void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list)
{
struct sk_buff *skb, *pnext;
struct brcmf_if *ifp;
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_pub *drvr = bus_if->drvr;
u8 ifidx;
int ret;
brcmf_dbg(DATA, "Enter\n");
skb_queue_walk_safe(skb_list, skb, pnext) {
skb_unlink(skb, skb_list);
/* process and remove protocol-specific header */
ret = brcmf_proto_hdrpull(drvr, drvr->fw_signals, &ifidx, skb);
ifp = drvr->iflist[ifidx];
if (ret || !ifp || !ifp->ndev) {
if ((ret != -ENODATA) && ifp)
ifp->stats.rx_errors++;
brcmu_pkt_buf_free_skb(skb);
continue;
}
skb->dev = ifp->ndev;
skb->protocol = eth_type_trans(skb, skb->dev);
if (skb->pkt_type == PACKET_MULTICAST)
ifp->stats.multicast++;
/* Process special event packets */
brcmf_fweh_process_skb(drvr, skb);
if (!(ifp->ndev->flags & IFF_UP)) {
brcmu_pkt_buf_free_skb(skb);
continue;
}
ifp->stats.rx_bytes += skb->len;
ifp->stats.rx_packets++;
if (in_interrupt())
netif_rx(skb);
else
/* If the receive is not processed inside an ISR,
* the softirqd must be woken explicitly to service the
* NET_RX_SOFTIRQ. This is handled by netif_rx_ni().
*/
netif_rx_ni(skb);
}
void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_pub *drvr = bus_if->drvr;
struct brcmf_if *ifp;
/* await txstatus signal for firmware if active */
if (brcmf_fws_fc_active(drvr->fws)) {
if (!success)
brcmf_fws_bustxfail(drvr->fws, txp);
} else {
if (brcmf_proto_hdrpull(drvr, false, txp, &ifp))
brcmu_pkt_buf_free_skb(txp);
else
brcmf_txfinalize(ifp, txp, success);
}
}
static int brcmf_rx_hdrpull(struct brcmf_pub *drvr, struct sk_buff *skb,
struct brcmf_if **ifp)
{
int ret;
/* process and remove protocol-specific header */
ret = brcmf_proto_hdrpull(drvr, true, skb, ifp);
if (ret || !(*ifp) || !(*ifp)->ndev) {
if (ret != -ENODATA && *ifp)
(*ifp)->stats.rx_errors++;
brcmu_pkt_buf_free_skb(skb);
return -ENODATA;
}
skb->protocol = eth_type_trans(skb, (*ifp)->ndev);
return 0;
}
static void brcmf_usb_rx_complete(struct urb *urb)
{
struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context;
struct brcmf_usbdev_info *devinfo = req->devinfo;
struct sk_buff *skb;
int ifidx = 0;
brcmf_usb_del_fromq(devinfo, req);
skb = req->skb;
req->skb = NULL;
if (urb->status == 0) {
devinfo->bus_pub.bus->dstats.rx_packets++;
} else {
devinfo->bus_pub.bus->dstats.rx_errors++;
brcmu_pkt_buf_free_skb(skb);
brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
return;
}
if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) {
skb_put(skb, urb->actual_length);
if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) {
brcmf_dbg(ERROR, "rx protocol error\n");
brcmu_pkt_buf_free_skb(skb);
brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
devinfo->bus_pub.bus->dstats.rx_errors++;
} else {
brcmf_rx_packet(devinfo->dev, ifidx, skb);
brcmf_usb_rx_refill(devinfo, req);
}
} else {
brcmu_pkt_buf_free_skb(skb);
brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
}
return;
}
void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list)
{
unsigned char *eth;
uint len;
struct sk_buff *skb, *pnext;
struct brcmf_if *ifp;
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_pub *drvr = bus_if->drvr;
u8 ifidx;
int ret;
brcmf_dbg(TRACE, "Enter\n");
skb_queue_walk_safe(skb_list, skb, pnext) {
skb_unlink(skb, skb_list);
/* process and remove protocol-specific header */
ret = brcmf_proto_hdrpull(drvr, drvr->fw_signals, &ifidx, skb);
ifp = drvr->iflist[ifidx];
if (ret || !ifp || !ifp->ndev) {
if ((ret != -ENODATA) && ifp)
ifp->stats.rx_errors++;
brcmu_pkt_buf_free_skb(skb);
continue;
}
/* Get the protocol, maintain skb around eth_type_trans()
* The main reason for this hack is for the limitation of
* Linux 2.4 where 'eth_type_trans' uses the
* 'net->hard_header_len'
* to perform skb_pull inside vs ETH_HLEN. Since to avoid
* coping of the packet coming from the network stack to add
* BDC, Hardware header etc, during network interface
* registration
* we set the 'net->hard_header_len' to ETH_HLEN + extra space
* required
* for BDC, Hardware header etc. and not just the ETH_HLEN
*/
eth = skb->data;
len = skb->len;
skb->dev = ifp->ndev;
skb->protocol = eth_type_trans(skb, skb->dev);
if (skb->pkt_type == PACKET_MULTICAST)
ifp->stats.multicast++;
skb->data = eth;
skb->len = len;
/* Strip header, count, deliver upward */
skb_pull(skb, ETH_HLEN);
/* Process special event packets */
brcmf_fweh_process_skb(drvr, skb);
if (!(ifp->ndev->flags & IFF_UP)) {
brcmu_pkt_buf_free_skb(skb);
continue;
}
ifp->stats.rx_bytes += skb->len;
ifp->stats.rx_packets++;
if (in_interrupt())
netif_rx(skb);
else
/* If the receive is not processed inside an ISR,
* the softirqd must be woken explicitly to service
* the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled
* by netif_rx_ni(), but in earlier kernels, we need
* to do it manually.
*/
netif_rx_ni(skb);
}
