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net: mptcp: use policy generated by YAML spec

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generated with:

 $ ./tools/net/ynl/ynl-gen-c.py --mode kernel \
 > --spec Documentation/netlink/specs/mptcp.yaml --source \
 > -o net/mptcp/mptcp_pm_gen.c
 $ ./tools/net/ynl/ynl-gen-c.py --mode kernel \
 > --spec Documentation/netlink/specs/mptcp.yaml --header \
 > -o net/mptcp/mptcp_pm_gen.h

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/340
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-1-v2-7-16b1f701f900@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Davide Caratti 2023-10-23 11:17:11 -07:00 committed by Jakub Kicinski
parent 1e07938e29
commit aab4d85649
5 changed files with 250 additions and 161 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/mptcp/Makefile
View File

@ -2,7 +2,8 @@
obj-$(CONFIG_MPTCP) += mptcp.o
mptcp-y := protocol.o subflow.o options.o token.o crypto.o ctrl.o pm.o diag.o \
mib.o pm_netlink.o sockopt.o pm_userspace.o fastopen.o sched.o
mib.o pm_netlink.o sockopt.o pm_userspace.o fastopen.o sched.o \
mptcp_pm_gen.o
obj-$(CONFIG_SYN_COOKIES) += syncookies.o
obj-$(CONFIG_INET_MPTCP_DIAG) += mptcp_diag.o

179
net/mptcp/mptcp_pm_gen.c Normal file
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@ -0,0 +1,179 @@
// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
/* Do not edit directly, auto-generated from: */
/* Documentation/netlink/specs/mptcp.yaml */
/* YNL-GEN kernel source */
#include <net/netlink.h>
#include <net/genetlink.h>
#include "mptcp_pm_gen.h"
#include <uapi/linux/mptcp_pm.h>
/* Common nested types */
const struct nla_policy mptcp_pm_address_nl_policy[MPTCP_PM_ADDR_ATTR_IF_IDX + 1] = {
[MPTCP_PM_ADDR_ATTR_FAMILY] = { .type = NLA_U16, },
[MPTCP_PM_ADDR_ATTR_ID] = { .type = NLA_U8, },
[MPTCP_PM_ADDR_ATTR_ADDR4] = { .type = NLA_U32, },
[MPTCP_PM_ADDR_ATTR_ADDR6] = NLA_POLICY_EXACT_LEN(16),
[MPTCP_PM_ADDR_ATTR_PORT] = { .type = NLA_U16, },
[MPTCP_PM_ADDR_ATTR_FLAGS] = { .type = NLA_U32, },
[MPTCP_PM_ADDR_ATTR_IF_IDX] = { .type = NLA_S32, },
};
/* MPTCP_PM_CMD_ADD_ADDR - do */
const struct nla_policy mptcp_pm_add_addr_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1] = {
[MPTCP_PM_ENDPOINT_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_DEL_ADDR - do */
const struct nla_policy mptcp_pm_del_addr_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1] = {
[MPTCP_PM_ENDPOINT_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_GET_ADDR - do */
const struct nla_policy mptcp_pm_get_addr_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1] = {
[MPTCP_PM_ENDPOINT_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_FLUSH_ADDRS - do */
const struct nla_policy mptcp_pm_flush_addrs_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1] = {
[MPTCP_PM_ENDPOINT_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_SET_LIMITS - do */
const struct nla_policy mptcp_pm_set_limits_nl_policy[MPTCP_PM_ATTR_SUBFLOWS + 1] = {
[MPTCP_PM_ATTR_RCV_ADD_ADDRS] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_SUBFLOWS] = { .type = NLA_U32, },
};
/* MPTCP_PM_CMD_GET_LIMITS - do */
const struct nla_policy mptcp_pm_get_limits_nl_policy[MPTCP_PM_ATTR_SUBFLOWS + 1] = {
[MPTCP_PM_ATTR_RCV_ADD_ADDRS] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_SUBFLOWS] = { .type = NLA_U32, },
};
/* MPTCP_PM_CMD_SET_FLAGS - do */
const struct nla_policy mptcp_pm_set_flags_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1] = {
[MPTCP_PM_ATTR_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_ADDR_REMOTE] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_ANNOUNCE - do */
const struct nla_policy mptcp_pm_announce_nl_policy[MPTCP_PM_ATTR_TOKEN + 1] = {
[MPTCP_PM_ATTR_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
};
/* MPTCP_PM_CMD_REMOVE - do */
const struct nla_policy mptcp_pm_remove_nl_policy[MPTCP_PM_ATTR_LOC_ID + 1] = {
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_LOC_ID] = { .type = NLA_U8, },
};
/* MPTCP_PM_CMD_SUBFLOW_CREATE - do */
const struct nla_policy mptcp_pm_subflow_create_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1] = {
[MPTCP_PM_ATTR_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_ADDR_REMOTE] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_SUBFLOW_DESTROY - do */
const struct nla_policy mptcp_pm_subflow_destroy_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1] = {
[MPTCP_PM_ATTR_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_ADDR_REMOTE] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* Ops table for mptcp_pm */
const struct genl_ops mptcp_pm_nl_ops[11] = {
{
.cmd = MPTCP_PM_CMD_ADD_ADDR,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_add_addr_doit,
.policy = mptcp_pm_add_addr_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_DEL_ADDR,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_del_addr_doit,
.policy = mptcp_pm_del_addr_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_GET_ADDR,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_get_addr_doit,
.dumpit = mptcp_pm_nl_get_addr_dumpit,
.policy = mptcp_pm_get_addr_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_FLUSH_ADDRS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_flush_addrs_doit,
.policy = mptcp_pm_flush_addrs_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_SET_LIMITS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_set_limits_doit,
.policy = mptcp_pm_set_limits_nl_policy,
.maxattr = MPTCP_PM_ATTR_SUBFLOWS,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_GET_LIMITS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_get_limits_doit,
.policy = mptcp_pm_get_limits_nl_policy,
.maxattr = MPTCP_PM_ATTR_SUBFLOWS,
},
{
.cmd = MPTCP_PM_CMD_SET_FLAGS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_set_flags_doit,
.policy = mptcp_pm_set_flags_nl_policy,
.maxattr = MPTCP_PM_ATTR_ADDR_REMOTE,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_ANNOUNCE,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_announce_doit,
.policy = mptcp_pm_announce_nl_policy,
.maxattr = MPTCP_PM_ATTR_TOKEN,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_REMOVE,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_remove_doit,
.policy = mptcp_pm_remove_nl_policy,
.maxattr = MPTCP_PM_ATTR_LOC_ID,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_SUBFLOW_CREATE,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_subflow_create_doit,
.policy = mptcp_pm_subflow_create_nl_policy,
.maxattr = MPTCP_PM_ATTR_ADDR_REMOTE,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_SUBFLOW_DESTROY,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_subflow_destroy_doit,
.policy = mptcp_pm_subflow_destroy_nl_policy,
.maxattr = MPTCP_PM_ATTR_ADDR_REMOTE,
.flags = GENL_UNS_ADMIN_PERM,
},
};

58
net/mptcp/mptcp_pm_gen.h Normal file
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@ -0,0 +1,58 @@
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
/* Do not edit directly, auto-generated from: */
/* Documentation/netlink/specs/mptcp.yaml */
/* YNL-GEN kernel header */
#ifndef _LINUX_MPTCP_PM_GEN_H
#define _LINUX_MPTCP_PM_GEN_H
#include <net/netlink.h>
#include <net/genetlink.h>
#include <uapi/linux/mptcp_pm.h>
/* Common nested types */
extern const struct nla_policy mptcp_pm_address_nl_policy[MPTCP_PM_ADDR_ATTR_IF_IDX + 1];
extern const struct nla_policy mptcp_pm_add_addr_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1];
extern const struct nla_policy mptcp_pm_del_addr_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1];
extern const struct nla_policy mptcp_pm_get_addr_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1];
extern const struct nla_policy mptcp_pm_flush_addrs_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1];
extern const struct nla_policy mptcp_pm_set_limits_nl_policy[MPTCP_PM_ATTR_SUBFLOWS + 1];
extern const struct nla_policy mptcp_pm_get_limits_nl_policy[MPTCP_PM_ATTR_SUBFLOWS + 1];
extern const struct nla_policy mptcp_pm_set_flags_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1];
extern const struct nla_policy mptcp_pm_announce_nl_policy[MPTCP_PM_ATTR_TOKEN + 1];
extern const struct nla_policy mptcp_pm_remove_nl_policy[MPTCP_PM_ATTR_LOC_ID + 1];
extern const struct nla_policy mptcp_pm_subflow_create_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1];
extern const struct nla_policy mptcp_pm_subflow_destroy_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1];
/* Ops table for mptcp_pm */
extern const struct genl_ops mptcp_pm_nl_ops[11];
int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_del_addr_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_get_addr_dumpit(struct sk_buff *skb,
struct netlink_callback *cb);
int mptcp_pm_nl_flush_addrs_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_set_limits_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_get_limits_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_set_flags_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_announce_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_remove_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_subflow_create_doit(struct sk_buff *skb,
struct genl_info *info);
int mptcp_pm_nl_subflow_destroy_doit(struct sk_buff *skb,
struct genl_info *info);
#endif /* _LINUX_MPTCP_PM_GEN_H */

165
net/mptcp/pm_netlink.c
View File

@ -48,60 +48,6 @@ struct pm_nl_pernet {
#define MPTCP_PM_ADDR_MAX 8
#define ADD_ADDR_RETRANS_MAX 3
static
const struct nla_policy mptcp_pm_address_nl_policy[MPTCP_PM_ADDR_ATTR_IF_IDX + 1] = {
[MPTCP_PM_ADDR_ATTR_FAMILY] = { .type = NLA_U16, },
[MPTCP_PM_ADDR_ATTR_ID] = { .type = NLA_U8, },
[MPTCP_PM_ADDR_ATTR_ADDR4] = { .type = NLA_U32, },
[MPTCP_PM_ADDR_ATTR_ADDR6] = NLA_POLICY_EXACT_LEN(16),
[MPTCP_PM_ADDR_ATTR_PORT] = { .type = NLA_U16, },
[MPTCP_PM_ADDR_ATTR_FLAGS] = { .type = NLA_U32, },
[MPTCP_PM_ADDR_ATTR_IF_IDX] = { .type = NLA_S32, },
};
/* MPTCP_PM_CMD_ADD_ADDR / DEL / GET / FLUSH - do */
static
const struct nla_policy mptcp_pm_endpoint_nl_policy[MPTCP_PM_ENDPOINT_ADDR + 1] = {
[MPTCP_PM_ENDPOINT_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_SET_LIMITS - do */
static
const struct nla_policy mptcp_pm_set_limits_nl_policy[MPTCP_PM_ATTR_SUBFLOWS + 1] = {
[MPTCP_PM_ATTR_RCV_ADD_ADDRS] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_SUBFLOWS] = { .type = NLA_U32, },
};
/* MPTCP_PM_CMD_SET_FLAGS - do */
static
const struct nla_policy mptcp_pm_set_flags_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1] = {
[MPTCP_PM_ATTR_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_ADDR_REMOTE] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
/* MPTCP_PM_CMD_ANNOUNCE - do */
static
const struct nla_policy mptcp_pm_announce_nl_policy[MPTCP_PM_ATTR_TOKEN + 1] = {
[MPTCP_PM_ATTR_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
};
/* MPTCP_PM_CMD_REMOVE - do */
static
const struct nla_policy mptcp_pm_remove_nl_policy[MPTCP_PM_ATTR_LOC_ID + 1] = {
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_LOC_ID] = { .type = NLA_U8, },
};
/* MPTCP_PM_CMD_SUBFLOW_CREATE / DESTROY - do */
static
const struct nla_policy mptcp_pm_subflow_create_nl_policy[MPTCP_PM_ATTR_ADDR_REMOTE + 1] = {
[MPTCP_PM_ATTR_ADDR] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_ADDR_REMOTE] = NLA_POLICY_NESTED(mptcp_pm_address_nl_policy),
};
static struct pm_nl_pernet *pm_nl_get_pernet(const struct net *net)
{
return net_generic(net, pm_nl_pernet_id);
@ -1334,7 +1280,7 @@ static int mptcp_nl_add_subflow_or_signal_addr(struct net *net)
return 0;
}
static int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, struct genl_info *info)
int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *attr = info->attrs[MPTCP_PM_ENDPOINT_ADDR];
struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
@ -1515,7 +1461,7 @@ static int mptcp_nl_remove_id_zero_address(struct net *net,
return 0;
}
static int mptcp_pm_nl_del_addr_doit(struct sk_buff *skb, struct genl_info *info)
int mptcp_pm_nl_del_addr_doit(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *attr = info->attrs[MPTCP_PM_ENDPOINT_ADDR];
struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
@ -1650,7 +1596,7 @@ static void __reset_counters(struct pm_nl_pernet *pernet)
pernet->addrs = 0;
}
static int mptcp_pm_nl_flush_addrs_doit(struct sk_buff *skb, struct genl_info *info)
int mptcp_pm_nl_flush_addrs_doit(struct sk_buff *skb, struct genl_info *info)
{
struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
LIST_HEAD(free_list);
@ -1706,7 +1652,7 @@ static int mptcp_nl_fill_addr(struct sk_buff *skb,
return -EMSGSIZE;
}
static int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, struct genl_info *info)
int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *attr = info->attrs[MPTCP_PM_ENDPOINT_ADDR];
struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
@ -1756,8 +1702,8 @@ static int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, struct genl_info *info
return ret;
}
static int mptcp_pm_nl_get_addr_dumpit(struct sk_buff *msg,
struct netlink_callback *cb)
int mptcp_pm_nl_get_addr_dumpit(struct sk_buff *msg,
struct netlink_callback *cb)
{
struct net *net = sock_net(msg->sk);
struct mptcp_pm_addr_entry *entry;
@ -1814,8 +1760,7 @@ static int parse_limit(struct genl_info *info, int id, unsigned int *limit)
return 0;
}
static int
mptcp_pm_nl_set_limits_doit(struct sk_buff *skb, struct genl_info *info)
int mptcp_pm_nl_set_limits_doit(struct sk_buff *skb, struct genl_info *info)
{
struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
unsigned int rcv_addrs, subflows;
@ -1840,8 +1785,7 @@ mptcp_pm_nl_set_limits_doit(struct sk_buff *skb, struct genl_info *info)
return ret;
}
static int
mptcp_pm_nl_get_limits_doit(struct sk_buff *skb, struct genl_info *info)
int mptcp_pm_nl_get_limits_doit(struct sk_buff *skb, struct genl_info *info)
{
struct pm_nl_pernet *pernet = genl_info_pm_nl(info);
struct sk_buff *msg;
@ -1950,7 +1894,7 @@ int mptcp_pm_nl_set_flags(struct net *net, struct mptcp_pm_addr_entry *addr, u8
return 0;
}
static int mptcp_pm_nl_set_flags_doit(struct sk_buff *skb, struct genl_info *info)
int mptcp_pm_nl_set_flags_doit(struct sk_buff *skb, struct genl_info *info)
{
struct mptcp_pm_addr_entry remote = { .addr = { .family = AF_UNSPEC }, };
struct mptcp_pm_addr_entry addr = { .addr = { .family = AF_UNSPEC }, };
@ -2314,97 +2258,6 @@ void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk,
nlmsg_free(skb);
}
static const struct genl_ops mptcp_pm_nl_ops[] = {
{
.cmd = MPTCP_PM_CMD_ADD_ADDR,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_add_addr_doit,
.policy = mptcp_pm_endpoint_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_DEL_ADDR,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_del_addr_doit,
.policy = mptcp_pm_endpoint_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_GET_ADDR,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_get_addr_doit,
.dumpit = mptcp_pm_nl_get_addr_dumpit,
.policy = mptcp_pm_endpoint_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_FLUSH_ADDRS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_flush_addrs_doit,
.policy = mptcp_pm_endpoint_nl_policy,
.maxattr = MPTCP_PM_ENDPOINT_ADDR,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_SET_LIMITS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_set_limits_doit,
.policy = mptcp_pm_set_limits_nl_policy,
.maxattr = MPTCP_PM_ATTR_SUBFLOWS,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_GET_LIMITS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_get_limits_doit,
.policy = mptcp_pm_set_limits_nl_policy,
.maxattr = MPTCP_PM_ATTR_SUBFLOWS,
},
{
.cmd = MPTCP_PM_CMD_SET_FLAGS,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_set_flags_doit,
.policy = mptcp_pm_set_flags_nl_policy,
.maxattr = MPTCP_PM_ATTR_ADDR_REMOTE,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_ANNOUNCE,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_announce_doit,
.policy = mptcp_pm_announce_nl_policy,
.maxattr = MPTCP_PM_ATTR_TOKEN,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_REMOVE,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_remove_doit,
.policy = mptcp_pm_remove_nl_policy,
.maxattr = MPTCP_PM_ATTR_LOC_ID,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_SUBFLOW_CREATE,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_subflow_create_doit,
.policy = mptcp_pm_subflow_create_nl_policy,
.maxattr = MPTCP_PM_ATTR_ADDR_REMOTE,
.flags = GENL_UNS_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_SUBFLOW_DESTROY,
.validate = GENL_DONT_VALIDATE_STRICT,
.doit = mptcp_pm_nl_subflow_destroy_doit,
.policy = mptcp_pm_subflow_create_nl_policy,
.maxattr = MPTCP_PM_ATTR_ADDR_REMOTE,
.flags = GENL_UNS_ADMIN_PERM,
},
};
static struct genl_family mptcp_genl_family __ro_after_init = {
.name = MPTCP_PM_NAME,
.version = MPTCP_PM_VER,

6
net/mptcp/protocol.h
View File

@ -13,6 +13,8 @@
#include <uapi/linux/mptcp.h>
#include <net/genetlink.h>
#include "mptcp_pm_gen.h"
#define MPTCP_SUPPORTED_VERSION 1
/* MPTCP option bits */
@ -877,10 +879,6 @@ void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk,
struct list_head *rm_list);
void mptcp_free_local_addr_list(struct mptcp_sock *msk);
int mptcp_pm_nl_announce_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_remove_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_subflow_create_doit(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_subflow_destroy_doit(struct sk_buff *skb, struct genl_info *info);
void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk,
const struct sock *ssk, gfp_t gfp);