@@ -240,6 +240,22 @@ static inline unsigned int mii_duplex (unsigned int duplex_lock,
}
/**
+ * mii_advertise_flowctrl - get flow control advertisement flags
+ * @cap: Flow control capabilities (FLOW_CTRL_RX, FLOW_CTRL_TX or both)
+ */
+static inline u16 mii_advertise_flowctrl(int cap)
+{
+ u16 adv = 0;
+
+ if (cap & FLOW_CTRL_RX)
+ adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
+ if (cap & FLOW_CTRL_TX)
+ adv ^= ADVERTISE_PAUSE_ASYM;
+
+ return adv;
+}
+
+/**
* mii_resolve_flowctrl_fdx
* @lcladv: value of MII ADVERTISE register
* @rmtadv: value of MII LPA register
This converts flow control capabilites to an advertising mask and can be useful in combination with mii_resolve_flowctrl_fdx(). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> --- This is intended to be used to implement ETHTOOL_SPAUSEPARAM when autoneg is set, but I'm not sure how that command is supposed to interact with pause autonegotiation flags set through ETHTOOL_SSET. Ben. include/linux/mii.h | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-)