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9f9581ba74
While updating the binary min-len implementation, I noticed that the only user, should AFAICT be using exact-len instead. In net/ipv4/fou_core.c FOU_ATTR_LOCAL_V6 and FOU_ATTR_PEER_V6 are only used for singular IPv6 addresses, and there are AFAICT no known implementations trying to send more, it therefore appears safe to change it to an exact-len policy. This patch therefore changes the local-v6/peer-v6 attributes to use an exact-len check, instead of a min-len check. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20250902154640.759815-2-ast@fiberby.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
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/* Do not edit directly, auto-generated from: */
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/* Documentation/netlink/specs/fou.yaml */
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/* YNL-GEN kernel source */
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#include <net/netlink.h>
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#include <net/genetlink.h>
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#include "fou_nl.h"
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#include <uapi/linux/fou.h>
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/* Global operation policy for fou */
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const struct nla_policy fou_nl_policy[FOU_ATTR_IFINDEX + 1] = {
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[FOU_ATTR_PORT] = { .type = NLA_BE16, },
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[FOU_ATTR_AF] = { .type = NLA_U8, },
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[FOU_ATTR_IPPROTO] = { .type = NLA_U8, },
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[FOU_ATTR_TYPE] = { .type = NLA_U8, },
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[FOU_ATTR_REMCSUM_NOPARTIAL] = { .type = NLA_FLAG, },
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[FOU_ATTR_LOCAL_V4] = { .type = NLA_U32, },
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[FOU_ATTR_LOCAL_V6] = NLA_POLICY_EXACT_LEN(16),
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[FOU_ATTR_PEER_V4] = { .type = NLA_U32, },
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[FOU_ATTR_PEER_V6] = NLA_POLICY_EXACT_LEN(16),
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[FOU_ATTR_PEER_PORT] = { .type = NLA_BE16, },
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[FOU_ATTR_IFINDEX] = { .type = NLA_S32, },
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};
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/* Ops table for fou */
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const struct genl_small_ops fou_nl_ops[3] = {
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{
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.cmd = FOU_CMD_ADD,
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
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.doit = fou_nl_add_doit,
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.flags = GENL_ADMIN_PERM,
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},
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{
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.cmd = FOU_CMD_DEL,
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
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.doit = fou_nl_del_doit,
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.flags = GENL_ADMIN_PERM,
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},
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{
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.cmd = FOU_CMD_GET,
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
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.doit = fou_nl_get_doit,
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.dumpit = fou_nl_get_dumpit,
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},
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};
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