diff options
| author |   Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> | 2018-12-19 10:03:32 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-01-15 12:02:27 -0800 |
| commit | cf909e19acf373a2e1d9bd877846a11bc8e20a54 (patch) | |
| tree | 6830f207d013dd9aed2f288b61299e6f78c75912 /drivers | |
| parent | ice: Allow for software timestamping (diff) | |
| download | linux-dev-cf909e19acf373a2e1d9bd877846a11bc8e20a54.tar.xz linux-dev-cf909e19acf373a2e1d9bd877846a11bc8e20a54.zip | |
ice: Offload SCTP checksum
This patch adds the ability to offload SCTP checksum calculations to the
NIC.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_main.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.c | 6 |
4 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index ac8bf7491d08..55944e089558 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -26,6 +26,7 @@ #include <linux/bitmap.h> #include <linux/log2.h> #include <linux/ip.h> +#include <linux/sctp.h> #include <linux/ipv6.h> #include <linux/if_bridge.h> #include <linux/avf/virtchnl.h> diff --git a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h index bb51dd7defb5..bd7c01db8c63 100644 --- a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h +++ b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h @@ -346,6 +346,7 @@ enum ice_tx_desc_cmd_bits { ICE_TX_DESC_CMD_IIPT_IPV4 = 0x0040, /* 2 BITS */ ICE_TX_DESC_CMD_IIPT_IPV4_CSUM = 0x0060, /* 2 BITS */ ICE_TX_DESC_CMD_L4T_EOFT_TCP = 0x0100, /* 2 BITS */ + ICE_TX_DESC_CMD_L4T_EOFT_SCTP = 0x0200, /* 2 BITS */ ICE_TX_DESC_CMD_L4T_EOFT_UDP = 0x0300, /* 2 BITS */ }; diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index e59f8b29af49..f4bf6bda32a9 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -1528,6 +1528,7 @@ static int ice_cfg_netdev(struct ice_vsi *vsi) csumo_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | + NETIF_F_SCTP_CRC | NETIF_F_IPV6_CSUM; vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER | diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 384ac5c82e00..2357fcac996b 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -1465,6 +1465,12 @@ int ice_tx_csum(struct ice_tx_buf *first, struct ice_tx_offload_params *off) offset |= l4_len << ICE_TX_DESC_LEN_L4_LEN_S; break; case IPPROTO_SCTP: + /* enable SCTP checksum offload */ + cmd |= ICE_TX_DESC_CMD_L4T_EOFT_SCTP; + l4_len = sizeof(struct sctphdr) >> 2; + offset |= l4_len << ICE_TX_DESC_LEN_L4_LEN_S; + break; + default: if (first->tx_flags & ICE_TX_FLAGS_TSO) return -1; |