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Open Menu / drivers / net / ethernet / netronome / nfp / crypto / fw.h
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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* Copyright (C) 2019 Netronome Systems, Inc. */

#ifndef NFP_CRYPTO_FW_H
#define NFP_CRYPTO_FW_H 1

#include "../ccm.h"

#define NFP_NET_CRYPTO_OP_TLS_1_2_AES_GCM_128_ENC	0
#define NFP_NET_CRYPTO_OP_TLS_1_2_AES_GCM_128_DEC	1

struct nfp_net_tls_resync_req {
	__be32 fw_handle[2];
	__be32 tcp_seq;
	u8 l3_offset;
	u8 l4_offset;
	u8 resv[2];
};

struct nfp_crypto_reply_simple {
	struct nfp_ccm_hdr hdr;
	__be32 error;
};

struct nfp_crypto_req_reset {
	struct nfp_ccm_hdr hdr;
	__be32 ep_id;
};

#define NFP_NET_TLS_IPVER		GENMASK(15, 12)
#define NFP_NET_TLS_VLAN		GENMASK(11, 0)
#define NFP_NET_TLS_VLAN_UNUSED			4095

struct nfp_crypto_req_add_front {
	struct nfp_ccm_hdr hdr;
	__be32 ep_id;
	u8 resv[3];
	u8 opcode;
	u8 key_len;
	__be16 ipver_vlan __packed;
	u8 l4_proto;
#define NFP_NET_TLS_NON_ADDR_KEY_LEN	8
	u8 l3_addrs[];
};

struct nfp_crypto_req_add_back {
	__be16 src_port;
	__be16 dst_port;
	__be32 key[8];
	__be32 salt;
	__be32 iv[2];
	__be32 counter;
	__be32 rec_no[2];
	__be32 tcp_seq;
};

struct nfp_crypto_req_add_v4 {
	struct nfp_crypto_req_add_front front;
	__be32 src_ip;
	__be32 dst_ip;
	struct nfp_crypto_req_add_back back;
};

struct nfp_crypto_req_add_v6 {
	struct nfp_crypto_req_add_front front;
	__be32 src_ip[4];
	__be32 dst_ip[4];
	struct nfp_crypto_req_add_back back;
};

struct nfp_crypto_reply_add {
	struct nfp_ccm_hdr hdr;
	__be32 error;
	__be32 handle[2];
};

struct nfp_crypto_req_del {
	struct nfp_ccm_hdr hdr;
	__be32 ep_id;
	__be32 handle[2];
};

struct nfp_crypto_req_update {
	struct nfp_ccm_hdr hdr;
	__be32 ep_id;
	u8 resv[3];
	u8 opcode;
	__be32 handle[2];
	__be32 rec_no[2];
	__be32 tcp_seq;
};
#endif