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Date: Sat, 22 Oct 2011 13:38:47 +0800
From: Jason Wang <jasowang@...hat.com>
To: aliguori@...ibm.com, quintela@...hat.com, jan.kiszka@...mens.com,
mst@...hat.com, qemu-devel@...gnu.org, blauwirbel@...il.com
Cc: pbonzini@...hat.com, rusty@...tcorp.com.au, kvm@...r.kernel.org,
netdev@...r.kernel.org
Subject: [RFC v2 PATCH 2/4] net: export announce_self_create()
Export and move announce_self_create() to net.c in order to be used by model
specific announcing function.
Signed-off-by: Jason Wang <jasowang@...hat.com>
---
net.c | 31 +++++++++++++++++++++++++++++++
net.h | 1 +
savevm.c | 32 --------------------------------
3 files changed, 32 insertions(+), 32 deletions(-)
diff --git a/net.c b/net.c
index d05930c..516ff9e 100644
--- a/net.c
+++ b/net.c
@@ -42,6 +42,37 @@ static QTAILQ_HEAD(, VLANClientState) non_vlan_clients;
int default_net = 1;
+#ifndef ETH_P_RARP
+#define ETH_P_RARP 0x8035
+#endif
+#define ARP_HTYPE_ETH 0x0001
+#define ARP_PTYPE_IP 0x0800
+#define ARP_OP_REQUEST_REV 0x3
+
+int announce_self_create(uint8_t *buf, uint8_t *mac_addr)
+{
+ /* Ethernet header. */
+ memset(buf, 0xff, 6); /* destination MAC addr */
+ memcpy(buf + 6, mac_addr, 6); /* source MAC addr */
+ *(uint16_t *)(buf + 12) = htons(ETH_P_RARP); /* ethertype */
+
+ /* RARP header. */
+ *(uint16_t *)(buf + 14) = htons(ARP_HTYPE_ETH); /* hardware addr space */
+ *(uint16_t *)(buf + 16) = htons(ARP_PTYPE_IP); /* protocol addr space */
+ *(buf + 18) = 6; /* hardware addr length (ethernet) */
+ *(buf + 19) = 4; /* protocol addr length (IPv4) */
+ *(uint16_t *)(buf + 20) = htons(ARP_OP_REQUEST_REV); /* opcode */
+ memcpy(buf + 22, mac_addr, 6); /* source hw addr */
+ memset(buf + 28, 0x00, 4); /* source protocol addr */
+ memcpy(buf + 32, mac_addr, 6); /* target hw addr */
+ memset(buf + 38, 0x00, 4); /* target protocol addr */
+
+ /* Padding to get up to 60 bytes (ethernet min packet size, minus FCS). */
+ memset(buf + 42, 0x00, 18);
+
+ return 60; /* len (FCS will be added by hardware) */
+}
+
/***********************************************************/
/* network device redirectors */
diff --git a/net.h b/net.h
index 9f633f8..4943d4b 100644
--- a/net.h
+++ b/net.h
@@ -178,5 +178,6 @@ int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
int net_handle_fd_param(Monitor *mon, const char *param);
+int announce_self_create(uint8_t *buf, uint8_t *mac_addr);
#endif
diff --git a/savevm.c b/savevm.c
index bf4d0e7..8293ee6 100644
--- a/savevm.c
+++ b/savevm.c
@@ -85,38 +85,6 @@
#define SELF_ANNOUNCE_ROUNDS 5
-#ifndef ETH_P_RARP
-#define ETH_P_RARP 0x8035
-#endif
-#define ARP_HTYPE_ETH 0x0001
-#define ARP_PTYPE_IP 0x0800
-#define ARP_OP_REQUEST_REV 0x3
-
-static int announce_self_create(uint8_t *buf,
- uint8_t *mac_addr)
-{
- /* Ethernet header. */
- memset(buf, 0xff, 6); /* destination MAC addr */
- memcpy(buf + 6, mac_addr, 6); /* source MAC addr */
- *(uint16_t *)(buf + 12) = htons(ETH_P_RARP); /* ethertype */
-
- /* RARP header. */
- *(uint16_t *)(buf + 14) = htons(ARP_HTYPE_ETH); /* hardware addr space */
- *(uint16_t *)(buf + 16) = htons(ARP_PTYPE_IP); /* protocol addr space */
- *(buf + 18) = 6; /* hardware addr length (ethernet) */
- *(buf + 19) = 4; /* protocol addr length (IPv4) */
- *(uint16_t *)(buf + 20) = htons(ARP_OP_REQUEST_REV); /* opcode */
- memcpy(buf + 22, mac_addr, 6); /* source hw addr */
- memset(buf + 28, 0x00, 4); /* source protocol addr */
- memcpy(buf + 32, mac_addr, 6); /* target hw addr */
- memset(buf + 38, 0x00, 4); /* target protocol addr */
-
- /* Padding to get up to 60 bytes (ethernet min packet size, minus FCS). */
- memset(buf + 42, 0x00, 18);
-
- return 60; /* len (FCS will be added by hardware) */
-}
-
static void qemu_announce_self_iter(NICState *nic, void *opaque)
{
uint8_t buf[60];
--
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