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VLAN membership, PVID, egress tagging, isolation and MTU are all per physical port in this ASIC, so nothing stopped a member of a working aggregation group being given a different PVID from its peers. The group then forwards asymmetrically depending on which member the hash picks, and no part of the firmware says a word about it. port_lag_of() answers which group a port belongs to, reading the membership through the shared reader rather than a fourth private copy. port_pvid_set() expands to the whole group when the port it is given is a member, and ports outside a group keep the path they had. This is the second and third of the three steps set out in #347. I said there that the lookup would come when something needed it, which had it the wrong way round: nothing in the tree asks which group a port is in, so the lookup only earns its place alongside a caller. PVID is the smallest such caller, and the rest of the per port settings can follow the same shape once this one is agreed. Built for SWTGW218AS and KP_9000_6XHML_X2 on sdcc 4.5.0.
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
#ifndef _RTL837X_PORT_H_
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#define _RTL837X_PORT_H_
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#include <stdint.h>
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#include "rtl837x_regs.h"
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#define STAT_COUNTER_TX_PKTS 46
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#define STAT_COUNTER_RX_PKTS 47
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#define STAT_COUNTER_ERR_PKTS 48
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#define STAT_GET(cnt, port) \
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REG_WRITE(RTL837X_STAT_GET, 0x00, 0x00, cnt >> 3, (cnt << 5) | (port << 1) | 1); \
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do { \
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reg_read_m(RTL837X_STAT_GET); \
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} while (sfr_data[3] & 0x1);
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// Possible values for ingress filter type
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typedef enum {
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VLAN_ALL = INGR_ALLOW_ALL,
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VLAN_TAGGED = INGR_ALLOW_TAGGED,
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VLAN_UNTAGGED = INGR_ALLOW_UNTAGGED,
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VLAN_INVALID = 3
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} vlan_ingress_mode_e;
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// Since we lack a way to force enum to be 1 byte,
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// This is a typedef for the VLAN ingress filter type
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// which holds vlan_ingress_mode_e values
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typedef uint8_t vlan_ingress_mode_t;
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struct vlan_settings {
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uint16_t vlan;
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uint16_t members;
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uint16_t tagged;
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};
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/*
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* Port EEE settings
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*/
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#define EEE_100 0x01
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#define EEE_1000 0x04
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#define EEE_2G5 0x10
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#define EEE_5G 0x20
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#define EEE_10G 0x40
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#define EEE_NORESET 0x80
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extern __xdata struct vlan_settings vlan_settings;
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uint8_t port_l2_forget(void) __banked;
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void port_l2_learned(void) __banked;
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void port_stats_print(void) __banked;
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int8_t vlan_get(register uint16_t vlan) __banked;
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__xdata uint16_t vlan_name(register uint16_t vlan) __banked;
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void vlan_name_remove(uint16_t vlan) __banked;
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void vlan_setup(void) __banked;
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void port_pvid_set(uint8_t port, __xdata uint16_t pvid) __banked;
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uint16_t port_pvid_get(uint8_t port) __banked;
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void vlan_create(void) __banked;
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void vlan_delete(uint16_t vlan) __banked;
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void vlan_dump(void) __banked;
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void port_mirror_set(register uint8_t port, __xdata uint16_t rx_pmask, __xdata uint16_t tx_pmask) __banked;
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void port_mirror_del(void) __banked;
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bool port_ingress_filter(__xdata uint8_t port, __xdata vlan_ingress_mode_t type) __banked;
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void port_l2_setup(void) __banked;
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uint16_t port_lag_members_get(uint8_t lag) __banked;
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#define PORT_LAG_NONE 0xff
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uint8_t port_lag_of(uint8_t port) __banked;
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void port_lag_members_set(__xdata uint8_t lag, __xdata uint16_t members) __banked;
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void port_lag_hash_set(__xdata uint8_t lag, __xdata uint8_t hash) __banked;
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void port_eee_enable_all(__xdata uint8_t speed) __banked;
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void port_eee_disable_all(void) __banked;
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void port_eee_status_all(void) __banked;
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void port_eee_enable(__xdata uint8_t port, __xdata uint8_t speed) __banked;
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void port_eee_disable(uint8_t port) __banked;
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void port_eee_status(uint8_t port) __banked;
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void print_port_ingress_filter_mode(vlan_ingress_mode_t mode) __banked;
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bool port_ingress_vlan_filter_set(__xdata uint8_t port, __xdata bool enabled) __banked;
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bool port_ingress_vlan_filter_get(__xdata uint8_t port) __banked;
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void port_isolate(register uint8_t port, __xdata uint16_t pmask) __banked;
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uint16_t port_isolation_get(register uint8_t port) __banked;
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#endif
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