xnu-3789.21.4.tar.gz

[apple/xnu.git] / bsd / net / if_var.h

diff --git a/bsd/net/if_var.h b/bsd/net/if_var.h
index 21066e6520ec26ff946f88b2679adb875af39a1f..ff5f8d428dbc2c0db333aae34400776397ffdc4e 100644 (file)
--- a/bsd/net/if_var.h
+++ b/bsd/net/if_var.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *


@@ -364,6 +364,8 @@ struct if_tcp_ecn_stat {
        u_int64_t ecn_fallback_ce;
        u_int64_t ecn_off_conn;
        u_int64_t ecn_total_conn;
        u_int64_t ecn_fallback_ce;
        u_int64_t ecn_off_conn;
        u_int64_t ecn_total_conn;

+       u_int64_t ecn_fallback_droprst;
+       u_int64_t ecn_fallback_droprxmt;

        struct if_tcp_ecn_perf_stat ecn_on;
        struct if_tcp_ecn_perf_stat ecn_off;
 };
        struct if_tcp_ecn_perf_stat ecn_on;
        struct if_tcp_ecn_perf_stat ecn_off;
 };


@@ -407,6 +409,8 @@ struct if_cellular_status_v1 {
 #define IF_CELL_DL_MAX_BANDWIDTH_VALID         0x1000
 #define IF_CELL_CONFIG_INACTIVITY_TIME_VALID   0x2000
 #define IF_CELL_CONFIG_BACKOFF_TIME_VALID      0x4000
 #define IF_CELL_DL_MAX_BANDWIDTH_VALID         0x1000
 #define IF_CELL_CONFIG_INACTIVITY_TIME_VALID   0x2000
 #define IF_CELL_CONFIG_BACKOFF_TIME_VALID      0x4000

+#define        IF_CELL_UL_MSS_RECOMMENDED_VALID        0x8000
+

        u_int32_t link_quality_metric;
        u_int32_t ul_effective_bandwidth; /* Measured uplink bandwidth based on current activity (bps) */
        u_int32_t ul_max_bandwidth; /* Maximum supported uplink bandwidth (bps) */
        u_int32_t link_quality_metric;
        u_int32_t ul_effective_bandwidth; /* Measured uplink bandwidth based on current activity (bps) */
        u_int32_t ul_max_bandwidth; /* Maximum supported uplink bandwidth (bps) */


@@ -426,11 +430,16 @@ struct if_cellular_status_v1 {
        u_int32_t dl_max_bandwidth; /* Maximum supported downlink bandwidth (bps) */
        u_int32_t config_inactivity_time; /* ms */
        u_int32_t config_backoff_time; /* new connections backoff time in ms */
        u_int32_t dl_max_bandwidth; /* Maximum supported downlink bandwidth (bps) */
        u_int32_t config_inactivity_time; /* ms */
        u_int32_t config_backoff_time; /* new connections backoff time in ms */

-       u_int64_t reserved_1;
-       u_int64_t reserved_2;
+#define        IF_CELL_UL_MSS_RECOMMENDED_NONE 0x0 /* Use default */
+#define        IF_CELL_UL_MSS_RECOMMENDED_MEDIUM 0x1 /* 1200 byte MSS */
+#define        IF_CELL_UL_MSS_RECOMMENDED_LOW  0x2 /* 512 byte MSS */
+       u_int16_t mss_recommended;
+       u_int16_t reserved_1;
+       u_int32_t reserved_2;

        u_int64_t reserved_3;
        u_int64_t reserved_4;
        u_int64_t reserved_5;
        u_int64_t reserved_3;
        u_int64_t reserved_4;
        u_int64_t reserved_5;

+       u_int64_t reserved_6;

 } __attribute__((packed));
 
 struct if_cellular_status {
 } __attribute__((packed));
 
 struct if_cellular_status {


@@ -550,7 +559,7 @@ struct if_interface_state {
 
        /*
         * Indicate if the underlying link is currently
 
        /*
         * Indicate if the underlying link is currently

-        * available 
+        * available

         */
        u_int8_t interface_availability;
 #define        IF_INTERFACE_STATE_INTERFACE_AVAILABLE          0x0
         */
        u_int8_t interface_availability;
 #define        IF_INTERFACE_STATE_INTERFACE_AVAILABLE          0x0


@@ -703,7 +712,6 @@ struct pfi_kif;
 /* we use TAILQs so that the order of instantiation is preserved in the list */
 TAILQ_HEAD(ifnethead, ifnet);
 TAILQ_HEAD(ifaddrhead, ifaddr);
 /* we use TAILQs so that the order of instantiation is preserved in the list */
 TAILQ_HEAD(ifnethead, ifnet);
 TAILQ_HEAD(ifaddrhead, ifaddr);

-TAILQ_HEAD(ifprefixhead, ifprefix);

 LIST_HEAD(ifmultihead, ifmultiaddr);
 TAILQ_HEAD(tailq_head, tqdummy);
 TAILQ_HEAD(ifnet_filter_head, ifnet_filter);
 LIST_HEAD(ifmultihead, ifmultiaddr);
 TAILQ_HEAD(tailq_head, tqdummy);
 TAILQ_HEAD(ifnet_filter_head, ifnet_filter);


@@ -776,6 +784,7 @@ struct ifnet {
        struct if_description if_desc;  /* extended description */
        TAILQ_ENTRY(ifnet) if_link;     /* all struct ifnets are chained */
        TAILQ_ENTRY(ifnet) if_detaching_link; /* list of detaching ifnets */
        struct if_description if_desc;  /* extended description */
        TAILQ_ENTRY(ifnet) if_link;     /* all struct ifnets are chained */
        TAILQ_ENTRY(ifnet) if_detaching_link; /* list of detaching ifnets */

+       TAILQ_ENTRY(ifnet) if_ordered_link;     /* list of ordered ifnets */

 
        decl_lck_mtx_data(, if_ref_lock)
        u_int32_t       if_refflags;    /* see IFRF flags below */
 
        decl_lck_mtx_data(, if_ref_lock)
        u_int32_t       if_refflags;    /* see IFRF flags below */


@@ -786,6 +795,8 @@ struct ifnet {
 #define        if_addrlist     if_addrhead
        struct ifaddr   *if_lladdr;     /* link address (first/permanent) */
 
 #define        if_addrlist     if_addrhead
        struct ifaddr   *if_lladdr;     /* link address (first/permanent) */
 

+       u_int32_t       if_qosmarking_mode;     /* generation to use with NECP clients */
+

        int             if_pcount;      /* number of promiscuous listeners */
        struct bpf_if   *if_bpf;        /* packet filter structure */
        u_short         if_index;       /* numeric abbreviation for this if  */
        int             if_pcount;      /* number of promiscuous listeners */
        struct bpf_if   *if_bpf;        /* packet filter structure */
        u_short         if_index;       /* numeric abbreviation for this if  */


@@ -793,6 +804,7 @@ struct ifnet {
        short           if_timer;       /* time 'til if_watchdog called */
        short           if_flags;       /* up/down, broadcast, etc. */
        u_int32_t       if_eflags;      /* see <net/if.h> */
        short           if_timer;       /* time 'til if_watchdog called */
        short           if_flags;       /* up/down, broadcast, etc. */
        u_int32_t       if_eflags;      /* see <net/if.h> */

+       u_int32_t       if_xflags;      /* see <net/if.h> */

 
        int             if_capabilities;        /* interface features & capabilities */
        int             if_capenable;           /* enabled features & capabilities */
 
        int             if_capabilities;        /* interface features & capabilities */
        int             if_capenable;           /* enabled features & capabilities */


@@ -805,10 +817,12 @@ struct ifnet {
        ifnet_family_t          if_family;      /* value assigned by Apple */
        ifnet_subfamily_t       if_subfamily;   /* value assigned by Apple */
        uintptr_t               if_family_cookie;
        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;

        ifnet_output_func       if_output;
        ifnet_pre_enqueue_func  if_pre_enqueue;
        ifnet_start_func        if_start;
        ifnet_ctl_func          if_output_ctl;
        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;
        ifnet_input_poll_func   if_input_poll;
        ifnet_ctl_func          if_input_ctl;
        ifnet_ioctl_func        if_ioctl;


@@ -868,7 +882,6 @@ struct ifnet {
 
        struct dlil_threading_info *if_inp;
 
 
        struct dlil_threading_info *if_inp;
 

-       struct  ifprefixhead    if_prefixhead;  /* list of prefixes per if */

        struct {
                u_int32_t       length;
                union {
        struct {
                u_int32_t       length;
                union {


@@ -880,7 +893,6 @@ struct ifnet {
        struct label            *if_label;      /* interface MAC label */
 #endif
 
        struct label            *if_label;      /* interface MAC label */
 #endif
 

-       u_int32_t               if_wake_properties;

 #if PF
        struct pfi_kif          *if_pf_kif;
 #endif /* PF */
 #if PF
        struct pfi_kif          *if_pf_kif;
 #endif /* PF */


@@ -901,6 +913,7 @@ struct ifnet {
        u_int32_t               if_idle_new_flags; /* temporary idle flags */
        u_int32_t               if_idle_new_flags_mask; /* temporary mask */
        u_int32_t               if_route_refcnt; /* idle: route ref count */
        u_int32_t               if_idle_new_flags; /* temporary idle flags */
        u_int32_t               if_idle_new_flags_mask; /* temporary mask */
        u_int32_t               if_route_refcnt; /* idle: route ref count */

+       u_int32_t               if_rt_sendts;   /* last of a real time packet */

 
        struct if_traffic_class if_tc __attribute__((aligned(8)));
 #if INET
 
        struct if_traffic_class if_tc __attribute__((aligned(8)));
 #if INET


@@ -931,12 +944,20 @@ struct ifnet {
                uint32_t        expensive:1;    /* delegated i/f expensive? */
        } if_delegated;
 
                uint32_t        expensive:1;    /* delegated i/f expensive? */
        } if_delegated;
 

-#define        IF_MAXAGENTS    8
-       uuid_t                  if_agentids[IF_MAXAGENTS];
+       uuid_t                  *if_agentids;   /* network agents attached to interface */
+       u_int32_t               if_agentcount;

 
 

-       u_int64_t               if_data_threshold;
+       u_int32_t               if_generation;  /* generation to use with NECP clients */

        u_int32_t               if_fg_sendts;   /* last send on a fg socket in seconds */
        u_int32_t               if_fg_sendts;   /* last send on a fg socket in seconds */

-       u_int32_t               if_rt_sendts;   /* last of a real time packet */
+
+       u_int64_t               if_data_threshold;
+
+       /* Total bytes in send socket buffer */
+       int64_t                 if_sndbyte_total __attribute__ ((aligned(8)));
+       /* Total unsent bytes in send socket buffer */
+       int64_t                 if_sndbyte_unsent __attribute__ ((aligned(8)));
+       /* count of times, when there was data to send when sleep is impending */
+       uint32_t                if_unsent_data_cnt;

 
 #if INET
        decl_lck_rw_data(, if_inetdata_lock);
 
 #if INET
        decl_lck_rw_data(, if_inetdata_lock);


@@ -1144,20 +1165,6 @@ struct ifaddr {
 #define        IFA_REMREF_LOCKED(_ifa)                                         \
        ifa_remref(_ifa, 1)
 
 #define        IFA_REMREF_LOCKED(_ifa)                                         \
        ifa_remref(_ifa, 1)
 

-/*
- * The prefix structure contains information about one prefix
- * of an interface.  They are maintained by the different address families,
- * are allocated and attached when an prefix or an address is set,
- * and are linked together so all prefixes for an interface can be located.
- */
-struct ifprefix {
-       struct  sockaddr *ifpr_prefix;  /* prefix of interface */
-       struct  ifnet *ifpr_ifp;        /* back-pointer to interface */
-       TAILQ_ENTRY(ifprefix) ifpr_list; /* queue macro glue */
-       u_char  ifpr_plen;              /* prefix length in bits */
-       u_char  ifpr_type;              /* protocol dependent prefix type */
-};
-

 /*
  * Multicast address structure.  This is analogous to the ifaddr
  * structure except that it keeps track of multicast addresses.
 /*
  * Multicast address structure.  This is analogous to the ifaddr
  * structure except that it keeps track of multicast addresses.


@@ -1272,10 +1279,19 @@ struct ifmultiaddr {
        (_ifp)->if_family == IFNET_FAMILY_FIREWIRE ||                   \
        (_ifp)->if_delegated.family == IFNET_FAMILY_FIREWIRE)
 
        (_ifp)->if_family == IFNET_FAMILY_FIREWIRE ||                   \
        (_ifp)->if_delegated.family == IFNET_FAMILY_FIREWIRE)
 

+/*
+ * Indicate whether or not the immediate WiFi interface is on an infrastructure
+ * network
+ */
+#define        IFNET_IS_WIFI_INFRA(_ifp)                               \
+       ((_ifp)->if_family == IFNET_FAMILY_ETHERNET &&          \
+       (_ifp)->if_subfamily == IFNET_SUBFAMILY_WIFI &&         \
+       !((_ifp)->if_eflags & IFEF_AWDL))
+

 /*
  * Indicate whether or not the immediate interface, or the interface delegated
 /*
  * Indicate whether or not the immediate interface, or the interface delegated

- * by it, is marked as expensive.  The delegated interface is set/cleared 
- * along with the delegated ifp; we cache the flag for performance to avoid 
+ * by it, is marked as expensive.  The delegated interface is set/cleared
+ * along with the delegated ifp; we cache the flag for performance to avoid

  * dereferencing delegated ifp each time.
  *
  * Note that this is meant to be used only for policy purposes.
  * dereferencing delegated ifp each time.
  *
  * Note that this is meant to be used only for policy purposes.


@@ -1291,8 +1307,12 @@ struct ifmultiaddr {
        (((_ifp)->if_eflags & (IFEF_AWDL|IFEF_AWDL_RESTRICTED)) ==      \
            (IFEF_AWDL|IFEF_AWDL_RESTRICTED))
 
        (((_ifp)->if_eflags & (IFEF_AWDL|IFEF_AWDL_RESTRICTED)) ==      \
            (IFEF_AWDL|IFEF_AWDL_RESTRICTED))
 

+#define        IFNET_IS_INTCOPROC(_ifp)                                        \
+       ((_ifp)->if_family == IFNET_FAMILY_ETHERNET &&                  \
+        (_ifp)->if_subfamily == IFNET_SUBFAMILY_INTCOPROC)

 
 extern struct ifnethead ifnet_head;
 
 extern struct ifnethead ifnet_head;

+extern struct ifnethead ifnet_ordered_head;

 extern struct ifnet **ifindex2ifnet;
 extern u_int32_t if_sndq_maxlen;
 extern u_int32_t if_rcvq_maxlen;
 extern struct ifnet **ifindex2ifnet;
 extern u_int32_t if_sndq_maxlen;
 extern u_int32_t if_rcvq_maxlen;


@@ -1321,6 +1341,8 @@ __private_extern__ void if_updown(struct ifnet *ifp, int up);
 extern int ifioctl(struct socket *, u_long, caddr_t, struct proc *);
 extern int ifioctllocked(struct socket *, u_long, caddr_t, struct proc *);
 extern struct ifnet *ifunit(const char *);
 extern int ifioctl(struct socket *, u_long, caddr_t, struct proc *);
 extern int ifioctllocked(struct socket *, u_long, caddr_t, struct proc *);
 extern struct ifnet *ifunit(const char *);

+extern struct ifnet *ifunit_ref(const char *);
+extern int ifunit_extract(const char *src, char *dst, size_t dstlen, int *unit);

 extern struct ifnet *if_withname(struct sockaddr *);
 extern void if_qflush(struct ifnet *, int);
 extern void if_qflush_sc(struct ifnet *, mbuf_svc_class_t, u_int32_t,
 extern struct ifnet *if_withname(struct sockaddr *);
 extern void if_qflush(struct ifnet *, int);
 extern void if_qflush_sc(struct ifnet *, mbuf_svc_class_t, u_int32_t,


@@ -1330,10 +1352,9 @@ extern struct if_clone *if_clone_lookup(const char *, u_int32_t *);
 extern int if_clone_attach(struct if_clone *);
 extern void if_clone_detach(struct if_clone *);
 
 extern int if_clone_attach(struct if_clone *);
 extern void if_clone_detach(struct if_clone *);
 

-extern u_int32_t if_functional_type(struct ifnet *);
+extern u_int32_t if_functional_type(struct ifnet *, bool);

 
 extern errno_t if_mcasts_update(struct ifnet *);
 
 extern errno_t if_mcasts_update(struct ifnet *);

-extern int32_t total_snd_byte_count;

 
 typedef enum {
        IFNET_LCK_ASSERT_EXCLUSIVE,     /* RW: held as writer */
 
 typedef enum {
        IFNET_LCK_ASSERT_EXCLUSIVE,     /* RW: held as writer */


@@ -1365,10 +1386,12 @@ __private_extern__ void if_inet6data_lock_done(struct ifnet *ifp);
 __private_extern__ void        ifnet_head_lock_shared(void);
 __private_extern__ void        ifnet_head_lock_exclusive(void);
 __private_extern__ void        ifnet_head_done(void);
 __private_extern__ void        ifnet_head_lock_shared(void);
 __private_extern__ void        ifnet_head_lock_exclusive(void);
 __private_extern__ void        ifnet_head_done(void);

+__private_extern__ void        ifnet_head_assert_exclusive(void);

 
 __private_extern__ errno_t ifnet_set_idle_flags_locked(ifnet_t, u_int32_t,
     u_int32_t);
 __private_extern__ int ifnet_is_attached(struct ifnet *, int refio);
 
 __private_extern__ errno_t ifnet_set_idle_flags_locked(ifnet_t, u_int32_t,
     u_int32_t);
 __private_extern__ int ifnet_is_attached(struct ifnet *, int refio);

+__private_extern__ void ifnet_incr_iorefcnt(struct ifnet *);

 __private_extern__ void ifnet_decr_iorefcnt(struct ifnet *);
 __private_extern__ void ifnet_set_start_cycle(struct ifnet *,
     struct timespec *);
 __private_extern__ void ifnet_decr_iorefcnt(struct ifnet *);
 __private_extern__ void ifnet_set_start_cycle(struct ifnet *,
     struct timespec *);


@@ -1385,8 +1408,11 @@ __private_extern__ void dlil_if_unlock(void);
 __private_extern__ void dlil_if_lock_assert(void);
 
 extern struct ifaddr *ifa_ifwithaddr(const struct sockaddr *);
 __private_extern__ void dlil_if_lock_assert(void);
 
 extern struct ifaddr *ifa_ifwithaddr(const struct sockaddr *);

+extern struct ifaddr *ifa_ifwithaddr_locked(const struct sockaddr *);

 extern struct ifaddr *ifa_ifwithaddr_scoped(const struct sockaddr *,
     unsigned int);
 extern struct ifaddr *ifa_ifwithaddr_scoped(const struct sockaddr *,
     unsigned int);

+extern struct ifaddr *ifa_ifwithaddr_scoped_locked(const struct sockaddr *,
+    unsigned int);

 extern struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *);
 extern struct ifaddr *ifa_ifwithnet(const struct sockaddr *);
 extern struct ifaddr *ifa_ifwithnet_scoped(const struct sockaddr *,
 extern struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *);
 extern struct ifaddr *ifa_ifwithnet(const struct sockaddr *);
 extern struct ifaddr *ifa_ifwithnet_scoped(const struct sockaddr *,


@@ -1482,6 +1508,14 @@ __private_extern__ int ifnet_set_netsignature(struct ifnet *, uint8_t,
 __private_extern__ int ifnet_get_netsignature(struct ifnet *, uint8_t,
     uint8_t *, uint16_t *, uint8_t *);
 
 __private_extern__ int ifnet_get_netsignature(struct ifnet *, uint8_t,
     uint8_t *, uint16_t *, uint8_t *);
 

+/* 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);
+

 __private_extern__ errno_t ifnet_framer_stub(struct ifnet *, struct mbuf **,
     const struct sockaddr *, const char *, const char *, u_int32_t *,
     u_int32_t *);
 __private_extern__ errno_t ifnet_framer_stub(struct ifnet *, struct mbuf **,
     const struct sockaddr *, const char *, const char *, u_int32_t *,
     u_int32_t *);