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| 1 | | -/* |
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| 2 | | - * Copyright (C) 2018 Netronome Systems, Inc. |
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| 3 | | - * |
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| 4 | | - * This software is dual licensed under the GNU General License Version 2, |
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| 5 | | - * June 1991 as shown in the file COPYING in the top-level directory of this |
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| 6 | | - * source tree or the BSD 2-Clause License provided below. You have the |
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| 7 | | - * option to license this software under the complete terms of either license. |
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| 8 | | - * |
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| 9 | | - * The BSD 2-Clause License: |
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| 10 | | - * |
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| 11 | | - * Redistribution and use in source and binary forms, with or |
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| 12 | | - * without modification, are permitted provided that the following |
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| 13 | | - * conditions are met: |
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| 14 | | - * |
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| 15 | | - * 1. Redistributions of source code must retain the above |
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| 16 | | - * copyright notice, this list of conditions and the following |
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| 17 | | - * disclaimer. |
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| 18 | | - * |
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| 19 | | - * 2. Redistributions in binary form must reproduce the above |
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| 20 | | - * copyright notice, this list of conditions and the following |
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| 21 | | - * disclaimer in the documentation and/or other materials |
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| 22 | | - * provided with the distribution. |
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| 23 | | - * |
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| 24 | | - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 25 | | - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 26 | | - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 27 | | - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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| 28 | | - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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| 29 | | - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 30 | | - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 31 | | - * SOFTWARE. |
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| 32 | | - */ |
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| 1 | +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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| 2 | +/* Copyright (C) 2018 Netronome Systems, Inc. */ |
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| 33 | 3 | |
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| 34 | 4 | #include <linux/bitfield.h> |
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| 35 | 5 | #include <linux/device.h> |
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| .. | .. |
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| 45 | 15 | caps->me_freq_mhz = 1200; |
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| 46 | 16 | caps->mbox_off = NFP_NET_CFG_MBOX_BASE; |
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| 47 | 17 | caps->mbox_len = NFP_NET_CFG_MBOX_VAL_MAX_SZ; |
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| 18 | +} |
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| 19 | + |
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| 20 | +static bool |
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| 21 | +nfp_net_tls_parse_crypto_ops(struct device *dev, struct nfp_net_tlv_caps *caps, |
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| 22 | + u8 __iomem *ctrl_mem, u8 __iomem *data, |
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| 23 | + unsigned int length, unsigned int offset, |
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| 24 | + bool rx_stream_scan) |
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| 25 | +{ |
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| 26 | + /* Ignore the legacy TLV if new one was already parsed */ |
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| 27 | + if (caps->tls_resync_ss && !rx_stream_scan) |
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| 28 | + return true; |
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| 29 | + |
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| 30 | + if (length < 32) { |
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| 31 | + dev_err(dev, |
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| 32 | + "CRYPTO OPS TLV should be at least 32B, is %dB offset:%u\n", |
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| 33 | + length, offset); |
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| 34 | + return false; |
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| 35 | + } |
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| 36 | + |
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| 37 | + caps->crypto_ops = readl(data); |
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| 38 | + caps->crypto_enable_off = data - ctrl_mem + 16; |
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| 39 | + caps->tls_resync_ss = rx_stream_scan; |
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| 40 | + |
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| 41 | + return true; |
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| 48 | 42 | } |
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| 49 | 43 | |
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| 50 | 44 | int nfp_net_tlv_caps_parse(struct device *dev, u8 __iomem *ctrl_mem, |
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| .. | .. |
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| 71 | 65 | data += 4; |
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| 72 | 66 | |
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| 73 | 67 | if (length % NFP_NET_CFG_TLV_LENGTH_INC) { |
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| 74 | | - dev_err(dev, "TLV size not multiple of %u len:%u\n", |
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| 75 | | - NFP_NET_CFG_TLV_LENGTH_INC, length); |
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| 68 | + dev_err(dev, "TLV size not multiple of %u offset:%u len:%u\n", |
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| 69 | + NFP_NET_CFG_TLV_LENGTH_INC, offset, length); |
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| 76 | 70 | return -EINVAL; |
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| 77 | 71 | } |
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| 78 | 72 | if (data + length > end) { |
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| .. | .. |
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| 91 | 85 | if (!length) |
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| 92 | 86 | return 0; |
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| 93 | 87 | |
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| 94 | | - dev_err(dev, "END TLV should be empty, has len:%d\n", |
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| 95 | | - length); |
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| 88 | + dev_err(dev, "END TLV should be empty, has offset:%u len:%d\n", |
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| 89 | + offset, length); |
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| 96 | 90 | return -EINVAL; |
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| 97 | 91 | case NFP_NET_CFG_TLV_TYPE_ME_FREQ: |
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| 98 | 92 | if (length != 4) { |
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| 99 | 93 | dev_err(dev, |
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| 100 | | - "ME FREQ TLV should be 4B, is %dB\n", |
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| 101 | | - length); |
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| 94 | + "ME FREQ TLV should be 4B, is %dB offset:%u\n", |
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| 95 | + length, offset); |
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| 102 | 96 | return -EINVAL; |
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| 103 | 97 | } |
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| 104 | 98 | |
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| .. | .. |
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| 113 | 107 | caps->mbox_len = length; |
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| 114 | 108 | } |
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| 115 | 109 | break; |
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| 110 | + case NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0: |
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| 111 | + case NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1: |
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| 112 | + dev_warn(dev, |
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| 113 | + "experimental TLV type:%u offset:%u len:%u\n", |
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| 114 | + FIELD_GET(NFP_NET_CFG_TLV_HEADER_TYPE, hdr), |
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| 115 | + offset, length); |
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| 116 | + break; |
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| 117 | + case NFP_NET_CFG_TLV_TYPE_REPR_CAP: |
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| 118 | + if (length < 4) { |
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| 119 | + dev_err(dev, "REPR CAP TLV short %dB < 4B offset:%u\n", |
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| 120 | + length, offset); |
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| 121 | + return -EINVAL; |
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| 122 | + } |
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| 123 | + |
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| 124 | + caps->repr_cap = readl(data); |
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| 125 | + break; |
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| 126 | + case NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES: |
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| 127 | + if (length >= 4) |
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| 128 | + caps->mbox_cmsg_types = readl(data); |
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| 129 | + break; |
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| 130 | + case NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS: |
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| 131 | + if (!nfp_net_tls_parse_crypto_ops(dev, caps, ctrl_mem, |
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| 132 | + data, length, offset, |
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| 133 | + false)) |
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| 134 | + return -EINVAL; |
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| 135 | + break; |
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| 136 | + case NFP_NET_CFG_TLV_TYPE_VNIC_STATS: |
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| 137 | + if ((data - ctrl_mem) % 8) { |
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| 138 | + dev_warn(dev, "VNIC STATS TLV misaligned, ignoring offset:%u len:%u\n", |
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| 139 | + offset, length); |
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| 140 | + break; |
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| 141 | + } |
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| 142 | + caps->vnic_stats_off = data - ctrl_mem; |
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| 143 | + caps->vnic_stats_cnt = length / 10; |
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| 144 | + break; |
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| 145 | + case NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS_RX_SCAN: |
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| 146 | + if (!nfp_net_tls_parse_crypto_ops(dev, caps, ctrl_mem, |
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| 147 | + data, length, offset, |
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| 148 | + true)) |
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| 149 | + return -EINVAL; |
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| 150 | + break; |
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| 116 | 151 | default: |
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| 117 | 152 | if (!FIELD_GET(NFP_NET_CFG_TLV_HEADER_REQUIRED, hdr)) |
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| 118 | 153 | break; |
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