nfp: fix how Tx checksum is advertised to firmware

Even with tx checksum offload available, do not set the flag by default.

Fixes: b812daadad0d ("nfp: add Rx and Tx")

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 815b4fa..898c884 100644 (file)
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -1532,7 +1532,8 @@ nfp_net_tx_cksum(struct nfp_net_txq *txq, struct nfp_net_tx_desc *txd,
                break;
        }
 
-       txd->flags |= PCIE_DESC_TX_CSUM;
+       if (ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK))
+               txd->flags |= PCIE_DESC_TX_CSUM;
 }
 
 /* nfp_net_rx_cksum - set mbuf checksum flags based on RX descriptor flags */