[dpdk-dev] [PATCH v2 10/13] net/sfc: make TSO a datapath-dependent feature

Andrew Rybchenko arybchenko at solarflare.com
Mon Mar 20 11:15:16 CET 2017


Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 drivers/net/sfc/sfc_dp_tx.h | 1 +
 drivers/net/sfc/sfc_tx.c    | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sfc/sfc_dp_tx.h b/drivers/net/sfc/sfc_dp_tx.h
index 1a6d6c1..c93932e 100644
--- a/drivers/net/sfc/sfc_dp_tx.h
+++ b/drivers/net/sfc/sfc_dp_tx.h
@@ -118,6 +118,7 @@ struct sfc_dp_tx {
 
 	unsigned int			features;
 #define SFC_DP_TX_FEAT_VLAN_INSERT	0x1
+#define SFC_DP_TX_FEAT_TSO		0x2
 	sfc_dp_tx_qcreate_t		*qcreate;
 	sfc_dp_tx_qdestroy_t		*qdestroy;
 	sfc_dp_tx_qstart_t		*qstart;
diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c
index 225a3a6..a63f746 100644
--- a/drivers/net/sfc/sfc_tx.c
+++ b/drivers/net/sfc/sfc_tx.c
@@ -294,6 +294,9 @@ sfc_tx_init(struct sfc_adapter *sa)
 		goto fail_tx_dma_desc_boundary;
 	}
 
+	if (~sa->dp_tx->features & SFC_DP_TX_FEAT_TSO)
+		sa->tso = B_FALSE;
+
 	rc = sfc_tx_check_mode(sa, &dev_conf->txmode);
 	if (rc != 0)
 		goto fail_check_mode;
@@ -932,7 +935,8 @@ struct sfc_dp_tx sfc_efx_tx = {
 		.type		= SFC_DP_TX,
 		.hw_fw_caps	= 0,
 	},
-	.features		= SFC_DP_TX_FEAT_VLAN_INSERT,
+	.features		= SFC_DP_TX_FEAT_VLAN_INSERT |
+				  SFC_DP_TX_FEAT_TSO,
 	.qcreate		= sfc_efx_tx_qcreate,
 	.qdestroy		= sfc_efx_tx_qdestroy,
 	.qstart			= sfc_efx_tx_qstart,
-- 
2.9.3



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