Currently, when a socket receives something on the error queue it only wakes up the socket on select if it is in the "read" list, that is the socket has something to read. It is useful also to wake the socket if it is in the error list, which would enable software to wait on error queue packets without waking up for regular data on the socket. The main use case is for receiving timestamped transmit packets which return the timestamp to the socket via the error queue. This enables an application to select on the socket for the error queue only instead of for the regular traffic. -v2- * Added the SO_SELECT_ERR_QUEUE socket option to every architechture specific file * Modified every socket poll function that checks error queue Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Jeffrey Kirsher <jeffrey.t.kirsher@intel.com> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Matthew Vick <matthew.vick@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			77 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef __ASM_AVR32_SOCKET_H
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#define __ASM_AVR32_SOCKET_H
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#include <asm/sockios.h>
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/* For setsockopt(2) */
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#define SOL_SOCKET	1
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#define SO_DEBUG	1
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#define SO_REUSEADDR	2
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#define SO_TYPE		3
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#define SO_ERROR	4
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#define SO_DONTROUTE	5
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#define SO_BROADCAST	6
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#define SO_SNDBUF	7
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#define SO_RCVBUF	8
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#define SO_SNDBUFFORCE	32
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#define SO_RCVBUFFORCE	33
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#define SO_KEEPALIVE	9
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#define SO_OOBINLINE	10
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#define SO_NO_CHECK	11
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#define SO_PRIORITY	12
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#define SO_LINGER	13
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#define SO_BSDCOMPAT	14
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#define SO_REUSEPORT	15
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#define SO_PASSCRED	16
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#define SO_PEERCRED	17
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#define SO_RCVLOWAT	18
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#define SO_SNDLOWAT	19
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#define SO_RCVTIMEO	20
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#define SO_SNDTIMEO	21
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/* Security levels - as per NRL IPv6 - don't actually do anything */
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#define SO_SECURITY_AUTHENTICATION		22
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#define SO_SECURITY_ENCRYPTION_TRANSPORT	23
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#define SO_SECURITY_ENCRYPTION_NETWORK		24
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#define SO_BINDTODEVICE	25
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/* Socket filtering */
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#define SO_ATTACH_FILTER        26
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#define SO_DETACH_FILTER        27
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#define SO_GET_FILTER		SO_ATTACH_FILTER
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#define SO_PEERNAME		28
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#define SO_TIMESTAMP		29
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#define SCM_TIMESTAMP		SO_TIMESTAMP
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#define SO_ACCEPTCONN		30
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#define SO_PEERSEC		31
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#define SO_PASSSEC		34
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#define SO_TIMESTAMPNS		35
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#define SCM_TIMESTAMPNS		SO_TIMESTAMPNS
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#define SO_MARK			36
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#define SO_TIMESTAMPING		37
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#define SCM_TIMESTAMPING	SO_TIMESTAMPING
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#define SO_PROTOCOL		38
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#define SO_DOMAIN		39
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#define SO_RXQ_OVFL             40
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#define SO_WIFI_STATUS		41
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#define SCM_WIFI_STATUS		SO_WIFI_STATUS
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#define SO_PEEK_OFF		42
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/* Instruct lower device to use last 4-bytes of skb data as FCS */
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#define SO_NOFCS		43
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#define SO_LOCK_FILTER		44
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#define SO_SELECT_ERR_QUEUE	45
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#endif /* __ASM_AVR32_SOCKET_H */
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