From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Rybchenko Subject: [PATCH 13/14] net/sfc: support inner checksum offload on transmit Date: Sun, 24 Dec 2017 10:46:43 +0000 Message-ID: <1514112404-13398-14-git-send-email-arybchenko@solarflare.com> References: <1514112404-13398-1-git-send-email-arybchenko@solarflare.com> Mime-Version: 1.0 Content-Type: text/plain To: Return-path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 3D0451B679 for ; Sun, 24 Dec 2017 11:47:04 +0100 (CET) Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 0996FBC0064 for ; Sun, 24 Dec 2017 10:47:03 +0000 (UTC) Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id vBOAkwo4014806 for ; Sun, 24 Dec 2017 10:46:58 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id vBOAkwhQ013494 for ; Sun, 24 Dec 2017 10:46:58 GMT In-Reply-To: <1514112404-13398-1-git-send-email-arybchenko@solarflare.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" There is no dedicated controls for inner checksum offload on device/queue level. So, enable together with outer offloads. Signed-off-by: Andrew Rybchenko Reviewed-by: Ivan Malov --- 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