Revert "content: document speed, duplex"

This reverts commit 72a801b9a53a4aeca759458c50be67cc32914a71.
Pushed by mistake.

1 files changed, 0 insertions, 33 deletions

diff --git a/content.tex b/content.tex
index ad50c9b..535a3f4 100644
--- a/content.tex
+++ b/content.tex
@@ -2897,7 +2897,6 @@ features.
 
 \item[VIRTIO_NET_F_STANDBY(62)] Device may act as a standby for a primary
     device with the same MAC address.
-\item[VIRTIO_NET_F_SPEED_DUPLEX(63)] Device reports speed and duplex.
 \end{description}
 
 \subsubsection{Feature bit requirements}\label{sec:Device Types / Network Device / Feature bits / Feature bit requirements}
@@ -2957,27 +2956,12 @@ The following driver-read-only field, \field{mtu} only exists if
 VIRTIO_NET_F_MTU is set. This field specifies the maximum MTU for the driver to
 use.
 
-The following two fields, \field{speed} and \field{duplex}, only
-exist if VIRTIO_NET_F_SPEED_DUPLEX is set.
-
-\field{speed} contains the device speed, in units of 1 MByte, 0
-to 0x7ffffffff, or 0xfffffffff for unknown speed.
-
-\field{duplex} has the values of 0x00 for full duplex, 0x01 for
-half duplex and 0xff for unknown duplex state.
-
-Neither \field{speed} not \field{duplex} changes as long as
-VIRTIO_NET_S_LINK_UP is set.
-
 \begin{lstlisting}
 struct virtio_net_config {
         u8 mac[6];
         le16 status;
         le16 max_virtqueue_pairs;
         le16 mtu;
-        le32 speed;
-        u8 duplex;
-
 };
 \end{lstlisting}
 
@@ -3006,18 +2990,6 @@ negotiated.
 If the driver negotiates the VIRTIO_NET_F_STANDBY feature, the device MAY act
 as a standby device for a primary device with the same MAC address.
 
-If VIRTIO_NET_F_SPEED_DUPLEX has been negotiated, \field{speed}
-MUST contain the device speed, in units of 1 MByte, 0 to
-0x7ffffffff, or 0xfffffffff for unknown.
-
-If VIRTIO_NET_F_SPEED_DUPLEX has been negotiated, \field{duplex}
-MUST have the values of 0x00 for full duplex, 0x01 for half
-duplex and 0xff for unknown.
-
-If VIRTIO_NET_F_SPEED_DUPLEX has been negotiated, the device MUST
-NOT change the \field{speed} and \field{duplex} fields as long as
-VIRTIO_NET_S_LINK_UP is set in the \field{status}.
-
 \drivernormative{\subsubsection}{Device configuration layout}{Device Types / Network Device / Device configuration layout}
 
 A driver SHOULD negotiate VIRTIO_NET_F_MAC if the device offers it.
@@ -3042,11 +3014,6 @@ with \field{gso_type} NONE or ECN.
 
 A driver SHOULD negotiate the VIRTIO_NET_F_STANDBY feature if the device offers it.
 
-If VIRTIO_NET_F_SPEED_DUPLEX has been negotiated,
-the driver MUST treat any value of \field{speed} above
-0x7fffffff as well as any value of \field{duplex} not
-matching 0x00 or 0x01 as an unknown value.
-
 \subsubsection{Legacy Interface: Device configuration layout}\label{sec:Device Types / Network Device / Device configuration layout / Legacy Interface: Device configuration layout}
 \label{sec:Device Types / Block Device / Feature bits / Device configuration layout / Legacy Interface: Device configuration layout}
 When using the legacy interface, transitional devices and drivers