/*
- * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2017 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
*/
#ifndef _NETINET_IP_VAR_H_
-#define _NETINET_IP_VAR_H_
+#define _NETINET_IP_VAR_H_
#include <sys/appleapiopts.h>
/*
* Overlay for ip header used by other protocols (tcp, udp).
*/
struct ipovly {
- u_char ih_x1[9]; /* (unused) */
- u_char ih_pr; /* protocol */
- u_short ih_len; /* protocol length */
- struct in_addr ih_src; /* source internet address */
- struct in_addr ih_dst; /* destination internet address */
+ u_char ih_x1[9]; /* (unused) */
+ u_char ih_pr; /* protocol */
+ u_short ih_len; /* protocol length */
+ struct in_addr ih_src; /* source internet address */
+ struct in_addr ih_dst; /* destination internet address */
};
#ifdef BSD_KERNEL_PRIVATE
* be reclaimed if memory becomes tight.
*/
struct ipq {
- TAILQ_ENTRY(ipq) ipq_list; /* to other reass headers */
- struct mbuf *ipq_frags; /* to ip headers of fragments */
+ TAILQ_ENTRY(ipq) ipq_list; /* to other reass headers */
+ struct mbuf *ipq_frags; /* to ip headers of fragments */
#if CONFIG_MACF_NET
- struct label *ipq_label; /* MAC label */
+ struct label *ipq_label; /* MAC label */
#endif /* CONFIG_MACF_NET */
- u_char ipq_ttl; /* time for reass q to live */
- u_char ipq_p; /* protocol of this fragment */
- u_short ipq_id; /* sequence id for reassembly */
- struct in_addr ipq_src, ipq_dst;
- u_int32_t ipq_nfrags; /* # frags in this packet */
- uint32_t ipq_csum_flags; /* checksum flags */
- uint32_t ipq_csum; /* partial checksum value */
+ u_char ipq_ttl; /* time for reass q to live */
+ u_char ipq_p; /* protocol of this fragment */
+ u_short ipq_id; /* sequence id for reassembly */
+ struct in_addr ipq_src, ipq_dst;
+ u_int32_t ipq_nfrags; /* # frags in this packet */
+ uint32_t ipq_csum_flags; /* checksum flags */
+ uint32_t ipq_csum; /* partial checksum value */
#if IPDIVERT
#ifdef IPDIVERT_44
- u_int32_t ipq_div_info; /* ipfw divert port & flags */
+ u_int32_t ipq_div_info; /* ipfw divert port & flags */
#else /* !IPDIVERT_44 */
- u_int16_t ipq_divert; /* ipfw divert port (legacy) */
+ u_int16_t ipq_divert; /* ipfw divert port (legacy) */
#endif /* !IPDIVERT_44 */
- u_int16_t ipq_div_cookie; /* ipfw divert cookie */
+ u_int16_t ipq_div_cookie; /* ipfw divert cookie */
#endif /* IPDIVERT */
};
* is in m_len.
*/
#endif /* BSD_KERNEL_PRIVATE */
-#define MAX_IPOPTLEN 40
+#define MAX_IPOPTLEN 40
#ifdef BSD_KERNEL_PRIVATE
struct ipoption {
- struct in_addr ipopt_dst; /* first-hop dst if source routed */
- char ipopt_list[MAX_IPOPTLEN]; /* options proper */
+ struct in_addr ipopt_dst; /* first-hop dst if source routed */
+ char ipopt_list[MAX_IPOPTLEN]; /* options proper */
};
/*
*/
struct ip_moptions {
decl_lck_mtx_data(, imo_lock);
- uint32_t imo_refcnt; /* ref count */
- uint32_t imo_debug; /* see ifa_debug flags */
- struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */
- u_char imo_multicast_ttl; /* TTL for outgoing multicasts */
- u_char imo_multicast_loop; /* 1 => hear sends if a member */
- u_short imo_num_memberships; /* no. memberships this socket */
- u_short imo_max_memberships; /* max memberships this socket */
- struct in_multi **imo_membership; /* group memberships */
- struct in_mfilter *imo_mfilters; /* source filters */
- u_int32_t imo_multicast_vif; /* vif num outgoing multicasts */
- struct in_addr imo_multicast_addr; /* ifindex/addr on MULTICAST_IF */
- void (*imo_trace) /* callback fn for tracing refs */
- (struct ip_moptions *, int);
+ uint32_t imo_refcnt; /* ref count */
+ uint32_t imo_debug; /* see ifa_debug flags */
+ struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */
+ u_char imo_multicast_ttl; /* TTL for outgoing multicasts */
+ u_char imo_multicast_loop; /* 1 => hear sends if a member */
+ u_short imo_num_memberships; /* no. memberships this socket */
+ u_short imo_max_memberships; /* max memberships this socket */
+ struct in_multi **imo_membership; /* group memberships */
+ struct in_mfilter *imo_mfilters; /* source filters */
+ u_int32_t imo_multicast_vif; /* vif num outgoing multicasts */
+ struct in_addr imo_multicast_addr; /* ifindex/addr on MULTICAST_IF */
+ void (*imo_trace) /* callback fn for tracing refs */
+ (struct ip_moptions *, int);
};
-#define IMO_LOCK_ASSERT_HELD(_imo) \
- lck_mtx_assert(&(_imo)->imo_lock, LCK_MTX_ASSERT_OWNED)
+#define IMO_LOCK_ASSERT_HELD(_imo) \
+ LCK_MTX_ASSERT(&(_imo)->imo_lock, LCK_MTX_ASSERT_OWNED)
-#define IMO_LOCK_ASSERT_NOTHELD(_imo) \
- lck_mtx_assert(&(_imo)->imo_lock, LCK_MTX_ASSERT_NOTOWNED)
+#define IMO_LOCK_ASSERT_NOTHELD(_imo) \
+ LCK_MTX_ASSERT(&(_imo)->imo_lock, LCK_MTX_ASSERT_NOTOWNED)
-#define IMO_LOCK(_imo) \
+#define IMO_LOCK(_imo) \
lck_mtx_lock(&(_imo)->imo_lock)
-#define IMO_LOCK_SPIN(_imo) \
+#define IMO_LOCK_SPIN(_imo) \
lck_mtx_lock_spin(&(_imo)->imo_lock)
-#define IMO_CONVERT_LOCK(_imo) do { \
- IMO_LOCK_ASSERT_HELD(_imo); \
- lck_mtx_convert_spin(&(_imo)->imo_lock); \
+#define IMO_CONVERT_LOCK(_imo) do { \
+ IMO_LOCK_ASSERT_HELD(_imo); \
+ lck_mtx_convert_spin(&(_imo)->imo_lock); \
} while (0)
-#define IMO_UNLOCK(_imo) \
+#define IMO_UNLOCK(_imo) \
lck_mtx_unlock(&(_imo)->imo_lock)
-#define IMO_ADDREF(_imo) \
+#define IMO_ADDREF(_imo) \
imo_addref(_imo, 0)
-#define IMO_ADDREF_LOCKED(_imo) \
+#define IMO_ADDREF_LOCKED(_imo) \
imo_addref(_imo, 1)
-#define IMO_REMREF(_imo) \
+#define IMO_REMREF(_imo) \
imo_remref(_imo)
/* mbuf tag for ip_forwarding info */
struct ip_fwd_tag {
- struct sockaddr_in *next_hop; /* next_hop */
+ struct sockaddr_in *next_hop; /* next_hop */
};
#endif /* BSD_KERNEL_PRIVATE */
-struct ipstat {
- u_int32_t ips_total; /* total packets received */
- u_int32_t ips_badsum; /* checksum bad */
- u_int32_t ips_tooshort; /* packet too short */
- u_int32_t ips_toosmall; /* not enough data */
- u_int32_t ips_badhlen; /* ip header length < data size */
- u_int32_t ips_badlen; /* ip length < ip header length */
- u_int32_t ips_fragments; /* fragments received */
- u_int32_t ips_fragdropped; /* frags dropped (dups, out of space) */
- u_int32_t ips_fragtimeout; /* fragments timed out */
- u_int32_t ips_forward; /* packets forwarded */
- u_int32_t ips_fastforward; /* packets fast forwarded */
- u_int32_t ips_cantforward; /* packets rcvd for unreachable dest */
- u_int32_t ips_redirectsent; /* packets forwarded on same net */
- u_int32_t ips_noproto; /* unknown or unsupported protocol */
- u_int32_t ips_delivered; /* datagrams delivered to upper level */
- u_int32_t ips_localout; /* total ip packets generated here */
- u_int32_t ips_odropped; /* lost packets due to nobufs, etc. */
- u_int32_t ips_reassembled; /* total packets reassembled ok */
- u_int32_t ips_fragmented; /* datagrams successfully fragmented */
- u_int32_t ips_ofragments; /* output fragments created */
- u_int32_t ips_cantfrag; /* don't fragment flag was set, etc. */
- u_int32_t ips_badoptions; /* error in option processing */
- u_int32_t ips_noroute; /* packets discarded due to no route */
- u_int32_t ips_badvers; /* ip version != 4 */
- u_int32_t ips_rawout; /* total raw ip packets generated */
- u_int32_t ips_toolong; /* ip length > max ip packet size */
- u_int32_t ips_notmember; /* multicasts for unregistered grps */
- u_int32_t ips_nogif; /* no match gif found */
- u_int32_t ips_badaddr; /* invalid address on header */
- u_int32_t ips_pktdropcntrl; /* pkt dropped, no mbufs for ctl data */
- u_int32_t ips_rcv_swcsum; /* ip hdr swcksum (inbound), packets */
- u_int32_t ips_rcv_swcsum_bytes; /* ip hdr swcksum (inbound), bytes */
- u_int32_t ips_snd_swcsum; /* ip hdr swcksum (outbound), packets */
- u_int32_t ips_snd_swcsum_bytes; /* ip hdr swcksum (outbound), bytes */
- u_int32_t ips_adj; /* total packets trimmed/adjusted */
- u_int32_t ips_adj_hwcsum_clr; /* hwcksum discarded during adj */
- u_int32_t ips_rxc_collisions; /* rx chaining collisions */
- u_int32_t ips_rxc_chained; /* rx chains */
- u_int32_t ips_rxc_notchain; /* rx bypassed chaining */
- u_int32_t ips_rxc_chainsz_gt2; /* rx chain size greater than 2 */
+struct ipstat {
+ u_int32_t ips_total; /* total packets received */
+ u_int32_t ips_badsum; /* checksum bad */
+ u_int32_t ips_tooshort; /* packet too short */
+ u_int32_t ips_toosmall; /* not enough data */
+ u_int32_t ips_badhlen; /* ip header length < data size */
+ u_int32_t ips_badlen; /* ip length < ip header length */
+ u_int32_t ips_fragments; /* fragments received */
+ u_int32_t ips_fragdropped; /* frags dropped (dups, out of space) */
+ u_int32_t ips_fragtimeout; /* fragments timed out */
+ u_int32_t ips_forward; /* packets forwarded */
+ u_int32_t ips_fastforward; /* packets fast forwarded */
+ u_int32_t ips_cantforward; /* packets rcvd for unreachable dest */
+ u_int32_t ips_redirectsent; /* packets forwarded on same net */
+ u_int32_t ips_noproto; /* unknown or unsupported protocol */
+ u_int32_t ips_delivered; /* datagrams delivered to upper level */
+ u_int32_t ips_localout; /* total ip packets generated here */
+ u_int32_t ips_odropped; /* lost packets due to nobufs, etc. */
+ u_int32_t ips_reassembled; /* total packets reassembled ok */
+ u_int32_t ips_fragmented; /* datagrams successfully fragmented */
+ u_int32_t ips_ofragments; /* output fragments created */
+ u_int32_t ips_cantfrag; /* don't fragment flag was set, etc. */
+ u_int32_t ips_badoptions; /* error in option processing */
+ u_int32_t ips_noroute; /* packets discarded due to no route */
+ u_int32_t ips_badvers; /* ip version != 4 */
+ u_int32_t ips_rawout; /* total raw ip packets generated */
+ u_int32_t ips_toolong; /* ip length > max ip packet size */
+ u_int32_t ips_notmember; /* multicasts for unregistered grps */
+ u_int32_t ips_nogif; /* no match gif found */
+ u_int32_t ips_badaddr; /* invalid address on header */
+ u_int32_t ips_pktdropcntrl; /* pkt dropped, no mbufs for ctl data */
+ u_int32_t ips_rcv_swcsum; /* ip hdr swcksum (inbound), packets */
+ u_int32_t ips_rcv_swcsum_bytes; /* ip hdr swcksum (inbound), bytes */
+ u_int32_t ips_snd_swcsum; /* ip hdr swcksum (outbound), packets */
+ u_int32_t ips_snd_swcsum_bytes; /* ip hdr swcksum (outbound), bytes */
+ u_int32_t ips_adj; /* total packets trimmed/adjusted */
+ u_int32_t ips_adj_hwcsum_clr; /* hwcksum discarded during adj */
+ u_int32_t ips_rxc_collisions; /* rx chaining collisions */
+ u_int32_t ips_rxc_chained; /* rx chains */
+ u_int32_t ips_rxc_notchain; /* rx bypassed chaining */
+ u_int32_t ips_rxc_chainsz_gt2; /* rx chain size greater than 2 */
u_int32_t ips_rxc_chainsz_gt4; /* rx chain size greater than 4 */
- u_int32_t ips_rxc_notlist; /* count of pkts through ip_input */
-
+ u_int32_t ips_rxc_notlist; /* count of pkts through ip_input */
+ u_int32_t ips_raw_sappend_fail; /* sock append failed */
+ u_int32_t ips_necp_policy_drop; /* NECP policy related drop */
};
struct ip_linklocal_stat {
- u_int32_t iplls_in_total;
- u_int32_t iplls_in_badttl;
- u_int32_t iplls_out_total;
- u_int32_t iplls_out_badttl;
+ u_int32_t iplls_in_total;
+ u_int32_t iplls_in_badttl;
+ u_int32_t iplls_out_total;
+ u_int32_t iplls_out_badttl;
};
#ifdef KERNEL_PRIVATE
#ifdef BSD_KERNEL_PRIVATE
/* flags passed to ip_output as last parameter */
-#define IP_FORWARDING 0x1 /* most of ip header exists */
-#define IP_RAWOUTPUT 0x2 /* raw ip header exists */
-#define IP_NOIPSEC 0x4 /* No IPSec processing */
-#define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables (0x0010) */
-#define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast pkts (0x0020) */
-#define IP_OUTARGS 0x100 /* has ancillary output info */
+#define IP_FORWARDING 0x1 /* most of ip header exists */
+#define IP_RAWOUTPUT 0x2 /* raw ip header exists */
+#define IP_NOIPSEC 0x4 /* No IPSec processing */
+#define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables (0x0010) */
+#define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast pkts (0x0020) */
+#define IP_OUTARGS 0x100 /* has ancillary output info */
-#define IP_HDR_ALIGNED_P(_ip) ((((uintptr_t)(_ip)) & ((uintptr_t)3)) == 0)
+#define IP_HDR_ALIGNED_P(_ip) ((((uintptr_t)(_ip)) & ((uintptr_t)3)) == 0)
+#define IP_OFF_IS_ATOMIC(_ip_off) ((_ip_off & (IP_DF | IP_MF | IP_OFFMASK)) == IP_DF)
/*
* On platforms which require strict alignment (currently for anything but
* is 32-bit aligned, and assert otherwise.
*/
#if defined(__i386__) || defined(__x86_64__)
-#define IP_HDR_STRICT_ALIGNMENT_CHECK(_ip) do { } while (0)
+#define IP_HDR_STRICT_ALIGNMENT_CHECK(_ip) do { } while (0)
#else /* !__i386__ && !__x86_64__ */
-#define IP_HDR_STRICT_ALIGNMENT_CHECK(_ip) do { \
- if (!IP_HDR_ALIGNED_P(_ip)) { \
- panic_plain("\n%s: Unaligned IP header %p\n", \
- __func__, _ip); \
- } \
+#define IP_HDR_STRICT_ALIGNMENT_CHECK(_ip) do { \
+ if (!IP_HDR_ALIGNED_P(_ip)) { \
+ panic_plain("\n%s: Unaligned IP header %p\n", \
+ __func__, _ip); \
+ } \
} while (0)
#endif /* !__i386__ && !__x86_64__ */
* ipoa_retflags any additional information regarding the error.
*/
struct ip_out_args {
- unsigned int ipoa_boundif; /* boundif interface index */
- struct flowadv ipoa_flowadv; /* flow advisory code */
- u_int32_t ipoa_flags; /* IPOAF output flags (see below) */
-#define IPOAF_SELECT_SRCIF 0x00000001 /* src interface selection */
-#define IPOAF_BOUND_IF 0x00000002 /* boundif value is valid */
-#define IPOAF_BOUND_SRCADDR 0x00000004 /* bound to src address */
-#define IPOAF_NO_CELLULAR 0x00000010 /* skip IFT_CELLULAR */
-#define IPOAF_NO_EXPENSIVE 0x00000020 /* skip IFT_EXPENSIVE */
-#define IPOAF_AWDL_UNRESTRICTED 0x00000040 /* can send over
- AWDL_RESTRICTED */
- u_int32_t ipoa_retflags; /* IPOARF return flags (see below) */
-#define IPOARF_IFDENIED 0x00000001 /* denied access to interface */
+ unsigned int ipoa_boundif; /* boundif interface index */
+ struct flowadv ipoa_flowadv; /* flow advisory code */
+ u_int32_t ipoa_flags; /* IPOAF output flags (see below) */
+#define IPOAF_SELECT_SRCIF 0x00000001 /* src interface selection */
+#define IPOAF_BOUND_IF 0x00000002 /* boundif value is valid */
+#define IPOAF_BOUND_SRCADDR 0x00000004 /* bound to src address */
+#define IPOAF_NO_CELLULAR 0x00000010 /* skip IFT_CELLULAR */
+#define IPOAF_NO_EXPENSIVE 0x00000020 /* skip IFT_EXPENSIVE */
+#define IPOAF_AWDL_UNRESTRICTED 0x00000040 /* can send over
+ * AWDL_RESTRICTED */
+#define IPOAF_QOSMARKING_ALLOWED 0x00000080 /* policy allows Fastlane DSCP marking */
+ u_int32_t ipoa_retflags; /* IPOARF return flags (see below) */
+#define IPOARF_IFDENIED 0x00000001 /* denied access to interface */
+ int ipoa_sotc; /* traffic class for Fastlane DSCP mapping */
+ int ipoa_netsvctype; /* network service type */
};
extern struct ipstat ipstat;
extern int ip_use_randomid;
-extern u_short ip_id; /* ip packet ctr, for ids */
-extern int ip_defttl; /* default IP ttl */
-extern int ipforwarding; /* ip forwarding */
+extern u_short ip_id; /* ip packet ctr, for ids */
+extern int ip_defttl; /* default IP ttl */
+extern int ipforwarding; /* ip forwarding */
+extern int rfc6864;
extern struct protosw *ip_protox[];
extern struct pr_usrreqs rip_usrreqs;
-extern int ip_doscopedroute;
extern void ip_moptions_init(void);
extern struct ip_moptions *ip_allocmoptions(int);
extern int ip_savecontrol(struct inpcb *, struct mbuf **, struct ip *,
struct mbuf *);
extern struct mbuf *ip_srcroute(void);
-extern void ip_stripoptions(struct mbuf *, struct mbuf *);
+extern void ip_stripoptions(struct mbuf *);
extern void ip_initid(void);
extern u_int16_t ip_randomid(void);
extern void ip_proto_dispatch_in_wrapper(struct mbuf *, int, u_int8_t);
extern int ip_getdstifaddr_info(struct mbuf *, uint32_t *, uint32_t *);
extern int rip_ctloutput(struct socket *, struct sockopt *);
-extern void rip_ctlinput(int, struct sockaddr *, void *);
+extern void rip_ctlinput(int, struct sockaddr *, void *, struct ifnet *);
extern void rip_init(struct protosw *, struct domain *);
extern void rip_input(struct mbuf *, int);
extern int rip_output(struct mbuf *, struct socket *, u_int32_t, struct mbuf *);
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