#define IPSEC_MAX_HDR_SIZE 64
#define IPSEC_MAX_IV_SIZE 16
#define IPSEC_MAX_IV_QWORD (IPSEC_MAX_IV_SIZE / sizeof(uint64_t))
+#define TUN_HDR_MSK (RTE_IPSEC_SATP_ECN_MASK | RTE_IPSEC_SATP_DSCP_MASK)
/* padding alignment for different algorithms */
enum {
IPSEC_PAD_DEFAULT = 4,
+ IPSEC_PAD_3DES_CBC = 8,
IPSEC_PAD_AES_CBC = IPSEC_MAX_IV_SIZE,
+ IPSEC_PAD_AES_CTR = IPSEC_PAD_DEFAULT,
IPSEC_PAD_AES_GCM = IPSEC_PAD_DEFAULT,
IPSEC_PAD_NULL = IPSEC_PAD_DEFAULT,
};
+/* iv sizes for different algorithms */
+enum {
+ IPSEC_IV_SIZE_DEFAULT = IPSEC_MAX_IV_SIZE,
+ IPSEC_AES_CTR_IV_SIZE = sizeof(uint64_t),
+ /* TripleDES supports IV size of 32bits or 64bits but he library
+ * only supports 64bits.
+ */
+ IPSEC_3DES_IV_SIZE = sizeof(uint64_t),
+};
+
/* these definitions probably has to be in rte_crypto_sym.h */
union sym_op_ofslen {
uint64_t raw;
__extension__ uint64_t window[0];
};
+/*IPSEC SA supported algorithms */
+enum sa_algo_type {
+ ALGO_TYPE_NULL = 0,
+ ALGO_TYPE_3DES_CBC,
+ ALGO_TYPE_AES_CBC,
+ ALGO_TYPE_AES_CTR,
+ ALGO_TYPE_AES_GCM,
+ ALGO_TYPE_MAX
+};
+
struct rte_ipsec_sa {
+
uint64_t type; /* type of given SA */
uint64_t udata; /* user defined */
uint32_t size; /* size of given sa object */
union sym_op_ofslen cipher;
union sym_op_ofslen auth;
} ctp;
+ /* tx_offload template for tunnel mbuf */
+ struct {
+ uint64_t msk;
+ uint64_t val;
+ } tx_offload;
uint32_t salt;
+ uint8_t algo_type;
uint8_t proto; /* next proto */
uint8_t aad_len;
uint8_t hdr_len;
uint8_t iv_ofs; /* offset for algo-specific IV inside crypto op */
uint8_t iv_len;
uint8_t pad_align;
+ uint8_t tos_mask;
/* template for tunnel header */
uint8_t hdr[IPSEC_MAX_HDR_SIZE];
ipsec_sa_pkt_func_select(const struct rte_ipsec_session *ss,
const struct rte_ipsec_sa *sa, struct rte_ipsec_sa_pkt_func *pf);
+/* inbound processing */
+
+uint16_t
+esp_inb_pkt_prepare(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[],
+ struct rte_crypto_op *cop[], uint16_t num);
+
+uint16_t
+esp_inb_tun_pkt_process(const struct rte_ipsec_session *ss,
+ struct rte_mbuf *mb[], uint16_t num);
+
+uint16_t
+inline_inb_tun_pkt_process(const struct rte_ipsec_session *ss,
+ struct rte_mbuf *mb[], uint16_t num);
+
+uint16_t
+esp_inb_trs_pkt_process(const struct rte_ipsec_session *ss,
+ struct rte_mbuf *mb[], uint16_t num);
+
+uint16_t
+inline_inb_trs_pkt_process(const struct rte_ipsec_session *ss,
+ struct rte_mbuf *mb[], uint16_t num);
+
+/* outbound processing */
+
+uint16_t
+esp_outb_tun_prepare(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[],
+ struct rte_crypto_op *cop[], uint16_t num);
+
+uint16_t
+esp_outb_trs_prepare(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[],
+ struct rte_crypto_op *cop[], uint16_t num);
+
+uint16_t
+esp_outb_sqh_process(const struct rte_ipsec_session *ss, struct rte_mbuf *mb[],
+ uint16_t num);
+
+uint16_t
+inline_outb_tun_pkt_process(const struct rte_ipsec_session *ss,
+ struct rte_mbuf *mb[], uint16_t num);
+
+uint16_t
+inline_outb_trs_pkt_process(const struct rte_ipsec_session *ss,
+ struct rte_mbuf *mb[], uint16_t num);
+
+uint16_t
+inline_proto_outb_pkt_process(const struct rte_ipsec_session *ss,
+ struct rte_mbuf *mb[], uint16_t num);
+
#endif /* _SA_H_ */