From e30f1081c22f3b20d60a9b72ae8625cbfa69763d Mon Sep 17 00:00:00 2001 From: Andrew Rybchenko Date: Tue, 13 Oct 2020 14:45:37 +0100 Subject: [PATCH] net/sfc: support IPv4 header checksum offload for EF100 Tx Use outer layer 3 full checksum offload which does not require any assistance from driver. Signed-off-by: Andrew Rybchenko --- doc/guides/nics/sfc_efx.rst | 2 +- drivers/net/sfc/sfc_ef100_tx.c | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst index 98521f9975..0e32d0c6d9 100644 --- a/doc/guides/nics/sfc_efx.rst +++ b/doc/guides/nics/sfc_efx.rst @@ -329,7 +329,7 @@ boolean parameters value. is even more faster then **ef10** but does not support multi-segment mbufs, disallows multiple mempools and neglects mbuf reference counters. **ef100** chooses EF100 native datapath which supports multi-segment - mbufs and TCP/UDP checksum offloads. + mbufs, IPv4 and TCP/UDP checksum offloads. - ``perf_profile`` [auto|throughput|low-latency] (default **throughput**) diff --git a/drivers/net/sfc/sfc_ef100_tx.c b/drivers/net/sfc/sfc_ef100_tx.c index df42d480b3..96a9b6c631 100644 --- a/drivers/net/sfc/sfc_ef100_tx.c +++ b/drivers/net/sfc/sfc_ef100_tx.c @@ -216,14 +216,17 @@ sfc_ef100_tx_reap(struct sfc_ef100_txq *txq) static void sfc_ef100_tx_qdesc_send_create(const struct rte_mbuf *m, efx_oword_t *tx_desc) { + bool outer_l3; bool outer_l4; + outer_l3 = (m->ol_flags & PKT_TX_IP_CKSUM); outer_l4 = (m->ol_flags & PKT_TX_L4_MASK); - EFX_POPULATE_OWORD_5(*tx_desc, + EFX_POPULATE_OWORD_6(*tx_desc, ESF_GZ_TX_SEND_ADDR, rte_mbuf_data_iova(m), ESF_GZ_TX_SEND_LEN, rte_pktmbuf_data_len(m), ESF_GZ_TX_SEND_NUM_SEGS, m->nb_segs, + ESF_GZ_TX_SEND_CSO_OUTER_L3, outer_l3, ESF_GZ_TX_SEND_CSO_OUTER_L4, outer_l4, ESF_GZ_TX_DESC_TYPE, ESE_GZ_TX_DESC_TYPE_SEND); } @@ -597,7 +600,8 @@ struct sfc_dp_tx sfc_ef100_tx = { }, .features = SFC_DP_TX_FEAT_MULTI_PROCESS, .dev_offload_capa = 0, - .queue_offload_capa = DEV_TX_OFFLOAD_UDP_CKSUM | + .queue_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM | + DEV_TX_OFFLOAD_UDP_CKSUM | DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_MULTI_SEGS, .get_dev_info = sfc_ef100_get_dev_info, -- 2.20.1