Differential D26053 Diff 75833 head/sys/netinet/in_rmx.c

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head/sys/netinet/in_rmx.c

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#include <net/vnet.h>		#include <net/vnet.h>

#include <netinet/in.h>		#include <netinet/in.h>
#include <netinet/in_var.h>		#include <netinet/in_var.h>
#include <netinet/ip.h>		#include <netinet/ip.h>
#include <netinet/ip_icmp.h>		#include <netinet/ip_icmp.h>
#include <netinet/ip_var.h>		#include <netinet/ip_var.h>

extern int in_inithead(void **head, int off, u_int fibnum);
#ifdef VIMAGE
extern int in_detachhead(void **head, int off);
#endif

static int		static int
rib4_preadd(u_int fibnum, const struct sockaddr addr, const struct sockaddr mask,		rib4_preadd(u_int fibnum, const struct sockaddr addr, const struct sockaddr mask,
struct nhop_object *nh)		struct nhop_object *nh)
{		{
const struct sockaddr_in addr4 = (const struct sockaddr_in )addr;		const struct sockaddr_in addr4 = (const struct sockaddr_in )addr;
uint16_t nh_type;		uint16_t nh_type;
int rt_flags;		int rt_flags;
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nh_type = NH_TYPE_IPV4_ETHER_RSLV;		nh_type = NH_TYPE_IPV4_ETHER_RSLV;

nhop_set_type(nh, nh_type);		nhop_set_type(nh, nh_type);
}		}

return (0);		return (0);
}		}

static int _in_rt_was_here;
/*		/*
* Initialize our routing tree.		* Initialize our routing tree.
*/		*/
int		struct rib_head *
in_inithead(void **head, int off, u_int fibnum)		in_inithead(uint32_t fibnum)
{		{
struct rib_head *rh;		struct rib_head *rh;

rh = rt_table_init(32, AF_INET, fibnum);		rh = rt_table_init(32, AF_INET, fibnum);
if (rh == NULL)		if (rh == NULL)
return (0);		return (NULL);

rh->rnh_preadd = rib4_preadd;		rh->rnh_preadd = rib4_preadd;
#ifdef RADIX_MPATH		#ifdef RADIX_MPATH
rt_mpath_init_rnh(rh);		rt_mpath_init_rnh(rh);
#endif		#endif
head = (void )rh;

if (_in_rt_was_here == 0 ) {		return (rh);
_in_rt_was_here = 1;
}		}
return 1;
}

#ifdef VIMAGE		#ifdef VIMAGE
int		void
in_detachhead(void **head, int off)		in_detachhead(struct rib_head *rh)
{		{

rt_table_destroy((struct rib_head )(head));		rt_table_destroy(rh);
return (1);
}		}
#endif		#endif

/*		/*
* This zaps old routes when the interface goes down or interface		* This zaps old routes when the interface goes down or interface
* address is deleted. In the latter case, it deletes static routes		* address is deleted. In the latter case, it deletes static routes
* that point to this address. If we don't do this, we may end up		* that point to this address. If we don't do this, we may end up
* using the old address in the future. The ones we always want to		* using the old address in the future. The ones we always want to
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