From 49699bac94d24b444274f91f85c82e6fad04d029 Mon Sep 17 00:00:00 2001 From: Susant Sahani Date: Thu, 11 Dec 2014 09:59:55 +0530 Subject: LLDP: Add support for networkctl --- src/libsystemd-network/lldp-internal.c | 97 +++++++++++++++++++++++++++++++++- 1 file changed, 96 insertions(+), 1 deletion(-) (limited to 'src/libsystemd-network/lldp-internal.c') diff --git a/src/libsystemd-network/lldp-internal.c b/src/libsystemd-network/lldp-internal.c index 7085a02491..f86c11e6ca 100644 --- a/src/libsystemd-network/lldp-internal.c +++ b/src/libsystemd-network/lldp-internal.c @@ -86,6 +86,8 @@ int lldp_read_port_id(tlv_packet *tlv, goto out1; switch (subtype) { + case LLDP_PORT_SUBTYPE_PORT_COMPONENT: + case LLDP_PORT_SUBTYPE_INTERFACE_ALIAS: case LLDP_PORT_SUBTYPE_INTERFACE_NAME: r = tlv_packet_read_string(tlv, &s, length); @@ -127,12 +129,105 @@ int lldp_read_ttl(tlv_packet *tlv, uint16_t *ttl) { r = tlv_packet_read_u16(tlv, ttl); - (void) lldp_tlv_packet_exit_container(tlv); + (void)lldp_tlv_packet_exit_container(tlv); out: return r; } +int lldp_read_system_name(tlv_packet *tlv, + uint16_t *length, + char **data) { + char *s; + int r; + + assert_return(tlv, -EINVAL); + + r = lldp_tlv_packet_enter_container(tlv, LLDP_TYPE_SYSTEM_NAME); + if (r < 0) + return r; + + r = tlv_packet_read_string(tlv, &s, length); + if (r < 0) + goto out; + + *data = (char *) s; + + out: + (void)lldp_tlv_packet_exit_container(tlv); + + return r; +} + +int lldp_read_system_description(tlv_packet *tlv, + uint16_t *length, + char **data) { + char *s; + int r; + + assert_return(tlv, -EINVAL); + + r = lldp_tlv_packet_enter_container(tlv, LLDP_TYPE_SYSTEM_DESCRIPTION); + if (r < 0) + return r; + + r = tlv_packet_read_string(tlv, &s, length); + if (r < 0) + goto out; + + *data = (char *) s; + + out: + (void)lldp_tlv_packet_exit_container(tlv); + + return r; +} + +int lldp_read_port_description(tlv_packet *tlv, + uint16_t *length, + char **data) { + char *s; + int r; + + assert_return(tlv, -EINVAL); + + r = lldp_tlv_packet_enter_container(tlv, LLDP_TYPE_PORT_DESCRIPTION); + if (r < 0) + return r; + + r = tlv_packet_read_string(tlv, &s, length); + if (r < 0) + goto out; + + *data = (char *) s; + + out: + (void)lldp_tlv_packet_exit_container(tlv); + + return r; +} + +int lldp_read_system_capability(tlv_packet *tlv, uint16_t *data) { + int r; + + assert_return(tlv, -EINVAL); + + r = lldp_tlv_packet_enter_container(tlv, LLDP_TYPE_SYSTEM_CAPABILITIES); + if (r < 0) + return r; + + r = tlv_packet_read_u16(tlv, data); + if (r < 0) + goto out; + + return 0; + out: + + (void)lldp_tlv_packet_exit_container(tlv); + + return r; +} + /* 10.5.5.2.2 mibUpdateObjects () * The mibUpdateObjects () procedure updates the MIB objects corresponding to * the TLVs contained in the received LLDPDU for the LLDP remote system -- cgit v1.2.3-54-g00ecf