/*
- * Copyright (c) 2004-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2004-2018 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <sys/_types/_sa_family_t.h>
#ifdef XNU_KERNEL_PRIVATE
+#if CONFIG_EMBEDDED
+#define KPI_INTERFACE_EMBEDDED 1
+#else
#define KPI_INTERFACE_EMBEDDED 0
+#endif
+#else
+#if TARGET_OS_EMBEDDED
+#define KPI_INTERFACE_EMBEDDED 1
#else
#define KPI_INTERFACE_EMBEDDED 0
#endif
+#endif
struct timeval;
struct sockaddr;
IFNET_SUBFAMILY_RESERVED = 5,
IFNET_SUBFAMILY_INTCOPROC = 6,
IFNET_SUBFAMILY_UTUN = 7,
+ IFNET_SUBFAMILY_IPSEC = 8,
};
/*
#ifdef KERNEL_PRIVATE
IFNET_CSUM_PARTIAL = 0x00001000,
IFNET_CSUM_SUM16 = IFNET_CSUM_PARTIAL,
+ IFNET_CSUM_ZERO_INVERT = 0x00002000,
#endif /* KERNEL_PRIVATE */
IFNET_VLAN_TAGGING = 0x00010000,
IFNET_VLAN_MTU = 0x00020000,
#ifdef KERNEL_PRIVATE
#define IFNET_OFFLOADF_BITS \
"\020\1CSUM_IP\2CSUM_TCP\3CSUM_UDP\4CSUM_IP_FRAGS\5IP_FRAGMENT" \
- "\6CSUM_TCPIPV6\7CSUM_UDPIPV6\10IPV6_FRAGMENT\15CSUM_PARTIAL" \
- "\20VLAN_TAGGING\21VLAN_MTU\25MULTIPAGES\26TSO_IPV4\27TSO_IPV6" \
- "\30TXSTATUS\31HW_TIMESTAMP\32SW_TIMESTAMP"
+ "\6CSUM_TCPIPV6\7CSUM_UDPIPV6\10IPV6_FRAGMENT\15CSUM_PARTIAL" \
+ "\16CSUM_ZERO_INVERT\20VLAN_TAGGING\21VLAN_MTU\25MULTIPAGES" \
+ "\26TSO_IPV4\27TSO_IPV6\30TXSTATUS\31HW_TIMESTAMP\32SW_TIMESTAMP"
#define IFNET_CHECKSUMF \
(IFNET_CSUM_IP | IFNET_CSUM_TCP | IFNET_CSUM_UDP | \
IFNET_CSUM_FRAGMENT | IFNET_CSUM_TCPIPV6 | IFNET_CSUM_UDPIPV6 | \
- IFNET_CSUM_PARTIAL)
+ IFNET_CSUM_PARTIAL | IFNET_CSUM_ZERO_INVERT)
#define IFNET_TSOF \
(IFNET_TSO_IPV4 | IFNET_TSO_IPV6)
/* Valid values for flags */
#define IFNET_INIT_LEGACY 0x1 /* legacy network interface model */
#define IFNET_INIT_INPUT_POLL 0x2 /* opportunistic input polling model */
+#define IFNET_INIT_NX_NOAUTO 0x4 /* do not auto config nexus */
+#define IFNET_INIT_ALLOC_KPI 0x8 /* allocated via the ifnet_alloc() KPI */
/*
@typedef ifnet_pre_enqueue_func
u_int32_t max_count, mbuf_t *first_packet, mbuf_t *last_packet,
u_int32_t *cnt, u_int32_t *len);
-#ifdef BSD_KERNEL_PRIVATE
-struct thread;
-typedef errno_t (*ifnet_input_handler_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 (*ifnet_output_handler_func)(ifnet_t interface, mbuf_t data);
-
-extern errno_t ifnet_set_input_handler(struct ifnet *ifp,
- ifnet_input_handler_func fn);
-extern errno_t ifnet_set_output_handler(struct ifnet *ifp,
- ifnet_output_handler_func fn);
-extern void ifnet_reset_input_handler(struct ifnet *ifp);
-extern void ifnet_reset_output_handler(struct ifnet *ifp);
-#endif /* BSD_KERNEL_PRIVATE */
/*
@enum Interface control commands
@abstract Constants defining control commands.
@field broadcast_addr The link-layer broadcast address for this
interface.
@field broadcast_len The length of the link-layer broadcast address.
+ @field tx_headroom The amount of headroom space to be reserved in the
+ packet being transmitted on the interface, specified in bytes.
+ Must be a multiple of 8 bytes.
+ @field tx_trailer The amount of trailer space to be reserved in the
+ packet being transmitted on the interface, specified in bytes.
+ @field rx_mit_ival mitigation interval for the rx mitigation logic,
+ specified in microseconds.
*/
struct ifnet_init_eparams {
u_int32_t ver; /* required */
u_int32_t broadcast_len; /* required for non point-to-point interfaces */
ifnet_framer_extended_func framer_extended; /* optional */
ifnet_subfamily_t subfamily; /* optional */
+ u_int16_t tx_headroom; /* optional */
+ u_int16_t tx_trailer; /* optional */
+ u_int32_t rx_mit_ival; /* optional */
#if !defined(__LP64__)
- u_int64_t _____reserved[3]; /* for future use */
+ u_int64_t ____reserved[2]; /* for future use */
#else
- u_int32_t ____reserved; /* pad */
- u_int64_t _____reserved[2]; /* for future use */
+ u_int32_t ____reserved; /* for future use */
+ u_int64_t _____reserved[1]; /* for future use */
#endif /* __LP64__ */
};
#endif /* KERNEL_PRIVATE */
if an interface with the same uniqueid and family has already
been allocated and is in use.
*/
+#ifdef KERNEL_PRIVATE
+extern errno_t ifnet_allocate_internal(const struct ifnet_init_params *init,
+ ifnet_t *interface);
+
+#define ifnet_allocate(init, interface) \
+ ifnet_allocate_internal((init), (interface))
+#else
extern errno_t ifnet_allocate(const struct ifnet_init_params *init,
ifnet_t *interface);
+#endif /* KERNEL_PRIVATE */
#ifdef KERNEL_PRIVATE
/*
*/
extern void ifnet_start(ifnet_t interface);
-/*
- @function ifnet_transmit_burst_start
- @discussion Inform the kernel about the beginning of transmission
- of a burst. This function should be called when a burst of
- packets are scheduled to get transmitted over the link. The
- callback will be used by the system to start measuring
- bandwidth available on that link. The driver may choose to
- adopt this scheme for uplink bandwidth measurement, in case
- the information can't be obtained from the hardware. Else
- it may alternatively inform the network stack about the
- information using ifnet_set_bandwidths.
- @param interface The interface.
- @param mbuf_t The first packet in a burst of packets that has been
- scheduled to transmit.
-*/
-extern void ifnet_transmit_burst_start(ifnet_t interface, mbuf_t pkt);
-
-/*
- @function ifnet_transmit_burst_end
- @discussion Inform the kernel about the end of transmission of a burst.
- This function should be called when the transmission of a burst
- of packets is done. This information will be used by the
- system to estimate bandwidth available on that link. The
- driver may choose to adopt this scheme for uplink bandwidth
- measurement, in case the information can't be obtained from
- the hardware. Else it may alternatively inform the network
- stack about the information using ifnet_set_bandwidths.
- @param interface The interface.
- @param mbuf_t The last packet in the burst that has been successfully
- transmitted.
-*/
-extern void ifnet_transmit_burst_end(ifnet_t interface, mbuf_t pkt);
-
/*
@function ifnet_flowid
@discussion Returns the interface flow ID value, which can be used
@field ifc_destroy The function to destroy an interface.
*/
struct ifnet_clone_params {
- const char *ifc_name;
+ const char *ifc_name;
ifnet_clone_create_func ifc_create;
ifnet_clone_destroy_func ifc_destroy;
};
IFNET_GET_LOCAL_PORTS_EXTBGIDLEONLY: When bit is set, the
port is in the list only if the socket has the option
SO_EXTENDED_BK_IDLE set
- IFNET_GET_LOCAL_PORTS_ACTIVETCPONLY: When bit is set, the
+ IFNET_GET_LOCAL_PORTS_ACTIVEONLY: When bit is set, the
port is in the list only if the socket is not in a final TCP
state or the connection is not idle in a final TCP state
@param bitfield A pointer to 8192 bytes.
extern errno_t ifnet_link_status_report(ifnet_t ifp, const void *buffer,
size_t buffer_len);
-/*************************************************************************/
-/* Packet preamble */
-/*************************************************************************/
-/*!
- @function ifnet_set_packetpreamblelen
- @discussion
- Allows a driver to specify a leading space to be
- reserved in front of the link layer header.
- The preamble is logically adjoining the link layer which
- itself is logically contiguous to the network protocol header
- (e.g. IP).
- There is no guarantee that packets being sent to the
- driver has leading space reserved for the preamble.
- There is also no guarantee the packet will be laid out in a
- contiguous block of memory.
- The network protocol header is 32 bit aligned and this dictates
- the alignment of the link layer header which in turn affects
- the alignment the packet preamble.
- This function is intended to be called by the driver. A kext
- must not call this function on an interface the kext does not
- own.
- @param interface The interface.
- @param len The length of the packet preamble.
- @result 0 on success otherwise the errno error.
- */
-extern errno_t ifnet_set_packetpreamblelen(ifnet_t interface, u_int32_t len);
-
-/*!
- @function ifnet_packetpreamblelen
- @param interface The interface.
- @result The current packet preamble length.
- */
-extern u_int32_t ifnet_packetpreamblelen(ifnet_t interface);
-
-/*!
- @function ifnet_maxpacketpreamblelen
- @result The maximum packet preamble length supported by the system
- */
-extern u_int32_t ifnet_maxpacketpreamblelen(void);
-
/*************************************************************************/
/* QoS Fastlane */
/*************************************************************************/
*/
extern void ifnet_normalise_unsent_data(void);
+/*************************************************************************/
+/* Low Power Mode */
+/*************************************************************************/
+
+/*!
+ @function ifnet_set_low_power_mode
+ @param interface The interface.
+ @param on Set the truth value that the interface is in low power mode.
+ @result Returns 0 on success, error number otherwise.
+ */
+extern errno_t ifnet_set_low_power_mode(ifnet_t interface, boolean_t on);
+
+/*!
+ @function ifnet_get_low_power_mode
+ @param interface The interface.
+ @param on On output contains the truth value that the interface
+ is in low power mode.
+ @result Returns 0 on success, error number otherwise.
+ */
+extern errno_t ifnet_get_low_power_mode(ifnet_t interface, boolean_t *on);
+
+/*!
+ @function ifnet_touch_lastupdown
+ @discussion Updates the lastupdown value to now.
+ @param interface The interface.
+ @result 0 on success otherwise the errno error.
+ */
+extern errno_t ifnet_touch_lastupdown(ifnet_t interface);
+
+/*!
+ @function ifnet_updown_delta
+ @discussion Retrieves the difference between lastupdown and now.
+ @param interface The interface.
+ @param updown_delta A timeval struct to copy the delta between lastupdown and now.
+ to.
+ */
+extern errno_t ifnet_updown_delta(ifnet_t interface, struct timeval *updown_delta);
+
#endif /* KERNEL_PRIVATE */
__END_DECLS
projects / apple / xnu.git / blobdiff