diff options
| author |   Brett Creeley <brett.creeley@intel.com> | 2021-03-02 10:12:13 -0800 |
|---|---|---|
| committer |   Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-04-22 09:26:22 -0700 |
| commit | c91a4f9feb67a199c27c2fe4df98ef9a49ab8ba0 (patch) | |
| tree | 8dcd3d7a2d2f18cecb25caf297571325e4ddf0d4 | |
| parent | ice: Advertise virtchnl UDP segmentation offload capability (diff) | |
| download | wireguard-linux-c91a4f9feb67a199c27c2fe4df98ef9a49ab8ba0.tar.xz wireguard-linux-c91a4f9feb67a199c27c2fe4df98ef9a49ab8ba0.zip | |
iavf: add support for UDP Segmentation Offload
Add code to support UDP segmentation offload (USO) for
hardware that supports it.
Suggested-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_txrx.c | 15 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_virtchnl.c | 1 |
3 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index a3268c894d85..6cd6b9dfe5d4 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -3542,6 +3542,8 @@ int iavf_process_config(struct iavf_adapter *adapter) /* Enable cloud filter if ADQ is supported */ if (vfres->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADQ) hw_features |= NETIF_F_HW_TC; + if (vfres->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_USO) + hw_features |= NETIF_F_GSO_UDP_L4; netdev->hw_features |= hw_features; diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index d6cba53a3a21..3525eab8e9f9 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -1905,13 +1905,20 @@ static int iavf_tso(struct iavf_tx_buffer *first, u8 *hdr_len, /* determine offset of inner transport header */ l4_offset = l4.hdr - skb->data; - /* remove payload length from inner checksum */ paylen = skb->len - l4_offset; - csum_replace_by_diff(&l4.tcp->check, (__force __wsum)htonl(paylen)); - /* compute length of segmentation header */ - *hdr_len = (l4.tcp->doff * 4) + l4_offset; + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) { + csum_replace_by_diff(&l4.udp->check, + (__force __wsum)htonl(paylen)); + /* compute length of UDP segmentation header */ + *hdr_len = (u8)sizeof(l4.udp) + l4_offset; + } else { + csum_replace_by_diff(&l4.tcp->check, + (__force __wsum)htonl(paylen)); + /* compute length of TCP segmentation header */ + *hdr_len = (u8)((l4.tcp->doff * 4) + l4_offset); + } /* pull values out of skb_shinfo */ gso_size = skb_shinfo(skb)->gso_size; diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index 3069092468b2..9aaade0aae4c 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -140,6 +140,7 @@ int iavf_send_vf_config_msg(struct iavf_adapter *adapter) VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM | VIRTCHNL_VF_OFFLOAD_REQ_QUEUES | VIRTCHNL_VF_OFFLOAD_ADQ | + VIRTCHNL_VF_OFFLOAD_USO | VIRTCHNL_VF_OFFLOAD_FDIR_PF | VIRTCHNL_VF_CAP_ADV_LINK_SPEED; |