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Diffstat (limited to 'net/mptcp/protocol.h')
-rw-r--r--net/mptcp/protocol.h33
1 files changed, 22 insertions, 11 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 3b22313d1b86..74417aae08d0 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -236,6 +236,12 @@ struct mptcp_pm_data {
struct mptcp_rm_list rm_list_rx;
};
+struct mptcp_pm_local {
+ struct mptcp_addr_info addr;
+ u8 flags;
+ int ifindex;
+};
+
struct mptcp_pm_addr_entry {
struct list_head list;
struct mptcp_addr_info addr;
@@ -525,7 +531,8 @@ struct mptcp_subflow_context {
valid_csum_seen : 1, /* at least one csum validated */
is_mptfo : 1, /* subflow is doing TFO */
close_event_done : 1, /* has done the post-closed part */
- __unused : 9;
+ mpc_drop : 1, /* the MPC option has been dropped in a rtx */
+ __unused : 8;
bool data_avail;
bool scheduled;
u32 remote_nonce;
@@ -691,6 +698,11 @@ unsigned int mptcp_stale_loss_cnt(const struct net *net);
unsigned int mptcp_close_timeout(const struct sock *sk);
int mptcp_get_pm_type(const struct net *net);
const char *mptcp_get_scheduler(const struct net *net);
+
+void mptcp_active_disable(struct sock *sk);
+bool mptcp_active_should_disable(struct sock *ssk);
+void mptcp_active_enable(struct sock *sk);
+
void mptcp_get_available_schedulers(char *buf, size_t maxlen);
void __mptcp_subflow_fully_established(struct mptcp_sock *msk,
struct mptcp_subflow_context *subflow,
@@ -719,7 +731,7 @@ bool mptcp_addresses_equal(const struct mptcp_addr_info *a,
void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr);
/* called with sk socket lock held */
-int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc,
+int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_pm_local *local,
const struct mptcp_addr_info *remote);
int mptcp_subflow_create_socket(struct sock *sk, unsigned short family,
struct socket **new_sock);
@@ -1014,14 +1026,6 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk,
struct mptcp_pm_add_entry *
mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock *msk,
const struct mptcp_addr_info *addr);
-int mptcp_pm_get_flags_and_ifindex_by_id(struct mptcp_sock *msk,
- unsigned int id,
- u8 *flags, int *ifindex);
-int mptcp_pm_nl_get_flags_and_ifindex_by_id(struct mptcp_sock *msk, unsigned int id,
- u8 *flags, int *ifindex);
-int mptcp_userspace_pm_get_flags_and_ifindex_by_id(struct mptcp_sock *msk,
- unsigned int id,
- u8 *flags, int *ifindex);
int mptcp_pm_set_flags(struct sk_buff *skb, struct genl_info *info);
int mptcp_pm_nl_set_flags(struct sk_buff *skb, struct genl_info *info);
int mptcp_userspace_pm_set_flags(struct sk_buff *skb, struct genl_info *info);
@@ -1154,7 +1158,6 @@ static inline void mptcp_pm_close_subflow(struct mptcp_sock *msk)
spin_unlock_bh(&msk->pm.lock);
}
-void mptcp_sockopt_sync(struct mptcp_sock *msk, struct sock *ssk);
void mptcp_sockopt_sync_locked(struct mptcp_sock *msk, struct sock *ssk);
static inline struct mptcp_ext *mptcp_get_ext(const struct sk_buff *skb)
@@ -1218,6 +1221,14 @@ static inline void mptcp_do_fallback(struct sock *ssk)
#define pr_fallback(a) pr_debug("%s:fallback to TCP (msk=%p)\n", __func__, a)
+static inline void mptcp_subflow_early_fallback(struct mptcp_sock *msk,
+ struct mptcp_subflow_context *subflow)
+{
+ pr_fallback(msk);
+ subflow->request_mptcp = 0;
+ __mptcp_do_fallback(msk);
+}
+
static inline bool mptcp_check_infinite_map(struct sk_buff *skb)
{
struct mptcp_ext *mpext;