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mac80211_hwsim: Shared TX code for received frames and Beacons

Browse Source 
Use a shared function for transmitting the frames instead of
duplicated code in two places.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen 2008-06-13 19:44:48 +03:00 committed by John W. Linville
parent f248f10515
commit e36cfdc9b1
1 changed files with 32 additions and 51 deletions
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83
drivers/net/wireless/mac80211_hwsim.c
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@ -144,31 +144,14 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
}
static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static int mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
struct mac80211_hwsim_data *data = hw->priv;
struct ieee80211_rx_status rx_status;
int i, ack = 0;
struct ieee80211_hdr *hdr;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_info *txi;
mac80211_hwsim_monitor_rx(hw, skb);
if (skb->len < 10) {
/* Should not happen; just a sanity check for addr1 use */
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
if (!data->radio_enabled) {
printk(KERN_DEBUG "%s: dropped TX frame since radio "
"disabled\n", wiphy_name(hw->wiphy));
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_rx_status rx_status;
memset(&rx_status, 0, sizeof(rx_status));
/* TODO: set mactime */
@ -199,6 +182,33 @@ static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
ieee80211_rx_irqsafe(hwsim_radios[i], nskb, &rx_status);
}
return ack;
}
static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct mac80211_hwsim_data *data = hw->priv;
int ack;
struct ieee80211_tx_info *txi;
mac80211_hwsim_monitor_rx(hw, skb);
if (skb->len < 10) {
/* Should not happen; just a sanity check for addr1 use */
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
if (!data->radio_enabled) {
printk(KERN_DEBUG "%s: dropped TX frame since radio "
"disabled\n", wiphy_name(hw->wiphy));
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
ack = mac80211_hwsim_tx_frame(hw, skb);
txi = IEEE80211_SKB_CB(skb);
memset(&txi->status, 0, sizeof(txi->status));
if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) {
@ -254,10 +264,7 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
struct ieee80211_vif *vif)
{
struct ieee80211_hw *hw = arg;
struct mac80211_hwsim_data *data = hw->priv;
struct sk_buff *skb;
struct ieee80211_rx_status rx_status;
int i;
struct ieee80211_tx_info *info;
if (vif->type != IEEE80211_IF_TYPE_AP)
@ -269,33 +276,7 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
info = IEEE80211_SKB_CB(skb);
mac80211_hwsim_monitor_rx(hw, skb);
memset(&rx_status, 0, sizeof(rx_status));
/* TODO: set mactime */
rx_status.freq = data->channel->center_freq;
rx_status.band = data->channel->band;
rx_status.rate_idx = info->tx_rate_idx;
/* TODO: simulate signal strength (and optional packet drop) */
/* Copy skb to all enabled radios that are on the current frequency */
for (i = 0; i < hwsim_radio_count; i++) {
struct mac80211_hwsim_data *data2;
struct sk_buff *nskb;
if (hwsim_radios[i] == NULL || hwsim_radios[i] == hw)
continue;
data2 = hwsim_radios[i]->priv;
if (!data2->started || !data2->radio_enabled ||
data->channel->center_freq != data2->channel->center_freq)
continue;
nskb = skb_copy(skb, GFP_ATOMIC);
if (nskb == NULL)
continue;
ieee80211_rx_irqsafe(hwsim_radios[i], nskb, &rx_status);
}
mac80211_hwsim_tx_frame(hw, skb);
dev_kfree_skb(skb);
}