sylware / cinitramfs (public) (License: GPLv3) (since 2019-09-09) (hash sha1)
linux lean early user space
Clone URLs: https://rocketgit.com/user/sylware/cinitramfs ssh://rocketgit@ssh.rocketgit.com/user/sylware/cinitramfs git://git.rocketgit.com/user/sylware/cinitramfs
master
List of commits:
Subject Hash Author Date (UTC)
uevent monitor e241bd4db4af8510902a5c606eee0e1e2dbdecda Sylvain BERTRAND 2011-12-13 00:37:45
block signals 91772917669645b5634563d0c06e361c87cf3e84 Sylvain BERTRAND 2011-12-09 17:04:34
initial commit 5310fde2d021e3505f8f1d5d9091726c236967ec Sylvain BERTRAND 2011-12-07 11:29:18
Commit e241bd4db4af8510902a5c606eee0e1e2dbdecda - uevent monitor
Author: Sylvain BERTRAND
Author date (UTC): 2011-12-13 00:37
Committer name: Sylvain BERTRAND
Committer date (UTC): 2011-12-13 00:37
Parent(s): 91772917669645b5634563d0c06e361c87cf3e84
Signing key:
Tree: 60a292e89ab49854ce1f786f1cb54d7a9afe19c2
File Lines added Lines deleted
init.c 23 7
makefile 10 2
uevent_monitor.c 137 0
ulinux/socket/in.h 20 0
ulinux/socket/msg.h 71 35
ulinux/socket/netlink.h 90 0
ulinux/socket/socket.h 9 21
File init.c changed (mode: 100644) (index 60a0113..90888b1)
5 5 //****************************************************************************** //******************************************************************************
6 6 #include <ulinux/compiler_types.h> #include <ulinux/compiler_types.h>
7 7 #include <ulinux/arch/sysc.h> #include <ulinux/arch/sysc.h>
8 #ifdef DEBUG
9 8 #include <ulinux/arch/types.h> #include <ulinux/arch/types.h>
10 9 #include <ulinux/error.h> #include <ulinux/error.h>
10 #include <ulinux/socket/socket.h>
11 #include <ulinux/socket/netlink.h>
12 #ifdef DEBUG
11 13 #include <ulinux/file.h> #include <ulinux/file.h>
12 14 #include <ulinux/stat.h> #include <ulinux/stat.h>
13 15 #include <ulinux/mmap.h> #include <ulinux/mmap.h>
 
... ... k_u8 *g_dprintf_buf;
25 27 k_i g_console; k_i g_console;
26 28 #endif #endif
27 29
30 static k_i uevent_sock;
31
28 32 static void sigs_setup(void) static void sigs_setup(void)
29 33 { {
30 34 k_ul mask=(~0); k_ul mask=(~0);
 
... ... static void sigs_setup(void)
35 39 } }
36 40 } }
37 41
42 static void uevent_setup(void)
43 {
44 uevent_sock=(k_i)sysc(socket,3,K_PF_NETLINK,K_SOCK_RAW|K_SOCK_NONBLOCK,
45 K_NETLINK_KOBJECT_UEVENT);
46 if(K_ISERR(uevent_sock)){
47 OUT(PRE "ERROR:unable to create uevent netlink socket:%d\n",uevent_sock);
48 sysc(exit_group,1,-1);
49 }
50 }
51
38 52 void _start(void) void _start(void)
39 53 { {
40 54 # ifdef DEBUG # ifdef DEBUG
41 k_l rl=sysc(open,3,"/dev/console",K_O_WRONLY,0);
42 if(K_ISERR(rl)) sysc(exit_group,1,-1);
43 g_console=(k_i)rl;
44 rl=sysc(mmap,6,0, K_PAGE_SIZE, K_PROT_READ|K_PROT_WRITE,
55 //FIXME:put the debug buffer in static section
56 k_l r=sysc(open,3,"/dev/console",K_O_WRONLY,0);
57 if(K_ISERR(r)) sysc(exit_group,1,-1);
58 g_console=(k_i)r;
59 r=sysc(mmap,6,0, K_PAGE_SIZE, K_PROT_READ|K_PROT_WRITE,
45 60 K_MAP_PRIVATE|K_MAP_ANONYMOUS|K_MAP_POPULATE,0,0); K_MAP_PRIVATE|K_MAP_ANONYMOUS|K_MAP_POPULATE,0,0);
46 if(K_ISERR(rl)){
61 if(K_ISERR(r)){
47 62 OUTC(PRE "ERROR:unable to mmap a memory page for formatted output\n"); OUTC(PRE "ERROR:unable to mmap a memory page for formatted output\n");
48 63 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
49 64 } }
50 g_dprintf_buf=(k_u8*)rl;//just one page should be enough for formatted output
65 g_dprintf_buf=(k_u8*)r;//just one page should be enough for formatted output
51 66 # endif # endif
52 67 sigs_setup(); sigs_setup();
68 uevent_setup();
53 69 modules_load(); modules_load();
54 70 sysc(exit_group,1,0); sysc(exit_group,1,0);
55 71 } }
File makefile changed (mode: 100644) (index 3e39461..a47a4aa)
1 1 include conf.mk include conf.mk
2 2
3 .PHONY:all dirs clean am_i_root help
3 .PHONY:all dirs clean am_i_root help uevent_monitor
4 4
5 5 DIRS=\ DIRS=\
6 6 $(OBJ_DIR) \ $(OBJ_DIR) \
 
... ... OBJS+= $(ULINUX_DEBUG_OBJS)
21 21 endif endif
22 22
23 23 help: help:
24 @echo "targets are 'all', 'help'(this output), 'clean'"
24 @echo "targets are 'all', 'help'(this output), 'clean', 'uevent_monitor'"
25 25 @echo -e "you can configure the build with the following variables:\\n\ @echo -e "you can configure the build with the following variables:\\n\
26 26 SYSROOT, KERNEL_VERSION, ARCH, MODULES, SCSI_WAIT, CC, LD, CFLAGS, LDFLAGS\\n\ SYSROOT, KERNEL_VERSION, ARCH, MODULES, SCSI_WAIT, CC, LD, CFLAGS, LDFLAGS\\n\
27 27 (you can tune the conf.mk file)" (you can tune the conf.mk file)"
 
... ... clean:
79 79 -rm -f ulinux/arch -rm -f ulinux/arch
80 80 -rm -Rf $(BUILD_DIR) -rm -Rf $(BUILD_DIR)
81 81 -rm -f modules_list.h -rm -f modules_list.h
82
83 #===============================================================================
84 $(BUILD_DIR)/uevent_monitor:uevent_monitor.c $(ULINUX_DEBUG_OBJS)
85 $(CC) $(CFLAGS) -c $< -o /tmp/uevent_monitor.o
86 $(LD) $(LDFLAGS) /tmp/uevent_monitor.o $(ULINUX_DEBUG_OBJS) --output $@
87
88 uevent_monitor:dirs ulinux/arch $(BUILD_DIR)/uevent_monitor
89 #===============================================================================
File uevent_monitor.c added (mode: 100644) (index 0000000..359a60e)
1 #include <ulinux/compiler_types.h>
2 #include <ulinux/arch/sysc.h>
3 #include <ulinux/arch/types.h>
4 #include <ulinux/error.h>
5 #include <ulinux/file.h>
6 #include <ulinux/stat.h>
7 #include <ulinux/mmap.h>
8 #include <ulinux/signal/signal.h>
9 #include <ulinux/socket/socket.h>
10 #include <ulinux/socket/msg.h>
11 #include <ulinux/socket/netlink.h>
12 #include <ulinux/epoll.h>
13 #include <stdarg.h>
14 #include <ulinux/utils/ascii/string/vsprintf.h>
15 #include <ulinux/utils/mem.h>
16
17 //XXX:what udev does in extra
18 // - it force overides the kernel socket buffer size to 128 MB (then 256 MB)
19 // - it checks on socket credential
20 // - it checks the netlink sender is 0 (kernel)
21 // - it uses the socket filter
22
23 #define DPRINTF_BUF_SZ 1024
24 static k_u8 *g_dprintf_buf;
25 #define ERR(f,...) u_a_dprintf(2,g_dprintf_buf,DPRINTF_BUF_SZ,(k_u8*)f,\
26 __VA_ARGS__)
27 #define ERRC(s) sysc(write,3,2,s,sizeof(s))
28
29 static void uevent_rcv(k_i s)
30 {
31 k_u8 buf[8192];
32 u_memset(buf,0,sizeof(buf));
33
34 struct k_io_vec io_vec;
35 io_vec.base=buf;
36 io_vec.len=sizeof(buf);
37
38 struct k_msg_hdr msg;
39 u_memset(&msg,0,sizeof(msg));
40 msg.iov=&io_vec;
41 msg.iov_len=1;
42
43 k_l r;
44 do{
45 r=sysc(recvmsg,3,s,&msg,0);
46 }while(r==-K_EINTR);
47 if(K_ISERR(r)){
48 ERR("ERROR:unable to receive the uevent(%ld)\n",r);
49 sysc(exit_group,1,-1);
50 }
51 if(msg.flgs&K_MSG_TRUNC){
52 ERR("ERROR:the uevent was truncated(flags=0x%x)\n",msg.flgs);
53 sysc(exit_group,1,-1);
54 }
55 ERRC("uevent received:\n");
56 k_i len=r;
57 k_u8 *p=&buf[0];
58 while(len){
59 if(*p) ERR("%c",*p); else ERRC("\n");
60 ++p;
61 len--;
62 }
63 ERRC("\n");
64 }
65
66 void _start(void)
67 {
68 static k_u8 dprintf_buf[DPRINTF_BUF_SZ];
69 g_dprintf_buf=&dprintf_buf[0];
70
71 //----------------------------------------------------------------------------
72
73 k_i ep_fd=(k_i)sysc(epoll_create1,1,0);
74 if(K_ISERR(ep_fd)){
75 ERR("FATAL:unable to create epoll fd (%d)\n",ep_fd);
76 sysc(exit_group,1,-1);
77 }
78
79 //----------------------------------------------------------------------------
80
81 k_i s=(k_i)sysc(socket,3,K_PF_NETLINK,K_SOCK_RAW|K_SOCK_NONBLOCK,
82 K_NETLINK_KOBJECT_UEVENT);
83 if(K_ISERR(s)){
84 ERR("ERROR:unable to uevent netlink socket:%d\n",s);
85 sysc(exit_group,1,-1);
86 }
87
88 //----------------------------------------------------------------------------
89
90 //uevent groups? only one: 1
91 struct k_sockaddr_nl addr={K_AF_NETLINK,0,0,1};
92 k_l r=sysc(bind,3,s,&addr,sizeof(addr));
93 if(K_ISERR(r)){
94 ERR("ERROR:unable to bind address to uevent netlink socket:%ld\n",r);
95 sysc(exit_group,1,-1);
96 }
97
98 //----------------------------------------------------------------------------
99
100 struct k_epoll_event ep_evt;
101 u_memset(&ep_evt,0,sizeof(ep_evt));
102 ep_evt.events=K_EPOLLIN;
103 ep_evt.data.fd=s;
104 r=sysc(epoll_ctl,4,ep_fd,K_EPOLL_CTL_ADD,s,&ep_evt);
105 if(K_ISERR(r)){
106 ERR("ERROR:unable to register uevent netlink socket to epoll (%ld)\n",r);
107 sysc(exit_group,1,-1);
108 }
109
110 //----------------------------------------------------------------------------
111 //
112 while(1){
113 static struct k_epoll_event evts[1];//uevent netlink event
114 do{
115 u_memset(evts,0,sizeof(evts));
116 r=sysc(epoll_wait,4,ep_fd,evts,1,-1);
117 }while(r==-K_EINTR);
118 if(K_ISERR(r)){
119 ERR("FATAL:error epolling fds (%ld)\n",r);
120 sysc(exit_group,1,-1);
121 }
122 k_l i=0;
123 while(i<r){
124 if(evts[i].data.fd==s){
125 if(evts[i].events&K_EPOLLIN){
126 uevent_rcv(s);
127 }else{
128 ERR("ERROR:unmanaged epolling event on uevent netlink socket"
129 " n=%ld events=%u\n", i,evts[i].events);
130 sysc(exit_group,1,-1);
131 }
132 }
133 ++i;
134 }
135 }
136 sysc(exit_group,1,0);
137 }
File ulinux/socket/in.h added (mode: 100644) (index 0000000..1d4b023)
1 #ifndef ULINUX_SOCKET_IN_H
2 #define ULINUX_SOCKET_IN_H
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
8 struct k_in_addr{k_u32 s_addr;};
9
10 struct k_sockaddr_in{
11 k_us sin_family;//address family
12 k_u16 sin_port;//port number
13 struct k_in_addr sin_addr;//internet address
14
15 //pad to size of `struct sockaddr'
16 k_u8 __pad[__SOCK_ADDR_SZ__-sizeof(k_s)-sizeof(k_us)
17 -sizeof(struct k_in_addr)];
18 };
19 #define K_INADDR_ANY ((k_ul)0x00000000)
20 #endif
File ulinux/socket/msg.h changed (mode: 100644) (index e1d2ae2..6945e51)
1 //**********************************************************************************************
2 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND (sylvain.bertrand AT gmail dot com)
4 //**********************************************************************************************
5 1 #ifndef ULINUX_SOCKET_MSG_H #ifndef ULINUX_SOCKET_MSG_H
6 2 #define ULINUX_SOCKET_MSG_H #define ULINUX_SOCKET_MSG_H
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
7 8 #define K_SOL_SOCKET 1 #define K_SOL_SOCKET 1
8 9
9 struct k_iovec{//will probably go somewhere else proper kernel facilities are used
10 void *iov_base;//BSD uses caddr_t (1003.1g requires void *)
11 k_sz iov_len; //Must be size_t (1003.1g)
10 struct k_io_vec{//will probably go somewhere else
11 void *base;//BSD uses caddr_t (1003.1g requires void *)
12 k_sz len; //Must be size_t (1003.1g)
12 13 }; };
13 14
14 struct k_msghdr{
15 void *msg_name; //socket name
16 k_i msg_namelen; //length of name
17 struct k_iovec *msg_iov; //data blocks
18 k_sz msg_iovlen; //number of blocks
19 void *msg_control; //per protocol magic (eg BSD file descriptor passing)
20 k_sz msg_controllen;//length of cmsg list
21 k_u msg_flags;
15 struct k_msg_hdr{
16 void *name;//socket name
17 k_i name_len;//length of name
18 struct k_io_vec *iov;//data blocks
19 k_sz iov_len;//number of blocks
20 void *control;//per protocol magic (eg BSD file descriptor passing)
21 k_sz control_len;//length of cmsg list
22 k_u flgs;
22 23 }; };
23 24
24 struct k_cmsghdr{
25 k_sz cmsg_len; //data byte count, including hdr
26 k_i cmsg_level;//originating protocol
27 k_i cmsg_type; //protocol-specific type
25 //the c prefix stands for access *c*ontrol message (other name ancillary data)
26 struct k_cmsg_hdr{
27 k_sz len;//data byte count, including hdr
28 k_i lvl;//originating protocol
29 k_i type;//protocol-specific type
28 30 }; };
29 31
30 32 #define __K_CMSG_NXTHDR(ctl,len,cmsg) __k_cmsg_nxthdr((ctl),(len),(cmsg)) #define __K_CMSG_NXTHDR(ctl,len,cmsg) __k_cmsg_nxthdr((ctl),(len),(cmsg))
 
... ... struct k_cmsghdr{
32 34
33 35 #define K_CMSG_ALIGN(len) (((len)+sizeof(k_l)-1)&~(sizeof(k_l)-1)) #define K_CMSG_ALIGN(len) (((len)+sizeof(k_l)-1)&~(sizeof(k_l)-1))
34 36
35 #define K_CMSG_DATA(cmsg) ((void*)((k_u8*)(cmsg)+K_CMSG_ALIGN(sizeof(struct k_cmsghdr))))
36 #define K_CMSG_SPACE(len) (K_CMSG_ALIGN(sizeof(struct k_cmsghdr))+K_CMSG_ALIGN(len))
37 #define K_CMSG_LEN(len) (K_CMSG_ALIGN(sizeof(struct k_cmsghdr))+(len))
37 #define K_CMSG_DATA(cmsg) ((void*)((k_u8*)(cmsg)+K_CMSG_ALIGN(\
38 sizeof(struct k_cmsg_hdr))))
39 #define K_CMSG_SPACE(len) (K_CMSG_ALIGN(sizeof(struct k_cmsg_hdr))\
40 +K_CMSG_ALIGN(len))
41 #define K_CMSG_LEN(len) (K_CMSG_ALIGN(sizeof(struct k_cmsg_hdr))+(len))
38 42
39 #define __K_CMSG_FIRSTHDR(ctl,len) ((len)>=sizeof(struct k_cmsghdr) ? \
40 (struct k_cmsghdr *)(ctl) : \
41 (struct k_cmsghdr *)NULL)
42 #define K_CMSG_FIRSTHDR(msg) __K_CMSG_FIRSTHDR((msg)->msg_control,(msg)->msg_controllen)
43 #define K_CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len>=sizeof(struct cmsghdr)&&\
43 #define __K_CMSG_FIRSTHDR(ctl,len) ((len)>=sizeof(struct k_cmsg_hdr) ? \
44 (struct k_cmsg_hdr *)(ctl) : \
45 (struct k_cmsg_hdr *)NULL)
46 #define K_CMSG_FIRSTHDR(msg) __K_CMSG_FIRSTHDR((msg)->msg_control,\
47 (msg)->msg_controllen)
48 #define K_CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len>=sizeof(struct cmsg_hdr)&&\
44 49 (cmsg)->cmsg_len<=(k_ul)\ (cmsg)->cmsg_len<=(k_ul)\
45 50 ((mhdr)->msg_controllen-\ ((mhdr)->msg_controllen-\
46 51 ((k_u8*)(cmsg)-(k_u8*)(mhdr)->msg_control))) ((k_u8*)(cmsg)-(k_u8*)(mhdr)->msg_control)))
47 52
48 static inline struct k_cmsghdr * __k_cmsg_nxthdr(void *ctl,k_sz size,struct k_cmsghdr *cmsg)
53 static inline struct k_cmsg_hdr * __k_cmsg_nxthdr(void *ctl,k_sz size,
54 struct k_cmsg_hdr *cmsg)
49 55 { {
50 struct k_cmsghdr *ptr;
56 struct k_cmsg_hdr *ptr;
51 57
52 ptr=(struct k_cmsghdr*)(((k_u8*)cmsg)+K_CMSG_ALIGN(cmsg->cmsg_len));
53 if((k_ul)((k_u8*)(ptr+1)-(k_u8*)ctl)>size) return (struct k_cmsghdr *)0;
58 ptr=(struct k_cmsg_hdr*)(((k_u8*)cmsg)+K_CMSG_ALIGN(cmsg->len));
59 if((k_ul)((k_u8*)(ptr+1)-(k_u8*)ctl)>size) return (struct k_cmsg_hdr *)0;
54 60 return ptr; return ptr;
55 61 } }
56 62
57 static inline struct k_cmsghdr *k_cmsg_nxthdr(struct k_msghdr *msg,struct k_cmsghdr *cmsg)
63 static inline struct k_cmsg_hdr *k_cmsg_nxthdr(struct k_msg_hdr *msg,
64 struct k_cmsg_hdr *cmsg)
58 65 { {
59 return __k_cmsg_nxthdr(msg->msg_control,msg->msg_controllen,cmsg);
66 return __k_cmsg_nxthdr(msg->control,msg->control_len,cmsg);
60 67 } }
61 68
62 #define K_MSG_CTRUNC 8
63 #define K_SCM_RIGHTS 0x01//rw: access rights (array of int)
69 #define K_MSG_OOB 1
70 #define K_MSG_PEEK 2
71 #define K_MSG_DONTROUTE 4
72 #define K_MSG_TRYHARD 4//synonym for msg_dontroute for decnet
73 #define K_MSG_CTRUNC 8
74 #define K_MSG_PROBE 0x10//do not send. only probe path f.e. for mtu
75 #define K_MSG_TRUNC 0x20
76 #define K_MSG_DONTWAIT 0x40//nonblocking io
77 #define K_MSG_EOR 0x80//end of record
78 #define K_MSG_WAITALL 0x100//wait for a full request
79 #define K_MSG_FIN 0x200
80 #define K_MSG_SYN 0x400
81 #define K_MSG_CONFIRM 0x800//confirm path validity
82 #define K_MSG_RST 0x1000
83 #define K_MSG_ERRQUEUE 0x2000//fetch message from error queue
84 #define K_MSG_NOSIGNAL 0x4000//do not generate sigpipe
85 #define K_MSG_MORE 0x8000//sender will send more
86 #define K_MSG_WAITFORONE 0x10000//recvmmsg(): block until 1+ packets avail
87 #define K_MSG_EOF K_MSG_FIN
88 #define K_MSG_CMSG_CLOEXEC 0x40000000//set close_on_exit for file descriptor
89 //received through scm_rights
90
91 //"socket"-level control message types:
92 #define K_SCM_RIGHTS 0x01//rw: access rights (array of int)
93 #define K_SCM_CREDENTIALS 0x02//rw: struct ucred
94 #define K_SCM_SECURITY 0x03//rw: security label
95 struct ucred{
96 k_u32 pid;
97 k_u32 uid;
98 k_u32 gid;
99 };
64 100 #endif #endif
File ulinux/socket/netlink.h added (mode: 100644) (index 0000000..88775d0)
1 #ifndef ULINUX_SOCKET_NETLINK_H
2 #define ULINUX_SOCKET_NETLINK_H
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
8 #define K_NETLINK_ROUTE 0//routing/device hook
9 #define K_NETLINK_UNUSED 1//unused number
10 #define K_NETLINK_USERSOCK 2//reserved for user mode socket protocols
11 #define K_NETLINK_FIREWALL 3//firewalling hook
12 #define K_NETLINK_INET_DIAG 4//inet socket monitoring
13 #define K_NETLINK_NFLOG 5//netfilter/iptables ulog
14 #define K_NETLINK_XFRM 6//ipsec
15 #define K_NETLINK_SELINUX 7//selinux event notifications
16 #define K_NETLINK_ISCSI 8//open-iscsi
17 #define K_NETLINK_AUDIT 9//auditing
18 #define K_NETLINK_FIB_LOOKUP 10
19 #define K_NETLINK_CONNECTOR 11
20 #define K_NETLINK_NETFILTER 12//netfilter subsystem
21 #define K_NETLINK_IP6_FW 13
22 #define K_NETLINK_DNRTMSG 14//decnet routing messages
23 #define K_NETLINK_KOBJECT_UEVENT 15//kernel messages to userspace
24 #define K_NETLINK_GENERIC 16
25 //leave room for netlink_dm (dm events)
26 #define K_NETLINK_SCSITRANSPORT 18//scsi transports
27 #define K_NETLINK_ECRYPTFS 19
28 #define K_NETLINK_RDMA 20
29 #define K_MAX_LINKS 32
30
31 struct k_sockaddr_nl{
32 k_us nl_family;//AF_NETLINK
33 k_us nl_pad;//zero
34 k_u32 nl_pid;//*port* id
35 k_u32 nl_groups;//multicast groups mask
36 //padding on __SOCK_ADDR_SZ__ in 0
37 };
38
39 struct k_nl_msg_hdr{
40 k_u32 len;//length of message including header
41 k_u16 type;//message content
42 k_u16 flgs;//additional flags
43 k_u32 seq;//sequence number
44 k_u32 pid;//sending process port id
45 };
46
47 //flags values
48 #define K_NLM_F_REQUEST 1//it is request message
49 #define K_NLM_F_MULTI 2//multipart message, terminated by nlmsg_done
50 #define K_NLM_F_ACK 4//reply with ack, with zero or error code
51 #define K_NLM_F_ECHO 8//echo this request
52 #define K_NLM_F_DUMP_INTR 16//dump was inconsistent due to sequence change
53
54 //modifiers to get request
55 #define K_NLM_F_ROOT 0x100//specify tree root
56 #define K_NLM_F_MATCH 0x200//return all matching
57 #define K_NLM_F_ATOMIC 0x400//atomic get
58 #define K_NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)
59
60 //modifiers to new request
61 #define K_NLM_F_REPLACE 0x100//override existing
62 #define K_NLM_F_EXCL 0x200//do not touch, if it exists
63 #define K_NLM_F_CREATE 0x400//create, if it does not exist
64 #define K_NLM_F_APPEND 0x800//add to end of list
65
66 #define K_NLMSG_ALIGNTO 4U
67 #define K_NLMSG_ALIGN(len) (((len)+K_NLMSG_ALIGNTO-1)&~(K_NLMSG_ALIGNTO-1))
68 #define K_NLMSG_HDRLEN ((k_i)K_NLMSG_ALIGN(sizeof(struct k_nl_msg_hdr)))
69 #define K_NLMSG_LENGTH(len) ((len)+K_NLMSG_ALIGN(K_NLMSG_HDRLEN))
70 #define K_NLMSG_SPACE(len) K_NLMSG_ALIGN(K_NLMSG_LENGTH(len))
71 #define K_NLMSG_DATA(nlh) ((void*)(((k_ut*)nlh)+K_NLMSG_LENGTH(0)))
72 #define K_NLMSG_NEXT(nlh,len) ((len)-=K_NLMSG_ALIGN((nlh)->len),\
73 (struct k_nl_msg_hdr*)(((k_ut*)(nlh))\
74 +K_NLMSG_ALIGN((nlh)->len)))
75 #define K_NLMSG_OK(nlh,len) ((len)>=(k_i)sizeof(struct k_nl_msg_hdr)\
76 &&(nlh)->len>=sizeof(struct k_nl_msg_hdr)\
77 &&(nlh)->len<=(len))
78 #define K_NLMSG_PAYLOAD(nlh,len) ((nlh)->len-K_NLMSG_SPACE((len)))
79
80 #define K_NLMSG_NOOP 0x1//nothing
81 #define K_NLMSG_ERROR 0x2//error
82 #define K_NLMSG_DONE 0x3//end of a dump
83 #define K_NLMSG_OVERRUN 0x4//data lost
84 #define K_NLMSG_MIN_TYPE 0x10//<0x10:reserved control messages
85
86 struct k_nl_msg_err{
87 k_i error;
88 struct k_nl_msg_hdr msg;
89 };
90 #endif
File ulinux/socket/socket.h changed (mode: 100644) (index 53c328f..5839831)
1 //**********************************************************************************************
2 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND (sylvain.bertrand AT gmail dot com)
4 //**********************************************************************************************
5 1 #ifndef ULINUX_SOCKET_SOCKET_H #ifndef ULINUX_SOCKET_SOCKET_H
6 2 #define ULINUX_SOCKET_SOCKET_H #define ULINUX_SOCKET_SOCKET_H
7 struct k_in_addr{k_u32 s_addr;};
8
9 #define __SOCK_SIZE__ 16//sizeof(struct sockaddr)
10 struct k_sockaddr_in{
11 k_us sin_family;//address family
12 k_u16 sin_port;//port number
13 struct k_in_addr sin_addr;//internet address
14
15 //pad to size of `struct sockaddr'
16 k_u8 __pad[__SOCK_SIZE__-sizeof(k_s)-sizeof(k_us)-sizeof(struct k_in_addr)];
17 };
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
8 #define __SOCK_ADDR_SZ__ 16//sizeof(struct sockaddr)
18 9
19 10 #define K_AF_UNSPEC 0 #define K_AF_UNSPEC 0
20 11 #define K_AF_UNIX 1//Unix domain sockets #define K_AF_UNIX 1//Unix domain sockets
 
... ... enum k_sock_type{
109 100
110 101 #define K_SOCK_NONBLOCK K_O_NONBLOCK #define K_SOCK_NONBLOCK K_O_NONBLOCK
111 102
112 //XXX:should go in a IPv4 section
113 #define K_INADDR_ANY ((k_ul)0x00000000)
114
115 //----------------------------------------------------------------------------------------------
103 //------------------------------------------------------------------------------
116 104 //options //options
117 //----------------------------------------------------------------------------------------------
105 //------------------------------------------------------------------------------
118 106 #define K_SOL_SOCKET 1//for setsockopt(2) #define K_SOL_SOCKET 1//for setsockopt(2)
119 107
120 108 #define K_SO_DEBUG 1 #define K_SO_DEBUG 1
 
... ... enum k_sock_type{
172 160 #define K_SO_DOMAIN 39 #define K_SO_DOMAIN 39
173 161
174 162 #define K_SO_RXQ_OVFL 40 #define K_SO_RXQ_OVFL 40
175 //----------------------------------------------------------------------------------------------
163 //------------------------------------------------------------------------------
176 164 #endif #endif
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