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renamed TCP's TSval/TSecr

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21014 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Hugo Santos 2007-05-04 11:27:00 +00:00
parent 336ce7039c
commit 785e7ef7dd
4 changed files with 16 additions and 15 deletions
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12
src/add-ons/kernel/network/protocols/tcp/TCPEndpoint.cpp
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@ -236,7 +236,7 @@ TCPEndpoint::TCPEndpoint(net_socket *socket)
fRoundTripTime(TCP_INITIAL_RTT / kTimestampFactor),
fRoundTripDeviation(TCP_INITIAL_RTT / kTimestampFactor),
fRetransmitTimeout(TCP_INITIAL_RTT),
fReceivedTSval(0),
fReceivedTimestamp(0),
fCongestionWindow(0),
fSlowStartThreshold(0),
fState(CLOSED),
@ -1120,8 +1120,8 @@ TCPEndpoint::_SendQueued(bool force, uint32 sendWindow)
if ((fOptions & TCP_NOOPT) == 0) {
if (fFlags & FLAG_OPTION_TIMESTAMP) {
segment.options |= TCP_HAS_TIMESTAMPS;
segment.TSecr = fReceivedTSval;
segment.TSval = tcp_now();
segment.TimestampReply = fReceivedTimestamp;
segment.TimestampValue = tcp_now();
}
if ((segment.flags & TCP_FLAG_SYNCHRONIZE)
@ -1579,7 +1579,7 @@ TCPEndpoint::_UpdateTimestamps(tcp_segment_header &segment,
if ((fLastAcknowledgeSent >= sequence
&& fLastAcknowledgeSent < (sequence + segmentLength)))
fReceivedTSval = segment.TSval;
fReceivedTimestamp = segment.TimestampValue;
}
}
@ -1650,7 +1650,7 @@ TCPEndpoint::_PrepareReceivePath(tcp_segment_header &segment)
if (segment.options & TCP_HAS_TIMESTAMPS) {
fFlags |= FLAG_OPTION_TIMESTAMP;
fReceivedTSval = segment.TSval;
fReceivedTimestamp = segment.TimestampValue;
} else
fFlags &= ~FLAG_OPTION_TIMESTAMP;
}
@ -1715,7 +1715,7 @@ TCPEndpoint::_Acknowledged(tcp_segment_header &segment)
// this ACK acknowledged data
if (segment.options & TCP_HAS_TIMESTAMPS)
_UpdateSRTT(tcp_diff_timestamp(segment.TSecr));
_UpdateSRTT(tcp_diff_timestamp(segment.TimestampReply));
else {
// TODO Fallback to RFC 793 type estimation
}

2
src/add-ons/kernel/network/protocols/tcp/TCPEndpoint.h
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@ -162,7 +162,7 @@ class TCPEndpoint : public net_protocol, public ProtocolSocket {
int32 fRoundTripDeviation;
bigtime_t fRetransmitTimeout;
uint32 fReceivedTSval;
uint32 fReceivedTimestamp;
uint32 fCongestionWindow;
uint32 fSlowStartThreshold;

9
src/add-ons/kernel/network/protocols/tcp/tcp.cpp
View File

@ -134,9 +134,9 @@ add_options(tcp_segment_header &segment, uint8 *buffer, size_t bufferSize)
bump_option(option, length);
option->kind = TCP_OPTION_TIMESTAMP;
option->length = 10;
option->timestamp.TSval = htonl(segment.TSval);
option->timestamp.TimestampValue = htonl(segment.TimestampValue);
// TSecr is opaque to us, we send it as we received it.
option->timestamp.TSecr = segment.TSecr;
option->timestamp.TimestampReply = segment.TimestampReply;
bump_option(option, length);
}
@ -307,8 +307,9 @@ process_options(tcp_segment_header &segment, net_buffer *buffer, size_t size)
case TCP_OPTION_TIMESTAMP:
if (option->length == 10 && (size - 10) >= 0) {
segment.options |= TCP_HAS_TIMESTAMPS;
segment.TSval = option->timestamp.TSval;
segment.TSecr = ntohl(option->timestamp.TSecr);
segment.TimestampValue = option->timestamp.TimestampValue;
segment.TimestampReply =
ntohl(option->timestamp.TimestampReply);
}
break;
case TCP_OPTION_SACK_PERMITTED:

8
src/add-ons/kernel/network/protocols/tcp/tcp.h
View File

@ -118,8 +118,8 @@ struct tcp_option {
uint8 window_shift;
uint16 max_segment_size;
struct {
uint32 TSval;
uint32 TSecr;
uint32 TimestampValue;
uint32 TimestampReply;
} timestamp;
tcp_sack sack[0];
};
@ -161,8 +161,8 @@ struct tcp_segment_header {
uint8 window_shift;
uint16 max_segment_size;
uint32 TSval;
uint32 TSecr;
uint32 TimestampValue;
uint32 TimestampReply;
tcp_sack *sacks;
int sack_count;