From cf909e19acf373a2e1d9bd877846a11bc8e20a54 Mon Sep 17 00:00:00 2001 From: Anirudh Venkataramanan Date: Wed, 19 Dec 2018 10:03:32 -0800 Subject: ice: Offload SCTP checksum This patch adds the ability to offload SCTP checksum calculations to the NIC. Signed-off-by: Anirudh Venkataramanan Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ice/ice.h | 1 + drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h | 1 + drivers/net/ethernet/intel/ice/ice_main.c | 1 + drivers/net/ethernet/intel/ice/ice_txrx.c | 6 ++++++ 4 files changed, 9 insertions(+) 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 #include #include +#include #include #include #include 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; -- cgit v1.2.3