diff mbox series

[v2,mptcp-next,01/16] mptcp: add csum_enabled in mptcp_sock

Message ID ee1d26bf90397d9cbec5e4a165fc369ffab60d3e.1617014019.git.geliangtang@gmail.com
State Superseded, archived
Delegated to: Mat Martineau
Headers show
Series data checksum support | expand

Commit Message

Geliang Tang March 29, 2021, 10:54 a.m. UTC 
This patch added a new member named csum_enabled in struct mptcp_sock,
used a dummy mptcp_is_checksum_enabled() helper to initialize it.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
 net/mptcp/protocol.c | 1 +
 net/mptcp/protocol.h | 2 ++
 2 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 0265b8be0f84..56103814afed 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2368,6 +2368,7 @@  static int __mptcp_init_sock(struct sock *sk)
 	msk->ack_hint = NULL;
 	msk->first = NULL;
 	inet_csk(sk)->icsk_sync_mss = mptcp_sync_mss;
+	WRITE_ONCE(msk->csum_enabled, mptcp_is_checksum_enabled(sock_net(sk)));
 
 	mptcp_pm_data_init(msk);
 
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 20770fe39ea5..826019bb2093 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -233,6 +233,7 @@  struct mptcp_sock {
 	bool		snd_data_fin_enable;
 	bool		rcv_fastclose;
 	bool		use_64bit_ack; /* Set when we received a 64-bit DSN */
+	bool		csum_enabled;
 	spinlock_t	join_list_lock;
 	struct sock	*ack_hint;
 	struct work_struct work;
@@ -519,6 +520,7 @@  static inline void mptcp_subflow_delegated_done(struct mptcp_subflow_context *su
 
 int mptcp_is_enabled(struct net *net);
 unsigned int mptcp_get_add_addr_timeout(struct net *net);
+static inline int mptcp_is_checksum_enabled(struct net *net) { return false; }
 void mptcp_subflow_fully_established(struct mptcp_subflow_context *subflow,
 				     struct mptcp_options_received *mp_opt);
 bool mptcp_subflow_data_available(struct sock *sk);