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[v5,02/12] net: Add a 'do_not_pad" to NetClientState

Message ID 20210317062638.72626-3-bmeng.cn@gmail.com
State New
Headers show
Series net: Pad short frames for network backends | expand

Commit Message

Bin Meng March 17, 2021, 6:26 a.m. UTC
This adds a flag in NetClientState, so that a net client can tell
its peer that the packets do not need to be padded to the minimum
size of an Ethernet frame (60 bytes) before sending to it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>


(no changes since v3)

Changes in v3:
- add a comment to 'do_not_pad'

 include/net/net.h | 1 +
 1 file changed, 1 insertion(+)
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diff --git a/include/net/net.h b/include/net/net.h
index a02949f6db..3559f3ca19 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -103,6 +103,7 @@  struct NetClientState {
     int vring_enable;
     int vnet_hdr_len;
     bool is_netdev;
+    bool do_not_pad; /* do not pad to the minimum ethernet frame length */
     QTAILQ_HEAD(, NetFilterState) filters;