^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #include <net/genetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <net/ila.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <net/netns/generic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <uapi/linux/genetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include "ila.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) static const struct nla_policy ila_nl_policy[ILA_ATTR_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) [ILA_ATTR_LOCATOR] = { .type = NLA_U64, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) [ILA_ATTR_LOCATOR_MATCH] = { .type = NLA_U64, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) [ILA_ATTR_IFINDEX] = { .type = NLA_U32, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) [ILA_ATTR_CSUM_MODE] = { .type = NLA_U8, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) [ILA_ATTR_IDENT_TYPE] = { .type = NLA_U8, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static const struct genl_ops ila_nl_ops[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) .cmd = ILA_CMD_ADD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) .doit = ila_xlat_nl_cmd_add_mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .flags = GENL_ADMIN_PERM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) .cmd = ILA_CMD_DEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) .doit = ila_xlat_nl_cmd_del_mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) .flags = GENL_ADMIN_PERM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) .cmd = ILA_CMD_FLUSH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .doit = ila_xlat_nl_cmd_flush,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) .flags = GENL_ADMIN_PERM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .cmd = ILA_CMD_GET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .doit = ila_xlat_nl_cmd_get_mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .start = ila_xlat_nl_dump_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) .dumpit = ila_xlat_nl_dump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .done = ila_xlat_nl_dump_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned int ila_net_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct genl_family ila_nl_family __ro_after_init = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .hdrsize = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .name = ILA_GENL_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .version = ILA_GENL_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .maxattr = ILA_ATTR_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .policy = ila_nl_policy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .netnsok = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .parallel_ops = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .ops = ila_nl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .n_ops = ARRAY_SIZE(ila_nl_ops),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static __net_init int ila_init_net(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) err = ila_xlat_init_net(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) goto ila_xlat_init_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ila_xlat_init_fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static __net_exit void ila_exit_net(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) ila_xlat_exit_net(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static struct pernet_operations ila_net_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .init = ila_init_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .exit = ila_exit_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .id = &ila_net_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .size = sizeof(struct ila_net),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int __init ila_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) ret = register_pernet_device(&ila_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) goto register_device_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) ret = genl_register_family(&ila_nl_family);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) goto register_family_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ret = ila_lwt_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) goto fail_lwt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) fail_lwt:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) genl_unregister_family(&ila_nl_family);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) register_family_fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) unregister_pernet_device(&ila_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) register_device_fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) static void __exit ila_fini(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) ila_lwt_fini();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) genl_unregister_family(&ila_nl_family);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) unregister_pernet_device(&ila_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) module_init(ila_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) module_exit(ila_fini);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) MODULE_AUTHOR("Tom Herbert <tom@herbertland.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) MODULE_DESCRIPTION("IPv6: Identifier Locator Addressing (ILA)");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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