diff options
Diffstat (limited to 'NetworkPkg')
-rw-r--r-- | NetworkPkg/TcpDxe/TcpInput.c | 94 |
1 files changed, 55 insertions, 39 deletions
diff --git a/NetworkPkg/TcpDxe/TcpInput.c b/NetworkPkg/TcpDxe/TcpInput.c index e63469a..d0118f1 100644 --- a/NetworkPkg/TcpDxe/TcpInput.c +++ b/NetworkPkg/TcpDxe/TcpInput.c @@ -1,7 +1,7 @@ /** @file
TCP input process routines.
- Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -531,8 +531,8 @@ TcpDeliverData ( Urgent = 0;
if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RCVD_URG) &&
- TCP_SEQ_LEQ (Seg->Seq, Tcb->RcvUp)
- ) {
+ TCP_SEQ_LEQ (Seg->Seq, Tcb->RcvUp))
+ {
if (TCP_SEQ_LEQ (Seg->End, Tcb->RcvUp)) {
Urgent = Nbuf->TotalSize;
@@ -596,8 +596,7 @@ TcpQueueData ( //
for (Prev = Head, Cur = Head->ForwardLink;
Cur != Head;
- Prev = Cur, Cur = Cur->ForwardLink
- ) {
+ Prev = Cur, Cur = Cur->ForwardLink) {
Node = NET_LIST_USER_STRUCT (Cur, NET_BUF, List);
@@ -753,7 +752,7 @@ TcpInput ( if ((Head->HeadLen < 5) || (Len < 0)) {
- DEBUG ((EFI_D_INFO, "TcpInput: received an mal-formated packet\n"));
+ DEBUG ((EFI_D_INFO, "TcpInput: received a malformed packet\n"));
goto DISCARD;
}
@@ -788,7 +787,7 @@ TcpInput ( );
if ((Tcb == NULL) || (Tcb->State == TCP_CLOSED)) {
- DEBUG ((EFI_D_INFO, "TcpInput: send reset because no TCB find\n"));
+ DEBUG ((EFI_D_INFO, "TcpInput: send reset because no TCB found\n"));
Tcb = NULL;
goto SEND_RESET;
@@ -803,7 +802,7 @@ TcpInput ( if (TcpParseOption (Nbuf->Tcp, &Option) == -1) {
DEBUG (
(EFI_D_ERROR,
- "TcpInput: reset the peer because of mal-format option for Tcb %p\n",
+ "TcpInput: reset the peer because of malformed option for TCB %p\n",
Tcb)
);
@@ -860,7 +859,7 @@ TcpInput ( if (Tcb == NULL) {
DEBUG (
(EFI_D_ERROR,
- "TcpInput: discard a segment because failed to clone a child for TCB%p\n",
+ "TcpInput: discard a segment because failed to clone a child for TCB %p\n",
Tcb)
);
@@ -940,7 +939,7 @@ TcpInput ( //
//
- // Fourth step: Check SYN. Pay attention to sitimulatous open
+ // Fourth step: Check SYN. Pay attention to simultaneous open
//
if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
@@ -961,8 +960,8 @@ TcpInput ( TcpDeliverData (Tcb);
if ((Tcb->CongestState == TCP_CONGEST_OPEN) &&
- TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RTT_ON)
- ) {
+ TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RTT_ON))
+ {
TcpComputeRtt (Tcb, Tcb->RttMeasure);
TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_RTT_ON);
@@ -992,7 +991,7 @@ TcpInput ( DEBUG (
(EFI_D_WARN,
- "TcpInput: simultanous open for TCB %p in SYN_SENT\n",
+ "TcpInput: simultaneous open for TCB %p in SYN_SENT\n",
Tcb)
);
@@ -1034,8 +1033,8 @@ TcpInput ( if ((TCP_SEQ_LT (Seg->Seq, Tcb->RcvWl2)) &&
(Tcb->RcvWl2 == Seg->End) &&
- !TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN | TCP_FLG_FIN)
- ) {
+ !TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN | TCP_FLG_FIN))
+ {
TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
}
@@ -1058,10 +1057,10 @@ TcpInput ( // if it comes from a LISTEN TCB.
//
} else if ((Tcb->State == TCP_ESTABLISHED) ||
- (Tcb->State == TCP_FIN_WAIT_1) ||
- (Tcb->State == TCP_FIN_WAIT_2) ||
- (Tcb->State == TCP_CLOSE_WAIT)
- ) {
+ (Tcb->State == TCP_FIN_WAIT_1) ||
+ (Tcb->State == TCP_FIN_WAIT_2) ||
+ (Tcb->State == TCP_CLOSE_WAIT))
+ {
SOCK_ERROR (Tcb->Sk, EFI_CONNECTION_RESET);
@@ -1114,7 +1113,9 @@ TcpInput ( if (Tcb->State == TCP_SYN_RCVD) {
- if (TCP_SEQ_LT (Tcb->SndUna, Seg->Ack) && TCP_SEQ_LEQ (Seg->Ack, Tcb->SndNxt)) {
+ if (TCP_SEQ_LT (Tcb->SndUna, Seg->Ack) &&
+ TCP_SEQ_LEQ (Seg->Ack, Tcb->SndNxt))
+ {
Tcb->SndWnd = Seg->Wnd;
Tcb->SndWndMax = MAX (Tcb->SndWnd, Tcb->SndWndMax);
@@ -1127,7 +1128,7 @@ TcpInput ( DEBUG (
(EFI_D_INFO,
- "TcpInput: connection established for TCB %p in SYN_RCVD\n",
+ "TcpInput: connection established for TCB %p in SYN_RCVD\n",
Tcb)
);
@@ -1176,7 +1177,9 @@ TcpInput ( // RcvWl2 equals to the variable "LastAckSent"
// defined there.
//
- if (TCP_SEQ_LEQ (Seg->Seq, Tcb->RcvWl2) && TCP_SEQ_LT (Tcb->RcvWl2, Seg->End)) {
+ if (TCP_SEQ_LEQ (Seg->Seq, Tcb->RcvWl2) &&
+ TCP_SEQ_LT (Tcb->RcvWl2, Seg->End))
+ {
Tcb->TsRecent = Option.TSVal;
Tcb->TsRecentAge = mTcpTick;
@@ -1206,8 +1209,8 @@ TcpInput ( if ((Seg->Ack == Tcb->SndUna) &&
(Tcb->SndUna != Tcb->SndNxt) &&
(Seg->Wnd == Tcb->SndWnd) &&
- (0 == Len)
- ) {
+ (0 == Len))
+ {
Tcb->DupAck++;
} else {
@@ -1219,8 +1222,8 @@ TcpInput ( // Congestion avoidance, fast recovery and fast retransmission.
//
if (((Tcb->CongestState == TCP_CONGEST_OPEN) && (Tcb->DupAck < 3)) ||
- (Tcb->CongestState == TCP_CONGEST_LOSS)
- ) {
+ (Tcb->CongestState == TCP_CONGEST_LOSS))
+ {
if (TCP_SEQ_GT (Seg->Ack, Tcb->SndUna)) {
@@ -1249,8 +1252,8 @@ TcpInput ( Tcb->SndUna = Seg->Ack;
if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_SND_URG) &&
- TCP_SEQ_LT (Tcb->SndUp, Seg->Ack)
- ) {
+ TCP_SEQ_LT (Tcb->SndUp, Seg->Ack))
+ {
TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);
}
@@ -1260,8 +1263,8 @@ TcpInput ( // Update window info
//
if (TCP_SEQ_LT (Tcb->SndWl1, Seg->Seq) ||
- ((Tcb->SndWl1 == Seg->Seq) && TCP_SEQ_LEQ (Tcb->SndWl2, Seg->Ack))
- ) {
+ ((Tcb->SndWl1 == Seg->Seq) && TCP_SEQ_LEQ (Tcb->SndWl2, Seg->Ack)))
+ {
Right = Seg->Ack + Seg->Wnd;
@@ -1269,8 +1272,8 @@ TcpInput ( if ((Tcb->SndWl1 == Seg->Seq) &&
(Tcb->SndWl2 == Seg->Ack) &&
- (Len == 0)
- ) {
+ (Len == 0))
+ {
goto NO_UPDATE;
}
@@ -1281,12 +1284,16 @@ TcpInput ( Tcb)
);
- if ((Tcb->CongestState == TCP_CONGEST_RECOVER) && (TCP_SEQ_LT (Right, Tcb->Recover))) {
+ if ((Tcb->CongestState == TCP_CONGEST_RECOVER) &&
+ (TCP_SEQ_LT (Right, Tcb->Recover)))
+ {
Tcb->Recover = Right;
}
- if ((Tcb->CongestState == TCP_CONGEST_LOSS) && (TCP_SEQ_LT (Right, Tcb->LossRecover))) {
+ if ((Tcb->CongestState == TCP_CONGEST_LOSS) &&
+ (TCP_SEQ_LT (Right, Tcb->LossRecover)))
+ {
Tcb->LossRecover = Right;
}
@@ -1311,7 +1318,9 @@ TcpInput ( NO_UPDATE:
- if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_SENT) && (Tcb->SndUna == Tcb->SndNxt)) {
+ if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_SENT) &&
+ (Tcb->SndUna == Tcb->SndNxt))
+ {
DEBUG (
(EFI_D_INFO,
@@ -1417,7 +1426,9 @@ StepSix: Urg = Seg->Seq + Seg->Urg;
- if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RCVD_URG) && TCP_SEQ_GT (Urg, Tcb->RcvUp)) {
+ if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RCVD_URG) &&
+ TCP_SEQ_GT (Urg, Tcb->RcvUp))
+ {
Tcb->RcvUp = Urg;
} else {
@@ -1480,8 +1491,8 @@ StepSix: if ((Tcb->State != TCP_CLOSED) &&
(TcpToSendData (Tcb, 0) == 0) &&
- (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW) || (Nbuf->TotalSize != 0))
- ) {
+ (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW) || (Nbuf->TotalSize != 0)))
+ {
TcpToSendAck (Tcb);
}
@@ -1574,7 +1585,12 @@ TcpIcmpInput ( goto CLEAN_EXIT;
}
- IcmpErrStatus = IpIoGetIcmpErrStatus (IcmpErr, Tcb->Sk->IpVersion, &IcmpErrIsHard, &IcmpErrNotify);
+ IcmpErrStatus = IpIoGetIcmpErrStatus (
+ IcmpErr,
+ Tcb->Sk->IpVersion,
+ &IcmpErrIsHard,
+ &IcmpErrNotify
+ );
if (IcmpErrNotify) {
|