Spdk/scripts/rpc/sock.py
Evgeniy Kochetov 29f31a90e1 sock: Add sock_impl option to disable zero copy on send
Zero copy send can cause performance degradation with small
payloads. This patch adds an option to disable it if required. By
default zero copy is enabled.

Signed-off-by: Evgeniy Kochetov <evgeniik@mellanox.com>
Change-Id: I14f2b21ad375e770cb08f850360898bac675b351
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3344
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2020-07-24 00:30:45 +00:00

42 lines
1.4 KiB
Python

def sock_impl_get_options(client, impl_name=None):
"""Get parameters for the socket layer implementation.
Args:
impl_name: name of socket implementation, e.g. posix
"""
params = {}
params['impl_name'] = impl_name
return client.call('sock_impl_get_options', params)
def sock_impl_set_options(client,
impl_name=None,
recv_buf_size=None,
send_buf_size=None,
enable_recv_pipe=None,
enable_zerocopy_send=None):
"""Set parameters for the socket layer implementation.
Args:
impl_name: name of socket implementation, e.g. posix
recv_buf_size: size of socket receive buffer in bytes (optional)
send_buf_size: size of socket send buffer in bytes (optional)
enable_recv_pipe: enable or disable receive pipe (optional)
enable_zerocopy_send: enable or disable zerocopy on send (optional)
"""
params = {}
params['impl_name'] = impl_name
if recv_buf_size is not None:
params['recv_buf_size'] = recv_buf_size
if send_buf_size is not None:
params['send_buf_size'] = send_buf_size
if enable_recv_pipe is not None:
params['enable_recv_pipe'] = enable_recv_pipe
if enable_zerocopy_send is not None:
params['enable_zerocopy_send'] = enable_zerocopy_send
return client.call('sock_impl_set_options', params)