Date: Tue, 21 Aug 2018 14:28:27 -0700 From: Navdeep Parhar <np@FreeBSD.org> To: Gleb Smirnoff <glebius@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r337932 - in head/sys: net netinet Message-ID: <1e809525-77bd-19e2-6908-a984c3414aed@FreeBSD.org> In-Reply-To: <20180821212628.GN27633@FreeBSD.org> References: <201808162346.w7GNkc2p006822@repo.freebsd.org> <20180821212628.GN27633@FreeBSD.org>
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On 8/21/18 2:26 PM, Gleb Smirnoff wrote: > Navdeep, > > On Thu, Aug 16, 2018 at 11:46:38PM +0000, Navdeep Parhar wrote: > N> Author: np > N> Date: Thu Aug 16 23:46:38 2018 > N> New Revision: 337932 > N> URL: https://svnweb.freebsd.org/changeset/base/337932 > N> > N> Log: > N> Add the ability to look up the 3b PCP of a VLAN interface. Use it in > N> toe_l2_resolve to fill up the complete vtag and not just the vid. > N> > N> Reviewed by: kib@ > N> MFC after: 1 week > N> Sponsored by: Chelsio Communications > N> Differential Revision: https://reviews.freebsd.org/D16752 > ... > N> +static int > N> +vlan_pcp(struct ifnet *ifp, uint16_t *pcpp) > N> +{ > N> + struct ifvlan *ifv; > N> + > N> + if (ifp->if_type != IFT_L2VLAN) > N> + return (EINVAL); > N> + ifv = ifp->if_softc; > N> + *pcpp = ifv->ifv_pcp; > N> + return (0); > N> +} > > Is there any good reason not to assert that ifp->if_type == IFT_L2VLAN? > I can't think of any. But I wrote it this way to match the vlan_tag() function a few lines above. Regards, Navdeep
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