Update <netpacket/packet.h> for Linux 4.3

[Paul E. Murphy]

On 11/17/2015 11:45 AM, Joseph Myers wrote:
> In the course of reviewing Linux 4.3 changes for any glibc header
> updates needed, I found that
> sysdeps/unix/sysv/linux/netpacket/packet.h was extremely out of date
> (last updated for Linux 2.3.15, it seems).  This patch updates the
> sets of constants present in that header to include those added to
> those sets in newer kernels (include/uapi/linux/if_packet.h).
> 
> Tested for x86_64 (testsuite, and that installed shared libraries are
> unchanged by the patch).
> 
> 2015-11-17  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* sysdeps/unix/sysv/linux/netpacket/packet.h (PACKET_COPY_THRESH):
> 	New macro.
> 	(PACKET_AUXDATA): Likewise.
> 	(PACKET_ORIGDEV): Likewise.
> 	(PACKET_VERSION): Likewise.
> 	(PACKET_HDRLEN): Likewise.
> 	(PACKET_RESERVE): Likewise.
> 	(PACKET_TX_RING): Likewise.
> 	(PACKET_LOSS): Likewise.
> 	(PACKET_VNET_HDR): Likewise.
> 	(PACKET_TX_TIMESTAMP): Likewise.
> 	(PACKET_TIMESTAMP): Likewise.
> 	(PACKET_FANOUT): Likewise.
> 	(PACKET_TX_HAS_OFF): Likewise.
> 	(PACKET_QDISC_BYPASS): Likewise.
> 	(PACKET_ROLLOVER_STATS): Likewise.
> 	(PACKET_FANOUT_DATA): Likewise.
> 	(PACKET_MR_UNICAST): Likewise.

I think you caught all the out of sync bits. It looks correct to me.