OpenWrt – Blame information for rev 4
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4 | office | 1 | /* This program is free software; you can redistribute it and/or modify |
2 | * it under the terms of the GNU General Public License as published by |
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3 | * the Free Software Foundation; version 2 of the License |
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4 | * |
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5 | * This program is distributed in the hope that it will be useful, |
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6 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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7 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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8 | * GNU General Public License for more details. |
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9 | * |
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10 | * Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com> |
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11 | * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org> |
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12 | */ |
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13 | |||
14 | #include "mtk_offload.h" |
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15 | |||
16 | static const char *mtk_foe_entry_state_str[] = { |
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17 | "INVALID", |
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18 | "UNBIND", |
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19 | "BIND", |
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20 | "FIN" |
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21 | }; |
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22 | |||
23 | static const char *mtk_foe_packet_type_str[] = { |
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24 | "IPV4_HNAPT", |
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25 | "IPV4_HNAT", |
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26 | "IPV6_1T_ROUTE", |
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27 | "IPV4_DSLITE", |
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28 | "IPV6_3T_ROUTE", |
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29 | "IPV6_5T_ROUTE", |
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30 | "IPV6_6RD", |
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31 | }; |
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32 | |||
33 | #define IPV4_HNAPT 0 |
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34 | #define IPV4_HNAT 1 |
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35 | #define IS_IPV4_HNAPT(x) (((x)->bfib1.pkt_type == IPV4_HNAPT) ? 1: 0) |
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36 | struct mtk_eth *_eth; |
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37 | #define es(entry) (mtk_foe_entry_state_str[entry->bfib1.state]) |
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38 | //#define ei(entry, end) (MTK_PPE_TBL_SZ - (int)(end - entry)) |
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39 | #define ei(entry, end) (MTK_PPE_ENTRY_CNT - (int)(end - entry)) |
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40 | #define pt(entry) (mtk_foe_packet_type_str[entry->ipv4_hnapt.bfib1.pkt_type]) |
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41 | |||
42 | static int mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private) |
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43 | { |
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44 | struct mtk_eth *eth = _eth; |
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45 | struct mtk_foe_entry *entry, *end; |
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46 | int i = 0; |
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47 | |||
48 | entry = eth->foe_table; |
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49 | end = eth->foe_table + MTK_PPE_ENTRY_CNT; |
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50 | |||
51 | while (entry < end) { |
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52 | if (IS_IPV4_HNAPT(entry)) { |
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53 | __be32 saddr = htonl(entry->ipv4_hnapt.sip); |
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54 | __be32 daddr = htonl(entry->ipv4_hnapt.dip); |
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55 | __be32 nsaddr = htonl(entry->ipv4_hnapt.new_sip); |
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56 | __be32 ndaddr = htonl(entry->ipv4_hnapt.new_dip); |
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57 | unsigned char h_dest[ETH_ALEN]; |
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58 | unsigned char h_source[ETH_ALEN]; |
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59 | |||
60 | *((u32*) h_source) = swab32(entry->ipv4_hnapt.smac_hi); |
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61 | *((u16*) &h_source[4]) = swab16(entry->ipv4_hnapt.smac_lo); |
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62 | *((u32*) h_dest) = swab32(entry->ipv4_hnapt.dmac_hi); |
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63 | *((u16*) &h_dest[4]) = swab16(entry->ipv4_hnapt.dmac_lo); |
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64 | seq_printf(m, |
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65 | "(%x)0x%05x|state=%s|type=%s|" |
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66 | "%pI4:%d->%pI4:%d=>%pI4:%d->%pI4:%d|%pM=>%pM|" |
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67 | "etype=0x%04x|info1=0x%x|info2=0x%x|" |
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68 | "vlan1=%d|vlan2=%d\n", |
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69 | i, |
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70 | ei(entry, end), es(entry), pt(entry), |
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71 | &saddr, entry->ipv4_hnapt.sport, |
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72 | &daddr, entry->ipv4_hnapt.dport, |
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73 | &nsaddr, entry->ipv4_hnapt.new_sport, |
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74 | &ndaddr, entry->ipv4_hnapt.new_dport, h_source, |
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75 | h_dest, ntohs(entry->ipv4_hnapt.etype), |
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76 | entry->ipv4_hnapt.info_blk1, |
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77 | entry->ipv4_hnapt.info_blk2, |
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78 | entry->ipv4_hnapt.vlan1, |
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79 | entry->ipv4_hnapt.vlan2); |
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80 | } else |
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81 | seq_printf(m, "0x%05x state=%s\n", |
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82 | ei(entry, end), es(entry)); |
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83 | entry++; |
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84 | i++; |
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85 | } |
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86 | |||
87 | return 0; |
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88 | } |
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89 | |||
90 | static int mtk_ppe_debugfs_foe_open(struct inode *inode, struct file *file) |
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91 | { |
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92 | return single_open(file, mtk_ppe_debugfs_foe_show, file->private_data); |
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93 | } |
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94 | |||
95 | static const struct file_operations mtk_ppe_debugfs_foe_fops = { |
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96 | .open = mtk_ppe_debugfs_foe_open, |
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97 | .read = seq_read, |
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98 | .llseek = seq_lseek, |
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99 | .release = single_release, |
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100 | }; |
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101 | |||
102 | int mtk_ppe_debugfs_init(struct mtk_eth *eth) |
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103 | { |
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104 | struct dentry *root; |
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105 | |||
106 | _eth = eth; |
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107 | |||
108 | root = debugfs_create_dir("mtk_ppe", NULL); |
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109 | if (!root) |
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110 | return -ENOMEM; |
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111 | |||
112 | debugfs_create_file("all_entry", S_IRUGO, root, eth, &mtk_ppe_debugfs_foe_fops); |
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113 | |||
114 | return 0; |
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115 | } |