diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2009-04-29 08:15:05 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-29 17:32:35 -0700 |
| commit | 44c22ee91b56d7cad3b48c439dd96aad2e910fbc (patch) | |
| tree | 557bcb46fb7b7445402c0eed12c3d33729cae7bf /include/linux/mii.h | |
| parent | 4023939667a906f0c02022ce7ec06d6512470211 (diff) | |
| download | lwn-44c22ee91b56d7cad3b48c439dd96aad2e910fbc.tar.gz lwn-44c22ee91b56d7cad3b48c439dd96aad2e910fbc.zip | |
mii: Simplify mii_resolve_flowctrl_fdx()
This is a shorter and more comprehensible formulation of the
conditions for each flow control mode.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/mii.h')
| -rw-r--r-- | include/linux/mii.h | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/include/linux/mii.h b/include/linux/mii.h index ad748588faf1..14ecb2e114f1 100644 --- a/include/linux/mii.h +++ b/include/linux/mii.h @@ -250,18 +250,12 @@ static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv) { u8 cap = 0; - if (lcladv & ADVERTISE_PAUSE_CAP) { - if (lcladv & ADVERTISE_PAUSE_ASYM) { - if (rmtadv & LPA_PAUSE_CAP) - cap = FLOW_CTRL_TX | FLOW_CTRL_RX; - else if (rmtadv & LPA_PAUSE_ASYM) - cap = FLOW_CTRL_RX; - } else { - if (rmtadv & LPA_PAUSE_CAP) - cap = FLOW_CTRL_TX | FLOW_CTRL_RX; - } - } else if (lcladv & ADVERTISE_PAUSE_ASYM) { - if ((rmtadv & LPA_PAUSE_CAP) && (rmtadv & LPA_PAUSE_ASYM)) + if (lcladv & rmtadv & ADVERTISE_PAUSE_CAP) { + cap = FLOW_CTRL_TX | FLOW_CTRL_RX; + } else if (lcladv & rmtadv & ADVERTISE_PAUSE_ASYM) { + if (lcladv & ADVERTISE_PAUSE_CAP) + cap = FLOW_CTRL_RX; + else if (rmtadv & ADVERTISE_PAUSE_CAP) cap = FLOW_CTRL_TX; } |