diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_ipsec.h')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_ipsec.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ipsec.h b/drivers/net/ixgbe/ixgbe_ipsec.h new file mode 100644 index 00000000..fb8fefc8 --- /dev/null +++ b/drivers/net/ixgbe/ixgbe_ipsec.h @@ -0,0 +1,151 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2017 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef IXGBE_IPSEC_H_ +#define IXGBE_IPSEC_H_ + +#include <rte_security.h> + +#define IPSRXIDX_RX_EN 0x00000001 +#define IPSRXIDX_TABLE_IP 0x00000002 +#define IPSRXIDX_TABLE_SPI 0x00000004 +#define IPSRXIDX_TABLE_KEY 0x00000006 +#define IPSRXIDX_WRITE 0x80000000 +#define IPSRXIDX_READ 0x40000000 +#define IPSRXMOD_VALID 0x00000001 +#define IPSRXMOD_PROTO 0x00000004 +#define IPSRXMOD_DECRYPT 0x00000008 +#define IPSRXMOD_IPV6 0x00000010 +#define IXGBE_ADVTXD_POPTS_IPSEC 0x00000400 +#define IXGBE_ADVTXD_TUCMD_IPSEC_TYPE_ESP 0x00002000 +#define IXGBE_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN 0x00004000 +#define IXGBE_RXDADV_IPSEC_STATUS_SECP 0x00020000 +#define IXGBE_RXDADV_IPSEC_ERROR_BIT_MASK 0x18000000 +#define IXGBE_RXDADV_IPSEC_ERROR_INVALID_PROTOCOL 0x08000000 +#define IXGBE_RXDADV_IPSEC_ERROR_INVALID_LENGTH 0x10000000 +#define IXGBE_RXDADV_IPSEC_ERROR_AUTHENTICATION_FAILED 0x18000000 + +#define IPSEC_MAX_RX_IP_COUNT 128 +#define IPSEC_MAX_SA_COUNT 1024 + +#define ESP_ICV_SIZE 16 +#define ESP_TRAILER_SIZE 2 + +enum ixgbe_operation { + IXGBE_OP_AUTHENTICATED_ENCRYPTION, + IXGBE_OP_AUTHENTICATED_DECRYPTION +}; + +enum ixgbe_gcm_key { + IXGBE_GCM_KEY_128, + IXGBE_GCM_KEY_256 +}; + +/** + * Generic IP address structure + * TODO: Find better location for this rte_net.h possibly. + **/ +struct ipaddr { + enum ipaddr_type { + IPv4, + IPv6 + } type; + /**< IP Address Type - IPv4/IPv6 */ + + union { + uint32_t ipv4; + uint32_t ipv6[4]; + }; +}; + +/** inline crypto crypto private session structure */ +struct ixgbe_crypto_session { + enum ixgbe_operation op; + uint8_t *key; + uint32_t salt; + uint32_t sa_index; + uint32_t spi; + struct ipaddr src_ip; + struct ipaddr dst_ip; + struct rte_eth_dev *dev; +} __rte_cache_aligned; + +struct ixgbe_crypto_rx_ip_table { + struct ipaddr ip; + uint16_t ref_count; +}; +struct ixgbe_crypto_rx_sa_table { + uint32_t spi; + uint32_t ip_index; + uint32_t key[4]; + uint32_t salt; + uint8_t mode; + uint8_t used; +}; + +struct ixgbe_crypto_tx_sa_table { + uint32_t spi; + uint32_t key[4]; + uint32_t salt; + uint8_t used; +}; + +union ixgbe_crypto_tx_desc_md { + uint64_t data; + struct { + /**< SA table index */ + uint32_t sa_idx; + /**< ICV and ESP trailer length */ + uint8_t pad_len; + /**< enable encryption */ + uint8_t enc; + }; +}; + +struct ixgbe_ipsec { + struct ixgbe_crypto_rx_ip_table rx_ip_tbl[IPSEC_MAX_RX_IP_COUNT]; + struct ixgbe_crypto_rx_sa_table rx_sa_tbl[IPSEC_MAX_SA_COUNT]; + struct ixgbe_crypto_tx_sa_table tx_sa_tbl[IPSEC_MAX_SA_COUNT]; +}; + + +struct rte_security_ctx * +ixgbe_ipsec_ctx_create(struct rte_eth_dev *dev); +int ixgbe_crypto_enable_ipsec(struct rte_eth_dev *dev); +int ixgbe_crypto_add_ingress_sa_from_flow(const void *sess, + const void *ip_spec, + uint8_t is_ipv6); + + + +#endif /*IXGBE_IPSEC_H_*/ |