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-rw-r--r--net/rds/rds.h3
-rw-r--r--net/rds/recv.c4
2 files changed, 7 insertions, 0 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 0bb8213c7d0b..8ccd5a93e56c 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -631,6 +631,9 @@ struct rds_statistics {
uint64_t s_cong_update_received;
uint64_t s_cong_send_error;
uint64_t s_cong_send_blocked;
+ uint64_t s_recv_bytes_added_to_socket;
+ uint64_t s_recv_bytes_removed_from_socket;
+
};
/* af_rds.c */
diff --git a/net/rds/recv.c b/net/rds/recv.c
index 9d0666e5fe35..ba19eeeae85a 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -94,6 +94,10 @@ static void rds_recv_rcvbuf_delta(struct rds_sock *rs, struct sock *sk,
return;
rs->rs_rcv_bytes += delta;
+ if (delta > 0)
+ rds_stats_add(s_recv_bytes_added_to_socket, delta);
+ else
+ rds_stats_add(s_recv_bytes_removed_from_socket, -delta);
now_congested = rs->rs_rcv_bytes > rds_sk_rcvbuf(rs);
rdsdebug("rs %p (%pI4:%u) recv bytes %d buf %d "