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Phonet: Pipe End Point for Phonet Pipes protocol

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This protocol provides some connection handling and negotiated
congestion control. Nokia cellular modems use it for bulk transfers.
It provides packet boundaries (hence SOCK_SEQPACKET). Congestion
control is per packet rather per byte, so we do not re-use the
generic socket memory accounting.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont 2008-10-05 11:15:13 -07:00 • committed by David S. Miller
parent 9995a32b4d
commit 9641458d3e
5 changed files with 1031 additions and 2 deletions
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4
include/linux/phonet.h
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@ -27,7 +27,9 @@
#define PN_PROTO_TRANSPORT 0
/* Phonet datagram socket */
#define PN_PROTO_PHONET 1
#define PHONET_NPROTO 2
/* Phonet pipe */
#define PN_PROTO_PIPE 2
#define PHONET_NPROTO 3
#define PNADDR_ANY 0
#define PNPORT_RESOURCE_ROUTING 0