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7ace30aeb6
Backport upstream code split patch for qca8k needed for ipq40xx target to correctly implement a DSA driver. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
233 lines
6.7 KiB
Diff
233 lines
6.7 KiB
Diff
From 742d37a84d3f7bb60d9b2d9ada9ad4e599f65ebf Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Wed, 27 Jul 2022 13:35:20 +0200
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Subject: [PATCH 11/14] net: dsa: qca8k: move port mirror functions to common
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code
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The same port mirror functions are used by drivers based on qca8k family
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switch. Move them to common code to make them accessible also by other
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drivers.
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/dsa/qca/qca8k-8xxx.c | 93 ------------------------------
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drivers/net/dsa/qca/qca8k-common.c | 91 +++++++++++++++++++++++++++++
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drivers/net/dsa/qca/qca8k.h | 7 +++
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3 files changed, 98 insertions(+), 93 deletions(-)
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--- a/drivers/net/dsa/qca/qca8k-8xxx.c
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+++ b/drivers/net/dsa/qca/qca8k-8xxx.c
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@@ -1838,99 +1838,6 @@ exit:
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}
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static int
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-qca8k_port_mirror_add(struct dsa_switch *ds, int port,
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- struct dsa_mall_mirror_tc_entry *mirror,
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- bool ingress)
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-{
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- struct qca8k_priv *priv = ds->priv;
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- int monitor_port, ret;
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- u32 reg, val;
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-
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- /* Check for existent entry */
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- if ((ingress ? priv->mirror_rx : priv->mirror_tx) & BIT(port))
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- return -EEXIST;
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-
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- ret = regmap_read(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0, &val);
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- if (ret)
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- return ret;
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-
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- /* QCA83xx can have only one port set to mirror mode.
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- * Check that the correct port is requested and return error otherwise.
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- * When no mirror port is set, the values is set to 0xF
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- */
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- monitor_port = FIELD_GET(QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, val);
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- if (monitor_port != 0xF && monitor_port != mirror->to_local_port)
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- return -EEXIST;
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-
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- /* Set the monitor port */
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- val = FIELD_PREP(QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM,
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- mirror->to_local_port);
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- ret = regmap_update_bits(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0,
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- QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, val);
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- if (ret)
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- return ret;
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-
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- if (ingress) {
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- reg = QCA8K_PORT_LOOKUP_CTRL(port);
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- val = QCA8K_PORT_LOOKUP_ING_MIRROR_EN;
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- } else {
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- reg = QCA8K_REG_PORT_HOL_CTRL1(port);
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- val = QCA8K_PORT_HOL_CTRL1_EG_MIRROR_EN;
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- }
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-
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- ret = regmap_update_bits(priv->regmap, reg, val, val);
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- if (ret)
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- return ret;
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-
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- /* Track mirror port for tx and rx to decide when the
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- * mirror port has to be disabled.
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- */
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- if (ingress)
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- priv->mirror_rx |= BIT(port);
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- else
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- priv->mirror_tx |= BIT(port);
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-
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- return 0;
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-}
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-
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-static void
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-qca8k_port_mirror_del(struct dsa_switch *ds, int port,
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- struct dsa_mall_mirror_tc_entry *mirror)
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-{
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- struct qca8k_priv *priv = ds->priv;
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- u32 reg, val;
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- int ret;
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-
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- if (mirror->ingress) {
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- reg = QCA8K_PORT_LOOKUP_CTRL(port);
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- val = QCA8K_PORT_LOOKUP_ING_MIRROR_EN;
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- } else {
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- reg = QCA8K_REG_PORT_HOL_CTRL1(port);
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- val = QCA8K_PORT_HOL_CTRL1_EG_MIRROR_EN;
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- }
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-
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- ret = regmap_clear_bits(priv->regmap, reg, val);
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- if (ret)
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- goto err;
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-
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- if (mirror->ingress)
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- priv->mirror_rx &= ~BIT(port);
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- else
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- priv->mirror_tx &= ~BIT(port);
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-
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- /* No port set to send packet to mirror port. Disable mirror port */
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- if (!priv->mirror_rx && !priv->mirror_tx) {
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- val = FIELD_PREP(QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, 0xF);
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- ret = regmap_update_bits(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0,
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- QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, val);
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- if (ret)
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- goto err;
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- }
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-err:
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- dev_err(priv->dev, "Failed to del mirror port from %d", port);
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-}
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-
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-static int
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qca8k_port_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
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struct netlink_ext_ack *extack)
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{
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--- a/drivers/net/dsa/qca/qca8k-common.c
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+++ b/drivers/net/dsa/qca/qca8k-common.c
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@@ -741,3 +741,94 @@ int qca8k_port_mdb_del(struct dsa_switch
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return qca8k_fdb_search_and_del(priv, BIT(port), addr, vid);
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}
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+
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+int qca8k_port_mirror_add(struct dsa_switch *ds, int port,
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+ struct dsa_mall_mirror_tc_entry *mirror,
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+ bool ingress)
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+{
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+ struct qca8k_priv *priv = ds->priv;
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+ int monitor_port, ret;
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+ u32 reg, val;
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+
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+ /* Check for existent entry */
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+ if ((ingress ? priv->mirror_rx : priv->mirror_tx) & BIT(port))
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+ return -EEXIST;
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+
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+ ret = regmap_read(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0, &val);
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+ if (ret)
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+ return ret;
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+
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+ /* QCA83xx can have only one port set to mirror mode.
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+ * Check that the correct port is requested and return error otherwise.
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+ * When no mirror port is set, the values is set to 0xF
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+ */
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+ monitor_port = FIELD_GET(QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, val);
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+ if (monitor_port != 0xF && monitor_port != mirror->to_local_port)
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+ return -EEXIST;
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+
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+ /* Set the monitor port */
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+ val = FIELD_PREP(QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM,
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+ mirror->to_local_port);
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+ ret = regmap_update_bits(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0,
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+ QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, val);
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+ if (ret)
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+ return ret;
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+
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+ if (ingress) {
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+ reg = QCA8K_PORT_LOOKUP_CTRL(port);
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+ val = QCA8K_PORT_LOOKUP_ING_MIRROR_EN;
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+ } else {
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+ reg = QCA8K_REG_PORT_HOL_CTRL1(port);
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+ val = QCA8K_PORT_HOL_CTRL1_EG_MIRROR_EN;
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+ }
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+
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+ ret = regmap_update_bits(priv->regmap, reg, val, val);
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+ if (ret)
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+ return ret;
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+
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+ /* Track mirror port for tx and rx to decide when the
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+ * mirror port has to be disabled.
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+ */
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+ if (ingress)
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+ priv->mirror_rx |= BIT(port);
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+ else
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+ priv->mirror_tx |= BIT(port);
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+
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+ return 0;
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+}
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+
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+void qca8k_port_mirror_del(struct dsa_switch *ds, int port,
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+ struct dsa_mall_mirror_tc_entry *mirror)
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+{
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+ struct qca8k_priv *priv = ds->priv;
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+ u32 reg, val;
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+ int ret;
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+
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+ if (mirror->ingress) {
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+ reg = QCA8K_PORT_LOOKUP_CTRL(port);
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+ val = QCA8K_PORT_LOOKUP_ING_MIRROR_EN;
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+ } else {
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+ reg = QCA8K_REG_PORT_HOL_CTRL1(port);
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+ val = QCA8K_PORT_HOL_CTRL1_EG_MIRROR_EN;
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+ }
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+
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+ ret = regmap_clear_bits(priv->regmap, reg, val);
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+ if (ret)
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+ goto err;
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+
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+ if (mirror->ingress)
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+ priv->mirror_rx &= ~BIT(port);
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+ else
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+ priv->mirror_tx &= ~BIT(port);
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+
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+ /* No port set to send packet to mirror port. Disable mirror port */
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+ if (!priv->mirror_rx && !priv->mirror_tx) {
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+ val = FIELD_PREP(QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, 0xF);
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+ ret = regmap_update_bits(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0,
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+ QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM, val);
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+ if (ret)
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+ goto err;
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+ }
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+err:
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+ dev_err(priv->dev, "Failed to del mirror port from %d", port);
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+}
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--- a/drivers/net/dsa/qca/qca8k.h
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+++ b/drivers/net/dsa/qca/qca8k.h
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@@ -480,4 +480,11 @@ int qca8k_port_mdb_add(struct dsa_switch
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int qca8k_port_mdb_del(struct dsa_switch *ds, int port,
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const struct switchdev_obj_port_mdb *mdb);
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+/* Common port mirror function */
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+int qca8k_port_mirror_add(struct dsa_switch *ds, int port,
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+ struct dsa_mall_mirror_tc_entry *mirror,
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+ bool ingress);
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+void qca8k_port_mirror_del(struct dsa_switch *ds, int port,
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+ struct dsa_mall_mirror_tc_entry *mirror);
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+
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#endif /* __QCA8K_H */
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