[Qemu-devel] [PATCH V3 01/10] net: Add vnet_hdr_len related callback in NetClientInfo

[Zhang Chen]

Add get_vnet_hdr_len and get_using_vnet_hdr callback
that make we get vnet_hdr_len easily.

Signed-off-by: Zhang Chen <zhangchen.f...@cn.fujitsu.com>
---
 include/net/net.h |  6 ++++++
 net/net.c         | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/include/net/net.h b/include/net/net.h
index 99b28d5..402d913 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -57,7 +57,9 @@ typedef RxFilterInfo *(QueryRxFilter)(NetClientState *);
 typedef bool (HasUfo)(NetClientState *);
 typedef bool (HasVnetHdr)(NetClientState *);
 typedef bool (HasVnetHdrLen)(NetClientState *, int);
+typedef int (GetVnetHdrLen)(NetClientState *);
 typedef void (UsingVnetHdr)(NetClientState *, bool);
+typedef bool (GetUsingVnetHdr)(NetClientState *);
 typedef void (SetOffload)(NetClientState *, int, int, int, int, int);
 typedef void (SetVnetHdrLen)(NetClientState *, int);
 typedef int (SetVnetLE)(NetClientState *, bool);
@@ -79,7 +81,9 @@ typedef struct NetClientInfo {
     HasUfo *has_ufo;
     HasVnetHdr *has_vnet_hdr;
     HasVnetHdrLen *has_vnet_hdr_len;
+    GetVnetHdrLen *get_vnet_hdr_len;
     UsingVnetHdr *using_vnet_hdr;
+    GetUsingVnetHdr *get_using_vnet_hdr;
     SetOffload *set_offload;
     SetVnetHdrLen *set_vnet_hdr_len;
     SetVnetLE *set_vnet_le;
@@ -155,7 +159,9 @@ void qemu_format_nic_info_str(NetClientState *nc, uint8_t 
macaddr[6]);
 bool qemu_has_ufo(NetClientState *nc);
 bool qemu_has_vnet_hdr(NetClientState *nc);
 bool qemu_has_vnet_hdr_len(NetClientState *nc, int len);
+int qemu_get_vnet_hdr_len(NetClientState *nc);
 void qemu_using_vnet_hdr(NetClientState *nc, bool enable);
+bool qemu_get_using_vnet_hdr(NetClientState *nc);
 void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
                       int ecn, int ufo);
 void qemu_set_vnet_hdr_len(NetClientState *nc, int len);
diff --git a/net/net.c b/net/net.c
index 0ac3b9e..f69260f 100644
--- a/net/net.c
+++ b/net/net.c
@@ -466,6 +466,15 @@ bool qemu_has_vnet_hdr_len(NetClientState *nc, int len)
     return nc->info->has_vnet_hdr_len(nc, len);
 }
 
+int qemu_get_vnet_hdr_len(NetClientState *nc)
+{
+    if (!nc || !nc->info->get_vnet_hdr_len) {
+        return false;
+    }
+
+    return nc->info->get_vnet_hdr_len(nc);
+}
+
 void qemu_using_vnet_hdr(NetClientState *nc, bool enable)
 {
     if (!nc || !nc->info->using_vnet_hdr) {
@@ -475,6 +484,15 @@ void qemu_using_vnet_hdr(NetClientState *nc, bool enable)
     nc->info->using_vnet_hdr(nc, enable);
 }
 
+bool qemu_get_using_vnet_hdr(NetClientState *nc)
+{
+    if (!nc || !nc->info->get_using_vnet_hdr) {
+        return false;
+    }
+
+    return nc->info->get_using_vnet_hdr(nc);
+}
+
 void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
                           int ecn, int ufo)
 {
-- 
2.7.4