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-rw-r--r--net/mptcp/options.c10
-rw-r--r--net/mptcp/protocol.c11
-rw-r--r--net/mptcp/protocol.h4
-rw-r--r--net/mptcp/sockopt.c25
4 files changed, 42 insertions, 8 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 4bdcd2b326bd..c254accb14de 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -1026,6 +1026,12 @@ u64 __mptcp_expand_seq(u64 old_seq, u64 cur_seq)
return cur_seq;
}
+static void __mptcp_snd_una_update(struct mptcp_sock *msk, u64 new_snd_una)
+{
+ msk->bytes_acked += new_snd_una - msk->snd_una;
+ msk->snd_una = new_snd_una;
+}
+
static void ack_update_msk(struct mptcp_sock *msk,
struct sock *ssk,
struct mptcp_options_received *mp_opt)
@@ -1057,7 +1063,7 @@ static void ack_update_msk(struct mptcp_sock *msk,
__mptcp_check_push(sk, ssk);
if (after64(new_snd_una, old_snd_una)) {
- msk->snd_una = new_snd_una;
+ __mptcp_snd_una_update(msk, new_snd_una);
__mptcp_data_acked(sk);
}
mptcp_data_unlock(sk);
@@ -1123,7 +1129,7 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
/* on fallback we just need to ignore the msk-level snd_una, as
* this is really plain TCP
*/
- msk->snd_una = READ_ONCE(msk->snd_nxt);
+ __mptcp_snd_una_update(msk, READ_ONCE(msk->snd_nxt));
__mptcp_data_acked(subflow->conn);
mptcp_data_unlock(subflow->conn);
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 9c756d675d4d..d5b8e488bce1 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -377,6 +377,7 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk,
if (MPTCP_SKB_CB(skb)->map_seq == msk->ack_seq) {
/* in sequence */
+ msk->bytes_received += copy_len;
WRITE_ONCE(msk->ack_seq, msk->ack_seq + copy_len);
tail = skb_peek_tail(&sk->sk_receive_queue);
if (tail && mptcp_try_coalesce(sk, tail, skb))
@@ -760,6 +761,7 @@ static bool __mptcp_ofo_queue(struct mptcp_sock *msk)
MPTCP_SKB_CB(skb)->map_seq += delta;
__skb_queue_tail(&sk->sk_receive_queue, skb);
}
+ msk->bytes_received += end_seq - msk->ack_seq;
msk->ack_seq = end_seq;
moved = true;
}
@@ -1531,8 +1533,10 @@ static void mptcp_update_post_push(struct mptcp_sock *msk,
* that has been handed to the subflow for transmission
* and skip update in case it was old dfrag.
*/
- if (likely(after64(snd_nxt_new, msk->snd_nxt)))
+ if (likely(after64(snd_nxt_new, msk->snd_nxt))) {
+ msk->bytes_sent += snd_nxt_new - msk->snd_nxt;
msk->snd_nxt = snd_nxt_new;
+ }
}
void mptcp_check_and_set_pending(struct sock *sk)
@@ -2590,6 +2594,7 @@ static void __mptcp_retrans(struct sock *sk)
}
if (copied) {
dfrag->already_sent = max(dfrag->already_sent, info.sent);
+ msk->bytes_retrans += copied;
tcp_push(ssk, 0, info.mss_now, tcp_sk(ssk)->nonagle,
info.size_goal);
WRITE_ONCE(msk->allow_infinite_fallback, false);
@@ -3102,6 +3107,10 @@ static int mptcp_disconnect(struct sock *sk, int flags)
WRITE_ONCE(msk->csum_enabled, mptcp_is_checksum_enabled(sock_net(sk)));
mptcp_pm_data_reset(msk);
mptcp_ca_reset(sk);
+ msk->bytes_acked = 0;
+ msk->bytes_received = 0;
+ msk->bytes_sent = 0;
+ msk->bytes_retrans = 0;
WRITE_ONCE(sk->sk_shutdown, 0);
sk_error_report(sk);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 47b46602870e..27adfcc5aaa2 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -262,10 +262,13 @@ struct mptcp_sock {
u64 local_key;
u64 remote_key;
u64 write_seq;
+ u64 bytes_sent;
u64 snd_nxt;
+ u64 bytes_received;
u64 ack_seq;
atomic64_t rcv_wnd_sent;
u64 rcv_data_fin_seq;
+ u64 bytes_retrans;
int rmem_fwd_alloc;
struct sock *last_snd;
int snd_burst;
@@ -274,6 +277,7 @@ struct mptcp_sock {
* recovery related fields are under data_lock
* protection
*/
+ u64 bytes_acked;
u64 snd_una;
u64 wnd_end;
unsigned long timer_ival;
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);
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-19 13:48:46 +0300