From df2d08eed2a38cee971b3f2ff132d8369471404e Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Wed, 8 Jan 2014 11:50:48 +0200 Subject: [PATCH] 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 Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wil6210/txrx.c | 5 +++-- 1 file 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 */ -- 2.39.5