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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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b6e71bdebb
Add ILA_CMD_FLUSH netlink command to clear the ILA translation table. Signed-off-by: Tom Herbert <tom@quantonium.net> Signed-off-by: David S. Miller <davem@davemloft.net>
122 lines
2.4 KiB
C
122 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <net/genetlink.h>
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#include <net/ila.h>
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#include <net/netns/generic.h>
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#include <uapi/linux/genetlink.h>
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#include "ila.h"
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static const struct nla_policy ila_nl_policy[ILA_ATTR_MAX + 1] = {
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[ILA_ATTR_LOCATOR] = { .type = NLA_U64, },
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[ILA_ATTR_LOCATOR_MATCH] = { .type = NLA_U64, },
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[ILA_ATTR_IFINDEX] = { .type = NLA_U32, },
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[ILA_ATTR_CSUM_MODE] = { .type = NLA_U8, },
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[ILA_ATTR_IDENT_TYPE] = { .type = NLA_U8, },
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};
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static const struct genl_ops ila_nl_ops[] = {
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{
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.cmd = ILA_CMD_ADD,
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.doit = ila_xlat_nl_cmd_add_mapping,
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.policy = ila_nl_policy,
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.flags = GENL_ADMIN_PERM,
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},
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{
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.cmd = ILA_CMD_DEL,
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.doit = ila_xlat_nl_cmd_del_mapping,
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.policy = ila_nl_policy,
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.flags = GENL_ADMIN_PERM,
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},
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{
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.cmd = ILA_CMD_FLUSH,
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.doit = ila_xlat_nl_cmd_flush,
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.policy = ila_nl_policy,
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.flags = GENL_ADMIN_PERM,
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},
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{
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.cmd = ILA_CMD_GET,
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.doit = ila_xlat_nl_cmd_get_mapping,
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.start = ila_xlat_nl_dump_start,
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.dumpit = ila_xlat_nl_dump,
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.done = ila_xlat_nl_dump_done,
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.policy = ila_nl_policy,
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},
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};
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unsigned int ila_net_id;
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struct genl_family ila_nl_family __ro_after_init = {
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.hdrsize = 0,
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.name = ILA_GENL_NAME,
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.version = ILA_GENL_VERSION,
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.maxattr = ILA_ATTR_MAX,
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.netnsok = true,
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.parallel_ops = true,
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.module = THIS_MODULE,
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.ops = ila_nl_ops,
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.n_ops = ARRAY_SIZE(ila_nl_ops),
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};
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static __net_init int ila_init_net(struct net *net)
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{
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int err;
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err = ila_xlat_init_net(net);
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if (err)
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goto ila_xlat_init_fail;
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return 0;
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ila_xlat_init_fail:
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return err;
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}
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static __net_exit void ila_exit_net(struct net *net)
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{
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ila_xlat_exit_net(net);
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}
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static struct pernet_operations ila_net_ops = {
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.init = ila_init_net,
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.exit = ila_exit_net,
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.id = &ila_net_id,
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.size = sizeof(struct ila_net),
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};
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static int __init ila_init(void)
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{
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int ret;
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ret = register_pernet_device(&ila_net_ops);
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if (ret)
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goto register_device_fail;
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ret = genl_register_family(&ila_nl_family);
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if (ret)
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goto register_family_fail;
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ret = ila_lwt_init();
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if (ret)
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goto fail_lwt;
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return 0;
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fail_lwt:
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genl_unregister_family(&ila_nl_family);
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register_family_fail:
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unregister_pernet_device(&ila_net_ops);
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register_device_fail:
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return ret;
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}
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static void __exit ila_fini(void)
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{
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ila_lwt_fini();
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genl_unregister_family(&ila_nl_family);
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unregister_pernet_device(&ila_net_ops);
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}
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module_init(ila_init);
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module_exit(ila_fini);
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MODULE_AUTHOR("Tom Herbert <tom@herbertland.com>");
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MODULE_LICENSE("GPL");
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