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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7125 6f19259b-4bc3-4df7-8a09-765794883524

This commit is contained in:
niry 2008-12-25 14:17:24 +00:00
parent 32cf7c7383
commit 9bc4edf21a
1 changed files with 25 additions and 26 deletions
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49
MdeModulePkg/Library/DxeNetLib/NetBuffer.c
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@ -137,11 +137,11 @@ FreeNBuf:
} }
/** /**
Free the vector. Free the net vector.
Decrease the reference count of the vector by one. The real resource free Decrease the reference count of the net vector by one. The real resource free
operation isn't performed until the reference count of the vector is decreased operation isn't performed until the reference count of the net vector is
to 0. decreased to 0.
@param[in] Vector Pointer to the NET_VECTOR to be freed. @param[in] Vector Pointer to the NET_VECTOR to be freed.
@ -190,11 +190,11 @@ NetbufFreeVector (
/** /**
Free the net buffer and its associated NET_VECTOR. Free the net buffer and its associated NET_VECTOR.
Decrease the reference count of the net buffer by one. Free the associated Decrease the reference count of the net buffer by one. Free the associated net
vector and itself if the reference count of the net buffer is decreased to 0. vector and itself if the reference count of the net buffer is decreased to 0.
The vector free operation just decrease the reference count of the vector by The net vector free operation just decrease the reference count of the net
one and do the real resource free operation when the reference count of the vector by one and do the real resource free operation when the reference count
vector is 0. of the net vector is 0.
@param[in] Nbuf Pointer to the NET_BUF to be freed. @param[in] Nbuf Pointer to the NET_BUF to be freed.
@ -323,7 +323,7 @@ NetbufDuplicate (
Free a list of net buffers. Free a list of net buffers.
@param[in, out] Head Pointer to the head of linked net buffers. @param[in, out] Head Pointer to the head of linked net buffers.
NOT YET
**/ **/
VOID VOID
EFIAPI EFIAPI
@ -362,8 +362,8 @@ NetbufFreeList (
@param[out] Index Index of the NET_BLOCK_OP that contains the byte at @param[out] Index Index of the NET_BLOCK_OP that contains the byte at
Offset. Offset.
@return Pointer to the nth byte of data in the net buffer, or NULL @return Pointer to the Offset'th byte of data in the net buffer, or NULL
indicating there is no such data in the net buffer. if there is no such data in the net buffer.
**/ **/
UINT8 * UINT8 *
@ -486,13 +486,13 @@ NetbufSetBlockOp (
/** /**
Helper function for NetbufClone. It is necessary because NetbufGetFragment Helper function for NetbufGetFragment. NetbufGetFragment may allocate the
may allocate the first block to accomodate the HeadSpace and HeadLen. So, it first block to reserve HeadSpace bytes header space. So it needs to create a
need to create a new NET_VECTOR. But, we want to avoid data copy by sharing new net vector for the first block and can avoid copy for the remaining data
the old NET_VECTOR. by sharing the old net vector.
@param[in] Arg Point to the old NET_VECTOR. @param[in] Arg Point to the old NET_VECTOR.
NOT YET
**/ **/
VOID VOID
NetbufGetFragmentFree ( NetbufGetFragmentFree (
@ -520,8 +520,8 @@ NetbufGetFragmentFree (
@param[in] Len Bytes of data to be included in the new net buffer. @param[in] Len Bytes of data to be included in the new net buffer.
@param[in] HeadSpace Bytes of head space to reserve for protocol header. @param[in] HeadSpace Bytes of head space to reserve for protocol header.
@return Pointer to the cloned net buffer, or NULL indicating @return Pointer to the cloned net buffer, or NULL if the
the allocation failed due to resource limit. allocation failed due to resource limit.
**/ **/
NET_BUF * NET_BUF *
@ -631,7 +631,7 @@ NetbufGetFragment (
Vector->Len = HeadSpace; Vector->Len = HeadSpace;
// //
//Reserve the head space in the first block // Reserve the head space in the first block
// //
NetbufSetBlock (Child, FirstBulk, HeadSpace, 0); NetbufSetBlock (Child, FirstBulk, HeadSpace, 0);
Child->BlockOp[0].Head += HeadSpace; Child->BlockOp[0].Head += HeadSpace;
@ -709,8 +709,8 @@ FreeChild:
called. called.
@return Pointer to the net buffer built from the data blocks, @return Pointer to the net buffer built from the data blocks,
or NULL indicating the allocation failed due to or NULL if the allocation failed due to resource
resource limit. limit.
**/ **/
NET_BUF * NET_BUF *
@ -1034,7 +1034,7 @@ NetbufReserve (
from head (TRUE) or tail (FALSE). from head (TRUE) or tail (FALSE).
@return Pointer to the first byte of the allocated buffer, @return Pointer to the first byte of the allocated buffer,
or NULL indicating there is no sufficient space. or NULL if there is no sufficient space.
**/ **/
UINT8* UINT8*
@ -1420,8 +1420,7 @@ NetbufQueAppend (
@param[in, out] NbufQue Pointer to the net buffer queue. @param[in, out] NbufQue Pointer to the net buffer queue.
@return Pointer to the net buffer removed from the specific queue, @return Pointer to the net buffer removed from the specific queue,
or NULL indicating there is no net buffer in the specific or NULL if there is no net buffer in the specific queue.
queue.
**/ **/
NET_BUF * NET_BUF *
@ -1460,7 +1459,7 @@ NetbufQueRemove (
@param[in] Len Length of the data to copy. @param[in] Len Length of the data to copy.
@param[out] Dest The destination of the data to copy to. @param[out] Dest The destination of the data to copy to.
@return The length of the actual copied data, or 0 indicating the offset @return The length of the actual copied data, or 0 if the offset
specified exceeds the total size of net buffer queue. specified exceeds the total size of net buffer queue.
**/ **/