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path: root/drivers/net/wireless/hostap
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Diffstat (limited to 'drivers/net/wireless/hostap')
-rw-r--r--drivers/net/wireless/hostap/Kconfig3
-rw-r--r--drivers/net/wireless/hostap/hostap_80211_rx.c23
-rw-r--r--drivers/net/wireless/hostap/hostap_80211_tx.c25
-rw-r--r--drivers/net/wireless/hostap/hostap_ap.c7
-rw-r--r--drivers/net/wireless/hostap/hostap_hw.c7
-rw-r--r--drivers/net/wireless/hostap/hostap_main.c17
6 files changed, 47 insertions, 35 deletions
diff --git a/drivers/net/wireless/hostap/Kconfig b/drivers/net/wireless/hostap/Kconfig
index 308f773ad56..1fef33169fd 100644
--- a/drivers/net/wireless/hostap/Kconfig
+++ b/drivers/net/wireless/hostap/Kconfig
@@ -1,6 +1,7 @@
config HOSTAP
tristate "IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)"
- depends on NET_RADIO
+ depends on WLAN_80211
+ select WIRELESS_EXT
select IEEE80211
select IEEE80211_CRYPT_WEP
---help---
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c
index 7e04dc94b3b..cbedc9ee740 100644
--- a/drivers/net/wireless/hostap/hostap_80211_rx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_rx.c
@@ -167,7 +167,7 @@ hdr->f.status = s; hdr->f.len = l; hdr->f.data = d
ret = skb->len - phdrlen;
skb->dev = dev;
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
skb_pull(skb, hdrlen);
if (prism_header)
skb_pull(skb, phdrlen);
@@ -933,12 +933,14 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (frag == 0) {
/* copy first fragment (including full headers) into
* beginning of the fragment cache skb */
- memcpy(skb_put(frag_skb, flen), skb->data, flen);
+ skb_copy_from_linear_data(skb, skb_put(frag_skb, flen),
+ flen);
} else {
/* append frame payload to the end of the fragment
* cache skb */
- memcpy(skb_put(frag_skb, flen), skb->data + hdrlen,
- flen);
+ skb_copy_from_linear_data_offset(skb, hdrlen,
+ skb_put(frag_skb,
+ flen), flen);
}
dev_kfree_skb(skb);
skb = NULL;
@@ -1044,8 +1046,9 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
skb->len >= ETH_HLEN + ETH_ALEN) {
/* Non-standard frame: get addr4 from its bogus location after
* the payload */
- memcpy(skb->data + ETH_ALEN,
- skb->data + skb->len - ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, skb->len - ETH_ALEN,
+ skb->data + ETH_ALEN,
+ ETH_ALEN);
skb_trim(skb, skb->len - ETH_ALEN);
}
@@ -1073,17 +1076,17 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (skb2 != NULL) {
/* send to wireless media */
- skb2->protocol = __constant_htons(ETH_P_802_3);
- skb2->mac.raw = skb2->nh.raw = skb2->data;
- /* skb2->nh.raw = skb2->data + ETH_HLEN; */
skb2->dev = dev;
+ skb2->protocol = __constant_htons(ETH_P_802_3);
+ skb_reset_mac_header(skb2);
+ skb_reset_network_header(skb2);
+ /* skb2->network_header += ETH_HLEN; */
dev_queue_xmit(skb2);
}
if (skb) {
skb->protocol = eth_type_trans(skb, dev);
memset(skb->cb, 0, sizeof(skb->cb));
- skb->dev = dev;
netif_rx(skb);
}
diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c
index 4a5be70c041..246fac0e800 100644
--- a/drivers/net/wireless/hostap/hostap_80211_tx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_tx.c
@@ -146,7 +146,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS;
/* From&To DS: Addr1 = RA, Addr2 = TA, Addr3 = DA,
* Addr4 = SA */
- memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+ &hdr.addr4, ETH_ALEN);
hdr_len += ETH_ALEN;
} else {
/* bogus 4-addr format to workaround Prism2 station
@@ -159,7 +160,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* SA from skb->data + ETH_ALEN will be added after
* frame payload; use hdr.addr4 as a temporary buffer
*/
- memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+ &hdr.addr4, ETH_ALEN);
need_tailroom += ETH_ALEN;
}
@@ -174,24 +176,27 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
else
memcpy(&hdr.addr1, local->bssid, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_MASTER && !to_assoc_ap) {
fc |= IEEE80211_FCTL_FROMDS;
/* From DS: Addr1 = DA, Addr2 = BSSID, Addr3 = SA */
- memcpy(&hdr.addr1, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr3,
+ ETH_ALEN);
} else if (local->iw_mode == IW_MODE_INFRA || to_assoc_ap) {
fc |= IEEE80211_FCTL_TODS;
/* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */
memcpy(&hdr.addr1, to_assoc_ap ?
local->assoc_ap_addr : local->bssid, ETH_ALEN);
- memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+ ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_ADHOC) {
/* not From/To DS: Addr1 = DA, Addr2 = SA, Addr3 = BSSID */
- memcpy(&hdr.addr1, skb->data, ETH_ALEN);
- memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+ ETH_ALEN);
memcpy(&hdr.addr3, local->bssid, ETH_ALEN);
}
@@ -237,7 +242,7 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
iface->stats.tx_packets++;
iface->stats.tx_bytes += skb->len;
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
meta = (struct hostap_skb_tx_data *) skb->cb;
memset(meta, 0, sizeof(*meta));
meta->magic = HOSTAP_SKB_TX_DATA_MAGIC;
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index efb8cf3bd8a..4ca8a27b8c5 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -982,7 +982,8 @@ static void prism2_send_mgmt(struct net_device *dev,
meta->tx_cb_idx = tx_cb_idx;
skb->dev = dev;
- skb->mac.raw = skb->nh.raw = skb->data;
+ skb_reset_mac_header(skb);
+ skb_reset_network_header(skb);
dev_queue_xmit(skb);
}
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
@@ -1276,8 +1277,8 @@ static char * ap_auth_make_challenge(struct ap_data *ap)
return NULL;
}
- memcpy(tmpbuf, skb->data + ap->crypt->extra_mpdu_prefix_len,
- WLAN_AUTH_CHALLENGE_LEN);
+ skb_copy_from_linear_data_offset(skb, ap->crypt->extra_mpdu_prefix_len,
+ tmpbuf, WLAN_AUTH_CHALLENGE_LEN);
dev_kfree_skb(skb);
return tmpbuf;
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 3079378fb8c..fb01fb95a9f 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -1838,13 +1838,14 @@ static int prism2_tx_80211(struct sk_buff *skb, struct net_device *dev)
/* skb->data starts with txdesc->frame_control */
hdr_len = 24;
- memcpy(&txdesc.frame_control, skb->data, hdr_len);
+ skb_copy_from_linear_data(skb, &txdesc.frame_control, hdr_len);
fc = le16_to_cpu(txdesc.frame_control);
if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA &&
(fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS) &&
skb->len >= 30) {
/* Addr4 */
- memcpy(txdesc.addr4, skb->data + hdr_len, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, hdr_len, txdesc.addr4,
+ ETH_ALEN);
hdr_len += ETH_ALEN;
}
@@ -2217,7 +2218,7 @@ static void hostap_tx_callback(local_info_t *local,
memcpy(skb_put(skb, len), payload, len);
skb->dev = local->dev;
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
cb->func(skb, ok, cb->data);
}
diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c
index 9077e6edde3..1f9edd91565 100644
--- a/drivers/net/wireless/hostap/hostap_main.c
+++ b/drivers/net/wireless/hostap/hostap_main.c
@@ -590,20 +590,20 @@ void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx)
int hostap_80211_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
- memcpy(haddr, skb->mac.raw + 10, ETH_ALEN); /* addr2 */
+ memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
return ETH_ALEN;
}
int hostap_80211_prism_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
- if (*(u32 *)skb->mac.raw == LWNG_CAP_DID_BASE) {
- memcpy(haddr, skb->mac.raw +
- sizeof(struct linux_wlan_ng_prism_hdr) + 10,
+ const unsigned char *mac = skb_mac_header(skb);
+
+ if (*(u32 *)mac == LWNG_CAP_DID_BASE) {
+ memcpy(haddr, mac + sizeof(struct linux_wlan_ng_prism_hdr) + 10,
ETH_ALEN); /* addr2 */
- } else { /* (*(u32 *)skb->mac.raw == htonl(LWNG_CAPHDR_VERSION)) */
- memcpy(haddr, skb->mac.raw +
- sizeof(struct linux_wlan_ng_cap_hdr) + 10,
+ } else { /* (*(u32 *)mac == htonl(LWNG_CAPHDR_VERSION)) */
+ memcpy(haddr, mac + sizeof(struct linux_wlan_ng_cap_hdr) + 10,
ETH_ALEN); /* addr2 */
}
return ETH_ALEN;
@@ -1063,7 +1063,8 @@ int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype,
meta->iface = netdev_priv(dev);
skb->dev = dev;
- skb->mac.raw = skb->nh.raw = skb->data;
+ skb_reset_mac_header(skb);
+ skb_reset_network_header(skb);
dev_queue_xmit(skb);
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-03 16:39:38 +0000