From a07638eb24b8310a35ea6c3b09f6db59bb31cd68 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 27 Nov 2019 11:45:20 +0000 Subject: kernel: move phylink patches from mvebu to generic Move two phylink patches from mvebu to generic, so that everyone can benefit from them. Signed-off-by: Russell King [jonas.gorski: add kernel version to file names] Signed-off-by: Jonas Gorski --- ...-only-call-mac_config-during-resolve-when.patch | 44 ++++++++++++++++ ...-phylink-ensure-inband-AN-works-correctly.patch | 59 ++++++++++++++++++++++ ...-only-call-mac_config-during-resolve-when.patch | 44 ---------------- ...-phylink-ensure-inband-AN-works-correctly.patch | 59 ---------------------- 4 files changed, 103 insertions(+), 103 deletions(-) create mode 100644 target/linux/generic/backport-4.19/700-v5.1-net-phylink-only-call-mac_config-during-resolve-when.patch create mode 100644 target/linux/generic/backport-4.19/701-v5.2-net-phylink-ensure-inband-AN-works-correctly.patch delete mode 100644 target/linux/mvebu/patches-4.19/402-net-phylink-only-call-mac_config-during-resolve-when.patch delete mode 100644 target/linux/mvebu/patches-4.19/403-net-phylink-ensure-inband-AN-works-correctly.patch (limited to 'target') diff --git a/target/linux/generic/backport-4.19/700-v5.1-net-phylink-only-call-mac_config-during-resolve-when.patch b/target/linux/generic/backport-4.19/700-v5.1-net-phylink-only-call-mac_config-during-resolve-when.patch new file mode 100644 index 0000000000..0e272ea891 --- /dev/null +++ b/target/linux/generic/backport-4.19/700-v5.1-net-phylink-only-call-mac_config-during-resolve-when.patch @@ -0,0 +1,44 @@ +From 6f3ea4e5b1f0867ec217f6101fcb89783ed905d7 Mon Sep 17 00:00:00 2001 +From: Russell King +Date: Sat, 9 Feb 2019 18:23:26 +0000 +Subject: [PATCH] net: phylink: only call mac_config() during resolve + when link is up + +There's little point calling mac_config() when the link is down. + +Signed-off-by: Russell King +--- + drivers/net/phy/phylink.c | 11 +++++++++-- + 1 file changed, 9 insertions(+), 2 deletions(-) + +--- a/drivers/net/phy/phylink.c ++++ b/drivers/net/phy/phylink.c +@@ -339,6 +339,13 @@ static void phylink_mac_config(struct ph + pl->ops->mac_config(pl->netdev, pl->link_an_mode, state); + } + ++static void phylink_mac_config_up(struct phylink *pl, ++ const struct phylink_link_state *state) ++{ ++ if (state->link) ++ phylink_mac_config(pl, state); ++} ++ + static void phylink_mac_an_restart(struct phylink *pl) + { + if (pl->link_config.an_enabled && +@@ -442,12 +449,12 @@ static void phylink_resolve(struct work_ + case MLO_AN_PHY: + link_state = pl->phy_state; + phylink_resolve_flow(pl, &link_state); +- phylink_mac_config(pl, &link_state); ++ phylink_mac_config_up(pl, &link_state); + break; + + case MLO_AN_FIXED: + phylink_get_fixed_state(pl, &link_state); +- phylink_mac_config(pl, &link_state); ++ phylink_mac_config_up(pl, &link_state); + break; + + case MLO_AN_INBAND: diff --git a/target/linux/generic/backport-4.19/701-v5.2-net-phylink-ensure-inband-AN-works-correctly.patch b/target/linux/generic/backport-4.19/701-v5.2-net-phylink-ensure-inband-AN-works-correctly.patch new file mode 100644 index 0000000000..746aca2e5a --- /dev/null +++ b/target/linux/generic/backport-4.19/701-v5.2-net-phylink-ensure-inband-AN-works-correctly.patch @@ -0,0 +1,59 @@ +From 72f973f292b3eaaf451ebcd3253900d41f4ef24a Mon Sep 17 00:00:00 2001 +From: Russell King +Date: Fri, 25 Jan 2019 17:42:51 +0000 +Subject: [PATCH] net: phylink: ensure inband AN works correctly + +Do not update the link interface mode while the link is down to avoid +spurious link interface changes. + +Always call mac_config if we have a PHY to propagate the pause mode +settings to the MAC. + +Signed-off-by: Russell King +--- + drivers/net/phy/phylink.c | 37 +++++++++++++++---------------------- + 1 file changed, 15 insertions(+), 22 deletions(-) + +--- a/drivers/net/phy/phylink.c ++++ b/drivers/net/phy/phylink.c +@@ -459,28 +459,21 @@ static void phylink_resolve(struct work_ + + case MLO_AN_INBAND: + phylink_get_mac_state(pl, &link_state); +- if (pl->phydev) { +- bool changed = false; + +- link_state.link = link_state.link && +- pl->phy_state.link; ++ /* If we have a phy, the "up" state is the union of ++ * both the PHY and the MAC */ ++ if (pl->phydev) ++ link_state.link &= pl->phy_state.link; + +- if (pl->phy_state.interface != +- link_state.interface) { +- link_state.interface = pl->phy_state.interface; +- changed = true; +- } ++ /* Only update if the PHY link is up */ ++ if (pl->phydev && pl->phy_state.link) { ++ link_state.interface = pl->phy_state.interface; + +- /* Propagate the flow control from the PHY +- * to the MAC. Also propagate the interface +- * if changed. +- */ +- if (pl->phy_state.link || changed) { +- link_state.pause |= pl->phy_state.pause; +- phylink_resolve_flow(pl, &link_state); +- +- phylink_mac_config(pl, &link_state); +- } ++ /* If we have a PHY, we need to update with ++ * the pause mode bits. */ ++ link_state.pause |= pl->phy_state.pause; ++ phylink_resolve_flow(pl, &link_state); ++ phylink_mac_config(pl, &link_state); + } + break; + } diff --git a/target/linux/mvebu/patches-4.19/402-net-phylink-only-call-mac_config-during-resolve-when.patch b/target/linux/mvebu/patches-4.19/402-net-phylink-only-call-mac_config-during-resolve-when.patch deleted file mode 100644 index 0e272ea891..0000000000 --- a/target/linux/mvebu/patches-4.19/402-net-phylink-only-call-mac_config-during-resolve-when.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 6f3ea4e5b1f0867ec217f6101fcb89783ed905d7 Mon Sep 17 00:00:00 2001 -From: Russell King -Date: Sat, 9 Feb 2019 18:23:26 +0000 -Subject: [PATCH] net: phylink: only call mac_config() during resolve - when link is up - -There's little point calling mac_config() when the link is down. - -Signed-off-by: Russell King ---- - drivers/net/phy/phylink.c | 11 +++++++++-- - 1 file changed, 9 insertions(+), 2 deletions(-) - ---- a/drivers/net/phy/phylink.c -+++ b/drivers/net/phy/phylink.c -@@ -339,6 +339,13 @@ static void phylink_mac_config(struct ph - pl->ops->mac_config(pl->netdev, pl->link_an_mode, state); - } - -+static void phylink_mac_config_up(struct phylink *pl, -+ const struct phylink_link_state *state) -+{ -+ if (state->link) -+ phylink_mac_config(pl, state); -+} -+ - static void phylink_mac_an_restart(struct phylink *pl) - { - if (pl->link_config.an_enabled && -@@ -442,12 +449,12 @@ static void phylink_resolve(struct work_ - case MLO_AN_PHY: - link_state = pl->phy_state; - phylink_resolve_flow(pl, &link_state); -- phylink_mac_config(pl, &link_state); -+ phylink_mac_config_up(pl, &link_state); - break; - - case MLO_AN_FIXED: - phylink_get_fixed_state(pl, &link_state); -- phylink_mac_config(pl, &link_state); -+ phylink_mac_config_up(pl, &link_state); - break; - - case MLO_AN_INBAND: diff --git a/target/linux/mvebu/patches-4.19/403-net-phylink-ensure-inband-AN-works-correctly.patch b/target/linux/mvebu/patches-4.19/403-net-phylink-ensure-inband-AN-works-correctly.patch deleted file mode 100644 index 746aca2e5a..0000000000 --- a/target/linux/mvebu/patches-4.19/403-net-phylink-ensure-inband-AN-works-correctly.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 72f973f292b3eaaf451ebcd3253900d41f4ef24a Mon Sep 17 00:00:00 2001 -From: Russell King -Date: Fri, 25 Jan 2019 17:42:51 +0000 -Subject: [PATCH] net: phylink: ensure inband AN works correctly - -Do not update the link interface mode while the link is down to avoid -spurious link interface changes. - -Always call mac_config if we have a PHY to propagate the pause mode -settings to the MAC. - -Signed-off-by: Russell King ---- - drivers/net/phy/phylink.c | 37 +++++++++++++++---------------------- - 1 file changed, 15 insertions(+), 22 deletions(-) - ---- a/drivers/net/phy/phylink.c -+++ b/drivers/net/phy/phylink.c -@@ -459,28 +459,21 @@ static void phylink_resolve(struct work_ - - case MLO_AN_INBAND: - phylink_get_mac_state(pl, &link_state); -- if (pl->phydev) { -- bool changed = false; - -- link_state.link = link_state.link && -- pl->phy_state.link; -+ /* If we have a phy, the "up" state is the union of -+ * both the PHY and the MAC */ -+ if (pl->phydev) -+ link_state.link &= pl->phy_state.link; - -- if (pl->phy_state.interface != -- link_state.interface) { -- link_state.interface = pl->phy_state.interface; -- changed = true; -- } -+ /* Only update if the PHY link is up */ -+ if (pl->phydev && pl->phy_state.link) { -+ link_state.interface = pl->phy_state.interface; - -- /* Propagate the flow control from the PHY -- * to the MAC. Also propagate the interface -- * if changed. -- */ -- if (pl->phy_state.link || changed) { -- link_state.pause |= pl->phy_state.pause; -- phylink_resolve_flow(pl, &link_state); -- -- phylink_mac_config(pl, &link_state); -- } -+ /* If we have a PHY, we need to update with -+ * the pause mode bits. */ -+ link_state.pause |= pl->phy_state.pause; -+ phylink_resolve_flow(pl, &link_state); -+ phylink_mac_config(pl, &link_state); - } - break; - } -- cgit v1.2.3