Date: Wed, 14 Sep 2016 09:17:00 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r305801 - head/sys/dev/hyperv/netvsc Message-ID: <201609140917.u8E9H0o7038225@repo.freebsd.org>
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Author: sephe Date: Wed Sep 14 09:17:00 2016 New Revision: 305801 URL: https://svnweb.freebsd.org/changeset/base/305801 Log: hyperv/hn: Fix some ifnet settings - ifnet.if_mtu does not require explicit setting. - ifnet.if_hdrlen must be set after ether_ifattach(). MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7873 Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Wed Sep 14 09:13:17 2016 (r305800) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Wed Sep 14 09:17:00 2016 (r305801) @@ -536,7 +536,6 @@ netvsc_attach(device_t dev) ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_ioctl = hn_ioctl; ifp->if_init = hn_init; - ifp->if_mtu = ETHERMTU; if (hn_use_if_start) { int qdepth = hn_get_txswq_depth(&sc->hn_tx_ring[0]); @@ -558,7 +557,6 @@ netvsc_attach(device_t dev) /* * Tell upper layers that we support full VLAN capability. */ - ifp->if_hdrlen = sizeof(struct ether_vlan_header); ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_HWCSUM | IFCAP_TSO | IFCAP_LRO; @@ -600,6 +598,9 @@ netvsc_attach(device_t dev) if_printf(ifp, "TSO: %u/%u/%u\n", ifp->if_hw_tsomax, ifp->if_hw_tsomaxsegcount, ifp->if_hw_tsomaxsegsize); + /* Inform the upper layer about the long frame support. */ + ifp->if_hdrlen = sizeof(struct ether_vlan_header); + hn_set_chim_size(sc, sc->hn_chim_szmax); if (hn_tx_chimney_size > 0 && hn_tx_chimney_size < sc->hn_chim_szmax)
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