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Reorder some network events bitset to make the event class clearer

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This commit is contained in:
Gregory Nutt 2015-05-28 08:55:36 -06:00
parent 7f71905725
commit 3260db7dbe
1 changed files with 56 additions and 38 deletions
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94
net/devif/devif.h
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@ -61,6 +61,10 @@
* TCP_ACKDATA, XYZ_NEWDATA, and TCP_CLOSE flags may be set at the same time,
* whereas the others are mutually exclusive.
*
* Connection Specific Events: These are events that may be notified
* through callback lists residing in TCP, UDP, or PKT port connection
* structures:
*
* 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)
@ -69,8 +73,7 @@
* 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.
* ICMPv6_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
@ -80,31 +83,6 @@
* was last sent. (TCP only)
* OUT: Not used
*
* ARP_POLL IN: Used for polling the socket layer. This is provided
* periodically from the drivers to support (1) timed
* operations, and (2) to check if the ARP layer needs
* to send an ARP request. This is a device oriented
* event, not associated with a socket.
* OUT: Not used
*
* ICMP_POLL IN: Used for polling the socket layer. This is provided
* periodically from the drivers to support (1) timed
* operations, and (2) to check if the ICMP layer needs
* to send an ARP request. This is a device oriented
* event, not associated with a socket. This differs
* from ICMPv6_POLL only in that the appdata pointer
* is set differently
* OUT: Not used
*
* ICMPv6_POLL IN: Used for polling the socket layer. This is provided
* periodically from the drivers to support (1) timed
* operations, and (2) to check if the ICMP layer needs
* to send an ARP request. This is a device oriented
* event, not associated with a socket. This differs
* from ICMP_POLL only in that the appdata pointer
* is set differently
* 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
@ -136,6 +114,39 @@
* retransmissions. (TCP only)
* OUT: Not used
*
* Device Specific Events: These are events that may be notified through
* callback lists residing in the network device structure.
*
* ICMP_NEWDATA IN: Set to indicate that the peer has sent us new data.
* ICMPv6_NEWDATA OUT: Cleared (only) by the socket layer logic to indicate
* that the new data was consumed, suppressing further
* attempts to process the new data.
*
* ARP_POLL IN: Used for polling the socket layer. This is provided
* periodically from the drivers to support (1) timed
* operations, and (2) to check if the ARP layer needs
* to send an ARP request. This is a device oriented
* event, not associated with a socket.
* OUT: Not used
*
* ICMP_POLL IN: Used for polling the socket layer. This is provided
* periodically from the drivers to support (1) timed
* operations, and (2) to check if the ICMP layer needs
* to send an ARP request. This is a device oriented
* event, not associated with a socket. This differs
* from ICMPv6_POLL only in that the appdata pointer
* is set differently
* OUT: Not used
*
* ICMPv6_POLL IN: Used for polling the socket layer. This is provided
* periodically from the drivers to support (1) timed
* operations, and (2) to check if the ICMP layer needs
* to send an ARP request. This is a device oriented
* event, not associated with a socket. This differs
* from ICMP_POLL only in that the appdata pointer
* is set differently
* OUT: Not used
*
* ICMP_ECHOREPLY IN: An ICMP Echo Reply has been received. Used to support
* ICMP ping from the socket layer. (ICMPv4 only)
* OUT: Cleared (only) by the socket layer logic to indicate
@ -152,29 +163,36 @@
* OUT: Not used
*/
/* Connection specific events */
#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 ARP_POLL (1 << 4)
#define ICMP_POLL (1 << 5)
#define ICMPv6_POLL (1 << 6)
#define TCP_POLL (1 << 7)
#define TCP_POLL (1 << 4)
#define UDP_POLL TCP_POLL
#define PKT_POLL TCP_POLL
#define TCP_BACKLOG (1 << 8)
#define TCP_CLOSE (1 << 9)
#define TCP_ABORT (1 << 10)
#define TCP_CONNECTED (1 << 11)
#define TCP_TIMEDOUT (1 << 12)
#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)
/* Device specific events */
#define ICMP_NEWDATA TCP_NEWDATA
#define ICMPv6_NEWDATA TCP_NEWDATA
#define ARP_POLL (1 << 10)
#define ICMP_POLL (1 << 11)
#define ICMPv6_POLL (1 << 12)
#define ICMP_ECHOREPLY (1 << 13)
#define ICMPv6_ECHOREPLY (1 << 14)
#define NETDEV_DOWN (1 << 15)
/* The set of events that and implications to the TCP connection state */
#define TCP_CONN_EVENTS (TCP_CLOSE | TCP_ABORT | TCP_CONNECTED | \
TCP_TIMEDOUT | NETDEV_DOWN)