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| author | Moses Devadason <mosesdevadason@gmail.com> | 2020-06-28 11:07:54 +0530 |
|---|---|---|
| committer | fxlb <devel.fx.lebail@orange.fr> | 2020-06-30 20:12:31 +0000 |
| commit | 1f9d3d622e419fcc44f1cd0f1e53f04004d98600 (patch) | |
| tree | be87df1dd6311acc31726aa1e822a97685891fe3 /print-lldp.c | |
| parent | 8a33158e8896bcc38ceccf2d52c11af84dbfb971 (diff) | |
| download | tcpdump-1f9d3d622e419fcc44f1cd0f1e53f04004d98600.tar.gz | |
LLDP 8021 link aggregation TLV support
As per IEEE std 802.1-AB-2009, 802.3 link aggregation TLV has been
deprecated and link aggregation TLV has been added as an 802.1
TLV. Support for this is given.
Diffstat (limited to 'print-lldp.c')
| -rw-r--r-- | print-lldp.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/print-lldp.c b/print-lldp.c index 54745e5b..358a31e1 100644 --- a/print-lldp.c +++ b/print-lldp.c @@ -136,6 +136,7 @@ static const struct tok lldp_cap_values[] = { #define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID 2 #define LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME 3 #define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY 4 +#define LLDP_PRIVATE_8021_SUBTYPE_LINKAGGR 7 #define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION 8 #define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION 9 #define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION 10 @@ -149,6 +150,7 @@ static const struct tok lldp_8021_subtype_values[] = { { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID, "Port and Protocol VLAN ID"}, { LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME, "VLAN name"}, { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY, "Protocol Identity"}, + { LLDP_PRIVATE_8021_SUBTYPE_LINKAGGR, "Link aggregation"}, { LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION, "Congestion Notification"}, { LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION, "ETS Configuration"}, { LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION, "ETS Recommendation"}, @@ -712,6 +714,16 @@ lldp_private_8021_print(netdissect_options *ndo, ND_PRINT("\n\t protocol identity: "); (void)nd_printzp(ndo, tptr + 5, sublen, NULL); break; + + case LLDP_PRIVATE_8021_SUBTYPE_LINKAGGR: + if (tlv_len < 9) { + return hexdump; + } + ND_PRINT("\n\t aggregation status [%s], aggregation port ID %u", + bittok2str(lldp_aggregation_values, "none", GET_U_1((tptr + 4))), + GET_BE_U_4(tptr + 5)); + break; + case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION: if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){ return hexdump; |