diff options
| author | Zhu Yi <yi.zhu@intel.com> | 2005-07-13 12:24:51 -0500 |
|---|---|---|
| committer | James Ketrenos <jketreno@linux.intel.com> | 2005-11-07 17:50:14 -0600 |
| commit | a2d73e60bb018da74ba508943c79c83659f3a883 (patch) | |
| tree | f657e3b54634c5b05f100ed8df7f47a8f3b2ff39 /drivers/net | |
| parent | afbf30a2b78cac38e6ddae10a73063943b4783ee (diff) | |
Fix hardware encryption (both WEP and AES) doesn't work with fragmentation.
Firmware sends received packets with double sized ICV/MIC.
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 1b6f0277a3e..8f7e9ac37f8 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -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; |