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synced function header

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6595 6f19259b-4bc3-4df7-8a09-765794883524
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jgong5
2008-11-18 09:29:44 +00:00
parent d9ef3b7dc4
commit 2ff2921247
13 changed files with 954 additions and 98 deletions
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41
MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Option.h
View File

@@ -34,19 +34,50 @@ typedef enum {
IP4_OPTION_COPY_MASK = 0x80
} IP4_OPTION_ENUM_TYPES;
/**
Validate the IP4 option format for both the packets we received
and will transmit. It will compute the ICMP error message fields
if the option is mal-formated. But this information isn't used.
@param Option The first byte of the option
@param OptionLen The length of the whole option
@param Rcvd The option is from the packet we received if TRUE,
otherwise the option we wants to transmit.
@retval TRUE The option is properly formatted
@retval FALSE The option is mal-formated
**/
BOOLEAN
Ip4OptionIsValid (
IN UINT8 *Option,
IN UINT32 OptLen,
IN UINT32 OptionLen,
IN BOOLEAN Rcvd
);
/**
Copy the option from the original option to buffer. It
handles the details such as:
1. whether copy the single IP4 option to the first/non-first
fragments.
2. Pad the options copied over to aligned to 4 bytes.
@param Option The original option to copy from
@param OptionLen The length of the original option
@param FirstFragment Whether it is the first fragment
@param Buf The buffer to copy options to. NULL
@param BufLen The length of the buffer
@retval EFI_SUCCESS The options are copied over
@retval EFI_BUFFER_TOO_SMALL Buf is NULL or BufLen provided is too small.
**/
EFI_STATUS
Ip4CopyOption (
IN UINT8 *Option,
IN UINT32 OptLen,
IN BOOLEAN Fragment,
IN UINT8 *Buf, OPTIONAL
IN UINT8 *Option,
IN UINT32 OptionLen,
IN BOOLEAN FirstFragment,
IN OUT UINT8 *Buf, OPTIONAL
IN OUT UINT32 *BufLen
);
#endif