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Fix hardware encryption (both WEP and AES) doesn't work with fragmentation.

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Firmware sends received packets with double sized ICV/MIC.

Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
This commit is contained in:
Zhu Yi 2005-07-13 12:24:51 -05:00 committed by James Ketrenos
parent afbf30a2b7
commit a2d73e60bb
1 changed files with 8 additions and 2 deletions
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10
drivers/net/wireless/ipw2200.c
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@ -7587,7 +7587,10 @@ static void ipw_rebuild_decrypted_skb(struct ipw_priv *priv,
memmove(skb->data + IEEE80211_3ADDR_LEN,
skb->data + IEEE80211_3ADDR_LEN + 8,
skb->len - IEEE80211_3ADDR_LEN - 8);
skb_trim(skb, skb->len - 8); /* MIC */
if (fc & IEEE80211_FCTL_MOREFRAGS)
skb_trim(skb, skb->len - 16); /* 2*MIC */
else
skb_trim(skb, skb->len - 8); /* MIC */
break;
case SEC_LEVEL_2:
break;
@ -7596,7 +7599,10 @@ static void ipw_rebuild_decrypted_skb(struct ipw_priv *priv,
memmove(skb->data + IEEE80211_3ADDR_LEN,
skb->data + IEEE80211_3ADDR_LEN + 4,
skb->len - IEEE80211_3ADDR_LEN - 4);
skb_trim(skb, skb->len - 4); /* ICV */
if (fc & IEEE80211_FCTL_MOREFRAGS)
skb_trim(skb, skb->len - 8); /* 2*ICV */
else
skb_trim(skb, skb->len - 4); /* ICV */
break;
case SEC_LEVEL_0:
break;