diff options
Diffstat (limited to 'sys/netinet/ip_fw.h')
| -rw-r--r-- | sys/netinet/ip_fw.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/netinet/ip_fw.h b/sys/netinet/ip_fw.h index 06e107c..ff3a67f 100644 --- a/sys/netinet/ip_fw.h +++ b/sys/netinet/ip_fw.h @@ -57,6 +57,12 @@ #define IP_FW_TABLEARG 65535 /* XXX should use 0 */ /* + * Number of entries in the call stack of the call/return commands. + * Call stack currently is an uint16_t array with rule numbers. + */ +#define IPFW_CALLSTACK_SIZE 16 + +/* * The kernel representation of ipfw rules is made of a list of * 'instructions' (for all practical purposes equivalent to BPF * instructions), which specify which fields of the packet @@ -195,6 +201,8 @@ enum ipfw_opcodes { /* arguments (4 byte each) */ O_SOCKARG, /* socket argument */ + O_CALLRETURN, /* arg1=called rule number */ + O_LAST_OPCODE /* not an opcode! */ }; |
