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authorIngo Molnar <mingo@kernel.org>2022-09-21 09:58:02 +0200
committerIngo Molnar <mingo@kernel.org>2022-09-21 09:58:02 +0200
commit74656d03ac36fabb16b9df5221cf398ee3a9ca08 (patch)
tree0600e619ac817e2c016c148810814f55280316cc /include/uapi/linux/virtio_net.h
parent0d97db026509c1a13f732b22670ab1f0ac9d8d87 (diff)
parent521a547ced6477c54b4b0cc206000406c221b4d6 (diff)
Merge tag 'v6.0-rc6' into locking/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/uapi/linux/virtio_net.h')
-rw-r--r--include/uapi/linux/virtio_net.h34
1 files changed, 33 insertions, 1 deletions
diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index 3f55a4215f11..6cb842ea8979 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h
@@ -56,7 +56,7 @@
#define VIRTIO_NET_F_MQ 22 /* Device supports Receive Flow
* Steering */
#define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */
-
+#define VIRTIO_NET_F_NOTF_COAL 53 /* Device supports notifications coalescing */
#define VIRTIO_NET_F_HASH_REPORT 57 /* Supports hash report */
#define VIRTIO_NET_F_RSS 60 /* Supports RSS RX steering */
#define VIRTIO_NET_F_RSC_EXT 61 /* extended coalescing info */
@@ -355,4 +355,36 @@ struct virtio_net_hash_config {
#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5
#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0
+/*
+ * Control notifications coalescing.
+ *
+ * Request the device to change the notifications coalescing parameters.
+ *
+ * Available with the VIRTIO_NET_F_NOTF_COAL feature bit.
+ */
+#define VIRTIO_NET_CTRL_NOTF_COAL 6
+/*
+ * Set the tx-usecs/tx-max-packets parameters.
+ */
+struct virtio_net_ctrl_coal_tx {
+ /* Maximum number of packets to send before a TX notification */
+ __le32 tx_max_packets;
+ /* Maximum number of usecs to delay a TX notification */
+ __le32 tx_usecs;
+};
+
+#define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0
+
+/*
+ * Set the rx-usecs/rx-max-packets parameters.
+ */
+struct virtio_net_ctrl_coal_rx {
+ /* Maximum number of packets to receive before a RX notification */
+ __le32 rx_max_packets;
+ /* Maximum number of usecs to delay a RX notification */
+ __le32 rx_usecs;
+};
+
+#define VIRTIO_NET_CTRL_NOTF_COAL_RX_SET 1
+
#endif /* _UAPI_LINUX_VIRTIO_NET_H */