diff options
Diffstat (limited to 'sys/net80211/ieee80211_crypto.c')
| -rw-r--r-- | sys/net80211/ieee80211_crypto.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/sys/net80211/ieee80211_crypto.c b/sys/net80211/ieee80211_crypto.c index 25a2c8b..6cb9ee0 100644 --- a/sys/net80211/ieee80211_crypto.c +++ b/sys/net80211/ieee80211_crypto.c @@ -113,16 +113,23 @@ ieee80211_wep_crypt(struct ifnet *ifp, struct mbuf *m0, int txflag) n0 = NULL; if ((ctx = ic->ic_wep_ctx) == NULL) { ctx = malloc(arc4_ctxlen(), M_DEVBUF, M_NOWAIT); - if (ctx == NULL) + if (ctx == NULL) { + ic->ic_stats.is_crypto_nomem++; goto fail; + } ic->ic_wep_ctx = ctx; } m = m0; left = m->m_pkthdr.len; MGET(n, M_DONTWAIT, m->m_type); n0 = n; - if (n == NULL) + if (n == NULL) { + if (txflag) + ic->ic_stats.is_tx_nombuf++; + else + ic->ic_stats.is_rx_nombuf++; goto fail; + } M_MOVE_PKTHDR(n, m); len = IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN; if (txflag) { @@ -188,8 +195,13 @@ ieee80211_wep_crypt(struct ifnet *ifp, struct mbuf *m0, int txflag) len = n->m_len - noff; if (len == 0) { MGET(n->m_next, M_DONTWAIT, n->m_type); - if (n->m_next == NULL) + if (n->m_next == NULL) { + if (txflag) + ic->ic_stats.is_tx_nombuf++; + else + ic->ic_stats.is_rx_nombuf++; goto fail; + } n = n->m_next; n->m_len = MLEN; if (left >= MINCLSIZE) { @@ -223,8 +235,10 @@ ieee80211_wep_crypt(struct ifnet *ifp, struct mbuf *m0, int txflag) else { n->m_len = noff; MGET(n->m_next, M_DONTWAIT, n->m_type); - if (n->m_next == NULL) + if (n->m_next == NULL) { + ic->ic_stats.is_tx_nombuf++; goto fail; + } n = n->m_next; n->m_len = sizeof(crcbuf); noff = 0; @@ -252,6 +266,7 @@ ieee80211_wep_crypt(struct ifnet *ifp, struct mbuf *m0, int txflag) n0->m_len, -1, -1); } #endif + ic->ic_stats.is_rx_decryptcrc++; goto fail; } } |
