[19/36] net/sfc: support TCP and UDP checksum offloads for EF100
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Message ID 1602596753-32282-20-git-send-email-arybchenko@solarflare.com
State Accepted, archived
Delegated to: Ferruh Yigit
Headers show
Series
  • net/sfc: add EF100 support
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Context Check Description
ci/checkpatch success coding style OK

Commit Message

Andrew Rybchenko Oct. 13, 2020, 1:45 p.m. UTC
Use outer layer 4 full checksum offload which does not require any
assistance from driver.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 doc/guides/nics/sfc_efx.rst    |  4 ++--
 drivers/net/sfc/sfc_ef100_tx.c | 11 +++++++++--
 2 files changed, 11 insertions(+), 4 deletions(-)

Patch
diff mbox series

diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index 17e9461bea..98521f9975 100644
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -328,8 +328,8 @@  boolean parameters value.
   **ef10_simple** chooses EF10 (SFN7xxx, SFN8xxx, X2xxx) native datapath which
   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 does not support
-  any offloads except multi-segment mbufs.
+  **ef100** chooses EF100 native datapath which supports multi-segment
+  mbufs 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 0a7bd74651..343730b5c9 100644
--- a/drivers/net/sfc/sfc_ef100_tx.c
+++ b/drivers/net/sfc/sfc_ef100_tx.c
@@ -216,10 +216,15 @@  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)
 {
-	EFX_POPULATE_OWORD_4(*tx_desc,
+	bool outer_l4;
+
+	outer_l4 = (m->ol_flags & PKT_TX_L4_MASK);
+
+	EFX_POPULATE_OWORD_5(*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_L4, outer_l4,
 			ESF_GZ_TX_DESC_TYPE, ESE_GZ_TX_DESC_TYPE_SEND);
 }
 
@@ -592,7 +597,9 @@  struct sfc_dp_tx sfc_ef100_tx = {
 	},
 	.features		= SFC_DP_TX_FEAT_MULTI_PROCESS,
 	.dev_offload_capa	= 0,
-	.queue_offload_capa	= DEV_TX_OFFLOAD_MULTI_SEGS,
+	.queue_offload_capa	= DEV_TX_OFFLOAD_UDP_CKSUM |
+				  DEV_TX_OFFLOAD_TCP_CKSUM |
+				  DEV_TX_OFFLOAD_MULTI_SEGS,
 	.get_dev_info		= sfc_ef100_get_dev_info,
 	.qsize_up_rings		= sfc_ef100_tx_qsize_up_rings,
 	.qcreate		= sfc_ef100_tx_qcreate,