diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 3bd970f29f29d1fbe81a73d4dcf7bdc4cbb8fff0..2606ca282c5ec0a47d4d1b22e29a381b4a7db52f 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -307,6 +307,7 @@ struct ieee80211_tx_control { * using the through * set_retry_limit configured * long retry value */ +#define IEEE80211_TXCTL_EAPOL_FRAME (1<<11) /* internal to mac80211 */ u32 flags; /* tx control flags defined * above */ u8 key_idx; /* keyidx from hw->set_key(), undefined if diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index c0dbf77547f7ffdb76fd8ab2a7541d6850924aa9..9c14e3d303c549229eccc6d922350e87670ce9fb 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -732,6 +732,8 @@ static void ieee80211_remove_tx_extra(struct ieee80211_local *local, pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT; if (control->flags & IEEE80211_TXCTL_REQUEUE) pkt_data->flags |= IEEE80211_TXPD_REQUEUE; + if (control->flags & IEEE80211_TXCTL_EAPOL_FRAME) + pkt_data->flags |= IEEE80211_TXPD_EAPOL_FRAME; pkt_data->queue = control->queue; hdrlen = ieee80211_get_hdrlen_from_skb(skb); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 214109b8d95aa05b23ffd6a4c133bf64a2978845..baf53c047127d0d08db6d127744b56e0a2806e60 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -164,6 +164,7 @@ struct ieee80211_txrx_data { #define IEEE80211_TXPD_REQ_TX_STATUS BIT(0) #define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1) #define IEEE80211_TXPD_REQUEUE BIT(2) +#define IEEE80211_TXPD_EAPOL_FRAME BIT(3) /* Stored in sk_buff->cb */ struct ieee80211_tx_packet_data { int ifindex; @@ -798,7 +799,6 @@ extern void *mac80211_wiphy_privid; /* for wiphy privid */ extern const unsigned char rfc1042_header[6]; extern const unsigned char bridge_tunnel_header[6]; u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len); -int ieee80211_is_eapol(const struct sk_buff *skb, int hdrlen); int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, int rate, int erp, int short_preamble); void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 6dbd91842881ee27901c636ed856d04ffe2e1357..e177a8dc23b98d8e56ec8fb8b0f833f48fe3f773 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -437,7 +437,8 @@ ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) else if ((key = rcu_dereference(tx->sdata->default_key))) tx->key = key; else if (tx->sdata->drop_unencrypted && - !ieee80211_is_eapol(tx->skb, ieee80211_get_hdrlen(fc))) { + !(tx->u.tx.control->flags & IEEE80211_TXCTL_EAPOL_FRAME) && + !(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) { I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); return TXRX_DROP; } else { @@ -1241,6 +1242,8 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, control.flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; if (pkt_data->flags & IEEE80211_TXPD_REQUEUE) control.flags |= IEEE80211_TXCTL_REQUEUE; + if (pkt_data->flags & IEEE80211_TXPD_EAPOL_FRAME) + control.flags |= IEEE80211_TXCTL_EAPOL_FRAME; control.queue = pkt_data->queue; ret = ieee80211_tx(odev, skb, &control); @@ -1514,6 +1517,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); pkt_data->ifindex = dev->ifindex; + if (ethertype == ETH_P_PAE) + pkt_data->flags |= IEEE80211_TXPD_EAPOL_FRAME; skb->dev = local->mdev; dev->stats.tx_packets++; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index fb7fd896cd0d81f74ed07df845034a8f49e13d18..2b02b2b9d645880dd1670f2784e4921d73eaf369 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -40,10 +40,6 @@ const unsigned char rfc1042_header[] = const unsigned char bridge_tunnel_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -/* No encapsulation header if EtherType < 0x600 (=length) */ -static const unsigned char eapol_header[] = - { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e }; - static int rate_list_match(const int *rate_list, int rate) { @@ -223,19 +219,6 @@ int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb) } EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb); -int ieee80211_is_eapol(const struct sk_buff *skb, int hdrlen) -{ - if (unlikely(skb->len < 10)) - return 0; - - if (unlikely(skb->len >= hdrlen + sizeof(eapol_header) && - memcmp(skb->data + hdrlen, eapol_header, - sizeof(eapol_header)) == 0)) - return 1; - - return 0; -} - void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;