diff options
author | Dave Airlie <airlied@redhat.com> | 2009-03-28 20:22:18 -0400 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2009-03-28 20:22:18 -0400 |
commit | 90f959bcb386da2c71613dcefc6a285e054a539e (patch) | |
tree | ee3e9dd4111d4aad12e579cb0c2c159114dff263 /drivers/net/wireless/hostap/hostap_80211_rx.c | |
parent | 41f13fe81dd1b08723ab9f3fc3c7f29cfa81f1a5 (diff) | |
parent | 07d43ba98621f08e252a48c96b258b4d572b0257 (diff) |
drm: merge Linux master into HEAD
Conflicts:
drivers/gpu/drm/drm_info.c
drivers/gpu/drm/drm_proc.c
drivers/gpu/drm/i915/i915_gem_debugfs.c
Diffstat (limited to 'drivers/net/wireless/hostap/hostap_80211_rx.c')
-rw-r--r-- | drivers/net/wireless/hostap/hostap_80211_rx.c | 111 |
1 files changed, 52 insertions, 59 deletions
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c index 19b1bf0478b..3816df96a66 100644 --- a/drivers/net/wireless/hostap/hostap_80211_rx.c +++ b/drivers/net/wireless/hostap/hostap_80211_rx.c @@ -1,5 +1,6 @@ #include <linux/etherdevice.h> #include <net/lib80211.h> +#include <linux/if_arp.h> #include "hostap_80211.h" #include "hostap.h" @@ -17,10 +18,10 @@ static unsigned char bridge_tunnel_header[] = void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; u16 fc; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; printk(KERN_DEBUG "%s: RX signal=%d noise=%d rate=%d len=%d " "jiffies=%ld\n", @@ -30,9 +31,10 @@ void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, if (skb->len < 2) return; - fc = le16_to_cpu(hdr->frame_ctl); + fc = le16_to_cpu(hdr->frame_control); printk(KERN_DEBUG " FC=0x%04x (type=%d:%d)%s%s", - fc, WLAN_FC_GET_TYPE(fc) >> 2, WLAN_FC_GET_STYPE(fc) >> 4, + fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, + (fc & IEEE80211_FCTL_STYPE) >> 4, fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); @@ -42,7 +44,7 @@ void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, } printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id), - le16_to_cpu(hdr->seq_ctl)); + le16_to_cpu(hdr->seq_ctrl)); printk(KERN_DEBUG " A1=%pM", hdr->addr1); printk(" A2=%pM", hdr->addr2); @@ -63,7 +65,7 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, int hdrlen, phdrlen, head_need, tail_need; u16 fc; int prism_header, ret; - struct ieee80211_hdr_4addr *fhdr; + struct ieee80211_hdr *fhdr; iface = netdev_priv(dev); local = iface->local; @@ -84,8 +86,8 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, phdrlen = 0; } - fhdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(fhdr->frame_ctl); + fhdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(fhdr->frame_control); if (type == PRISM2_RX_MGMT && (fc & IEEE80211_FCTL_VERS)) { printk(KERN_DEBUG "%s: dropped management frame with header " @@ -94,7 +96,7 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, return 0; } - hdrlen = hostap_80211_get_hdrlen(fc); + hdrlen = hostap_80211_get_hdrlen(fhdr->frame_control); /* check if there is enough room for extra data; if not, expand skb * buffer to be large enough for the changes */ @@ -193,7 +195,7 @@ hdr->f.status = s; hdr->f.len = l; hdr->f.data = d if (prism_header) skb_pull(skb, phdrlen); 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); @@ -205,13 +207,11 @@ hdr->f.status = s; hdr->f.len = l; hdr->f.data = d static void monitor_rx(struct net_device *dev, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { - struct net_device_stats *stats; int len; len = prism2_rx_80211(dev, skb, rx_stats, PRISM2_RX_MONITOR); - stats = hostap_get_stats(dev); - stats->rx_packets++; - stats->rx_bytes += len; + dev->stats.rx_packets++; + dev->stats.rx_bytes += len; } @@ -247,21 +247,21 @@ prism2_frag_cache_find(local_info_t *local, unsigned int seq, /* Called only as a tasklet (software IRQ) */ static struct sk_buff * -prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr_4addr *hdr) +prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr *hdr) { struct sk_buff *skb = NULL; u16 sc; unsigned int frag, seq; struct prism2_frag_entry *entry; - sc = le16_to_cpu(hdr->seq_ctl); - frag = WLAN_GET_SEQ_FRAG(sc); - seq = WLAN_GET_SEQ_SEQ(sc) >> 4; + sc = le16_to_cpu(hdr->seq_ctrl); + frag = sc & IEEE80211_SCTL_FRAG; + seq = (sc & IEEE80211_SCTL_SEQ) >> 4; if (frag == 0) { /* Reserve enough space to fit maximum frame length */ skb = dev_alloc_skb(local->dev->mtu + - sizeof(struct ieee80211_hdr_4addr) + + sizeof(struct ieee80211_hdr) + 8 /* LLC */ + 2 /* alignment */ + 8 /* WEP */ + ETH_ALEN /* WDS */); @@ -299,14 +299,14 @@ prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr_4addr *hdr) /* Called only as a tasklet (software IRQ) */ static int prism2_frag_cache_invalidate(local_info_t *local, - struct ieee80211_hdr_4addr *hdr) + struct ieee80211_hdr *hdr) { u16 sc; unsigned int seq; struct prism2_frag_entry *entry; - sc = le16_to_cpu(hdr->seq_ctl); - seq = WLAN_GET_SEQ_SEQ(sc) >> 4; + sc = le16_to_cpu(hdr->seq_ctrl); + seq = (sc & IEEE80211_SCTL_SEQ) >> 4; entry = prism2_frag_cache_find(local, seq, -1, hdr->addr2, hdr->addr1); @@ -472,10 +472,8 @@ hostap_rx_frame_mgmt(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats, u16 type, u16 stype) { - if (local->iw_mode == IW_MODE_MASTER) { - hostap_update_sta_ps(local, (struct ieee80211_hdr_4addr *) - skb->data); - } + if (local->iw_mode == IW_MODE_MASTER) + hostap_update_sta_ps(local, (struct ieee80211_hdr *) skb->data); if (local->hostapd && type == IEEE80211_FTYPE_MGMT) { if (stype == IEEE80211_STYPE_BEACON && @@ -552,8 +550,8 @@ static struct net_device *prism2_rx_get_wds(local_info_t *local, static int -hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr_4addr *hdr, - u16 fc, struct net_device **wds) +hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr *hdr, u16 fc, + struct net_device **wds) { /* FIX: is this really supposed to accept WDS frames only in Master * mode? What about Repeater or Managed with WDS frames? */ @@ -611,14 +609,14 @@ static int hostap_is_eapol_frame(local_info_t *local, struct sk_buff *skb) { struct net_device *dev = local->dev; u16 fc, ethertype; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; u8 *pos; if (skb->len < 24) return 0; - hdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_control); /* check that the frame is unicast frame to us */ if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == @@ -651,14 +649,14 @@ static int hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, struct lib80211_crypt_data *crypt) { - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; int res, hdrlen; if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL) return 0; - hdr = (struct ieee80211_hdr_4addr *) skb->data; - hdrlen = hostap_80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); + hdr = (struct ieee80211_hdr *) skb->data; + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); if (local->tkip_countermeasures && strcmp(crypt->ops->name, "TKIP") == 0) { @@ -689,14 +687,14 @@ static int hostap_rx_frame_decrypt_msdu(local_info_t *local, struct sk_buff *skb, int keyidx, struct lib80211_crypt_data *crypt) { - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; int res, hdrlen; if (crypt == NULL || crypt->ops->decrypt_msdu == NULL) return 0; - hdr = (struct ieee80211_hdr_4addr *) skb->data; - hdrlen = hostap_80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); + hdr = (struct ieee80211_hdr *) skb->data; + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); atomic_inc(&crypt->refcnt); res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv); @@ -720,11 +718,10 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, { struct hostap_interface *iface; local_info_t *local; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; size_t hdrlen; u16 fc, type, stype, sc; struct net_device *wds = NULL; - struct net_device_stats *stats; unsigned int frag; u8 *payload; struct sk_buff *skb2 = NULL; @@ -747,18 +744,17 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, dev = local->ddev; iface = netdev_priv(dev); - hdr = (struct ieee80211_hdr_4addr *) skb->data; - stats = hostap_get_stats(dev); + hdr = (struct ieee80211_hdr *) skb->data; if (skb->len < 10) goto rx_dropped; - fc = le16_to_cpu(hdr->frame_ctl); - type = WLAN_FC_GET_TYPE(fc); - stype = WLAN_FC_GET_STYPE(fc); - sc = le16_to_cpu(hdr->seq_ctl); - frag = WLAN_GET_SEQ_FRAG(sc); - hdrlen = hostap_80211_get_hdrlen(fc); + fc = le16_to_cpu(hdr->frame_control); + type = fc & IEEE80211_FCTL_FTYPE; + stype = fc & IEEE80211_FCTL_STYPE; + sc = le16_to_cpu(hdr->seq_ctrl); + frag = sc & IEEE80211_SCTL_FRAG; + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); /* Put this code here so that we avoid duplicating it in all * Rx paths. - Jean II */ @@ -866,10 +862,8 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, if (hostap_rx_frame_wds(local, hdr, fc, &wds)) goto rx_dropped; - if (wds) { + if (wds) skb->dev = dev = wds; - stats = hostap_get_stats(dev); - } if (local->iw_mode == IW_MODE_MASTER && !wds && (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == @@ -878,7 +872,6 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, memcmp(hdr->addr2, local->assoc_ap_addr, ETH_ALEN) == 0) { /* Frame from BSSID of the AP for which we are a client */ skb->dev = dev = local->stadev; - stats = hostap_get_stats(dev); from_assoc_ap = 1; } @@ -918,7 +911,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && (keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0) goto rx_dropped; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; /* skb: hdr + (possibly fragmented) plaintext payload */ @@ -931,7 +924,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, printk(KERN_DEBUG "%s: Rx cannot get skb from " "fragment cache (morefrag=%d seq=%u frag=%u)\n", dev->name, (fc & IEEE80211_FCTL_MOREFRAGS) != 0, - WLAN_GET_SEQ_SEQ(sc) >> 4, frag); + (sc & IEEE80211_SCTL_SEQ) >> 4, frag); goto rx_dropped; } @@ -972,7 +965,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, /* this was the last fragment and the frame will be * delivered, so remove skb from fragment cache */ skb = frag_skb; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; prism2_frag_cache_invalidate(local, hdr); } @@ -983,7 +976,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, hostap_rx_frame_decrypt_msdu(local, skb, keyidx, crypt)) goto rx_dropped; - hdr = (struct ieee80211_hdr_4addr *) skb->data; + hdr = (struct ieee80211_hdr *) skb->data; if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !local->open_wep) { if (local->ieee_802_1x && hostap_is_eapol_frame(local, skb)) { @@ -1069,8 +1062,8 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, skb_trim(skb, skb->len - ETH_ALEN); } - stats->rx_packets++; - stats->rx_bytes += skb->len; + dev->stats.rx_packets++; + dev->stats.rx_bytes += skb->len; if (local->iw_mode == IW_MODE_MASTER && !wds && local->ap->bridge_packets) { @@ -1094,7 +1087,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, if (skb2 != NULL) { /* send to wireless media */ skb2->dev = dev; - skb2->protocol = __constant_htons(ETH_P_802_3); + skb2->protocol = cpu_to_be16(ETH_P_802_3); skb_reset_mac_header(skb2); skb_reset_network_header(skb2); /* skb2->network_header += ETH_HLEN; */ @@ -1115,7 +1108,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, rx_dropped: dev_kfree_skb(skb); - stats->rx_dropped++; + dev->stats.rx_dropped++; goto rx_exit; } |