| 1 | /* |
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| 2 | * GRUB -- GRand Unified Bootloader |
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| 3 | * Copyright (C) 2010,2011 Free Software Foundation, Inc. |
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| 4 | * |
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| 5 | * GRUB is free software: you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation, either version 3 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * GRUB is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
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| 17 | */ |
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| 18 | |
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| 19 | #ifndef GRUB_NET_IP_HEADER |
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| 20 | #define GRUB_NET_IP_HEADER 1 |
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| 21 | #include <grub/misc.h> |
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| 22 | #include <grub/net.h> |
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| 23 | |
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| 24 | typedef enum grub_net_ip_protocol |
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| 25 | { |
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| 26 | GRUB_NET_IP_ICMP = 1, |
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| 27 | GRUB_NET_IP_TCP = 6, |
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| 28 | GRUB_NET_IP_UDP = 17, |
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| 29 | GRUB_NET_IP_ICMPV6 = 58 |
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| 30 | } grub_net_ip_protocol_t; |
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| 31 | #define GRUB_NET_IP_BROADCAST 0xFFFFFFFF |
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| 32 | |
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| 33 | static inline grub_uint64_t |
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| 34 | grub_net_ipv6_get_id (const grub_net_link_level_address_t *addr) |
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| 35 | { |
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| 36 | return grub_cpu_to_be64 (((grub_uint64_t) (addr->mac[0] ^ 2) << 56) |
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| 37 | | ((grub_uint64_t) addr->mac[1] << 48) |
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| 38 | | ((grub_uint64_t) addr->mac[2] << 40) |
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| 39 | | 0xfffe000000ULL |
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| 40 | | ((grub_uint64_t) addr->mac[3] << 16) |
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| 41 | | ((grub_uint64_t) addr->mac[4] << 8) |
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| 42 | | ((grub_uint64_t) addr->mac[5])); |
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| 43 | } |
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| 44 | |
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| 45 | grub_uint16_t grub_net_ip_chksum(void *ipv, grub_size_t len); |
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| 46 | |
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| 47 | grub_err_t |
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| 48 | grub_net_recv_ip_packets (struct grub_net_buff *nb, |
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| 49 | struct grub_net_card *card, |
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| 50 | const grub_net_link_level_address_t *hwaddress, |
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| 51 | const grub_net_link_level_address_t *src_hwaddress); |
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| 52 | |
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| 53 | grub_err_t |
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| 54 | grub_net_send_ip_packet (struct grub_net_network_level_interface *inf, |
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| 55 | const grub_net_network_level_address_t *target, |
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| 56 | const grub_net_link_level_address_t *ll_target_addr, |
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| 57 | struct grub_net_buff *nb, |
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| 58 | grub_net_ip_protocol_t proto); |
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| 59 | |
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| 60 | grub_err_t |
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| 61 | grub_net_recv_icmp_packet (struct grub_net_buff *nb, |
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| 62 | struct grub_net_network_level_interface *inf, |
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| 63 | const grub_net_link_level_address_t *ll_src, |
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| 64 | const grub_net_network_level_address_t *src); |
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| 65 | grub_err_t |
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| 66 | grub_net_recv_icmp6_packet (struct grub_net_buff *nb, |
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| 67 | struct grub_net_card *card, |
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| 68 | struct grub_net_network_level_interface *inf, |
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| 69 | const grub_net_link_level_address_t *ll_src, |
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| 70 | const grub_net_network_level_address_t *source, |
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| 71 | const grub_net_network_level_address_t *dest, |
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| 72 | grub_uint8_t ttl); |
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| 73 | grub_err_t |
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| 74 | grub_net_recv_udp_packet (struct grub_net_buff *nb, |
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| 75 | struct grub_net_network_level_interface *inf, |
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| 76 | const grub_net_network_level_address_t *src); |
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| 77 | grub_err_t |
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| 78 | grub_net_recv_tcp_packet (struct grub_net_buff *nb, |
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| 79 | struct grub_net_network_level_interface *inf, |
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| 80 | const grub_net_network_level_address_t *source); |
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| 81 | |
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| 82 | grub_uint16_t |
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| 83 | grub_net_ip_transport_checksum (struct grub_net_buff *nb, |
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| 84 | grub_uint16_t proto, |
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| 85 | const grub_net_network_level_address_t *src, |
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| 86 | const grub_net_network_level_address_t *dst); |
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| 87 | |
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| 88 | struct grub_net_network_level_interface * |
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| 89 | grub_net_ipv6_get_link_local (struct grub_net_card *card, |
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| 90 | const grub_net_link_level_address_t *hwaddr); |
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| 91 | grub_err_t |
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| 92 | grub_net_icmp6_send_request (struct grub_net_network_level_interface *inf, |
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| 93 | const grub_net_network_level_address_t *proto_addr); |
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| 94 | |
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| 95 | #endif |
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