File:  [ELWIX - Embedded LightWeight unIX -] / fwsync / driver / fwsync.h
Revision 1.9: download - view: text, annotated - select for diffs - revision graph
Thu Aug 18 11:30:27 2022 UTC (21 months, 2 weeks ago) by misho
Branches: MAIN
CVS tags: HEAD
finish alias sync routine

    1: /*************************************************************************
    2: * (C) 2022 CloudSigma AG - Sofia/Bulgaria
    3: *  by Michael Pounov <misho@elwix.org>
    4: **************************************************************************/
    5: #ifndef __FWSYNC_H
    6: #define __FWSYNC_H
    7: 
    8: #include <sys/types.h>
    9: #include <sys/param.h>
   10: #include <sys/systm.h>
   11: #include <sys/errno.h>
   12: #include <sys/kernel.h>
   13: #include <sys/module.h>
   14: #include <sys/conf.h>
   15: #include <machine/atomic.h>
   16: #include <sys/malloc.h>
   17: #include <sys/sysctl.h>
   18: #include <sys/mbuf.h>
   19: #include <sys/socket.h>
   20: #include <sys/socketvar.h>
   21: #include <sys/un.h>
   22: #include <sys/module.h>
   23: #include <sys/kthread.h>
   24: #include <sys/priority.h>
   25: #include <sys/taskqueue.h>
   26: #include <sys/queue.h>
   27: #include <sys/tree.h>
   28: #include <sys/mutex.h>
   29: #include <sys/uio.h>
   30: #include <sys/poll.h>
   31: 
   32: #include <netinet/libalias/alias.h>
   33: #include <netinet/libalias/alias_local.h>
   34: #include <netinet/libalias/alias_db.h>
   35: 
   36: #include <net/if.h>
   37: #include <net/if_var.h>
   38: #include <net/if_dl.h>
   39: #include <netinet/in.h>
   40: #include <netinet/ip.h>
   41: #include <netinet/ip_var.h>
   42: #include <netinet/udp.h>
   43: #include <netinet/ip_fw.h>
   44: 
   45: #include <netpfil/ipfw/ip_fw_private.h>
   46: 
   47: #include "fwsync_proto.h"
   48: #include "fwsync_utils.h"
   49: #include "fwsync_workers.h"
   50: 
   51: 
   52: #define IFT_FWSYNC	0xfc
   53: 
   54: #define DRV_NAME	"fwsync"
   55: #define DRV_VERSION	1
   56: #define DRV_BUFSIZ	4096
   57: 
   58: #ifndef DRV_DEBUG
   59: #define DRV_DEBUG	0
   60: #endif
   61: 
   62: #ifndef STRSIZ
   63: #define STRSIZ		256
   64: #endif
   65: #ifndef BUFSIZ
   66: #define BUFSIZ		1024
   67: #endif
   68: 
   69: MALLOC_DECLARE(M_FWSYNC);
   70: 
   71: SYSCTL_DECL(_net_inet_ip);
   72: SYSCTL_DECL(_net_inet_ip_fwsync);
   73: 
   74: #define FWS_DEBUG(x, fmt, ...)	if ((x) <= fwsync_debug) printf((fmt), ## __VA_ARGS__)
   75: #define DTRACE()		FWS_DEBUG(9, "I'm in %s at line %d into file %s\n", \
   76: 						__func__, __LINE__, __FILE__)
   77: 
   78: struct cfg_sync {
   79: 	union {
   80: 		struct {
   81: 			u_int 	on:2;
   82: 			u_int 	edge:1;
   83: 			u_int 	collector:1;
   84: 			u_int 	reserved:20;
   85: 			u_int 	addrs:8;
   86: 		} cfg;
   87: 		u_int 	cfg_mode;
   88: 	};
   89: 	struct {
   90: 		union {
   91: 			struct sockaddr		addr;
   92: 			struct sockaddr_in	ip4;
   93: 			struct sockaddr_in6	ip6;
   94: 		};
   95: 	}		cfg_addr[3];
   96: };
   97: #define CFG_SYNC_ADDR_EDGE		0
   98: #define CFG_SYNC_ADDR_COLLECTOR_1	1
   99: #define CFG_SYNC_ADDR_COLLECTOR_2	2
  100: 
  101: typedef union {
  102: 	struct sockaddr_storage	ss;
  103: 	struct sockaddr		sa;
  104: 	struct sockaddr_un	sun;
  105: 	struct sockaddr_in	sin;
  106: 	struct sockaddr_in6	sin6;
  107: 	struct sockaddr_dl	sdl;
  108: } sockaddr_t;
  109: #define E_SOCKADDR_INIT	{ .ss = { 0 } }
  110: 
  111: struct fwsync_context {
  112: 	u_int config;
  113: 
  114: 	u_long edge_count;
  115: 
  116: 	struct socket *sockz[3];
  117: 	struct proc *procz[3];
  118: };
  119: #define CTX_CFG_EDGE		0x1
  120: #define CTX_CFG_COLLECTOR_1	0x2
  121: #define CTX_CFG_COLLECTOR_2	0x4
  122: #define CTX_EDGE_READY		0x8
  123: #define CTX_COLLECTOR_1_READY	0x10
  124: #define CTX_COLLECTOR_2_READY	0x20
  125: #define CTX_EDGE_ONLINE		0x40
  126: #define CTX_COLLECTOR_1_ONLINE	0x80
  127: #define CTX_COLLECTOR_2_ONLINE	0x100
  128: 
  129: #if 0
  130: #define DRETFLUSH	_IOW('D', 1, u_char)
  131: #define DRETADDFILT	_IOW('D', 2, struct dret_filter)
  132: #define DRETDELFILT	_IOW('D', 3, struct dret_filter)
  133: #define DRETACCTFLUSH	_IOW('D', 4, u_char)
  134: #define DRETACCTDEL	_IOW('D', 5, struct tagAccount)
  135: #define DRETACCTGET	_IOWR('D', 6, struct tagAccount)
  136: 
  137: #define DRETDIROFF	0
  138: #define DRETDIRIN	1
  139: #define DRETDIROUT	2
  140: #define DRETDIRANY	3
  141: #define DRETACCT	4
  142: 
  143: struct dret_filter {
  144: 	u_char		filt_dir;
  145: 	u_int		filt_proto[8];
  146: 	char		filt_iface[IFNAMSIZ];
  147: 	netaddr_t	filt_net;
  148: };
  149: #define FP_MASK(n)	((u_int) 1 << ((n) % 32))
  150: #define FP_ISSET(n, a)	((a)[(n) / 32] & FP_MASK(n))
  151: #define FP_CLR(n, a)	((a)[(n) / 32] &= ~FP_MASK(n))
  152: #define FP_SET(n, a)	((a)[(n) / 32] |= FP_MASK(n))
  153: #define FP_ZERO(a)	do { int _i = 8; \
  154: 				while (_i > 0) \
  155: 					(a)[--_i] = 0; \
  156: 			} while (0)
  157: #endif
  158: 
  159: struct fws_sndpkt {
  160: 	struct fws_proto	sp_proto;
  161: 	TAILQ_ENTRY(fws_sndpkt)	sp_next;
  162: };
  163: 
  164: typedef TAILQ_HEAD(, fws_sndpkt) fwsync_sndpkt_t;
  165: 
  166: extern int fwsync_debug;
  167: extern struct fwsync_context fws_ctx;
  168: extern struct cfg_sync fws_cfg;
  169: extern struct task fws_sndpkt_task;
  170: extern struct taskqueue *fws_tq;
  171: extern struct callout fws_co;
  172: extern struct mtx fws_mtx_c, fws_mtx_e, fws_mtx_u, fws_mtx_n;
  173: extern struct mbuf *fws_sndpkt;
  174: extern fwsync_sndpkt_t fwsync_sndpkt, fwsync_updpkt, fwsync_natpkt; 
  175: 
  176: int fwsync_cfg(struct ip_fw_chain *ch, ip_fw3_opheader *op3, struct sockopt_data *sd);
  177: int fwsync_destroy(struct ip_fw_chain *ch, ip_fw3_opheader *op3, struct sockopt_data *sd);
  178: int fwsync_get_cfg(struct ip_fw_chain *ch, ip_fw3_opheader *op3, struct sockopt_data *sd);
  179: int fwsync_list(struct ip_fw_chain *ch, ip_fw3_opheader *op3, struct sockopt_data *sd);
  180: int fwsync_start(struct ip_fw_chain *ch, ip_fw3_opheader *op3, struct sockopt_data *sd);
  181: int fwsync_stop(struct ip_fw_chain *ch, ip_fw3_opheader *op3, struct sockopt_data *sd);
  182: 
  183: 
  184: #endif

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