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af_iucv: add sockopt() to enable/disable use of IPRM_DATA msgs

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Provide the socket operations getsocktopt() and setsockopt() to enable/disable
sending of data in the parameter list of IUCV messages.
The patch sets respective flag only.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hendrik Brueckner
2009-04-21 23:26:22 +00:00
committed by David S. Miller
parent af88b52def
commit 9d5c5d8f41
3 changed files with 81 additions and 3 deletions
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4
include/net/iucv/af_iucv.h
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@@ -73,8 +73,12 @@ struct iucv_sock {
struct sk_buff_head backlog_skb_q;
struct sock_msg_q message_q;
unsigned int send_tag;
u8 flags;
};
/* iucv socket options (SOL_IUCV) */
#define SO_IPRMDATA_MSG 0x0080 /* send/recv IPRM_DATA msgs */
struct iucv_sock_list {
struct hlist_head head;
rwlock_t lock;