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https://github.com/logicog/RTLPlayground.git
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d00f
3dd60f6b13
A port named in the CLI or the web UI (port <n> name ...) now carries that name in a Port Description TLV, so a neighbour sees "Uplink" next to "Port 9". The tail of the frame is built per port, since the TLV length differs from port to port; ports without a name send no TLV.
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
#ifndef _LLDP_H_
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#define _LLDP_H_
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#include <stdint.h>
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#define LLDP_MIN_ETHERNET_PAYLOAD_LENGTH 46
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#define LLDP_ETHERTYPE 0x88cc
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#define LLDP_ETHERTYPE_LENGTH 2
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#define LLDP_MAX_FRAME 256
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#define LLDP_TX_INTERVAL_S 30
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#define LLDP_HOLD_MULTIPLIER 4
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#define LLDP_PORT_ID_TLV_TYPE 2
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#define LLDP_PORT_ID_PREFIX "Port "
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#define LLDP_PORT_ID_PREFIX_LENGTH 5
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#define LLDP_PORT_ID_TLV_LENGTH (1 + LLDP_PORT_ID_PREFIX_LENGTH + 1)
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#define LLDP_PORT_ID_TLV_SUBTYPE 0x05
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#define LLDP_TTL_TLV_TYPE 3
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#define LLDP_TTL_TLV_LENGTH 2
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#define LLDP_TTL_TTL_SECONDS (LLDP_HOLD_MULTIPLIER * LLDP_TX_INTERVAL_S)
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#define LLDP_CHASSIS_ID_TLV_TYPE 1
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#define LLDP_CHASSIS_ID_TLV_LENGTH 7
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#define LLDP_CHASSIS_ID_TLV_SUBTYPE 4
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#define LLDP_PORT_DESC_TLV_TYPE 4
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#define LLDP_SYSNAME_TLV_TYPE 5
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#define LLDP_SYSDESC_TLV_TYPE 6
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#define LLDP_CAPABILITIES_TLV_TYPE 7
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#define LLDP_CAPABILITIES_TLV_LENGTH 4
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#define LLDP_CAPABILITY_BRIDGE 0x0004
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#define LLDP_MGMT_ADDR_TLV_TYPE 8
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#define LLDP_MGMT_ADDR_TLV_LENGTH 12
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#define LLDP_MGMT_ADDR_STR_LENGTH 5
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#define LLDP_MGMT_ADDR_SUBTYPE_IPV4 1
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#define LLDP_MGMT_IF_NUMBERING_UNKNOWN 1
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#define LLDP_MAX_PAYLOAD 128
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void lldp_init(void) __banked;
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void lldp_tick(void) __banked;
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void lldp_send(void) __banked;
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void lldp_shutdown(uint16_t ports) __banked;
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void lldp_set_addresses(void) __banked;
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void lldp_set_rtl_wrapper(void) __banked;
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uint8_t lldp_sysname(__xdata uint8_t *p) __banked;
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uint8_t lldp_sysdesc(__xdata uint8_t *p) __banked;
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uint8_t lldp_portdesc(__xdata uint8_t *p, uint8_t port) __banked;
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#endif
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