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Networking: First cut at ICMPv6 ping logic

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This commit is contained in:
Gregory Nutt
2015-01-23 14:06:08 -06:00
parent 59e24c865f
commit 30f0a942e1
5 changed files with 223 additions and 108 deletions
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net/devif/devif.h
+62 -60
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@@ -61,78 +61,80 @@
* TCP_ACKDATA, XYZ_NEWDATA, and TCP_CLOSE flags may be set at the same time,
* whereas the others are mutually exclusive.
*
* TCP_ACKDATA IN: Signifies that the outstanding data was ACKed and
* the socket layer should send out new data instead
* of retransmitting the last data (TCP only)
* OUT: Input state must be preserved on output.
* TCP_ACKDATA IN: Signifies that the outstanding data was ACKed and
* the socket layer should send out new data instead
* of retransmitting the last data (TCP only)
* OUT: Input state must be preserved on output.
*
* TCP_NEWDATA IN: Set to indicate that the peer has sent us new data.
* UDP_NEWDATA OUT: Cleared (only) by the socket layer logic to indicate
* PKT_NEWDATA that the new data was consumed, suppressing further
* ICMP_NEWDATA attempts to process the new data.
* TCP_NEWDATA IN: Set to indicate that the peer has sent us new data.
* UDP_NEWDATA OUT: Cleared (only) by the socket layer logic to indicate
* PKT_NEWDATA that the new data was consumed, suppressing further
* ICMP_NEWDATA attempts to process the new data.
*
* TCP_SNDACK IN: Not used; always zero
* OUT: Set by the socket layer if the new data was consumed
* and an ACK should be sent in the response. (TCP only)
* TCP_SNDACK IN: Not used; always zero
* OUT: Set by the socket layer if the new data was consumed
* and an ACK should be sent in the response. (TCP only)
*
* TCP_REXMIT IN: Tells the socket layer to retransmit the data that
* was last sent. (TCP only)
* OUT: Not used
* TCP_REXMIT IN: Tells the socket layer to retransmit the data that
* was last sent. (TCP only)
* OUT: Not used
*
* TCP_POLL IN: Used for polling the socket layer. This is provided
* UDP_POLL periodically from the drivers to support (1) timed
* PKT_POLL operations, and (2) to check if the socket layer has
* ICMP_POLL data that it wants to send
* ICMPv6_POLL OUT: Not used
* TCP_POLL IN: Used for polling the socket layer. This is provided
* UDP_POLL periodically from the drivers to support (1) timed
* PKT_POLL operations, and (2) to check if the socket layer has
* ICMP_POLL data that it wants to send
* ICMPv6_POLL OUT: Not used
*
* TCP_BACKLOG IN: There is a new connection in the backlog list set
* up by the listen() command. (TCP only)
* OUT: Not used
* TCP_BACKLOG IN: There is a new connection in the backlog list set
* up by the listen() command. (TCP only)
* OUT: Not used
*
* TCP_CLOSE IN: The remote host has closed the connection, thus the
* connection has gone away. (TCP only)
* OUT: The socket layer signals that it wants to close the
* connection. (TCP only)
* TCP_CLOSE IN: The remote host has closed the connection, thus the
* connection has gone away. (TCP only)
* OUT: The socket layer signals that it wants to close the
* connection. (TCP only)
*
* TCP_ABORT IN: The remote host has aborted the connection, thus the
* connection has gone away. (TCP only)
* OUT: The socket layer signals that it wants to abort the
* connection. (TCP only)
* TCP_ABORT IN: The remote host has aborted the connection, thus the
* connection has gone away. (TCP only)
* OUT: The socket layer signals that it wants to abort the
* connection. (TCP only)
*
* TCP_CONNECTED IN: We have got a connection from a remote host and have
* set up a new connection for it, or an active connection
* has been successfully established. (TCP only)
* OUT: Not used
* TCP_CONNECTED IN: We have got a connection from a remote host and have
* set up a new connection for it, or an active connection
* has been successfully established. (TCP only)
* OUT: Not used
*
* TCP_TIMEDOUT IN: The connection has been aborted due to too many
* retransmissions. (TCP only)
* OUT: Not used
* TCP_TIMEDOUT IN: The connection has been aborted due to too many
* retransmissions. (TCP only)
* OUT: Not used
*
* ICMP_ECHOREPLY IN: An ICMP Echo Reply has been received. Used to support
* ICMP ping from the socket layer. (ICMP only)
* OUT: Cleared (only) by the socket layer logic to indicate
* that the reply was processed, suppressing further
* attempts to process the reply.
* ICMP_ECHOREPLY IN: An ICMP Echo Reply has been received. Used to support
* ICMPv6_ECHOREPLY ICMP ping from the socket layer. (ICMP only)
* OUT: Cleared (only) by the socket layer logic to indicate
* that the reply was processed, suppressing further
* attempts to process the reply.
*/
#define TCP_ACKDATA (1 << 0)
#define TCP_NEWDATA (1 << 1)
#define UDP_NEWDATA TCP_NEWDATA
#define PKT_NEWDATA TCP_NEWDATA
#define ICMP_NEWDATA TCP_NEWDATA
#define TCP_SNDACK (1 << 2)
#define TCP_REXMIT (1 << 3)
#define TCP_POLL (1 << 4)
#define UDP_POLL TCP_POLL
#define PKT_POLL TCP_POLL
#define ICMP_POLL TCP_POLL
#define ICMPv6_POLL TCP_POLL
#define TCP_BACKLOG (1 << 5)
#define TCP_CLOSE (1 << 6)
#define TCP_ABORT (1 << 7)
#define TCP_CONNECTED (1 << 8)
#define TCP_TIMEDOUT (1 << 9)
#define ICMP_ECHOREPLY (1 << 10)
#define TCP_ACKDATA (1 << 0)
#define TCP_NEWDATA (1 << 1)
#define UDP_NEWDATA TCP_NEWDATA
#define PKT_NEWDATA TCP_NEWDATA
#define ICMP_NEWDATA TCP_NEWDATA
#define ICMPv6_NEWDATA TCP_NEWDATA
#define TCP_SNDACK (1 << 2)
#define TCP_REXMIT (1 << 3)
#define TCP_POLL (1 << 4)
#define UDP_POLL TCP_POLL
#define PKT_POLL TCP_POLL
#define ICMP_POLL TCP_POLL
#define ICMPv6_POLL TCP_POLL
#define TCP_BACKLOG (1 << 5)
#define TCP_CLOSE (1 << 6)
#define TCP_ABORT (1 << 7)
#define TCP_CONNECTED (1 << 8)
#define TCP_TIMEDOUT (1 << 9)
#define ICMP_ECHOREPLY (1 << 10)
#define ICMPv6_ECHOREPLY ICMP_ECHOREPLY
#define TCP_CONN_EVENTS (TCP_CLOSE | TCP_ABORT | TCP_CONNECTED | TCP_TIMEDOUT)