diff mbox series

[RFC,net-next,06/10] net: phylink: split out per-interface validation

Message ID E1r5pCa-00DAHP-Kc@rmk-PC.armlinux.org.uk (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: phylink: improve PHY validation | expand

Checks

Context Check Description
netdev/series_format warning Target tree name not specified in the subject
netdev/codegen success Generated files up to date
netdev/tree_selection success Guessed tree name to be net-next
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: 1127 this patch: 1127
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 1154 this patch: 1154
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: 1154 this patch: 1154
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 56 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. 22, 2023, 3:31 p.m. UTC 
Split out the internals of phylink_validate_mask() to make the code
easier to read.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
 drivers/net/phy/phylink.c | 42 ++++++++++++++++++++++++++++-----------
 1 file changed, 30 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index c276f9482f78..11dd743141d5 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -689,26 +689,44 @@  static int phylink_validate_mac_and_pcs(struct phylink *pl,
 	return phylink_is_empty_linkmode(supported) ? -EINVAL : 0;
 }
 
+static void phylink_validate_one(struct phylink *pl,
+				 const unsigned long *supported,
+				 const struct phylink_link_state *state,
+				 phy_interface_t interface,
+				 unsigned long *accum_supported,
+				 unsigned long *accum_advertising)
+{
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(tmp_supported);
+	struct phylink_link_state tmp_state;
+
+	linkmode_copy(tmp_supported, supported);
+
+	tmp_state = *state;
+	tmp_state.interface = interface;
+
+	if (!phylink_validate_mac_and_pcs(pl, tmp_supported, &tmp_state)) {
+		phylink_dbg(pl, " interface %u (%s) rate match %s supports %*pbl\n",
+			    interface, phy_modes(interface),
+			    phy_rate_matching_to_str(tmp_state.rate_matching),
+			    __ETHTOOL_LINK_MODE_MASK_NBITS, tmp_supported);
+
+		linkmode_or(accum_supported, accum_supported, tmp_supported);
+		linkmode_or(accum_advertising, accum_advertising,
+			    tmp_state.advertising);
+	}
+}
+
 static int phylink_validate_mask(struct phylink *pl, unsigned long *supported,
 				 struct phylink_link_state *state,
 				 const unsigned long *interfaces)
 {
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(all_adv) = { 0, };
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(all_s) = { 0, };
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(s);
-	struct phylink_link_state t;
 	int interface;
 
-	for_each_set_bit(interface, interfaces, PHY_INTERFACE_MODE_MAX) {
-		linkmode_copy(s, supported);
-
-		t = *state;
-		t.interface = interface;
-		if (!phylink_validate_mac_and_pcs(pl, s, &t)) {
-			linkmode_or(all_s, all_s, s);
-			linkmode_or(all_adv, all_adv, t.advertising);
-		}
-	}
+	for_each_set_bit(interface, interfaces, PHY_INTERFACE_MODE_MAX)
+		phylink_validate_one(pl, supported, state, interface,
+				     all_s, all_adv);
 
 	linkmode_copy(supported, all_s);
 	linkmode_copy(state->advertising, all_adv);