Function parse_table_action_cipher

dpdk/examples/ip_pipeline/cli.c:3712–3783

}

static struct rte_crypto_sym_xform *
parse_table_action_cipher(struct rte_table_action_sym_crypto_params *p,
		uint8_t *key, uint32_t max_key_len, char **tokens,
		uint32_t n_tokens, uint32_t encrypt, uint32_t *used_n_tokens)
{
	struct rte_crypto_sym_xform *xform_cipher;
	int status;
	size_t len;

	if (n_tokens < 7 || strcmp(tokens[1], "cipher_algo") ||
			strcmp(tokens[3], "cipher_key") ||
			strcmp(tokens[5], "cipher_iv"))
		return NULL;

	xform_cipher = calloc(1, sizeof(*xform_cipher));
	if (xform_cipher == NULL)
		return NULL;

	xform_cipher->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
	xform_cipher->cipher.op = encrypt ? RTE_CRYPTO_CIPHER_OP_ENCRYPT :
			RTE_CRYPTO_CIPHER_OP_DECRYPT;

	/* cipher_algo */
	status = rte_cryptodev_get_cipher_algo_enum(
			&xform_cipher->cipher.algo, tokens[2]);
	if (status < 0)
		goto error_exit;

	/* cipher_key */
	len = strlen(tokens[4]);
	if (len / 2 > max_key_len) {
		status = -ENOMEM;
		goto error_exit;
	}

	status = parse_hex_string(tokens[4], key, (uint32_t *)&len);
	if (status < 0)
		goto error_exit;

	xform_cipher->cipher.key.data = key;
	xform_cipher->cipher.key.length = (uint16_t)len;

	/* cipher_iv */
	len = strlen(tokens[6]);

	p->cipher_auth.cipher_iv.val = calloc(1, len / 2 + 1);
	if (p->cipher_auth.cipher_iv.val == NULL)
		goto error_exit;

	status = parse_hex_string(tokens[6],
			p->cipher_auth.cipher_iv.val,
			(uint32_t *)&len);
	if (status < 0)
		goto error_exit;

	xform_cipher->cipher.iv.length = (uint16_t)len;
	xform_cipher->cipher.iv.offset = RTE_TABLE_ACTION_SYM_CRYPTO_IV_OFFSET;
	p->cipher_auth.cipher_iv.length = (uint32_t)len;