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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/ti/cpsw_ale.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw_ale.h')
-rw-r--r--drivers/net/ethernet/ti/cpsw_ale.h143
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
new file mode 100644
index 000000000..aba4572cf
--- /dev/null
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Texas Instruments N-Port Ethernet Switch Address Lookup Engine APIs
+ *
+ * Copyright (C) 2012 Texas Instruments
+ *
+ */
+#ifndef __TI_CPSW_ALE_H__
+#define __TI_CPSW_ALE_H__
+
+struct cpsw_ale_params {
+ struct device *dev;
+ void __iomem *ale_regs;
+ unsigned long ale_ageout; /* in secs */
+ unsigned long ale_entries;
+ unsigned long ale_ports;
+ /* NU Switch has specific handling as number of bits in ALE entries
+ * are different than other versions of ALE. Also there are specific
+ * registers for unknown vlan specific fields. So use nu_switch_ale
+ * to identify this hardware.
+ */
+ bool nu_switch_ale;
+ /* mask bit used in NU Switch ALE is 3 bits instead of 8 bits. So
+ * pass it from caller.
+ */
+ u32 major_ver_mask;
+ const char *dev_id;
+ unsigned long bus_freq;
+};
+
+struct ale_entry_fld;
+
+struct cpsw_ale {
+ struct cpsw_ale_params params;
+ struct timer_list timer;
+ unsigned long ageout;
+ u32 version;
+ u32 features;
+ /* These bits are different on NetCP NU Switch ALE */
+ u32 port_mask_bits;
+ u32 port_num_bits;
+ u32 vlan_field_bits;
+ unsigned long *p0_untag_vid_mask;
+ const struct ale_entry_fld *vlan_entry_tbl;
+};
+
+enum cpsw_ale_control {
+ /* global */
+ ALE_ENABLE,
+ ALE_CLEAR,
+ ALE_AGEOUT,
+ ALE_P0_UNI_FLOOD,
+ ALE_VLAN_NOLEARN,
+ ALE_NO_PORT_VLAN,
+ ALE_OUI_DENY,
+ ALE_BYPASS,
+ ALE_RATE_LIMIT_TX,
+ ALE_VLAN_AWARE,
+ ALE_AUTH_ENABLE,
+ ALE_RATE_LIMIT,
+ /* port controls */
+ ALE_PORT_STATE,
+ ALE_PORT_DROP_UNTAGGED,
+ ALE_PORT_DROP_UNKNOWN_VLAN,
+ ALE_PORT_NOLEARN,
+ ALE_PORT_NO_SA_UPDATE,
+ ALE_PORT_UNKNOWN_VLAN_MEMBER,
+ ALE_PORT_UNKNOWN_MCAST_FLOOD,
+ ALE_PORT_UNKNOWN_REG_MCAST_FLOOD,
+ ALE_PORT_UNTAGGED_EGRESS,
+ ALE_PORT_MACONLY,
+ ALE_PORT_MACONLY_CAF,
+ ALE_PORT_BCAST_LIMIT,
+ ALE_PORT_MCAST_LIMIT,
+ ALE_DEFAULT_THREAD_ID,
+ ALE_DEFAULT_THREAD_ENABLE,
+ ALE_NUM_CONTROLS,
+};
+
+enum cpsw_ale_port_state {
+ ALE_PORT_STATE_DISABLE = 0x00,
+ ALE_PORT_STATE_BLOCK = 0x01,
+ ALE_PORT_STATE_LEARN = 0x02,
+ ALE_PORT_STATE_FORWARD = 0x03,
+};
+
+/* ALE unicast entry flags - passed into cpsw_ale_add_ucast() */
+#define ALE_SECURE BIT(0)
+#define ALE_BLOCKED BIT(1)
+#define ALE_SUPER BIT(2)
+#define ALE_VLAN BIT(3)
+
+#define ALE_PORT_HOST BIT(0)
+#define ALE_PORT_1 BIT(1)
+#define ALE_PORT_2 BIT(2)
+
+#define ALE_MCAST_FWD 0
+#define ALE_MCAST_BLOCK_LEARN_FWD 1
+#define ALE_MCAST_FWD_LEARN 2
+#define ALE_MCAST_FWD_2 3
+
+#define ALE_ENTRY_BITS 68
+#define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32)
+
+struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params);
+
+void cpsw_ale_start(struct cpsw_ale *ale);
+void cpsw_ale_stop(struct cpsw_ale *ale);
+
+int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
+int cpsw_ale_add_ucast(struct cpsw_ale *ale, const u8 *addr, int port,
+ int flags, u16 vid);
+int cpsw_ale_del_ucast(struct cpsw_ale *ale, const u8 *addr, int port,
+ int flags, u16 vid);
+int cpsw_ale_add_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
+ int flags, u16 vid, int mcast_state);
+int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
+ int flags, u16 vid);
+int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
+ int reg_mcast, int unreg_mcast);
+int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port);
+void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti, int port);
+int cpsw_ale_rx_ratelimit_bc(struct cpsw_ale *ale, int port, unsigned int ratelimit_pps);
+int cpsw_ale_rx_ratelimit_mc(struct cpsw_ale *ale, int port, unsigned int ratelimit_pps);
+
+int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control);
+int cpsw_ale_control_set(struct cpsw_ale *ale, int port,
+ int control, int value);
+void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data);
+u32 cpsw_ale_get_num_entries(struct cpsw_ale *ale);
+
+static inline int cpsw_ale_get_vlan_p0_untag(struct cpsw_ale *ale, u16 vid)
+{
+ return test_bit(vid, ale->p0_untag_vid_mask);
+}
+
+int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask,
+ int untag_mask, int reg_mcast, int unreg_mcast);
+int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask);
+void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask,
+ bool add);
+
+#endif