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Subject: socsvn commit: r303684 - soc2016/vincenzo/head/sys/dev/netmap
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Author: vincenzo
Date: Mon May 23 13:37:38 2016
New Revision: 303684
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=303684

Log:
  ptnet: attach: allocate ethernet interface data structure
  
  The if_alloc() function is called to allocate an Ethernet
  interface to represent the ptnet device. Although ptnet
  does not have a link speed, we assume 10 Gbps.

Modified:
  soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c

Modified: soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c
==============================================================================
--- soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c	Mon May 23 13:33:35 2016	(r303683)
+++ soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c	Mon May 23 13:37:38 2016	(r303684)
@@ -85,7 +85,8 @@
 #include <dev/netmap/netmap_mem2.h>
 
 struct ptnet_softc {
-    struct ifnet *ifp;
+	device_t dev;
+	struct ifnet *ifp;
 };
 
 static int	ptnet_probe(device_t);
@@ -135,11 +136,28 @@
 ptnet_attach(device_t dev)
 {
 	struct ptnet_softc *sc;
+	struct ifnet *ifp;
 
 	printf("%s\n", __func__);
 
 	sc = device_get_softc(dev);
-	sc->ifp = NULL;
+	sc->dev = dev;
+	sc->ifp = ifp = if_alloc(IFT_ETHER);
+	if (ifp == NULL) {
+		device_printf(dev, "Failed to allocate ifnet\n");
+		return (ENOMEM);
+	}
+
+	if_initname(ifp, device_get_name(dev), device_get_unit(dev));
+	if_initbaudrate(ifp, IF_Gbps(10));
+	ifp->if_softc = sc;
+	ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX;
+	ifp->if_init = NULL;
+	ifp->if_start = NULL;
+
+	IFQ_SET_MAXLEN(&ifp->if_snd, 255);
+	ifp->if_snd.ifq_drv_maxlen = 255;
+	IFQ_SET_READY(&ifp->if_snd);
 
 	return (0);
 }