diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
commit | ed40d0c472b136682b2fcba05f89762859c7374f (patch) | |
tree | 076b83a26bcd63d6158463735dd34c10bbc591dc /drivers/net/wireless/hostap/hostap_ap.c | |
parent | 9e495834e59ca9b29f1a1f63b9f5533bb022ac49 (diff) | |
parent | 5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff) |
Merge branch 'origin' into devel
Conflicts:
sound/soc/pxa/pxa2xx-i2s.c
Diffstat (limited to 'drivers/net/wireless/hostap/hostap_ap.c')
-rw-r--r-- | drivers/net/wireless/hostap/hostap_ap.c | 146 |
1 files changed, 68 insertions, 78 deletions
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index 0903db786d5..a2a203c90ba 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -19,6 +19,7 @@ #include <linux/proc_fs.h> #include <linux/delay.h> #include <linux/random.h> +#include <linux/if_arp.h> #include "hostap_wlan.h" #include "hostap.h" @@ -588,28 +589,24 @@ void hostap_check_sta_fw_version(struct ap_data *ap, int sta_fw_ver) static void hostap_ap_tx_cb(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; - u16 fc; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; if (!ap->local->hostapd || !ap->local->apdev) { dev_kfree_skb(skb); return; } - hdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); - /* Pass the TX callback frame to the hostapd; use 802.11 header version * 1 to indicate failure (no ACK) and 2 success (frame ACKed) */ - fc &= ~IEEE80211_FCTL_VERS; - fc |= ok ? BIT(1) : BIT(0); - hdr->frame_ctl = cpu_to_le16(fc); + hdr = (struct ieee80211_hdr *) skb->data; + hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_VERS); + hdr->frame_control |= cpu_to_le16(ok ? BIT(1) : BIT(0)); skb->dev = ap->local->apdev; - skb_pull(skb, hostap_80211_get_hdrlen(fc)); + skb_pull(skb, hostap_80211_get_hdrlen(hdr->frame_control)); skb->pkt_type = PACKET_OTHERHOST; - skb->protocol = __constant_htons(ETH_P_802_2); + skb->protocol = cpu_to_be16(ETH_P_802_2); memset(skb->cb, 0, sizeof(skb->cb)); netif_rx(skb); } @@ -621,8 +618,8 @@ static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; struct net_device *dev = ap->local->dev; - struct ieee80211_hdr_4addr *hdr; - u16 fc, auth_alg, auth_transaction, status; + struct ieee80211_hdr *hdr; + u16 auth_alg, auth_transaction, status; __le16 *pos; struct sta_info *sta = NULL; char *txt = NULL; @@ -632,10 +629,8 @@ static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data) return; } - hdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); - if (WLAN_FC_GET_TYPE(fc) != IEEE80211_FTYPE_MGMT || - WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_AUTH || + hdr = (struct ieee80211_hdr *) skb->data; + if (!ieee80211_is_auth(hdr->frame_control) || skb->len < IEEE80211_MGMT_HDR_LEN + 6) { printk(KERN_DEBUG "%s: hostap_ap_tx_cb_auth received invalid " "frame\n", dev->name); @@ -691,7 +686,7 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; struct net_device *dev = ap->local->dev; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; u16 fc, status; __le16 *pos; struct sta_info *sta = NULL; @@ -702,11 +697,10 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) return; } - hdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); - if (WLAN_FC_GET_TYPE(fc) != IEEE80211_FTYPE_MGMT || - (WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_ASSOC_RESP && - WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_REASSOC_RESP) || + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_control); + if ((!ieee80211_is_assoc_resp(hdr->frame_control) && + !ieee80211_is_reassoc_resp(hdr->frame_control)) || skb->len < IEEE80211_MGMT_HDR_LEN + 4) { printk(KERN_DEBUG "%s: hostap_ap_tx_cb_assoc received invalid " "frame\n", dev->name); @@ -757,12 +751,12 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) static void hostap_ap_tx_cb_poll(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; struct sta_info *sta; if (skb->len < 24) goto fail; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; if (ok) { spin_lock(&ap->sta_table_lock); sta = ap_get_sta(ap, hdr->addr1); @@ -917,7 +911,7 @@ static void prism2_send_mgmt(struct net_device *dev, { struct hostap_interface *iface; local_info_t *local; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; u16 fc; struct sk_buff *skb; struct hostap_skb_tx_data *meta; @@ -942,8 +936,8 @@ static void prism2_send_mgmt(struct net_device *dev, } fc = type_subtype; - hdrlen = hostap_80211_get_hdrlen(fc); - hdr = (struct ieee80211_hdr_4addr *) skb_put(skb, hdrlen); + hdrlen = hostap_80211_get_hdrlen(cpu_to_le16(type_subtype)); + hdr = (struct ieee80211_hdr *) skb_put(skb, hdrlen); if (body) memcpy(skb_put(skb, body_len), body, body_len); @@ -954,11 +948,11 @@ static void prism2_send_mgmt(struct net_device *dev, memcpy(hdr->addr1, addr, ETH_ALEN); /* DA / RA */ - if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA) { + if (ieee80211_is_data(hdr->frame_control)) { fc |= IEEE80211_FCTL_FROMDS; memcpy(hdr->addr2, dev->dev_addr, ETH_ALEN); /* BSSID */ memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* SA */ - } else if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_CTL) { + } else if (ieee80211_is_ctl(hdr->frame_control)) { /* control:ACK does not have addr2 or addr3 */ memset(hdr->addr2, 0, ETH_ALEN); memset(hdr->addr3, 0, ETH_ALEN); @@ -967,7 +961,7 @@ static void prism2_send_mgmt(struct net_device *dev, memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* BSSID */ } - hdr->frame_ctl = cpu_to_le16(fc); + hdr->frame_control = cpu_to_le16(fc); meta = (struct hostap_skb_tx_data *) skb->cb; memset(meta, 0, sizeof(*meta)); @@ -1284,22 +1278,21 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; - struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; size_t hdrlen; struct ap_data *ap = local->ap; char body[8 + WLAN_AUTH_CHALLENGE_LEN], *challenge = NULL; int len, olen; u16 auth_alg, auth_transaction, status_code; __le16 *pos; - u16 resp = WLAN_STATUS_SUCCESS, fc; + u16 resp = WLAN_STATUS_SUCCESS; struct sta_info *sta = NULL; struct lib80211_crypt_data *crypt; char *txt = ""; len = skb->len - IEEE80211_MGMT_HDR_LEN; - fc = le16_to_cpu(hdr->frame_ctl); - hdrlen = hostap_80211_get_hdrlen(fc); + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); if (len < 6) { PDEBUG(DEBUG_AP, "%s: handle_authen - too short payload " @@ -1435,7 +1428,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb, challenge == NULL || memcmp(sta->u.sta.challenge, challenge, WLAN_AUTH_CHALLENGE_LEN) != 0 || - !(fc & IEEE80211_FCTL_PROTECTED)) { + !ieee80211_has_protected(hdr->frame_control)) { txt = "challenge response incorrect"; resp = WLAN_STATUS_CHALLENGE_FAIL; goto fail; @@ -1488,7 +1481,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb, "trans#=%d stat=%d len=%d fc=%04x) ==> %d (%s)\n", dev->name, hdr->addr2, auth_alg, auth_transaction, status_code, len, - fc, resp, txt); + le16_to_cpu(hdr->frame_control), resp, txt); } } @@ -1498,7 +1491,7 @@ static void handle_assoc(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats, int reassoc) { struct net_device *dev = local->dev; - struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; char body[12], *p, *lpos; int len, left; __le16 *pos; @@ -1707,7 +1700,7 @@ static void handle_deauth(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; - struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; char *body = (char *) (skb->data + IEEE80211_MGMT_HDR_LEN); int len; u16 reason_code; @@ -1749,7 +1742,7 @@ static void handle_disassoc(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; - struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; char *body = skb->data + IEEE80211_MGMT_HDR_LEN; int len; u16 reason_code; @@ -1788,7 +1781,7 @@ static void handle_disassoc(local_info_t *local, struct sk_buff *skb, /* Called only as a scheduled task for pending AP frames. */ static void ap_handle_data_nullfunc(local_info_t *local, - struct ieee80211_hdr_4addr *hdr) + struct ieee80211_hdr *hdr) { struct net_device *dev = local->dev; @@ -1805,7 +1798,7 @@ static void ap_handle_data_nullfunc(local_info_t *local, /* Called only as a scheduled task for pending AP frames. */ static void ap_handle_dropped_data(local_info_t *local, - struct ieee80211_hdr_4addr *hdr) + struct ieee80211_hdr *hdr) { struct net_device *dev = local->dev; struct sta_info *sta; @@ -1863,7 +1856,7 @@ static void pspoll_send_buffered(local_info_t *local, struct sta_info *sta, /* Called only as a scheduled task for pending AP frames. */ static void handle_pspoll(local_info_t *local, - struct ieee80211_hdr_4addr *hdr, + struct ieee80211_hdr *hdr, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; @@ -1872,8 +1865,7 @@ static void handle_pspoll(local_info_t *local, struct sk_buff *skb; PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=%pM, TA=%pM PWRMGT=%d\n", - hdr->addr1, hdr->addr2, - !!(le16_to_cpu(hdr->frame_ctl) & IEEE80211_FCTL_PM)); + hdr->addr1, hdr->addr2, !!ieee80211_has_pm(hdr->frame_control)); if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) { PDEBUG(DEBUG_AP, @@ -1984,7 +1976,7 @@ static void handle_wds_oper_queue(struct work_struct *work) static void handle_beacon(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { - struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; char *body = skb->data + IEEE80211_MGMT_HDR_LEN; int len, left; u16 beacon_int, capability; @@ -2143,14 +2135,14 @@ static void handle_ap_item(local_info_t *local, struct sk_buff *skb, struct net_device *dev = local->dev; #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ u16 fc, type, stype; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; /* FIX: should give skb->len to handler functions and check that the * buffer is long enough */ - hdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); - type = WLAN_FC_GET_TYPE(fc); - stype = WLAN_FC_GET_STYPE(fc); + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_control); + type = fc & IEEE80211_FCTL_FTYPE; + stype = fc & IEEE80211_FCTL_STYPE; #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT if (!local->hostapd && type == IEEE80211_FTYPE_DATA) { @@ -2262,8 +2254,7 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb, { struct hostap_interface *iface; local_info_t *local; - u16 fc; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; iface = netdev_priv(dev); local = iface->local; @@ -2271,17 +2262,15 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb, if (skb->len < 16) goto drop; - local->stats.rx_packets++; + dev->stats.rx_packets++; - hdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); + hdr = (struct ieee80211_hdr *) skb->data; if (local->ap->ap_policy == AP_OTHER_AP_SKIP_ALL && - WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_MGMT && - WLAN_FC_GET_STYPE(fc) == IEEE80211_STYPE_BEACON) + ieee80211_is_beacon(hdr->frame_control)) goto drop; - skb->protocol = __constant_htons(ETH_P_HOSTAP); + skb->protocol = cpu_to_be16(ETH_P_HOSTAP); handle_ap_item(local, skb, rx_stats); return; @@ -2294,7 +2283,7 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb, static void schedule_packet_send(local_info_t *local, struct sta_info *sta) { struct sk_buff *skb; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; struct hostap_80211_rx_status rx_stats; if (skb_queue_empty(&sta->tx_buf)) @@ -2307,10 +2296,10 @@ static void schedule_packet_send(local_info_t *local, struct sta_info *sta) return; } - hdr = (struct ieee80211_hdr_4addr *) skb_put(skb, 16); + hdr = (struct ieee80211_hdr *) skb_put(skb, 16); /* Generate a fake pspoll frame to start packet delivery */ - hdr->frame_ctl = __constant_cpu_to_le16( + hdr->frame_control = cpu_to_le16( IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); memcpy(hdr->addr1, local->dev->dev_addr, ETH_ALEN); memcpy(hdr->addr2, sta->addr, ETH_ALEN); @@ -2689,7 +2678,7 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx) struct sta_info *sta = NULL; struct sk_buff *skb = tx->skb; int set_tim, ret; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; struct hostap_skb_tx_data *meta; meta = (struct hostap_skb_tx_data *) skb->cb; @@ -2698,7 +2687,7 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx) meta->iface->type == HOSTAP_INTERFACE_STA) goto out; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; if (hdr->addr1[0] & 0x01) { /* broadcast/multicast frame - no AP related processing */ @@ -2753,8 +2742,8 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx) if (meta->flags & HOSTAP_TX_FLAGS_ADD_MOREDATA) { /* indicate to STA that more frames follow */ - hdr->frame_ctl |= - __constant_cpu_to_le16(IEEE80211_FCTL_MOREDATA); + hdr->frame_control |= + cpu_to_le16(IEEE80211_FCTL_MOREDATA); } if (meta->flags & HOSTAP_TX_FLAGS_BUFFERED_FRAME) { @@ -2828,10 +2817,10 @@ void hostap_handle_sta_release(void *ptr) void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb) { struct sta_info *sta; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; struct hostap_skb_tx_data *meta; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; meta = (struct hostap_skb_tx_data *) skb->cb; spin_lock(&local->ap->sta_table_lock); @@ -2898,8 +2887,8 @@ static void hostap_update_sta_ps2(local_info_t *local, struct sta_info *sta, /* Called only as a tasklet (software IRQ). Called for each RX frame to update - * STA power saving state. pwrmgt is a flag from 802.11 frame_ctl field. */ -int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr_4addr *hdr) + * STA power saving state. pwrmgt is a flag from 802.11 frame_control field. */ +int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr) { struct sta_info *sta; u16 fc; @@ -2913,9 +2902,10 @@ int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr_4addr *hdr) if (!sta) return -1; - fc = le16_to_cpu(hdr->frame_ctl); + fc = le16_to_cpu(hdr->frame_control); hostap_update_sta_ps2(local, sta, fc & IEEE80211_FCTL_PM, - WLAN_FC_GET_TYPE(fc), WLAN_FC_GET_STYPE(fc)); + fc & IEEE80211_FCTL_FTYPE, + fc & IEEE80211_FCTL_STYPE); atomic_dec(&sta->users); return 0; @@ -2932,16 +2922,16 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, int ret; struct sta_info *sta; u16 fc, type, stype; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; if (local->ap == NULL) return AP_RX_CONTINUE; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); - type = WLAN_FC_GET_TYPE(fc); - stype = WLAN_FC_GET_STYPE(fc); + fc = le16_to_cpu(hdr->frame_control); + type = fc & IEEE80211_FCTL_FTYPE; + stype = fc & IEEE80211_FCTL_STYPE; spin_lock(&local->ap->sta_table_lock); sta = ap_get_sta(local->ap, hdr->addr2); @@ -3064,7 +3054,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, /* Called only as a tasklet (software IRQ) */ int hostap_handle_sta_crypto(local_info_t *local, - struct ieee80211_hdr_4addr *hdr, + struct ieee80211_hdr *hdr, struct lib80211_crypt_data **crypt, void **sta_ptr) { @@ -3166,7 +3156,7 @@ int hostap_add_sta(struct ap_data *ap, u8 *sta_addr) /* Called only as a tasklet (software IRQ) */ int hostap_update_rx_stats(struct ap_data *ap, - struct ieee80211_hdr_4addr *hdr, + struct ieee80211_hdr *hdr, struct hostap_80211_rx_status *rx_stats) { struct sta_info *sta; |