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提交 9ae54c84 编写于 作者: J Johannes Berg 提交者： John W. Linville
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mac80211: split ieee80211_txrx_result 

The _DROP result will need to be split in the RX path but not
in the TX path, so for preparation split up the type into two
types, one for RX and one for TX. Also make sure (via sparse)
that they cannot be confused.
Signed-off-by: NJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 78330fdd
隐藏空白更改
内联 并排
Showing with 204 addition and 197 deletion
net/mac80211/ieee80211_i.h
浏览文件 @ 9ae54c84
...@@ -108,9 +108,16 @@ struct ieee80211_sta_bss { ...@@ -108,9 +108,16 @@ struct ieee80211_sta_bss {
}; };
typedef enum { typedef unsigned __bitwise__ ieee80211_tx_result;
TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED #define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
} ieee80211_txrx_result; #define TX_DROP ((__force ieee80211_tx_result) 1u)
#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
typedef unsigned __bitwise__ ieee80211_rx_result;
#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
#define RX_DROP ((__force ieee80211_rx_result) 1u)
#define RX_QUEUED ((__force ieee80211_rx_result) 2u)
/* flags used in struct ieee80211_txrx_data.flags */ /* flags used in struct ieee80211_txrx_data.flags */
/* whether the MSDU was fragmented */ /* whether the MSDU was fragmented */
...@@ -182,10 +189,10 @@ struct ieee80211_tx_stored_packet { ...@@ -182,10 +189,10 @@ struct ieee80211_tx_stored_packet {
unsigned int last_frag_rate_ctrl_probe; unsigned int last_frag_rate_ctrl_probe;
}; };
typedef ieee80211_txrx_result (*ieee80211_tx_handler) typedef ieee80211_tx_result (*ieee80211_tx_handler)
(struct ieee80211_txrx_data *tx); (struct ieee80211_txrx_data *tx);
typedef ieee80211_txrx_result (*ieee80211_rx_handler) typedef ieee80211_rx_result (*ieee80211_rx_handler)
(struct ieee80211_txrx_data *rx); (struct ieee80211_txrx_data *rx);
struct beacon_data { struct beacon_data {
...@@ -729,9 +736,9 @@ int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); ...@@ -729,9 +736,9 @@ int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len);
void ieee80211_sta_req_auth(struct net_device *dev, void ieee80211_sta_req_auth(struct net_device *dev,
struct ieee80211_if_sta *ifsta); struct ieee80211_if_sta *ifsta);
int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len);
ieee80211_txrx_result ieee80211_sta_rx_scan(struct net_device *dev, ieee80211_rx_result ieee80211_sta_rx_scan(
struct sk_buff *skb, struct net_device *dev, struct sk_buff *skb,
struct ieee80211_rx_status *rx_status); struct ieee80211_rx_status *rx_status);
void ieee80211_rx_bss_list_init(struct net_device *dev); void ieee80211_rx_bss_list_init(struct net_device *dev);
void ieee80211_rx_bss_list_deinit(struct net_device *dev); void ieee80211_rx_bss_list_deinit(struct net_device *dev);
int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
......
net/mac80211/ieee80211_sta.c
浏览文件 @ 9ae54c84
...@@ -2559,7 +2559,7 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev, ...@@ -2559,7 +2559,7 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev,
} }
ieee80211_txrx_result ieee80211_rx_result
ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb, ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
struct ieee80211_rx_status *rx_status) struct ieee80211_rx_status *rx_status)
{ {
...@@ -2567,31 +2567,31 @@ ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb, ...@@ -2567,31 +2567,31 @@ ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
u16 fc; u16 fc;
if (skb->len < 2) if (skb->len < 2)
return TXRX_DROP; return RX_DROP;
mgmt = (struct ieee80211_mgmt *) skb->data; mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control); fc = le16_to_cpu(mgmt->frame_control);
if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL)
return TXRX_CONTINUE; return RX_CONTINUE;
if (skb->len < 24) if (skb->len < 24)
return TXRX_DROP; return RX_DROP;
if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) { if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP) { if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP) {
ieee80211_rx_mgmt_probe_resp(dev, mgmt, ieee80211_rx_mgmt_probe_resp(dev, mgmt,
skb->len, rx_status); skb->len, rx_status);
dev_kfree_skb(skb); dev_kfree_skb(skb);
return TXRX_QUEUED; return RX_QUEUED;
} else if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) { } else if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) {
ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len,
rx_status); rx_status);
dev_kfree_skb(skb); dev_kfree_skb(skb);
return TXRX_QUEUED; return RX_QUEUED;
} }
} }
return TXRX_CONTINUE; return RX_CONTINUE;
} }
......
net/mac80211/rx.c
浏览文件 @ 9ae54c84
...@@ -351,16 +351,16 @@ static u32 ieee80211_rx_load_stats(struct ieee80211_local *local, ...@@ -351,16 +351,16 @@ static u32 ieee80211_rx_load_stats(struct ieee80211_local *local,
/* rx handlers */ /* rx handlers */
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_if_stats(struct ieee80211_txrx_data *rx) ieee80211_rx_h_if_stats(struct ieee80211_txrx_data *rx)
{ {
if (rx->sta) if (rx->sta)
rx->sta->channel_use_raw += rx->u.rx.load; rx->sta->channel_use_raw += rx->u.rx.load;
rx->sdata->channel_use_raw += rx->u.rx.load; rx->sdata->channel_use_raw += rx->u.rx.load;
return TXRX_CONTINUE; return RX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx) ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_local *local = rx->local; struct ieee80211_local *local = rx->local;
...@@ -372,21 +372,21 @@ ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx) ...@@ -372,21 +372,21 @@ ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx)
if (unlikely(local->sta_sw_scanning)) { if (unlikely(local->sta_sw_scanning)) {
/* drop all the other packets during a software scan anyway */ /* drop all the other packets during a software scan anyway */
if (ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status) if (ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status)
!= TXRX_QUEUED) != RX_QUEUED)
dev_kfree_skb(skb); dev_kfree_skb(skb);
return TXRX_QUEUED; return RX_QUEUED;
} }
if (unlikely(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) { if (unlikely(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) {
/* scanning finished during invoking of handlers */ /* scanning finished during invoking of handlers */
I802_DEBUG_INC(local->rx_handlers_drop_passive_scan); I802_DEBUG_INC(local->rx_handlers_drop_passive_scan);
return TXRX_DROP; return RX_DROP;
} }
return TXRX_CONTINUE; return RX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) ieee80211_rx_h_check(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_hdr *hdr; struct ieee80211_hdr *hdr;
...@@ -401,14 +401,14 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) ...@@ -401,14 +401,14 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx)
rx->local->dot11FrameDuplicateCount++; rx->local->dot11FrameDuplicateCount++;
rx->sta->num_duplicates++; rx->sta->num_duplicates++;
} }
return TXRX_DROP; return RX_DROP;
} else } else
rx->sta->last_seq_ctrl[rx->u.rx.queue] = hdr->seq_ctrl; rx->sta->last_seq_ctrl[rx->u.rx.queue] = hdr->seq_ctrl;
} }
if (unlikely(rx->skb->len < 16)) { if (unlikely(rx->skb->len < 16)) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_short); I802_DEBUG_INC(rx->local->rx_handlers_drop_short);
return TXRX_DROP; return RX_DROP;
} }
/* Drop disallowed frame classes based on STA auth/assoc state; /* Drop disallowed frame classes based on STA auth/assoc state;
...@@ -430,23 +430,23 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) ...@@ -430,23 +430,23 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx)
|| !(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) { || !(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) {
/* Drop IBSS frames and frames for other hosts /* Drop IBSS frames and frames for other hosts
* silently. */ * silently. */
return TXRX_DROP; return RX_DROP;
} }
return TXRX_DROP; return RX_DROP;
} }
return TXRX_CONTINUE; return RX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
int keyidx; int keyidx;
int hdrlen; int hdrlen;
ieee80211_txrx_result result = TXRX_DROP; ieee80211_rx_result result = RX_DROP;
struct ieee80211_key *stakey = NULL; struct ieee80211_key *stakey = NULL;
/* /*
...@@ -476,14 +476,14 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) ...@@ -476,14 +476,14 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx)
*/ */
if (!(rx->fc & IEEE80211_FCTL_PROTECTED)) if (!(rx->fc & IEEE80211_FCTL_PROTECTED))
return TXRX_CONTINUE; return RX_CONTINUE;
/* /*
* No point in finding a key and decrypting if the frame is neither * No point in finding a key and decrypting if the frame is neither
* addressed to us nor a multicast frame. * addressed to us nor a multicast frame.
*/ */
if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))
return TXRX_CONTINUE; return RX_CONTINUE;
if (rx->sta) if (rx->sta)
stakey = rcu_dereference(rx->sta->key); stakey = rcu_dereference(rx->sta->key);
...@@ -502,12 +502,12 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) ...@@ -502,12 +502,12 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx)
*/ */
if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED))
return TXRX_CONTINUE; return RX_CONTINUE;
hdrlen = ieee80211_get_hdrlen(rx->fc); hdrlen = ieee80211_get_hdrlen(rx->fc);
if (rx->skb->len < 8 + hdrlen) if (rx->skb->len < 8 + hdrlen)
return TXRX_DROP; /* TODO: count this? */ return RX_DROP; /* TODO: count this? */
/* /*
* no need to call ieee80211_wep_get_keyidx, * no need to call ieee80211_wep_get_keyidx,
...@@ -536,7 +536,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) ...@@ -536,7 +536,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx)
printk(KERN_DEBUG "%s: RX protected frame," printk(KERN_DEBUG "%s: RX protected frame,"
" but have no key\n", rx->dev->name); " but have no key\n", rx->dev->name);
#endif /* CONFIG_MAC80211_DEBUG */ #endif /* CONFIG_MAC80211_DEBUG */
return TXRX_DROP; return RX_DROP;
} }
/* Check for weak IVs if possible */ /* Check for weak IVs if possible */
...@@ -629,7 +629,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) ...@@ -629,7 +629,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
return sent; return sent;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx)
{ {
struct sta_info *sta = rx->sta; struct sta_info *sta = rx->sta;
...@@ -637,7 +637,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) ...@@ -637,7 +637,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx)
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
if (!sta) if (!sta)
return TXRX_CONTINUE; return RX_CONTINUE;
/* Update last_rx only for IBSS packets which are for the current /* Update last_rx only for IBSS packets which are for the current
* BSSID to avoid keeping the current IBSS network alive in cases where * BSSID to avoid keeping the current IBSS network alive in cases where
...@@ -658,7 +658,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) ...@@ -658,7 +658,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx)
} }
if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))
return TXRX_CONTINUE; return RX_CONTINUE;
sta->rx_fragments++; sta->rx_fragments++;
sta->rx_bytes += rx->skb->len; sta->rx_bytes += rx->skb->len;
...@@ -685,10 +685,10 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) ...@@ -685,10 +685,10 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx)
* as a dropped packed. */ * as a dropped packed. */
sta->rx_packets++; sta->rx_packets++;
dev_kfree_skb(rx->skb); dev_kfree_skb(rx->skb);
return TXRX_QUEUED; return RX_QUEUED;
} }
return TXRX_CONTINUE; return RX_CONTINUE;
} /* ieee80211_rx_h_sta_process */ } /* ieee80211_rx_h_sta_process */
static inline struct ieee80211_fragment_entry * static inline struct ieee80211_fragment_entry *
...@@ -774,7 +774,7 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata, ...@@ -774,7 +774,7 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
return NULL; return NULL;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_hdr *hdr; struct ieee80211_hdr *hdr;
...@@ -811,7 +811,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ...@@ -811,7 +811,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
rx->key->u.ccmp.rx_pn[rx->u.rx.queue], rx->key->u.ccmp.rx_pn[rx->u.rx.queue],
CCMP_PN_LEN); CCMP_PN_LEN);
} }
return TXRX_QUEUED; return RX_QUEUED;
} }
/* This is a fragment for a frame that should already be pending in /* This is a fragment for a frame that should already be pending in
...@@ -821,7 +821,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ...@@ -821,7 +821,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
rx->u.rx.queue, hdr); rx->u.rx.queue, hdr);
if (!entry) { if (!entry) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
return TXRX_DROP; return RX_DROP;
} }
/* Verify that MPDUs within one MSDU have sequential PN values. /* Verify that MPDUs within one MSDU have sequential PN values.
...@@ -830,7 +830,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ...@@ -830,7 +830,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
int i; int i;
u8 pn[CCMP_PN_LEN], *rpn; u8 pn[CCMP_PN_LEN], *rpn;
if (!rx->key || rx->key->conf.alg != ALG_CCMP) if (!rx->key || rx->key->conf.alg != ALG_CCMP)
return TXRX_DROP; return RX_DROP;
memcpy(pn, entry->last_pn, CCMP_PN_LEN); memcpy(pn, entry->last_pn, CCMP_PN_LEN);
for (i = CCMP_PN_LEN - 1; i >= 0; i--) { for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
pn[i]++; pn[i]++;
...@@ -848,7 +848,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ...@@ -848,7 +848,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
rpn[0], rpn[1], rpn[2], rpn[3], rpn[4], rpn[0], rpn[1], rpn[2], rpn[3], rpn[4],
rpn[5], pn[0], pn[1], pn[2], pn[3], rpn[5], pn[0], pn[1], pn[2], pn[3],
pn[4], pn[5]); pn[4], pn[5]);
return TXRX_DROP; return RX_DROP;
} }
memcpy(entry->last_pn, pn, CCMP_PN_LEN); memcpy(entry->last_pn, pn, CCMP_PN_LEN);
} }
...@@ -859,7 +859,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ...@@ -859,7 +859,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
entry->extra_len += rx->skb->len; entry->extra_len += rx->skb->len;
if (rx->fc & IEEE80211_FCTL_MOREFRAGS) { if (rx->fc & IEEE80211_FCTL_MOREFRAGS) {
rx->skb = NULL; rx->skb = NULL;
return TXRX_QUEUED; return RX_QUEUED;
} }
rx->skb = __skb_dequeue(&entry->skb_list); rx->skb = __skb_dequeue(&entry->skb_list);
...@@ -869,7 +869,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ...@@ -869,7 +869,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
GFP_ATOMIC))) { GFP_ATOMIC))) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
__skb_queue_purge(&entry->skb_list); __skb_queue_purge(&entry->skb_list);
return TXRX_DROP; return RX_DROP;
} }
} }
while ((skb = __skb_dequeue(&entry->skb_list))) { while ((skb = __skb_dequeue(&entry->skb_list))) {
...@@ -887,10 +887,10 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) ...@@ -887,10 +887,10 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
rx->local->dot11MulticastReceivedFrameCount++; rx->local->dot11MulticastReceivedFrameCount++;
else else
ieee80211_led_rx(rx->local); ieee80211_led_rx(rx->local);
return TXRX_CONTINUE; return RX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
...@@ -902,11 +902,11 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) ...@@ -902,11 +902,11 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx)
(rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL || (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL ||
(rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PSPOLL || (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PSPOLL ||
!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))) !(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)))
return TXRX_CONTINUE; return RX_CONTINUE;
if ((sdata->vif.type != IEEE80211_IF_TYPE_AP) && if ((sdata->vif.type != IEEE80211_IF_TYPE_AP) &&
(sdata->vif.type != IEEE80211_IF_TYPE_VLAN)) (sdata->vif.type != IEEE80211_IF_TYPE_VLAN))
return TXRX_DROP; return RX_DROP;
skb = skb_dequeue(&rx->sta->tx_filtered); skb = skb_dequeue(&rx->sta->tx_filtered);
if (!skb) { if (!skb) {
...@@ -957,14 +957,14 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) ...@@ -957,14 +957,14 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx)
} }
/* Free PS Poll skb here instead of returning TXRX_DROP that would /* Free PS Poll skb here instead of returning RX_DROP that would
* count as an dropped frame. */ * count as an dropped frame. */
dev_kfree_skb(rx->skb); dev_kfree_skb(rx->skb);
return TXRX_QUEUED; return RX_QUEUED;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx)
{ {
u16 fc = rx->fc; u16 fc = rx->fc;
...@@ -972,7 +972,7 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) ...@@ -972,7 +972,7 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx)
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data;
if (!WLAN_FC_IS_QOS_DATA(fc)) if (!WLAN_FC_IS_QOS_DATA(fc))
return TXRX_CONTINUE; return RX_CONTINUE;
/* remove the qos control field, update frame type and meta-data */ /* remove the qos control field, update frame type and meta-data */
memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2); memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2);
...@@ -981,7 +981,7 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) ...@@ -981,7 +981,7 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx)
rx->fc = fc &= ~IEEE80211_STYPE_QOS_DATA; rx->fc = fc &= ~IEEE80211_STYPE_QOS_DATA;
hdr->frame_control = cpu_to_le16(fc); hdr->frame_control = cpu_to_le16(fc);
return TXRX_CONTINUE; return RX_CONTINUE;
} }
static int static int
...@@ -1238,7 +1238,7 @@ ieee80211_deliver_skb(struct ieee80211_txrx_data *rx) ...@@ -1238,7 +1238,7 @@ ieee80211_deliver_skb(struct ieee80211_txrx_data *rx)
} }
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
{ {
struct net_device *dev = rx->dev; struct net_device *dev = rx->dev;
...@@ -1254,17 +1254,17 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ...@@ -1254,17 +1254,17 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
fc = rx->fc; fc = rx->fc;
if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA))
return TXRX_CONTINUE; return RX_CONTINUE;
if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
return TXRX_DROP; return RX_DROP;
if (!(rx->flags & IEEE80211_TXRXD_RX_AMSDU)) if (!(rx->flags & IEEE80211_TXRXD_RX_AMSDU))
return TXRX_CONTINUE; return RX_CONTINUE;
err = ieee80211_data_to_8023(rx); err = ieee80211_data_to_8023(rx);
if (unlikely(err)) if (unlikely(err))
return TXRX_DROP; return RX_DROP;
skb->dev = dev; skb->dev = dev;
...@@ -1274,7 +1274,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ...@@ -1274,7 +1274,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
/* skip the wrapping header */ /* skip the wrapping header */
eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr)); eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr));
if (!eth) if (!eth)
return TXRX_DROP; return RX_DROP;
while (skb != frame) { while (skb != frame) {
u8 padding; u8 padding;
...@@ -1289,7 +1289,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ...@@ -1289,7 +1289,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
/* the last MSDU has no padding */ /* the last MSDU has no padding */
if (subframe_len > remaining) { if (subframe_len > remaining) {
printk(KERN_DEBUG "%s: wrong buffer size", dev->name); printk(KERN_DEBUG "%s: wrong buffer size", dev->name);
return TXRX_DROP; return RX_DROP;
} }
skb_pull(skb, sizeof(struct ethhdr)); skb_pull(skb, sizeof(struct ethhdr));
...@@ -1301,7 +1301,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ...@@ -1301,7 +1301,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
subframe_len); subframe_len);
if (frame == NULL) if (frame == NULL)
return TXRX_DROP; return RX_DROP;
skb_reserve(frame, local->hw.extra_tx_headroom + skb_reserve(frame, local->hw.extra_tx_headroom +
sizeof(struct ethhdr)); sizeof(struct ethhdr));
...@@ -1314,7 +1314,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ...@@ -1314,7 +1314,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
printk(KERN_DEBUG "%s: wrong buffer size ", printk(KERN_DEBUG "%s: wrong buffer size ",
dev->name); dev->name);
dev_kfree_skb(frame); dev_kfree_skb(frame);
return TXRX_DROP; return RX_DROP;
} }
} }
...@@ -1344,7 +1344,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ...@@ -1344,7 +1344,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
if (!ieee80211_frame_allowed(rx)) { if (!ieee80211_frame_allowed(rx)) {
if (skb == frame) /* last frame */ if (skb == frame) /* last frame */
return TXRX_DROP; return RX_DROP;
dev_kfree_skb(frame); dev_kfree_skb(frame);
continue; continue;
} }
...@@ -1352,10 +1352,10 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) ...@@ -1352,10 +1352,10 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx)
ieee80211_deliver_skb(rx); ieee80211_deliver_skb(rx);
} }
return TXRX_QUEUED; return RX_QUEUED;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) ieee80211_rx_h_data(struct ieee80211_txrx_data *rx)
{ {
struct net_device *dev = rx->dev; struct net_device *dev = rx->dev;
...@@ -1364,17 +1364,17 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) ...@@ -1364,17 +1364,17 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx)
fc = rx->fc; fc = rx->fc;
if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA))
return TXRX_CONTINUE; return RX_CONTINUE;
if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
return TXRX_DROP; return RX_DROP;
err = ieee80211_data_to_8023(rx); err = ieee80211_data_to_8023(rx);
if (unlikely(err)) if (unlikely(err))
return TXRX_DROP; return RX_DROP;
if (!ieee80211_frame_allowed(rx)) if (!ieee80211_frame_allowed(rx))
return TXRX_DROP; return RX_DROP;
rx->skb->dev = dev; rx->skb->dev = dev;
...@@ -1383,10 +1383,10 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) ...@@ -1383,10 +1383,10 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx)
ieee80211_deliver_skb(rx); ieee80211_deliver_skb(rx);
return TXRX_QUEUED; return RX_QUEUED;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx) ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_local *local = rx->local; struct ieee80211_local *local = rx->local;
...@@ -1398,15 +1398,15 @@ ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx) ...@@ -1398,15 +1398,15 @@ ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx)
u16 tid; u16 tid;
if (likely((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL)) if (likely((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL))
return TXRX_CONTINUE; return RX_CONTINUE;
if ((rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BACK_REQ) { if ((rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BACK_REQ) {
if (!rx->sta) if (!rx->sta)
return TXRX_CONTINUE; return RX_CONTINUE;
tid = le16_to_cpu(bar->control) >> 12; tid = le16_to_cpu(bar->control) >> 12;
tid_agg_rx = &(rx->sta->ampdu_mlme.tid_rx[tid]); tid_agg_rx = &(rx->sta->ampdu_mlme.tid_rx[tid]);
if (tid_agg_rx->state != HT_AGG_STATE_OPERATIONAL) if (tid_agg_rx->state != HT_AGG_STATE_OPERATIONAL)
return TXRX_CONTINUE; return RX_CONTINUE;
start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4; start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4;
...@@ -1423,19 +1423,19 @@ ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx) ...@@ -1423,19 +1423,19 @@ ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx)
ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL, ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL,
start_seq_num, 1); start_seq_num, 1);
rcu_read_unlock(); rcu_read_unlock();
return TXRX_DROP; return RX_DROP;
} }
return TXRX_CONTINUE; return RX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_rx_result
ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx) ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_sub_if_data *sdata; struct ieee80211_sub_if_data *sdata;
if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))
return TXRX_DROP; return RX_DROP;
sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
if ((sdata->vif.type == IEEE80211_IF_TYPE_STA || if ((sdata->vif.type == IEEE80211_IF_TYPE_STA ||
...@@ -1443,39 +1443,39 @@ ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx) ...@@ -1443,39 +1443,39 @@ ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx)
!(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)) !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME))
ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status); ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status);
else else
return TXRX_DROP; return RX_DROP;
return TXRX_QUEUED; return RX_QUEUED;
} }
static inline ieee80211_txrx_result __ieee80211_invoke_rx_handlers( static inline ieee80211_rx_result __ieee80211_invoke_rx_handlers(
struct ieee80211_local *local, struct ieee80211_local *local,
ieee80211_rx_handler *handlers, ieee80211_rx_handler *handlers,
struct ieee80211_txrx_data *rx, struct ieee80211_txrx_data *rx,
struct sta_info *sta) struct sta_info *sta)
{ {
ieee80211_rx_handler *handler; ieee80211_rx_handler *handler;
ieee80211_txrx_result res = TXRX_DROP; ieee80211_rx_result res = RX_DROP;
for (handler = handlers; *handler != NULL; handler++) { for (handler = handlers; *handler != NULL; handler++) {
res = (*handler)(rx); res = (*handler)(rx);
switch (res) { switch (res) {
case TXRX_CONTINUE: case RX_CONTINUE:
continue; continue;
case TXRX_DROP: case RX_DROP:
I802_DEBUG_INC(local->rx_handlers_drop); I802_DEBUG_INC(local->rx_handlers_drop);
if (sta) if (sta)
sta->rx_dropped++; sta->rx_dropped++;
break; break;
case TXRX_QUEUED: case RX_QUEUED:
I802_DEBUG_INC(local->rx_handlers_queued); I802_DEBUG_INC(local->rx_handlers_queued);
break; break;
} }
break; break;
} }
if (res == TXRX_DROP) if (res == RX_DROP)
dev_kfree_skb(rx->skb); dev_kfree_skb(rx->skb);
return res; return res;
} }
...@@ -1486,7 +1486,7 @@ static inline void ieee80211_invoke_rx_handlers(struct ieee80211_local *local, ...@@ -1486,7 +1486,7 @@ static inline void ieee80211_invoke_rx_handlers(struct ieee80211_local *local,
struct sta_info *sta) struct sta_info *sta)
{ {
if (__ieee80211_invoke_rx_handlers(local, handlers, rx, sta) == if (__ieee80211_invoke_rx_handlers(local, handlers, rx, sta) ==
TXRX_CONTINUE) RX_CONTINUE)
dev_kfree_skb(rx->skb); dev_kfree_skb(rx->skb);
} }
......
net/mac80211/tx.c
浏览文件 @ 9ae54c84
...@@ -232,7 +232,7 @@ static int inline is_ieee80211_device(struct net_device *dev, ...@@ -232,7 +232,7 @@ static int inline is_ieee80211_device(struct net_device *dev,
/* tx handlers */ /* tx handlers */
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
{ {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
...@@ -242,15 +242,15 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) ...@@ -242,15 +242,15 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
u32 sta_flags; u32 sta_flags;
if (unlikely(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) if (unlikely(tx->flags & IEEE80211_TXRXD_TX_INJECTED))
return TXRX_CONTINUE; return TX_CONTINUE;
if (unlikely(tx->local->sta_sw_scanning) && if (unlikely(tx->local->sta_sw_scanning) &&
((tx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT || ((tx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
(tx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PROBE_REQ)) (tx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PROBE_REQ))
return TXRX_DROP; return TX_DROP;
if (tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED) if (tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED)
return TXRX_CONTINUE; return TX_CONTINUE;
sta_flags = tx->sta ? tx->sta->flags : 0; sta_flags = tx->sta ? tx->sta->flags : 0;
...@@ -265,7 +265,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) ...@@ -265,7 +265,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
tx->dev->name, print_mac(mac, hdr->addr1)); tx->dev->name, print_mac(mac, hdr->addr1));
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc); I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc);
return TXRX_DROP; return TX_DROP;
} }
} else { } else {
if (unlikely((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA && if (unlikely((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
...@@ -275,15 +275,15 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) ...@@ -275,15 +275,15 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
* No associated STAs - no need to send multicast * No associated STAs - no need to send multicast
* frames. * frames.
*/ */
return TXRX_DROP; return TX_DROP;
} }
return TXRX_CONTINUE; return TX_CONTINUE;
} }
return TXRX_CONTINUE; return TX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx) ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx)
{ {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
...@@ -291,7 +291,7 @@ ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx) ...@@ -291,7 +291,7 @@ ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx)
if (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)) >= 24) if (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)) >= 24)
ieee80211_include_sequence(tx->sdata, hdr); ieee80211_include_sequence(tx->sdata, hdr);
return TXRX_CONTINUE; return TX_CONTINUE;
} }
/* This function is called whenever the AP is about to exceed the maximum limit /* This function is called whenever the AP is about to exceed the maximum limit
...@@ -341,7 +341,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) ...@@ -341,7 +341,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
wiphy_name(local->hw.wiphy), purged); wiphy_name(local->hw.wiphy), purged);
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx)
{ {
/* /*
...@@ -354,11 +354,11 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) ...@@ -354,11 +354,11 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx)
/* not AP/IBSS or ordered frame */ /* not AP/IBSS or ordered frame */
if (!tx->sdata->bss || (tx->fc & IEEE80211_FCTL_ORDER)) if (!tx->sdata->bss || (tx->fc & IEEE80211_FCTL_ORDER))
return TXRX_CONTINUE; return TX_CONTINUE;
/* no stations in PS mode */ /* no stations in PS mode */
if (!atomic_read(&tx->sdata->bss->num_sta_ps)) if (!atomic_read(&tx->sdata->bss->num_sta_ps))
return TXRX_CONTINUE; return TX_CONTINUE;
/* buffered in mac80211 */ /* buffered in mac80211 */
if (tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) { if (tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) {
...@@ -375,16 +375,16 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) ...@@ -375,16 +375,16 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx)
} else } else
tx->local->total_ps_buffered++; tx->local->total_ps_buffered++;
skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb); skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
return TXRX_QUEUED; return TX_QUEUED;
} }
/* buffered in hardware */ /* buffered in hardware */
tx->u.tx.control->flags |= IEEE80211_TXCTL_SEND_AFTER_DTIM; tx->u.tx.control->flags |= IEEE80211_TXCTL_SEND_AFTER_DTIM;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx)
{ {
struct sta_info *sta = tx->sta; struct sta_info *sta = tx->sta;
...@@ -393,7 +393,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) ...@@ -393,7 +393,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx)
if (unlikely(!sta || if (unlikely(!sta ||
((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT && ((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT &&
(tx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP))) (tx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP)))
return TXRX_CONTINUE; return TX_CONTINUE;
if (unlikely((sta->flags & WLAN_STA_PS) && !sta->pspoll)) { if (unlikely((sta->flags & WLAN_STA_PS) && !sta->pspoll)) {
struct ieee80211_tx_packet_data *pkt_data; struct ieee80211_tx_packet_data *pkt_data;
...@@ -427,7 +427,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) ...@@ -427,7 +427,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx)
pkt_data = (struct ieee80211_tx_packet_data *)tx->skb->cb; pkt_data = (struct ieee80211_tx_packet_data *)tx->skb->cb;
pkt_data->jiffies = jiffies; pkt_data->jiffies = jiffies;
skb_queue_tail(&sta->ps_tx_buf, tx->skb); skb_queue_tail(&sta->ps_tx_buf, tx->skb);
return TXRX_QUEUED; return TX_QUEUED;
} }
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
else if (unlikely(sta->flags & WLAN_STA_PS)) { else if (unlikely(sta->flags & WLAN_STA_PS)) {
...@@ -438,14 +438,14 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) ...@@ -438,14 +438,14 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx)
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
sta->pspoll = 0; sta->pspoll = 0;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx) ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx)
{ {
if (unlikely(tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED)) if (unlikely(tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED))
return TXRX_CONTINUE; return TX_CONTINUE;
if (tx->flags & IEEE80211_TXRXD_TXUNICAST) if (tx->flags & IEEE80211_TXRXD_TXUNICAST)
return ieee80211_tx_h_unicast_ps_buf(tx); return ieee80211_tx_h_unicast_ps_buf(tx);
...@@ -453,7 +453,7 @@ ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx) ...@@ -453,7 +453,7 @@ ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx)
return ieee80211_tx_h_multicast_ps_buf(tx); return ieee80211_tx_h_multicast_ps_buf(tx);
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx)
{ {
struct ieee80211_key *key; struct ieee80211_key *key;
...@@ -469,7 +469,7 @@ ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) ...@@ -469,7 +469,7 @@ ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx)
!(tx->u.tx.control->flags & IEEE80211_TXCTL_EAPOL_FRAME) && !(tx->u.tx.control->flags & IEEE80211_TXCTL_EAPOL_FRAME) &&
!(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) { !(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) {
I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
return TXRX_DROP; return TX_DROP;
} else } else
tx->key = NULL; tx->key = NULL;
...@@ -498,10 +498,10 @@ ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) ...@@ -498,10 +498,10 @@ ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx)
if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx)
{ {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
...@@ -513,7 +513,7 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) ...@@ -513,7 +513,7 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx)
int frag_threshold = tx->local->fragmentation_threshold; int frag_threshold = tx->local->fragmentation_threshold;
if (!(tx->flags & IEEE80211_TXRXD_FRAGMENTED)) if (!(tx->flags & IEEE80211_TXRXD_FRAGMENTED))
return TXRX_CONTINUE; return TX_CONTINUE;
first = tx->skb; first = tx->skb;
...@@ -567,7 +567,7 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) ...@@ -567,7 +567,7 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx)
tx->u.tx.num_extra_frag = num_fragm - 1; tx->u.tx.num_extra_frag = num_fragm - 1;
tx->u.tx.extra_frag = frags; tx->u.tx.extra_frag = frags;
return TXRX_CONTINUE; return TX_CONTINUE;
fail: fail:
printk(KERN_DEBUG "%s: failed to fragment frame\n", tx->dev->name); printk(KERN_DEBUG "%s: failed to fragment frame\n", tx->dev->name);
...@@ -578,14 +578,14 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) ...@@ -578,14 +578,14 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx)
kfree(frags); kfree(frags);
} }
I802_DEBUG_INC(tx->local->tx_handlers_drop_fragment); I802_DEBUG_INC(tx->local->tx_handlers_drop_fragment);
return TXRX_DROP; return TX_DROP;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx) ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx)
{ {
if (!tx->key) if (!tx->key)
return TXRX_CONTINUE; return TX_CONTINUE;
switch (tx->key->conf.alg) { switch (tx->key->conf.alg) {
case ALG_WEP: case ALG_WEP:
...@@ -598,10 +598,10 @@ ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx) ...@@ -598,10 +598,10 @@ ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx)
/* not reached */ /* not reached */
WARN_ON(1); WARN_ON(1);
return TXRX_DROP; return TX_DROP;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
{ {
struct rate_selection rsel; struct rate_selection rsel;
...@@ -622,7 +622,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) ...@@ -622,7 +622,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
tx->u.tx.control->alt_retry_rate = NULL; tx->u.tx.control->alt_retry_rate = NULL;
if (!tx->u.tx.rate) if (!tx->u.tx.rate)
return TXRX_DROP; return TX_DROP;
} else } else
tx->u.tx.control->alt_retry_rate = NULL; tx->u.tx.control->alt_retry_rate = NULL;
...@@ -642,10 +642,10 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) ...@@ -642,10 +642,10 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
} }
tx->u.tx.control->tx_rate = tx->u.tx.rate; tx->u.tx.control->tx_rate = tx->u.tx.rate;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
{ {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
...@@ -754,10 +754,10 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) ...@@ -754,10 +754,10 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
} }
} }
return TXRX_CONTINUE; return TX_CONTINUE;
} }
static ieee80211_txrx_result static ieee80211_tx_result
ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx)
{ {
struct ieee80211_local *local = tx->local; struct ieee80211_local *local = tx->local;
...@@ -810,7 +810,7 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) ...@@ -810,7 +810,7 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx)
tx->sta->channel_use_raw += load; tx->sta->channel_use_raw += load;
tx->sdata->channel_use_raw += load; tx->sdata->channel_use_raw += load;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
/* TODO: implement register/unregister functions for adding TX/RX handlers /* TODO: implement register/unregister functions for adding TX/RX handlers
...@@ -837,7 +837,7 @@ ieee80211_tx_handler ieee80211_tx_handlers[] = ...@@ -837,7 +837,7 @@ ieee80211_tx_handler ieee80211_tx_handlers[] =
* deal with packet injection down monitor interface * deal with packet injection down monitor interface
* with Radiotap Header -- only called for monitor mode interface * with Radiotap Header -- only called for monitor mode interface
*/ */
static ieee80211_txrx_result static ieee80211_tx_result
__ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx,
struct sk_buff *skb) struct sk_buff *skb)
{ {
...@@ -926,7 +926,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, ...@@ -926,7 +926,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx,
* on transmission * on transmission
*/ */
if (skb->len < (iterator.max_length + FCS_LEN)) if (skb->len < (iterator.max_length + FCS_LEN))
return TXRX_DROP; return TX_DROP;
skb_trim(skb, skb->len - FCS_LEN); skb_trim(skb, skb->len - FCS_LEN);
} }
...@@ -949,7 +949,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, ...@@ -949,7 +949,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx,
} }
if (ret != -ENOENT) /* ie, if we didn't simply run out of fields */ if (ret != -ENOENT) /* ie, if we didn't simply run out of fields */
return TXRX_DROP; return TX_DROP;
/* /*
* remove the radiotap header * remove the radiotap header
...@@ -958,13 +958,13 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, ...@@ -958,13 +958,13 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx,
*/ */
skb_pull(skb, iterator.max_length); skb_pull(skb, iterator.max_length);
return TXRX_CONTINUE; return TX_CONTINUE;
} }
/* /*
* initialises @tx * initialises @tx
*/ */
static ieee80211_txrx_result static ieee80211_tx_result
__ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx,
struct sk_buff *skb, struct sk_buff *skb,
struct net_device *dev, struct net_device *dev,
...@@ -991,8 +991,8 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, ...@@ -991,8 +991,8 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx,
/* process and remove the injection radiotap header */ /* process and remove the injection radiotap header */
sdata = IEEE80211_DEV_TO_SUB_IF(dev); sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (unlikely(sdata->vif.type == IEEE80211_IF_TYPE_MNTR)) { if (unlikely(sdata->vif.type == IEEE80211_IF_TYPE_MNTR)) {
if (__ieee80211_parse_tx_radiotap(tx, skb) == TXRX_DROP) if (__ieee80211_parse_tx_radiotap(tx, skb) == TX_DROP)
return TXRX_DROP; return TX_DROP;
/* /*
* __ieee80211_parse_tx_radiotap has now removed * __ieee80211_parse_tx_radiotap has now removed
...@@ -1037,7 +1037,7 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, ...@@ -1037,7 +1037,7 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx,
} }
control->flags |= IEEE80211_TXCTL_FIRST_FRAGMENT; control->flags |= IEEE80211_TXCTL_FIRST_FRAGMENT;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
/* /*
...@@ -1131,7 +1131,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, ...@@ -1131,7 +1131,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
struct sta_info *sta; struct sta_info *sta;
ieee80211_tx_handler *handler; ieee80211_tx_handler *handler;
struct ieee80211_txrx_data tx; struct ieee80211_txrx_data tx;
ieee80211_txrx_result res = TXRX_DROP, res_prepare; ieee80211_tx_result res = TX_DROP, res_prepare;
int ret, i; int ret, i;
WARN_ON(__ieee80211_queue_pending(local, control->queue)); WARN_ON(__ieee80211_queue_pending(local, control->queue));
...@@ -1144,7 +1144,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, ...@@ -1144,7 +1144,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
/* initialises tx */ /* initialises tx */
res_prepare = __ieee80211_tx_prepare(&tx, skb, dev, control); res_prepare = __ieee80211_tx_prepare(&tx, skb, dev, control);
if (res_prepare == TXRX_DROP) { if (res_prepare == TX_DROP) {
dev_kfree_skb(skb); dev_kfree_skb(skb);
return 0; return 0;
} }
...@@ -1161,7 +1161,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, ...@@ -1161,7 +1161,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
for (handler = local->tx_handlers; *handler != NULL; for (handler = local->tx_handlers; *handler != NULL;
handler++) { handler++) {
res = (*handler)(&tx); res = (*handler)(&tx);
if (res != TXRX_CONTINUE) if (res != TX_CONTINUE)
break; break;
} }
...@@ -1170,12 +1170,12 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, ...@@ -1170,12 +1170,12 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
if (sta) if (sta)
sta_info_put(sta); sta_info_put(sta);
if (unlikely(res == TXRX_DROP)) { if (unlikely(res == TX_DROP)) {
I802_DEBUG_INC(local->tx_handlers_drop); I802_DEBUG_INC(local->tx_handlers_drop);
goto drop; goto drop;
} }
if (unlikely(res == TXRX_QUEUED)) { if (unlikely(res == TX_QUEUED)) {
I802_DEBUG_INC(local->tx_handlers_queued); I802_DEBUG_INC(local->tx_handlers_queued);
rcu_read_unlock(); rcu_read_unlock();
return 0; return 0;
...@@ -1864,7 +1864,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, ...@@ -1864,7 +1864,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
struct sta_info *sta; struct sta_info *sta;
ieee80211_tx_handler *handler; ieee80211_tx_handler *handler;
struct ieee80211_txrx_data tx; struct ieee80211_txrx_data tx;
ieee80211_txrx_result res = TXRX_DROP; ieee80211_tx_result res = TX_DROP;
struct net_device *bdev; struct net_device *bdev;
struct ieee80211_sub_if_data *sdata; struct ieee80211_sub_if_data *sdata;
struct ieee80211_if_ap *bss = NULL; struct ieee80211_if_ap *bss = NULL;
...@@ -1916,16 +1916,16 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, ...@@ -1916,16 +1916,16 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
for (handler = local->tx_handlers; *handler != NULL; handler++) { for (handler = local->tx_handlers; *handler != NULL; handler++) {
res = (*handler)(&tx); res = (*handler)(&tx);
if (res == TXRX_DROP || res == TXRX_QUEUED) if (res == TX_DROP || res == TX_QUEUED)
break; break;
} }
skb = tx.skb; /* handlers are allowed to change skb */ skb = tx.skb; /* handlers are allowed to change skb */
if (res == TXRX_DROP) { if (res == TX_DROP) {
I802_DEBUG_INC(local->tx_handlers_drop); I802_DEBUG_INC(local->tx_handlers_drop);
dev_kfree_skb(skb); dev_kfree_skb(skb);
skb = NULL; skb = NULL;
} else if (res == TXRX_QUEUED) { } else if (res == TX_QUEUED) {
I802_DEBUG_INC(local->tx_handlers_queued); I802_DEBUG_INC(local->tx_handlers_queued);
skb = NULL; skb = NULL;
} }
......
net/mac80211/wep.c
浏览文件 @ 9ae54c84
...@@ -305,13 +305,13 @@ u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key) ...@@ -305,13 +305,13 @@ u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
return NULL; return NULL;
} }
ieee80211_txrx_result ieee80211_rx_result
ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx)
{ {
if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA && if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA &&
((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT || ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
(rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH)) (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH))
return TXRX_CONTINUE; return RX_CONTINUE;
if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) {
if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) { if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) {
...@@ -320,7 +320,7 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) ...@@ -320,7 +320,7 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx)
printk(KERN_DEBUG "%s: RX WEP frame, decrypt " printk(KERN_DEBUG "%s: RX WEP frame, decrypt "
"failed\n", rx->dev->name); "failed\n", rx->dev->name);
#endif /* CONFIG_MAC80211_DEBUG */ #endif /* CONFIG_MAC80211_DEBUG */
return TXRX_DROP; return RX_DROP;
} }
} else if (!(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) { } else if (!(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) {
ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key); ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key);
...@@ -328,7 +328,7 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) ...@@ -328,7 +328,7 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx)
skb_trim(rx->skb, rx->skb->len - 4); skb_trim(rx->skb, rx->skb->len - 4);
} }
return TXRX_CONTINUE; return RX_CONTINUE;
} }
static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb) static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb)
...@@ -346,7 +346,7 @@ static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb) ...@@ -346,7 +346,7 @@ static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb)
return 0; return 0;
} }
ieee80211_txrx_result ieee80211_tx_result
ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx) ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx)
{ {
tx->u.tx.control->iv_len = WEP_IV_LEN; tx->u.tx.control->iv_len = WEP_IV_LEN;
...@@ -355,7 +355,7 @@ ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx) ...@@ -355,7 +355,7 @@ ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx)
if (wep_encrypt_skb(tx, tx->skb) < 0) { if (wep_encrypt_skb(tx, tx->skb) < 0) {
I802_DEBUG_INC(tx->local->tx_handlers_drop_wep); I802_DEBUG_INC(tx->local->tx_handlers_drop_wep);
return TXRX_DROP; return TX_DROP;
} }
if (tx->u.tx.extra_frag) { if (tx->u.tx.extra_frag) {
...@@ -364,10 +364,10 @@ ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx) ...@@ -364,10 +364,10 @@ ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx)
if (wep_encrypt_skb(tx, tx->u.tx.extra_frag[i]) < 0) { if (wep_encrypt_skb(tx, tx->u.tx.extra_frag[i]) < 0) {
I802_DEBUG_INC(tx->local-> I802_DEBUG_INC(tx->local->
tx_handlers_drop_wep); tx_handlers_drop_wep);
return TXRX_DROP; return TX_DROP;
} }
} }
} }
return TXRX_CONTINUE; return TX_CONTINUE;
} }
net/mac80211/wep.h
浏览文件 @ 9ae54c84
...@@ -28,9 +28,9 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb, ...@@ -28,9 +28,9 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_key *key); struct ieee80211_key *key);
u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key); u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
ieee80211_txrx_result ieee80211_rx_result
ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx); ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx);
ieee80211_txrx_result ieee80211_tx_result
ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx); ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx);
#endif /* WEP_H */ #endif /* WEP_H */
net/mac80211/wpa.c
浏览文件 @ 9ae54c84
...@@ -70,7 +70,7 @@ static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da, ...@@ -70,7 +70,7 @@ static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da,
} }
ieee80211_txrx_result ieee80211_tx_result
ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
{ {
u8 *data, *sa, *da, *key, *mic, qos_tid; u8 *data, *sa, *da, *key, *mic, qos_tid;
...@@ -84,10 +84,10 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) ...@@ -84,10 +84,10 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 || if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 ||
!WLAN_FC_DATA_PRESENT(fc)) !WLAN_FC_DATA_PRESENT(fc))
return TXRX_CONTINUE; return TX_CONTINUE;
if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)) if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len))
return TXRX_DROP; return TX_DROP;
if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
!(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && !(tx->flags & IEEE80211_TXRXD_FRAGMENTED) &&
...@@ -95,7 +95,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) ...@@ -95,7 +95,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
!wpa_test) { !wpa_test) {
/* hwaccel - with no need for preallocated room for Michael MIC /* hwaccel - with no need for preallocated room for Michael MIC
*/ */
return TXRX_CONTINUE; return TX_CONTINUE;
} }
if (skb_tailroom(skb) < MICHAEL_MIC_LEN) { if (skb_tailroom(skb) < MICHAEL_MIC_LEN) {
...@@ -105,7 +105,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) ...@@ -105,7 +105,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
GFP_ATOMIC))) { GFP_ATOMIC))) {
printk(KERN_DEBUG "%s: failed to allocate more memory " printk(KERN_DEBUG "%s: failed to allocate more memory "
"for Michael MIC\n", tx->dev->name); "for Michael MIC\n", tx->dev->name);
return TXRX_DROP; return TX_DROP;
} }
} }
...@@ -119,11 +119,11 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) ...@@ -119,11 +119,11 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
mic = skb_put(skb, MICHAEL_MIC_LEN); mic = skb_put(skb, MICHAEL_MIC_LEN);
michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
return TXRX_CONTINUE; return TX_CONTINUE;
} }
ieee80211_txrx_result ieee80211_rx_result
ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
{ {
u8 *data, *sa, *da, *key = NULL, qos_tid; u8 *data, *sa, *da, *key = NULL, qos_tid;
...@@ -140,15 +140,15 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) ...@@ -140,15 +140,15 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
* No way to verify the MIC if the hardware stripped it * No way to verify the MIC if the hardware stripped it
*/ */
if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED) if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED)
return TXRX_CONTINUE; return RX_CONTINUE;
if (!rx->key || rx->key->conf.alg != ALG_TKIP || if (!rx->key || rx->key->conf.alg != ALG_TKIP ||
!(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc)) !(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc))
return TXRX_CONTINUE; return RX_CONTINUE;
if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len) if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)
|| data_len < MICHAEL_MIC_LEN) || data_len < MICHAEL_MIC_LEN)
return TXRX_DROP; return RX_DROP;
data_len -= MICHAEL_MIC_LEN; data_len -= MICHAEL_MIC_LEN;
...@@ -162,14 +162,14 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) ...@@ -162,14 +162,14 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) { if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) {
if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))
return TXRX_DROP; return RX_DROP;
printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from " printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from "
"%s\n", rx->dev->name, print_mac(mac, sa)); "%s\n", rx->dev->name, print_mac(mac, sa));
mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx, mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx,
(void *) skb->data); (void *) skb->data);
return TXRX_DROP; return RX_DROP;
} }
/* remove Michael MIC from payload */ /* remove Michael MIC from payload */
...@@ -179,7 +179,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) ...@@ -179,7 +179,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32; rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32;
rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16; rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16;
return TXRX_CONTINUE; return RX_CONTINUE;
} }
...@@ -242,7 +242,7 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, ...@@ -242,7 +242,7 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx,
} }
ieee80211_txrx_result ieee80211_tx_result
ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx)
{ {
struct sk_buff *skb = tx->skb; struct sk_buff *skb = tx->skb;
...@@ -257,26 +257,26 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) ...@@ -257,26 +257,26 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx)
!wpa_test) { !wpa_test) {
/* hwaccel - with no need for preallocated room for IV/ICV */ /* hwaccel - with no need for preallocated room for IV/ICV */
tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
if (tkip_encrypt_skb(tx, skb, test) < 0) if (tkip_encrypt_skb(tx, skb, test) < 0)
return TXRX_DROP; return TX_DROP;
if (tx->u.tx.extra_frag) { if (tx->u.tx.extra_frag) {
int i; int i;
for (i = 0; i < tx->u.tx.num_extra_frag; i++) { for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
< 0) < 0)
return TXRX_DROP; return TX_DROP;
} }
} }
return TXRX_CONTINUE; return TX_CONTINUE;
} }
ieee80211_txrx_result ieee80211_rx_result
ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
...@@ -290,10 +290,10 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) ...@@ -290,10 +290,10 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
hdrlen = ieee80211_get_hdrlen(fc); hdrlen = ieee80211_get_hdrlen(fc);
if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
return TXRX_CONTINUE; return RX_CONTINUE;
if (!rx->sta || skb->len - hdrlen < 12) if (!rx->sta || skb->len - hdrlen < 12)
return TXRX_DROP; return RX_DROP;
if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) { if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) {
if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) { if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) {
...@@ -302,7 +302,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) ...@@ -302,7 +302,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
* replay protection, and stripped the ICV/IV so * replay protection, and stripped the ICV/IV so
* we cannot do any checks here. * we cannot do any checks here.
*/ */
return TXRX_CONTINUE; return RX_CONTINUE;
} }
/* let TKIP code verify IV, but skip decryption */ /* let TKIP code verify IV, but skip decryption */
...@@ -322,7 +322,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) ...@@ -322,7 +322,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
"frame from %s (res=%d)\n", rx->dev->name, "frame from %s (res=%d)\n", rx->dev->name,
print_mac(mac, rx->sta->addr), res); print_mac(mac, rx->sta->addr), res);
#endif /* CONFIG_MAC80211_DEBUG */ #endif /* CONFIG_MAC80211_DEBUG */
return TXRX_DROP; return RX_DROP;
} }
/* Trim ICV */ /* Trim ICV */
...@@ -332,7 +332,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) ...@@ -332,7 +332,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx)
memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen); memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen);
skb_pull(skb, TKIP_IV_LEN); skb_pull(skb, TKIP_IV_LEN);
return TXRX_CONTINUE; return RX_CONTINUE;
} }
...@@ -491,7 +491,7 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, ...@@ -491,7 +491,7 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx,
} }
ieee80211_txrx_result ieee80211_tx_result
ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx)
{ {
struct sk_buff *skb = tx->skb; struct sk_buff *skb = tx->skb;
...@@ -506,26 +506,26 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) ...@@ -506,26 +506,26 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx)
/* hwaccel - with no need for preallocated room for CCMP " /* hwaccel - with no need for preallocated room for CCMP "
* header or MIC fields */ * header or MIC fields */
tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
return TXRX_CONTINUE; return TX_CONTINUE;
} }
if (ccmp_encrypt_skb(tx, skb, test) < 0) if (ccmp_encrypt_skb(tx, skb, test) < 0)
return TXRX_DROP; return TX_DROP;
if (tx->u.tx.extra_frag) { if (tx->u.tx.extra_frag) {
int i; int i;
for (i = 0; i < tx->u.tx.num_extra_frag; i++) { for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
< 0) < 0)
return TXRX_DROP; return TX_DROP;
} }
} }
return TXRX_CONTINUE; return TX_CONTINUE;
} }
ieee80211_txrx_result ieee80211_rx_result
ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
{ {
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
...@@ -541,15 +541,15 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) ...@@ -541,15 +541,15 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
hdrlen = ieee80211_get_hdrlen(fc); hdrlen = ieee80211_get_hdrlen(fc);
if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
return TXRX_CONTINUE; return RX_CONTINUE;
data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN; data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
if (!rx->sta || data_len < 0) if (!rx->sta || data_len < 0)
return TXRX_DROP; return RX_DROP;
if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED))
return TXRX_CONTINUE; return RX_CONTINUE;
(void) ccmp_hdr2pn(pn, skb->data + hdrlen); (void) ccmp_hdr2pn(pn, skb->data + hdrlen);
...@@ -565,7 +565,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) ...@@ -565,7 +565,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]); ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]);
#endif /* CONFIG_MAC80211_DEBUG */ #endif /* CONFIG_MAC80211_DEBUG */
key->u.ccmp.replays++; key->u.ccmp.replays++;
return TXRX_DROP; return RX_DROP;
} }
if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) {
...@@ -589,7 +589,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) ...@@ -589,7 +589,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
"for RX frame from %s\n", rx->dev->name, "for RX frame from %s\n", rx->dev->name,
print_mac(mac, rx->sta->addr)); print_mac(mac, rx->sta->addr));
#endif /* CONFIG_MAC80211_DEBUG */ #endif /* CONFIG_MAC80211_DEBUG */
return TXRX_DROP; return RX_DROP;
} }
} }
...@@ -600,5 +600,5 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) ...@@ -600,5 +600,5 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx)
memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen); memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen);
skb_pull(skb, CCMP_HDR_LEN); skb_pull(skb, CCMP_HDR_LEN);
return TXRX_CONTINUE; return RX_CONTINUE;
} }
net/mac80211/wpa.h
浏览文件 @ 9ae54c84
...@@ -13,19 +13,19 @@ ...@@ -13,19 +13,19 @@
#include <linux/types.h> #include <linux/types.h>
#include "ieee80211_i.h" #include "ieee80211_i.h"
ieee80211_txrx_result ieee80211_tx_result
ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx); ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx);
ieee80211_txrx_result ieee80211_rx_result
ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx); ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx);
ieee80211_txrx_result ieee80211_tx_result
ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx); ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx);
ieee80211_txrx_result ieee80211_rx_result
ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx); ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx);
ieee80211_txrx_result ieee80211_tx_result
ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx); ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx);
ieee80211_txrx_result ieee80211_rx_result
ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx); ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx);
#endif /* WPA_H */ #endif /* WPA_H */
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