Adopt usb ether gadget and rndis driver to adopt driver model
Signed-off-by: Mugunthan V N mugunthanvnm@ti.com --- drivers/usb/gadget/ether.c | 153 ++++++++++++++++++++++++++++++++++++++++++--- drivers/usb/gadget/rndis.c | 13 +++- drivers/usb/gadget/rndis.h | 19 ++++-- include/net.h | 7 +++ 4 files changed, 177 insertions(+), 15 deletions(-)
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 2f70ebf..c436f75 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -25,6 +25,7 @@ #include "rndis.h"
#include <dm.h> +#include <dm/lists.h> #include <dm/uclass-internal.h> #include <dm/device-internal.h>
@@ -116,7 +117,11 @@ struct eth_dev {
struct usb_request *tx_req, *rx_req;
+#ifndef CONFIG_DM_ETH struct eth_device *net; +#else + struct udevice *net; +#endif struct net_device_stats stats; unsigned int tx_qlen;
@@ -143,7 +148,11 @@ struct eth_dev { /*-------------------------------------------------------------------------*/ struct ether_priv { struct eth_dev ethdev; +#ifndef CONFIG_DM_ETH struct eth_device netdev; +#else + struct udevice *netdev; +#endif struct usb_gadget_driver eth_driver; };
@@ -1851,7 +1860,11 @@ static void rndis_control_ack_complete(struct usb_ep *ep,
static char rndis_resp_buf[8] __attribute__((aligned(sizeof(__le32))));
+#ifndef CONFIG_DM_ETH static int rndis_control_ack(struct eth_device *net) +#else +static int rndis_control_ack(struct udevice *net) +#endif { struct ether_priv *priv = (struct ether_priv *)net->priv; struct eth_dev *dev = &priv->ethdev; @@ -2001,6 +2014,9 @@ static int eth_bind(struct usb_gadget *gadget) int status = -ENOMEM; int gcnum; u8 tmp[7]; +#ifdef CONFIG_DM_ETH + struct eth_pdata *pdata = dev_get_platdata(l_priv->netdev); +#endif
/* these flags are only ever cleared; compiler take note */ #ifndef CONFIG_USB_ETH_CDC @@ -2188,7 +2204,11 @@ autoconf_fail:
/* network device setup */ +#ifndef CONFIG_DM_ETH dev->net = &l_priv->netdev; +#else + dev->net = l_priv->netdev; +#endif
dev->cdc = cdc; dev->zlp = zlp; @@ -2197,6 +2217,7 @@ autoconf_fail: dev->out_ep = out_ep; dev->status_ep = status_ep;
+ memset(tmp, 0, sizeof(tmp)); /* * Module params for these addresses should come from ID proms. * The host side address is used with CDC and RNDIS, and commonly @@ -2204,10 +2225,13 @@ autoconf_fail: * host side code for the SAFE thing cares -- its original BLAN * thing didn't, Sharp never assigned those addresses on Zaurii. */ +#ifndef CONFIG_DM_ETH get_ether_addr(dev_addr, dev->net->enetaddr); - - memset(tmp, 0, sizeof(tmp)); memcpy(tmp, dev->net->enetaddr, sizeof(dev->net->enetaddr)); +#else + get_ether_addr(dev_addr, pdata->enetaddr); + memcpy(tmp, pdata->enetaddr, sizeof(pdata->enetaddr)); +#endif
get_ether_addr(host_addr, dev->host_mac);
@@ -2268,10 +2292,11 @@ autoconf_fail: status_ep ? " STATUS " : "", status_ep ? status_ep->name : "" ); - printf("MAC %02x:%02x:%02x:%02x:%02x:%02x\n", - dev->net->enetaddr[0], dev->net->enetaddr[1], - dev->net->enetaddr[2], dev->net->enetaddr[3], - dev->net->enetaddr[4], dev->net->enetaddr[5]); +#ifndef CONFIG_DM_ETH + printf("MAC %pM\n", dev->net->enetaddr); +#else + printf("MAC %pM\n", pdata->enetaddr); +#endif
if (cdc || rndis) printf("HOST MAC %02x:%02x:%02x:%02x:%02x:%02x\n", @@ -2520,13 +2545,12 @@ void _usb_eth_halt(struct ether_priv *priv) }
usb_gadget_unregister_driver(&priv->eth_driver); -#ifdef CONFIG_DM_USB - device_remove(dev->usb_udev); -#else +#ifndef CONFIG_DM_USB board_usb_cleanup(0, USB_INIT_DEVICE); #endif }
+#ifndef CONFIG_DM_ETH static int usb_eth_init(struct eth_device *netdev, bd_t *bd) { struct ether_priv *priv = (struct ether_priv *)netdev->priv; @@ -2592,3 +2616,114 @@ int usb_eth_initialize(bd_t *bi) eth_register(netdev); return 0; } +#else +static int usb_eth_start(struct udevice *dev) +{ + struct ether_priv *priv = dev_get_priv(dev); + + return _usb_eth_init(priv); +} + +static int usb_eth_send(struct udevice *dev, void *packet, int length) +{ + struct ether_priv *priv = dev_get_priv(dev); + + return _usb_eth_send(priv, packet, length); +} + +static int usb_eth_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct ether_priv *priv = dev_get_priv(dev); + struct eth_dev *ethdev = &priv->ethdev; + int ret; + + ret = _usb_eth_recv(priv); + if (ret) { + error("error packet receive\n"); + return ret; + } + + if (packet_received) { + if (ethdev->rx_req) { + *packetp = (uchar *)net_rx_packets[0]; + return ethdev->rx_req->length; + } else { + error("dev->rx_req invalid"); + return -EFAULT; + } + } + + return -EAGAIN; +} + +static int usb_eth_free_pkt(struct udevice *dev, uchar *packet, + int length) +{ + struct ether_priv *priv = dev_get_priv(dev); + struct eth_dev *ethdev = &priv->ethdev; + + packet_received = 0; + + return rx_submit(ethdev, ethdev->rx_req, 0); +} + +static void usb_eth_stop(struct udevice *dev) +{ + struct ether_priv *priv = dev_get_priv(dev); + + _usb_eth_halt(priv); +} + +static int usb_eth_probe(struct udevice *dev) +{ + struct ether_priv *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + + priv->netdev = dev; + l_priv = priv; + + get_ether_addr("de:ad:be:ef:00:01", pdata->enetaddr); + eth_setenv_enetaddr("usbnet_devaddr", pdata->enetaddr); + + return 0; +} + +static const struct eth_ops usb_eth_ops = { + .start = usb_eth_start, + .send = usb_eth_send, + .recv = usb_eth_recv, + .free_pkt = usb_eth_free_pkt, + .stop = usb_eth_stop, +}; + +int usb_ether_init(void) +{ + struct udevice *dev; + struct udevice *usb_dev; + int ret; + + ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &usb_dev); + if (!usb_dev || ret) { + error("No USB device found\n"); + return ret; + } + + ret = device_bind_driver(usb_dev, "usb_ether", "usb_ether", &dev); + if (!dev || ret) { + error("usb - not able to bind usb_ether device\n"); + return ret; + } + + return 0; +} + +U_BOOT_DRIVER(eth_usb) = { + .name = "usb_ether", + .id = UCLASS_ETH, + .probe = usb_eth_probe, + .ops = &usb_eth_ops, + .priv_auto_alloc_size = sizeof(struct ether_priv), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; +#endif /* CONFIG_DM_ETH */ diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c index 48463db..e6029ec 100644 --- a/drivers/usb/gadget/rndis.c +++ b/drivers/usb/gadget/rndis.c @@ -1123,7 +1123,11 @@ int rndis_msg_parser(u8 configNr, u8 *buf) return -ENOTSUPP; }
+#ifndef CONFIG_DM_ETH int rndis_register(int (*rndis_control_ack)(struct eth_device *)) +#else +int rndis_register(int (*rndis_control_ack)(struct udevice *)) +#endif { u8 i;
@@ -1151,8 +1155,13 @@ void rndis_deregister(int configNr) return; }
-int rndis_set_param_dev(u8 configNr, struct eth_device *dev, int mtu, - struct net_device_stats *stats, u16 *cdc_filter) +#ifndef CONFIG_DM_ETH +int rndis_set_param_dev(u8 configNr, struct eth_device *dev, int mtu, + struct net_device_stats *stats, u16 *cdc_filter) +#else +int rndis_set_param_dev(u8 configNr, struct udevice *dev, int mtu, + struct net_device_stats *stats, u16 *cdc_filter) +#endif { debug("%s: configNr = %d\n", __func__, configNr); if (!dev || !stats) diff --git a/drivers/usb/gadget/rndis.h b/drivers/usb/gadget/rndis.h index 7a389a5..084af85 100644 --- a/drivers/usb/gadget/rndis.h +++ b/drivers/usb/gadget/rndis.h @@ -222,23 +222,34 @@ typedef struct rndis_params {
const u8 *host_mac; u16 *filter; - struct eth_device *dev; struct net_device_stats *stats; int mtu;
u32 vendorID; const char *vendorDescr; - int (*ack)(struct eth_device *); +#ifndef CONFIG_DM_ETH + struct eth_device *dev; + int (*ack)(struct eth_device *); +#else + struct udevice *dev; + int (*ack)(struct udevice *); +#endif struct list_head resp_queue; } rndis_params;
/* RNDIS Message parser and other useless functions */ int rndis_msg_parser(u8 configNr, u8 *buf); enum rndis_state rndis_get_state(int configNr); -int rndis_register(int (*rndis_control_ack)(struct eth_device *)); void rndis_deregister(int configNr); +#ifndef CONFIG_DM_ETH +int rndis_register(int (*rndis_control_ack)(struct eth_device *)); int rndis_set_param_dev(u8 configNr, struct eth_device *dev, int mtu, - struct net_device_stats *stats, u16 *cdc_filter); + struct net_device_stats *stats, u16 *cdc_filter); +#else +int rndis_register(int (*rndis_control_ack)(struct udevice *)); +int rndis_set_param_dev(u8 configNr, struct udevice *dev, int mtu, + struct net_device_stats *stats, u16 *cdc_filter); +#endif int rndis_set_param_vendor(u8 configNr, u32 vendorID, const char *vendorDescr); int rndis_set_param_medium(u8 configNr, u32 medium, u32 speed); diff --git a/include/net.h b/include/net.h index a739f45..fea6561 100644 --- a/include/net.h +++ b/include/net.h @@ -238,6 +238,13 @@ int eth_getenv_enetaddr(const char *name, uchar *enetaddr); int eth_setenv_enetaddr(const char *name, const uchar *enetaddr);
/* + * Initialize USB ethernet device with CONFIG_DM_ETH + * Returns: + * 0 is success, non-zero is error status. + */ +int usb_ether_init(void); + +/* * Get the hardware address for an ethernet interface . * Args: * base_name - base name for device (normally "eth")