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 */ 30 31 #ifndef __T4_TLS_H__ 32 #define __T4_TLS_H__ 33 34 #ifdef _KERNEL 35 36 #define CONTENT_TYPE_CCS 20 37 #define CONTENT_TYPE_ALERT 21 38 #define CONTENT_TYPE_HANDSHAKE 22 39 #define CONTENT_TYPE_APP_DATA 23 40 #define CONTENT_TYPE_HEARTBEAT 24 41 #define CONTENT_TYPE_KEY_CONTEXT 32 42 #define CONTENT_TYPE_ERROR 127 43 44 #define TLS_HEADER_LENGTH 5 45 #define TP_TX_PG_SZ 65536 46 #define FC_TP_PLEN_MAX 17408 47 48 enum { 49 TLS_SFO_WR_CONTEXTLOC_DSGL, 50 TLS_SFO_WR_CONTEXTLOC_IMMEDIATE, 51 TLS_SFO_WR_CONTEXTLOC_DDR, 52 }; 53 54 enum { 55 CPL_TX_TLS_SFO_TYPE_CCS, 56 CPL_TX_TLS_SFO_TYPE_ALERT, 57 CPL_TX_TLS_SFO_TYPE_HANDSHAKE, 58 CPL_TX_TLS_SFO_TYPE_DATA, 59 CPL_TX_TLS_SFO_TYPE_CUSTOM, 60 }; 61 62 struct tls_scmd { 63 __be32 seqno_numivs; 64 __be32 ivgen_hdrlen; 65 }; 66 67 struct tls_ofld_info { 68 unsigned int frag_size; 69 int key_location; 70 int rx_key_addr; 71 int tx_key_addr; 72 uint16_t rx_version; 73 unsigned short fcplenmax; 74 unsigned short adjusted_plen; 75 unsigned short expn_per_ulp; 76 unsigned short pdus_per_ulp; 77 bool tls13; 78 struct tls_scmd scmd0; 79 u_int iv_len; 80 unsigned int tx_key_info_size; 81 size_t rx_resid; 82 }; 83 84 struct tls_hdr { 85 __u8 type; 86 __be16 version; 87 __be16 length; 88 } __packed; 89 90 struct tlsrx_hdr_pkt { 91 __u8 type; 92 __be16 version; 93 __be16 length; 94 95 __be64 tls_seq; 96 __be16 reserved1; 97 __u8 res_to_mac_error; 98 } __packed; 99 100 /* res_to_mac_error fields */ 101 #define S_TLSRX_HDR_PKT_INTERNAL_ERROR 4 102 #define M_TLSRX_HDR_PKT_INTERNAL_ERROR 0x1 103 #define V_TLSRX_HDR_PKT_INTERNAL_ERROR(x) \ 104 ((x) << S_TLSRX_HDR_PKT_INTERNAL_ERROR) 105 #define G_TLSRX_HDR_PKT_INTERNAL_ERROR(x) \ 106 (((x) >> S_TLSRX_HDR_PKT_INTERNAL_ERROR) & M_TLSRX_HDR_PKT_INTERNAL_ERROR) 107 #define F_TLSRX_HDR_PKT_INTERNAL_ERROR V_TLSRX_HDR_PKT_INTERNAL_ERROR(1U) 108 109 #define S_TLSRX_HDR_PKT_SPP_ERROR 3 110 #define M_TLSRX_HDR_PKT_SPP_ERROR 0x1 111 #define V_TLSRX_HDR_PKT_SPP_ERROR(x) ((x) << S_TLSRX_HDR_PKT_SPP_ERROR) 112 #define G_TLSRX_HDR_PKT_SPP_ERROR(x) \ 113 (((x) >> S_TLSRX_HDR_PKT_SPP_ERROR) & M_TLSRX_HDR_PKT_SPP_ERROR) 114 #define F_TLSRX_HDR_PKT_SPP_ERROR V_TLSRX_HDR_PKT_SPP_ERROR(1U) 115 116 #define S_TLSRX_HDR_PKT_CCDX_ERROR 2 117 #define M_TLSRX_HDR_PKT_CCDX_ERROR 0x1 118 #define V_TLSRX_HDR_PKT_CCDX_ERROR(x) ((x) << S_TLSRX_HDR_PKT_CCDX_ERROR) 119 #define G_TLSRX_HDR_PKT_CCDX_ERROR(x) \ 120 (((x) >> S_TLSRX_HDR_PKT_CCDX_ERROR) & M_TLSRX_HDR_PKT_CCDX_ERROR) 121 #define F_TLSRX_HDR_PKT_CCDX_ERROR V_TLSRX_HDR_PKT_CCDX_ERROR(1U) 122 123 #define S_TLSRX_HDR_PKT_PAD_ERROR 1 124 #define M_TLSRX_HDR_PKT_PAD_ERROR 0x1 125 #define V_TLSRX_HDR_PKT_PAD_ERROR(x) ((x) << S_TLSRX_HDR_PKT_PAD_ERROR) 126 #define G_TLSRX_HDR_PKT_PAD_ERROR(x) \ 127 (((x) >> S_TLSRX_HDR_PKT_PAD_ERROR) & M_TLSRX_HDR_PKT_PAD_ERROR) 128 #define F_TLSRX_HDR_PKT_PAD_ERROR V_TLSRX_HDR_PKT_PAD_ERROR(1U) 129 130 #define S_TLSRX_HDR_PKT_MAC_ERROR 0 131 #define M_TLSRX_HDR_PKT_MAC_ERROR 0x1 132 #define V_TLSRX_HDR_PKT_MAC_ERROR(x) ((x) << S_TLSRX_HDR_PKT_MAC_ERROR) 133 #define G_TLSRX_HDR_PKT_MAC_ERROR(x) \ 134 (((x) >> S_TLSRX_HDR_PKT_MAC_ERROR) & M_TLSRX_HDR_PKT_MAC_ERROR) 135 #define F_TLSRX_HDR_PKT_MAC_ERROR V_TLSRX_HDR_PKT_MAC_ERROR(1U) 136 137 #define M_TLSRX_HDR_PKT_ERROR 0x1F 138 139 #endif /* _KERNEL */ 140 141 #endif /* !__T4_TLS_H__ */ 142