ipfw: add numeric initializers to enum ipfw_opcodes

This is mostly for better readability when we need to resolve
what opcode corresponds to specific number.

Obtained from:	Yandex LLC
Sponsored by:	Yandex LLC
Differential Revision: https://reviews.freebsd.org/D51457
This commit is contained in:
Andrey V. Elsukov 2025-07-22 10:40:33 +03:00
parent 91eb4d2ba4
commit 12e61c31db

View file

@ -167,149 +167,149 @@ typedef struct _ip_fw3_opheader {
*/
enum ipfw_opcodes { /* arguments (4 byte each) */
O_NOP,
O_NOP = 0,
O_IP_SRC, /* u32 = IP */
O_IP_SRC_MASK, /* ip = IP/mask */
O_IP_SRC_ME, /* none */
O_IP_SRC_SET, /* u32=base, arg1=len, bitmap */
O_IP_SRC = 1, /* u32 = IP */
O_IP_SRC_MASK = 2, /* ip = IP/mask */
O_IP_SRC_ME = 3, /* none */
O_IP_SRC_SET = 4, /* u32=base, arg1=len, bitmap */
O_IP_DST, /* u32 = IP */
O_IP_DST_MASK, /* ip = IP/mask */
O_IP_DST_ME, /* none */
O_IP_DST_SET, /* u32=base, arg1=len, bitmap */
O_IP_DST = 5, /* u32 = IP */
O_IP_DST_MASK = 6, /* ip = IP/mask */
O_IP_DST_ME = 7, /* none */
O_IP_DST_SET = 8, /* u32=base, arg1=len, bitmap */
O_IP_SRCPORT, /* (n)port list:mask 4 byte ea */
O_IP_DSTPORT, /* (n)port list:mask 4 byte ea */
O_PROTO, /* arg1=protocol */
O_IP_SRCPORT = 9, /* (n)port list:mask 4 byte ea */
O_IP_DSTPORT = 10, /* (n)port list:mask 4 byte ea */
O_PROTO = 11, /* arg1=protocol */
O_MACADDR2, /* 2 mac addr:mask */
O_MAC_TYPE, /* same as srcport */
O_MACADDR2 = 12, /* 2 mac addr:mask */
O_MAC_TYPE = 13, /* same as srcport */
O_LAYER2, /* none */
O_IN, /* none */
O_FRAG, /* none */
O_LAYER2 = 14, /* none */
O_IN = 15, /* none */
O_FRAG = 16, /* none */
O_RECV, /* none */
O_XMIT, /* none */
O_VIA, /* none */
O_RECV = 17, /* none */
O_XMIT = 18, /* none */
O_VIA = 19, /* none */
O_IPOPT, /* arg1 = 2*u8 bitmap */
O_IPLEN, /* arg1 = len */
O_IPID, /* arg1 = id */
O_IPOPT = 20, /* arg1 = 2*u8 bitmap */
O_IPLEN = 21, /* arg1 = len */
O_IPID = 22, /* arg1 = id */
O_IPTOS, /* arg1 = id */
O_IPPRECEDENCE, /* arg1 = precedence << 5 */
O_IPTTL, /* arg1 = TTL */
O_IPTOS = 23, /* arg1 = id */
O_IPPRECEDENCE = 24, /* arg1 = precedence << 5 */
O_IPTTL = 25, /* arg1 = TTL */
O_IPVER, /* arg1 = version */
O_UID, /* u32 = id */
O_GID, /* u32 = id */
O_ESTAB, /* none (tcp established) */
O_TCPFLAGS, /* arg1 = 2*u8 bitmap */
O_TCPWIN, /* arg1 = desired win */
O_TCPSEQ, /* u32 = desired seq. */
O_TCPACK, /* u32 = desired seq. */
O_ICMPTYPE, /* u32 = icmp bitmap */
O_TCPOPTS, /* arg1 = 2*u8 bitmap */
O_IPVER = 26, /* arg1 = version */
O_UID = 27, /* u32 = id */
O_GID = 28, /* u32 = id */
O_ESTAB = 29, /* none (tcp established) */
O_TCPFLAGS = 30, /* arg1 = 2*u8 bitmap */
O_TCPWIN = 31, /* arg1 = desired win */
O_TCPSEQ = 32, /* u32 = desired seq. */
O_TCPACK = 33, /* u32 = desired seq. */
O_ICMPTYPE = 34, /* u32 = icmp bitmap */
O_TCPOPTS = 35, /* arg1 = 2*u8 bitmap */
O_VERREVPATH, /* none */
O_VERSRCREACH, /* none */
O_VERREVPATH = 36, /* none */
O_VERSRCREACH = 37, /* none */
O_PROBE_STATE, /* v0:arg1=kidx, v1:kidx=kidx */
O_KEEP_STATE, /* v0:arg1=kidx, v1:kidx=kidx */
O_LIMIT, /* ipfw_insn_limit */
O_LIMIT_PARENT, /* dyn_type, not an opcode. */
O_PROBE_STATE = 38, /* v0:arg1=kidx, v1:kidx=kidx */
O_KEEP_STATE = 39, /* v0:arg1=kidx, v1:kidx=kidx */
O_LIMIT = 40, /* ipfw_insn_limit */
O_LIMIT_PARENT = 41, /* dyn_type, not an opcode. */
/*
* These are really 'actions'.
*/
O_LOG, /* ipfw_insn_log */
O_PROB, /* u32 = match probability */
O_LOG = 42, /* ipfw_insn_log */
O_PROB = 43, /* u32 = match probability */
O_CHECK_STATE, /* v0:arg1=kidx, v1:kidx=kidx */
O_ACCEPT, /* none */
O_DENY, /* none */
O_REJECT, /* arg1=icmp arg (same as deny) */
O_COUNT, /* none */
O_SKIPTO, /* v0:arg1=next rule number */
O_CHECK_STATE = 44, /* v0:arg1=kidx, v1:kidx=kidx */
O_ACCEPT = 45, /* none */
O_DENY = 46, /* none */
O_REJECT = 47, /* arg1=icmp arg (same as deny) */
O_COUNT = 48, /* none */
O_SKIPTO = 49, /* v0:arg1=next rule number */
/* v1:kidx= next rule number */
O_PIPE, /* arg1=pipe number */
O_QUEUE, /* arg1=queue number */
O_DIVERT, /* arg1=port number */
O_TEE, /* arg1=port number */
O_FORWARD_IP, /* fwd sockaddr */
O_FORWARD_MAC, /* fwd mac */
O_NAT, /* nope */
O_REASS, /* none */
O_PIPE = 50, /* arg1=pipe number */
O_QUEUE = 51, /* arg1=queue number */
O_DIVERT = 52, /* arg1=port number */
O_TEE = 53, /* arg1=port number */
O_FORWARD_IP = 54, /* fwd sockaddr */
O_FORWARD_MAC = 55, /* fwd mac */
O_NAT = 56, /* nope */
O_REASS = 57, /* none */
/*
* More opcodes.
*/
O_IPSEC, /* has ipsec history */
O_IP_SRC_LOOKUP, /* v0:arg1=table number, u32=value */
O_IPSEC = 58, /* has ipsec history */
O_IP_SRC_LOOKUP = 59, /* v0:arg1=table number, u32=value */
/* v1:kidx=name, u32=value, arg1=key */
O_IP_DST_LOOKUP, /* arg1=table number, u32=value */
O_IP_DST_LOOKUP = 60, /* arg1=table number, u32=value */
/* v1:kidx=name, u32=value, arg1=key */
O_ANTISPOOF, /* none */
O_JAIL, /* u32 = id */
O_ALTQ, /* u32 = altq classif. qid */
O_DIVERTED, /* arg1=bitmap (1:loop, 2:out) */
O_TCPDATALEN, /* arg1 = tcp data len */
O_IP6_SRC, /* address without mask */
O_IP6_SRC_ME, /* my addresses */
O_IP6_SRC_MASK, /* address with the mask */
O_IP6_DST,
O_IP6_DST_ME,
O_IP6_DST_MASK,
O_FLOW6ID, /* for flow id tag in the ipv6 pkt */
O_ICMP6TYPE, /* icmp6 packet type filtering */
O_EXT_HDR, /* filtering for ipv6 extension header */
O_IP6,
O_ANTISPOOF = 61, /* none */
O_JAIL = 62, /* u32 = id */
O_ALTQ = 63, /* u32 = altq classif. qid */
O_DIVERTED = 64, /* arg1=bitmap (1:loop, 2:out) */
O_TCPDATALEN = 65, /* arg1 = tcp data len */
O_IP6_SRC = 66, /* address without mask */
O_IP6_SRC_ME = 67, /* my addresses */
O_IP6_SRC_MASK = 68, /* address with the mask */
O_IP6_DST = 69,
O_IP6_DST_ME = 70,
O_IP6_DST_MASK = 71,
O_FLOW6ID = 72, /* for flow id tag in the ipv6 pkt */
O_ICMP6TYPE = 73, /* icmp6 packet type filtering */
O_EXT_HDR = 74, /* filtering for ipv6 extension header */
O_IP6 = 75,
/*
* actions for ng_ipfw
*/
O_NETGRAPH, /* send to ng_ipfw */
O_NGTEE, /* copy to ng_ipfw */
O_NETGRAPH = 76, /* send to ng_ipfw */
O_NGTEE = 77, /* copy to ng_ipfw */
O_IP4,
O_IP4 = 78,
O_UNREACH6, /* arg1=icmpv6 code arg (deny) */
O_UNREACH6 = 79, /* arg1=icmpv6 code arg (deny) */
O_TAG, /* arg1=tag number */
O_TAGGED, /* arg1=tag number */
O_TAG = 80, /* arg1=tag number */
O_TAGGED = 81, /* arg1=tag number */
O_SETFIB, /* arg1=FIB number */
O_FIB, /* arg1=FIB desired fib number */
O_SETFIB = 82, /* arg1=FIB number */
O_FIB = 83, /* arg1=FIB desired fib number */
O_SOCKARG, /* socket argument */
O_SOCKARG = 84, /* socket argument */
O_CALLRETURN, /* v0:arg1=called rule number */
O_CALLRETURN = 85, /* v0:arg1=called rule number */
/* v1:kidx=called rule number */
O_FORWARD_IP6, /* fwd sockaddr_in6 */
O_FORWARD_IP6 = 86, /* fwd sockaddr_in6 */
O_DSCP, /* 2 u32 = DSCP mask */
O_SETDSCP, /* arg1=DSCP value */
O_IP_FLOW_LOOKUP, /* v0:arg1=table number, u32=value */
O_DSCP = 87, /* 2 u32 = DSCP mask */
O_SETDSCP = 88, /* arg1=DSCP value */
O_IP_FLOW_LOOKUP = 89, /* v0:arg1=table number, u32=value */
/* v1:kidx=name, u32=value */
O_EXTERNAL_ACTION, /* v0:arg1=id of external action handler */
O_EXTERNAL_ACTION = 90, /* v0:arg1=id of external action handler */
/* v1:kidx=id of external action handler */
O_EXTERNAL_INSTANCE, /* v0:arg1=id of eaction handler instance */
O_EXTERNAL_INSTANCE = 91, /* v0:arg1=id of eaction handler instance */
/* v1:kidx=id of eaction handler instance */
O_EXTERNAL_DATA, /* variable length data */
O_EXTERNAL_DATA = 92, /* variable length data */
O_SKIP_ACTION, /* none */
O_TCPMSS, /* arg1=MSS value */
O_SKIP_ACTION = 93, /* none */
O_TCPMSS = 94, /* arg1=MSS value */
O_MAC_SRC_LOOKUP, /* kidx=name, u32=value, arg1=key */
O_MAC_DST_LOOKUP, /* kidx=name, u32=value, arg1=key */
O_MAC_SRC_LOOKUP = 95, /* kidx=name, u32=value, arg1=key */
O_MAC_DST_LOOKUP = 96, /* kidx=name, u32=value, arg1=key */
O_SETMARK, /* u32 = value */
O_MARK, /* 2 u32 = value, bitmask */
O_SETMARK = 97, /* u32 = value */
O_MARK = 98, /* 2 u32 = value, bitmask */
O_LAST_OPCODE /* not an opcode! */
};