Scrubbed some code for Udp4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6494 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -20,8 +20,6 @@ Abstract:
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#include "Udp4Impl.h"
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#include <Protocol/Ip4.h>
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EFI_UDP4_PROTOCOL mUdp4Protocol = {
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Udp4GetModeData,
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Udp4Configure,
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@@ -35,24 +33,23 @@ EFI_UDP4_PROTOCOL mUdp4Protocol = {
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/**
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This function copies the current operational settings of this EFI UDPv4 Protocol
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instance into user-supplied buffers. This function is used optionally to retrieve
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the operational mode data of underlying networks or drivers.
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Reads the current operational settings.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param Udp4ConfigData Pointer to the buffer to receive the current
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configuration data.
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@param Ip4ModeData Pointer to the EFI IPv4 Protocol mode data
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structure.
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@param MnpConfigData Pointer to the managed network configuration data
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structure.
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@param SnpModeData Pointer to the simple network mode data structure.
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The GetModeData() function copies the current operational settings of this EFI
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UDPv4 Protocol instance into user-supplied buffers. This function is used
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optionally to retrieve the operational mode data of underlying networks or
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drivers.
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@retval EFI_SUCCESS The mode data was read.
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@retval EFI_NOT_STARTED When Udp4ConfigData is queried, no configuration
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data is available because this instance has not
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been started.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param Udp4ConfigData Pointer to the buffer to receive the current configuration data.
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@param Ip4ModeData Pointer to the EFI IPv4 Protocol mode data structure.
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@param MnpConfigData Pointer to the managed network configuration data structure.
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@param SnpModeData Pointer to the simple network mode data structure.
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@retval EFI_SUCCESS The mode data was read.
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@retval EFI_NOT_STARTED When Udp4ConfigData is queried, no configuration data is
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available because this instance has not been started.
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@retval EFI_INVALID_PARAMETER This is NULL.
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**/
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EFI_STATUS
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@@ -103,39 +100,36 @@ Udp4GetModeData (
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/**
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This function is used to do the following:
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Initialize and start this instance of the EFI UDPv4 Protocol.
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Change the filtering rules and operational parameters.
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Reset this instance of the EFI UDPv4 Protocol.
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Initializes, changes, or resets the operational parameters for this instance of the EFI UDPv4
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Protocol.
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The Configure() function is used to do the following:
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* Initialize and start this instance of the EFI UDPv4 Protocol.
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* Change the filtering rules and operational parameters.
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* Reset this instance of the EFI UDPv4 Protocol.
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Until these parameters are initialized, no network traffic can be sent or
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received by this instance. This instance can be also reset by calling Configure()
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with UdpConfigData set to NULL. Once reset, the receiving queue and transmitting
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queue are flushed and no traffic is allowed through this instance.
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With different parameters in UdpConfigData, Configure() can be used to bind
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this instance to specified port.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param UdpConfigData Pointer to the buffer to receive the current mode
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data.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param UdpConfigData Pointer to the buffer to receive the current configuration data.
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@retval EFI_SUCCESS The configuration settings were set, changed, or
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reset successfully.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
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BOOTP, RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE: This is
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NULL. UdpConfigData.StationAddress is not a valid
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unicast IPv4 address. UdpConfigData.SubnetMask is
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not a valid IPv4 address mask.
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UdpConfigData.RemoteAddress is not a valid unicast
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IPv4 address if it is not zero.
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@retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already
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started/configured and must be stopped/reset
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before it can be reconfigured. Only TypeOfService,
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TimeToLive, DoNotFragment, ReceiveTimeout, and
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TransmitTimeout can be reconfigured without
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stopping the current instance of the EFI UDPv4
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Protocol.
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@retval EFI_ACCESS_DENIED UdpConfigData.AllowDuplicatePort is FALSE and
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UdpConfigData.StationPort is already used by other
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instance.
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@retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate
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memory for this EFI UDPv4 Protocol instance.
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@retval EFI_DEVICE_ERROR An unexpected network or system error occurred and
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this instance was not opened.
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@retval EFI_SUCCESS The configuration settings were set, changed, or reset successfully.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:
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@retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already started/configured
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and must be stopped/reset before it can be reconfigured.
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@retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is FALSE
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and UdpConfigData.StationPort is already used by
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other instance.
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@retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate memory for this
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EFI UDPv4 Protocol instance.
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@retval EFI_DEVICE_ERROR An unexpected network or system error occurred and this instance
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was not opened.
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**/
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EFI_STATUS
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@@ -305,30 +299,32 @@ ON_EXIT:
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/**
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This function is used to enable and disable the multicast group filtering.
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Joins and leaves multicast groups.
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The Groups() function is used to enable and disable the multicast group
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filtering. If the JoinFlag is FALSE and the MulticastAddress is NULL, then all
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currently joined groups are left.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param JoinFlag Set to TRUE to join a multicast group. Set to
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FALSE to leave one or all multicast groups.
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@param MulticastAddress Pointer to multicast group address to join or
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leave.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param JoinFlag Set to TRUE to join a multicast group. Set to FALSE to leave one
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or all multicast groups.
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@param MulticastAddress Pointer to multicast group address to join or leave.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been
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started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
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BOOTP, RARP, etc.) is not finished yet.
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@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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This is NULL. JoinFlag is TRUE and
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MulticastAddress is NULL. JoinFlag is TRUE and
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*MulticastAddress is not a valid multicast
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address.
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@retval EFI_ALREADY_STARTED The group address is already in the group table
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(when JoinFlag is TRUE).
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@retval EFI_NOT_FOUND The group address is not in the group table (when
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JoinFlag is FALSE).
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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RARP, etc.) is not finished yet.
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@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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- This is NULL.
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- JoinFlag is TRUE and MulticastAddress is NULL.
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- JoinFlag is TRUE and *MulticastAddress is not
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a valid multicast address.
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@retval EFI_ALREADY_STARTED The group address is already in the group table (when
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JoinFlag is TRUE).
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@retval EFI_NOT_FOUND The group address is not in the group table (when JoinFlag is
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FALSE).
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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**/
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EFI_STATUS
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@@ -385,7 +381,7 @@ Udp4Groups (
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// Keep a local copy of the configured multicast IPs because IpIo receives
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// datagrams from the 0 station address IP instance and then UDP delivers to
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// the matched instance. This copy of multicast IPs is used to avoid receive
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// the mutlicast datagrams destinated to multicast IPs the other instances configured.
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// the mutlicast datagrams destined to multicast IPs the other instances configured.
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//
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if (JoinFlag) {
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@@ -404,31 +400,41 @@ ON_EXIT:
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/**
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This function adds a route to or deletes a route from the routing table.
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Adds and deletes routing table entries.
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The Routes() function adds a route to or deletes a route from the routing table.
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Routes are determined by comparing the SubnetAddress with the destination IP
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address and arithmetically AND-ing it with the SubnetMask. The gateway address
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must be on the same subnet as the configured station address.
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The default route is added with SubnetAddress and SubnetMask both set to 0.0.0.0.
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The default route matches all destination IP addresses that do not match any
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other routes.
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A zero GatewayAddress is a nonroute. Packets are sent to the destination IP
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address if it can be found in the Address Resolution Protocol (ARP) cache or
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on the local subnet. One automatic nonroute entry will be inserted into the
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routing table for outgoing packets that are addressed to a local subnet
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(gateway address of 0.0.0.0).
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Each instance of the EFI UDPv4 Protocol has its own independent routing table.
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Instances of the EFI UDPv4 Protocol that use the default IP address will also
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have copies of the routing table provided by the EFI_IP4_CONFIG_PROTOCOL. These
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copies will be updated automatically whenever the IP driver reconfigures its
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instances; as a result, the previous modification to these copies will be lost.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param DeleteRoute Set to TRUE to delete this route from the routing
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table. Set to FALSE to add this route to the
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routing table.
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@param SubnetAddress The destination network address that needs to be
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routed.
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@param SubnetMask The subnet mask of SubnetAddress.
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@param GatewayAddress The gateway IP address for this route.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param DeleteRoute Set to TRUE to delete this route from the routing table.
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Set to FALSE to add this route to the routing table.
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@param SubnetAddress The destination network address that needs to be routed.
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@param SubnetMask The subnet mask of SubnetAddress.
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@param GatewayAddress The gateway IP address for this route.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been
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started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
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BOOTP, RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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This is NULL. SubnetAddress is NULL. SubnetMask is
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NULL. GatewayAddress is NULL. SubnetAddress is not
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a valid subnet address. SubnetMask is not a valid
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subnet mask. GatewayAddress is not a valid unicast
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IP address.
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@retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.
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@retval EFI_NOT_FOUND This route is not in the routing table.
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@retval EFI_ACCESS_DENIED The route is already defined in the routing table.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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- RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.
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@retval EFI_NOT_FOUND This route is not in the routing table.
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@retval EFI_ACCESS_DENIED The route is already defined in the routing table.
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**/
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EFI_STATUS
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@@ -468,44 +474,33 @@ Udp4Routes (
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/**
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This function places a sending request to this instance of the EFI UDPv4 Protocol,
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alongside the transmit data that was filled by the user.
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Queues outgoing data packets into the transmit queue.
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The Transmit() function places a sending request to this instance of the EFI
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UDPv4 Protocol, alongside the transmit data that was filled by the user. Whenever
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the packet in the token is sent out or some errors occur, the Token.Event will
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be signaled and Token.Status is updated. Providing a proper notification function
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and context for the event will enable the user to receive the notification and
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transmitting status.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param Token Pointer to the completion token that will be
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placed into the transmit queue.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param Token Pointer to the completion token that will be placed into the
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transmit queue.
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@retval EFI_SUCCESS The data has been queued for transmission.
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@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been
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started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
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BOOTP, RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more of the following are TRUE: This is
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NULL. Token is NULL. Token.Event is NULL.
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Token.Packet.TxData is NULL.
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Token.Packet.TxData.FragmentCount is zero.
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Token.Packet.TxData.DataLength is not equal to the
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sum of fragment lengths. One or more of the
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Token.Packet.TxData.FragmentTable[].
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FragmentLength fields is zero. One or more of the
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Token.Packet.TxData.FragmentTable[].
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FragmentBuffer fields is NULL.
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Token.Packet.TxData. GatewayAddress is not a
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unicast IPv4 address if it is not NULL. One or
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more IPv4 addresses in Token.Packet.TxData.
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UdpSessionData are not valid unicast IPv4
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addresses if the UdpSessionData is not NULL.
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@retval EFI_ACCESS_DENIED The transmit completion token with the same
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Token.Event is already in the transmit queue.
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@retval EFI_NOT_READY The completion token could not be queued because
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the transmit queue is full.
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@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.
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@retval EFI_NOT_FOUND There is no route to the destination network or
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address.
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@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
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packet size. Or the length of the IP header + UDP
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header + data length is greater than MTU if
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DoNotFragment is TRUE.
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@retval EFI_SUCCESS The data has been queued for transmission.
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@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_ACCESS_DENIED The transmit completion token with the same
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Token.Event was already in the transmit queue.
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@retval EFI_NOT_READY The completion token could not be queued because the
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transmit queue is full.
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@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.
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@retval EFI_NOT_FOUND There is no route to the destination network or address.
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@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP packet
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size. Or the length of the IP header + UDP header + data
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length is greater than MTU if DoNotFragment is TRUE.
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**/
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EFI_STATUS
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@@ -704,30 +699,32 @@ ON_EXIT:
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/**
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This function places a completion token into the receive packet queue. This function
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is always asynchronous.
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Places an asynchronous receive request into the receiving queue.
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The Receive() function places a completion token into the receive packet queue.
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This function is always asynchronous.
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The caller must fill in the Token.Event field in the completion token, and this
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field cannot be NULL. When the receive operation completes, the EFI UDPv4 Protocol
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driver updates the Token.Status and Token.Packet.RxData fields and the Token.Event
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is signaled. Providing a proper notification function and context for the event
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will enable the user to receive the notification and receiving status. That
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notification function is guaranteed to not be re-entered.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param Token Pointer to a token that is associated with the
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receive data descriptor.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param Token Pointer to a token that is associated with the receive data
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descriptor.
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@retval EFI_SUCCESS The receive completion token is cached.
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@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been
|
||||
started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
|
||||
BOOTP, RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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This is NULL. Token is NULL. Token.Event is NULL.
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@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued
|
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due to a lack of system resources (usually
|
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memory).
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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The EFI UDPv4 Protocol instance has been reset to
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startup defaults.
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@retval EFI_ACCESS_DENIED A receive completion token with the same
|
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Token.Event is already in the receive queue.
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@retval EFI_NOT_READY The receive request could not be queued because
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the receive queue is full.
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@retval EFI_SUCCESS The receive completion token was cached.
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@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.
|
||||
@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP, RARP, etc.)
|
||||
is not finished yet.
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||||
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
|
||||
@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of system
|
||||
resources (usually memory).
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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@retval EFI_ACCESS_DENIED A receive completion token with the same Token.Event was already in
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the receive queue.
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@retval EFI_NOT_READY The receive request could not be queued because the receive queue is full.
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||||
**/
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||||
EFI_STATUS
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@@ -784,7 +781,7 @@ Udp4Receive (
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Udp4ReportIcmpError (Instance);
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//
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// Try to delivered the received datagrams.
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// Try to deliver the received datagrams.
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||||
//
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||||
Udp4InstanceDeliverDgram (Instance);
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||||
@@ -802,25 +799,31 @@ ON_EXIT:
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||||
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/**
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This function is used to abort a pending transmit or receive request.
|
||||
Aborts an asynchronous transmit or receive request.
|
||||
|
||||
The Cancel() function is used to abort a pending transmit or receive request.
|
||||
If the token is in the transmit or receive request queues, after calling this
|
||||
function, Token.Status will be set to EFI_ABORTED and then Token.Event will be
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||||
signaled. If the token is not in one of the queues, which usually means that
|
||||
the asynchronous operation has completed, this function will not signal the
|
||||
token and EFI_NOT_FOUND is returned.
|
||||
|
||||
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
|
||||
@param Token Pointer to a token that has been issued by
|
||||
EFI_UDP4_PROTOCOL.Transmit() or
|
||||
EFI_UDP4_PROTOCOL.Receive().
|
||||
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
|
||||
@param Token Pointer to a token that has been issued by
|
||||
EFI_UDP4_PROTOCOL.Transmit() or
|
||||
EFI_UDP4_PROTOCOL.Receive().If NULL, all pending
|
||||
tokens are aborted.
|
||||
|
||||
@retval EFI_SUCCESS The asynchronous I/O request is aborted and
|
||||
Token.Event is signaled. When Token is NULL, all
|
||||
pending requests are aborted and their events are
|
||||
signaled.
|
||||
@retval EFI_INVALID_PARAMETER This is NULL.
|
||||
@retval EFI_NOT_STARTED This instance has not been started.
|
||||
@retval EFI_NO_MAPPING When using the default address, configuration
|
||||
(DHCP, BOOTP, RARP, etc.) is not finished yet.
|
||||
@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O
|
||||
request is not found in the transmit or receive
|
||||
queue. It is either completed or not issued by
|
||||
Transmit() or Receive().
|
||||
@retval EFI_SUCCESS The asynchronous I/O request was aborted and Token.Event
|
||||
was signaled. When Token is NULL, all pending requests are
|
||||
aborted and their events are signaled.
|
||||
@retval EFI_INVALID_PARAMETER This is NULL.
|
||||
@retval EFI_NOT_STARTED This instance has not been started.
|
||||
@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,
|
||||
RARP, etc.) is not finished yet.
|
||||
@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O request was
|
||||
not found in the transmit or receive queue. It has either completed
|
||||
or was not issued by Transmit() and Receive().
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
@@ -856,7 +859,7 @@ Udp4Cancel (
|
||||
Status = Udp4InstanceCancelToken (Instance, Token);
|
||||
|
||||
//
|
||||
// Dispatch the DPC queued by the NotifyFunction of the canceled token's events.
|
||||
// Dispatch the DPC queued by the NotifyFunction of the cancelled token's events.
|
||||
//
|
||||
NetLibDispatchDpc ();
|
||||
|
||||
@@ -867,16 +870,23 @@ Udp4Cancel (
|
||||
|
||||
|
||||
/**
|
||||
This function can be used by network drivers and applications to increase the rate that
|
||||
data packets are moved between the communications device and the transmit/receive queues.
|
||||
Argumens:
|
||||
This - Pointer to the EFI_UDP4_PROTOCOL instance.
|
||||
Polls for incoming data packets and processes outgoing data packets.
|
||||
|
||||
The Poll() function can be used by network drivers and applications to increase
|
||||
the rate that data packets are moved between the communications device and the
|
||||
transmit and receive queues.
|
||||
In some systems, the periodic timer event in the managed network driver may not
|
||||
poll the underlying communications device fast enough to transmit and/or receive
|
||||
all data packets without missing incoming packets or dropping outgoing packets.
|
||||
Drivers and applications that are experiencing packet loss should try calling
|
||||
the Poll() function more often.
|
||||
|
||||
@retval EFI_SUCCESS Incoming or outgoing data was processed.
|
||||
@retval EFI_INVALID_PARAMETER This is NULL.
|
||||
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
|
||||
@retval EFI_TIMEOUT Data was dropped out of the transmit and/or
|
||||
receive queue.
|
||||
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
|
||||
|
||||
@retval EFI_SUCCESS Incoming or outgoing data was processed.
|
||||
@retval EFI_INVALID_PARAMETER This is NULL.
|
||||
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
|
||||
@retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
|
Reference in New Issue
Block a user