diff options
| author | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-01-23 01:58:05 +0000 |
|---|---|---|
| committer | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-01-23 01:58:05 +0000 |
| commit | 6779cafec5cbbffc6f6eb6ba3ef7f213124fa2b5 (patch) | |
| tree | b0e2fdf1e50c23082af5c863b3f3572e7644feae /content.tex | |
| parent | 75f991bc5eae472cdee81bb1b0cc50cc50f09405 (diff) | |
Michael's patch adding MQ support added some u16s; they are u16 in
legacy mode but should be le16 for modern devices.
Signed-off-by: Rusty Russell <rusty@au1.ibm.com>
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@190 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
Diffstat (limited to 'content.tex')
| -rw-r--r-- | content.tex | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/content.tex b/content.tex index 803615d..b038b0c 100644 --- a/content.tex +++ b/content.tex @@ -2440,12 +2440,12 @@ is negotiated. Legal values for this field are 1 to 0x8000. struct virtio_net_config { u8 mac[6]; le16 status; - u16 max_virtqueue_pairs; + le16 max_virtqueue_pairs; }; \end{lstlisting} \subsubsection{Legacy Interface: Device configuration layout}\label{sec:Device Types / Network Device / Device configuration layout / Legacy Interface: Device configuration layout} -For legacy devices, the status field in struct virtio_net_config is the +For legacy devices, the status and max_virtqueue_pairs fields in struct virtio_net_config are the native endian of the guest rather than (necessarily) little-endian. @@ -2851,7 +2851,7 @@ depending on the packet flow. \begin{lstlisting} struct virtio_net_ctrl_mq { - u16 virtqueue_pairs; + le16 virtqueue_pairs; }; #define VIRTIO_NET_CTRL_MQ 4 @@ -2884,6 +2884,10 @@ transmitq1..transmitqN (i.e. other than transmitq0); accordingly, the driver MUST NOT transmit new packets on virtqueues other than transmitq0. +\subparagraph{Legacy Interface: Automatic receive steering in multiqueue mode}\label{sec:Device Types / Network Device / Device Operation / Control Virtqueue / Automatic receive steering in multiqueue mode / Legacy Interface: Automatic receive steering in multiqueue mode} +For legacy devices, the virtqueue_paris field is in the +native endian of the guest rather than (necessarily) little-endian. + \paragraph{Offloads State Configuration}\label{sec:Device Types / Network Device / Device Operation / Control Virtqueue / Offloads State Configuration} If the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature is negotiated, the driver can |