diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/745-v5.7-net-dsa-mt7530-add-support-for-port-mirroring.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/745-v5.7-net-dsa-mt7530-add-support-for-port-mirroring.patch | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/target/linux/generic/backport-5.4/745-v5.7-net-dsa-mt7530-add-support-for-port-mirroring.patch b/target/linux/generic/backport-5.4/745-v5.7-net-dsa-mt7530-add-support-for-port-mirroring.patch deleted file mode 100644 index 71a06997c3..0000000000 --- a/target/linux/generic/backport-5.4/745-v5.7-net-dsa-mt7530-add-support-for-port-mirroring.patch +++ /dev/null @@ -1,123 +0,0 @@ -From 37feab6076aa816ed72fe836759a485353241916 Mon Sep 17 00:00:00 2001 -From: DENG Qingfang <dqfext@gmail.com> -Date: Fri, 6 Mar 2020 20:35:35 +0800 -Subject: net: dsa: mt7530: add support for port mirroring - -Add support for configuring port mirroring through the cls_matchall -classifier. We do a full ingress and/or egress capture towards a -capture port. -MT7530 supports one monitor port and multiple mirrored ports. - -Signed-off-by: DENG Qingfang <dqfext@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/dsa/mt7530.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++ - drivers/net/dsa/mt7530.h | 7 ++++++ - 2 files changed, 67 insertions(+) - ---- a/drivers/net/dsa/mt7530.c -+++ b/drivers/net/dsa/mt7530.c -@@ -1143,6 +1143,64 @@ mt7530_port_vlan_del(struct dsa_switch * - return 0; - } - -+static int mt7530_port_mirror_add(struct dsa_switch *ds, int port, -+ struct dsa_mall_mirror_tc_entry *mirror, -+ bool ingress) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ u32 val; -+ -+ /* Check for existent entry */ -+ if ((ingress ? priv->mirror_rx : priv->mirror_tx) & BIT(port)) -+ return -EEXIST; -+ -+ val = mt7530_read(priv, MT7530_MFC); -+ -+ /* MT7530 only supports one monitor port */ -+ if (val & MIRROR_EN && MIRROR_PORT(val) != mirror->to_local_port) -+ return -EEXIST; -+ -+ val |= MIRROR_EN; -+ val &= ~MIRROR_MASK; -+ val |= mirror->to_local_port; -+ mt7530_write(priv, MT7530_MFC, val); -+ -+ val = mt7530_read(priv, MT7530_PCR_P(port)); -+ if (ingress) { -+ val |= PORT_RX_MIR; -+ priv->mirror_rx |= BIT(port); -+ } else { -+ val |= PORT_TX_MIR; -+ priv->mirror_tx |= BIT(port); -+ } -+ mt7530_write(priv, MT7530_PCR_P(port), val); -+ -+ return 0; -+} -+ -+static void mt7530_port_mirror_del(struct dsa_switch *ds, int port, -+ struct dsa_mall_mirror_tc_entry *mirror) -+{ -+ struct mt7530_priv *priv = ds->priv; -+ u32 val; -+ -+ val = mt7530_read(priv, MT7530_PCR_P(port)); -+ if (mirror->ingress) { -+ val &= ~PORT_RX_MIR; -+ priv->mirror_rx &= ~BIT(port); -+ } else { -+ val &= ~PORT_TX_MIR; -+ priv->mirror_tx &= ~BIT(port); -+ } -+ mt7530_write(priv, MT7530_PCR_P(port), val); -+ -+ if (!priv->mirror_rx && !priv->mirror_tx) { -+ val = mt7530_read(priv, MT7530_MFC); -+ val &= ~MIRROR_EN; -+ mt7530_write(priv, MT7530_MFC, val); -+ } -+} -+ - static enum dsa_tag_protocol - mtk_get_tag_protocol(struct dsa_switch *ds, int port) - { -@@ -1520,6 +1578,8 @@ static const struct dsa_switch_ops mt753 - .port_vlan_prepare = mt7530_port_vlan_prepare, - .port_vlan_add = mt7530_port_vlan_add, - .port_vlan_del = mt7530_port_vlan_del, -+ .port_mirror_add = mt7530_port_mirror_add, -+ .port_mirror_del = mt7530_port_mirror_del, - .phylink_validate = mt7530_phylink_validate, - .phylink_mac_link_state = mt7530_phylink_mac_link_state, - .phylink_mac_config = mt7530_phylink_mac_config, ---- a/drivers/net/dsa/mt7530.h -+++ b/drivers/net/dsa/mt7530.h -@@ -37,6 +37,9 @@ enum { - #define CPU_EN BIT(7) - #define CPU_PORT(x) ((x) << 4) - #define CPU_MASK (0xf << 4) -+#define MIRROR_EN BIT(3) -+#define MIRROR_PORT(x) ((x) & 0x7) -+#define MIRROR_MASK 0x7 - - /* Registers for address table access */ - #define MT7530_ATA1 0x74 -@@ -142,6 +145,8 @@ enum mt7530_stp_state { - - /* Register for port control */ - #define MT7530_PCR_P(x) (0x2004 + ((x) * 0x100)) -+#define PORT_TX_MIR BIT(9) -+#define PORT_RX_MIR BIT(8) - #define PORT_VLAN(x) ((x) & 0x3) - - enum mt7530_port_mode { -@@ -464,6 +469,8 @@ struct mt7530_priv { - phy_interface_t p6_interface; - phy_interface_t p5_interface; - unsigned int p5_intf_sel; -+ u8 mirror_rx; -+ u8 mirror_tx; - - struct mt7530_port ports[MT7530_NUM_PORTS]; - /* protect among processes for registers access*/ |