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inject 802.11 frames through the normal device queue

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This commit is contained in:
Andreas Schultz 2016-02-25 12:39:19 +01:00
parent 0c19932b58
commit b80073b756
1 changed files with 36 additions and 4 deletions
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40
src/wtp/kmod/capwap_private.c
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@ -155,6 +155,41 @@ static void sc_send_8023(struct sk_buff *skb, struct net_device *dev)
dev_queue_xmit(skb);
}
static void sc_send_80211(struct sk_buff *skb, struct net_device *dev)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr;
int hdrlen;
printk(KERN_DEBUG "capwap inject: %s: hdr: %p\n",
dev->name, skb->data);
hdr = (struct ieee80211_hdr *)skb->data;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
skb_set_mac_header(skb, hdrlen);
skb_set_network_header(skb, hdrlen);
skb_set_transport_header(skb, hdrlen);
skb->protocol = htons(ETH_P_CONTROL);
info->flags |= IEEE80211_TX_CTL_INJECTED;
secpath_reset(skb);
/* drop any routing info */
skb_dst_drop(skb);
/* drop conntrack reference */
nf_reset(skb);
skb->dev = dev;
/* Force the device to verify it. */
skb->ip_summed = CHECKSUM_NONE;
dev_queue_xmit(skb);
}
/* */
void sc_capwap_parsingdatapacket(struct sc_capwap_session* session, struct sk_buff* skb)
{
@ -275,10 +310,7 @@ void sc_capwap_parsingdatapacket(struct sc_capwap_session* session, struct sk_bu
TRACEKMOD("** Send packet to interface: %d\n", dev->ifindex);
/* Send packet */
local_bh_disable();
ieee80211_inject_xmit(skb, dev);
local_bh_enable();
sc_send_80211(skb, dev);
}
}