DrvAPI: Extend driver KPI with more accessors
Summary: Add the following accessors to hide some more netstack details: * if_get/setcapabilities2 and *bits analogue * if_setdname * if_getxname * if_transmit - wrapper for call to ifp->if_transmit() - This required changing the existing if_transmit to if_transmit_default, since that's its purpose. * if_getalloctype * if_getindex * if_foreach_addr_type - Like if_foreach_lladdr() but for any address family type. Used by some drivers to iterate over all AF_INET addresses. * if_init() - wrapper for ifp->if_init() call * if_setinputfn * if_setsndtagallocfn * if_togglehwassist Reviewers: #transport, #network, glebius, melifaro Reviewed by: #network, melifaro Sponsored by: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D37664
This commit is contained in:
Justin Hibbits
parent
e81fcbece8
commit
eb1da3e525
147
sys/net/if.c
147
sys/net/if.c
@ -279,7 +279,7 @@ static void if_input_default(struct ifnet *, struct mbuf *);
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static int if_requestencap_default(struct ifnet *, struct if_encap_req *);
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static void if_route(struct ifnet *, int flag, int fam);
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static int if_setflag(struct ifnet *, int, int, int *, int);
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static int if_transmit(struct ifnet *ifp, struct mbuf *m);
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static int if_transmit_default(struct ifnet *ifp, struct mbuf *m);
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static void if_unroute(struct ifnet *, int flag, int fam);
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static int if_delmulti_locked(struct ifnet *, struct ifmultiaddr *, int);
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static void do_link_state_change(void *, int);
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@ -421,13 +421,13 @@ ifnet_byindexgen(uint16_t idx, uint16_t gen)
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*/
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static void
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if_init(void *arg __unused)
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if_init_idxtable(void *arg __unused)
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{
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ifindex_table = malloc(if_indexlim * sizeof(*ifindex_table),
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M_IFNET, M_WAITOK | M_ZERO);
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}
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SYSINIT(if_init, SI_SUB_INIT_IF, SI_ORDER_SECOND, if_init, NULL);
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SYSINIT(if_init, SI_SUB_INIT_IF, SI_ORDER_SECOND, if_init_idxtable, NULL);
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static void
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vnet_if_init(const void *unused __unused)
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@ -854,7 +854,7 @@ if_attach_internal(struct ifnet *ifp, bool vmove)
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(ifp->if_transmit != NULL && ifp->if_qflush != NULL),
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("transmit and qflush must both either be set or both be NULL"));
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if (ifp->if_transmit == NULL) {
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ifp->if_transmit = if_transmit;
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ifp->if_transmit = if_transmit_default;
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ifp->if_qflush = if_qflush;
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}
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if (ifp->if_input == NULL)
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@ -2385,7 +2385,7 @@ ifr_data_get_ptr(void *ifrp)
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}
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struct ifcap_nv_bit_name {
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int cap_bit;
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uint64_t cap_bit;
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const char *cap_name;
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};
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#define CAPNV(x) {.cap_bit = IFCAP_##x, \
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@ -4109,7 +4109,7 @@ if_start(struct ifnet *ifp)
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* that have not implemented it
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*/
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static int
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if_transmit(struct ifnet *ifp, struct mbuf *m)
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if_transmit_default(struct ifnet *ifp, struct mbuf *m)
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{
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int error;
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@ -4195,7 +4195,7 @@ if_setbaudrate(struct ifnet *ifp, uint64_t baudrate)
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}
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uint64_t
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if_getbaudrate(if_t ifp)
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if_getbaudrate(const if_t ifp)
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{
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return (((struct ifnet *)ifp)->if_baudrate);
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@ -4218,7 +4218,7 @@ if_setcapabilitiesbit(if_t ifp, int setbit, int clearbit)
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}
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int
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if_getcapabilities(if_t ifp)
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if_getcapabilities(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_capabilities;
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}
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@ -4242,11 +4242,33 @@ if_setcapenablebit(if_t ifp, int setcap, int clearcap)
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}
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const char *
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if_getdname(if_t ifp)
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if_getdname(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_dname;
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}
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void
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if_setdname(if_t ifp, const char *dname)
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{
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((struct ifnet *)ifp)->if_dname = dname;
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}
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const char *
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if_name(if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_xname;
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}
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int
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if_setname(if_t ifp, const char *name)
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{
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if (strlen(name) > sizeof(ifp->if_xname) - 1)
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return (ENAMETOOLONG);
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strlcpy(ifp->if_xname, name, sizeof(ifp->if_xname));
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return (0);
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}
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int
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if_togglecapenable(if_t ifp, int togglecap)
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{
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@ -4255,11 +4277,23 @@ if_togglecapenable(if_t ifp, int togglecap)
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}
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int
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if_getcapenable(if_t ifp)
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if_getcapenable(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_capenable;
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}
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int
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if_getdunit(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_dunit;
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}
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int
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if_getindex(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_index;
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}
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void
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if_setdescr(if_t ifp, char *descrbuf)
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{
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@ -4284,6 +4318,12 @@ if_freedescr(char *descrbuf)
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free(descrbuf, M_IFDESCR);
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}
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int
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if_getalloctype(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_alloctype;
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}
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/*
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* This is largely undesirable because it ties ifnet to a device, but does
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* provide flexiblity for an embedded product vendor. Should be used with
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@ -4306,7 +4346,7 @@ if_setdrvflagbits(if_t ifp, int set_flags, int clear_flags)
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}
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int
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if_getdrvflags(if_t ifp)
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if_getdrvflags(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_drv_flags;
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}
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@ -4336,7 +4376,7 @@ if_setflagbits(if_t ifp, int set, int clear)
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}
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int
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if_getflags(if_t ifp)
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if_getflags(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_flags;
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}
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@ -4365,11 +4405,18 @@ if_sethwassist(if_t ifp, int hwassist_bit)
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}
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int
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if_gethwassist(if_t ifp)
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if_gethwassist(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_hwassist;
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}
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int
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if_togglehwassist(if_t ifp, int toggle_bits)
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{
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((struct ifnet *)ifp)->if_hwassist ^= toggle_bits;
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return (0);
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}
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int
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if_setmtu(if_t ifp, int mtu)
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{
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@ -4378,13 +4425,13 @@ if_setmtu(if_t ifp, int mtu)
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}
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int
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if_getmtu(if_t ifp)
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if_getmtu(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_mtu;
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}
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int
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if_getmtu_family(if_t ifp, int family)
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if_getmtu_family(const if_t ifp, int family)
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{
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struct domain *dp;
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@ -4479,6 +4526,27 @@ if_foreach_llmaddr(if_t ifp, iflladdr_cb_t cb, void *cb_arg)
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return (count);
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}
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u_int
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if_foreach_addr_type(if_t ifp, int type, if_addr_cb_t cb, void *cb_arg)
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{
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struct epoch_tracker et;
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struct ifaddr *ifa;
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u_int count;
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MPASS(cb);
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count = 0;
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NET_EPOCH_ENTER(et);
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CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
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if (ifa->ifa_addr->sa_family != type)
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continue;
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count += (*cb)(cb_arg, ifa, count);
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}
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NET_EPOCH_EXIT(et);
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return (count);
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}
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int
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if_setsoftc(if_t ifp, void *softc)
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{
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@ -4487,7 +4555,7 @@ if_setsoftc(if_t ifp, void *softc)
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}
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void *
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if_getsoftc(if_t ifp)
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if_getsoftc(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_softc;
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}
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@ -4520,13 +4588,13 @@ if_sendq_empty(if_t ifp)
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}
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struct ifaddr *
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if_getifaddr(if_t ifp)
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if_getifaddr(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_addr;
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}
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int
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if_getamcount(if_t ifp)
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if_getamcount(const if_t ifp)
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{
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return ((struct ifnet *)ifp)->if_amcount;
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}
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@ -4553,6 +4621,13 @@ if_vlantrunkinuse(if_t ifp)
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return ((struct ifnet *)ifp)->if_vlantrunk != NULL?1:0;
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}
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int
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if_init(if_t ifp)
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{
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(*((struct ifnet *)ifp)->if_init)((struct ifnet *)ifp);
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return (0);
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}
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int
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if_input(if_t ifp, struct mbuf* sendmp)
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{
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@ -4561,6 +4636,13 @@ if_input(if_t ifp, struct mbuf* sendmp)
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}
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int
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if_transmit(if_t ifp, struct mbuf *m)
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{
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(*((struct ifnet *)ifp)->if_transmit)((struct ifnet *)ifp, m);
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return (0);
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}
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struct mbuf *
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if_dequeue(if_t ifp)
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{
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@ -4585,7 +4667,7 @@ if_setifheaderlen(if_t ifp, int len)
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}
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caddr_t
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if_getlladdr(if_t ifp)
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if_getlladdr(const if_t ifp)
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{
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return (IF_LLADDR((struct ifnet *)ifp));
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}
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@ -4644,40 +4726,46 @@ if_sethwtsomaxsegsize(if_t ifp, u_int if_hw_tsomaxsegsize)
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}
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u_int
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if_gethwtsomax(if_t ifp)
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if_gethwtsomax(const if_t ifp)
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{
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return (((struct ifnet *)ifp)->if_hw_tsomax);
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}
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u_int
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if_gethwtsomaxsegcount(if_t ifp)
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if_gethwtsomaxsegcount(const if_t ifp)
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{
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return (((struct ifnet *)ifp)->if_hw_tsomaxsegcount);
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}
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u_int
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if_gethwtsomaxsegsize(if_t ifp)
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if_gethwtsomaxsegsize(const if_t ifp)
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{
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return (((struct ifnet *)ifp)->if_hw_tsomaxsegsize);
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}
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void
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if_setinitfn(if_t ifp, void (*init_fn)(void *))
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if_setinitfn(if_t ifp, if_init_fn_t init_fn)
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{
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((struct ifnet *)ifp)->if_init = init_fn;
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}
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void
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if_setioctlfn(if_t ifp, int (*ioctl_fn)(if_t, u_long, caddr_t))
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if_setinputfn(if_t ifp, if_input_fn_t input_fn)
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{
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((struct ifnet *)ifp)->if_input = input_fn;
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}
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void
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if_setioctlfn(if_t ifp, if_ioctl_fn_t ioctl_fn)
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{
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((struct ifnet *)ifp)->if_ioctl = (void *)ioctl_fn;
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}
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void
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if_setstartfn(if_t ifp, void (*start_fn)(if_t))
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if_setstartfn(if_t ifp, if_start_fn_t start_fn)
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{
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((struct ifnet *)ifp)->if_start = (void *)start_fn;
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}
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@ -4688,12 +4776,19 @@ if_settransmitfn(if_t ifp, if_transmit_fn_t start_fn)
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((struct ifnet *)ifp)->if_transmit = start_fn;
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}
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void if_setqflushfn(if_t ifp, if_qflush_fn_t flush_fn)
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void
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if_setqflushfn(if_t ifp, if_qflush_fn_t flush_fn)
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{
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((struct ifnet *)ifp)->if_qflush = flush_fn;
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}
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void
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if_setsndtagallocfn(if_t ifp, if_snd_tag_alloc_t alloc_fn)
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{
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((struct ifnet *)ifp)->if_snd_tag_alloc = alloc_fn;
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}
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void
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if_setgetcounterfn(if_t ifp, if_get_counter_t fn)
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{
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@ -254,8 +254,9 @@ struct if_data {
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#define IFCAP_VXLAN_HWTSO 0x40000000 /* can do IFCAP_TSO on VXLANs */
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#define IFCAP_TXTLS_RTLMT 0x80000000 /* can do TLS with rate limiting */
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#define IFCAP2_RXTLS4 0x00001
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#define IFCAP2_RXTLS6 0x00002
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/* IFCAP2_* are integers, not bits. */
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#define IFCAP2_RXTLS4 (0x00001ULL << 32)
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#define IFCAP2_RXTLS6 (0x00002ULL << 32)
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#define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6)
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@ -129,6 +129,9 @@ typedef struct ifnet * if_t;
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typedef void (*if_start_fn_t)(if_t);
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typedef int (*if_ioctl_fn_t)(if_t, u_long, caddr_t);
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typedef void (*if_init_fn_t)(void *);
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typedef void (*if_input_fn_t)(struct ifnet *, struct mbuf *);
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typedef int (*if_output_fn_t)
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(struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *);
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typedef void (*if_qflush_fn_t)(if_t);
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typedef int (*if_transmit_fn_t)(if_t, struct mbuf *);
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typedef uint64_t (*if_get_counter_t)(if_t, ift_counter);
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@ -402,11 +405,8 @@ struct ifnet {
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struct netmap_adapter *if_netmap; /* netmap(4) softc */
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/* Various procedures of the layer2 encapsulation and drivers. */
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int (*if_output) /* output routine (enqueue) */
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(struct ifnet *, struct mbuf *, const struct sockaddr *,
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struct route *);
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void (*if_input) /* input routine (from h/w driver) */
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(struct ifnet *, struct mbuf *);
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if_output_fn_t if_output; /* output routine (enqueue) */
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if_input_fn_t if_input; /* input routine (from h/w driver) */
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struct mbuf *(*if_bridge_input)(struct ifnet *, struct mbuf *);
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int (*if_bridge_output)(struct ifnet *, struct mbuf *, struct sockaddr *,
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struct rtentry *);
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@ -477,9 +477,6 @@ struct ifnet {
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int if_ispare[4]; /* general use */
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};
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/* for compatibility with other BSDs */
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#define if_name(ifp) ((ifp)->if_xname)
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#define IF_NODOM 255
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/*
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* Locks for address lists on the network interface.
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@ -730,44 +727,51 @@ void if_inc_counter(struct ifnet *, ift_counter, int64_t);
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LLADDR((struct sockaddr_dl *)((ifp)->if_addr->ifa_addr))
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uint64_t if_setbaudrate(if_t ifp, uint64_t baudrate);
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uint64_t if_getbaudrate(if_t ifp);
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uint64_t if_getbaudrate(const if_t ifp);
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int if_setcapabilities(if_t ifp, int capabilities);
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int if_setcapabilitiesbit(if_t ifp, int setbit, int clearbit);
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int if_getcapabilities(if_t ifp);
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int if_getcapabilities(const if_t ifp);
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int if_togglecapenable(if_t ifp, int togglecap);
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int if_setcapenable(if_t ifp, int capenable);
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int if_setcapenablebit(if_t ifp, int setcap, int clearcap);
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int if_getcapenable(if_t ifp);
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const char *if_getdname(if_t ifp);
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int if_getcapenable(const if_t ifp);
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int if_getdunit(const if_t ifp);
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int if_getindex(const if_t ifp);
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const char *if_getdname(const if_t ifp);
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void if_setdname(if_t ifp, const char *name);
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const char *if_name(if_t ifp);
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int if_setname(if_t ifp, const char *name);
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void if_setdescr(if_t ifp, char *descrbuf);
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char *if_allocdescr(size_t sz, int malloc_flag);
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void if_freedescr(char *descrbuf);
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int if_getalloctype(const if_t ifp);
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int if_setdev(if_t ifp, void *dev);
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int if_setdrvflagbits(if_t ifp, int if_setflags, int clear_flags);
|
||||
int if_getdrvflags(if_t ifp);
|
||||
int if_getdrvflags(const if_t ifp);
|
||||
int if_setdrvflags(if_t ifp, int flags);
|
||||
int if_clearhwassist(if_t ifp);
|
||||
int if_sethwassistbits(if_t ifp, int toset, int toclear);
|
||||
int if_sethwassist(if_t ifp, int hwassist_bit);
|
||||
int if_gethwassist(if_t ifp);
|
||||
int if_gethwassist(const if_t ifp);
|
||||
int if_togglehwassist(if_t ifp, int toggle_bits);
|
||||
int if_setsoftc(if_t ifp, void *softc);
|
||||
void *if_getsoftc(if_t ifp);
|
||||
int if_setflags(if_t ifp, int flags);
|
||||
int if_gethwaddr(if_t ifp, struct ifreq *);
|
||||
int if_gethwaddr(const if_t ifp, struct ifreq *);
|
||||
int if_setmtu(if_t ifp, int mtu);
|
||||
int if_getmtu(if_t ifp);
|
||||
int if_getmtu_family(if_t ifp, int family);
|
||||
int if_getmtu(const if_t ifp);
|
||||
int if_getmtu_family(const if_t ifp, int family);
|
||||
int if_setflagbits(if_t ifp, int set, int clear);
|
||||
int if_getflags(if_t ifp);
|
||||
int if_getflags(const if_t ifp);
|
||||
int if_sendq_empty(if_t ifp);
|
||||
int if_setsendqready(if_t ifp);
|
||||
int if_setsendqlen(if_t ifp, int tx_desc_count);
|
||||
int if_sethwtsomax(if_t ifp, u_int if_hw_tsomax);
|
||||
int if_sethwtsomaxsegcount(if_t ifp, u_int if_hw_tsomaxsegcount);
|
||||
int if_sethwtsomaxsegsize(if_t ifp, u_int if_hw_tsomaxsegsize);
|
||||
u_int if_gethwtsomax(if_t ifp);
|
||||
u_int if_gethwtsomaxsegcount(if_t ifp);
|
||||
u_int if_gethwtsomaxsegsize(if_t ifp);
|
||||
u_int if_gethwtsomax(const if_t ifp);
|
||||
u_int if_gethwtsomaxsegcount(const if_t ifp);
|
||||
u_int if_gethwtsomaxsegsize(const if_t ifp);
|
||||
int 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);
|
||||
@ -776,11 +780,13 @@ void if_setrcvif(struct mbuf *m, if_t ifp);
|
||||
void if_setvtag(struct mbuf *m, u_int16_t tag);
|
||||
u_int16_t if_getvtag(struct mbuf *m);
|
||||
int if_vlantrunkinuse(if_t ifp);
|
||||
caddr_t if_getlladdr(if_t ifp);
|
||||
caddr_t if_getlladdr(const if_t ifp);
|
||||
void *if_gethandle(u_char);
|
||||
void if_bpfmtap(if_t ifp, struct mbuf *m);
|
||||
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);
|
||||
|
||||
/*
|
||||
* Traversing through interface address lists.
|
||||
@ -792,16 +798,22 @@ u_int if_foreach_llmaddr(if_t, iflladdr_cb_t, void *);
|
||||
u_int if_lladdr_count(if_t);
|
||||
u_int if_llmaddr_count(if_t);
|
||||
|
||||
int if_getamcount(if_t ifp);
|
||||
struct ifaddr * if_getifaddr(if_t ifp);
|
||||
int if_getamcount(const if_t ifp);
|
||||
struct ifaddr * if_getifaddr(const if_t ifp);
|
||||
typedef u_int if_addr_cb_t(void *, struct ifaddr *, u_int);
|
||||
u_int if_foreach_addr_type(if_t ifp, int type, if_addr_cb_t cb, void *cb_arg);
|
||||
|
||||
/* Functions */
|
||||
void if_setinitfn(if_t ifp, void (*)(void *));
|
||||
void if_setioctlfn(if_t ifp, int (*)(if_t, u_long, caddr_t));
|
||||
void if_setinitfn(if_t ifp, if_init_fn_t);
|
||||
void if_setinputfn(if_t ifp, if_input_fn_t);
|
||||
void if_setioctlfn(if_t ifp, if_ioctl_fn_t);
|
||||
void if_setoutputfn(if_t ifp, int(*)
|
||||
(if_t, struct mbuf *, const struct sockaddr *, struct route *));
|
||||
void if_setstartfn(if_t ifp, void (*)(if_t));
|
||||
void if_settransmitfn(if_t ifp, if_transmit_fn_t);
|
||||
void if_setqflushfn(if_t ifp, if_qflush_fn_t);
|
||||
void if_setgetcounterfn(if_t ifp, if_get_counter_t);
|
||||
void if_setsndtagallocfn(if_t ifp, if_snd_tag_alloc_t);
|
||||
|
||||
/* TSO */
|
||||
void if_hw_tsomax_common(if_t ifp, struct ifnet_hw_tsomax *);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user