/* atmapi.h - ATM API user space/kernel compatibility */
 
/* Written 1999,2000 by Werner Almesberger, EPFL ICA */
 

#ifndef _LINUX_ATMAPI_H
#define _LINUX_ATMAPI_H

#if defined(__sparc__) || defined(__ia64__)
/* such alignment is not required on 32 bit sparcs, but we can't
   figure that we are on a sparc64 while compiling user-space programs. */
#define __ATM_API_ALIGN	__attribute__((aligned(8)))
#else
#define __ATM_API_ALIGN
#endif


/*
 * Opaque type for kernel pointers. Note that _ is never accessed. We need
 * the struct in order hide the array, so that we can make simple assignments
 * instead of being forced to use memcpy. It also improves error reporting for
 * code that still assumes that we're passing unsigned longs.
 *
 * Convention: NULL pointers are passed as a field of all zeroes.
 */
 
typedef struct { unsigned char _[8]; } __ATM_API_ALIGN atm_kptr_t;

#endif
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<tr class='logheader'><td><span title='2017-02-07 13:07:46 -0500'>2017-02-07</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/sctp/sctp.h?id=c86a773c78025f5b825bacd7b846f4fa60dc0317'>sctp: add dst_pending_confirm flag</a></td><td>Julian Anastasov</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+2</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Add new transport flag to allow sockets to confirm neighbour.
When same struct dst_entry can be used for many different
neighbours we can not use it for pending confirmations.
The flag is propagated from transport to every packet.
It is reset when cached dst is reset.

Reported-by: YueHaibing &lt;yuehaibing@huawei.com&gt;
Fixes: 5110effee8fd ("net: Do delayed neigh confirmation.")
Fixes: f2bb4bedf35d ("ipv4: Cache output routes in fib_info nexthops.")
Signed-off-by: Julian Anastasov &lt;ja@ssi.bg&gt;
Acked-by: Eric Dumazet &lt;edumazet@google.com&gt;
Acked-by: Neil Horman &lt;nhorman@tuxdriver.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


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