linux-kernel - [PATCH 08/17] Tools: hv: Gather subnet information

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Message-Id: <1343145701-3691-8-git-send-email-kys@microsoft.com>
Date:	Tue, 24 Jul 2012 09:01:32 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org,
	olaf@...fle.de, apw@...onical.com, netdev@...r.kernel.org,
	ben@...adent.org.uk
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>
Subject: [PATCH 08/17] Tools: hv: Gather subnet information

Now gather sub-net information for the specified interface.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com>
---
 tools/hv/hv_kvp_daemon.c |   31 +++++++++++++++++++++++++++++--
 1 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 79eb130..2c24ebf 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -534,6 +534,7 @@ kvp_get_ip_address(int family, char *if_name, int op,
 	struct ifaddrs *ifap;
 	struct ifaddrs *curp;
 	int offset = 0;
+	int sn_offset = 0;
 	const char *str;
 	int error = 0;
 	char *buffer;
@@ -594,12 +595,38 @@ kvp_get_ip_address(int family, char *if_name, int op,
 			 * Gather info other than the IP address.
 			 * IP address info will be gathered later.
 			 */
-			if (curp->ifa_addr->sa_family == AF_INET)
+			if (curp->ifa_addr->sa_family == AF_INET) {
 				ip_buffer->addr_family |= ADDR_FAMILY_IPV4;
-			else
+				/*
+				 * Get subnet info.
+				 */
+				error = kvp_process_ip_address(
+							curp->ifa_netmask,
+							AF_INET,
+							(char *)
+							ip_buffer->sub_net,
+							length,
+							&sn_offset);
+				if (error)
+					goto gather_ipaddr;
+			} else {
 				ip_buffer->addr_family |= ADDR_FAMILY_IPV6;
+				/*
+				 * Get subnet info.
+				 */
+				error = kvp_process_ip_address(
+							curp->ifa_netmask,
+							AF_INET6,
+							(char *)
+							ip_buffer->sub_net,
+							length,
+							&sn_offset);
+				if (error)
+					goto gather_ipaddr;
+			}
 		}
 
+gather_ipaddr:
 		error = kvp_process_ip_address(curp->ifa_addr,
 						curp->ifa_addr->sa_family,
 						buffer,
-- 
1.7.4.1

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