diff options
| author | Thomas Falcon <tlfalcon@linux.vnet.ibm.com> | 2017-10-17 12:36:55 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-19 13:20:32 +0100 |
| commit | fdb061056f57e849a05cac072a4998c7f33d797e (patch) | |
| tree | caaab1f2413f48ef728f4221f741de9ac6b1eb94 /drivers/net/ethernet/ibm/ibmvnic.h | |
| parent | 154820563dd4621c78e03e98e70216e832422f8e (diff) | |
ibmvnic: Enable TSO support
This patch enables TSO support. It includes additional
buffers reserved exclusively for large packets. Throughput
is greatly increased with TSO enabled, from about 1 Gb/s to
9 Gb/s on our test systems.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ibm/ibmvnic.h')
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index d02257ccc377..7aa347a21e78 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -39,6 +39,9 @@ #define IBMVNIC_BUFFS_PER_POOL 100 #define IBMVNIC_MAX_TX_QUEUES 5 +#define IBMVNIC_TSO_BUF_SZ 65536 +#define IBMVNIC_TSO_BUFS 64 + struct ibmvnic_login_buffer { __be32 len; __be32 version; @@ -896,6 +899,8 @@ struct ibmvnic_tx_pool { wait_queue_head_t ibmvnic_tx_comp_q; struct task_struct *work_thread; struct ibmvnic_long_term_buff long_term_buff; + struct ibmvnic_long_term_buff tso_ltb; + int tso_index; }; struct ibmvnic_rx_buff { |