/*
- * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#ifdef PRIVATE
#include <net/route.h>
#endif
+#ifdef BSD_KERN_PRIVATE
+#include <sys/eventhandler.h>
+#endif
#ifdef KERNEL
#include <net/kpi_interface.h>
u_int64_t ecn_total_conn;
u_int64_t ecn_fallback_droprst;
u_int64_t ecn_fallback_droprxmt;
+ u_int64_t ecn_fallback_synrst;
struct if_tcp_ecn_perf_stat ecn_on;
struct if_tcp_ecn_perf_stat ecn_off;
};
+struct if_lim_perf_stat {
+ u_int64_t lim_dl_max_bandwidth; /* bits per second */
+ u_int64_t lim_ul_max_bandwidth; /* bits per second */
+ u_int64_t lim_total_txpkts; /* Total transmit packets, count */
+ u_int64_t lim_total_rxpkts; /* Total receive packets, count */
+ u_int64_t lim_total_retxpkts; /* Total retransmit packets */
+ u_int64_t lim_packet_loss_percent; /* Packet loss rate */
+ u_int64_t lim_total_oopkts; /* Total out-of-order packets */
+ u_int64_t lim_packet_ooo_percent; /* Out-of-order packet rate */
+ u_int64_t lim_rtt_variance; /* RTT variance, milliseconds */
+ u_int64_t lim_rtt_average; /* RTT average, milliseconds */
+ u_int64_t lim_rtt_min; /* RTT minimum, milliseconds */
+ u_int64_t lim_conn_timeouts; /* connection timeouts */
+ u_int64_t lim_conn_attempts; /* connection attempts */
+ u_int64_t lim_conn_timeout_percent; /* Rate of connection timeouts */
+ u_int64_t lim_bk_txpkts; /* Transmit packets with BK service class, that use delay based algorithms */
+ u_int64_t lim_dl_detected:1, /* Low internet */
+ lim_ul_detected:1;
+};
+
+#define IF_VAR_H_HAS_IFNET_STATS_PER_FLOW 1
+struct ifnet_stats_per_flow {
+ u_int64_t bk_txpackets;
+ u_int64_t txpackets;
+ u_int64_t rxpackets;
+ u_int32_t txretransmitbytes;
+ u_int32_t rxoutoforderbytes;
+ u_int32_t rxmitpkts;
+ u_int32_t rcvoopack;
+ u_int32_t pawsdrop;
+ u_int32_t sack_recovery_episodes;
+ u_int32_t reordered_pkts;
+ u_int32_t dsack_sent;
+ u_int32_t dsack_recvd;
+ u_int32_t srtt;
+ u_int32_t rttupdated;
+ u_int32_t rttvar;
+ u_int32_t rttmin;
+ u_int32_t bw_sndbw_max;
+ u_int32_t bw_rcvbw_max;
+ u_int32_t ecn_recv_ece;
+ u_int32_t ecn_recv_ce;
+ u_int16_t ecn_flags;
+ u_int16_t ipv4:1,
+ local:1,
+ connreset:1,
+ conntimeout:1,
+ rxmit_drop:1,
+ ecn_fallback_synloss:1,
+ ecn_fallback_droprst:1,
+ ecn_fallback_droprxmt:1,
+ ecn_fallback_ce:1,
+ ecn_fallback_reorder:1;
+};
+
/*
* Interface link status report -- includes statistics related to
* the link layer technology sent by the driver. The driver will monitor
uint64_t cls_three;
uint64_t cls_four;
uint64_t cls_five_or_more;
-};
+} __attribute__((__aligned__(sizeof (uint64_t))));
#endif /* PRIVATE */
u_int32_t ifi_mtu; /* maximum transmission unit */
u_int32_t ifi_metric; /* routing metric (external only) */
u_int32_t ifi_baudrate; /* linespeed */
- u_int32_t ifi_preamblelen;/* length of the packet preamble */
/* volatile statistics */
u_int64_t ifi_ipackets; /* packets received on interface */
u_int64_t ifi_ierrors; /* input errors on interface */
u_int64_t ifi_fpackets; /* forwarded packets on interface */
u_int64_t ifi_fbytes; /* forwarded bytes on interface */
struct timeval ifi_lastchange; /* time of last administrative change */
+ struct timeval ifi_lastupdown; /* time of last up/down event */
u_int32_t ifi_hwassist; /* HW offload capabilities */
u_int32_t ifi_tso_v4_mtu; /* TCP Segment Offload IPv4 maximum segment size */
u_int32_t ifi_tso_v6_mtu; /* TCP Segment Offload IPv6 maximum segment size */
};
-
-#if MEASURE_BW
-/*
- * Fields per interface to measure perceived bandwidth.
- */
-struct if_measured_bw {
- u_int64_t bw; /* measured bandwidth in bytes per ms */
- u_int64_t bytes; /* XXX not needed */
- u_int64_t ts; /* XXX not needed */
- u_int64_t cur_seq __attribute((aligned(8))); /* current sequence for marking a packet */
- u_int64_t start_ts; /* time at which a measurement started */
- u_int64_t start_seq; /* sequence at which a measurement should start */
- u_int64_t last_seq; /* last recorded seq */
- u_int64_t last_ts; /* last recorded ts */
- u_int32_t flags __attribute__((aligned(4))); /* flags */
-#define IF_MEASURED_BW_INPROGRESS 0x1
-#define IF_MEASURED_BW_CALCULATION 0x2
-};
-#endif /* MEASURE_BW */
#endif /* BSD_KERNEL_PRIVATE */
#ifdef PRIVATE
#define if_physical if_data.ifi_physical
#define if_addrlen if_data.ifi_addrlen
#define if_hdrlen if_data.ifi_hdrlen
-#define if_preamblelen if_data.ifi_preamblelen
#define if_metric if_data.ifi_metric
#define if_baudrate if_data.ifi_baudrate
#define if_hwassist if_data.ifi_hwassist
#define if_dt_bytes if_data.ifi_dt_bytes
#define if_fpackets if_data.ifi_fpackets
#define if_fbytes if_data.ifi_fbytes
+#define if_lastupdown if_data.ifi_lastupdown
#endif /* BSD_KERNEL_PRIVATE */
#ifdef BSD_KERNEL_PRIVATE
TAILQ_HEAD(tailq_head, tqdummy);
TAILQ_HEAD(ifnet_filter_head, ifnet_filter);
TAILQ_HEAD(ddesc_head_name, dlil_demux_desc);
+
+extern boolean_t intcoproc_unrestricted;
#endif /* BSD_KERNEL_PRIVATE */
#ifdef PRIVATE
/*
- * All of the following IF_HWASSIST_* flags are defined in kpi_inteface.h as
+ * All of the following IF_HWASSIST_* flags are defined in kpi_interface.h as
* IFNET_* flags. These are redefined here as constants to avoid failures to
* build user level programs that can not include kpi_interface.h. It is
* important to keep this in sync with the definitions in kpi_interface.h.
#define IF_HWASSIST_CSUM_UDPIPV6 0x0040 /* will csum UDPv6, IFNET_CSUM_UDP */
#define IF_HWASSIST_CSUM_FRAGMENT_IPV6 0x0080 /* will do IPv6 fragmentation, IFNET_IPV6_FRAGMENT */
#define IF_HWASSIST_CSUM_PARTIAL 0x1000 /* simple Sum16 computation, IFNET_CSUM_PARTIAL */
+#define IF_HWASSIST_CSUM_ZERO_INVERT 0x2000 /* capable of inverting csum of 0 to -0 (0xffff) */
#define IF_HWASSIST_CSUM_MASK 0xffff
#define IF_HWASSIST_CSUM_FLAGS(hwassist) ((hwassist) & IF_HWASSIST_CSUM_MASK)
RB_HEAD(ll_reach_tree, if_llreach); /* define struct ll_reach_tree */
+
+typedef errno_t (*dlil_input_func)(ifnet_t ifp, mbuf_t m_head,
+ mbuf_t m_tail, const struct ifnet_stat_increment_param *s,
+ boolean_t poll, struct thread *tp);
+typedef errno_t (*dlil_output_func)(ifnet_t interface, mbuf_t data);
+
#define if_name(ifp) ifp->if_xname
/*
* Structure defining a network interface.
ifnet_family_t if_family; /* value assigned by Apple */
ifnet_subfamily_t if_subfamily; /* value assigned by Apple */
uintptr_t if_family_cookie;
- ifnet_output_handler_func if_output_handler;
+ volatile dlil_input_func if_input_dlil;
+ volatile dlil_output_func if_output_dlil;
+ volatile ifnet_start_func if_start;
ifnet_output_func if_output;
ifnet_pre_enqueue_func if_pre_enqueue;
- ifnet_start_func if_start;
ifnet_ctl_func if_output_ctl;
- ifnet_input_handler_func if_input_handler;
ifnet_input_poll_func if_input_poll;
ifnet_ctl_func if_input_ctl;
ifnet_ioctl_func if_ioctl;
struct dlil_threading_info *if_inp;
+ /* allocated once along with dlil_ifnet and is never freed */
+ thread_call_t if_dt_tcall;
+
struct {
u_int32_t length;
union {
struct mld_ifinfo *if_mli; /* for MLDv2 */
#endif /* INET6 */
-#if MEASURE_BW
- struct if_measured_bw if_bw;
-#endif /* MEASURE_BW */
struct tcpstat_local *if_tcp_stat; /* TCP specific stats */
struct udpstat_local *if_udp_stat; /* UDP specific stats */
struct if_interface_state if_interface_state;
struct if_tcp_ecn_stat *if_ipv4_stat;
struct if_tcp_ecn_stat *if_ipv6_stat;
+
+ struct if_lim_perf_stat if_lim_stat;
};
+/* Interface event handling declarations */
+extern struct eventhandler_lists_ctxt ifnet_evhdlr_ctxt;
+
+typedef enum {
+ INTF_EVENT_CODE_CREATED,
+ INTF_EVENT_CODE_REMOVED,
+ INTF_EVENT_CODE_STATUS_UPDATE,
+ INTF_EVENT_CODE_IPADDR_ATTACHED,
+ INTF_EVENT_CODE_IPADDR_DETACHED,
+ INTF_EVENT_CODE_LLADDR_UPDATE,
+ INTF_EVENT_CODE_MTU_CHANGED,
+} intf_event_code_t;
+
+typedef void (*ifnet_event_fn)(struct eventhandler_entry_arg, struct ifnet *, struct sockaddr *, intf_event_code_t);
+EVENTHANDLER_DECLARE(ifnet_event, ifnet_event_fn);
+
#define IF_TCP_STATINC(_ifp, _s) do { \
if ((_ifp)->if_tcp_stat != NULL) \
atomic_add_64(&(_ifp)->if_tcp_stat->_s, 1); \
/*
* Valid values for if_refflags
*/
-#define IFRF_ATTACHED 0x1 /* ifnet attach is completely done */
-#define IFRF_DETACHING 0x2 /* detach has been requested */
-
+#define IFRF_EMBRYONIC 0x1 /* ifnet is allocated; awaiting attach */
+#define IFRF_ATTACHED 0x2 /* ifnet attach is completely done */
+#define IFRF_DETACHING 0x4 /* detach has been requested */
+#define IFRF_ATTACH_MASK \
+ (IFRF_EMBRYONIC|IFRF_ATTACHED|IFRF_DETACHING)
+
+#define IF_FULLY_ATTACHED(_ifp) \
+ (((_ifp)->if_refflags & IFRF_ATTACH_MASK) == IFRF_ATTACHED)
/*
* Valid values for if_start_flags
*/
(struct ifaddr *, int);
void (*ifa_attached)(struct ifaddr *); /* callback fn for attaching */
void (*ifa_detached)(struct ifaddr *); /* callback fn for detaching */
+#if __arm__ && (__BIGGEST_ALIGNMENT__ > 4)
+/* For the newer ARMv7k ABI where 64-bit types are 64-bit aligned, but pointers
+ * are 32-bit:
+ * Align to 64-bit since we cast to this to struct in6_ifaddr, which is
+ * 64-bit aligned
+ */
+} __attribute__ ((aligned(8)));
+#else
};
+#endif
/*
#define IFD_NOTREADY 0x40 /* embryonic; not yet ready */
#define IFA_LOCK_ASSERT_HELD(_ifa) \
- lck_mtx_assert(&(_ifa)->ifa_lock, LCK_MTX_ASSERT_OWNED)
+ LCK_MTX_ASSERT(&(_ifa)->ifa_lock, LCK_MTX_ASSERT_OWNED)
#define IFA_LOCK_ASSERT_NOTHELD(_ifa) \
- lck_mtx_assert(&(_ifa)->ifa_lock, LCK_MTX_ASSERT_NOTOWNED)
+ LCK_MTX_ASSERT(&(_ifa)->ifa_lock, LCK_MTX_ASSERT_NOTOWNED)
#define IFA_LOCK(_ifa) \
lck_mtx_lock(&(_ifa)->ifa_lock)
#define IFMAF_ANONYMOUS 0x1 /* has anonymous request ref(s) held */
#define IFMA_LOCK_ASSERT_HELD(_ifma) \
- lck_mtx_assert(&(_ifma)->ifma_lock, LCK_MTX_ASSERT_OWNED)
+ LCK_MTX_ASSERT(&(_ifma)->ifma_lock, LCK_MTX_ASSERT_OWNED)
#define IFMA_LOCK_ASSERT_NOTHELD(_ifma) \
- lck_mtx_assert(&(_ifma)->ifma_lock, LCK_MTX_ASSERT_NOTOWNED)
+ LCK_MTX_ASSERT(&(_ifma)->ifma_lock, LCK_MTX_ASSERT_NOTOWNED)
#define IFMA_LOCK(_ifma) \
lck_mtx_lock(&(_ifma)->ifma_lock)
extern lck_grp_t *ifnet_lock_group;
extern lck_attr_t *ifnet_lock_attr;
extern ifnet_t lo_ifp;
-extern uint32_t if_bw_measure_size;
-extern u_int32_t if_bw_smoothing_val;
extern int if_addmulti(struct ifnet *, const struct sockaddr *,
struct ifmultiaddr **);
#define IF_LLADDR(_ifp) \
(LLADDR(SDL(((_ifp)->if_lladdr)->ifa_addr)))
+#define IF_INDEX_IN_RANGE(_ind_) ((_ind_) > 0 && \
+ (unsigned int)(_ind_) <= (unsigned int)if_index)
+
__private_extern__ void ifnet_lock_assert(struct ifnet *, ifnet_lock_assert_t);
__private_extern__ void ifnet_lock_shared(struct ifnet *ifp);
__private_extern__ void ifnet_lock_exclusive(struct ifnet *ifp);
const struct sockaddr *);
extern struct ifaddr *ifa_ifwithroute_scoped_locked(int,
const struct sockaddr *, const struct sockaddr *, unsigned int);
+extern struct ifaddr *ifaof_ifpforaddr_select(const struct sockaddr *, struct ifnet *);
extern struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
__private_extern__ struct ifaddr *ifa_ifpgetprimary(struct ifnet *, int);
extern void ifa_addref(struct ifaddr *, int);
extern int ifnet_get_log(struct ifnet *, int32_t *, uint32_t *, int32_t *,
int32_t *);
extern int ifnet_notify_address(struct ifnet *, int);
+extern void ifnet_notify_data_threshold(struct ifnet *);
+
+#define IF_AFDATA_RLOCK if_afdata_rlock
+#define IF_AFDATA_RUNLOCK if_afdata_unlock
+#define IF_AFDATA_WLOCK if_afdata_wlock
+#define IF_AFDATA_WUNLOCK if_afdata_unlock
+#define IF_AFDATA_WLOCK_ASSERT if_afdata_wlock_assert
+#define IF_AFDATA_LOCK_ASSERT if_afdata_lock_assert
+#define IF_AFDATA_UNLOCK_ASSERT if_afdata_unlock_assert
+
+static inline void
+if_afdata_rlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_lock_shared(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_lock_shared(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_runlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_done(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_done(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_wlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_lock_exclusive(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_lock_exclusive(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_unlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_done(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_done(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_wlock_assert (struct ifnet *ifp, int af)
+{
+#if !MACH_ASSERT
+#pragma unused(ifp)
+#endif
+ switch (af) {
+#if INET
+ case AF_INET:
+ LCK_RW_ASSERT(&ifp->if_inetdata_lock, LCK_RW_ASSERT_EXCLUSIVE);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ LCK_RW_ASSERT(&ifp->if_inet6data_lock, LCK_RW_ASSERT_EXCLUSIVE);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_unlock_assert (struct ifnet *ifp, int af)
+{
+#if !MACH_ASSERT
+#pragma unused(ifp)
+#endif
+ switch (af) {
+#if INET
+ case AF_INET:
+ LCK_RW_ASSERT(&ifp->if_inetdata_lock, LCK_RW_ASSERT_NOTHELD);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ LCK_RW_ASSERT(&ifp->if_inet6data_lock, LCK_RW_ASSERT_NOTHELD);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_lock_assert (struct ifnet *ifp, int af)
+{
+#if !MACH_ASSERT
+#pragma unused(ifp)
+#endif
+ switch (af) {
+#if INET
+ case AF_INET:
+ LCK_RW_ASSERT(&ifp->if_inetdata_lock, LCK_RW_ASSERT_HELD);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ LCK_RW_ASSERT(&ifp->if_inet6data_lock, LCK_RW_ASSERT_HELD);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
#if INET6
struct in6_addr;
struct in6_addr *);
#endif /* INET6 */
+__private_extern__ u_int32_t if_get_protolist(struct ifnet * ifp,
+ u_int32_t *protolist, u_int32_t count);
+__private_extern__ void if_free_protolist(u_int32_t *list);
__private_extern__ errno_t if_state_update(struct ifnet *,
struct if_interface_state *);
__private_extern__ void if_get_state(struct ifnet *,
__private_extern__ int ifnet_get_netsignature(struct ifnet *, uint8_t,
uint8_t *, uint16_t *, uint8_t *);
+#if INET6
+struct ipv6_prefix;
+__private_extern__ int ifnet_set_nat64prefix(struct ifnet *,
+ struct ipv6_prefix *);
+__private_extern__ int ifnet_get_nat64prefix(struct ifnet *,
+ struct ipv6_prefix *);
+#endif
+
/* Required exclusive ifnet_head lock */
__private_extern__ void ifnet_remove_from_ordered_list(struct ifnet *);
__private_extern__ void ifnet_increment_generation(struct ifnet *);
__private_extern__ u_int32_t ifnet_get_generation(struct ifnet *);
-extern int if_set_qosmarking_mode(struct ifnet *, u_int32_t);
+/* Adding and deleting netagents will take ifnet lock */
+__private_extern__ int if_add_netagent(struct ifnet *, uuid_t);
+__private_extern__ int if_delete_netagent(struct ifnet *, uuid_t);
+__private_extern__ boolean_t if_check_netagent(struct ifnet *, uuid_t);
+
+extern int if_set_qosmarking_mode(struct ifnet *, u_int32_t);
+__private_extern__ uint32_t ifnet_mbuf_packetpreamblelen(struct ifnet *);
+__private_extern__ void intf_event_enqueue_nwk_wq_entry(struct ifnet *ifp,
+ struct sockaddr *addrp, uint32_t intf_event_code);
+__private_extern__ void ifnet_update_stats_per_flow(struct ifnet_stats_per_flow *,
+ struct ifnet *);
+#if !CONFIG_EMBEDDED
__private_extern__ errno_t ifnet_framer_stub(struct ifnet *, struct mbuf **,
const struct sockaddr *, const char *, const char *, u_int32_t *,
u_int32_t *);
+#endif /* !CONFIG_EMBEDDED */
+__private_extern__ void ifnet_enqueue_multi_setup(struct ifnet *, uint16_t,
+ uint16_t);
+__private_extern__ errno_t ifnet_enqueue_mbuf(struct ifnet *, struct mbuf *,
+ boolean_t, boolean_t *);
#endif /* BSD_KERNEL_PRIVATE */
#ifdef XNU_KERNEL_PRIVATE
/* for uuid.c */
projects / apple / xnu.git / blobdiff