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| author | Ronak Doshi <doshir@vmware.com> | 2022-06-07 20:23:51 -0700 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-06-09 12:42:01 +0200 |
| commit | d2857b99a74b082368ee80f359372faa1d051043 (patch) | |
| tree | dff457a43ea46de54480e1def5ec75e550a1ff5d /drivers/net/vmxnet3/vmxnet3_defs.h | |
| parent | c7112ebd27ea0dbe4eecd5c96cad93757e34e73d (diff) | |
| download | lwn-d2857b99a74b082368ee80f359372faa1d051043.tar.gz lwn-d2857b99a74b082368ee80f359372faa1d051043.zip | |
vmxnet3: limit number of TXDs used for TSO packet
Currently, vmxnet3 does not have a limit on number of descriptors
used for a TSO packet. However, with UPT, for hardware performance
reasons, this patch limits the number of transmit descriptors to 24
for a TSO packet.
Signed-off-by: Ronak Doshi <doshir@vmware.com>
Acked-by: Guolin Yang <gyang@vmware.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_defs.h')
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_defs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h index 415e4c9993ef..cb9dc72f2b3d 100644 --- a/drivers/net/vmxnet3/vmxnet3_defs.h +++ b/drivers/net/vmxnet3/vmxnet3_defs.h @@ -400,6 +400,8 @@ union Vmxnet3_GenericDesc { /* max # of tx descs for a non-tso pkt */ #define VMXNET3_MAX_TXD_PER_PKT 16 +/* max # of tx descs for a tso pkt */ +#define VMXNET3_MAX_TSO_TXD_PER_PKT 24 /* Max size of a single rx buffer */ #define VMXNET3_MAX_RX_BUF_SIZE ((1 << 14) - 1) |