[PATCH net-next 02/15] mptcp: export mptcp_genl_family & mptcp_nl_fill_addr

From: Matthieu Baerts (NGI0)
Date: Fri Mar 01 2024 - 13:19:47 EST


From: Geliang Tang <tanggeliang@xxxxxxxxxx>

This patch exports struct mptcp_genl_family and mptcp_nl_fill_addr() helper
to allow them can be used in pm_userspace.c.

Signed-off-by: Geliang Tang <tanggeliang@xxxxxxxxxx>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
Reviewed-by: Mat Martineau <martineau@xxxxxxxxxx>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
---
net/mptcp/pm_netlink.c | 9 +++------
net/mptcp/protocol.h | 4 ++++
2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 80c537659922..e8cb887561e0 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -18,9 +18,6 @@
#include "protocol.h"
#include "mib.h"

-/* forward declaration */
-static struct genl_family mptcp_genl_family;
-
static int pm_nl_pernet_id;

struct mptcp_pm_add_entry {
@@ -1636,8 +1633,8 @@ int mptcp_pm_nl_flush_addrs_doit(struct sk_buff *skb, struct genl_info *info)
return 0;
}

-static int mptcp_nl_fill_addr(struct sk_buff *skb,
- struct mptcp_pm_addr_entry *entry)
+int mptcp_nl_fill_addr(struct sk_buff *skb,
+ struct mptcp_pm_addr_entry *entry)
{
struct mptcp_addr_info *addr = &entry->addr;
struct nlattr *attr;
@@ -2281,7 +2278,7 @@ void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk,
nlmsg_free(skb);
}

-static struct genl_family mptcp_genl_family __ro_after_init = {
+struct genl_family mptcp_genl_family __ro_after_init = {
.name = MPTCP_PM_NAME,
.version = MPTCP_PM_VER,
.netnsok = true,
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index b85d1a8d111b..d70fb3bf5076 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -343,6 +343,8 @@ struct mptcp_sock {
#define mptcp_for_each_subflow_safe(__msk, __subflow, __tmp) \
list_for_each_entry_safe(__subflow, __tmp, &((__msk)->conn_list), node)

+extern struct genl_family mptcp_genl_family;
+
static inline void msk_owned_by_me(const struct mptcp_sock *msk)
{
sock_owned_by_me((const struct sock *)msk);
@@ -974,6 +976,8 @@ void __mptcp_fastopen_gen_msk_ackseq(struct mptcp_sock *msk, struct mptcp_subflo
const struct mptcp_options_received *mp_opt);
void mptcp_fastopen_subflow_synack_set_params(struct mptcp_subflow_context *subflow,
struct request_sock *req);
+int mptcp_nl_fill_addr(struct sk_buff *skb,
+ struct mptcp_pm_addr_entry *entry);

static inline bool mptcp_pm_should_add_signal(struct mptcp_sock *msk)
{

--
2.43.0