+/* prepare ipsec proto command block of the session */
+static int
+dpaa_sec_prep_ipsec_cdb(dpaa_sec_session *ses)
+{
+ struct alginfo cipherdata = {0}, authdata = {0};
+ struct sec_cdb *cdb = &ses->cdb;
+ int32_t shared_desc_len = 0;
+ int err;
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ int swap = false;
+#else
+ int swap = true;
+#endif
+
+ caam_cipher_alg(ses, &cipherdata);
+ if (cipherdata.algtype == (unsigned int)DPAA_SEC_ALG_UNSUPPORT) {
+ DPAA_SEC_ERR("not supported cipher alg");
+ return -ENOTSUP;
+ }
+
+ cipherdata.key = (size_t)ses->cipher_key.data;
+ cipherdata.keylen = ses->cipher_key.length;
+ cipherdata.key_enc_flags = 0;
+ cipherdata.key_type = RTA_DATA_IMM;
+
+ caam_auth_alg(ses, &authdata);
+ if (authdata.algtype == (unsigned int)DPAA_SEC_ALG_UNSUPPORT) {
+ DPAA_SEC_ERR("not supported auth alg");
+ return -ENOTSUP;
+ }
+
+ authdata.key = (size_t)ses->auth_key.data;
+ authdata.keylen = ses->auth_key.length;
+ authdata.key_enc_flags = 0;
+ authdata.key_type = RTA_DATA_IMM;
+
+ cdb->sh_desc[0] = cipherdata.keylen;
+ cdb->sh_desc[1] = authdata.keylen;
+ err = rta_inline_query(IPSEC_AUTH_VAR_AES_DEC_BASE_DESC_LEN,
+ MIN_JOB_DESC_SIZE,
+ (unsigned int *)cdb->sh_desc,
+ &cdb->sh_desc[2], 2);
+
+ if (err < 0) {
+ DPAA_SEC_ERR("Crypto: Incorrect key lengths");
+ return err;
+ }
+ if (cdb->sh_desc[2] & 1)
+ cipherdata.key_type = RTA_DATA_IMM;
+ else {
+ cipherdata.key = (size_t)dpaa_mem_vtop(
+ (void *)(size_t)cipherdata.key);
+ cipherdata.key_type = RTA_DATA_PTR;
+ }
+ if (cdb->sh_desc[2] & (1<<1))
+ authdata.key_type = RTA_DATA_IMM;
+ else {
+ authdata.key = (size_t)dpaa_mem_vtop(
+ (void *)(size_t)authdata.key);
+ authdata.key_type = RTA_DATA_PTR;
+ }
+
+ cdb->sh_desc[0] = 0;
+ cdb->sh_desc[1] = 0;
+ cdb->sh_desc[2] = 0;
+ if (ses->dir == DIR_ENC) {
+ shared_desc_len = cnstr_shdsc_ipsec_new_encap(
+ cdb->sh_desc,
+ true, swap, SHR_SERIAL,
+ &ses->encap_pdb,
+ (uint8_t *)&ses->ip4_hdr,
+ &cipherdata, &authdata);
+ } else if (ses->dir == DIR_DEC) {
+ shared_desc_len = cnstr_shdsc_ipsec_new_decap(
+ cdb->sh_desc,
+ true, swap, SHR_SERIAL,
+ &ses->decap_pdb,
+ &cipherdata, &authdata);
+ }
+ return shared_desc_len;
+}