1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2017-2018 Chelsio Communications, Inc. 5 * All rights reserved. 6 * Written by: John Baldwin <jhb@FreeBSD.org>, Atul Gupta 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 * 31 */ 32 33 #ifndef __T4_TLS_H__ 34 #define __T4_TLS_H__ 35 36 #ifdef _KERNEL 37 38 #define CONTENT_TYPE_CCS 20 39 #define CONTENT_TYPE_ALERT 21 40 #define CONTENT_TYPE_HANDSHAKE 22 41 #define CONTENT_TYPE_APP_DATA 23 42 #define CONTENT_TYPE_HEARTBEAT 24 43 #define CONTENT_TYPE_KEY_CONTEXT 32 44 #define CONTENT_TYPE_ERROR 127 45 46 #define TLS_HEADER_LENGTH 5 47 #define TP_TX_PG_SZ 65536 48 #define FC_TP_PLEN_MAX 17408 49 50 enum { 51 TLS_SFO_WR_CONTEXTLOC_DSGL, 52 TLS_SFO_WR_CONTEXTLOC_IMMEDIATE, 53 TLS_SFO_WR_CONTEXTLOC_DDR, 54 }; 55 56 enum { 57 CPL_TX_TLS_SFO_TYPE_CCS, 58 CPL_TX_TLS_SFO_TYPE_ALERT, 59 CPL_TX_TLS_SFO_TYPE_HANDSHAKE, 60 CPL_TX_TLS_SFO_TYPE_DATA, 61 CPL_TX_TLS_SFO_TYPE_CUSTOM, 62 }; 63 64 struct tls_scmd { 65 __be32 seqno_numivs; 66 __be32 ivgen_hdrlen; 67 }; 68 69 struct tls_ofld_info { 70 unsigned int frag_size; 71 int key_location; 72 int rx_key_addr; 73 int tx_key_addr; 74 uint16_t rx_version; 75 unsigned short fcplenmax; 76 unsigned short adjusted_plen; 77 unsigned short expn_per_ulp; 78 unsigned short pdus_per_ulp; 79 struct tls_scmd scmd0; 80 u_int iv_len; 81 unsigned int tx_key_info_size; 82 size_t rx_resid; 83 }; 84 85 struct tls_hdr { 86 __u8 type; 87 __be16 version; 88 __be16 length; 89 } __packed; 90 91 struct tlsrx_hdr_pkt { 92 __u8 type; 93 __be16 version; 94 __be16 length; 95 96 __be64 tls_seq; 97 __be16 reserved1; 98 __u8 res_to_mac_error; 99 } __packed; 100 101 /* res_to_mac_error fields */ 102 #define S_TLSRX_HDR_PKT_INTERNAL_ERROR 4 103 #define M_TLSRX_HDR_PKT_INTERNAL_ERROR 0x1 104 #define V_TLSRX_HDR_PKT_INTERNAL_ERROR(x) \ 105 ((x) << S_TLSRX_HDR_PKT_INTERNAL_ERROR) 106 #define G_TLSRX_HDR_PKT_INTERNAL_ERROR(x) \ 107 (((x) >> S_TLSRX_HDR_PKT_INTERNAL_ERROR) & M_TLSRX_HDR_PKT_INTERNAL_ERROR) 108 #define F_TLSRX_HDR_PKT_INTERNAL_ERROR V_TLSRX_HDR_PKT_INTERNAL_ERROR(1U) 109 110 #define S_TLSRX_HDR_PKT_SPP_ERROR 3 111 #define M_TLSRX_HDR_PKT_SPP_ERROR 0x1 112 #define V_TLSRX_HDR_PKT_SPP_ERROR(x) ((x) << S_TLSRX_HDR_PKT_SPP_ERROR) 113 #define G_TLSRX_HDR_PKT_SPP_ERROR(x) \ 114 (((x) >> S_TLSRX_HDR_PKT_SPP_ERROR) & M_TLSRX_HDR_PKT_SPP_ERROR) 115 #define F_TLSRX_HDR_PKT_SPP_ERROR V_TLSRX_HDR_PKT_SPP_ERROR(1U) 116 117 #define S_TLSRX_HDR_PKT_CCDX_ERROR 2 118 #define M_TLSRX_HDR_PKT_CCDX_ERROR 0x1 119 #define V_TLSRX_HDR_PKT_CCDX_ERROR(x) ((x) << S_TLSRX_HDR_PKT_CCDX_ERROR) 120 #define G_TLSRX_HDR_PKT_CCDX_ERROR(x) \ 121 (((x) >> S_TLSRX_HDR_PKT_CCDX_ERROR) & M_TLSRX_HDR_PKT_CCDX_ERROR) 122 #define F_TLSRX_HDR_PKT_CCDX_ERROR V_TLSRX_HDR_PKT_CCDX_ERROR(1U) 123 124 #define S_TLSRX_HDR_PKT_PAD_ERROR 1 125 #define M_TLSRX_HDR_PKT_PAD_ERROR 0x1 126 #define V_TLSRX_HDR_PKT_PAD_ERROR(x) ((x) << S_TLSRX_HDR_PKT_PAD_ERROR) 127 #define G_TLSRX_HDR_PKT_PAD_ERROR(x) \ 128 (((x) >> S_TLSRX_HDR_PKT_PAD_ERROR) & M_TLSRX_HDR_PKT_PAD_ERROR) 129 #define F_TLSRX_HDR_PKT_PAD_ERROR V_TLSRX_HDR_PKT_PAD_ERROR(1U) 130 131 #define S_TLSRX_HDR_PKT_MAC_ERROR 0 132 #define M_TLSRX_HDR_PKT_MAC_ERROR 0x1 133 #define V_TLSRX_HDR_PKT_MAC_ERROR(x) ((x) << S_TLSRX_HDR_PKT_MAC_ERROR) 134 #define G_TLSRX_HDR_PKT_MAC_ERROR(x) \ 135 (((x) >> S_TLSRX_HDR_PKT_MAC_ERROR) & M_TLSRX_HDR_PKT_MAC_ERROR) 136 #define F_TLSRX_HDR_PKT_MAC_ERROR V_TLSRX_HDR_PKT_MAC_ERROR(1U) 137 138 #define M_TLSRX_HDR_PKT_ERROR 0x1F 139 140 #endif /* _KERNEL */ 141 142 #endif /* !__T4_TLS_H__ */ 143