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>
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@ -250,18 +250,12 @@ static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv)
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{
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u8 cap = 0;
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if (lcladv & ADVERTISE_PAUSE_CAP) {
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if (lcladv & ADVERTISE_PAUSE_ASYM) {
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if (rmtadv & LPA_PAUSE_CAP)
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cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
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else if (rmtadv & LPA_PAUSE_ASYM)
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cap = FLOW_CTRL_RX;
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} else {
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if (rmtadv & LPA_PAUSE_CAP)
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cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
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}
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} else if (lcladv & ADVERTISE_PAUSE_ASYM) {
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if ((rmtadv & LPA_PAUSE_CAP) && (rmtadv & LPA_PAUSE_ASYM))
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if (lcladv & rmtadv & ADVERTISE_PAUSE_CAP) {
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cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
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} else if (lcladv & rmtadv & ADVERTISE_PAUSE_ASYM) {
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if (lcladv & ADVERTISE_PAUSE_CAP)
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cap = FLOW_CTRL_RX;
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else if (rmtadv & ADVERTISE_PAUSE_CAP)
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cap = FLOW_CTRL_TX;
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}
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