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Diffstat (limited to 'net/dccp/diag.c')
-rw-r--r--net/dccp/diag.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/net/dccp/diag.c b/net/dccp/diag.c
index 0b10c176c35..f675d8e642d 100644
--- a/net/dccp/diag.c
+++ b/net/dccp/diag.c
@@ -14,19 +14,43 @@
#include <linux/module.h>
#include <linux/inet_diag.h>
+#include "ccid.h"
#include "dccp.h"
+static void dccp_get_info(struct sock *sk, struct tcp_info *info)
+{
+ struct dccp_sock *dp = dccp_sk(sk);
+ const struct inet_connection_sock *icsk = inet_csk(sk);
+
+ memset(info, 0, sizeof(*info));
+
+ info->tcpi_state = sk->sk_state;
+ info->tcpi_retransmits = icsk->icsk_retransmits;
+ info->tcpi_probes = icsk->icsk_probes_out;
+ info->tcpi_backoff = icsk->icsk_backoff;
+ info->tcpi_pmtu = dp->dccps_pmtu_cookie;
+
+ if (dp->dccps_options.dccpo_send_ack_vector)
+ info->tcpi_options |= TCPI_OPT_SACK;
+
+ ccid_hc_rx_get_info(dp->dccps_hc_rx_ccid, sk, info);
+ ccid_hc_tx_get_info(dp->dccps_hc_tx_ccid, sk, info);
+}
+
static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
void *_info)
{
r->idiag_rqueue = r->idiag_wqueue = 0;
+
+ if (_info != NULL)
+ dccp_get_info(sk, _info);
}
static struct inet_diag_handler dccp_diag_handler = {
.idiag_hashinfo = &dccp_hashinfo,
.idiag_get_info = dccp_diag_get_info,
.idiag_type = DCCPDIAG_GETSOCK,
- .idiag_info_size = 0,
+ .idiag_info_size = sizeof(struct tcp_info),
};
static int __init dccp_diag_init(void)