wil6210: Fix IP version indication for Tx csum offload

Bit DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS should be set for IPv4
only. Don't set it for IPv6

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index d505b2676a73..18003c0d5141 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -673,9 +673,12 @@ static int wil_tx_desc_offload_cksum_set(struct wil6210_priv *wil,
         if (skb->ip_summed != CHECKSUM_PARTIAL)
                 return 0;
 
+        d->dma.b11 = ETH_HLEN; /* MAC header length */
+
         switch (skb->protocol) {
         case cpu_to_be16(ETH_P_IP):
                 protocol = ip_hdr(skb)->protocol;
+                d->dma.b11 |= BIT(DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS);
                 break;
         case cpu_to_be16(ETH_P_IPV6):
                 protocol = ipv6_hdr(skb)->nexthdr;
@@ -701,8 +704,6 @@ static int wil_tx_desc_offload_cksum_set(struct wil6210_priv *wil,
         }
 
         d->dma.ip_length = skb_network_header_len(skb);
-        d->dma.b11 = ETH_HLEN; /* MAC header length */
-        d->dma.b11 |= BIT(DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS);
         /* Enable TCP/UDP checksum */
         d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_TCP_UDP_CHECKSUM_EN_POS);
         /* Calculate pseudo-header */