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mt7603: hook up rx path, can receive packets in monitor mode now

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2015-12-16 05:10:15 +01:00
parent 8302f2e68d
commit 497aebd6bd
4 changed files with 52 additions and 0 deletions
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mt7603.h
+1
View File
@@ -114,6 +114,7 @@ static inline void mt7603_irq_disable(struct mt7603_dev *dev, u32 mask)
void mt7603_mac_start(struct mt7603_dev *dev);
void mt7603_mac_stop(struct mt7603_dev *dev);
int mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb);
int mt7603_set_channel(struct mt7603_dev *dev, struct cfg80211_chan_def *def);
int mt7603_mcu_set_channel(struct mt7603_dev *dev);
mt7603_dma.c
+6
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@@ -146,6 +146,12 @@ mt7603_process_rx_skb(struct mt7603_dev *dev, struct mt76_queue *q,
skb_queue_tail(&dev->mcu.res_q, skb);
wake_up(&dev->mcu.wait);
return;
case PKT_TYPE_NORMAL:
if (mt7603_mac_fill_rx(dev, skb) == 0) {
ieee80211_rx(mt76_hw(dev), skb);
return;
}
/* fall through */
default:
dev_kfree_skb(skb);
}
mt7603_dma.h
+9
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@@ -16,8 +16,17 @@
#include "dma.h"
#define MT_RXD0_LENGTH GENMASK(15, 0)
#define MT_RXD0_PKT_TYPE GENMASK(31, 29)
#define MT_RXD0_NORMAL_ETH_TYPE_OFS GENMASK(22, 16)
#define MT_RXD0_NORMAL_IP_SUM BIT(23)
#define MT_RXD0_NORMAL_UDP_TCP_SUM BIT(24)
#define MT_RXD0_NORMAL_GROUP_1 BIT(25)
#define MT_RXD0_NORMAL_GROUP_2 BIT(26)
#define MT_RXD0_NORMAL_GROUP_3 BIT(27)
#define MT_RXD0_NORMAL_GROUP_4 BIT(28)
enum rx_pkt_type {
PKT_TYPE_TXS = 0,
PKT_TYPE_TXRXV = 1,
mt7603_mac.c
+36
View File
@@ -12,6 +12,7 @@
*/
#include "mt7603.h"
#include "mt7603_dma.h"
#define MT_PSE_PAGE_SIZE 128
@@ -107,6 +108,41 @@ void mt7603_wtbl_clear(struct mt7603_dev *dev, int idx)
mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
}
int
mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
{
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
__le32 *rxd = (__le32 *) skb->data;
u32 rxd0 = le32_to_cpu(rxd[0]);
rxd += 4;
if (rxd0 & MT_RXD0_NORMAL_GROUP_4) {
rxd += 4;
if ((u8 *) rxd - skb->data >= skb->len)
return -EINVAL;
}
if (rxd0 & MT_RXD0_NORMAL_GROUP_1) {
rxd += 4;
if ((u8 *) rxd - skb->data >= skb->len)
return -EINVAL;
}
if (rxd0 & MT_RXD0_NORMAL_GROUP_2) {
rxd += 2;
if ((u8 *) rxd - skb->data >= skb->len)
return -EINVAL;
}
if (rxd0 & MT_RXD0_NORMAL_GROUP_3) {
rxd += 6;
if ((u8 *) rxd - skb->data >= skb->len)
return -EINVAL;
}
memset(status, 0, sizeof(*status));
skb_pull(skb, (u8 *) rxd - skb->data);
return 0;
}
void mt7603_mac_start(struct mt7603_dev *dev)
{
mt76_clear(dev, MT_WF_ARB_SCR, MT_WF_ARB_TX_DISABLE | MT_WF_ARB_RX_DISABLE);