[PATCH 19/31] hw/net/net_tx_pkt: Introduce net_tx_pkt_get_eth_hdr

[Akihiko Odaki]

Expose the ethernet header so that igb can utilize it to perform the
internal routing among its SR-IOV functions.

Signed-off-by: Gal Hammer <gal.hammer@sap.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 hw/net/net_tx_pkt.c | 6 ++++++
 hw/net/net_tx_pkt.h | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/hw/net/net_tx_pkt.c b/hw/net/net_tx_pkt.c
index 1cb1125d9f..4bffa1523d 100644
--- a/hw/net/net_tx_pkt.c
+++ b/hw/net/net_tx_pkt.c
@@ -278,6 +278,12 @@ bool net_tx_pkt_parse(struct NetTxPkt *pkt)
     }
 }
 
+struct eth_header *net_tx_pkt_get_eth_hdr(struct NetTxPkt *pkt)
+{
+    assert(pkt);
+    return (struct eth_header *)&pkt->l2_hdr;
+}
+
 struct virtio_net_hdr *net_tx_pkt_get_vhdr(struct NetTxPkt *pkt)
 {
     assert(pkt);
diff --git a/hw/net/net_tx_pkt.h b/hw/net/net_tx_pkt.h
index 4ec8bbe9bd..4e70453c12 100644
--- a/hw/net/net_tx_pkt.h
+++ b/hw/net/net_tx_pkt.h
@@ -44,6 +44,14 @@ void net_tx_pkt_init(struct NetTxPkt **pkt, PCIDevice 
*pci_dev,
  */
 void net_tx_pkt_uninit(struct NetTxPkt *pkt);
 
+/**
+ * get ethernet header
+ *
+ * @pkt:            packet
+ * @ret:            ethernet header
+ */
+struct eth_header *net_tx_pkt_get_eth_hdr(struct NetTxPkt *pkt);
+
 /**
  * get virtio header
  *
-- 
2.39.0