp_xform->bearer,
+ pdcp_xform->pkt_dir,
+ pdcp_xform->hfn_threshold,
+ &cipherdata, &authdata,
+ 0);
+ else if (session->dir == DIR_DEC)
+ bufsize = cnstr_shdsc_pdcp_c_plane_decap(
+ priv->flc_desc[0].desc, 1, swap,
+ pdcp_xform->hfn,
+ session->pdcp.sn_size,
+ pdcp_xform->bearer,
+ pdcp_xform->pkt_dir,
+ pdcp_xform->hfn_threshold,
+ &cipherdata, &authdata,
+ 0);
+ } else {
+ if (session->dir == DIR_ENC)
+ bufsize = cnstr_shdsc_pdcp_u_plane_encap(
+ priv->flc_desc[0].desc, 1, swap,
+ session->pdcp.sn_size,
+ pdcp_xform->hfn,
+ pdcp_xform->bearer,
+ pdcp_xform->pkt_dir,
+ pdcp_xform->hfn_threshold,
+ &cipherdata, p_authdata, 0);
+ else if (session->dir == DIR_DEC)
+ bufsize = cnstr_shdsc_pdcp_u_plane_decap(
+ priv->flc_desc[0].desc, 1, swap,
+ session->pdcp.sn_size,
+ pdcp_xform->hfn,
+ pdcp_xform->bearer,
+ pdcp_xform->pkt_dir,
+ pdcp_xform->hfn_threshold,
+ &cipherdata, p_authdata, 0);
+ }
+
+ if (bufsize < 0) {
+ DPAA2_SEC_ERR("Crypto: Invalid buffer length");
+ goto out;
+ }
+
+ /* Enable the stashing control bit */
+ DPAA2_SET_FLC_RSC(flc);
+ flc->word2_rflc_31_0 = lower_32_bits(
+ (size_t)&(((struct dpaa2_sec_qp *)
+ dev->data->queue_pairs[0])->rx_vq) | 0x14);
+ flc->word3_rflc_63_32 = upper_32_bits(
+ (size_t)&(((struct dpaa2_sec_qp *)
+ dev->data->queue_pairs[0])->rx_vq));
+
+ flc->word1_sdl = (uint8_t)bufsize;
+
+ /* TODO - check the perf impact or
+ * align as per descriptor type
+ * Set EWS bit i.e. enable write-safe
+ * DPAA2_SET_FLC_EWS(flc);
+ */
+
+ /* Set BS = 1 i.e reuse input buffers as output buffers */
+ DPAA2_SET_FLC_REUSE_BS(flc);
+ /* Set FF = 10; reuse input buffers if they provide sufficient space */
+ DPAA2_SET_FLC_REUSE_FF(flc);
+
+ session->ctxt = priv;
+