[PATCH RFC net-next 14/16] net: pcs: xpcs: implement pcs_inband_caps() method
Russell King (Oracle)
rmk+kernel at armlinux.org.uk
Tue Nov 26 01:25:27 PST 2024
Report the PCS inband capabilities to phylink for XPCS.
Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
---
drivers/net/pcs/pcs-xpcs.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index 7246a910728d..f70ca39f0905 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -567,6 +567,33 @@ static int xpcs_validate(struct phylink_pcs *pcs, unsigned long *supported,
return 0;
}
+static unsigned int xpcs_inband_caps(struct phylink_pcs *pcs,
+ phy_interface_t interface)
+{
+ struct dw_xpcs *xpcs = phylink_pcs_to_xpcs(pcs);
+ const struct dw_xpcs_compat *compat;
+
+ compat = xpcs_find_compat(xpcs, interface);
+ if (!compat)
+ return 0;
+
+ switch (compat->an_mode) {
+ case DW_AN_C73:
+ return LINK_INBAND_ENABLE;
+
+ case DW_AN_C37_SGMII:
+ case DW_AN_C37_1000BASEX:
+ return LINK_INBAND_DISABLE | LINK_INBAND_ENABLE;
+
+ case DW_10GBASER:
+ case DW_2500BASEX:
+ return LINK_INBAND_DISABLE;
+
+ default:
+ return 0;
+ }
+}
+
void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces)
{
const struct dw_xpcs_compat *compat;
@@ -1306,6 +1333,7 @@ static const struct dw_xpcs_desc xpcs_desc_list[] = {
static const struct phylink_pcs_ops xpcs_phylink_ops = {
.pcs_validate = xpcs_validate,
+ .pcs_inband_caps = xpcs_inband_caps,
.pcs_pre_config = xpcs_pre_config,
.pcs_config = xpcs_config,
.pcs_get_state = xpcs_get_state,
--
2.30.2
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