1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 /* Timeouts for handshake timer in seconds. */ 39 #define TLS_SRV_HELLO_DONE 9 40 #define TLS_SRV_HELLO_RD_TM 5 41 #define TLS_SRV_HELLO_BKOFF_TM 15 42 43 #define CONTENT_TYPE_CCS 20 44 #define CONTENT_TYPE_ALERT 21 45 #define CONTENT_TYPE_HANDSHAKE 22 46 #define CONTENT_TYPE_APP_DATA 23 47 #define CONTENT_TYPE_HEARTBEAT 24 48 #define CONTENT_TYPE_KEY_CONTEXT 32 49 #define CONTENT_TYPE_ERROR 127 50 51 #define TLS_HEADER_LENGTH 5 52 #define TP_TX_PG_SZ 65536 53 #define FC_TP_PLEN_MAX 17408 54 55 enum { 56 TLS_SFO_WR_CONTEXTLOC_DSGL, 57 TLS_SFO_WR_CONTEXTLOC_IMMEDIATE, 58 TLS_SFO_WR_CONTEXTLOC_DDR, 59 }; 60 61 enum { 62 CPL_TX_TLS_SFO_TYPE_CCS, 63 CPL_TX_TLS_SFO_TYPE_ALERT, 64 CPL_TX_TLS_SFO_TYPE_HANDSHAKE, 65 CPL_TX_TLS_SFO_TYPE_DATA, 66 CPL_TX_TLS_SFO_TYPE_HEARTBEAT, /* XXX: Shouldn't this be "CUSTOM"? */ 67 }; 68 69 struct tls_scmd { 70 __be32 seqno_numivs; 71 __be32 ivgen_hdrlen; 72 }; 73 74 struct tls_ofld_info { 75 unsigned int frag_size; 76 int key_location; 77 int rx_key_addr; 78 int tx_key_addr; 79 uint64_t tx_seq_no; 80 uint16_t rx_version; 81 unsigned short fcplenmax; 82 unsigned short adjusted_plen; 83 unsigned short expn_per_ulp; 84 unsigned short pdus_per_ulp; 85 struct tls_scmd scmd0; 86 u_int iv_len; 87 unsigned int tx_key_info_size; 88 struct callout handshake_timer; 89 }; 90 91 struct tls_hdr { 92 __u8 type; 93 __be16 version; 94 __be16 length; 95 } __packed; 96 97 struct tlsrx_hdr_pkt { 98 __u8 type; 99 __be16 version; 100 __be16 length; 101 102 __be64 tls_seq; 103 __be16 reserved1; 104 __u8 res_to_mac_error; 105 } __packed; 106 107 /* res_to_mac_error fields */ 108 #define S_TLSRX_HDR_PKT_INTERNAL_ERROR 4 109 #define M_TLSRX_HDR_PKT_INTERNAL_ERROR 0x1 110 #define V_TLSRX_HDR_PKT_INTERNAL_ERROR(x) \ 111 ((x) << S_TLSRX_HDR_PKT_INTERNAL_ERROR) 112 #define G_TLSRX_HDR_PKT_INTERNAL_ERROR(x) \ 113 (((x) >> S_TLSRX_HDR_PKT_INTERNAL_ERROR) & M_TLSRX_HDR_PKT_INTERNAL_ERROR) 114 #define F_TLSRX_HDR_PKT_INTERNAL_ERROR V_TLSRX_HDR_PKT_INTERNAL_ERROR(1U) 115 116 #define S_TLSRX_HDR_PKT_SPP_ERROR 3 117 #define M_TLSRX_HDR_PKT_SPP_ERROR 0x1 118 #define V_TLSRX_HDR_PKT_SPP_ERROR(x) ((x) << S_TLSRX_HDR_PKT_SPP_ERROR) 119 #define G_TLSRX_HDR_PKT_SPP_ERROR(x) \ 120 (((x) >> S_TLSRX_HDR_PKT_SPP_ERROR) & M_TLSRX_HDR_PKT_SPP_ERROR) 121 #define F_TLSRX_HDR_PKT_SPP_ERROR V_TLSRX_HDR_PKT_SPP_ERROR(1U) 122 123 #define S_TLSRX_HDR_PKT_CCDX_ERROR 2 124 #define M_TLSRX_HDR_PKT_CCDX_ERROR 0x1 125 #define V_TLSRX_HDR_PKT_CCDX_ERROR(x) ((x) << S_TLSRX_HDR_PKT_CCDX_ERROR) 126 #define G_TLSRX_HDR_PKT_CCDX_ERROR(x) \ 127 (((x) >> S_TLSRX_HDR_PKT_CCDX_ERROR) & M_TLSRX_HDR_PKT_CCDX_ERROR) 128 #define F_TLSRX_HDR_PKT_CCDX_ERROR V_TLSRX_HDR_PKT_CCDX_ERROR(1U) 129 130 #define S_TLSRX_HDR_PKT_PAD_ERROR 1 131 #define M_TLSRX_HDR_PKT_PAD_ERROR 0x1 132 #define V_TLSRX_HDR_PKT_PAD_ERROR(x) ((x) << S_TLSRX_HDR_PKT_PAD_ERROR) 133 #define G_TLSRX_HDR_PKT_PAD_ERROR(x) \ 134 (((x) >> S_TLSRX_HDR_PKT_PAD_ERROR) & M_TLSRX_HDR_PKT_PAD_ERROR) 135 #define F_TLSRX_HDR_PKT_PAD_ERROR V_TLSRX_HDR_PKT_PAD_ERROR(1U) 136 137 #define S_TLSRX_HDR_PKT_MAC_ERROR 0 138 #define M_TLSRX_HDR_PKT_MAC_ERROR 0x1 139 #define V_TLSRX_HDR_PKT_MAC_ERROR(x) ((x) << S_TLSRX_HDR_PKT_MAC_ERROR) 140 #define G_TLSRX_HDR_PKT_MAC_ERROR(x) \ 141 (((x) >> S_TLSRX_HDR_PKT_MAC_ERROR) & M_TLSRX_HDR_PKT_MAC_ERROR) 142 #define F_TLSRX_HDR_PKT_MAC_ERROR V_TLSRX_HDR_PKT_MAC_ERROR(1U) 143 144 #define M_TLSRX_HDR_PKT_ERROR 0x1F 145 146 #endif /* _KERNEL */ 147 148 #endif /* !__T4_TLS_H__ */ 149