12 def _get_hds_mode(cfg, netnl) -> str:  argument
14         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
22 def _xdp_onoff(cfg):  argument
23     prog = cfg.net_lib_dir / "xdp_dummy.bpf.o"
25        (cfg.ifname, prog))
26     ip("link set dev %s xdp off" % cfg.ifname)
29 def _ioctl_ringparam_modify(cfg, netnl) -> None:  argument
35         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
43         ethtool(f"--disable-netlink -G {cfg.ifname} tx {rings['tx'] // 2}")
45         ethtool(f"--disable-netlink -G {cfg.ifname} tx {rings['tx'] * 2}")
46     defer(ethtool, f"-G {cfg.ifname} tx {rings['tx']}")
49 def get_hds(cfg, netnl) -> None:  argument
50     _get_hds_mode(cfg, netnl)
53 def get_hds_thresh(cfg, netnl) -> None:  argument
55         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
61 def set_hds_enable(cfg, netnl) -> None:  argument
63         netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'enabled'})
70         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
78 def set_hds_disable(cfg, netnl) -> None:  argument
80         netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'disabled'})
87         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
95 def set_hds_thresh_zero(cfg, netnl) -> None:  argument
97         netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': 0})
104         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
112 def set_hds_thresh_random(cfg, netnl) -> None:  argument
114         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
133         netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': hds_thresh})
139     rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
142 def set_hds_thresh_max(cfg, netnl) -> None:  argument
144         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
150 …     netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': rings['hds-thresh-max']})
156     rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
159 def set_hds_thresh_gt(cfg, netnl) -> None:  argument
161         rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
170         netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': hds_gt})
174 def set_xdp(cfg, netnl) -> None:  argument
179     mode = _get_hds_mode(cfg, netnl)
181         netnl.rings_set({'header': {'dev-index': cfg.ifindex},
184     _xdp_onoff(cfg)
187 def enabled_set_xdp(cfg, netnl) -> None:  argument
192     _get_hds_mode(cfg, netnl)
193     netnl.rings_set({'header': {'dev-index': cfg.ifindex},
196     defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex},
200         _xdp_onoff(cfg)
203 def set_xdp(cfg, netnl) -> None:  argument
208     mode = _get_hds_mode(cfg, netnl)
210         netnl.rings_set({'header': {'dev-index': cfg.ifindex},
213     _xdp_onoff(cfg)
216 def enabled_set_xdp(cfg, netnl) -> None:  argument
221     _get_hds_mode(cfg, netnl)  # Trigger skip if not supported
223     netnl.rings_set({'header': {'dev-index': cfg.ifindex},
225     defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex},
229         _xdp_onoff(cfg)
232 def ioctl(cfg, netnl) -> None:  argument
233     mode1 = _get_hds_mode(cfg, netnl)
234     _ioctl_ringparam_modify(cfg, netnl)
235     mode2 = _get_hds_mode(cfg, netnl)
240 def ioctl_set_xdp(cfg, netnl) -> None:  argument
244     mode = _get_hds_mode(cfg, netnl)
246         netnl.rings_set({'header': {'dev-index': cfg.ifindex},
249     _ioctl_ringparam_modify(cfg, netnl)
251     _xdp_onoff(cfg)
254 def ioctl_enabled_set_xdp(cfg, netnl) -> None:  argument
259     _get_hds_mode(cfg, netnl)  # Trigger skip if not supported
261     netnl.rings_set({'header': {'dev-index': cfg.ifindex},
263     defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex},
267         _xdp_onoff(cfg)
271     with NetDrvEnv(__file__, queue_count=3) as cfg:
285                  args=(cfg, EthtoolFamily()))