172
Field Description
Options Socket options.
Error Error code.
Receiving buffer
(cc/hiwat/lowat/drop/state)
Displays receive buffer information in the following order:
• cc—Used space.
• hiwat—Maximum space.
• lowat—Minimum space.
• drop—Number of dropped packets.
• state—Buffer state:
{ CANTSENDMORE—Unable to send data to the peer.
{ CANTRCVMORE—Unable to receive data from the peer.
{ RCVATMARK—Receiving tag.
{ N/A—None of the above states.
Sending buffer
(cc/hiwat/lowat/state)
Displays send buffer information in the following order:
• cc—Used space.
• hiwat—Maximum space.
• lowat—Minimum space.
• state—Buffer state:
{ CANTSENDMORE—Unable to send data to the peer.
{ CANTRCVMORE—Unable to receive data from the peer.
{ RCVATMARK—Receiving tag.
{ N/A—None of the above states.
Type
Socket type:
• 1—SOCK_STREAM. This socket uses TCP to provide reliable
transmission of byte streams.
• 2—SOCK_DGRAM. This socket uses UDP to provide datagram
transmission.
• 3—SOCK_RAW. This socket allows an application to change
the next upper-layer protocol header.
• N/A—None of the above types.
Protocol Number of the protocol using the socket.
Connection info Source IP address and destination IP address.
Inpcb flags
Flags in the Internet PCB:
• INP_RECVOPTS—Receives IP options.
• INP_RECVRETOPTS—Receives replied IP options.
• INP_RECVDSTADDR—Receives destination IP address.
• INP_HDRINCL—Provides the entire IP header.
• INP_REUSEADDR—Reuses the IP address.
• INP_REUSEPORT—Reuses the port number.
• INP_ANONPORT—Port number not specified.
• INP_RECVIF—Records the input interface of the packet.
• INP_RECVTTL—Receives TTL of the packet. Only UDP and
RawIP support this flag.
• INP_DONTFRAG—Sets the Don't Fragment flag.
• INP_ROUTER_ALERT—Receives packets with the router alert
option. Only RawIP supports this flag.
• INP_PROTOCOL_PACKET—Identifies a protocol packet.
• INP_RCVVLANID—Receives the VLAN ID of the packet. Only
UDP and RawIP support this flag.
• INP_RCVMACADDR—Receives the MAC address of the
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