94 static MALLOC_DEFINE(M_CARP, "CARP", "CARP addresses");
99 	carp_version_t		sc_version;	/* carp or VRRPv3 */
182  * Brief design of carp(4).
184  * Any carp-capable ifnet may have a list of carp softcs hanging off
189  * Any interface address that takes part in CARP negotiation has a
195  * involved in CARP, we keep a growable array of ifaddr pointers. This
213 /* Accept incoming CARP packets. */
217 /* Set DSCP in outgoing CARP packets. */
245 SYSCTL_NODE(_net_inet, IPPROTO_CARP, carp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
246     "CARP");
250     "Accept incoming CARP packets");
254     "DSCP value for carp packets");
258     &VNET_NAME(carp_log), 0, "CARP log level");
281     carpstats, "CARP statistics (struct carpstats, netinet/ip_carp.h)");
305 		log(LOG_INFO, "carp: " __VA_ARGS__);	\
497 	 * Note that VRRPv3 checksums are different from CARP checksums.  in vrrp_checksum_verify()
498 	 * Carp just calculates the checksum over the packet.  in vrrp_checksum_verify()
594 		/* verify the CARP checksum */  in carp_input()
639 	/* check if received on a valid carp interface */  in carp6_input()
642 		CARP_DEBUG("%s: packet received on non-carp interface: %s\n",  in carp6_input()
700 		/* verify the CARP checksum */  in carp6_input()
736  * do here is catch any packet that arrives with a carp header
843 	/* verify the CARP version. */  in carp_input_c()
966 	/* verify the CARP version. */  in vrrp_input_c()
1174  * Pick the best ifaddr on the given ifp for sending CARP
1672  * Returns ifa in case it's a carp address and it is MASTER, or if the address
1673  * matches and is not a carp address.  Returns NULL otherwise.
1805 		panic("carp: VHID %u@%s: master_down event in %s state\n",  in carp_master_down_locked()
1955 		/* Join IPv6 CARP multicast group. */  in carp_multicast_setup()
2089 		printf("%s: carp is not supported for the %d interface type\n",  in carp_output()
2623 		devctl_notify("CARP", subsys, carp_states[state], NULL);  in carp_set_state()
3047 	/* Load allow as tunable so to postpone carp start after module load */  in ipcarp_sysinit()
3048 	TUNABLE_INT_FETCH("net.inet.carp.allow", &V_carp_allow);  in ipcarp_sysinit()
3073 		printf("carp: error %d registering with INET6\n", err);  in carp_mod_load()
3082 		printf("carp: error %d registering with INET\n", err);  in carp_mod_load()
3118 	"carp",
3123 DECLARE_MODULE(carp, carp_mod, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY);