diff options
| author | sam <sam@FreeBSD.org> | 2004-12-31 20:51:41 +0000 |
|---|---|---|
| committer | sam <sam@FreeBSD.org> | 2004-12-31 20:51:41 +0000 |
| commit | 886a744d99602259fd5a6f098cb28a5c42776ad3 (patch) | |
| tree | e024578c6cbb2292b9de4b1ceaed0fabe38f9951 /sys/net80211/ieee80211_crypto_tkip.c | |
| parent | 58871563b42047c363403fc016399a46b3244742 (diff) | |
| download | FreeBSD-src-886a744d99602259fd5a6f098cb28a5c42776ad3.zip FreeBSD-src-886a744d99602259fd5a6f098cb28a5c42776ad3.tar.gz | |
correct header length calculations on tx path for QoS-encapsulated frames
when IEEE80211_F_DATAPAD is set (e.g. ath); must use ieee80211_hdrspace
instead of ieee80211_hdrsize
Diffstat (limited to 'sys/net80211/ieee80211_crypto_tkip.c')
| -rw-r--r-- | sys/net80211/ieee80211_crypto_tkip.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/net80211/ieee80211_crypto_tkip.c b/sys/net80211/ieee80211_crypto_tkip.c index 8c0a4b5..41f6851 100644 --- a/sys/net80211/ieee80211_crypto_tkip.c +++ b/sys/net80211/ieee80211_crypto_tkip.c @@ -171,7 +171,7 @@ tkip_encap(struct ieee80211_key *k, struct mbuf *m, u_int8_t keyid) ic->ic_stats.is_crypto_tkipcm++; return 0; } - hdrlen = ieee80211_hdrsize(mtod(m, void *)); + hdrlen = ieee80211_hdrspace(ic, mtod(m, void *)); /* * Copy down 802.11 header and add the IV, KeyID, and ExtIV. @@ -215,10 +215,13 @@ tkip_enmic(struct ieee80211_key *k, struct mbuf *m) if (k->wk_flags & IEEE80211_KEY_SWMIC) { struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *); - int hdrlen = ieee80211_hdrsize(wh); + struct ieee80211com *ic = ctx->tc_ic; + int hdrlen; uint8_t mic[IEEE80211_WEP_MICLEN]; - ctx->tc_ic->ic_stats.is_crypto_tkipenmic++; + ic->ic_stats.is_crypto_tkipenmic++; + + hdrlen = ieee80211_hdrspace(ic, wh); michael_mic(ctx, k->wk_txmic, m, hdrlen, m->m_pkthdr.len - hdrlen, mic); |
