[PATCH 13/14] net/sfc: support inner checksum offload on transmit
From: Andrew Rybchenko <hidden>
Date: 2017-12-24 10:47:04
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
There is no dedicated controls for inner checksum offload on device/queue level. So, enable together with outer offloads. Signed-off-by: Andrew Rybchenko <redacted> Reviewed-by: Ivan Malov <redacted> --- doc/guides/nics/sfc_efx.rst | 2 ++ drivers/net/sfc/sfc_ethdev.c | 3 +++ drivers/net/sfc/sfc_tx.c | 8 ++++++++ 3 files changed, 13 insertions(+)
diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index 813cb6f..8e0782c 100644
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst@@ -48,6 +48,8 @@ SFC EFX PMD has support for: - IPv4/IPv6 TCP/UDP transmit checksum offload +- Inner IPv4/IPv6 TCP/UDP transmit checksum offload + - Port hardware statistics - Extended statistics (see Solarflare Server Adapter User's Guide for
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 0fea997..1b700b1 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c@@ -140,6 +140,9 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) DEV_TX_OFFLOAD_UDP_CKSUM | DEV_TX_OFFLOAD_TCP_CKSUM; + if (encp->enc_tunnel_encapsulations_supported != 0) + dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM; + dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP; if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) || !encp->enc_hw_tx_insert_vlan_enabled)
diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c
index d1320f4..f580fb5 100644
--- a/drivers/net/sfc/sfc_tx.c
+++ b/drivers/net/sfc/sfc_tx.c@@ -410,6 +410,7 @@ sfc_tx_close(struct sfc_adapter *sa) int sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index) { + const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); struct rte_eth_dev_data *dev_data; struct sfc_txq_info *txq_info; struct sfc_txq *txq;
@@ -440,9 +441,16 @@ sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index) if ((txq->flags & ETH_TXQ_FLAGS_NOXSUMTCP) || (txq->flags & ETH_TXQ_FLAGS_NOXSUMUDP)) { flags = EFX_TXQ_CKSUM_IPV4; + + if (encp->enc_tunnel_encapsulations_supported != 0) + flags |= EFX_TXQ_CKSUM_INNER_IPV4; } else { flags = EFX_TXQ_CKSUM_IPV4 | EFX_TXQ_CKSUM_TCPUDP; + if (encp->enc_tunnel_encapsulations_supported != 0) + flags |= EFX_TXQ_CKSUM_INNER_IPV4 | + EFX_TXQ_CKSUM_INNER_TCPUDP; + if (sa->tso) flags |= EFX_TXQ_FATSOV2; }
--
2.7.4