/*
- * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2020 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
#include <sys/syslog.h>
#include <sys/sysctl.h>
#include <sys/mcache.h>
+#include <sys/kauth.h>
+#include <sys/priv.h>
#include <kern/zalloc.h>
+#include <mach/boolean.h>
#include <machine/endian.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_var.h>
-#include <net/net_osdep.h>
+#include <net/if_media.h>
+#include <net/if_ppp.h>
#include <net/ethernet.h>
-
+#include <net/network_agent.h>
+#include <net/pktsched/pktsched_netem.h>
#include <net/radix.h>
#include <net/route.h>
-#ifdef __APPLE__
#include <net/dlil.h>
-//#include <string.h>
+#include <net/nwk_wq.h>
+
#include <sys/domain.h>
#include <libkern/OSAtomic.h>
-#endif
-#if INET || INET6
-/*XXX*/
+#if INET
#include <netinet/in.h>
#include <netinet/in_var.h>
+#include <netinet/in_tclass.h>
#include <netinet/ip_var.h>
+#include <netinet/ip.h>
#include <netinet/ip6.h>
-#if INET6
+#include <netinet/ip_var.h>
+#include <netinet/tcp.h>
+#include <netinet/tcp_var.h>
+#include <netinet/udp.h>
+#include <netinet/udp_var.h>
#include <netinet6/in6_var.h>
#include <netinet6/in6_ifattach.h>
#include <netinet6/ip6_var.h>
-#endif
-#endif
+#include <netinet6/nd6.h>
+#endif /* INET */
-#if CONFIG_MACF_NET
-#include <security/mac_framework.h>
-#endif
+#include <os/log.h>
/*
* System initialization
*/
-/* Lock group and attribute for ifaddr lock */
-lck_attr_t *ifa_mtx_attr;
-lck_grp_t *ifa_mtx_grp;
-static lck_grp_attr_t *ifa_mtx_grp_attr;
+extern char *proc_name_address(void *);
+/* Lock group and attribute for ifaddr lock */
+lck_attr_t *ifa_mtx_attr;
+lck_grp_t *ifa_mtx_grp;
+static lck_grp_attr_t *ifa_mtx_grp_attr;
+
+static int ifioctl_ifreq(struct socket *, u_long, struct ifreq *,
+ struct proc *);
+static int ifioctl_ifconf(u_long, caddr_t);
+static int ifioctl_ifclone(u_long, caddr_t);
+static int ifioctl_iforder(u_long, caddr_t);
+static int ifioctl_ifdesc(struct ifnet *, u_long, caddr_t, struct proc *);
+static int ifioctl_linkparams(struct ifnet *, u_long, caddr_t, struct proc *);
+static int ifioctl_qstats(struct ifnet *, u_long, caddr_t);
+static int ifioctl_throttle(struct ifnet *, u_long, caddr_t, struct proc *);
+static int ifioctl_netsignature(struct ifnet *, u_long, caddr_t);
static int ifconf(u_long cmd, user_addr_t ifrp, int * ret_space);
-static void if_qflush(struct ifqueue *);
__private_extern__ void link_rtrequest(int, struct rtentry *, struct sockaddr *);
void if_rtproto_del(struct ifnet *ifp, int protocol);
struct ifmultiaddr **, int);
static int if_delmulti_common(struct ifmultiaddr *, struct ifnet *,
const struct sockaddr *, int);
+static struct ifnet *ifunit_common(const char *, boolean_t);
static int if_rtmtu(struct radix_node *, void *);
static void if_rtmtu_update(struct ifnet *);
-#if IF_CLONE_LIST
-static int if_clone_list(int count, int * total, user_addr_t dst);
-#endif /* IF_CLONE_LIST */
+static int if_clone_list(int, int *, user_addr_t);
MALLOC_DEFINE(M_IFADDR, "ifaddr", "interface address");
-int ifqmaxlen = IFQ_MAXLEN;
-struct ifnethead ifnet_head = TAILQ_HEAD_INITIALIZER(ifnet_head);
+struct ifnethead ifnet_head = TAILQ_HEAD_INITIALIZER(ifnet_head);
+
+/* ifnet_ordered_head and if_ordered_count are protected by the ifnet_head lock */
+struct ifnethead ifnet_ordered_head = TAILQ_HEAD_INITIALIZER(ifnet_ordered_head);
+static u_int32_t if_ordered_count = 0;
-static int if_cloners_count;
+static int if_cloners_count;
LIST_HEAD(, if_clone) if_cloners = LIST_HEAD_INITIALIZER(if_cloners);
static struct ifaddr *ifa_ifwithnet_common(const struct sockaddr *,
static void ifma_trace(struct ifmultiaddr *, int);
#if DEBUG
-static unsigned int ifma_debug = 1; /* debugging (enabled) */
+static unsigned int ifma_debug = 1; /* debugging (enabled) */
#else
-static unsigned int ifma_debug; /* debugging (disabled) */
+static unsigned int ifma_debug; /* debugging (disabled) */
#endif /* !DEBUG */
-static unsigned int ifma_size; /* size of zone element */
-static struct zone *ifma_zone; /* zone for ifmultiaddr */
+static unsigned int ifma_size; /* size of zone element */
+static struct zone *ifma_zone; /* zone for ifmultiaddr */
-#define IFMA_TRACE_HIST_SIZE 32 /* size of trace history */
+#define IFMA_TRACE_HIST_SIZE 32 /* size of trace history */
/* For gdb */
__private_extern__ unsigned int ifma_trace_hist_size = IFMA_TRACE_HIST_SIZE;
struct ifmultiaddr_dbg {
- struct ifmultiaddr ifma; /* ifmultiaddr */
- u_int16_t ifma_refhold_cnt; /* # of ref */
- u_int16_t ifma_refrele_cnt; /* # of rele */
+ struct ifmultiaddr ifma; /* ifmultiaddr */
+ u_int16_t ifma_refhold_cnt; /* # of ref */
+ u_int16_t ifma_refrele_cnt; /* # of rele */
/*
* Circular lists of IFA_ADDREF and IFA_REMREF callers.
*/
- ctrace_t ifma_refhold[IFMA_TRACE_HIST_SIZE];
- ctrace_t ifma_refrele[IFMA_TRACE_HIST_SIZE];
+ ctrace_t ifma_refhold[IFMA_TRACE_HIST_SIZE];
+ ctrace_t ifma_refrele[IFMA_TRACE_HIST_SIZE];
/*
* Trash list linkage
*/
static TAILQ_HEAD(, ifmultiaddr_dbg) ifma_trash_head;
static decl_lck_mtx_data(, ifma_trash_lock);
-#define IFMA_ZONE_MAX 64 /* maximum elements in zone */
-#define IFMA_ZONE_NAME "ifmultiaddr" /* zone name */
+#define IFMA_ZONE_MAX 64 /* maximum elements in zone */
+#define IFMA_ZONE_NAME "ifmultiaddr" /* zone name */
-#if INET6
/*
* XXX: declare here to avoid to include many inet6 related files..
* should be more generalized?
*/
-extern void nd6_setmtu(struct ifnet *);
+extern void nd6_setmtu(struct ifnet *);
extern lck_mtx_t *nd6_mutex;
-#endif
+SYSCTL_NODE(_net, PF_LINK, link, CTLFLAG_RW | CTLFLAG_LOCKED, 0, "Link layers");
+SYSCTL_NODE(_net_link, 0, generic, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+ "Generic link-management");
+
+SYSCTL_DECL(_net_link_generic_system);
+
+static uint32_t if_verbose = 0;
+SYSCTL_INT(_net_link_generic_system, OID_AUTO, if_verbose,
+ CTLFLAG_RW | CTLFLAG_LOCKED, &if_verbose, 0, "");
+
+#if (DEBUG || DEVELOPMENT)
+static uint32_t default_tcp_kao_max = 0;
+SYSCTL_INT(_net_link_generic_system, OID_AUTO, default_tcp_kao_max,
+ CTLFLAG_RW | CTLFLAG_LOCKED, &default_tcp_kao_max, 0, "");
+#else
+static const uint32_t default_tcp_kao_max = 0;
+#endif /* (DEBUG || DEVELOPMENT) */
+
+u_int32_t companion_link_sock_buffer_limit = 0;
+
+static int
+sysctl_set_companion_link_sock_buf_limit SYSCTL_HANDLER_ARGS
+{
+#pragma unused(arg1, arg2)
+ int error, tmp = companion_link_sock_buffer_limit;
+ error = sysctl_handle_int(oidp, &tmp, 0, req);
+ if (tmp < 0) {
+ return EINVAL;
+ }
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+
+ u_int32_t new_limit = tmp;
+ if (new_limit == companion_link_sock_buffer_limit) {
+ return 0;
+ }
+
+ bool recover = new_limit == 0 ? true : false;
+ if (recover) {
+ error = inp_recover_companion_link(&tcbinfo);
+ } else {
+ error = inp_limit_companion_link(&tcbinfo, new_limit);
+ }
+ if (!error) {
+ companion_link_sock_buffer_limit = new_limit;
+ }
+ return error;
+}
+
+SYSCTL_PROC(_net_link_generic_system, OID_AUTO, companion_sndbuf_limit,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED | CTLFLAG_ANYBODY,
+ &companion_link_sock_buffer_limit, 0, sysctl_set_companion_link_sock_buf_limit,
+ "I", "set sock send buffer limit of connections using companion links");
+
+boolean_t intcoproc_unrestricted;
+
+/* Eventhandler context for interface events */
+struct eventhandler_lists_ctxt ifnet_evhdlr_ctxt;
void
ifa_init(void)
ifa_mtx_grp = lck_grp_alloc_init("ifaddr", ifa_mtx_grp_attr);
ifa_mtx_attr = lck_attr_alloc_init();
- PE_parse_boot_argn("ifa_debug", &ifma_debug, sizeof (ifma_debug));
+ PE_parse_boot_argn("ifa_debug", &ifma_debug, sizeof(ifma_debug));
- ifma_size = (ifma_debug == 0) ? sizeof (struct ifmultiaddr) :
- sizeof (struct ifmultiaddr_dbg);
-
- ifma_zone = zinit(ifma_size, IFMA_ZONE_MAX * ifma_size, 0,
- IFMA_ZONE_NAME);
- if (ifma_zone == NULL) {
- panic("%s: failed allocating %s", __func__, IFMA_ZONE_NAME);
- /* NOTREACHED */
- }
- zone_change(ifma_zone, Z_EXPAND, TRUE);
- zone_change(ifma_zone, Z_CALLERACCT, FALSE);
+ ifma_size = (ifma_debug == 0) ? sizeof(struct ifmultiaddr) :
+ sizeof(struct ifmultiaddr_dbg);
+ ifma_zone = zone_create(IFMA_ZONE_NAME, ifma_size, ZC_NONE);
lck_mtx_init(&ifma_trash_lock, ifa_mtx_grp, ifa_mtx_attr);
TAILQ_INIT(&ifma_trash_head);
+
+ PE_parse_boot_argn("intcoproc_unrestricted", &intcoproc_unrestricted,
+ sizeof(intcoproc_unrestricted));
}
/*
}
IFA_ADDREF_LOCKED(ifa);
ifa->ifa_debug |= IFD_ATTACHED;
- if (link)
+ if (link) {
TAILQ_INSERT_HEAD(&ifp->if_addrhead, ifa, ifa_link);
- else
+ } else {
TAILQ_INSERT_TAIL(&ifp->if_addrhead, ifa, ifa_link);
+ }
- if (ifa->ifa_attached != NULL)
+ if (ifa->ifa_attached != NULL) {
(*ifa->ifa_attached)(ifa);
+ }
+
}
__private_extern__ void
} else if (ifa->ifa_debug & IFD_DEBUG) {
struct ifaddr *ifa2;
TAILQ_FOREACH(ifa2, &ifp->if_addrhead, ifa_link) {
- if (ifa2 == ifa)
+ if (ifa2 == ifa) {
break;
+ }
}
if (ifa2 != ifa) {
panic("%s: Attempt to detach a stray address ifa=%p",
}
ifa->ifa_debug &= ~IFD_ATTACHED;
- if (ifa->ifa_detached != NULL)
+ if (ifa->ifa_detached != NULL) {
(*ifa->ifa_detached)(ifa);
+ }
+
}
-#define INITIAL_IF_INDEXLIM 8
+#define INITIAL_IF_INDEXLIM 8
/*
* Function: if_next_index
* Purpose:
- * Return the next available interface index.
- * Grow the ifnet_addrs[] and ifindex2ifnet[] arrays to accomodate the
+ * Return the next available interface index.
+ * Grow the ifnet_addrs[] and ifindex2ifnet[] arrays to accomodate the
* added entry when necessary.
*
* Note:
__private_extern__ int
if_next_index(void)
{
- static int if_indexlim = 0;
- int new_index;
+ static int if_indexlim = 0;
+ int new_index;
new_index = ++if_index;
if (if_index > if_indexlim) {
- unsigned n;
- int new_if_indexlim;
- caddr_t new_ifnet_addrs;
- caddr_t new_ifindex2ifnet;
- caddr_t old_ifnet_addrs;
+ unsigned n;
+ int new_if_indexlim;
+ caddr_t new_ifnet_addrs;
+ caddr_t new_ifindex2ifnet;
+ caddr_t old_ifnet_addrs;
old_ifnet_addrs = (caddr_t)ifnet_addrs;
if (ifnet_addrs == NULL) {
/* allocate space for the larger arrays */
n = (2 * new_if_indexlim + 1) * sizeof(caddr_t);
- new_ifnet_addrs = _MALLOC(n, M_IFADDR, M_WAITOK);
+ new_ifnet_addrs = _MALLOC(n, M_IFADDR, M_WAITOK | M_ZERO);
if (new_ifnet_addrs == NULL) {
--if_index;
return -1;
}
- new_ifindex2ifnet = new_ifnet_addrs
- + new_if_indexlim * sizeof(caddr_t);
- bzero(new_ifnet_addrs, n);
+ new_ifindex2ifnet = new_ifnet_addrs
+ + new_if_indexlim * sizeof(caddr_t);
if (ifnet_addrs != NULL) {
/* copy the existing data */
bcopy((caddr_t)ifnet_addrs, new_ifnet_addrs,
- if_indexlim * sizeof(caddr_t));
+ if_indexlim * sizeof(caddr_t));
bcopy((caddr_t)ifindex2ifnet,
- new_ifindex2ifnet,
- (if_indexlim + 1) * sizeof(caddr_t));
+ new_ifindex2ifnet,
+ (if_indexlim + 1) * sizeof(caddr_t));
}
/* switch to the new tables and size */
- ifnet_addrs = (struct ifaddr **)new_ifnet_addrs;
- ifindex2ifnet = (struct ifnet **)new_ifindex2ifnet;
+ ifnet_addrs = (struct ifaddr **)(void *)new_ifnet_addrs;
+ ifindex2ifnet = (struct ifnet **)(void *)new_ifindex2ifnet;
if_indexlim = new_if_indexlim;
/* release the old data */
_FREE((caddr_t)old_ifnet_addrs, M_IFADDR);
}
}
- return (new_index);
+ return new_index;
}
/*
int err;
ifc = if_clone_lookup(name, &unit);
- if (ifc == NULL)
- return (EINVAL);
+ if (ifc == NULL) {
+ return EINVAL;
+ }
- if (ifunit(name) != NULL)
- return (EEXIST);
+ if (ifunit(name) != NULL) {
+ return EEXIST;
+ }
bytoff = bitoff = 0;
wildcard = (unit == UINT32_MAX);
* Find a free unit if none was given.
*/
if (wildcard) {
- while ((bytoff < ifc->ifc_bmlen)
- && (ifc->ifc_units[bytoff] == 0xff))
+ while ((bytoff < ifc->ifc_bmlen) &&
+ (ifc->ifc_units[bytoff] == 0xff)) {
bytoff++;
- if (bytoff >= ifc->ifc_bmlen)
- return (ENOSPC);
- while ((ifc->ifc_units[bytoff] & (1 << bitoff)) != 0)
+ }
+ if (bytoff >= ifc->ifc_bmlen) {
+ return ENOSPC;
+ }
+ while ((ifc->ifc_units[bytoff] & (1 << bitoff)) != 0) {
bitoff++;
+ }
unit = (bytoff << 3) + bitoff;
}
- if (unit > ifc->ifc_maxunit)
- return (ENXIO);
+ if (unit > ifc->ifc_maxunit) {
+ return ENXIO;
+ }
+ lck_mtx_lock(&ifc->ifc_mutex);
err = (*ifc->ifc_create)(ifc, unit, params);
- if (err != 0)
- return (err);
+ if (err != 0) {
+ lck_mtx_unlock(&ifc->ifc_mutex);
+ return err;
+ }
if (!wildcard) {
bytoff = unit >> 3;
/* In the wildcard case, we need to update the name. */
if (wildcard) {
- for (dp = name; *dp != '\0'; dp++);
- if (snprintf(dp, len - (dp-name), "%d", unit) >
- len - (dp-name) - 1) {
+ for (dp = name; *dp != '\0'; dp++) {
+ ;
+ }
+ if (snprintf(dp, len - (dp - name), "%d", unit) >
+ len - (dp - name) - 1) {
/*
* This can only be a programmer error and
* there's no straightforward way to recover if
panic("%s: interface name too long", __func__);
/* NOTREACHED */
}
-
}
+ lck_mtx_unlock(&ifc->ifc_mutex);
- return (0);
+ return 0;
}
/*
static int
if_clone_destroy(const char *name)
{
- struct if_clone *ifc;
- struct ifnet *ifp;
+ struct if_clone *ifc = NULL;
+ struct ifnet *ifp = NULL;
int bytoff, bitoff;
u_int32_t unit;
+ int error = 0;
ifc = if_clone_lookup(name, &unit);
- if (ifc == NULL)
- return (EINVAL);
- if (unit < ifc->ifc_minifs)
- return (EINVAL);
+ if (ifc == NULL) {
+ error = EINVAL;
+ goto done;
+ }
+
+ if (unit < ifc->ifc_minifs) {
+ error = EINVAL;
+ goto done;
+ }
+
+ ifp = ifunit_ref(name);
+ if (ifp == NULL) {
+ error = ENXIO;
+ goto done;
+ }
- ifp = ifunit(name);
- if (ifp == NULL)
- return (ENXIO);
+ if (ifc->ifc_destroy == NULL) {
+ error = EOPNOTSUPP;
+ goto done;
+ }
- if (ifc->ifc_destroy == NULL)
- return (EOPNOTSUPP);
+ lck_mtx_lock(&ifc->ifc_mutex);
+ error = (*ifc->ifc_destroy)(ifp);
- (*ifc->ifc_destroy)(ifp);
+ if (error) {
+ lck_mtx_unlock(&ifc->ifc_mutex);
+ goto done;
+ }
- /*
- * Compute offset in the bitmap and deallocate the unit.
- */
+ /* Compute offset in the bitmap and deallocate the unit. */
bytoff = unit >> 3;
bitoff = unit - (bytoff << 3);
KASSERT((ifc->ifc_units[bytoff] & (1 << bitoff)) != 0,
("%s: bit is already cleared", __func__));
ifc->ifc_units[bytoff] &= ~(1 << bitoff);
- return (0);
+ lck_mtx_unlock(&ifc->ifc_mutex);
+
+done:
+ if (ifp != NULL) {
+ ifnet_decr_iorefcnt(ifp);
+ }
+ return error;
}
/*
{
struct if_clone *ifc;
const char *cp;
- size_t i;
+ u_int32_t i;
for (ifc = LIST_FIRST(&if_cloners); ifc != NULL;) {
for (cp = name, i = 0; i < ifc->ifc_namelen; i++, cp++) {
- if (ifc->ifc_name[i] != *cp)
+ if (ifc->ifc_name[i] != *cp) {
goto next_ifc;
+ }
}
goto found_name;
- next_ifc:
+next_ifc:
ifc = LIST_NEXT(ifc, ifc_list);
}
/* No match. */
- return ((struct if_clone *)NULL);
+ return (struct if_clone *)NULL;
- found_name:
+found_name:
if (*cp == '\0') {
- i = 0xffff;
+ i = UINT32_MAX;
} else {
for (i = 0; *cp != '\0'; cp++) {
if (*cp < '0' || *cp > '9') {
/* Bogus unit number. */
- return (NULL);
+ return NULL;
}
i = (i * 10) + (*cp - '0');
}
}
- if (unitp != NULL)
+ if (unitp != NULL) {
*unitp = i;
- return (ifc);
+ }
+ return ifc;
+}
+
+void *
+if_clone_softc_allocate(const struct if_clone *ifc)
+{
+ void *p_clone = NULL;
+
+ VERIFY(ifc != NULL);
+
+ p_clone = zalloc(ifc->ifc_zone);
+ if (p_clone != NULL) {
+ bzero(p_clone, ifc->ifc_softc_size);
+ }
+
+ return p_clone;
+}
+
+void
+if_clone_softc_deallocate(const struct if_clone *ifc, void *p_softc)
+{
+ VERIFY(ifc != NULL && p_softc != NULL);
+ bzero(p_softc, ifc->ifc_softc_size);
+ zfree(ifc->ifc_zone, p_softc);
}
/*
*/
maxclone = ifc->ifc_maxunit + 1;
len = maxclone >> 3;
- if ((len << 3) < maxclone)
+ if ((len << 3) < maxclone) {
len++;
+ }
ifc->ifc_units = _MALLOC(len, M_CLONE, M_WAITOK | M_ZERO);
- if (ifc->ifc_units == NULL)
+ if (ifc->ifc_units == NULL) {
return ENOBUFS;
- bzero(ifc->ifc_units, len);
+ }
ifc->ifc_bmlen = len;
+ lck_mtx_init(&ifc->ifc_mutex, ifnet_lock_group, ifnet_lock_attr);
+
+ if (ifc->ifc_softc_size != 0) {
+ ifc->ifc_zone = zone_create(ifc->ifc_name, ifc->ifc_softc_size,
+ ZC_DESTRUCTIBLE);
+ }
LIST_INSERT_HEAD(&if_cloners, ifc, ifc_list);
if_cloners_count++;
void
if_clone_detach(struct if_clone *ifc)
{
-
LIST_REMOVE(ifc, ifc_list);
FREE(ifc->ifc_units, M_CLONE);
+ if (ifc->ifc_softc_size != 0) {
+ zdestroy(ifc->ifc_zone);
+ }
+
+ lck_mtx_destroy(&ifc->ifc_mutex, ifnet_lock_group);
if_cloners_count--;
}
-#if IF_CLONE_LIST
/*
* Provide list of interface cloners to userspace.
*/
static int
-if_clone_list(int count, int * total, user_addr_t dst)
+if_clone_list(int count, int *ret_total, user_addr_t dst)
{
char outbuf[IFNAMSIZ];
struct if_clone *ifc;
int error = 0;
- *total = if_cloners_count;
+ *ret_total = if_cloners_count;
if (dst == USER_ADDR_NULL) {
/* Just asking how many there are. */
- return (0);
+ return 0;
}
- if (count < 0)
- return (EINVAL);
+ if (count < 0) {
+ return EINVAL;
+ }
count = (if_cloners_count < count) ? if_cloners_count : count;
for (ifc = LIST_FIRST(&if_cloners); ifc != NULL && count != 0;
- ifc = LIST_NEXT(ifc, ifc_list), count--, dst += IFNAMSIZ) {
+ ifc = LIST_NEXT(ifc, ifc_list), count--, dst += IFNAMSIZ) {
+ bzero(outbuf, sizeof(outbuf));
strlcpy(outbuf, ifc->ifc_name, IFNAMSIZ);
error = copyout(outbuf, dst, IFNAMSIZ);
- if (error)
+ if (error) {
break;
+ }
+ }
+
+ return error;
+}
+
+u_int32_t
+if_functional_type(struct ifnet *ifp, bool exclude_delegate)
+{
+ u_int32_t ret = IFRTYPE_FUNCTIONAL_UNKNOWN;
+
+ if (ifp != NULL) {
+ if (ifp->if_flags & IFF_LOOPBACK) {
+ ret = IFRTYPE_FUNCTIONAL_LOOPBACK;
+ } else if (IFNET_IS_COMPANION_LINK(ifp)) {
+ ret = IFRTYPE_FUNCTIONAL_COMPANIONLINK;
+ } else if ((exclude_delegate &&
+ (ifp->if_family == IFNET_FAMILY_ETHERNET &&
+ ifp->if_subfamily == IFNET_SUBFAMILY_WIFI)) ||
+ (!exclude_delegate && IFNET_IS_WIFI(ifp))) {
+ if (ifp->if_eflags & IFEF_AWDL) {
+ ret = IFRTYPE_FUNCTIONAL_WIFI_AWDL;
+ } else {
+ ret = IFRTYPE_FUNCTIONAL_WIFI_INFRA;
+ }
+ } else if ((exclude_delegate &&
+ (ifp->if_type == IFT_CELLULAR)) ||
+ (!exclude_delegate && IFNET_IS_CELLULAR(ifp))) {
+ ret = IFRTYPE_FUNCTIONAL_CELLULAR;
+ } else if (IFNET_IS_INTCOPROC(ifp)) {
+ ret = IFRTYPE_FUNCTIONAL_INTCOPROC;
+ } else if ((exclude_delegate &&
+ (ifp->if_family == IFNET_FAMILY_ETHERNET ||
+ ifp->if_family == IFNET_FAMILY_BOND ||
+ ifp->if_family == IFNET_FAMILY_VLAN ||
+ ifp->if_family == IFNET_FAMILY_FIREWIRE)) ||
+ (!exclude_delegate && IFNET_IS_WIRED(ifp))) {
+ ret = IFRTYPE_FUNCTIONAL_WIRED;
+ }
}
- return (error);
+ return ret;
}
-#endif /* IF_CLONE_LIST */
/*
* Similar to ifa_ifwithaddr, except that this is IPv4 specific
__private_extern__ struct in_ifaddr *
ifa_foraddr(unsigned int addr)
{
- return (ifa_foraddr_scoped(addr, IFSCOPE_NONE));
+ return ifa_foraddr_scoped(addr, IFSCOPE_NONE);
}
/*
IFA_LOCK_SPIN(&ia->ia_ifa);
if (ia->ia_addr.sin_addr.s_addr == addr &&
(scope == IFSCOPE_NONE || ia->ia_ifp->if_index == scope)) {
- IFA_ADDREF_LOCKED(&ia->ia_ifa); /* for caller */
+ IFA_ADDREF_LOCKED(&ia->ia_ifa); /* for caller */
IFA_UNLOCK(&ia->ia_ifa);
break;
}
IFA_UNLOCK(&ia->ia_ifa);
}
lck_rw_done(in_ifaddr_rwlock);
- return (ia);
+ return ia;
}
-#if INET6
/*
* Similar to ifa_foraddr, except that this for IPv6.
*/
__private_extern__ struct in6_ifaddr *
ifa_foraddr6(struct in6_addr *addr6)
{
- return (ifa_foraddr6_scoped(addr6, IFSCOPE_NONE));
+ return ifa_foraddr6_scoped(addr6, IFSCOPE_NONE);
}
__private_extern__ struct in6_ifaddr *
struct in6_ifaddr *ia = NULL;
lck_rw_lock_shared(&in6_ifaddr_rwlock);
- for (ia = in6_ifaddrs; ia; ia = ia->ia_next) {
+ TAILQ_FOREACH(ia, IN6ADDR_HASH(addr6), ia6_hash) {
IFA_LOCK(&ia->ia_ifa);
if (IN6_ARE_ADDR_EQUAL(&ia->ia_addr.sin6_addr, addr6) &&
(scope == IFSCOPE_NONE || ia->ia_ifp->if_index == scope)) {
}
lck_rw_done(&in6_ifaddr_rwlock);
- return (ia);
+ return ia;
}
-#endif /* INET6 */
/*
* Return the first (primary) address of a given family on an interface.
TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
IFA_LOCK_SPIN(ifa);
if (ifa->ifa_addr->sa_family == family) {
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
}
ifnet_lock_done(ifp);
- return (ifa);
+ return ifa;
+}
+
+static inline int
+ifa_equal(const struct sockaddr *sa1, const struct sockaddr *sa2)
+{
+ if (!sa1 || !sa2) {
+ return 0;
+ }
+ if (sa1->sa_len != sa2->sa_len) {
+ return 0;
+ }
+
+ return bcmp(sa1, sa2, sa1->sa_len) == 0;
}
/*
* Locate an interface based on a complete address.
*/
-/*ARGSUSED*/
struct ifaddr *
-ifa_ifwithaddr(const struct sockaddr *addr)
+ifa_ifwithaddr_locked(const struct sockaddr *addr)
{
struct ifnet *ifp;
struct ifaddr *ifa;
struct ifaddr *result = NULL;
-#define equal(a1, a2) \
- (bcmp((const void*)(a1), (const void*)(a2), \
- ((const struct sockaddr *)(a1))->sa_len) == 0)
-
- ifnet_head_lock_shared();
for (ifp = ifnet_head.tqh_first; ifp && !result;
ifp = ifp->if_link.tqe_next) {
ifnet_lock_shared(ifp);
IFA_UNLOCK(ifa);
continue;
}
- if (equal(addr, ifa->ifa_addr)) {
+ if (ifa_equal(addr, ifa->ifa_addr)) {
result = ifa;
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
ifa->ifa_broadaddr != NULL &&
/* IP6 doesn't have broadcast */
ifa->ifa_broadaddr->sa_len != 0 &&
- equal(ifa->ifa_broadaddr, addr)) {
+ ifa_equal(ifa->ifa_broadaddr, addr)) {
result = ifa;
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
}
ifnet_lock_done(ifp);
}
+
+ return result;
+}
+
+struct ifaddr *
+ifa_ifwithaddr(const struct sockaddr *addr)
+{
+ struct ifaddr *result = NULL;
+
+ ifnet_head_lock_shared();
+
+ result = ifa_ifwithaddr_locked(addr);
+
ifnet_head_done();
- return (result);
+ return result;
}
/*
* Locate the point to point interface with a given destination address.
ifnet_head_lock_shared();
for (ifp = ifnet_head.tqh_first; ifp && !result;
ifp = ifp->if_link.tqe_next) {
- if ((ifp->if_flags & IFF_POINTOPOINT)) {
+ if ((ifp->if_flags & IFF_POINTOPOINT)) {
ifnet_lock_shared(ifp);
for (ifa = ifp->if_addrhead.tqh_first; ifa;
ifa = ifa->ifa_link.tqe_next) {
IFA_UNLOCK(ifa);
continue;
}
- if (ifa->ifa_dstaddr &&
- equal(addr, ifa->ifa_dstaddr)) {
+ if (ifa_equal(addr, ifa->ifa_dstaddr)) {
result = ifa;
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
}
}
ifnet_head_done();
- return (result);
+ return result;
}
/*
* Locate the source address of an interface based on a complete address.
*/
struct ifaddr *
-ifa_ifwithaddr_scoped(const struct sockaddr *addr, unsigned int ifscope)
+ifa_ifwithaddr_scoped_locked(const struct sockaddr *addr, unsigned int ifscope)
{
struct ifaddr *result = NULL;
struct ifnet *ifp;
- if (ifscope == IFSCOPE_NONE)
- return (ifa_ifwithaddr(addr));
+ if (ifscope == IFSCOPE_NONE) {
+ return ifa_ifwithaddr_locked(addr);
+ }
- ifnet_head_lock_shared();
if (ifscope > (unsigned int)if_index) {
- ifnet_head_done();
- return (NULL);
+ return NULL;
}
ifp = ifindex2ifnet[ifscope];
IFA_UNLOCK(ifa);
continue;
}
- if (equal(addr, ifa->ifa_addr)) {
+ if (ifa_equal(addr, ifa->ifa_addr)) {
result = ifa;
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
ifa->ifa_broadaddr != NULL &&
/* IP6 doesn't have broadcast */
ifa->ifa_broadaddr->sa_len != 0 &&
- equal(ifa->ifa_broadaddr, addr)) {
+ ifa_equal(ifa->ifa_broadaddr, addr)) {
result = ifa;
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
}
ifnet_lock_done(ifp);
}
+
+ return result;
+}
+
+struct ifaddr *
+ifa_ifwithaddr_scoped(const struct sockaddr *addr, unsigned int ifscope)
+{
+ struct ifaddr *result = NULL;
+
+ ifnet_head_lock_shared();
+
+ result = ifa_ifwithaddr_scoped_locked(addr, ifscope);
+
ifnet_head_done();
- return (result);
+ return result;
}
struct ifaddr *
ifa_ifwithnet(const struct sockaddr *addr)
{
- return (ifa_ifwithnet_common(addr, IFSCOPE_NONE));
+ return ifa_ifwithnet_common(addr, IFSCOPE_NONE);
}
struct ifaddr *
ifa_ifwithnet_scoped(const struct sockaddr *addr, unsigned int ifscope)
{
- return (ifa_ifwithnet_common(addr, ifscope));
+ return ifa_ifwithnet_common(addr, ifscope);
}
/*
u_int af = addr->sa_family;
const char *addr_data = addr->sa_data, *cplim;
-#if INET6
- if ((af != AF_INET && af != AF_INET6) ||
- (af == AF_INET && !ip_doscopedroute) ||
- (af == AF_INET6 && !ip6_doscopedroute))
-#else
- if (af != AF_INET || !ip_doscopedroute)
-#endif /* !INET6 */
+ if (af != AF_INET && af != AF_INET6) {
ifscope = IFSCOPE_NONE;
+ }
ifnet_head_lock_shared();
/*
* so do that if we can.
*/
if (af == AF_LINK) {
- const struct sockaddr_dl *sdl = (const struct sockaddr_dl *)addr;
+ const struct sockaddr_dl *sdl =
+ (const struct sockaddr_dl *)(uintptr_t)(size_t)addr;
if (sdl->sdl_index && sdl->sdl_index <= if_index) {
ifa = ifnet_addrs[sdl->sdl_index - 1];
- if (ifa != NULL)
+ if (ifa != NULL) {
IFA_ADDREF(ifa);
+ }
ifnet_head_done();
- return (ifa);
+ return ifa;
}
}
for (ifp = ifnet_head.tqh_first; ifp; ifp = ifp->if_link.tqe_next) {
ifnet_lock_shared(ifp);
for (ifa = ifp->if_addrhead.tqh_first; ifa;
- ifa = ifa->ifa_link.tqe_next) {
+ ifa = ifa->ifa_link.tqe_next) {
const char *cp, *cp2, *cp3;
IFA_LOCK(ifa);
IFA_UNLOCK(ifa);
continue;
}
-#ifndef __APPLE__
-/* This breaks tunneling application trying to install a route with
- * a specific subnet and the local address as the destination
- * It's breaks binary compatibility with previous version of MacOS X
- */
- if (
-#if INET6 /* XXX: for maching gif tunnel dst as routing entry gateway */
- addr->sa_family != AF_INET6 &&
-#endif
- ifp->if_flags & IFF_POINTOPOINT) {
- /*
- * This is a bit broken as it doesn't
- * take into account that the remote end may
- * be a single node in the network we are
- * looking for.
- * The trouble is that we don't know the
- * netmask for the remote end.
- */
- if (ifa->ifa_dstaddr != 0 &&
- equal(addr, ifa->ifa_dstaddr)) {
- IFA_ADDREF_LOCKED(ifa);
- IFA_UNLOCK(ifa);
- break;
- }
+ /*
+ * If we're looking up with a scope,
+ * find using a matching interface.
+ */
+ if (ifscope != IFSCOPE_NONE &&
+ ifp->if_index != ifscope) {
IFA_UNLOCK(ifa);
- } else
-#endif /* __APPLE__*/
- {
- /*
- * If we're looking up with a scope,
- * find using a matching interface.
- */
- if (ifscope != IFSCOPE_NONE &&
- ifp->if_index != ifscope) {
- IFA_UNLOCK(ifa);
- continue;
- }
+ continue;
+ }
- /*
- * Scan all the bits in the ifa's address.
- * If a bit dissagrees with what we are
- * looking for, mask it with the netmask
- * to see if it really matters.
- * (A byte at a time)
- */
- if (ifa->ifa_netmask == 0) {
- IFA_UNLOCK(ifa);
- continue;
+ /*
+ * Scan all the bits in the ifa's address.
+ * If a bit dissagrees with what we are
+ * looking for, mask it with the netmask
+ * to see if it really matters.
+ * (A byte at a time)
+ */
+ if (ifa->ifa_netmask == 0) {
+ IFA_UNLOCK(ifa);
+ continue;
+ }
+ cp = addr_data;
+ cp2 = ifa->ifa_addr->sa_data;
+ cp3 = ifa->ifa_netmask->sa_data;
+ cplim = ifa->ifa_netmask->sa_len +
+ (char *)ifa->ifa_netmask;
+ while (cp3 < cplim) {
+ if ((*cp++ ^ *cp2++) & *cp3++) {
+ goto next; /* next address! */
}
- cp = addr_data;
- cp2 = ifa->ifa_addr->sa_data;
- cp3 = ifa->ifa_netmask->sa_data;
- cplim = ifa->ifa_netmask->sa_len
- + (char *)ifa->ifa_netmask;
- while (cp3 < cplim)
- if ((*cp++ ^ *cp2++) & *cp3++)
- goto next; /* next address! */
- /*
- * If the netmask of what we just found
- * is more specific than what we had before
- * (if we had one) then remember the new one
- * before continuing to search
- * for an even better one.
- */
- if (ifa_maybe == NULL ||
- rn_refines((caddr_t)ifa->ifa_netmask,
- (caddr_t)ifa_maybe->ifa_netmask)) {
- IFA_ADDREF_LOCKED(ifa); /* ifa_maybe */
- IFA_UNLOCK(ifa);
- if (ifa_maybe != NULL)
- IFA_REMREF(ifa_maybe);
- ifa_maybe = ifa;
- } else {
- IFA_UNLOCK(ifa);
+ }
+ /*
+ * If the netmask of what we just found
+ * is more specific than what we had before
+ * (if we had one) then remember the new one
+ * before continuing to search
+ * for an even better one.
+ */
+ if (ifa_maybe == NULL ||
+ rn_refines((caddr_t)ifa->ifa_netmask,
+ (caddr_t)ifa_maybe->ifa_netmask)) {
+ IFA_ADDREF_LOCKED(ifa); /* ifa_maybe */
+ IFA_UNLOCK(ifa);
+ if (ifa_maybe != NULL) {
+ IFA_REMREF(ifa_maybe);
}
+ ifa_maybe = ifa;
+ } else {
+ IFA_UNLOCK(ifa);
}
IFA_LOCK_ASSERT_NOTHELD(ifa);
}
ifnet_lock_done(ifp);
- if (ifa != NULL)
+ if (ifa != NULL) {
break;
+ }
}
ifnet_head_done();
- if (ifa == NULL)
+ if (ifa == NULL) {
ifa = ifa_maybe;
- else if (ifa_maybe != NULL)
+ } else if (ifa_maybe != NULL) {
IFA_REMREF(ifa_maybe);
+ }
+
+ return ifa;
+}
+
+/*
+ * Find an interface address specific to an interface best matching
+ * a given address applying same source address selection rules
+ * as done in the kernel for implicit source address binding
+ */
+struct ifaddr *
+ifaof_ifpforaddr_select(const struct sockaddr *addr, struct ifnet *ifp)
+{
+ u_int af = addr->sa_family;
+
+ if (af == AF_INET6) {
+ return in6_selectsrc_core_ifa(__DECONST(struct sockaddr_in6 *, addr), ifp, 0);
+ }
- return (ifa);
+ return ifaof_ifpforaddr(addr, ifp);
}
/*
* Find an interface address specific to an interface best matching
- * a given address.
+ * a given address without regards to source address selection.
+ *
+ * This is appropriate for use-cases where we just want to update/init
+ * some data structure like routing table entries.
*/
struct ifaddr *
ifaof_ifpforaddr(const struct sockaddr *addr, struct ifnet *ifp)
struct ifaddr *better_ifa_maybe = NULL;
u_int af = addr->sa_family;
- if (af >= AF_MAX)
- return (NULL);
+ if (af >= AF_MAX) {
+ return NULL;
+ }
ifnet_lock_shared(ifp);
for (ifa = ifp->if_addrhead.tqh_first; ifa;
- ifa = ifa->ifa_link.tqe_next) {
+ ifa = ifa->ifa_link.tqe_next) {
IFA_LOCK(ifa);
if (ifa->ifa_addr->sa_family != af) {
IFA_UNLOCK(ifa);
continue;
}
if (ifa_maybe == NULL) {
- IFA_ADDREF_LOCKED(ifa); /* for ifa_maybe */
+ IFA_ADDREF_LOCKED(ifa); /* for ifa_maybe */
ifa_maybe = ifa;
}
if (ifa->ifa_netmask == 0) {
- if (equal(addr, ifa->ifa_addr) || (ifa->ifa_dstaddr &&
- equal(addr, ifa->ifa_dstaddr))) {
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ if (ifa_equal(addr, ifa->ifa_addr) ||
+ ifa_equal(addr, ifa->ifa_dstaddr)) {
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
continue;
}
if (ifp->if_flags & IFF_POINTOPOINT) {
- if (ifa->ifa_dstaddr && equal(addr, ifa->ifa_dstaddr)) {
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ if (ifa_equal(addr, ifa->ifa_dstaddr)) {
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
} else {
- if (equal(addr, ifa->ifa_addr)) {
+ if (ifa_equal(addr, ifa->ifa_addr)) {
/* exact match */
- IFA_ADDREF_LOCKED(ifa); /* for caller */
+ IFA_ADDREF_LOCKED(ifa); /* for caller */
IFA_UNLOCK(ifa);
break;
}
cp3 = ifa->ifa_netmask->sa_data;
cplim = ifa->ifa_netmask->sa_len +
(char *)ifa->ifa_netmask;
- for (; cp3 < cplim; cp3++)
- if ((*cp++ ^ *cp2++) & *cp3)
+ for (; cp3 < cplim; cp3++) {
+ if ((*cp++ ^ *cp2++) & *cp3) {
break;
+ }
+ }
if (cp3 == cplim) {
/* subnet match */
if (better_ifa_maybe == NULL) {
ifnet_lock_done(ifp);
- if (better_ifa_maybe != NULL)
+ if (better_ifa_maybe != NULL) {
IFA_REMREF(better_ifa_maybe);
- if (ifa_maybe != NULL)
+ }
+ if (ifa_maybe != NULL) {
IFA_REMREF(ifa_maybe);
+ }
- return (ifa);
+ return ifa;
}
#include <net/route.h>
struct ifnet *ifp;
void (*ifa_rtrequest)(int, struct rtentry *, struct sockaddr *);
- lck_mtx_assert(rnh_lock, LCK_MTX_ASSERT_OWNED);
+ LCK_MTX_ASSERT(rnh_lock, LCK_MTX_ASSERT_OWNED);
RT_LOCK_ASSERT_HELD(rt);
if (cmd != RTM_ADD || ((ifa = rt->rt_ifa) == 0) ||
- ((ifp = ifa->ifa_ifp) == 0) || ((dst = rt_key(rt)) == 0))
+ ((ifp = ifa->ifa_ifp) == 0) || ((dst = rt_key(rt)) == 0)) {
return;
+ }
/* Become a regular mutex, just in case */
RT_CONVERT_LOCK(rt);
IFA_LOCK_SPIN(ifa);
ifa_rtrequest = ifa->ifa_rtrequest;
IFA_UNLOCK(ifa);
- if (ifa_rtrequest != NULL && ifa_rtrequest != link_rtrequest)
+ if (ifa_rtrequest != NULL && ifa_rtrequest != link_rtrequest) {
ifa_rtrequest(cmd, rt, sa);
+ }
IFA_REMREF(ifa);
}
}
* up/down state and updating the rest of the flags.
*/
__private_extern__ void
-if_updown(
- struct ifnet *ifp,
- int up)
+if_updown( struct ifnet *ifp, int up)
{
+ u_int32_t eflags;
int i;
struct ifaddr **ifa;
- struct timespec tv;
+ struct timespec tv;
+ struct ifclassq *ifq = &ifp->if_snd;
/* Wait until no one else is changing the up/down state */
while ((ifp->if_eflags & IFEF_UPDOWNCHANGE) != 0) {
msleep(&ifp->if_eflags, NULL, 0, "if_updown", &tv);
ifnet_lock_exclusive(ifp);
}
-
+
/* Verify that the interface isn't already in the right state */
if ((!up && (ifp->if_flags & IFF_UP) == 0) ||
- (up && (ifp->if_flags & IFF_UP) == IFF_UP)) {
+ (up && (ifp->if_flags & IFF_UP) == IFF_UP)) {
return;
}
-
+
/* Indicate that the up/down state is changing */
- ifp->if_eflags |= IFEF_UPDOWNCHANGE;
-
+ eflags = if_set_eflags(ifp, IFEF_UPDOWNCHANGE);
+ ASSERT((eflags & IFEF_UPDOWNCHANGE) == 0);
+
/* Mark interface up or down */
if (up) {
ifp->if_flags |= IFF_UP;
- }
- else {
+ } else {
ifp->if_flags &= ~IFF_UP;
}
-
+
ifnet_touch_lastchange(ifp);
-
+ ifnet_touch_lastupdown(ifp);
+
/* Drop the lock to notify addresses and route */
ifnet_lock_done(ifp);
+
+ IFCQ_LOCK(ifq);
+ if_qflush(ifp, 1);
+
+ /* Inform all transmit queues about the new link state */
+ ifnet_update_sndq(ifq, up ? CLASSQ_EV_LINK_UP : CLASSQ_EV_LINK_DOWN);
+ IFCQ_UNLOCK(ifq);
+
if (ifnet_get_address_list(ifp, &ifa) == 0) {
for (i = 0; ifa[i] != 0; i++) {
pfctlinput(up ? PRC_IFUP : PRC_IFDOWN, ifa[i]->ifa_addr);
ifnet_free_address_list(ifa);
}
rt_ifmsg(ifp);
-
- /* Aquire the lock to clear the changing flag and flush the send queue */
+
+ /* Aquire the lock to clear the changing flag */
ifnet_lock_exclusive(ifp);
- if (!up)
- if_qflush(&ifp->if_snd);
- ifp->if_eflags &= ~IFEF_UPDOWNCHANGE;
+ if_clear_eflags(ifp, IFEF_UPDOWNCHANGE);
wakeup(&ifp->if_eflags);
-
- return;
}
/*
/*
* Flush an interface queue.
*/
-static void
-if_qflush(struct ifqueue *ifq)
+void
+if_qflush(struct ifnet *ifp, int ifq_locked)
+{
+ struct ifclassq *ifq = &ifp->if_snd;
+
+ if (!ifq_locked) {
+ IFCQ_LOCK(ifq);
+ }
+
+ if (IFCQ_IS_ENABLED(ifq)) {
+ fq_if_request_classq(ifq, CLASSQRQ_PURGE, NULL);
+ }
+
+ VERIFY(IFCQ_IS_EMPTY(ifq));
+
+ if (!ifq_locked) {
+ IFCQ_UNLOCK(ifq);
+ }
+}
+
+void
+if_qflush_sc(struct ifnet *ifp, mbuf_svc_class_t sc, u_int32_t flow,
+ u_int32_t *packets, u_int32_t *bytes, int ifq_locked)
{
- struct mbuf *m, *n;
+ struct ifclassq *ifq = &ifp->if_snd;
+ u_int32_t cnt = 0, len = 0;
+
+ VERIFY(sc == MBUF_SC_UNSPEC || MBUF_VALID_SC(sc));
+ VERIFY(flow != 0);
+
+ if (!ifq_locked) {
+ IFCQ_LOCK(ifq);
+ }
- n = ifq->ifq_head;
- while ((m = n) != 0) {
- n = m->m_act;
- m_freem(m);
+ if (IFCQ_IS_ENABLED(ifq)) {
+ cqrq_purge_sc_t req = { sc, flow, 0, 0 };
+
+ fq_if_request_classq(ifq, CLASSQRQ_PURGE_SC, &req);
+ cnt = req.packets;
+ len = req.bytes;
+ }
+
+ if (!ifq_locked) {
+ IFCQ_UNLOCK(ifq);
+ }
+
+ if (packets != NULL) {
+ *packets = cnt;
+ }
+ if (bytes != NULL) {
+ *bytes = len;
}
- ifq->ifq_head = NULL;
- ifq->ifq_tail = NULL;
- ifq->ifq_len = 0;
}
/*
- * Map interface name to
- * interface structure pointer.
+ * Extracts interface unit number and name from string, returns -1 upon failure.
+ * Upon success, returns extracted unit number, and interface name in dst.
*/
-struct ifnet *
-ifunit(const char *name)
+int
+ifunit_extract(const char *src, char *dst, size_t dstlen, int *unit)
{
- char namebuf[IFNAMSIZ + 1];
const char *cp;
- struct ifnet *ifp;
- int unit;
- unsigned len, m;
+ size_t len, m;
char c;
+ int u;
+
+ if (src == NULL || dst == NULL || dstlen == 0 || unit == NULL) {
+ return -1;
+ }
- len = strlen(name);
- if (len < 2 || len > IFNAMSIZ)
- return (NULL);
- cp = name + len - 1;
+ len = strlen(src);
+ if (len < 2 || len > dstlen) {
+ return -1;
+ }
+ cp = src + len - 1;
c = *cp;
- if (c < '0' || c > '9')
- return (NULL); /* trailing garbage */
- unit = 0;
+ if (c < '0' || c > '9') {
+ return -1; /* trailing garbage */
+ }
+ u = 0;
m = 1;
do {
- if (cp == name)
- return (NULL); /* no interface name */
- unit += (c - '0') * m;
- if (unit > 1000000)
- return (NULL); /* number is unreasonable */
+ if (cp == src) {
+ return -1; /* no interface name */
+ }
+ u += (c - '0') * m;
+ if (u > 1000000) {
+ return -1; /* number is unreasonable */
+ }
m *= 10;
c = *--cp;
} while (c >= '0' && c <= '9');
- len = cp - name + 1;
- bcopy(name, namebuf, len);
- namebuf[len] = '\0';
- /*
- * Now search all the interfaces for this name/number
- */
- ifnet_head_lock_shared();
+ len = cp - src + 1;
+ bcopy(src, dst, len);
+ dst[len] = '\0';
+ *unit = u;
+
+ return 0;
+}
+
+/*
+ * Map interface name to
+ * interface structure pointer.
+ */
+static struct ifnet *
+ifunit_common(const char *name, boolean_t hold)
+{
+ char namebuf[IFNAMSIZ + 1];
+ struct ifnet *ifp;
+ int unit;
+
+ if (ifunit_extract(name, namebuf, sizeof(namebuf), &unit) < 0) {
+ return NULL;
+ }
+
+ /* for safety, since we use strcmp() below */
+ namebuf[sizeof(namebuf) - 1] = '\0';
+
+ /*
+ * Now search all the interfaces for this name/number
+ */
+ ifnet_head_lock_shared();
TAILQ_FOREACH(ifp, &ifnet_head, if_link) {
- if (strncmp(ifp->if_name, namebuf, len))
+ /*
+ * Use strcmp() rather than strncmp() here,
+ * since we want to match the entire string.
+ */
+ if (strcmp(ifp->if_name, namebuf)) {
continue;
- if (unit == ifp->if_unit)
+ }
+ if (unit == ifp->if_unit) {
break;
+ }
+ }
+
+ /* if called from ifunit_ref() and ifnet is not attached, bail */
+ if (hold && ifp != NULL && !ifnet_is_attached(ifp, 1)) {
+ ifp = NULL;
}
+
ifnet_head_done();
- return (ifp);
+ return ifp;
+}
+
+struct ifnet *
+ifunit(const char *name)
+{
+ return ifunit_common(name, FALSE);
}
+/*
+ * Similar to ifunit(), except that we hold an I/O reference count on an
+ * attached interface, which must later be released via ifnet_decr_iorefcnt().
+ * Will return NULL unless interface exists and is fully attached.
+ */
+struct ifnet *
+ifunit_ref(const char *name)
+{
+ return ifunit_common(name, TRUE);
+}
/*
* Map interface name in a sockaddr_dl to
struct ifnet *
if_withname(struct sockaddr *sa)
{
- char ifname[IFNAMSIZ+1];
- struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
+ char ifname[IFNAMSIZ + 1];
+ struct sockaddr_dl *sdl = (struct sockaddr_dl *)(void *)sa;
- if ( (sa->sa_family != AF_LINK) || (sdl->sdl_nlen == 0) ||
- (sdl->sdl_nlen > IFNAMSIZ) )
- return (NULL);
+ if ((sa->sa_family != AF_LINK) || (sdl->sdl_nlen == 0) ||
+ (sdl->sdl_nlen > IFNAMSIZ)) {
+ return NULL;
+ }
/*
* ifunit wants a null-terminated name. It may not be null-terminated
bcopy(sdl->sdl_data, ifname, sdl->sdl_nlen);
ifname[sdl->sdl_nlen] = '\0';
- return (ifunit(ifname));
+ return ifunit(ifname);
+}
+
+static __attribute__((noinline)) int
+ifioctl_ifconf(u_long cmd, caddr_t data)
+{
+ int error = 0;
+
+ switch (cmd) {
+ case OSIOCGIFCONF32: /* struct ifconf32 */
+ case SIOCGIFCONF32: { /* struct ifconf32 */
+ struct ifconf32 ifc;
+ bcopy(data, &ifc, sizeof(ifc));
+ error = ifconf(cmd, CAST_USER_ADDR_T(ifc.ifc_req),
+ &ifc.ifc_len);
+ bcopy(&ifc, data, sizeof(ifc));
+ break;
+ }
+
+ case SIOCGIFCONF64: /* struct ifconf64 */
+ case OSIOCGIFCONF64: { /* struct ifconf64 */
+ struct ifconf64 ifc;
+ bcopy(data, &ifc, sizeof(ifc));
+ error = ifconf(cmd, ifc.ifc_req, &ifc.ifc_len);
+ bcopy(&ifc, data, sizeof(ifc));
+ break;
+ }
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_ifclone(u_long cmd, caddr_t data)
+{
+ int error = 0;
+
+ switch (cmd) {
+ case SIOCIFGCLONERS32: { /* struct if_clonereq32 */
+ struct if_clonereq32 ifcr;
+ bcopy(data, &ifcr, sizeof(ifcr));
+ error = if_clone_list(ifcr.ifcr_count, &ifcr.ifcr_total,
+ CAST_USER_ADDR_T(ifcr.ifcru_buffer));
+ bcopy(&ifcr, data, sizeof(ifcr));
+ break;
+ }
+
+ case SIOCIFGCLONERS64: { /* struct if_clonereq64 */
+ struct if_clonereq64 ifcr;
+ bcopy(data, &ifcr, sizeof(ifcr));
+ error = if_clone_list(ifcr.ifcr_count, &ifcr.ifcr_total,
+ ifcr.ifcru_buffer);
+ bcopy(&ifcr, data, sizeof(ifcr));
+ break;
+ }
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_ifdesc(struct ifnet *ifp, u_long cmd, caddr_t data, struct proc *p)
+{
+ struct if_descreq *ifdr = (struct if_descreq *)(void *)data;
+ u_int32_t ifdr_len;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ switch (cmd) {
+ case SIOCSIFDESC: { /* struct if_descreq */
+ if ((error = proc_suser(p)) != 0) {
+ break;
+ }
+
+ ifnet_lock_exclusive(ifp);
+ bcopy(&ifdr->ifdr_len, &ifdr_len, sizeof(ifdr_len));
+ if (ifdr_len > sizeof(ifdr->ifdr_desc) ||
+ ifdr_len > ifp->if_desc.ifd_maxlen) {
+ error = EINVAL;
+ ifnet_lock_done(ifp);
+ break;
+ }
+
+ bzero(ifp->if_desc.ifd_desc, ifp->if_desc.ifd_maxlen);
+ if ((ifp->if_desc.ifd_len = ifdr_len) > 0) {
+ bcopy(ifdr->ifdr_desc, ifp->if_desc.ifd_desc,
+ MIN(ifdr_len, ifp->if_desc.ifd_maxlen));
+ }
+ ifnet_lock_done(ifp);
+ break;
+ }
+
+ case SIOCGIFDESC: { /* struct if_descreq */
+ ifnet_lock_shared(ifp);
+ ifdr_len = MIN(ifp->if_desc.ifd_len, sizeof(ifdr->ifdr_desc));
+ bcopy(&ifdr_len, &ifdr->ifdr_len, sizeof(ifdr_len));
+ bzero(&ifdr->ifdr_desc, sizeof(ifdr->ifdr_desc));
+ if (ifdr_len > 0) {
+ bcopy(ifp->if_desc.ifd_desc, ifdr->ifdr_desc, ifdr_len);
+ }
+ ifnet_lock_done(ifp);
+ break;
+ }
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_linkparams(struct ifnet *ifp, u_long cmd, caddr_t data, struct proc *p)
+{
+ struct if_linkparamsreq *iflpr =
+ (struct if_linkparamsreq *)(void *)data;
+ struct ifclassq *ifq;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+ ifq = &ifp->if_snd;
+
+ switch (cmd) {
+ case SIOCSIFLINKPARAMS: { /* struct if_linkparamsreq */
+ struct tb_profile tb = { .rate = 0, .percent = 0, .depth = 0 };
+
+ if ((error = proc_suser(p)) != 0) {
+ break;
+ }
+
+
+ char netem_name[32];
+ (void) snprintf(netem_name, sizeof(netem_name),
+ "if_output_netem_%s", if_name(ifp));
+ error = netem_config(&ifp->if_output_netem, netem_name,
+ &iflpr->iflpr_output_netem, (void *)ifp,
+ ifnet_enqueue_netem, NETEM_MAX_BATCH_SIZE);
+ if (error != 0) {
+ break;
+ }
+
+ IFCQ_LOCK(ifq);
+ if (!IFCQ_IS_READY(ifq)) {
+ error = ENXIO;
+ IFCQ_UNLOCK(ifq);
+ break;
+ }
+ bcopy(&iflpr->iflpr_output_tbr_rate, &tb.rate,
+ sizeof(tb.rate));
+ bcopy(&iflpr->iflpr_output_tbr_percent, &tb.percent,
+ sizeof(tb.percent));
+ error = ifclassq_tbr_set(ifq, &tb, TRUE);
+ IFCQ_UNLOCK(ifq);
+ break;
+ }
+
+ case SIOCGIFLINKPARAMS: { /* struct if_linkparamsreq */
+ u_int32_t sched_type = PKTSCHEDT_NONE, flags = 0;
+ u_int64_t tbr_bw = 0, tbr_pct = 0;
+
+ IFCQ_LOCK(ifq);
+
+ if (IFCQ_IS_ENABLED(ifq)) {
+ sched_type = ifq->ifcq_type;
+ }
+
+ bcopy(&sched_type, &iflpr->iflpr_output_sched,
+ sizeof(iflpr->iflpr_output_sched));
+
+ if (IFCQ_TBR_IS_ENABLED(ifq)) {
+ tbr_bw = ifq->ifcq_tbr.tbr_rate_raw;
+ tbr_pct = ifq->ifcq_tbr.tbr_percent;
+ }
+ bcopy(&tbr_bw, &iflpr->iflpr_output_tbr_rate,
+ sizeof(iflpr->iflpr_output_tbr_rate));
+ bcopy(&tbr_pct, &iflpr->iflpr_output_tbr_percent,
+ sizeof(iflpr->iflpr_output_tbr_percent));
+ IFCQ_UNLOCK(ifq);
+
+ if (ifp->if_output_sched_model ==
+ IFNET_SCHED_MODEL_DRIVER_MANAGED) {
+ flags |= IFLPRF_DRVMANAGED;
+ }
+ bcopy(&flags, &iflpr->iflpr_flags, sizeof(iflpr->iflpr_flags));
+ bcopy(&ifp->if_output_bw, &iflpr->iflpr_output_bw,
+ sizeof(iflpr->iflpr_output_bw));
+ bcopy(&ifp->if_input_bw, &iflpr->iflpr_input_bw,
+ sizeof(iflpr->iflpr_input_bw));
+ bcopy(&ifp->if_output_lt, &iflpr->iflpr_output_lt,
+ sizeof(iflpr->iflpr_output_lt));
+ bcopy(&ifp->if_input_lt, &iflpr->iflpr_input_lt,
+ sizeof(iflpr->iflpr_input_lt));
+
+ if (ifp->if_output_netem != NULL) {
+ netem_get_params(ifp->if_output_netem,
+ &iflpr->iflpr_output_netem);
+ }
+
+ break;
+ }
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_qstats(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ struct if_qstatsreq *ifqr = (struct if_qstatsreq *)(void *)data;
+ u_int32_t ifqr_len, ifqr_slot;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ switch (cmd) {
+ case SIOCGIFQUEUESTATS: { /* struct if_qstatsreq */
+ bcopy(&ifqr->ifqr_slot, &ifqr_slot, sizeof(ifqr_slot));
+ bcopy(&ifqr->ifqr_len, &ifqr_len, sizeof(ifqr_len));
+ error = ifclassq_getqstats(&ifp->if_snd, ifqr_slot,
+ ifqr->ifqr_buf, &ifqr_len);
+ if (error != 0) {
+ ifqr_len = 0;
+ }
+ bcopy(&ifqr_len, &ifqr->ifqr_len, sizeof(ifqr_len));
+ break;
+ }
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_throttle(struct ifnet *ifp, u_long cmd, caddr_t data, struct proc *p)
+{
+ struct if_throttlereq *ifthr = (struct if_throttlereq *)(void *)data;
+ u_int32_t ifthr_level;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ switch (cmd) {
+ case SIOCSIFTHROTTLE: { /* struct if_throttlereq */
+ /*
+ * XXX: Use priv_check_cred() instead of root check?
+ */
+ if ((error = proc_suser(p)) != 0) {
+ break;
+ }
+
+ bcopy(&ifthr->ifthr_level, &ifthr_level, sizeof(ifthr_level));
+ error = ifnet_set_throttle(ifp, ifthr_level);
+ if (error == EALREADY) {
+ error = 0;
+ }
+ break;
+ }
+
+ case SIOCGIFTHROTTLE: { /* struct if_throttlereq */
+ if ((error = ifnet_get_throttle(ifp, &ifthr_level)) == 0) {
+ bcopy(&ifthr_level, &ifthr->ifthr_level,
+ sizeof(ifthr_level));
+ }
+ break;
+ }
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static int
+ifioctl_getnetagents(struct ifnet *ifp, u_int32_t *count, user_addr_t uuid_p)
+{
+ int error = 0;
+ u_int32_t index = 0;
+ u_int32_t valid_netagent_count = 0;
+ *count = 0;
+
+ ifnet_lock_assert(ifp, IFNET_LCK_ASSERT_SHARED);
+
+ if (ifp->if_agentids != NULL) {
+ for (index = 0; index < ifp->if_agentcount; index++) {
+ uuid_t *netagent_uuid = &(ifp->if_agentids[index]);
+ if (!uuid_is_null(*netagent_uuid)) {
+ if (uuid_p != USER_ADDR_NULL) {
+ error = copyout(netagent_uuid,
+ uuid_p + sizeof(uuid_t) * valid_netagent_count,
+ sizeof(uuid_t));
+ if (error != 0) {
+ return error;
+ }
+ }
+ valid_netagent_count++;
+ }
+ }
+ }
+ *count = valid_netagent_count;
+
+ return 0;
+}
+
+#define IF_MAXAGENTS 64
+#define IF_AGENT_INCREMENT 8
+int
+if_add_netagent_locked(struct ifnet *ifp, uuid_t new_agent_uuid)
+{
+ VERIFY(ifp != NULL);
+
+ uuid_t *first_empty_slot = NULL;
+ u_int32_t index = 0;
+ bool already_added = FALSE;
+
+ if (ifp->if_agentids != NULL) {
+ for (index = 0; index < ifp->if_agentcount; index++) {
+ uuid_t *netagent_uuid = &(ifp->if_agentids[index]);
+ if (uuid_compare(*netagent_uuid, new_agent_uuid) == 0) {
+ /* Already present, ignore */
+ already_added = TRUE;
+ break;
+ }
+ if (first_empty_slot == NULL &&
+ uuid_is_null(*netagent_uuid)) {
+ first_empty_slot = netagent_uuid;
+ }
+ }
+ }
+ if (already_added) {
+ /* Already added agent, don't return an error */
+ return 0;
+ }
+ if (first_empty_slot == NULL) {
+ if (ifp->if_agentcount >= IF_MAXAGENTS) {
+ /* No room for another netagent UUID, bail */
+ return ENOMEM;
+ } else {
+ /* Calculate new array size */
+ u_int32_t new_agent_count =
+ MIN(ifp->if_agentcount + IF_AGENT_INCREMENT,
+ IF_MAXAGENTS);
+
+ /* Reallocate array */
+ uuid_t *new_agent_array = _REALLOC(ifp->if_agentids,
+ sizeof(uuid_t) * new_agent_count, M_NETAGENT,
+ M_WAITOK | M_ZERO);
+ if (new_agent_array == NULL) {
+ return ENOMEM;
+ }
+
+ /* Save new array */
+ ifp->if_agentids = new_agent_array;
+
+ /* Set first empty slot */
+ first_empty_slot =
+ &(ifp->if_agentids[ifp->if_agentcount]);
+
+ /* Save new array length */
+ ifp->if_agentcount = new_agent_count;
+ }
+ }
+ uuid_copy(*first_empty_slot, new_agent_uuid);
+ netagent_post_updated_interfaces(new_agent_uuid);
+ return 0;
+}
+
+int
+if_add_netagent(struct ifnet *ifp, uuid_t new_agent_uuid)
+{
+ VERIFY(ifp != NULL);
+
+ ifnet_lock_exclusive(ifp);
+
+ int error = if_add_netagent_locked(ifp, new_agent_uuid);
+
+ ifnet_lock_done(ifp);
+
+ return error;
+}
+
+static int
+if_delete_netagent_locked(struct ifnet *ifp, uuid_t remove_agent_uuid)
+{
+ u_int32_t index = 0;
+ bool removed_agent_id = FALSE;
+
+ if (ifp->if_agentids != NULL) {
+ for (index = 0; index < ifp->if_agentcount; index++) {
+ uuid_t *netagent_uuid = &(ifp->if_agentids[index]);
+ if (uuid_compare(*netagent_uuid,
+ remove_agent_uuid) == 0) {
+ uuid_clear(*netagent_uuid);
+ removed_agent_id = TRUE;
+ break;
+ }
+ }
+ }
+ if (removed_agent_id) {
+ netagent_post_updated_interfaces(remove_agent_uuid);
+ }
+
+ return 0;
+}
+
+int
+if_delete_netagent(struct ifnet *ifp, uuid_t remove_agent_uuid)
+{
+ VERIFY(ifp != NULL);
+
+ ifnet_lock_exclusive(ifp);
+
+ int error = if_delete_netagent_locked(ifp, remove_agent_uuid);
+
+ ifnet_lock_done(ifp);
+
+ return error;
+}
+
+boolean_t
+if_check_netagent(struct ifnet *ifp, uuid_t find_agent_uuid)
+{
+ boolean_t found = FALSE;
+
+ if (!ifp || uuid_is_null(find_agent_uuid)) {
+ return FALSE;
+ }
+
+ ifnet_lock_shared(ifp);
+
+ if (ifp->if_agentids != NULL) {
+ for (uint32_t index = 0; index < ifp->if_agentcount; index++) {
+ if (uuid_compare(ifp->if_agentids[index], find_agent_uuid) == 0) {
+ found = TRUE;
+ break;
+ }
+ }
+ }
+
+ ifnet_lock_done(ifp);
+
+ return found;
+}
+
+static __attribute__((noinline)) int
+ifioctl_netagent(struct ifnet *ifp, u_long cmd, caddr_t data, struct proc *p)
+{
+ struct if_agentidreq *ifar = (struct if_agentidreq *)(void *)data;
+ union {
+ struct if_agentidsreq32 s32;
+ struct if_agentidsreq64 s64;
+ } u;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ /* Get an io ref count if the interface is attached */
+ if (!ifnet_is_attached(ifp, 1)) {
+ return EOPNOTSUPP;
+ }
+
+ if (cmd == SIOCAIFAGENTID ||
+ cmd == SIOCDIFAGENTID) {
+ ifnet_lock_exclusive(ifp);
+ } else {
+ ifnet_lock_shared(ifp);
+ }
+
+ switch (cmd) {
+ case SIOCAIFAGENTID: { /* struct if_agentidreq */
+ // TODO: Use priv_check_cred() instead of root check
+ if ((error = proc_suser(p)) != 0) {
+ break;
+ }
+ error = if_add_netagent_locked(ifp, ifar->ifar_uuid);
+ break;
+ }
+ case SIOCDIFAGENTID: { /* struct if_agentidreq */
+ // TODO: Use priv_check_cred() instead of root check
+ if ((error = proc_suser(p)) != 0) {
+ break;
+ }
+ error = if_delete_netagent_locked(ifp, ifar->ifar_uuid);
+ break;
+ }
+ case SIOCGIFAGENTIDS32: { /* struct if_agentidsreq32 */
+ bcopy(data, &u.s32, sizeof(u.s32));
+ error = ifioctl_getnetagents(ifp, &u.s32.ifar_count,
+ u.s32.ifar_uuids);
+ if (error == 0) {
+ bcopy(&u.s32, data, sizeof(u.s32));
+ }
+ break;
+ }
+ case SIOCGIFAGENTIDS64: { /* struct if_agentidsreq64 */
+ bcopy(data, &u.s64, sizeof(u.s64));
+ error = ifioctl_getnetagents(ifp, &u.s64.ifar_count,
+ u.s64.ifar_uuids);
+ if (error == 0) {
+ bcopy(&u.s64, data, sizeof(u.s64));
+ }
+ break;
+ }
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ ifnet_lock_done(ifp);
+ ifnet_decr_iorefcnt(ifp);
+
+ return error;
+}
+
+void
+ifnet_clear_netagent(uuid_t netagent_uuid)
+{
+ struct ifnet *ifp = NULL;
+ u_int32_t index = 0;
+
+ ifnet_head_lock_shared();
+
+ TAILQ_FOREACH(ifp, &ifnet_head, if_link) {
+ ifnet_lock_shared(ifp);
+ if (ifp->if_agentids != NULL) {
+ for (index = 0; index < ifp->if_agentcount; index++) {
+ uuid_t *ifp_netagent_uuid = &(ifp->if_agentids[index]);
+ if (uuid_compare(*ifp_netagent_uuid, netagent_uuid) == 0) {
+ uuid_clear(*ifp_netagent_uuid);
+ }
+ }
+ }
+ ifnet_lock_done(ifp);
+ }
+
+ ifnet_head_done();
+}
+
+void
+ifnet_increment_generation(ifnet_t interface)
+{
+ OSIncrementAtomic(&interface->if_generation);
+}
+
+u_int32_t
+ifnet_get_generation(ifnet_t interface)
+{
+ return interface->if_generation;
+}
+
+void
+ifnet_remove_from_ordered_list(struct ifnet *ifp)
+{
+ ifnet_head_assert_exclusive();
+
+ // Remove from list
+ TAILQ_REMOVE(&ifnet_ordered_head, ifp, if_ordered_link);
+ ifp->if_ordered_link.tqe_next = NULL;
+ ifp->if_ordered_link.tqe_prev = NULL;
+
+ // Update ordered count
+ VERIFY(if_ordered_count > 0);
+ if_ordered_count--;
+}
+
+static int
+ifnet_reset_order(u_int32_t *ordered_indices, u_int32_t count)
+{
+ struct ifnet *ifp = NULL;
+ int error = 0;
+
+ ifnet_head_lock_exclusive();
+ for (u_int32_t order_index = 0; order_index < count; order_index++) {
+ if (ordered_indices[order_index] == IFSCOPE_NONE ||
+ ordered_indices[order_index] > (uint32_t)if_index) {
+ error = EINVAL;
+ ifnet_head_done();
+ return error;
+ }
+ }
+ // Flush current ordered list
+ for (ifp = TAILQ_FIRST(&ifnet_ordered_head); ifp != NULL;
+ ifp = TAILQ_FIRST(&ifnet_ordered_head)) {
+ ifnet_lock_exclusive(ifp);
+ ifnet_remove_from_ordered_list(ifp);
+ ifnet_lock_done(ifp);
+ }
+
+ VERIFY(if_ordered_count == 0);
+
+ for (u_int32_t order_index = 0; order_index < count; order_index++) {
+ u_int32_t interface_index = ordered_indices[order_index];
+ ifp = ifindex2ifnet[interface_index];
+ if (ifp == NULL) {
+ continue;
+ }
+ ifnet_lock_exclusive(ifp);
+ TAILQ_INSERT_TAIL(&ifnet_ordered_head, ifp, if_ordered_link);
+ ifnet_lock_done(ifp);
+ if_ordered_count++;
+ }
+
+ ifnet_head_done();
+
+ necp_update_all_clients();
+
+ return error;
+}
+
+int
+if_set_qosmarking_mode(struct ifnet *ifp, u_int32_t mode)
+{
+ int error = 0;
+ u_int32_t old_mode = ifp->if_qosmarking_mode;
+
+ switch (mode) {
+ case IFRTYPE_QOSMARKING_MODE_NONE:
+ ifp->if_qosmarking_mode = IFRTYPE_QOSMARKING_MODE_NONE;
+ break;
+ case IFRTYPE_QOSMARKING_FASTLANE:
+ case IFRTYPE_QOSMARKING_RFC4594:
+ ifp->if_qosmarking_mode = mode;
+ break;
+ default:
+ error = EINVAL;
+ break;
+ }
+ if (error == 0 && old_mode != ifp->if_qosmarking_mode) {
+ dlil_post_msg(ifp, KEV_DL_SUBCLASS, KEV_DL_QOS_MODE_CHANGED,
+ NULL, 0);
+ }
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_iforder(u_long cmd, caddr_t data)
+{
+ int error = 0;
+ u_int32_t *ordered_indices = NULL;
+ if (data == NULL) {
+ return EINVAL;
+ }
+
+ switch (cmd) {
+ case SIOCSIFORDER: { /* struct if_order */
+ struct if_order *ifo = (struct if_order *)(void *)data;
+
+ if (ifo->ifo_count > (u_int32_t)if_index) {
+ error = EINVAL;
+ break;
+ }
+
+ size_t length = (ifo->ifo_count * sizeof(u_int32_t));
+ if (length > 0) {
+ if (ifo->ifo_ordered_indices == USER_ADDR_NULL) {
+ error = EINVAL;
+ break;
+ }
+ ordered_indices = _MALLOC(length, M_NECP, M_WAITOK);
+ if (ordered_indices == NULL) {
+ error = ENOMEM;
+ break;
+ }
+
+ error = copyin(ifo->ifo_ordered_indices,
+ ordered_indices, length);
+ if (error != 0) {
+ break;
+ }
+
+ /* ordered_indices should not contain duplicates */
+ bool found_duplicate = FALSE;
+ for (uint32_t i = 0; i < (ifo->ifo_count - 1) && !found_duplicate; i++) {
+ for (uint32_t j = i + 1; j < ifo->ifo_count && !found_duplicate; j++) {
+ if (ordered_indices[j] == ordered_indices[i]) {
+ error = EINVAL;
+ found_duplicate = TRUE;
+ break;
+ }
+ }
+ }
+ if (found_duplicate) {
+ break;
+ }
+
+ error = ifnet_reset_order(ordered_indices, ifo->ifo_count);
+ } else {
+ // Clear the list
+ error = ifnet_reset_order(NULL, 0);
+ }
+ break;
+ }
+
+ default: {
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ }
+
+ if (ordered_indices != NULL) {
+ _FREE(ordered_indices, M_NECP);
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_networkid(struct ifnet *ifp, caddr_t data)
+{
+ struct if_netidreq *ifnetidr = (struct if_netidreq *)(void *)data;
+ int error = 0;
+ int len = ifnetidr->ifnetid_len;
+
+ VERIFY(ifp != NULL);
+
+ if (len > sizeof(ifnetidr->ifnetid)) {
+ error = EINVAL;
+ goto end;
+ }
+
+ if (len == 0) {
+ bzero(&ifp->network_id, sizeof(ifp->network_id));
+ } else if (len > sizeof(ifp->network_id)) {
+ error = EINVAL;
+ goto end;
+ }
+
+ ifp->network_id_len = len;
+ bcopy(data, ifp->network_id, len);
+end:
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_netsignature(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ struct if_nsreq *ifnsr = (struct if_nsreq *)(void *)data;
+ u_int16_t flags;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ switch (cmd) {
+ case SIOCSIFNETSIGNATURE: /* struct if_nsreq */
+ if (ifnsr->ifnsr_len > sizeof(ifnsr->ifnsr_data)) {
+ error = EINVAL;
+ break;
+ }
+ bcopy(&ifnsr->ifnsr_flags, &flags, sizeof(flags));
+ error = ifnet_set_netsignature(ifp, ifnsr->ifnsr_family,
+ ifnsr->ifnsr_len, flags, ifnsr->ifnsr_data);
+ break;
+
+ case SIOCGIFNETSIGNATURE: /* struct if_nsreq */
+ ifnsr->ifnsr_len = sizeof(ifnsr->ifnsr_data);
+ error = ifnet_get_netsignature(ifp, ifnsr->ifnsr_family,
+ &ifnsr->ifnsr_len, &flags, ifnsr->ifnsr_data);
+ if (error == 0) {
+ bcopy(&flags, &ifnsr->ifnsr_flags, sizeof(flags));
+ } else {
+ ifnsr->ifnsr_len = 0;
+ }
+ break;
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_nat64prefix(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ struct if_nat64req *ifnat64 = (struct if_nat64req *)(void *)data;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ switch (cmd) {
+ case SIOCSIFNAT64PREFIX: /* struct if_nat64req */
+ error = ifnet_set_nat64prefix(ifp, ifnat64->ifnat64_prefixes);
+ if (error != 0) {
+ ip6stat.ip6s_clat464_plat64_pfx_setfail++;
+ }
+ break;
+
+ case SIOCGIFNAT64PREFIX: /* struct if_nat64req */
+ error = ifnet_get_nat64prefix(ifp, ifnat64->ifnat64_prefixes);
+ if (error != 0) {
+ ip6stat.ip6s_clat464_plat64_pfx_getfail++;
+ }
+ break;
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_clat46addr(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ struct if_clat46req *ifclat46 = (struct if_clat46req *)(void *)data;
+ struct in6_ifaddr *ia6_clat = NULL;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ switch (cmd) {
+ case SIOCGIFCLAT46ADDR:
+ ia6_clat = in6ifa_ifpwithflag(ifp, IN6_IFF_CLAT46);
+ if (ia6_clat == NULL) {
+ error = ENOENT;
+ break;
+ }
+
+ bcopy(&ia6_clat->ia_addr.sin6_addr, &ifclat46->ifclat46_addr.v6_address,
+ sizeof(ifclat46->ifclat46_addr.v6_address));
+ ifclat46->ifclat46_addr.v6_prefixlen = ia6_clat->ia_plen;
+ IFA_REMREF(&ia6_clat->ia_ifa);
+ break;
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+
+static int
+ifioctl_get_protolist(struct ifnet *ifp, u_int32_t * ret_count,
+ user_addr_t ifpl)
+{
+ u_int32_t actual_count;
+ u_int32_t count;
+ int error = 0;
+ u_int32_t *list = NULL;
+
+ /* find out how many */
+ count = if_get_protolist(ifp, NULL, 0);
+ if (ifpl == USER_ADDR_NULL) {
+ goto done;
+ }
+
+ /* copy out how many there's space for */
+ if (*ret_count < count) {
+ count = *ret_count;
+ }
+ if (count == 0) {
+ goto done;
+ }
+ list = _MALLOC(count * sizeof(*list), M_TEMP, M_WAITOK | M_ZERO);
+ if (list == NULL) {
+ error = ENOMEM;
+ goto done;
+ }
+ actual_count = if_get_protolist(ifp, list, count);
+ if (actual_count < count) {
+ count = actual_count;
+ }
+ if (count != 0) {
+ error = copyout((caddr_t)list, ifpl, count * sizeof(*list));
+ }
+
+done:
+ if (list != NULL) {
+ if_free_protolist(list);
+ }
+ *ret_count = count;
+ return error;
+}
+
+static __attribute__((noinline)) int
+ifioctl_protolist(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ int error = 0;
+
+ switch (cmd) {
+ case SIOCGIFPROTOLIST32: { /* struct if_protolistreq32 */
+ struct if_protolistreq32 ifpl;
+
+ bcopy(data, &ifpl, sizeof(ifpl));
+ if (ifpl.ifpl_reserved != 0) {
+ error = EINVAL;
+ break;
+ }
+ error = ifioctl_get_protolist(ifp, &ifpl.ifpl_count,
+ CAST_USER_ADDR_T(ifpl.ifpl_list));
+ bcopy(&ifpl, data, sizeof(ifpl));
+ break;
+ }
+ case SIOCGIFPROTOLIST64: { /* struct if_protolistreq64 */
+ struct if_protolistreq64 ifpl;
+
+ bcopy(data, &ifpl, sizeof(ifpl));
+ if (ifpl.ifpl_reserved != 0) {
+ error = EINVAL;
+ break;
+ }
+ error = ifioctl_get_protolist(ifp, &ifpl.ifpl_count,
+ ifpl.ifpl_list);
+ bcopy(&ifpl, data, sizeof(ifpl));
+ break;
+ }
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return error;
+}
+
+/*
+ * List the ioctl()s we can perform on restricted INTCOPROC interfaces.
+ */
+static bool
+ifioctl_restrict_intcoproc(unsigned long cmd, const char *ifname,
+ struct ifnet *ifp, struct proc *p)
+{
+ if (intcoproc_unrestricted == TRUE) {
+ return false;
+ }
+ if (proc_pid(p) == 0) {
+ return false;
+ }
+ if (ifname) {
+ ifp = ifunit(ifname);
+ }
+ if (ifp == NULL) {
+ return false;
+ }
+ if (!IFNET_IS_INTCOPROC(ifp)) {
+ return false;
+ }
+ switch (cmd) {
+ case SIOCGIFBRDADDR:
+ case SIOCGIFCONF32:
+ case SIOCGIFCONF64:
+ case SIOCGIFFLAGS:
+ case SIOCGIFEFLAGS:
+ case SIOCGIFCAP:
+ case SIOCGIFMETRIC:
+ case SIOCGIFMTU:
+ case SIOCGIFPHYS:
+ case SIOCGIFTYPE:
+ case SIOCGIFFUNCTIONALTYPE:
+ case SIOCGIFPSRCADDR:
+ case SIOCGIFPDSTADDR:
+ case SIOCGIFGENERIC:
+ case SIOCGIFDEVMTU:
+ case SIOCGIFVLAN:
+ case SIOCGIFBOND:
+ case SIOCGIFWAKEFLAGS:
+ case SIOCGIFGETRTREFCNT:
+ case SIOCGIFOPPORTUNISTIC:
+ case SIOCGIFLINKQUALITYMETRIC:
+ case SIOCGIFLOG:
+ case SIOCGIFDELEGATE:
+ case SIOCGIFEXPENSIVE:
+ case SIOCGIFINTERFACESTATE:
+ case SIOCGIFPROBECONNECTIVITY:
+ case SIOCGIFTIMESTAMPENABLED:
+ case SIOCGECNMODE:
+ case SIOCGQOSMARKINGMODE:
+ case SIOCGQOSMARKINGENABLED:
+ case SIOCGIFLOWINTERNET:
+ case SIOCGIFSTATUS:
+ case SIOCGIFMEDIA32:
+ case SIOCGIFMEDIA64:
+ case SIOCGIFXMEDIA32:
+ case SIOCGIFXMEDIA64:
+ case SIOCGIFDESC:
+ case SIOCGIFLINKPARAMS:
+ case SIOCGIFQUEUESTATS:
+ case SIOCGIFTHROTTLE:
+ case SIOCGIFAGENTIDS32:
+ case SIOCGIFAGENTIDS64:
+ case SIOCGIFNETSIGNATURE:
+ case SIOCGIFINFO_IN6:
+ case SIOCGIFAFLAG_IN6:
+ case SIOCGNBRINFO_IN6:
+ case SIOCGIFALIFETIME_IN6:
+ case SIOCGIFNETMASK_IN6:
+ case SIOCGIFPROTOLIST32:
+ case SIOCGIFPROTOLIST64:
+ case SIOCGIFXFLAGS:
+ return false;
+ default:
+#if (DEBUG || DEVELOPMENT)
+ printf("%s: cmd 0x%lx not allowed (pid %u)\n",
+ __func__, cmd, proc_pid(p));
+#endif
+ return true;
+ }
+ return false;
+}
+
+/*
+ * Given a media word, return one suitable for an application
+ * using the original encoding.
+ */
+static int
+compat_media(int media)
+{
+ if (IFM_TYPE(media) == IFM_ETHER && IFM_SUBTYPE(media) > IFM_OTHER) {
+ media &= ~IFM_TMASK;
+ media |= IFM_OTHER;
+ }
+ return media;
+}
+
+static int
+compat_ifmu_ulist(struct ifnet *ifp, u_long cmd, void *data)
+{
+ struct ifmediareq *ifmr = (struct ifmediareq *)data;
+ user_addr_t user_addr;
+ int i;
+ int *media_list = NULL;
+ int error = 0;
+ bool list_modified = false;
+
+ user_addr = (cmd == SIOCGIFMEDIA64) ?
+ ((struct ifmediareq64 *)ifmr)->ifmu_ulist :
+ CAST_USER_ADDR_T(((struct ifmediareq32 *)ifmr)->ifmu_ulist);
+ if (user_addr == USER_ADDR_NULL || ifmr->ifm_count == 0) {
+ return 0;
+ }
+ MALLOC(media_list, int *, ifmr->ifm_count * sizeof(int),
+ M_TEMP, M_WAITOK | M_ZERO);
+ if (media_list == NULL) {
+ os_log_error(OS_LOG_DEFAULT,
+ "%s: %s MALLOC() failed",
+ __func__, ifp->if_xname);
+ error = ENOMEM;
+ goto done;
+ }
+ error = copyin(user_addr, media_list, ifmr->ifm_count * sizeof(int));
+ if (error != 0) {
+ os_log_error(OS_LOG_DEFAULT,
+ "%s: %s copyin() error %d",
+ __func__, ifp->if_xname, error);
+ goto done;
+ }
+ for (i = 0; i < ifmr->ifm_count; i++) {
+ int old_media, new_media;
+
+ old_media = media_list[i];
+
+ new_media = compat_media(old_media);
+ if (new_media == old_media) {
+ continue;
+ }
+ if (if_verbose != 0) {
+ os_log_info(OS_LOG_DEFAULT,
+ "%s: %s converted extended media %08x to compat media %08x",
+ __func__, ifp->if_xname, old_media, new_media);
+ }
+ media_list[i] = new_media;
+ list_modified = true;
+ }
+ if (list_modified) {
+ error = copyout(media_list, user_addr, ifmr->ifm_count * sizeof(int));
+ if (error != 0) {
+ os_log_error(OS_LOG_DEFAULT,
+ "%s: %s copyout() error %d",
+ __func__, ifp->if_xname, error);
+ goto done;
+ }
+ }
+done:
+ if (media_list != NULL) {
+ FREE(media_list, M_TEMP);
+ }
+ return error;
+}
+
+static int
+compat_ifmediareq(struct ifnet *ifp, u_long cmd, void *data)
+{
+ struct ifmediareq *ifmr = (struct ifmediareq *)data;
+ int error;
+
+ ifmr->ifm_active = compat_media(ifmr->ifm_active);
+ ifmr->ifm_current = compat_media(ifmr->ifm_current);
+
+ error = compat_ifmu_ulist(ifp, cmd, data);
+
+ return error;
+}
+
+static int
+ifioctl_get_media(struct ifnet *ifp, struct socket *so, u_long cmd, caddr_t data)
+{
+ int error = 0;
+
+ /*
+ * An ifnet must not implement SIOCGIFXMEDIA as it gets the extended
+ * media subtypes macros from <net/if_media.h>
+ */
+ switch (cmd) {
+ case SIOCGIFMEDIA32:
+ case SIOCGIFXMEDIA32:
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), SIOCGIFMEDIA32, data);
+ break;
+ case SIOCGIFMEDIA64:
+ case SIOCGIFXMEDIA64:
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), SIOCGIFMEDIA64, data);
+ break;
+ }
+ if (if_verbose != 0 && error != 0) {
+ os_log(OS_LOG_DEFAULT, "%s: first ifnet_ioctl(%s, %08lx) error %d",
+ __func__, ifp->if_xname, cmd, error);
+ }
+ if (error == 0 && (cmd == SIOCGIFMEDIA32 || cmd == SIOCGIFMEDIA64)) {
+ error = compat_ifmediareq(ifp, cmd, data);
+ }
+ return error;
+}
+/*
+ * Interface ioctls.
+ *
+ * Most of the routines called to handle the ioctls would end up being
+ * tail-call optimized, which unfortunately causes this routine to
+ * consume too much stack space; this is the reason for the "noinline"
+ * attribute used on those routines.
+ */
+int
+ifioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p)
+{
+ char ifname[IFNAMSIZ + 1];
+ struct ifnet *ifp = NULL;
+ struct ifstat *ifs = NULL;
+ int error = 0;
+
+ bzero(ifname, sizeof(ifname));
+
+ /*
+ * ioctls which don't require ifp, or ifreq ioctls
+ */
+ switch (cmd) {
+ case OSIOCGIFCONF32: /* struct ifconf32 */
+ case SIOCGIFCONF32: /* struct ifconf32 */
+ case SIOCGIFCONF64: /* struct ifconf64 */
+ case OSIOCGIFCONF64: /* struct ifconf64 */
+ error = ifioctl_ifconf(cmd, data);
+ goto done;
+
+ case SIOCIFGCLONERS32: /* struct if_clonereq32 */
+ case SIOCIFGCLONERS64: /* struct if_clonereq64 */
+ error = ifioctl_ifclone(cmd, data);
+ goto done;
+
+ case SIOCGIFAGENTDATA32: /* struct netagent_req32 */
+ case SIOCGIFAGENTDATA64: /* struct netagent_req64 */
+ case SIOCGIFAGENTLIST32: /* struct netagentlist_req32 */
+ case SIOCGIFAGENTLIST64: /* struct netagentlist_req64 */
+ error = netagent_ioctl(cmd, data);
+ goto done;
+
+ case SIOCSIFORDER: /* struct if_order */
+ error = ifioctl_iforder(cmd, data);
+ goto done;
+
+ case SIOCSIFDSTADDR: /* struct ifreq */
+ case SIOCSIFADDR: /* struct ifreq */
+ case SIOCSIFBRDADDR: /* struct ifreq */
+ case SIOCSIFNETMASK: /* struct ifreq */
+ case OSIOCGIFADDR: /* struct ifreq */
+ case OSIOCGIFDSTADDR: /* struct ifreq */
+ case OSIOCGIFBRDADDR: /* struct ifreq */
+ case OSIOCGIFNETMASK: /* struct ifreq */
+ case SIOCSIFKPI: /* struct ifreq */
+ if (so->so_proto == NULL) {
+ error = EOPNOTSUPP;
+ goto done;
+ }
+ OS_FALLTHROUGH;
+ case SIOCIFCREATE: /* struct ifreq */
+ case SIOCIFCREATE2: /* struct ifreq */
+ case SIOCIFDESTROY: /* struct ifreq */
+ case SIOCGIFFLAGS: /* struct ifreq */
+ case SIOCGIFEFLAGS: /* struct ifreq */
+ case SIOCGIFCAP: /* struct ifreq */
+ case SIOCGIFMETRIC: /* struct ifreq */
+ case SIOCGIFMTU: /* struct ifreq */
+ case SIOCGIFPHYS: /* struct ifreq */
+ case SIOCSIFFLAGS: /* struct ifreq */
+ case SIOCSIFCAP: /* struct ifreq */
+ case SIOCSIFMETRIC: /* struct ifreq */
+ case SIOCSIFPHYS: /* struct ifreq */
+ case SIOCSIFMTU: /* struct ifreq */
+ case SIOCADDMULTI: /* struct ifreq */
+ case SIOCDELMULTI: /* struct ifreq */
+ case SIOCDIFPHYADDR: /* struct ifreq */
+ case SIOCSIFMEDIA: /* struct ifreq */
+ case SIOCSIFGENERIC: /* struct ifreq */
+ case SIOCSIFLLADDR: /* struct ifreq */
+ case SIOCSIFALTMTU: /* struct ifreq */
+ case SIOCSIFVLAN: /* struct ifreq */
+ case SIOCSIFBOND: /* struct ifreq */
+ case SIOCGIFLLADDR: /* struct ifreq */
+ case SIOCGIFTYPE: /* struct ifreq */
+ case SIOCGIFFUNCTIONALTYPE: /* struct ifreq */
+ case SIOCGIFPSRCADDR: /* struct ifreq */
+ case SIOCGIFPDSTADDR: /* struct ifreq */
+ case SIOCGIFGENERIC: /* struct ifreq */
+ case SIOCGIFDEVMTU: /* struct ifreq */
+ case SIOCGIFVLAN: /* struct ifreq */
+ case SIOCGIFBOND: /* struct ifreq */
+ case SIOCGIFWAKEFLAGS: /* struct ifreq */
+ case SIOCGIFGETRTREFCNT: /* struct ifreq */
+ case SIOCSIFOPPORTUNISTIC: /* struct ifreq */
+ case SIOCGIFOPPORTUNISTIC: /* struct ifreq */
+ case SIOCGIFLINKQUALITYMETRIC: /* struct ifreq */
+ case SIOCSIFLOG: /* struct ifreq */
+ case SIOCGIFLOG: /* struct ifreq */
+ case SIOCGIFDELEGATE: /* struct ifreq */
+ case SIOCGIFEXPENSIVE: /* struct ifreq */
+ case SIOCSIFEXPENSIVE: /* struct ifreq */
+ case SIOCSIF2KCL: /* struct ifreq */
+ case SIOCGIF2KCL: /* struct ifreq */
+ case SIOCSIFINTERFACESTATE: /* struct ifreq */
+ case SIOCGIFINTERFACESTATE: /* struct ifreq */
+ case SIOCSIFPROBECONNECTIVITY: /* struct ifreq */
+ case SIOCGIFPROBECONNECTIVITY: /* struct ifreq */
+ case SIOCGSTARTDELAY: /* struct ifreq */
+ case SIOCSIFTIMESTAMPENABLE: /* struct ifreq */
+ case SIOCSIFTIMESTAMPDISABLE: /* struct ifreq */
+ case SIOCGIFTIMESTAMPENABLED: /* struct ifreq */
+#if (DEBUG || DEVELOPMENT)
+ case SIOCSIFDISABLEOUTPUT: /* struct ifreq */
+#endif /* (DEBUG || DEVELOPMENT) */
+ case SIOCGECNMODE: /* struct ifreq */
+ case SIOCSECNMODE:
+ case SIOCSQOSMARKINGMODE: /* struct ifreq */
+ case SIOCSQOSMARKINGENABLED: /* struct ifreq */
+ case SIOCGQOSMARKINGMODE: /* struct ifreq */
+ case SIOCGQOSMARKINGENABLED: /* struct ifreq */
+ case SIOCSIFLOWINTERNET: /* struct ifreq */
+ case SIOCGIFLOWINTERNET: /* struct ifreq */
+ case SIOCGIFLOWPOWER: /* struct ifreq */
+ case SIOCSIFLOWPOWER: /* struct ifreq */
+ case SIOCSIF6LOWPAN: /* struct ifreq */
+ case SIOCGIF6LOWPAN: /* struct ifreq */
+ case SIOCGIFMPKLOG: /* struct ifreq */
+ case SIOCSIFMPKLOG: /* struct ifreq */
+ case SIOCGIFCONSTRAINED: /* struct ifreq */
+ case SIOCSIFCONSTRAINED: /* struct ifreq */
+ case SIOCGIFXFLAGS: /* struct ifreq */
+ case SIOCGIFNOACKPRIO: /* struct ifreq */
+ case SIOCSIFNOACKPRIO: /* struct ifreq */
+ { /* struct ifreq */
+ struct ifreq ifr;
+ bcopy(data, &ifr, sizeof(ifr));
+ ifr.ifr_name[IFNAMSIZ - 1] = '\0';
+ bcopy(&ifr.ifr_name, ifname, IFNAMSIZ);
+ if (ifioctl_restrict_intcoproc(cmd, ifname, NULL, p) == true) {
+ error = EPERM;
+ goto done;
+ }
+ error = ifioctl_ifreq(so, cmd, &ifr, p);
+ bcopy(&ifr, data, sizeof(ifr));
+ goto done;
+ }
+ }
+
+ /*
+ * ioctls which require ifp. Note that we acquire dlil_ifnet_lock
+ * here to ensure that the ifnet, if found, has been fully attached.
+ */
+ dlil_if_lock();
+ switch (cmd) {
+ case SIOCSIFPHYADDR: /* struct {if,in_}aliasreq */
+ bcopy(((struct in_aliasreq *)(void *)data)->ifra_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCSIFPHYADDR_IN6_32: /* struct in6_aliasreq_32 */
+ bcopy(((struct in6_aliasreq_32 *)(void *)data)->ifra_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCSIFPHYADDR_IN6_64: /* struct in6_aliasreq_64 */
+ bcopy(((struct in6_aliasreq_64 *)(void *)data)->ifra_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCGIFSTATUS: /* struct ifstat */
+ ifs = _MALLOC(sizeof(*ifs), M_DEVBUF, M_WAITOK);
+ if (ifs == NULL) {
+ error = ENOMEM;
+ dlil_if_unlock();
+ goto done;
+ }
+ bcopy(data, ifs, sizeof(*ifs));
+ ifs->ifs_name[IFNAMSIZ - 1] = '\0';
+ bcopy(ifs->ifs_name, ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCGIFMEDIA32: /* struct ifmediareq32 */
+ case SIOCGIFXMEDIA32: /* struct ifmediareq32 */
+ bcopy(((struct ifmediareq32 *)(void *)data)->ifm_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCGIFMEDIA64: /* struct ifmediareq64 */
+ case SIOCGIFXMEDIA64: /* struct ifmediareq64 */
+ bcopy(((struct ifmediareq64 *)(void *)data)->ifm_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCSIFDESC: /* struct if_descreq */
+ case SIOCGIFDESC: /* struct if_descreq */
+ bcopy(((struct if_descreq *)(void *)data)->ifdr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCSIFLINKPARAMS: /* struct if_linkparamsreq */
+ case SIOCGIFLINKPARAMS: /* struct if_linkparamsreq */
+ bcopy(((struct if_linkparamsreq *)(void *)data)->iflpr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCGIFQUEUESTATS: /* struct if_qstatsreq */
+ bcopy(((struct if_qstatsreq *)(void *)data)->ifqr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCSIFTHROTTLE: /* struct if_throttlereq */
+ case SIOCGIFTHROTTLE: /* struct if_throttlereq */
+ bcopy(((struct if_throttlereq *)(void *)data)->ifthr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCAIFAGENTID: /* struct if_agentidreq */
+ case SIOCDIFAGENTID: /* struct if_agentidreq */
+ case SIOCGIFAGENTIDS32: /* struct if_agentidsreq32 */
+ case SIOCGIFAGENTIDS64: /* struct if_agentidsreq64 */
+ bcopy(((struct if_agentidreq *)(void *)data)->ifar_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCSIFNETSIGNATURE: /* struct if_nsreq */
+ case SIOCGIFNETSIGNATURE: /* struct if_nsreq */
+ bcopy(((struct if_nsreq *)(void *)data)->ifnsr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+
+ case SIOCSIFNETWORKID: /* struct if_netidreq */
+ bcopy(((struct if_netidreq *)(void *)data)->ifnetid_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+ case SIOCGIFPROTOLIST32: /* struct if_protolistreq32 */
+ case SIOCGIFPROTOLIST64: /* struct if_protolistreq64 */
+ bcopy(((struct if_protolistreq *)(void *)data)->ifpl_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+ default:
+ /*
+ * This is a bad assumption, but the code seems to
+ * have been doing this in the past; caveat emptor.
+ */
+ bcopy(((struct ifreq *)(void *)data)->ifr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit_ref(ifname);
+ break;
+ }
+ dlil_if_unlock();
+
+ if (ifp == NULL) {
+ error = ENXIO;
+ goto done;
+ }
+
+ if (ifioctl_restrict_intcoproc(cmd, NULL, ifp, p) == true) {
+ error = EPERM;
+ goto done;
+ }
+ switch (cmd) {
+ case SIOCSIFPHYADDR: /* struct {if,in_}aliasreq */
+ case SIOCSIFPHYADDR_IN6_32: /* struct in6_aliasreq_32 */
+ case SIOCSIFPHYADDR_IN6_64: /* struct in6_aliasreq_64 */
+ error = proc_suser(p);
+ if (error != 0) {
+ break;
+ }
+
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, data);
+ if (error != 0) {
+ break;
+ }
+
+ ifnet_touch_lastchange(ifp);
+ break;
+
+ case SIOCGIFSTATUS: /* struct ifstat */
+ VERIFY(ifs != NULL);
+ ifs->ascii[0] = '\0';
+
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifs);
+
+ bcopy(ifs, data, sizeof(*ifs));
+ break;
+
+ case SIOCGIFMEDIA32: /* struct ifmediareq32 */
+ case SIOCGIFMEDIA64: /* struct ifmediareq64 */
+ case SIOCGIFXMEDIA32: /* struct ifmediareq32 */
+ case SIOCGIFXMEDIA64: /* struct ifmediareq64 */
+ error = ifioctl_get_media(ifp, so, cmd, data);
+ break;
+
+ case SIOCSIFDESC: /* struct if_descreq */
+ case SIOCGIFDESC: /* struct if_descreq */
+ error = ifioctl_ifdesc(ifp, cmd, data, p);
+ break;
+
+ case SIOCSIFLINKPARAMS: /* struct if_linkparamsreq */
+ case SIOCGIFLINKPARAMS: /* struct if_linkparamsreq */
+ error = ifioctl_linkparams(ifp, cmd, data, p);
+ break;
+
+ case SIOCGIFQUEUESTATS: /* struct if_qstatsreq */
+ error = ifioctl_qstats(ifp, cmd, data);
+ break;
+
+ case SIOCSIFTHROTTLE: /* struct if_throttlereq */
+ case SIOCGIFTHROTTLE: /* struct if_throttlereq */
+ error = ifioctl_throttle(ifp, cmd, data, p);
+ break;
+
+ case SIOCAIFAGENTID: /* struct if_agentidreq */
+ case SIOCDIFAGENTID: /* struct if_agentidreq */
+ case SIOCGIFAGENTIDS32: /* struct if_agentidsreq32 */
+ case SIOCGIFAGENTIDS64: /* struct if_agentidsreq64 */
+ error = ifioctl_netagent(ifp, cmd, data, p);
+ break;
+
+ case SIOCSIFNETSIGNATURE: /* struct if_nsreq */
+ case SIOCGIFNETSIGNATURE: /* struct if_nsreq */
+ error = ifioctl_netsignature(ifp, cmd, data);
+ break;
+
+ case SIOCSIFNETWORKID: /* struct if_netidreq */
+ error = ifioctl_networkid(ifp, data);
+ break;
+ case SIOCSIFNAT64PREFIX: /* struct if_nat64req */
+ case SIOCGIFNAT64PREFIX: /* struct if_nat64req */
+ error = ifioctl_nat64prefix(ifp, cmd, data);
+ break;
+
+ case SIOCGIFCLAT46ADDR: /* struct if_clat46req */
+ error = ifioctl_clat46addr(ifp, cmd, data);
+ break;
+
+ case SIOCGIFPROTOLIST32: /* struct if_protolistreq32 */
+ case SIOCGIFPROTOLIST64: /* struct if_protolistreq64 */
+ error = ifioctl_protolist(ifp, cmd, data);
+ break;
+
+ default:
+ if (so->so_proto == NULL) {
+ error = EOPNOTSUPP;
+ break;
+ }
+
+ socket_lock(so, 1);
+ error = ((*so->so_proto->pr_usrreqs->pru_control)(so, cmd,
+ data, ifp, p));
+ socket_unlock(so, 1);
+
+ // Don't allow to call SIOCAIFADDR and SIOCDIFADDR with
+ // ifreq as the code expects ifaddr
+ if ((error == EOPNOTSUPP || error == ENOTSUP) &&
+ !(cmd == SIOCAIFADDR || cmd == SIOCDIFADDR)) {
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, data);
+ }
+ break;
+ }
+
+done:
+ if (ifs != NULL) {
+ _FREE(ifs, M_DEVBUF);
+ }
+
+ if (if_verbose) {
+ if (ifname[0] == '\0') {
+ (void) snprintf(ifname, sizeof(ifname), "%s",
+ "NULL");
+ } else if (ifp != NULL) {
+ (void) snprintf(ifname, sizeof(ifname), "%s",
+ if_name(ifp));
+ }
+
+ if (error != 0) {
+ printf("%s[%s,%d]: ifp %s cmd 0x%08lx (%c%c [%lu] "
+ "%c %lu) error %d\n", __func__,
+ proc_name_address(p), proc_pid(p),
+ ifname, cmd, (cmd & IOC_IN) ? 'I' : ' ',
+ (cmd & IOC_OUT) ? 'O' : ' ', IOCPARM_LEN(cmd),
+ (char)IOCGROUP(cmd), cmd & 0xff, error);
+ } else if (if_verbose > 1) {
+ printf("%s[%s,%d]: ifp %s cmd 0x%08lx (%c%c [%lu] "
+ "%c %lu) OK\n", __func__,
+ proc_name_address(p), proc_pid(p),
+ ifname, cmd, (cmd & IOC_IN) ? 'I' : ' ',
+ (cmd & IOC_OUT) ? 'O' : ' ', IOCPARM_LEN(cmd),
+ (char)IOCGROUP(cmd), cmd & 0xff);
+ }
+ }
+
+ if (ifp != NULL) {
+ ifnet_decr_iorefcnt(ifp);
+ }
+ return error;
}
-
-/*
- * Interface ioctls.
- */
-int
-ifioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p)
+static __attribute__((noinline)) int
+ifioctl_ifreq(struct socket *so, u_long cmd, struct ifreq *ifr, struct proc *p)
{
struct ifnet *ifp;
- struct ifreq *ifr;
- struct ifstat *ifs;
+ u_long ocmd = cmd;
int error = 0;
- short oif_flags;
- struct kev_msg ev_msg;
+ struct kev_msg ev_msg;
struct net_event_data ev_data;
bzero(&ev_data, sizeof(struct net_event_data));
bzero(&ev_msg, sizeof(struct kev_msg));
- switch (cmd) {
- case OSIOCGIFCONF32:
- case SIOCGIFCONF32: {
- struct ifconf32 *ifc = (struct ifconf32 *)data;
- return (ifconf(cmd, CAST_USER_ADDR_T(ifc->ifc_req),
- &ifc->ifc_len));
- /* NOTREACHED */
- }
- case SIOCGIFCONF64:
- case OSIOCGIFCONF64: {
- struct ifconf64 *ifc = (struct ifconf64 *)data;
- return (ifconf(cmd, ifc->ifc_req, &ifc->ifc_len));
- /* NOTREACHED */
- }
- }
- ifr = (struct ifreq *)data;
+
switch (cmd) {
case SIOCIFCREATE:
case SIOCIFCREATE2:
- error = proc_suser(p);
- if (error)
- return (error);
- return if_clone_create(ifr->ifr_name, sizeof(ifr->ifr_name),
- cmd == SIOCIFCREATE2 ? ifr->ifr_data : NULL);
+ error = proc_suser(p);
+ if (error) {
+ return error;
+ }
+ return if_clone_create(ifr->ifr_name, sizeof(ifr->ifr_name),
+ cmd == SIOCIFCREATE2 ? ifr->ifr_data : NULL);
case SIOCIFDESTROY:
error = proc_suser(p);
- if (error)
- return (error);
+ if (error) {
+ return error;
+ }
return if_clone_destroy(ifr->ifr_name);
-#if IF_CLONE_LIST
- case SIOCIFGCLONERS32: {
- struct if_clonereq32 *ifcr = (struct if_clonereq32 *)data;
- return (if_clone_list(ifcr->ifcr_count, &ifcr->ifcr_total,
- CAST_USER_ADDR_T(ifcr->ifcru_buffer)));
- /* NOTREACHED */
-
- }
- case SIOCIFGCLONERS64: {
- struct if_clonereq64 *ifcr = (struct if_clonereq64 *)data;
- return (if_clone_list(ifcr->ifcr_count, &ifcr->ifcr_total,
- ifcr->ifcru_buffer));
- /* NOTREACHED */
- }
-#endif /* IF_CLONE_LIST */
}
+ /*
+ * ioctls which require ifp. Note that we acquire dlil_ifnet_lock
+ * here to ensure that the ifnet, if found, has been fully attached.
+ */
+ dlil_if_lock();
ifp = ifunit(ifr->ifr_name);
- if (ifp == NULL)
- return (ENXIO);
+ dlil_if_unlock();
+
+ if (ifp == NULL) {
+ return ENXIO;
+ }
switch (cmd) {
case SIOCGIFFLAGS:
ifnet_lock_done(ifp);
break;
+ case SIOCGIFEFLAGS:
+ ifnet_lock_shared(ifp);
+ ifr->ifr_eflags = ifp->if_eflags;
+ ifnet_lock_done(ifp);
+ break;
+
+ case SIOCGIFXFLAGS:
+ ifnet_lock_shared(ifp);
+ ifr->ifr_xflags = ifp->if_xflags;
+ ifnet_lock_done(ifp);
+ break;
+
case SIOCGIFCAP:
ifnet_lock_shared(ifp);
ifr->ifr_reqcap = ifp->if_capabilities;
ifnet_lock_done(ifp);
break;
-#if CONFIG_MACF_NET
- case SIOCGIFMAC:
- error = mac_ifnet_label_get(kauth_cred_get(), ifr, ifp);
- break;
-#endif
case SIOCGIFMETRIC:
ifnet_lock_shared(ifp);
ifr->ifr_metric = ifp->if_metric;
case SIOCSIFFLAGS:
error = proc_suser(p);
- if (error != 0)
+ if (error != 0) {
break;
+ }
(void) ifnet_set_flags(ifp, ifr->ifr_flags,
(u_int16_t)~IFF_CANTCHANGE);
* Note that we intentionally ignore any error from below
* for the SIOCSIFFLAGS case.
*/
- (void) ifnet_ioctl(ifp, so->so_proto->pr_domain->dom_family,
- cmd, data);
+ (void) ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
/*
* Send the event even upon error from the driver because
* we changed the flags.
*/
- ev_msg.vendor_code = KEV_VENDOR_APPLE;
- ev_msg.kev_class = KEV_NETWORK_CLASS;
- ev_msg.kev_subclass = KEV_DL_SUBCLASS;
-
- ev_msg.event_code = KEV_DL_SIFFLAGS;
- strlcpy(&ev_data.if_name[0], ifp->if_name, IFNAMSIZ);
- ev_data.if_family = ifp->if_family;
- ev_data.if_unit = (u_int32_t) ifp->if_unit;
- ev_msg.dv[0].data_length = sizeof(struct net_event_data);
- ev_msg.dv[0].data_ptr = &ev_data;
- ev_msg.dv[1].data_length = 0;
- kev_post_msg(&ev_msg);
+ dlil_post_sifflags_msg(ifp);
ifnet_touch_lastchange(ifp);
break;
case SIOCSIFCAP:
error = proc_suser(p);
- if (error != 0)
+ if (error != 0) {
break;
+ }
if ((ifr->ifr_reqcap & ~ifp->if_capabilities)) {
error = EINVAL;
break;
}
- error = ifnet_ioctl(ifp, so->so_proto->pr_domain->dom_family,
- cmd, data);
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
ifnet_touch_lastchange(ifp);
break;
-#if CONFIG_MACF_NET
- case SIOCSIFMAC:
- error = mac_ifnet_label_set(kauth_cred_get(), ifr, ifp);
- break;
-#endif
case SIOCSIFMETRIC:
error = proc_suser(p);
- if (error != 0)
+ if (error != 0) {
break;
+ }
ifp->if_metric = ifr->ifr_metric;
ev_msg.dv[0].data_ptr = &ev_data;
ev_msg.dv[1].data_length = 0;
- kev_post_msg(&ev_msg);
+ dlil_post_complete_msg(ifp, &ev_msg);
ifnet_touch_lastchange(ifp);
break;
case SIOCSIFPHYS:
error = proc_suser(p);
- if (error != 0)
+ if (error != 0) {
break;
+ }
- error = ifnet_ioctl(ifp, so->so_proto->pr_domain->dom_family,
- cmd, data);
- if (error != 0)
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
+ if (error != 0) {
break;
+ }
ev_msg.vendor_code = KEV_VENDOR_APPLE;
ev_msg.kev_class = KEV_NETWORK_CLASS;
ev_msg.dv[0].data_length = sizeof(struct net_event_data);
ev_msg.dv[0].data_ptr = &ev_data;
ev_msg.dv[1].data_length = 0;
- kev_post_msg(&ev_msg);
+ dlil_post_complete_msg(ifp, &ev_msg);
ifnet_touch_lastchange(ifp);
break;
- case SIOCSIFMTU:
- {
+ case SIOCSIFMTU: {
u_int32_t oldmtu = ifp->if_mtu;
+ struct ifclassq *ifq = &ifp->if_snd;
error = proc_suser(p);
- if (error != 0)
+ if (error != 0) {
break;
+ }
if (ifp->if_ioctl == NULL) {
error = EOPNOTSUPP;
error = EINVAL;
break;
}
- error = ifnet_ioctl(ifp, so->so_proto->pr_domain->dom_family,
- cmd, data);
- if (error != 0)
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
+ if (error != 0) {
break;
+ }
ev_msg.vendor_code = KEV_VENDOR_APPLE;
ev_msg.kev_class = KEV_NETWORK_CLASS;
ev_msg.dv[0].data_length = sizeof(struct net_event_data);
ev_msg.dv[0].data_ptr = &ev_data;
ev_msg.dv[1].data_length = 0;
- kev_post_msg(&ev_msg);
+ dlil_post_complete_msg(ifp, &ev_msg);
ifnet_touch_lastchange(ifp);
rt_ifmsg(ifp);
*/
if (ifp->if_mtu != oldmtu) {
if_rtmtu_update(ifp);
-#if INET6
nd6_setmtu(ifp);
-#endif
+ /* Inform all transmit queues about the new MTU */
+ IFCQ_LOCK(ifq);
+ ifnet_update_sndq(ifq, CLASSQ_EV_LINK_MTU);
+ IFCQ_UNLOCK(ifq);
}
break;
}
case SIOCADDMULTI:
case SIOCDELMULTI:
error = proc_suser(p);
- if (error != 0)
+ if (error != 0) {
break;
+ }
/* Don't allow group membership on non-multicast interfaces. */
if ((ifp->if_flags & IFF_MULTICAST) == 0) {
error = EINVAL;
break;
}
+ if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) {
+ ifr->ifr_addr.sa_len = sizeof(struct sockaddr);
+ }
/*
* User is permitted to anonymously join a particular link
error = if_delmulti_anon(ifp, &ifr->ifr_addr);
ev_msg.event_code = KEV_DL_DELMULTI;
}
- if (error != 0)
+ if (error != 0) {
break;
+ }
ev_msg.vendor_code = KEV_VENDOR_APPLE;
ev_msg.kev_class = KEV_NETWORK_CLASS;
ev_msg.dv[0].data_length = sizeof(struct net_event_data);
ev_msg.dv[0].data_ptr = &ev_data;
ev_msg.dv[1].data_length = 0;
- kev_post_msg(&ev_msg);
+ dlil_post_complete_msg(ifp, &ev_msg);
ifnet_touch_lastchange(ifp);
break;
- case SIOCSIFPHYADDR:
- case SIOCDIFPHYADDR:
-#if INET6
- case SIOCSIFPHYADDR_IN6_32:
- case SIOCSIFPHYADDR_IN6_64:
-#endif
- case SIOCSLIFPHYADDR:
case SIOCSIFMEDIA:
+ error = proc_suser(p);
+ if (error != 0) {
+ break;
+ }
+ /*
+ * Silently ignore setting IFM_OTHER
+ */
+ if (ifr->ifr_media == IFM_OTHER) {
+ os_log_info(OS_LOG_DEFAULT,
+ "%s: %s SIOCSIFMEDIA ignore IFM_OTHER",
+ __func__, ifp->if_xname);
+ error = 0;
+ break;
+ }
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
+ if (error != 0) {
+ break;
+ }
+ ifnet_touch_lastchange(ifp);
+ break;
+
+ case SIOCDIFPHYADDR:
case SIOCSIFGENERIC:
case SIOCSIFLLADDR:
case SIOCSIFALTMTU:
case SIOCSIFVLAN:
case SIOCSIFBOND:
+ case SIOCSIF6LOWPAN:
error = proc_suser(p);
- if (error != 0)
+ if (error != 0) {
break;
+ }
- error = ifnet_ioctl(ifp, so->so_proto->pr_domain->dom_family,
- cmd, data);
- if (error != 0)
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
+ if (error != 0) {
break;
+ }
ifnet_touch_lastchange(ifp);
break;
- case SIOCGIFSTATUS:
- ifs = (struct ifstat *)data;
- ifs->ascii[0] = '\0';
+ case SIOCGIFLLADDR: {
+ struct sockaddr_dl *sdl = SDL(ifp->if_lladdr->ifa_addr);
+
+ if (sdl->sdl_alen == 0) {
+ error = EADDRNOTAVAIL;
+ break;
+ }
+ /* If larger than 14-bytes we'll need another mechanism */
+ if (sdl->sdl_alen > sizeof(ifr->ifr_addr.sa_data)) {
+ error = EMSGSIZE;
+ break;
+ }
+ /* Follow the same convention used by SIOCSIFLLADDR */
+ bzero(&ifr->ifr_addr, sizeof(ifr->ifr_addr));
+ ifr->ifr_addr.sa_family = AF_LINK;
+ ifr->ifr_addr.sa_len = sdl->sdl_alen;
+ error = ifnet_guarded_lladdr_copy_bytes(ifp,
+ &ifr->ifr_addr.sa_data, sdl->sdl_alen);
+ break;
+ }
+
+ case SIOCGIFTYPE:
+ ifr->ifr_type.ift_type = ifp->if_type;
+ ifr->ifr_type.ift_family = ifp->if_family;
+ ifr->ifr_type.ift_subfamily = ifp->if_subfamily;
+ break;
+
+ case SIOCGIFFUNCTIONALTYPE:
+ ifr->ifr_functional_type = if_functional_type(ifp, FALSE);
+ break;
case SIOCGIFPSRCADDR:
case SIOCGIFPDSTADDR:
- case SIOCGLIFPHYADDR:
- case SIOCGIFMEDIA32:
- case SIOCGIFMEDIA64:
case SIOCGIFGENERIC:
case SIOCGIFDEVMTU:
- error = ifnet_ioctl(ifp, so->so_proto->pr_domain->dom_family,
- cmd, data);
- break;
-
case SIOCGIFVLAN:
case SIOCGIFBOND:
- error = ifnet_ioctl(ifp, so->so_proto->pr_domain->dom_family,
- cmd, data);
+ case SIOCGIF6LOWPAN:
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
break;
case SIOCGIFWAKEFLAGS:
ifnet_lock_done(ifp);
break;
- default:
- oif_flags = ifp->if_flags;
- if (so->so_proto == NULL) {
- error = EOPNOTSUPP;
- break;
+ case SIOCSIFOPPORTUNISTIC:
+ case SIOCGIFOPPORTUNISTIC:
+ error = ifnet_getset_opportunistic(ifp, cmd, ifr, p);
+ break;
+
+ case SIOCGIFLINKQUALITYMETRIC:
+ ifnet_lock_shared(ifp);
+ if ((ifp->if_interface_state.valid_bitmask &
+ IF_INTERFACE_STATE_LQM_STATE_VALID)) {
+ ifr->ifr_link_quality_metric =
+ ifp->if_interface_state.lqm_state;
+ } else if (IF_FULLY_ATTACHED(ifp)) {
+ ifr->ifr_link_quality_metric =
+ IFNET_LQM_THRESH_UNKNOWN;
+ } else {
+ ifr->ifr_link_quality_metric =
+ IFNET_LQM_THRESH_OFF;
+ }
+ ifnet_lock_done(ifp);
+ break;
+
+ case SIOCSIFLOG:
+ case SIOCGIFLOG:
+ error = ifnet_getset_log(ifp, cmd, ifr, p);
+ break;
+
+ case SIOCGIFDELEGATE:
+ ifnet_lock_shared(ifp);
+ ifr->ifr_delegated = ((ifp->if_delegated.ifp != NULL) ?
+ ifp->if_delegated.ifp->if_index : 0);
+ ifnet_lock_done(ifp);
+ break;
+
+ case SIOCGIFEXPENSIVE:
+ ifnet_lock_shared(ifp);
+ if (ifp->if_eflags & IFEF_EXPENSIVE) {
+ ifr->ifr_expensive = 1;
+ } else {
+ ifr->ifr_expensive = 0;
+ }
+ ifnet_lock_done(ifp);
+ break;
+
+ case SIOCSIFEXPENSIVE:
+ {
+ struct ifnet *difp;
+
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ if (ifr->ifr_expensive) {
+ if_set_eflags(ifp, IFEF_EXPENSIVE);
+ } else {
+ if_clear_eflags(ifp, IFEF_EXPENSIVE);
}
- {
- u_long ocmd = cmd;
+ ifnet_increment_generation(ifp);
- switch (cmd) {
- case SIOCSIFDSTADDR:
- case SIOCSIFADDR:
- case SIOCSIFBRDADDR:
- case SIOCSIFNETMASK:
+ /*
+ * Update the expensive bit in the delegated interface
+ * structure.
+ */
+ ifnet_head_lock_shared();
+ TAILQ_FOREACH(difp, &ifnet_head, if_link) {
+ ifnet_lock_exclusive(difp);
+ if (difp->if_delegated.ifp == ifp) {
+ difp->if_delegated.expensive =
+ ifp->if_eflags & IFEF_EXPENSIVE ? 1 : 0;
+ ifnet_increment_generation(difp);
+ }
+ ifnet_lock_done(difp);
+ }
+ ifnet_head_done();
+ necp_update_all_clients();
+ break;
+ }
+
+ case SIOCGIFCONSTRAINED:
+ if ((ifp->if_xflags & IFXF_CONSTRAINED) != 0) {
+ ifr->ifr_constrained = 1;
+ } else {
+ ifr->ifr_constrained = 0;
+ }
+ break;
+
+ case SIOCSIFCONSTRAINED:
+ {
+ struct ifnet *difp;
+
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ if (ifr->ifr_constrained) {
+ if_set_xflags(ifp, IFXF_CONSTRAINED);
+ } else {
+ if_clear_xflags(ifp, IFXF_CONSTRAINED);
+ }
+ ifnet_increment_generation(ifp);
+ /*
+ * Update the constrained bit in the delegated interface
+ * structure.
+ */
+ ifnet_head_lock_shared();
+ TAILQ_FOREACH(difp, &ifnet_head, if_link) {
+ ifnet_lock_exclusive(difp);
+ if (difp->if_delegated.ifp == ifp) {
+ difp->if_delegated.constrained =
+ ((ifp->if_xflags & IFXF_CONSTRAINED) != 0) ? 1 : 0;
+ ifnet_increment_generation(difp);
+ }
+ ifnet_lock_done(difp);
+ }
+ ifnet_head_done();
+ necp_update_all_clients();
+ break;
+ }
+
+ case SIOCGIF2KCL:
+ ifnet_lock_shared(ifp);
+ if (ifp->if_eflags & IFEF_2KCL) {
+ ifr->ifr_2kcl = 1;
+ } else {
+ ifr->ifr_2kcl = 0;
+ }
+ ifnet_lock_done(ifp);
+ break;
+
+ case SIOCSIF2KCL:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ if (ifr->ifr_2kcl) {
+ if_set_eflags(ifp, IFEF_2KCL);
+ } else {
+ if_clear_eflags(ifp, IFEF_2KCL);
+ }
+ break;
+ case SIOCGSTARTDELAY:
+ ifnet_lock_shared(ifp);
+ if (ifp->if_eflags & IFEF_ENQUEUE_MULTI) {
+ ifr->ifr_start_delay_qlen =
+ ifp->if_start_delay_qlen;
+ ifr->ifr_start_delay_timeout =
+ ifp->if_start_delay_timeout;
+ } else {
+ ifr->ifr_start_delay_qlen = 0;
+ ifr->ifr_start_delay_timeout = 0;
+ }
+ ifnet_lock_done(ifp);
+ break;
+ case SIOCSIFDSTADDR:
+ case SIOCSIFADDR:
+ case SIOCSIFBRDADDR:
+ case SIOCSIFNETMASK:
+ case OSIOCGIFADDR:
+ case OSIOCGIFDSTADDR:
+ case OSIOCGIFBRDADDR:
+ case OSIOCGIFNETMASK:
+ case SIOCSIFKPI:
+ VERIFY(so->so_proto != NULL);
+
+ if (cmd == SIOCSIFDSTADDR || cmd == SIOCSIFADDR ||
+ cmd == SIOCSIFBRDADDR || cmd == SIOCSIFNETMASK) {
#if BYTE_ORDER != BIG_ENDIAN
if (ifr->ifr_addr.sa_family == 0 &&
ifr->ifr_addr.sa_len < 16) {
ifr->ifr_addr.sa_len = 16;
}
#else
- if (ifr->ifr_addr.sa_len == 0)
+ if (ifr->ifr_addr.sa_len == 0) {
ifr->ifr_addr.sa_len = 16;
+ }
#endif
- break;
-
- case OSIOCGIFADDR:
- cmd = SIOCGIFADDR;
- break;
-
- case OSIOCGIFDSTADDR:
- cmd = SIOCGIFDSTADDR;
- break;
-
- case OSIOCGIFBRDADDR:
- cmd = SIOCGIFBRDADDR;
- break;
-
- case OSIOCGIFNETMASK:
- cmd = SIOCGIFNETMASK;
+ } else if (cmd == OSIOCGIFADDR) {
+ cmd = SIOCGIFADDR; /* struct ifreq */
+ } else if (cmd == OSIOCGIFDSTADDR) {
+ cmd = SIOCGIFDSTADDR; /* struct ifreq */
+ } else if (cmd == OSIOCGIFBRDADDR) {
+ cmd = SIOCGIFBRDADDR; /* struct ifreq */
+ } else if (cmd == OSIOCGIFNETMASK) {
+ cmd = SIOCGIFNETMASK; /* struct ifreq */
}
socket_lock(so, 1);
error = ((*so->so_proto->pr_usrreqs->pru_control)(so, cmd,
- data, ifp, p));
+ (caddr_t)ifr, ifp, p));
socket_unlock(so, 1);
switch (ocmd) {
case OSIOCGIFDSTADDR:
case OSIOCGIFBRDADDR:
case OSIOCGIFNETMASK:
- *(u_short *)&ifr->ifr_addr = ifr->ifr_addr.sa_family;
+ bcopy(&ifr->ifr_addr.sa_family, &ifr->ifr_addr,
+ sizeof(u_short));
+ }
+
+ if (cmd == SIOCSIFKPI) {
+ int temperr = proc_suser(p);
+ if (temperr != 0) {
+ error = temperr;
+ }
+ }
+ // Don't allow to call SIOCSIFADDR and SIOCSIFDSTADDR
+ // with ifreq as the code expects ifaddr
+ if ((error == EOPNOTSUPP || error == ENOTSUP) &&
+ !(cmd == SIOCSIFADDR || cmd == SIOCSIFDSTADDR)) {
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd,
+ (caddr_t)ifr);
+ }
+ break;
+
+ case SIOCGIFINTERFACESTATE:
+ if_get_state(ifp, &ifr->ifr_interface_state);
+ break;
+
+ case SIOCSIFINTERFACESTATE:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+
+ error = if_state_update(ifp, &ifr->ifr_interface_state);
+
+ break;
+ case SIOCSIFPROBECONNECTIVITY:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ error = if_probe_connectivity(ifp,
+ ifr->ifr_probe_connectivity);
+ break;
+ case SIOCGIFPROBECONNECTIVITY:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ if (ifp->if_eflags & IFEF_PROBE_CONNECTIVITY) {
+ ifr->ifr_probe_connectivity = 1;
+ } else {
+ ifr->ifr_probe_connectivity = 0;
+ }
+ break;
+ case SIOCGECNMODE:
+ if ((ifp->if_eflags & (IFEF_ECN_ENABLE | IFEF_ECN_DISABLE)) ==
+ IFEF_ECN_ENABLE) {
+ ifr->ifr_ecn_mode = IFRTYPE_ECN_ENABLE;
+ } else if ((ifp->if_eflags & (IFEF_ECN_ENABLE | IFEF_ECN_DISABLE)) ==
+ IFEF_ECN_DISABLE) {
+ ifr->ifr_ecn_mode = IFRTYPE_ECN_DISABLE;
+ } else {
+ ifr->ifr_ecn_mode = IFRTYPE_ECN_DEFAULT;
+ }
+ break;
+ case SIOCSECNMODE:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ if (ifr->ifr_ecn_mode == IFRTYPE_ECN_DEFAULT) {
+ if_clear_eflags(ifp, IFEF_ECN_ENABLE | IFEF_ECN_DISABLE);
+ } else if (ifr->ifr_ecn_mode == IFRTYPE_ECN_ENABLE) {
+ if_set_eflags(ifp, IFEF_ECN_ENABLE);
+ if_clear_eflags(ifp, IFEF_ECN_DISABLE);
+ } else if (ifr->ifr_ecn_mode == IFRTYPE_ECN_DISABLE) {
+ if_set_eflags(ifp, IFEF_ECN_DISABLE);
+ if_clear_eflags(ifp, IFEF_ECN_ENABLE);
+ } else {
+ error = EINVAL;
+ }
+ break;
+
+ case SIOCSIFTIMESTAMPENABLE:
+ case SIOCSIFTIMESTAMPDISABLE:
+ error = proc_suser(p);
+ if (error != 0) {
+ break;
+ }
+
+ if ((cmd == SIOCSIFTIMESTAMPENABLE &&
+ (ifp->if_xflags & IFXF_TIMESTAMP_ENABLED) != 0) ||
+ (cmd == SIOCSIFTIMESTAMPDISABLE &&
+ (ifp->if_xflags & IFXF_TIMESTAMP_ENABLED) == 0)) {
+ break;
+ }
+ if (cmd == SIOCSIFTIMESTAMPENABLE) {
+ if_set_xflags(ifp, IFXF_TIMESTAMP_ENABLED);
+ } else {
+ if_clear_xflags(ifp, IFXF_TIMESTAMP_ENABLED);
+ }
+ /*
+ * Pass the setting to the interface if it supports either
+ * software or hardware time stamping
+ */
+ if (ifp->if_capabilities & (IFCAP_HW_TIMESTAMP |
+ IFCAP_SW_TIMESTAMP)) {
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd,
+ (caddr_t)ifr);
+ }
+ break;
+ case SIOCGIFTIMESTAMPENABLED: {
+ if ((ifp->if_xflags & IFXF_TIMESTAMP_ENABLED) != 0) {
+ ifr->ifr_intval = 1;
+ } else {
+ ifr->ifr_intval = 0;
+ }
+ break;
+ }
+ case SIOCSQOSMARKINGMODE:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ error = if_set_qosmarking_mode(ifp, ifr->ifr_qosmarking_mode);
+ break;
+
+ case SIOCGQOSMARKINGMODE:
+ ifr->ifr_qosmarking_mode = ifp->if_qosmarking_mode;
+ break;
+
+ case SIOCSQOSMARKINGENABLED:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ if (ifr->ifr_qosmarking_enabled != 0) {
+ if_set_eflags(ifp, IFEF_QOSMARKING_ENABLED);
+ } else {
+ if_clear_eflags(ifp, IFEF_QOSMARKING_ENABLED);
+ }
+ break;
+
+ case SIOCGQOSMARKINGENABLED:
+ ifr->ifr_qosmarking_enabled =
+ ((ifp->if_eflags & IFEF_QOSMARKING_ENABLED) != 0) ? 1 : 0;
+ break;
+ case SIOCSIFDISABLEOUTPUT:
+#if (DEBUG || DEVELOPMENT)
+ if (ifr->ifr_disable_output == 1) {
+ error = ifnet_disable_output(ifp);
+ } else if (ifr->ifr_disable_output == 0) {
+ error = ifnet_enable_output(ifp);
+ } else {
+ error = EINVAL;
+ }
+#else
+ error = EINVAL;
+#endif /* (DEBUG || DEVELOPMENT) */
+ break;
+
+ case SIOCSIFSUBFAMILY:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifr);
+ break;
+
+ case SIOCSIFLOWINTERNET:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+
+ if (ifr->ifr_low_internet & IFRTYPE_LOW_INTERNET_ENABLE_UL) {
+ if_set_xflags(ifp, IFXF_LOW_INTERNET_UL);
+ } else {
+ if_clear_xflags(ifp, IFXF_LOW_INTERNET_UL);
+ }
+ if (ifr->ifr_low_internet & IFRTYPE_LOW_INTERNET_ENABLE_DL) {
+ if_set_xflags(ifp, IFXF_LOW_INTERNET_DL);
+ } else {
+ if_clear_xflags(ifp, IFXF_LOW_INTERNET_DL);
+ }
+ break;
+ case SIOCGIFLOWINTERNET:
+ ifnet_lock_shared(ifp);
+ ifr->ifr_low_internet = 0;
+ if ((ifp->if_xflags & IFXF_LOW_INTERNET_UL) != 0) {
+ ifr->ifr_low_internet |=
+ IFRTYPE_LOW_INTERNET_ENABLE_UL;
}
- }
- if (cmd == SIOCSIFKPI) {
- int temperr = proc_suser(p);
- if (temperr != 0)
- error = temperr;
+ if ((ifp->if_xflags & IFXF_LOW_INTERNET_DL) != 0) {
+ ifr->ifr_low_internet |=
+ IFRTYPE_LOW_INTERNET_ENABLE_DL;
}
+ ifnet_lock_done(ifp);
+ break;
+ case SIOCGIFLOWPOWER:
+ ifr->ifr_low_power_mode =
+ ((ifp->if_xflags & IFXF_LOW_POWER) != 0);
+ break;
+ case SIOCSIFLOWPOWER:
+#if (DEVELOPMENT || DEBUG)
+ error = if_set_low_power(ifp, (ifr->ifr_low_power_mode != 0));
+#else /* DEVELOPMENT || DEBUG */
+ error = EOPNOTSUPP;
+#endif /* DEVELOPMENT || DEBUG */
+ break;
- if (error == EOPNOTSUPP || error == ENOTSUP)
- error = ifnet_ioctl(ifp,
- so->so_proto->pr_domain->dom_family, cmd, data);
+ case SIOCGIFMPKLOG:
+ ifr->ifr_mpk_log = ((ifp->if_xflags & IFXF_MPK_LOG) != 0);
+ break;
+ case SIOCSIFMPKLOG:
+ if (ifr->ifr_mpk_log) {
+ if_set_xflags(ifp, IFXF_MPK_LOG);
+ } else {
+ if_clear_xflags(ifp, IFXF_MPK_LOG);
+ }
+ break;
+ case SIOCGIFNOACKPRIO:
+ if ((ifp->if_eflags & IFEF_NOACKPRI) != 0) {
+ ifr->ifr_noack_prio = 1;
+ } else {
+ ifr->ifr_noack_prio = 0;
+ }
+ break;
+ case SIOCSIFNOACKPRIO:
+ if ((error = priv_check_cred(kauth_cred_get(),
+ PRIV_NET_INTERFACE_CONTROL, 0)) != 0) {
+ return error;
+ }
+ if (ifr->ifr_noack_prio) {
+ if_set_eflags(ifp, IFEF_NOACKPRI);
+ } else {
+ if_clear_eflags(ifp, IFEF_NOACKPRI);
+ }
break;
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
}
- return (error);
+
+ return error;
}
int
socket_unlock(so, 0);
error = ifioctl(so, cmd, data, p);
socket_lock(so, 0);
- return(error);
+ return error;
}
-
+
/*
* Set/clear promiscuous mode on interface ifp based on the truth value
* of pswitch. The calls are reference counted so that only the first
*/
errno_t
ifnet_set_promiscuous(
- ifnet_t ifp,
+ ifnet_t ifp,
int pswitch)
{
int error = 0;
ifnet_lock_exclusive(ifp);
oldflags = ifp->if_flags;
ifp->if_pcount += pswitch ? 1 : -1;
-
- if (ifp->if_pcount > 0)
+
+ if (ifp->if_pcount > 0) {
ifp->if_flags |= IFF_PROMISC;
- else
+ } else {
ifp->if_flags &= ~IFF_PROMISC;
-
+ }
+
newflags = ifp->if_flags;
ifnet_lock_done(ifp);
-
+
if (newflags != oldflags && (newflags & IFF_UP) != 0) {
error = ifnet_ioctl(ifp, 0, SIOCSIFFLAGS, NULL);
if (error == 0) {
ifnet_lock_exclusive(ifp);
// revert the flags
ifp->if_pcount -= pswitch ? 1 : -1;
- if (ifp->if_pcount > 0)
- ifp->if_flags |= IFF_PROMISC;
- else
- ifp->if_flags &= ~IFF_PROMISC;
+ if (ifp->if_pcount > 0) {
+ ifp->if_flags |= IFF_PROMISC;
+ } else {
+ ifp->if_flags &= ~IFF_PROMISC;
+ }
ifnet_lock_done(ifp);
}
}
-
+
if (newflags != oldflags) {
- log(LOG_INFO, "%s%d: promiscuous mode %s%s\n",
- ifp->if_name, ifp->if_unit,
+ log(LOG_INFO, "%s: promiscuous mode %s%s\n",
+ if_name(ifp),
(newflags & IFF_PROMISC) != 0 ? "enable" : "disable",
error != 0 ? " failed" : " succeeded");
}
*/
/*ARGSUSED*/
static int
-ifconf(u_long cmd, user_addr_t ifrp, int * ret_space)
+ifconf(u_long cmd, user_addr_t ifrp, int *ret_space)
{
struct ifnet *ifp = NULL;
struct ifaddr *ifa;
struct ifreq ifr;
int error = 0;
size_t space;
+ net_thread_marks_t marks;
+
+ marks = net_thread_marks_push(NET_THREAD_CKREQ_LLADDR);
/*
* Zero the ifr buffer to make sure we don't
size_t ifnlen, addrs;
ifnlen = snprintf(workbuf, sizeof(workbuf),
- "%s%d", ifp->if_name, ifp->if_unit);
- if(ifnlen + 1 > sizeof ifr.ifr_name) {
+ "%s", if_name(ifp));
+ if (ifnlen + 1 > sizeof(ifr.ifr_name)) {
error = ENAMETOOLONG;
break;
} else {
addrs = 0;
ifa = ifp->if_addrhead.tqh_first;
- for ( ; space > sizeof (ifr) && ifa;
+ for (; space > sizeof(ifr) && ifa;
ifa = ifa->ifa_link.tqe_next) {
struct sockaddr *sa;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_dl sdl;
+ uint8_t buf[SOCK_MAXADDRLEN + 1];
+ } u;
+
+ /*
+ * Make sure to accomodate the largest possible
+ * size of SA(if_lladdr)->sa_len.
+ */
+ _CASSERT(sizeof(u) == (SOCK_MAXADDRLEN + 1));
IFA_LOCK(ifa);
sa = ifa->ifa_addr;
-#ifndef __APPLE__
- if (curproc->p_prison && prison_if(curproc, sa)) {
+ addrs++;
+
+ if (ifa == ifp->if_lladdr) {
+ VERIFY(sa->sa_family == AF_LINK);
+ bcopy(sa, &u, sa->sa_len);
IFA_UNLOCK(ifa);
- continue;
+ ifnet_guarded_lladdr_copy_bytes(ifp,
+ LLADDR(&u.sdl), u.sdl.sdl_alen);
+ IFA_LOCK(ifa);
+ sa = &u.sa;
}
-#endif
- addrs++;
+
if (cmd == OSIOCGIFCONF32 || cmd == OSIOCGIFCONF64) {
struct osockaddr *osa =
- (struct osockaddr *)&ifr.ifr_addr;
+ (struct osockaddr *)(void *)&ifr.ifr_addr;
ifr.ifr_addr = *sa;
osa->sa_family = sa->sa_family;
error = copyout((caddr_t)&ifr, ifrp,
- sizeof (ifr));
+ sizeof(ifr));
ifrp += sizeof(struct ifreq);
} else if (sa->sa_len <= sizeof(*sa)) {
ifr.ifr_addr = *sa;
error = copyout((caddr_t)&ifr, ifrp,
- sizeof (ifr));
+ sizeof(ifr));
ifrp += sizeof(struct ifreq);
} else {
if (space <
- sizeof (ifr) + sa->sa_len - sizeof(*sa)) {
+ sizeof(ifr) + sa->sa_len - sizeof(*sa)) {
IFA_UNLOCK(ifa);
break;
}
space -= sa->sa_len - sizeof(*sa);
error = copyout((caddr_t)&ifr, ifrp,
- sizeof (ifr.ifr_name));
+ sizeof(ifr.ifr_name));
if (error == 0) {
- error = copyout((caddr_t)sa, (ifrp +
- offsetof(struct ifreq, ifr_addr)),
- sa->sa_len);
+ error = copyout((caddr_t)sa, (ifrp +
+ offsetof(struct ifreq, ifr_addr)),
+ sa->sa_len);
}
ifrp += (sa->sa_len + offsetof(struct ifreq,
ifr_addr));
}
IFA_UNLOCK(ifa);
- if (error)
+ if (error) {
break;
- space -= sizeof (ifr);
+ }
+ space -= sizeof(ifr);
}
ifnet_lock_done(ifp);
- if (error)
+ if (error) {
break;
+ }
if (!addrs) {
bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
- error = copyout((caddr_t)&ifr, ifrp, sizeof (ifr));
- if (error)
+ error = copyout((caddr_t)&ifr, ifrp, sizeof(ifr));
+ if (error) {
break;
- space -= sizeof (ifr);
+ }
+ space -= sizeof(ifr);
ifrp += sizeof(struct ifreq);
}
}
ifnet_head_done();
*ret_space -= space;
- return (error);
+ net_thread_marks_pop(marks);
+ return error;
}
/*
if_allmulti(struct ifnet *ifp, int onswitch)
{
int error = 0;
- int modified = 0;
-
+ int modified = 0;
+
ifnet_lock_exclusive(ifp);
if (onswitch) {
}
}
ifnet_lock_done(ifp);
-
- if (modified)
+
+ if (modified) {
error = ifnet_ioctl(ifp, 0, SIOCSIFFLAGS, NULL);
+ }
- if (error == 0)
+ if (error == 0) {
rt_ifmsg(ifp);
+ }
return error;
}
ifma->ifma_trace = ifma_trace;
}
}
- return (ifma);
+ return ifma;
}
static void
void
ifma_addref(struct ifmultiaddr *ifma, int locked)
{
- if (!locked)
+ if (!locked) {
IFMA_LOCK(ifma);
- else
+ } else {
IFMA_LOCK_ASSERT_HELD(ifma);
+ }
if (++ifma->ifma_refcount == 0) {
panic("%s: ifma=%p wraparound refcnt", __func__, ifma);
} else if (ifma->ifma_trace != NULL) {
(*ifma->ifma_trace)(ifma, TRUE);
}
- if (!locked)
+ if (!locked) {
IFMA_UNLOCK(ifma);
+ }
}
void
ifma->ifma_ifp = NULL;
ifma->ifma_ll = NULL;
IFMA_UNLOCK(ifma);
- ifma_free(ifma); /* deallocate it */
+ ifma_free(ifma); /* deallocate it */
- if (ll != NULL)
+ if (ll != NULL) {
IFMA_REMREF(ll);
+ }
}
static void
if (anon) {
--ifma->ifma_anoncnt;
- if (ifma->ifma_anoncnt > 0)
- return (0);
+ if (ifma->ifma_anoncnt > 0) {
+ return 0;
+ }
ifma->ifma_flags &= ~IFMAF_ANONYMOUS;
}
--ifma->ifma_reqcnt;
- if (ifma->ifma_reqcnt > 0)
- return (0);
+ if (ifma->ifma_reqcnt > 0) {
+ return 0;
+ }
if (ifma->ifma_protospec != NULL) {
panic("%s: Protospec not NULL for ifma=%p", __func__, ifma);
*/
ifma->ifma_debug &= ~IFD_ATTACHED;
LIST_REMOVE(ifma, ifma_link);
- if (LIST_EMPTY(&ifp->if_multiaddrs))
+ if (LIST_EMPTY(&ifp->if_multiaddrs)) {
ifp->if_updatemcasts = 0;
+ }
if (ifma->ifma_debug & IFD_DEBUG) {
/* Become a regular mutex, just in case */
ifma->ifma_debug |= IFD_TRASHED;
}
- return (1);
+ return 1;
}
/*
- * Find an ifmultiaddr that matches a socket address on an interface.
+ * Find an ifmultiaddr that matches a socket address on an interface.
*
* Caller is responsible for holding the ifnet_lock while calling
* this function.
struct ifmultiaddr *ifma;
for (ifma = LIST_FIRST(&ifp->if_multiaddrs); ifma != NULL;
- ifma = LIST_NEXT(ifma, ifma_link)) {
+ ifma = LIST_NEXT(ifma, ifma_link)) {
IFMA_LOCK_SPIN(ifma);
- if (!equal(sa, ifma->ifma_addr)) {
+ if (!ifa_equal(sa, ifma->ifma_addr)) {
IFMA_UNLOCK(ifma);
continue;
}
IFMA_ADDREF_LOCKED(ifma);
}
IFMA_UNLOCK(ifma);
- return (0);
+ return 0;
}
- return (ENOENT);
+ return ENOENT;
}
/*
* Radar 3642395, make sure all multicasts are in a standard format.
*/
-static struct sockaddr*
-copy_and_normalize(
- const struct sockaddr *original)
-{
- int alen = 0;
- const u_char *aptr = NULL;
- struct sockaddr *copy = NULL;
- struct sockaddr_dl *sdl_new = NULL;
- int len = 0;
-
+static struct sockaddr *
+copy_and_normalize(const struct sockaddr *original)
+{
+ int alen = 0;
+ const u_char *aptr = NULL;
+ struct sockaddr *copy = NULL;
+ struct sockaddr_dl *sdl_new = NULL;
+ int len = 0;
+
if (original->sa_family != AF_LINK &&
- original->sa_family != AF_UNSPEC) {
+ original->sa_family != AF_UNSPEC) {
/* Just make a copy */
- MALLOC(copy, struct sockaddr*, original->sa_len, M_IFADDR, M_WAITOK);
- if (copy != NULL)
+ MALLOC(copy, struct sockaddr *, original->sa_len,
+ M_IFADDR, M_WAITOK);
+ if (copy != NULL) {
bcopy(original, copy, original->sa_len);
+ }
return copy;
}
-
+
switch (original->sa_family) {
- case AF_LINK: {
- const struct sockaddr_dl *sdl_original =
- (const struct sockaddr_dl*)original;
-
- if (sdl_original->sdl_nlen + sdl_original->sdl_alen + sdl_original->sdl_slen +
- offsetof(struct sockaddr_dl, sdl_data) > sdl_original->sdl_len)
- return NULL;
-
- alen = sdl_original->sdl_alen;
- aptr = CONST_LLADDR(sdl_original);
+ case AF_LINK: {
+ const struct sockaddr_dl *sdl_original =
+ (struct sockaddr_dl *)(uintptr_t)(size_t)original;
+
+ if (sdl_original->sdl_nlen + sdl_original->sdl_alen +
+ sdl_original->sdl_slen +
+ offsetof(struct sockaddr_dl, sdl_data) >
+ sdl_original->sdl_len) {
+ return NULL;
}
- break;
-
- case AF_UNSPEC: {
- if (original->sa_len < ETHER_ADDR_LEN +
- offsetof(struct sockaddr, sa_data)) {
- return NULL;
- }
-
- alen = ETHER_ADDR_LEN;
- aptr = (const u_char*)original->sa_data;
+
+ alen = sdl_original->sdl_alen;
+ aptr = CONST_LLADDR(sdl_original);
+ }
+ break;
+
+ case AF_UNSPEC: {
+ if (original->sa_len < ETHER_ADDR_LEN +
+ offsetof(struct sockaddr, sa_data)) {
+ return NULL;
}
- break;
+
+ alen = ETHER_ADDR_LEN;
+ aptr = (const u_char *)original->sa_data;
}
-
- if (alen == 0 || aptr == NULL)
+ break;
+ }
+
+ if (alen == 0 || aptr == NULL) {
return NULL;
-
+ }
+
len = alen + offsetof(struct sockaddr_dl, sdl_data);
- MALLOC(sdl_new, struct sockaddr_dl*, len, M_IFADDR, M_WAITOK);
-
+ MALLOC(sdl_new, struct sockaddr_dl *, len, M_IFADDR, M_WAITOK);
+
if (sdl_new != NULL) {
bzero(sdl_new, len);
sdl_new->sdl_len = len;
sdl_new->sdl_alen = alen;
bcopy(aptr, LLADDR(sdl_new), alen);
}
-
- return (struct sockaddr*)sdl_new;
+
+ return (struct sockaddr *)sdl_new;
}
/*
if_addmulti(struct ifnet *ifp, const struct sockaddr *sa,
struct ifmultiaddr **retifma)
{
- return (if_addmulti_common(ifp, sa, retifma, 0));
+ return if_addmulti_common(ifp, sa, retifma, 0);
}
/*
* Anything other than network-layer protocol domains which hold references
* to the underlying link-layer record must use this routine: SIOCADDMULTI
- * ioctl, ifnet_add_multicast(), AppleTalk, if_bond.
+ * ioctl, ifnet_add_multicast(), if_bond.
*/
int
if_addmulti_anon(struct ifnet *ifp, const struct sockaddr *sa,
struct ifmultiaddr **retifma)
{
- return (if_addmulti_common(ifp, sa, retifma, 1));
+ return if_addmulti_common(ifp, sa, retifma, 1);
}
/*
/* If the address is already present, return a new reference to it */
error = if_addmulti_doesexist(ifp, sa, retifma, anon);
ifnet_lock_done(ifp);
- if (error == 0)
+ if (error == 0) {
goto cleanup;
+ }
/*
* The address isn't already present; give the link layer a chance
* maps to, if it isn't one already.
*/
error = dlil_resolve_multi(ifp, sa, (struct sockaddr *)&storage,
- sizeof (storage));
+ sizeof(storage));
if (error == 0 && storage.ss_len != 0) {
llsa = copy_and_normalize((struct sockaddr *)&storage);
if (llsa == NULL) {
}
/* to be similar to FreeBSD */
- if (error == EOPNOTSUPP)
+ if (error == EOPNOTSUPP) {
error = 0;
- else if (error != 0)
+ } else if (error != 0) {
goto cleanup;
+ }
/* Allocate while we aren't holding any locks */
if (dupsa == NULL) {
}
if (llifma != NULL) {
- VERIFY(!anon); /* must not get here if "anonymous" */
+ VERIFY(!anon); /* must not get here if "anonymous" */
if (if_addmulti_doesexist(ifp, llsa, &ifma->ifma_ll, 0) == 0) {
FREE(llsa, M_IFADDR);
llsa = NULL;
ifma->ifma_ifp = ifp;
IFMA_LOCK(ifma);
if_attach_ifma(ifp, ifma, anon);
- IFMA_ADDREF_LOCKED(ifma); /* for this routine */
+ IFMA_ADDREF_LOCKED(ifma); /* for this routine */
if (retifma != NULL) {
*retifma = ifma;
- IFMA_ADDREF_LOCKED(*retifma); /* for caller */
+ IFMA_ADDREF_LOCKED(*retifma); /* for caller */
}
lladdr = (ifma->ifma_addr->sa_family == AF_UNSPEC ||
ifma->ifma_addr->sa_family == AF_LINK);
ifnet_lock_done(ifp);
rt_newmaddrmsg(RTM_NEWMADDR, ifma);
- IFMA_REMREF(ifma); /* for this routine */
+ IFMA_REMREF(ifma); /* for this routine */
/*
* We are certain we have added something, so call down to the
* interface to let them know about it. Do this only for newly-
* added AF_LINK/AF_UNSPEC address in the if_multiaddrs set.
*/
- if (lladdr || ll_firstref)
+ if (lladdr || ll_firstref) {
(void) ifnet_ioctl(ifp, 0, SIOCADDMULTI, NULL);
+ }
- if (ifp->if_updatemcasts > 0)
+ if (ifp->if_updatemcasts > 0) {
ifp->if_updatemcasts = 0;
+ }
- return (0);
+ return 0;
cleanup:
- if (ifma != NULL)
+ if (ifma != NULL) {
ifma_free(ifma);
- if (dupsa != NULL)
+ }
+ if (dupsa != NULL) {
FREE(dupsa, M_IFADDR);
- if (llifma != NULL)
+ }
+ if (llifma != NULL) {
ifma_free(llifma);
- if (llsa != NULL)
+ }
+ if (llsa != NULL) {
FREE(llsa, M_IFADDR);
+ }
- return (error);
+ return error;
}
/*
int
if_delmulti(struct ifnet *ifp, const struct sockaddr *sa)
{
- return (if_delmulti_common(NULL, ifp, sa, 0));
+ return if_delmulti_common(NULL, ifp, sa, 0);
}
/*
int
if_delmulti_ifma(struct ifmultiaddr *ifma)
{
- return (if_delmulti_common(ifma, NULL, NULL, 0));
+ return if_delmulti_common(ifma, NULL, NULL, 0);
}
/*
* Anything other than network-layer protocol domains which hold references
* to the underlying link-layer record must use this routine: SIOCDELMULTI
- * ioctl, ifnet_remove_multicast(), AppleTalk, if_bond.
+ * ioctl, ifnet_remove_multicast(), if_bond.
*/
int
if_delmulti_anon(struct ifnet *ifp, const struct sockaddr *sa)
{
- return (if_delmulti_common(NULL, ifp, sa, 1));
+ return if_delmulti_common(NULL, ifp, sa, 1);
}
/*
if_delmulti_common(struct ifmultiaddr *ifma, struct ifnet *ifp,
const struct sockaddr *sa, int anon)
{
- struct sockaddr *dupsa = NULL;
- int lastref, ll_lastref = 0, lladdr;
- struct ifmultiaddr *ll = NULL;
+ struct sockaddr *dupsa = NULL;
+ int lastref, ll_lastref = 0, lladdr;
+ struct ifmultiaddr *ll = NULL;
/* sanity check for callers */
VERIFY(ifma != NULL || (ifp != NULL && sa != NULL));
- if (ifma != NULL)
+ if (ifma != NULL) {
ifp = ifma->ifma_ifp;
+ }
if (sa != NULL &&
(sa->sa_family == AF_LINK || sa->sa_family == AF_UNSPEC)) {
dupsa = copy_and_normalize(sa);
- if (dupsa == NULL)
- return (ENOMEM);
+ if (dupsa == NULL) {
+ return ENOMEM;
+ }
sa = dupsa;
}
ifnet_lock_exclusive(ifp);
if (ifma == NULL) {
for (ifma = LIST_FIRST(&ifp->if_multiaddrs); ifma != NULL;
- ifma = LIST_NEXT(ifma, ifma_link)) {
+ ifma = LIST_NEXT(ifma, ifma_link)) {
IFMA_LOCK(ifma);
- if (!equal(sa, ifma->ifma_addr) ||
+ if (!ifa_equal(sa, ifma->ifma_addr) ||
(anon && !(ifma->ifma_flags & IFMAF_ANONYMOUS))) {
VERIFY(!(ifma->ifma_flags & IFMAF_ANONYMOUS) ||
ifma->ifma_anoncnt != 0);
break;
}
if (ifma == NULL) {
- if (dupsa != NULL)
+ if (dupsa != NULL) {
FREE(dupsa, M_IFADDR);
+ }
ifnet_lock_done(ifp);
- return (ENOENT);
+ return ENOENT;
}
} else {
IFMA_LOCK(ifma);
}
IFMA_LOCK_ASSERT_HELD(ifma);
- IFMA_ADDREF_LOCKED(ifma); /* for this routine */
+ IFMA_ADDREF_LOCKED(ifma); /* for this routine */
lastref = if_detach_ifma(ifp, ifma, anon);
VERIFY(!lastref || (!(ifma->ifma_debug & IFD_ATTACHED) &&
ifma->ifma_reqcnt == 0));
}
ifnet_lock_done(ifp);
- if (lastref)
+ if (lastref) {
rt_newmaddrmsg(RTM_DELMADDR, ifma);
+ }
if ((ll == NULL && lastref && lladdr) || ll_lastref) {
/*
ifnet_ioctl(ifp, 0, SIOCDELMULTI, NULL);
}
- if (lastref)
- IFMA_REMREF(ifma); /* for if_multiaddrs list */
- if (ll_lastref)
- IFMA_REMREF(ll); /* for if_multiaddrs list */
-
- IFMA_REMREF(ifma); /* for this routine */
- if (dupsa != NULL)
+ if (lastref) {
+ IFMA_REMREF(ifma); /* for if_multiaddrs list */
+ }
+ if (ll_lastref) {
+ IFMA_REMREF(ll); /* for if_multiaddrs list */
+ }
+ IFMA_REMREF(ifma); /* for this routine */
+ if (dupsa != NULL) {
FREE(dupsa, M_IFADDR);
+ }
- return (0);
-}
-
-/*
- * We don't use if_setlladdr, our interfaces are responsible for
- * handling the SIOCSIFLLADDR ioctl.
- */
-#ifndef __APPLE__
-int
-if_setlladdr(struct ifnet *ifp, const u_char *lladdr, int len)
-{
- ...
+ return 0;
}
-#endif
-
-SYSCTL_NODE(_net, PF_LINK, link, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "Link layers");
-SYSCTL_NODE(_net_link, 0, generic, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "Generic link-management");
-
/*
* Shutdown all network activity. Used boot() when halting
if_down_all(void)
{
struct ifnet **ifp;
- u_int32_t count;
- u_int32_t i;
+ u_int32_t count;
+ u_int32_t i;
if (ifnet_list_get_all(IFNET_FAMILY_ANY, &ifp, &count) == 0) {
for (i = 0; i < count; i++) {
/*
* Delete Routes for a Network Interface
- *
+ *
* Called for each routing entry via the rnh->rnh_walktree() call above
* to delete all route entries referencing a detaching network interface.
*
static int
if_rtdel(struct radix_node *rn, void *arg)
{
- struct rtentry *rt = (struct rtentry *)rn;
- struct ifnet *ifp = arg;
- int err;
+ struct rtentry *rt = (struct rtentry *)rn;
+ struct ifnet *ifp = arg;
+ int err;
- if (rt == NULL)
- return (0);
+ if (rt == NULL) {
+ return 0;
+ }
/*
* Checking against RTF_UP protects against walktree
* recursion problems with cloned routes.
} else {
RT_UNLOCK(rt);
}
- return (0);
+ return 0;
}
/*
{
struct radix_node_head *rnh;
- if (use_routegenid)
- routegenid_update();
if ((protocol <= AF_MAX) && (protocol >= 0) &&
- ((rnh = rt_tables[protocol]) != NULL) && (ifp != NULL)) {
+ ((rnh = rt_tables[protocol]) != NULL) && (ifp != NULL)) {
lck_mtx_lock(rnh_lock);
(void) rnh->rnh_walktree(rnh, if_rtdel, ifp);
lck_mtx_unlock(rnh_lock);
* has not been locked (RTV_MTU is not set) and
* if it was non-zero to begin with.
*/
- if (!(rt->rt_rmx.rmx_locks & RTV_MTU) && rt->rt_rmx.rmx_mtu)
+ if (!(rt->rt_rmx.rmx_locks & RTV_MTU) && rt->rt_rmx.rmx_mtu) {
rt->rt_rmx.rmx_mtu = ifp->if_mtu;
+ if (rt_key(rt)->sa_family == AF_INET &&
+ INTF_ADJUST_MTU_FOR_CLAT46(ifp)) {
+ rt->rt_rmx.rmx_mtu = IN6_LINKMTU(ifp);
+ /* Further adjust the size for CLAT46 expansion */
+ rt->rt_rmx.rmx_mtu -= CLAT46_HDR_EXPANSION_OVERHD;
+ }
+ }
}
RT_UNLOCK(rt);
- return (0);
+ return 0;
}
/*
* associated with a particular interface; this is called when the
* MTU of that interface has changed.
*/
-static
-void if_rtmtu_update(struct ifnet *ifp)
+static void
+if_rtmtu_update(struct ifnet *ifp)
{
struct radix_node_head *rnh;
int p;
for (p = 0; p < AF_MAX + 1; p++) {
- if ((rnh = rt_tables[p]) == NULL)
+ if ((rnh = rt_tables[p]) == NULL) {
continue;
+ }
lck_mtx_lock(rnh_lock);
(void) rnh->rnh_walktree(rnh, if_rtmtu, ifp);
lck_mtx_unlock(rnh_lock);
}
-
- if (use_routegenid)
- routegenid_update();
+ routegenid_update();
}
__private_extern__ void
const struct if_data_internal *if_data_int, struct if_data *if_data)
{
#pragma unused(ifp)
-#define COPYFIELD(fld) if_data->fld = if_data_int->fld
-#define COPYFIELD32(fld) if_data->fld = (u_int32_t)(if_data_int->fld)
+#define COPYFIELD(fld) if_data->fld = if_data_int->fld
+#define COPYFIELD32(fld) if_data->fld = (u_int32_t)(if_data_int->fld)
/* compiler will cast down to 32-bit */
-#define COPYFIELD32_ATOMIC(fld) do { \
- atomic_get_64(if_data->fld, \
- (u_int64_t *)(void *)(uintptr_t)&if_data_int->fld); \
+#define COPYFIELD32_ATOMIC(fld) do { \
+ atomic_get_64(if_data->fld, \
+ (u_int64_t *)(void *)(uintptr_t)&if_data_int->fld); \
} while (0)
COPYFIELD(ifi_type);
COPYFIELD(ifi_recvtiming);
COPYFIELD(ifi_xmittiming);
-
+
if_data->ifi_lastchange.tv_sec = if_data_int->ifi_lastchange.tv_sec;
if_data->ifi_lastchange.tv_usec = if_data_int->ifi_lastchange.tv_usec;
-#if IF_LASTCHANGEUPTIME
if_data->ifi_lastchange.tv_sec += boottime_sec();
-#endif
if_data->ifi_unused2 = 0;
COPYFIELD(ifi_hwassist);
struct if_data64 *if_data64)
{
#pragma unused(ifp)
-#define COPYFIELD64(fld) if_data64->fld = if_data_int->fld
-#define COPYFIELD64_ATOMIC(fld) do { \
- atomic_get_64(if_data64->fld, \
- (u_int64_t *)(void *)(uintptr_t)&if_data_int->fld); \
+#define COPYFIELD64(fld) if_data64->fld = if_data_int->fld
+#define COPYFIELD64_ATOMIC(fld) do { \
+ atomic_get_64(if_data64->fld, \
+ (u_int64_t *)(void *)(uintptr_t)&if_data_int->fld); \
} while (0)
COPYFIELD64(ifi_type);
COPYFIELD64_ATOMIC(ifi_iqdrops);
COPYFIELD64_ATOMIC(ifi_noproto);
- /* Note these two fields are actually 32 bit, so doing COPYFIELD64_ATOMIC will
- * cause them to be misaligned
+ /*
+ * Note these two fields are actually 32 bit, so doing
+ * COPYFIELD64_ATOMIC will cause them to be misaligned
*/
COPYFIELD64(ifi_recvtiming);
COPYFIELD64(ifi_xmittiming);
if_data64->ifi_lastchange.tv_sec = if_data_int->ifi_lastchange.tv_sec;
if_data64->ifi_lastchange.tv_usec = if_data_int->ifi_lastchange.tv_usec;
-#if IF_LASTCHANGEUPTIME
if_data64->ifi_lastchange.tv_sec += boottime_sec();
-#endif
#undef COPYFIELD64
}
if_copy_traffic_class(struct ifnet *ifp,
struct if_traffic_class *if_tc)
{
-#define COPY_IF_TC_FIELD64_ATOMIC(fld) do { \
- atomic_get_64(if_tc->fld, \
- (u_int64_t *)(void *)(uintptr_t)&ifp->if_tc.fld); \
+#define COPY_IF_TC_FIELD64_ATOMIC(fld) do { \
+ atomic_get_64(if_tc->fld, \
+ (u_int64_t *)(void *)(uintptr_t)&ifp->if_tc.fld); \
} while (0)
+ bzero(if_tc, sizeof(*if_tc));
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_ibepackets);
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_ibebytes);
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_obepackets);
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_obebytes);
COPY_IF_TC_FIELD64_ATOMIC(ifi_ibkpackets);
COPY_IF_TC_FIELD64_ATOMIC(ifi_ibkbytes);
COPY_IF_TC_FIELD64_ATOMIC(ifi_obkpackets);
COPY_IF_TC_FIELD64_ATOMIC(ifi_ivobytes);
COPY_IF_TC_FIELD64_ATOMIC(ifi_ovopackets);
COPY_IF_TC_FIELD64_ATOMIC(ifi_ovobytes);
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_ipvpackets);
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_ipvbytes);
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_opvpackets);
+ COPY_IF_TC_FIELD64_ATOMIC(ifi_opvbytes);
#undef COPY_IF_TC_FIELD64_ATOMIC
}
+void
+if_copy_data_extended(struct ifnet *ifp, struct if_data_extended *if_de)
+{
+#define COPY_IF_DE_FIELD64_ATOMIC(fld) do { \
+ atomic_get_64(if_de->fld, \
+ (u_int64_t *)(void *)(uintptr_t)&ifp->if_data.fld); \
+} while (0)
+
+ bzero(if_de, sizeof(*if_de));
+ COPY_IF_DE_FIELD64_ATOMIC(ifi_alignerrs);
+ COPY_IF_DE_FIELD64_ATOMIC(ifi_dt_bytes);
+ COPY_IF_DE_FIELD64_ATOMIC(ifi_fpackets);
+ COPY_IF_DE_FIELD64_ATOMIC(ifi_fbytes);
+
+#undef COPY_IF_DE_FIELD64_ATOMIC
+}
+
+void
+if_copy_packet_stats(struct ifnet *ifp, struct if_packet_stats *if_ps)
+{
+#define COPY_IF_PS_TCP_FIELD64_ATOMIC(fld) do { \
+ atomic_get_64(if_ps->ifi_tcp_##fld, \
+ (u_int64_t *)(void *)(uintptr_t)&ifp->if_tcp_stat->fld); \
+} while (0)
+
+#define COPY_IF_PS_UDP_FIELD64_ATOMIC(fld) do { \
+ atomic_get_64(if_ps->ifi_udp_##fld, \
+ (u_int64_t *)(void *)(uintptr_t)&ifp->if_udp_stat->fld); \
+} while (0)
+
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(badformat);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(unspecv6);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(synfin);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(badformatipsec);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(noconnnolist);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(noconnlist);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(listbadsyn);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(icmp6unreach);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(deprecate6);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(ooopacket);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(rstinsynrcv);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(dospacket);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(cleanup);
+ COPY_IF_PS_TCP_FIELD64_ATOMIC(synwindow);
+
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(port_unreach);
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(faithprefix);
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(port0);
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(badlength);
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(badchksum);
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(badmcast);
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(cleanup);
+ COPY_IF_PS_UDP_FIELD64_ATOMIC(badipsec);
+
+#undef COPY_IF_PS_TCP_FIELD64_ATOMIC
+#undef COPY_IF_PS_UDP_FIELD64_ATOMIC
+}
+
+void
+if_copy_rxpoll_stats(struct ifnet *ifp, struct if_rxpoll_stats *if_rs)
+{
+ bzero(if_rs, sizeof(*if_rs));
+ if (!(ifp->if_eflags & IFEF_RXPOLL) || !ifnet_is_attached(ifp, 1)) {
+ return;
+ }
+ bcopy(&ifp->if_poll_pstats, if_rs, sizeof(*if_rs));
+ /* Release the IO refcnt */
+ ifnet_decr_iorefcnt(ifp);
+}
+
+void
+if_copy_netif_stats(struct ifnet *ifp, struct if_netif_stats *if_ns)
+{
+ bzero(if_ns, sizeof(*if_ns));
+#pragma unused(ifp)
+}
struct ifaddr *
ifa_remref(struct ifaddr *ifa, int locked)
{
- if (!locked)
+ if (!locked) {
IFA_LOCK_SPIN(ifa);
- else
+ } else {
IFA_LOCK_ASSERT_HELD(ifa);
+ }
- if (ifa->ifa_refcnt == 0)
+ if (ifa->ifa_refcnt == 0) {
panic("%s: ifa %p negative refcnt\n", __func__, ifa);
- else if (ifa->ifa_trace != NULL)
+ } else if (ifa->ifa_trace != NULL) {
(*ifa->ifa_trace)(ifa, FALSE);
+ }
if (--ifa->ifa_refcnt == 0) {
- if (ifa->ifa_debug & IFD_ATTACHED)
+ if (ifa->ifa_debug & IFD_ATTACHED) {
panic("ifa %p attached to ifp is being freed\n", ifa);
+ }
/*
* Some interface addresses are allocated either statically
- * or carved out of a larger block; e.g. AppleTalk addresses.
- * Only free it if it was allocated via MALLOC or via the
- * corresponding per-address family allocator. Otherwise,
- * leave it alone.
+ * or carved out of a larger block. Only free it if it was
+ * allocated via MALLOC or via the corresponding per-address
+ * family allocator. Otherwise, leave it alone.
*/
if (ifa->ifa_debug & IFD_ALLOC) {
if (ifa->ifa_free == NULL) {
ifa = NULL;
}
- if (!locked && ifa != NULL)
+ if (!locked && ifa != NULL) {
IFA_UNLOCK(ifa);
+ }
- return (ifa);
+ return ifa;
}
void
ifa_addref(struct ifaddr *ifa, int locked)
{
- if (!locked)
+ if (!locked) {
IFA_LOCK_SPIN(ifa);
- else
+ } else {
IFA_LOCK_ASSERT_HELD(ifa);
+ }
if (++ifa->ifa_refcnt == 0) {
panic("%s: ifa %p wraparound refcnt\n", __func__, ifa);
} else if (ifa->ifa_trace != NULL) {
(*ifa->ifa_trace)(ifa, TRUE);
}
- if (!locked)
+ if (!locked) {
IFA_UNLOCK(ifa);
+ }
}
void
IFA_LOCK_ASSERT_NOTHELD(ifa);
lck_mtx_destroy(&ifa->ifa_lock, ifa_mtx_grp);
}
+
+/*
+ * 'i' group ioctls.
+ *
+ * The switch statement below does nothing at runtime, as it serves as a
+ * compile time check to ensure that all of the socket 'i' ioctls (those
+ * in the 'i' group going thru soo_ioctl) that are made available by the
+ * networking stack is unique. This works as long as this routine gets
+ * updated each time a new interface ioctl gets added.
+ *
+ * Any failures at compile time indicates duplicated ioctl values.
+ */
+static __attribute__((unused)) void
+ifioctl_cassert(void)
+{
+ /*
+ * This is equivalent to _CASSERT() and the compiler wouldn't
+ * generate any instructions, thus for compile time only.
+ */
+ switch ((u_long)0) {
+ case 0:
+
+ /* bsd/net/if_ppp.h */
+ case SIOCGPPPSTATS:
+ case SIOCGPPPCSTATS:
+
+ /* bsd/netinet6/in6_var.h */
+ case SIOCSIFADDR_IN6:
+ case SIOCGIFADDR_IN6:
+ case SIOCSIFDSTADDR_IN6:
+ case SIOCSIFNETMASK_IN6:
+ case SIOCGIFDSTADDR_IN6:
+ case SIOCGIFNETMASK_IN6:
+ case SIOCDIFADDR_IN6:
+ case SIOCAIFADDR_IN6_32:
+ case SIOCAIFADDR_IN6_64:
+ case SIOCSIFPHYADDR_IN6_32:
+ case SIOCSIFPHYADDR_IN6_64:
+ case SIOCGIFPSRCADDR_IN6:
+ case SIOCGIFPDSTADDR_IN6:
+ case SIOCGIFAFLAG_IN6:
+ case SIOCGDRLST_IN6_32:
+ case SIOCGDRLST_IN6_64:
+ case SIOCGPRLST_IN6_32:
+ case SIOCGPRLST_IN6_64:
+ case OSIOCGIFINFO_IN6:
+ case SIOCGIFINFO_IN6:
+ case SIOCSNDFLUSH_IN6:
+ case SIOCGNBRINFO_IN6_32:
+ case SIOCGNBRINFO_IN6_64:
+ case SIOCSPFXFLUSH_IN6:
+ case SIOCSRTRFLUSH_IN6:
+ case SIOCGIFALIFETIME_IN6:
+ case SIOCSIFALIFETIME_IN6:
+ case SIOCGIFSTAT_IN6:
+ case SIOCGIFSTAT_ICMP6:
+ case SIOCSDEFIFACE_IN6_32:
+ case SIOCSDEFIFACE_IN6_64:
+ case SIOCGDEFIFACE_IN6_32:
+ case SIOCGDEFIFACE_IN6_64:
+ case SIOCSIFINFO_FLAGS:
+ case SIOCSSCOPE6:
+ case SIOCGSCOPE6:
+ case SIOCGSCOPE6DEF:
+ case SIOCSIFPREFIX_IN6:
+ case SIOCGIFPREFIX_IN6:
+ case SIOCDIFPREFIX_IN6:
+ case SIOCAIFPREFIX_IN6:
+ case SIOCCIFPREFIX_IN6:
+ case SIOCSGIFPREFIX_IN6:
+ case SIOCPROTOATTACH_IN6_32:
+ case SIOCPROTOATTACH_IN6_64:
+ case SIOCPROTODETACH_IN6:
+ case SIOCLL_START_32:
+ case SIOCLL_START_64:
+ case SIOCLL_STOP:
+ case SIOCAUTOCONF_START:
+ case SIOCAUTOCONF_STOP:
+ case SIOCSETROUTERMODE_IN6:
+ case SIOCGETROUTERMODE_IN6:
+ case SIOCLL_CGASTART_32:
+ case SIOCLL_CGASTART_64:
+ case SIOCGIFCGAPREP_IN6:
+ case SIOCSIFCGAPREP_IN6:
+
+ /* bsd/sys/sockio.h */
+ case SIOCSIFADDR:
+ case OSIOCGIFADDR:
+ case SIOCSIFDSTADDR:
+ case OSIOCGIFDSTADDR:
+ case SIOCSIFFLAGS:
+ case SIOCGIFFLAGS:
+ case OSIOCGIFBRDADDR:
+ case SIOCSIFBRDADDR:
+ case OSIOCGIFCONF32:
+ case OSIOCGIFCONF64:
+ case OSIOCGIFNETMASK:
+ case SIOCSIFNETMASK:
+ case SIOCGIFMETRIC:
+ case SIOCSIFMETRIC:
+ case SIOCDIFADDR:
+ case SIOCAIFADDR:
+
+ case SIOCGIFADDR:
+ case SIOCGIFDSTADDR:
+ case SIOCGIFBRDADDR:
+ case SIOCGIFCONF32:
+ case SIOCGIFCONF64:
+ case SIOCGIFNETMASK:
+ case SIOCAUTOADDR:
+ case SIOCAUTONETMASK:
+ case SIOCARPIPLL:
+
+ case SIOCADDMULTI:
+ case SIOCDELMULTI:
+ case SIOCGIFMTU:
+ case SIOCSIFMTU:
+ case SIOCGIFPHYS:
+ case SIOCSIFPHYS:
+ case SIOCSIFMEDIA:
+ case SIOCGIFMEDIA32:
+ case SIOCGIFMEDIA64:
+ case SIOCGIFXMEDIA32:
+ case SIOCGIFXMEDIA64:
+ case SIOCSIFGENERIC:
+ case SIOCGIFGENERIC:
+ case SIOCRSLVMULTI:
+
+ case SIOCSIFLLADDR:
+ case SIOCGIFSTATUS:
+ case SIOCSIFPHYADDR:
+ case SIOCGIFPSRCADDR:
+ case SIOCGIFPDSTADDR:
+ case SIOCDIFPHYADDR:
+
+ case SIOCGIFDEVMTU:
+ case SIOCSIFALTMTU:
+ case SIOCGIFALTMTU:
+ case SIOCSIFBOND:
+ case SIOCGIFBOND:
+
+ case SIOCPROTOATTACH:
+ case SIOCPROTODETACH:
+
+ case SIOCSIFCAP:
+ case SIOCGIFCAP:
+
+ case SIOCIFCREATE:
+ case SIOCIFDESTROY:
+ case SIOCIFCREATE2:
+
+ case SIOCSDRVSPEC32:
+ case SIOCGDRVSPEC32:
+ case SIOCSDRVSPEC64:
+ case SIOCGDRVSPEC64:
+
+ case SIOCSIFVLAN:
+ case SIOCGIFVLAN:
+
+ case SIOCIFGCLONERS32:
+ case SIOCIFGCLONERS64:
+
+ case SIOCGIFASYNCMAP:
+ case SIOCSIFASYNCMAP:
+ case SIOCSIFKPI:
+ case SIOCGIFKPI:
+
+ case SIOCGIFWAKEFLAGS:
+
+ case SIOCGIFGETRTREFCNT:
+ case SIOCGIFLINKQUALITYMETRIC:
+ case SIOCSIFOPPORTUNISTIC:
+ case SIOCGIFOPPORTUNISTIC:
+ case SIOCGETROUTERMODE:
+ case SIOCSETROUTERMODE:
+ case SIOCGIFEFLAGS:
+ case SIOCSIFDESC:
+ case SIOCGIFDESC:
+ case SIOCSIFLINKPARAMS:
+ case SIOCGIFLINKPARAMS:
+ case SIOCGIFQUEUESTATS:
+ case SIOCSIFTHROTTLE:
+ case SIOCGIFTHROTTLE:
+
+ case SIOCGASSOCIDS32:
+ case SIOCGASSOCIDS64:
+ case SIOCGCONNIDS32:
+ case SIOCGCONNIDS64:
+ case SIOCGCONNINFO32:
+ case SIOCGCONNINFO64:
+ case SIOCSCONNORDER:
+ case SIOCGCONNORDER:
+
+ case SIOCSIFLOG:
+ case SIOCGIFLOG:
+ case SIOCGIFDELEGATE:
+ case SIOCGIFLLADDR:
+ case SIOCGIFTYPE:
+ case SIOCGIFEXPENSIVE:
+ case SIOCSIFEXPENSIVE:
+ case SIOCGIF2KCL:
+ case SIOCSIF2KCL:
+ case SIOCGSTARTDELAY:
+
+ case SIOCAIFAGENTID:
+ case SIOCDIFAGENTID:
+ case SIOCGIFAGENTIDS32:
+ case SIOCGIFAGENTIDS64:
+ case SIOCGIFAGENTDATA32:
+ case SIOCGIFAGENTDATA64:
+
+ case SIOCSIFINTERFACESTATE:
+ case SIOCGIFINTERFACESTATE:
+ case SIOCSIFPROBECONNECTIVITY:
+ case SIOCGIFPROBECONNECTIVITY:
+
+ case SIOCGIFFUNCTIONALTYPE:
+ case SIOCSIFNETSIGNATURE:
+ case SIOCGIFNETSIGNATURE:
+
+ case SIOCSIFNETWORKID:
+ case SIOCGECNMODE:
+ case SIOCSECNMODE:
+
+ case SIOCSIFORDER:
+
+ case SIOCSQOSMARKINGMODE:
+ case SIOCSQOSMARKINGENABLED:
+ case SIOCGQOSMARKINGMODE:
+ case SIOCGQOSMARKINGENABLED:
+
+ case SIOCSIFTIMESTAMPENABLE:
+ case SIOCSIFTIMESTAMPDISABLE:
+ case SIOCGIFTIMESTAMPENABLED:
+
+ case SIOCSIFDISABLEOUTPUT:
+
+ case SIOCSIFSUBFAMILY:
+
+ case SIOCGIFAGENTLIST32:
+ case SIOCGIFAGENTLIST64:
+
+ case SIOCSIFLOWINTERNET:
+ case SIOCGIFLOWINTERNET:
+
+ case SIOCGIFNAT64PREFIX:
+ case SIOCSIFNAT64PREFIX:
+
+ case SIOCGIFCLAT46ADDR:
+
+ case SIOCGIFPROTOLIST32:
+ case SIOCGIFPROTOLIST64:
+
+ case SIOCSIF6LOWPAN:
+ case SIOCGIF6LOWPAN:
+
+ case SIOCGIFLOWPOWER:
+ case SIOCSIFLOWPOWER:
+
+ case SIOCGIFMPKLOG:
+ case SIOCSIFMPKLOG:
+
+ case SIOCGIFCONSTRAINED:
+ case SIOCSIFCONSTRAINED:
+
+ case SIOCGIFXFLAGS:
+
+ case SIOCGIFNOACKPRIO:
+ case SIOCSIFNOACKPRIO:
+ ;
+ }
+}
+
+uint32_t
+ifnet_mbuf_packetpreamblelen(struct ifnet *ifp)
+{
+#pragma unused(ifp)
+ return 0;
+}
+
+/* The following is used to enqueue work items for interface events */
+struct intf_event {
+ struct ifnet *ifp;
+ union sockaddr_in_4_6 addr;
+ uint32_t intf_event_code;
+};
+
+static void
+intf_event_callback(void *arg)
+{
+ struct intf_event *p_intf_ev = (struct intf_event *)arg;
+
+ /* Call this before we walk the tree */
+ EVENTHANDLER_INVOKE(&ifnet_evhdlr_ctxt, ifnet_event, p_intf_ev->ifp,
+ (struct sockaddr *)&(p_intf_ev->addr), p_intf_ev->intf_event_code);
+}
+
+struct intf_event_nwk_wq_entry {
+ struct nwk_wq_entry nwk_wqe;
+ struct intf_event intf_ev_arg;
+};
+
+void
+intf_event_enqueue_nwk_wq_entry(struct ifnet *ifp, struct sockaddr *addrp,
+ uint32_t intf_event_code)
+{
+#pragma unused(addrp)
+ struct intf_event_nwk_wq_entry *p_intf_ev = NULL;
+
+ MALLOC(p_intf_ev, struct intf_event_nwk_wq_entry *,
+ sizeof(struct intf_event_nwk_wq_entry),
+ M_NWKWQ, M_WAITOK | M_ZERO);
+
+ p_intf_ev->intf_ev_arg.ifp = ifp;
+ /*
+ * XXX Not using addr in the arg. This will be used
+ * once we need IP address add/delete events
+ */
+ p_intf_ev->intf_ev_arg.intf_event_code = intf_event_code;
+ p_intf_ev->nwk_wqe.func = intf_event_callback;
+ p_intf_ev->nwk_wqe.is_arg_managed = TRUE;
+ p_intf_ev->nwk_wqe.arg = &p_intf_ev->intf_ev_arg;
+ nwk_wq_enqueue((struct nwk_wq_entry*)p_intf_ev);
+}
+
+int
+if_get_tcp_kao_max(struct ifnet *ifp)
+{
+ int error = 0;
+
+ if (ifp->if_tcp_kao_max == 0) {
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(struct ifreq));
+ error = ifnet_ioctl(ifp, 0, SIOCGIFTCPKAOMAX, &ifr);
+
+ ifnet_lock_exclusive(ifp);
+ if (error == 0) {
+ ifp->if_tcp_kao_max = ifr.ifr_tcp_kao_max;
+ } else if (error == EOPNOTSUPP) {
+ ifp->if_tcp_kao_max = default_tcp_kao_max;
+ }
+ ifnet_lock_done(ifp);
+ }
+ return error;
+}
projects / apple / xnu.git / blobdiff