[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC Patch 01/10] 'Segment', 'Chain' and 'Status' enumerat
From: |
wexu |
Subject: |
[Qemu-devel] [RFC Patch 01/10] 'Segment', 'Chain' and 'Status' enumeration data structure. |
Date: |
Tue, 26 Jan 2016 06:24:41 +0800 |
Signed-off-by: Wei Xu <address@hidden>
---
include/hw/virtio/virtio.h | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 205fadf..1383220 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -127,6 +127,38 @@ typedef struct VirtioDeviceClass {
int (*load)(VirtIODevice *vdev, QEMUFile *f, int version_id);
} VirtioDeviceClass;
+/* Coalesced packets type & status */
+typedef enum {
+ RSC_COALESCE, /* Data been coalesced */
+ RSC_FINAL, /* Will terminate current connection */
+ RSC_NO_MATCH, /* No matched in the buffer pool */
+ RSC_BYPASS, /* Packet to be bypass, not tcp, tcp ctrl, etc */
+ RSC_WANT /* Data want to be coalesced */
+} COALESCE_STATUS;
+
+/* Coalesced segmant */
+typedef struct NetRscSeg {
+ QTAILQ_ENTRY(NetRscSeg) next;
+ void *buf;
+ size_t size;
+ uint32_t dup_ack_count;
+ bool is_coalesced; /* need recal ipv4 header checksum, mark here */
+ NetClientState *nc;
+} NetRscSeg;
+
+/* Receive callback for ipv4/6 */
+typedef size_t (VirtioNetReceive) (void *,
+ NetClientState *, const uint8_t *, size_t);
+
+/* Chain is divided by protocol(ipv4/v6) and NetClientInfo */
+typedef struct NetRscChain {
+ QTAILQ_ENTRY(NetRscChain) next;
+ uint16_t proto;
+ VirtioNetReceive *do_receive;
+ QEMUTimer *drain_timer;
+ QTAILQ_HEAD(, NetRscSeg) buffers;
+} NetRscChain;
+
void virtio_instance_init_common(Object *proxy_obj, void *data,
size_t vdev_size, const char *vdev_name);
--
2.4.0
- [Qemu-devel] [RFC 0/10] Support Receive-Segment-Offload(RSC) for WHQL test of Window guest, wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 02/10] Initilize & Cleanup., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 10/10] Statistics., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 01/10] 'Segment', 'Chain' and 'Status' enumeration data structure.,
wexu <=
- [Qemu-devel] [RFC Patch 03/10] Chain lookup and packets caching., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 05/10] The draining timer, create a timer to purge the packets from the cached pool., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 07/10] TCP control packet handling., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 06/10] IPv4 checksum., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 04/10] Tcp general data coalescing, the parameters is a little bit horrible, it's complicated to read, should can be optimized later., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 08/10] Sanity check & More bypass cases check., wexu, 2016/01/25
- [Qemu-devel] [RFC Patch 09/10] IPv6 support., wexu, 2016/01/25
- Re: [Qemu-devel] [RFC 0/10] Support Receive-Segment-Offload(RSC) for WHQL test of Window guest, Fam Zheng, 2016/01/26