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-rw-r--r--include/net/tcp.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 051dc5c2802d..6d204f3f9df8 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -576,7 +576,7 @@ static inline int tcp_bound_to_half_wnd(struct tcp_sock *tp, int pktsize)
}
/* tcp.c */
-void tcp_get_info(const struct sock *, struct tcp_info *);
+void tcp_get_info(struct sock *, struct tcp_info *);
/* Read 'sendfile()'-style from a TCP socket */
typedef int (*sk_read_actor_t)(read_descriptor_t *, struct sk_buff *,
@@ -804,6 +804,8 @@ enum tcp_ca_ack_event_flags {
/* Requires ECN/ECT set on all packets */
#define TCP_CONG_NEEDS_ECN 0x2
+union tcp_cc_info;
+
struct tcp_congestion_ops {
struct list_head list;
u32 key;
@@ -829,7 +831,8 @@ struct tcp_congestion_ops {
/* hook for packet ack accounting (optional) */
void (*pkts_acked)(struct sock *sk, u32 num_acked, s32 rtt_us);
/* get info for inet_diag (optional) */
- int (*get_info)(struct sock *sk, u32 ext, struct sk_buff *skb);
+ size_t (*get_info)(struct sock *sk, u32 ext, int *attr,
+ union tcp_cc_info *info);
char name[TCP_CA_NAME_MAX];
struct module *owner;