tipc: introduce new socket option TIPC_SOCK_RECVQ_USED

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When using TIPC_SOCK_RECVQ_DEPTH for getsockopt(), it returns the
number of buffers in receive socket buffer which is not so helpful
for user space applications.

This commit introduces the new option TIPC_SOCK_RECVQ_USED which
returns the current allocated bytes of the receive socket buffer.
This helps user space applications dimension its buffer usage to
avoid buffer overload issue.

Signed-off-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Tung Nguyen 2019-04-18 21:02:19 +07:00 • committed by David S. Miller

parent a26deec69f

commit 42e5425aa0

2 changed files with 4 additions and 0 deletions

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include/uapi/linux/tipc.h

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