diff options
Diffstat (limited to 'nuttx/net/netdev/netdev_register.c')
| -rw-r--r-- | nuttx/net/netdev/netdev_register.c | 61 |
1 files changed, 56 insertions, 5 deletions
diff --git a/nuttx/net/netdev/netdev_register.c b/nuttx/net/netdev/netdev_register.c index dbe155cad..818a3c7d9 100644 --- a/nuttx/net/netdev/netdev_register.c +++ b/nuttx/net/netdev/netdev_register.c @@ -1,7 +1,7 @@ /**************************************************************************** * net/netdev/netdev_register.c * - * Copyright (C) 2007-2012 Gregory Nutt. All rights reserved. + * Copyright (C) 2007-2012, 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -51,6 +51,7 @@ #include <net/if.h> #include <net/ethernet.h> #include <nuttx/net/netdev.h> +#include <nuttx/net/arp.h> #include "netdev/netdev.h" #include "igmp/igmp.h" @@ -99,7 +100,9 @@ struct net_driver_s *g_netdevices = NULL; * be found in subsequent network ioctl operations on the device. * * Parameters: - * dev - The device driver structure to register + * dev - The device driver structure to be registered. + * lltype - Link level protocol used by the driver (Ethernet, SLIP, PPP, ... + * ... * * Returned Value: * 0:Success; negated errno on failure @@ -109,15 +112,62 @@ struct net_driver_s *g_netdevices = NULL; * ****************************************************************************/ -int netdev_register(FAR struct net_driver_s *dev) +int netdev_register(FAR struct net_driver_s *dev, enum net_lltype_e lltype) { + int devnum; + if (dev) { - int devnum; - netdev_semtake(); +#ifdef CONFIG_NET_MULTILINK + /* We are supporting multiple network devices and using different link + * level protocols. Set the protocol usd by the device and the size + * of the link header used by this protocol. + */ + + switch (lltype) + { +#ifdef CONFIG_NET_ETHERNET + case NET_LL_ETHERNET: /* Ethernet */ +#if 0 /* REVISIT: Not yet supported */ + dev->d_llhdrlen = ETH_HDRLEN; +#endif + break; +#endif + +#ifdef CONFIG_NET_SLIP + case NET_LL_SLIP: /* Serial Line Internet Protocol (SLIP) */ +#if 0 /* REVISIT: Not yet supported */ + dev->d_llhdrlen = 0; +#endif + break; +#endif + +#if 0 /* REVISIT: Not yet supported */ + case NET_LL_PPP: /* Point-to-Point Protocol (PPP) */ + dev->d_llhdrlen = 0; + break; +#endif + break; + + /* REVISIT: Here we must also set the size of the link header + * header the precedes network layer headers. + */ + + break; + + default: + nlldbg("ERROR: Unrecognized link type: %d\n", lltype); + return -EINVAL; + } + + /* Remember the verified link type */ + + dev->d_lltype = (uint8_t)lltype +#endif /* Assign a device name to the interface */ + netdev_semtake(); devnum = g_next_devnum++; snprintf(dev->d_ifname, IFNAMSIZ, NETDEV_FORMAT, devnum ); @@ -144,6 +194,7 @@ int netdev_register(FAR struct net_driver_s *dev) #endif return OK; } + return -EINVAL; } |