D38499.diff
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	diff --git a/sys/net/if.c b/sys/net/if.c
	--- a/sys/net/if.c
	+++ b/sys/net/if.c
	@@ -3964,7 +3964,6 @@
	static int
	if_requestencap_default(struct ifnet ifp, struct if_encap_req req)
	{
	-
	if (req->rtype != IFENCAP_LL)
	return (EOPNOTSUPP);

	@@ -4034,7 +4033,6 @@
	int
	if_gethwaddr(struct ifnet ifp, struct ifreq ifr)
	{
	-
	if (ifp->if_hw_addr == NULL)
	return (ENODEV);

	@@ -4121,7 +4119,6 @@
	static void
	if_input_default(struct ifnet ifp __unused, struct mbuf m)
	{
	-
	m_freem(m);
	}

	@@ -4198,47 +4195,42 @@
	uint64_t
	if_getbaudrate(const if_t ifp)
	{
	-
	- return (((struct ifnet *)ifp)->if_baudrate);
	+ return (ifp->if_baudrate);
	}

	int
	if_setcapabilities(if_t ifp, int capabilities)
	{
	- ((struct ifnet *)ifp)->if_capabilities = capabilities;
	+ ifp->if_capabilities = capabilities;
	return (0);
	}

	int
	if_setcapabilitiesbit(if_t ifp, int setbit, int clearbit)
	{
	- ((struct ifnet *)ifp)->if_capabilities &= ~clearbit;
	- ((struct ifnet *)ifp)->if_capabilities \|= setbit;
	-
	+ ifp->if_capabilities &= ~clearbit;
	+ ifp->if_capabilities \|= setbit;
	return (0);
	}

	int
	if_getcapabilities(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_capabilities;
	+ return (ifp->if_capabilities);
	}

	int
	if_setcapenable(if_t ifp, int capabilities)
	{
	- ((struct ifnet *)ifp)->if_capenable = capabilities;
	+ ifp->if_capenable = capabilities;
	return (0);
	}

	int
	if_setcapenablebit(if_t ifp, int setcap, int clearcap)
	{
	- if(clearcap)
	- ((struct ifnet *)ifp)->if_capenable &= ~clearcap;
	- if(setcap)
	- ((struct ifnet *)ifp)->if_capenable \|= setcap;
	-
	+ ifp->if_capenable &= ~clearcap;
	+ ifp->if_capenable \|= setcap;
	return (0);
	}

	@@ -4281,19 +4273,19 @@
	const char *
	if_getdname(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_dname;
	+ return (ifp->if_dname);
	}

	void
	if_setdname(if_t ifp, const char *dname)
	{
	- ((struct ifnet *)ifp)->if_dname = dname;
	+ ifp->if_dname = dname;
	}

	const char *
	if_name(if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_xname;
	+ return (ifp->if_xname);
	}

	int
	@@ -4301,7 +4293,7 @@
	{
	if (strlen(name) > sizeof(ifp->if_xname) - 1)
	return (ENAMETOOLONG);
	- strlcpy(ifp->if_xname, name, sizeof(ifp->if_xname));
	+ strcpy(ifp->if_xname, name);

	return (0);
	}
	@@ -4309,14 +4301,14 @@
	int
	if_togglecapenable(if_t ifp, int togglecap)
	{
	- ((struct ifnet *)ifp)->if_capenable ^= togglecap;
	+ ifp->if_capenable ^= togglecap;
	return (0);
	}

	int
	if_getcapenable(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_capenable;
	+ return (ifp->if_capenable);
	}

	int
	@@ -4335,13 +4327,13 @@
	int
	if_getdunit(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_dunit;
	+ return (ifp->if_dunit);
	}

	int
	if_getindex(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_index;
	+ return (ifp->if_index);
	}

	int
	@@ -4377,7 +4369,7 @@
	int
	if_getalloctype(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_alloctype;
	+ return (ifp->if_alloctype);
	}

	/*
	@@ -4395,8 +4387,8 @@
	int
	if_setdrvflagbits(if_t ifp, int set_flags, int clear_flags)
	{
	- ((struct ifnet *)ifp)->if_drv_flags &= ~clear_flags;
	- ((struct ifnet *)ifp)->if_drv_flags \|= set_flags;
	+ ifp->if_drv_flags &= ~clear_flags;
	+ ifp->if_drv_flags \|= set_flags;

	return (0);
	}
	@@ -4404,20 +4396,19 @@
	int
	if_getdrvflags(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_drv_flags;
	+ return (ifp->if_drv_flags);
	}

	int
	if_setdrvflags(if_t ifp, int flags)
	{
	- ((struct ifnet *)ifp)->if_drv_flags = flags;
	+ ifp->if_drv_flags = flags;
	return (0);
	}

	int
	if_setflags(if_t ifp, int flags)
	{
	-
	ifp->if_flags = flags;
	return (0);
	}
	@@ -4425,30 +4416,29 @@
	int
	if_setflagbits(if_t ifp, int set, int clear)
	{
	- ((struct ifnet *)ifp)->if_flags &= ~clear;
	- ((struct ifnet *)ifp)->if_flags \|= set;
	-
	+ ifp->if_flags &= ~clear;
	+ ifp->if_flags \|= set;
	return (0);
	}

	int
	if_getflags(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_flags;
	+ return (ifp->if_flags);
	}

	int
	if_clearhwassist(if_t ifp)
	{
	- ((struct ifnet *)ifp)->if_hwassist = 0;
	+ ifp->if_hwassist = 0;
	return (0);
	}

	int
	if_sethwassistbits(if_t ifp, int toset, int toclear)
	{
	- ((struct ifnet *)ifp)->if_hwassist &= ~toclear;
	- ((struct ifnet *)ifp)->if_hwassist \|= toset;
	+ ifp->if_hwassist &= ~toclear;
	+ ifp->if_hwassist \|= toset;

	return (0);
	}
	@@ -4456,34 +4446,34 @@
	int
	if_sethwassist(if_t ifp, int hwassist_bit)
	{
	- ((struct ifnet *)ifp)->if_hwassist = hwassist_bit;
	+ ifp->if_hwassist = hwassist_bit;
	return (0);
	}

	int
	if_gethwassist(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_hwassist;
	+ return (ifp->if_hwassist);
	}

	int
	if_togglehwassist(if_t ifp, int toggle_bits)
	{
	- ((struct ifnet *)ifp)->if_hwassist ^= toggle_bits;
	+ ifp->if_hwassist ^= toggle_bits;
	return (0);
	}

	int
	if_setmtu(if_t ifp, int mtu)
	{
	- ((struct ifnet *)ifp)->if_mtu = mtu;
	+ ifp->if_mtu = mtu;
	return (0);
	}

	int
	if_getmtu(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_mtu;
	+ return (ifp->if_mtu);
	}

	int
	@@ -4493,10 +4483,10 @@

	SLIST_FOREACH(dp, &domains, dom_next) {
	if (dp->dom_family == family && dp->dom_ifmtu != NULL)
	- return (dp->dom_ifmtu((struct ifnet *)ifp));
	+ return (dp->dom_ifmtu(ifp));
	}

	- return (((struct ifnet *)ifp)->if_mtu);
	+ return (ifp->if_mtu);
	}

	/*
	@@ -4625,14 +4615,14 @@
	int
	if_setsoftc(if_t ifp, void *softc)
	{
	- ((struct ifnet *)ifp)->if_softc = softc;
	+ ifp->if_softc = softc;
	return (0);
	}

	void *
	if_getsoftc(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_softc;
	+ return (ifp->if_softc);
	}

	void
	@@ -4652,41 +4642,39 @@
	uint16_t
	if_getvtag(struct mbuf *m)
	{
	-
	return (m->m_pkthdr.ether_vtag);
	}

	int
	if_sendq_empty(if_t ifp)
	{
	- return IFQ_DRV_IS_EMPTY(&((struct ifnet *)ifp)->if_snd);
	+ return (IFQ_DRV_IS_EMPTY(&ifp->if_snd));
	}

	struct ifaddr *
	if_getifaddr(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_addr;
	+ return (ifp->if_addr);
	}

	int
	if_getamcount(const if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_amcount;
	+ return (ifp->if_amcount);
	}

	int
	if_setsendqready(if_t ifp)
	{
	- IFQ_SET_READY(&((struct ifnet *)ifp)->if_snd);
	+ IFQ_SET_READY(&ifp->if_snd);
	return (0);
	}

	int
	if_setsendqlen(if_t ifp, int tx_desc_count)
	{
	- IFQ_SET_MAXLEN(&((struct ifnet *)ifp)->if_snd, tx_desc_count);
	- ((struct ifnet *)ifp)->if_snd.ifq_drv_maxlen = tx_desc_count;
	-
	+ IFQ_SET_MAXLEN(&ifp->if_snd, tx_desc_count);
	+ ifp->if_snd.ifq_drv_maxlen = tx_desc_count;
	return (0);
	}

	@@ -4705,29 +4693,25 @@
	int
	if_vlantrunkinuse(if_t ifp)
	{
	- return ((struct ifnet *)ifp)->if_vlantrunk != NULL?1:0;
	+ return (ifp->if_vlantrunk != NULL);
	}

	-int
	+void
	if_init(if_t ifp, void *ctx)
	{
	- (((struct ifnet )ifp)->if_init)(ctx);
	- return (0);
	+ (*ifp->if_init)(ctx);
	}

	-int
	+void
	if_input(if_t ifp, struct mbuf* sendmp)
	{
	- (((struct ifnet )ifp)->if_input)((struct ifnet *)ifp, sendmp);
	- return (0);
	-
	+ (*ifp->if_input)(ifp, sendmp);
	}

	int
	if_transmit(if_t ifp, struct mbuf *m)
	{
	- (((struct ifnet )ifp)->if_transmit)((struct ifnet *)ifp, m);
	- return (0);
	+ return ((*ifp->if_transmit)(ifp, m));
	}

	int
	@@ -4743,29 +4727,29 @@
	if_dequeue(if_t ifp)
	{
	struct mbuf *m;
	- IFQ_DRV_DEQUEUE(&((struct ifnet *)ifp)->if_snd, m);

	+ IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
	return (m);
	}

	int
	if_sendq_prepend(if_t ifp, struct mbuf *m)
	{
	- IFQ_DRV_PREPEND(&((struct ifnet *)ifp)->if_snd, m);
	+ IFQ_DRV_PREPEND(&ifp->if_snd, m);
	return (0);
	}

	int
	if_setifheaderlen(if_t ifp, int len)
	{
	- ((struct ifnet *)ifp)->if_hdrlen = len;
	+ ifp->if_hdrlen = len;
	return (0);
	}

	caddr_t
	if_getlladdr(const if_t ifp)
	{
	- return (IF_LLADDR((struct ifnet *)ifp));
	+ return (IF_LLADDR(ifp));
	}

	void *
	@@ -4775,83 +4759,72 @@
	}

	void
	-if_bpfmtap(if_t ifh, struct mbuf *m)
	+if_bpfmtap(if_t ifp, struct mbuf *m)
	{
	- struct ifnet ifp = (struct ifnet )ifh;
	-
	BPF_MTAP(ifp, m);
	}

	void
	-if_etherbpfmtap(if_t ifh, struct mbuf *m)
	+if_etherbpfmtap(if_t ifp, struct mbuf *m)
	{
	- struct ifnet ifp = (struct ifnet )ifh;
	-
	ETHER_BPF_MTAP(ifp, m);
	}

	void
	-if_vlancap(if_t ifh)
	+if_vlancap(if_t ifp)
	{
	- struct ifnet ifp = (struct ifnet )ifh;
	VLAN_CAPABILITIES(ifp);
	}

	int
	if_sethwtsomax(if_t ifp, u_int if_hw_tsomax)
	{
	-
	- ((struct ifnet *)ifp)->if_hw_tsomax = if_hw_tsomax;
	+ ifp->if_hw_tsomax = if_hw_tsomax;
	return (0);
	}

	int
	if_sethwtsomaxsegcount(if_t ifp, u_int if_hw_tsomaxsegcount)
	{
	-
	- ((struct ifnet *)ifp)->if_hw_tsomaxsegcount = if_hw_tsomaxsegcount;
	+ ifp->if_hw_tsomaxsegcount = if_hw_tsomaxsegcount;
	return (0);
	}

	int
	if_sethwtsomaxsegsize(if_t ifp, u_int if_hw_tsomaxsegsize)
	{
	-
	- ((struct ifnet *)ifp)->if_hw_tsomaxsegsize = if_hw_tsomaxsegsize;
	+ ifp->if_hw_tsomaxsegsize = if_hw_tsomaxsegsize;
	return (0);
	}

	u_int
	if_gethwtsomax(const if_t ifp)
	{
	-
	- return (((struct ifnet *)ifp)->if_hw_tsomax);
	+ return (ifp->if_hw_tsomax);
	}

	u_int
	if_gethwtsomaxsegcount(const if_t ifp)
	{
	-
	- return (((struct ifnet *)ifp)->if_hw_tsomaxsegcount);
	+ return (ifp->if_hw_tsomaxsegcount);
	}

	u_int
	if_gethwtsomaxsegsize(const if_t ifp)
	{
	-
	- return (((struct ifnet *)ifp)->if_hw_tsomaxsegsize);
	+ return (ifp->if_hw_tsomaxsegsize);
	}

	void
	if_setinitfn(if_t ifp, if_init_fn_t init_fn)
	{
	- ((struct ifnet *)ifp)->if_init = init_fn;
	+ ifp->if_init = init_fn;
	}

	void
	if_setinputfn(if_t ifp, if_input_fn_t input_fn)
	{
	- ((struct ifnet *)ifp)->if_input = input_fn;
	+ ifp->if_input = input_fn;
	}

	if_input_fn_t
	@@ -4863,19 +4836,19 @@
	void
	if_setioctlfn(if_t ifp, if_ioctl_fn_t ioctl_fn)
	{
	- ((struct ifnet )ifp)->if_ioctl = (void )ioctl_fn;
	+ ifp->if_ioctl = ioctl_fn;
	}

	void
	if_setoutputfn(if_t ifp, if_output_fn_t output_fn)
	{
	- ((struct ifnet *)ifp)->if_output = output_fn;
	+ ifp->if_output = output_fn;
	}

	void
	if_setstartfn(if_t ifp, if_start_fn_t start_fn)
	{
	- ((struct ifnet )ifp)->if_start = (void )start_fn;
	+ ifp->if_start = start_fn;
	}

	if_start_fn_t
	@@ -4887,7 +4860,7 @@
	void
	if_settransmitfn(if_t ifp, if_transmit_fn_t start_fn)
	{
	- ((struct ifnet *)ifp)->if_transmit = start_fn;
	+ ifp->if_transmit = start_fn;
	}

	if_transmit_fn_t
	@@ -4899,21 +4872,19 @@
	void
	if_setqflushfn(if_t ifp, if_qflush_fn_t flush_fn)
	{
	- ((struct ifnet *)ifp)->if_qflush = flush_fn;
	-
	+ ifp->if_qflush = flush_fn;
	}

	void
	if_setsndtagallocfn(if_t ifp, if_snd_tag_alloc_t alloc_fn)
	{
	- ((struct ifnet *)ifp)->if_snd_tag_alloc = alloc_fn;
	+ ifp->if_snd_tag_alloc = alloc_fn;
	}

	int
	-if_snd_tag_alloc(struct ifnet ifp, union if_snd_tag_alloc_params params,
	+if_snd_tag_alloc(if_t ifp, union if_snd_tag_alloc_params *params,
	struct m_snd_tag **mstp)
	{
	-
	if (ifp->if_snd_tag_alloc == NULL)
	return (EOPNOTSUPP);
	return (ifp->if_snd_tag_alloc(ifp, params, mstp));
	@@ -4922,7 +4893,6 @@
	void
	if_setgetcounterfn(if_t ifp, if_get_counter_t fn)
	{
	-
	ifp->if_get_counter = fn;
	}

	@@ -5062,7 +5032,6 @@
	static void
	if_show_ifnet(struct ifnet *ifp)
	{
	-
	if (ifp == NULL)
	return;
	db_printf("%s:\n", ifp->if_xname);
	@@ -5112,7 +5081,6 @@

	DB_SHOW_COMMAND(ifnet, db_show_ifnet)
	{
	-
	if (!have_addr) {
	db_printf("usage: show ifnet <struct ifnet *>\n");
	return;
	diff --git a/sys/net/if_var.h b/sys/net/if_var.h
	--- a/sys/net/if_var.h
	+++ b/sys/net/if_var.h
	@@ -633,7 +633,7 @@
	u_int if_gethwtsomaxsegsize(const if_t ifp);
	void if_setnetmapadapter(if_t ifp, struct netmap_adapter *na);
	struct netmap_adapter *if_getnetmapadapter(if_t ifp);
	-int if_input(if_t ifp, struct mbuf* sendmp);
	+void if_input(if_t ifp, struct mbuf* sendmp);
	int if_sendq_prepend(if_t ifp, struct mbuf *m);
	struct mbuf *if_dequeue(if_t ifp);
	int if_setifheaderlen(if_t ifp, int len);
	@@ -648,7 +648,7 @@
	void if_etherbpfmtap(if_t ifp, struct mbuf *m);
	void if_vlancap(if_t ifp);
	int if_transmit(if_t ifp, struct mbuf *m);
	-int if_init(if_t ifp, void *ctx);
	+void if_init(if_t ifp, void *ctx);
	int if_resolvemulti(if_t ifp, struct sockaddr *, struct sockaddr );
	uint64_t if_getcounter(if_t ifp, ift_counter counter);
	struct label *if_getmaclabel(if_t ifp);

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