netdev - [PATCH 4/4] tcp: metrics: Dump info of the source-address in netlink-reply

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Message-Id: <1387109444-1104-5-git-send-email-christoph.paasch@uclouvain.be>
Date:	Sun, 15 Dec 2013 13:10:44 +0100
From:	Christoph Paasch <christoph.paasch@...ouvain.be>
To:	netdev@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Julian Anastasov <ja@....bg>
Subject: [PATCH 4/4] tcp: metrics: Dump info of the source-address in netlink-reply

Signed-off-by: Christoph Paasch <christoph.paasch@...ouvain.be>
---
 include/uapi/linux/tcp_metrics.h | 2 ++
 net/ipv4/tcp_metrics.c           | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/include/uapi/linux/tcp_metrics.h b/include/uapi/linux/tcp_metrics.h
index cb5157b55f32..54a37b13f2c4 100644
--- a/include/uapi/linux/tcp_metrics.h
+++ b/include/uapi/linux/tcp_metrics.h
@@ -35,6 +35,8 @@ enum {
 	TCP_METRICS_ATTR_FOPEN_SYN_DROPS,	/* u16, count of drops */
 	TCP_METRICS_ATTR_FOPEN_SYN_DROP_TS,	/* msecs age */
 	TCP_METRICS_ATTR_FOPEN_COOKIE,		/* binary */
+	TCP_METRICS_ATTR_SADDR_IPV4,		/* u32 */
+	TCP_METRICS_ATTR_SADDR_IPV6,		/* binary */
 
 	__TCP_METRICS_ATTR_MAX,
 };
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 8d544bb475dc..e150f264c8e2 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -745,11 +745,17 @@ static int tcp_metrics_fill_info(struct sk_buff *msg,
 		if (nla_put_be32(msg, TCP_METRICS_ATTR_ADDR_IPV4,
 				tm->tcpm_daddr.addr.a4) < 0)
 			goto nla_put_failure;
+		if (nla_put_be32(msg, TCP_METRICS_ATTR_SADDR_IPV4,
+				tm->tcpm_saddr.addr.a4) < 0)
+			goto nla_put_failure;
 		break;
 	case AF_INET6:
 		if (nla_put(msg, TCP_METRICS_ATTR_ADDR_IPV6, 16,
 			    tm->tcpm_daddr.addr.a6) < 0)
 			goto nla_put_failure;
+		if (nla_put(msg, TCP_METRICS_ATTR_SADDR_IPV6, 16,
+			    tm->tcpm_saddr.addr.a6) < 0)
+			goto nla_put_failure;
 		break;
 	default:
 		return -EAFNOSUPPORT;
-- 
1.8.3.2

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