diff options
Diffstat (limited to 'net/mptcp/sockopt.c')
| -rw-r--r-- | net/mptcp/sockopt.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index e172a5848b0d..fa5055d5b029 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -889,7 +889,9 @@ out: void mptcp_diag_fill_info(struct mptcp_sock *msk, struct mptcp_info *info) { + struct sock *sk = (struct sock *)msk; u32 flags = 0; + bool slow; memset(info, 0, sizeof(*info)); @@ -898,6 +900,9 @@ void mptcp_diag_fill_info(struct mptcp_sock *msk, struct mptcp_info *info) info->mptcpi_add_addr_accepted = READ_ONCE(msk->pm.add_addr_accepted); info->mptcpi_local_addr_used = READ_ONCE(msk->pm.local_addr_used); + if (inet_sk_state_load(sk) == TCP_LISTEN) + return; + /* The following limits only make sense for the in-kernel PM */ if (mptcp_pm_is_kernel(msk)) { info->mptcpi_subflows_max = @@ -915,11 +920,21 @@ void mptcp_diag_fill_info(struct mptcp_sock *msk, struct mptcp_info *info) if (READ_ONCE(msk->can_ack)) flags |= MPTCP_INFO_FLAG_REMOTE_KEY_RECEIVED; info->mptcpi_flags = flags; - info->mptcpi_token = READ_ONCE(msk->token); - info->mptcpi_write_seq = READ_ONCE(msk->write_seq); - info->mptcpi_snd_una = READ_ONCE(msk->snd_una); - info->mptcpi_rcv_nxt = READ_ONCE(msk->ack_seq); - info->mptcpi_csum_enabled = READ_ONCE(msk->csum_enabled); + mptcp_data_lock(sk); + info->mptcpi_snd_una = msk->snd_una; + info->mptcpi_rcv_nxt = msk->ack_seq; + info->mptcpi_bytes_acked = msk->bytes_acked; + mptcp_data_unlock(sk); + + slow = lock_sock_fast(sk); + info->mptcpi_csum_enabled = msk->csum_enabled; + info->mptcpi_token = msk->token; + info->mptcpi_write_seq = msk->write_seq; + info->mptcpi_retransmits = inet_csk(sk)->icsk_retransmits; + info->mptcpi_bytes_sent = msk->bytes_sent; + info->mptcpi_bytes_received = msk->bytes_received; + info->mptcpi_bytes_retrans = msk->bytes_retrans; + unlock_sock_fast(sk, slow); } EXPORT_SYMBOL_GPL(mptcp_diag_fill_info); |