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syscall: add sockaddr_ll support for linux/386, linux/amd64

Browse Source 
R=rsc, albert.strasheim
CC=golang-dev
https://golang.org/cl/2356042
This commit is contained in:
Mikio Hara 2010-10-12 09:48:56 -04:00 committed by Russ Cox
parent d3a2118b8a
commit b390c4b9d6
7 changed files with 128 additions and 32 deletions
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3
src/pkg/syscall/mkerrors.sh
View File

@ -26,6 +26,7 @@ includes_Linux='
#include <sys/inotify.h>
#include <linux/ptrace.h>
#include <linux/wait.h>
#include <netpacket/packet.h>
'
includes_Darwin='
@ -86,7 +87,7 @@ done
$2 ~ /^E[A-Z0-9_]+$/ ||
$2 ~ /^SIG[^_]/ ||
$2 ~ /^IN_/ ||
$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|EVFILT|EV|SHUT|PROT|MAP)_/ ||
$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|EVFILT|EV|SHUT|PROT|MAP|PACKET)_/ ||
$2 == "SOMAXCONN" ||
$2 == "NAME_MAX" ||
$2 ~ /^(O|F|FD|NAME|S|PTRACE)_/ ||

39
src/pkg/syscall/syscall_linux.go
View File

@ -261,8 +261,47 @@ func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) {
return uintptr(unsafe.Pointer(&sa.raw)), 1 + _Socklen(n) + 1, 0
}
type SockaddrLinklayer struct {
Protocol uint16
Ifindex int
Hatype uint16
Pkttype uint8
Halen uint8
Addr [8]byte
raw RawSockaddrLinklayer
}
func (sa *SockaddrLinklayer) sockaddr() (uintptr, _Socklen, int) {
if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff {
return 0, 0, EINVAL
}
sa.raw.Family = AF_PACKET
sa.raw.Protocol = sa.Protocol
sa.raw.Ifindex = int32(sa.Ifindex)
sa.raw.Hatype = sa.Hatype
sa.raw.Pkttype = sa.Pkttype
sa.raw.Halen = sa.Halen
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrLinklayer, 0
}
func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
switch rsa.Addr.Family {
case AF_PACKET:
pp := (*RawSockaddrLinklayer)(unsafe.Pointer(rsa))
sa := new(SockaddrLinklayer)
sa.Protocol = pp.Protocol
sa.Ifindex = int(pp.Ifindex)
sa.Hatype = pp.Hatype
sa.Pkttype = pp.Pkttype
sa.Halen = pp.Halen
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
return sa, 0
case AF_UNIX:
pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
sa := new(SockaddrUnix)

6
src/pkg/syscall/types_linux.c Executable file → Normal file
View File

@ -15,6 +15,7 @@ Input to godefs. See also mkerrors.sh and mkall.sh
#include <fcntl.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netpacket/packet.h>
#include <signal.h>
#include <stdio.h>
#include <sys/epoll.h>
@ -91,6 +92,7 @@ union sockaddr_all {
struct sockaddr_in s2; // these pad it out
struct sockaddr_in6 s3;
struct sockaddr_un s4;
struct sockaddr_ll s5;
};
struct sockaddr_any {
@ -101,6 +103,7 @@ struct sockaddr_any {
typedef struct sockaddr_in $RawSockaddrInet4;
typedef struct sockaddr_in6 $RawSockaddrInet6;
typedef struct sockaddr_un $RawSockaddrUnix;
typedef struct sockaddr_ll $RawSockaddrLinklayer;
typedef struct sockaddr $RawSockaddr;
typedef struct sockaddr_any $RawSockaddrAny;
typedef socklen_t $_Socklen;
@ -115,6 +118,7 @@ enum {
$SizeofSockaddrInet6 = sizeof(struct sockaddr_in6),
$SizeofSockaddrAny = sizeof(struct sockaddr_any),
$SizeofSockaddrUnix = sizeof(struct sockaddr_un),
$SizeofSockaddrLinklayer = sizeof(struct sockaddr_ll),
$SizeofLinger = sizeof(struct linger),
$SizeofMsghdr = sizeof(struct msghdr),
$SizeofCmsghdr = sizeof(struct cmsghdr),
@ -126,7 +130,7 @@ enum {
typedef struct inotify_event $InotifyEvent;
enum {
$SizeofInotifyEvent = sizeof(struct inotify_event)
$SizeofInotifyEvent = sizeof(struct inotify_event)
};

15
src/pkg/syscall/zerrors_linux_386.go
View File

@ -408,6 +408,21 @@ const (
O_SYNC = 0x1000
O_TRUNC = 0x200
O_WRONLY = 0x1
PACKET_ADD_MEMBERSHIP = 0x1
PACKET_BROADCAST = 0x1
PACKET_DROP_MEMBERSHIP = 0x2
PACKET_FASTROUTE = 0x6
PACKET_HOST = 0
PACKET_LOOPBACK = 0x5
PACKET_MR_ALLMULTI = 0x2
PACKET_MR_MULTICAST = 0
PACKET_MR_PROMISC = 0x1
PACKET_MULTICAST = 0x2
PACKET_OTHERHOST = 0x3
PACKET_OUTGOING = 0x4
PACKET_RECV_OUTPUT = 0x3
PACKET_RX_RING = 0x5
PACKET_STATISTICS = 0x6
PTRACE_ATTACH = 0x10
PTRACE_BTS_CLEAR = 0x2c
PTRACE_BTS_CONFIG = 0x28

15
src/pkg/syscall/zerrors_linux_amd64.go
View File

@ -408,6 +408,21 @@ const (
O_SYNC = 0x1000
O_TRUNC = 0x200
O_WRONLY = 0x1
PACKET_ADD_MEMBERSHIP = 0x1
PACKET_BROADCAST = 0x1
PACKET_DROP_MEMBERSHIP = 0x2
PACKET_FASTROUTE = 0x6
PACKET_HOST = 0
PACKET_LOOPBACK = 0x5
PACKET_MR_ALLMULTI = 0x2
PACKET_MR_MULTICAST = 0
PACKET_MR_PROMISC = 0x1
PACKET_MULTICAST = 0x2
PACKET_OTHERHOST = 0x3
PACKET_OUTGOING = 0x4
PACKET_RECV_OUTPUT = 0x3
PACKET_RX_RING = 0x5
PACKET_STATISTICS = 0x6
PTRACE_ARCH_PRCTL = 0x1e
PTRACE_ATTACH = 0x10
PTRACE_BTS_CLEAR = 0x2c

41
src/pkg/syscall/ztypes_linux_386.go
View File

@ -6,21 +6,22 @@ package syscall
// Constants
const (
sizeofPtr = 0x4
sizeofShort = 0x2
sizeofInt = 0x4
sizeofLong = 0x4
sizeofLongLong = 0x8
PathMax = 0x1000
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
SizeofSockaddrAny = 0x70
SizeofSockaddrUnix = 0x6e
SizeofLinger = 0x8
SizeofMsghdr = 0x1c
SizeofCmsghdr = 0xc
SizeofUcred = 0xc
SizeofInotifyEvent = 0x10
sizeofPtr = 0x4
sizeofShort = 0x2
sizeofInt = 0x4
sizeofLong = 0x4
sizeofLongLong = 0x8
PathMax = 0x1000
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
SizeofSockaddrAny = 0x70
SizeofSockaddrUnix = 0x6e
SizeofSockaddrLinklayer = 0x14
SizeofLinger = 0x8
SizeofMsghdr = 0x1c
SizeofCmsghdr = 0xc
SizeofUcred = 0xc
SizeofInotifyEvent = 0x10
)
// Types
@ -181,6 +182,16 @@ type RawSockaddrUnix struct {
Path [108]int8
}
type RawSockaddrLinklayer struct {
Family uint16
Protocol uint16
Ifindex int32
Hatype uint16
Pkttype uint8
Halen uint8
Addr [8]uint8
}
type RawSockaddr struct {
Family uint16
Data [14]int8

41
src/pkg/syscall/ztypes_linux_amd64.go
View File

@ -6,21 +6,22 @@ package syscall
// Constants
const (
sizeofPtr = 0x8
sizeofShort = 0x2
sizeofInt = 0x4
sizeofLong = 0x8
sizeofLongLong = 0x8
PathMax = 0x1000
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
SizeofSockaddrAny = 0x70
SizeofSockaddrUnix = 0x6e
SizeofLinger = 0x8
SizeofMsghdr = 0x38
SizeofCmsghdr = 0x10
SizeofUcred = 0xc
SizeofInotifyEvent = 0x10
sizeofPtr = 0x8
sizeofShort = 0x2
sizeofInt = 0x4
sizeofLong = 0x8
sizeofLongLong = 0x8
PathMax = 0x1000
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
SizeofSockaddrAny = 0x70
SizeofSockaddrUnix = 0x6e
SizeofSockaddrLinklayer = 0x14
SizeofLinger = 0x8
SizeofMsghdr = 0x38
SizeofCmsghdr = 0x10
SizeofUcred = 0xc
SizeofInotifyEvent = 0x10
)
// Types
@ -181,6 +182,16 @@ type RawSockaddrUnix struct {
Path [108]int8
}
type RawSockaddrLinklayer struct {
Family uint16
Protocol uint16
Ifindex int32
Hatype uint16
Pkttype uint8
Halen uint8
Addr [8]uint8
}
type RawSockaddr struct {
Family uint16
Data [14]int8