[PATCH 14/15] iscsi_transport: ping support via BSG

[Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>]

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
Signed-off-by: Ravi Anand <ravi.anand@xxxxxxxxxx>
---
 include/scsi/scsi_bsg_iscsi.h |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/include/scsi/scsi_bsg_iscsi.h b/include/scsi/scsi_bsg_iscsi.h
index f454eca..93a80a3 100644
--- a/include/scsi/scsi_bsg_iscsi.h
+++ b/include/scsi/scsi_bsg_iscsi.h
@@ -46,6 +46,7 @@
 
        /* iscsi host Message Codes */
 #define ISCSI_BSG_HST_NET_CONFIG	(ISCSI_BSG_HST_MASK | 0x00000001)
+#define ISCSI_BSG_HST_PING		(ISCSI_BSG_HST_MASK | 0x00000002)
 #define ISCSI_BSG_HST_VENDOR		(ISCSI_BSG_HST_MASK | 0x000000FF)
 
 #define ISCSI_SET_IP_ADDR              1
@@ -61,6 +62,15 @@
  * iSCSI Host Messages
  */
 
+struct iscsi_bsg_host_ping {
+	uint32_t	ip_type; /* IPv4 or IPv6 */
+#define ISCSI_PING_IPV4		0x00000000
+#define ISCSI_PING_IPV6		0x00000001
+	uint32_t	ip_address[4];
+	uint32_t	payload_size;
+	uint8_t		payload[0];
+};
+
 struct ip_address_subnet_format {
 	u16 sizeofstructure;
 	u8  iptype;
@@ -220,6 +230,7 @@ struct iscsi_bsg_request {
 	uint32_t msgcode;
 	union {
 		struct iscsi_bsg_host_net_config        h_netconfig;
+		struct iscsi_bsg_host_ping		h_ping;
 		struct iscsi_bsg_host_vendor            h_vendor;
 	} rqst_data;
 } __attribute__((packed));
-- 
1.7.0.5

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