diff mbox series

[RFC,net-next,14/16] net: pcs: xpcs: implement pcs_inband_caps() method

Message ID E1tFrp1-005xQw-2y@rmk-PC.armlinux.org.uk (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series net: add negotiation of in-band capabilities | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 12 of 12 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 40 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Russell King (Oracle) Nov. 26, 2024, 9:25 a.m. UTC
Report the PCS inband capabilities to phylink for XPCS.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
 drivers/net/pcs/pcs-xpcs.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
diff mbox series

Patch

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,