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[PATCH] ATH6KL: "Fix the byte alignment rule to avoid loss of bytes in a TCP segment" #27

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merged 1 commit into from
Nov 15, 2013
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[PATCH] ATH6KL: "Fix the byte alignment rule to avoid loss of bytes in a TCP segment" #27

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4 changes: 2 additions & 2 deletions drivers/net/wireless/ath/ath6kl/init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -201,8 +201,8 @@ struct sk_buff *ath6kl_buf_alloc(int size)
u16 reserved;

/* Add chacheline space at front and back of buffer */
reserved = (2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET +
sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES;
reserved = roundup((2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET +
sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES, 4);
skb = dev_alloc_skb(size + reserved);

if (skb)
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4 changes: 2 additions & 2 deletions drivers/net/wireless/ath/ath6kl/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1327,9 +1327,9 @@ void init_netdev(struct net_device *dev)
dev->watchdog_timeo = ATH6KL_TX_TIMEOUT;

dev->needed_headroom = ETH_HLEN;
dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) +
dev->needed_headroom += roundup(sizeof(struct ath6kl_llc_snap_hdr) +
sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH
+ WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES;
+ WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES, 4);

dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;

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