diff options
Diffstat (limited to 'nuttx/net/netdev_ioctl.c')
| -rw-r--r-- | nuttx/net/netdev_ioctl.c | 208 |
1 files changed, 163 insertions, 45 deletions
diff --git a/nuttx/net/netdev_ioctl.c b/nuttx/net/netdev_ioctl.c index 228ead30c..b5828ed3f 100644 --- a/nuttx/net/netdev_ioctl.c +++ b/nuttx/net/netdev_ioctl.c @@ -1,7 +1,7 @@ /**************************************************************************** * net/netdev_ioctl.c * - * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. + * Copyright (C) 2007-2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -44,6 +44,7 @@ #include <sys/ioctl.h> #include <string.h> +#include <assert.h> #include <errno.h> #include <debug.h> @@ -54,6 +55,11 @@ #include <net/uip/uip-arch.h> #include <net/uip/uip.h> +#ifdef CONFIG_NET_IGMP +# include "sys/sockio.h" +# include "net/uip/uip-igmp.h" +#endif + #include "net_internal.h" /**************************************************************************** @@ -130,57 +136,27 @@ static inline void ioctl_ifdown(FAR struct uip_driver_s *dev) } /**************************************************************************** - * Global Functions - ****************************************************************************/ - -/**************************************************************************** * Name: netdev_ioctl * * Description: * Perform network device specific operations. * * Parameters: - * sockfd Socket descriptor of device + * psock Socket structure + * dev Ethernet driver device structure * cmd The ioctl command * req The argument of the ioctl cmd * * Return: * >=0 on success (positive non-zero values are cmd-specific) - * -1 on failure withi errno set properly: - * - * EBADF - * 'sockfd' is not a valid descriptor. - * EFAULT - * 'req' references an inaccessible memory area. - * EINVAL - * 'cmd' or 'req' is not valid. - * ENOTTY - * 'sockfd' is not associated with a network device. - * ENOTTY - * The specified request does not apply to the kind of object that the - * descriptor 'sockfd' references. + * Negated errno returned on failure. * ****************************************************************************/ -int netdev_ioctl(int sockfd, int cmd, struct ifreq *req) +static int netdev_ifrioctl(FAR struct socket *psock, int cmd, struct ifreq *req) { - FAR struct socket *psock = sockfd_socket(sockfd); FAR struct uip_driver_s *dev; - int err; - - if (!_SIOCVALID(cmd) || !req) - { - err = EINVAL; - goto errout; - } - - /* Verify that the sockfd corresponds to valid, allocated socket */ - - if (!psock || psock->s_crefs <= 0) - { - err = EBADF; - goto errout; - } + int ret = OK; /* Find the network device associated with the device name * in the request data. @@ -189,7 +165,7 @@ int netdev_ioctl(int sockfd, int cmd, struct ifreq *req) dev = netdev_findbyname(req->ifr_name); if (!dev) { - err = EINVAL; + ret = -EINVAL; goto errout; } @@ -244,13 +220,13 @@ int netdev_ioctl(int sockfd, int cmd, struct ifreq *req) case SIOCGIFCOUNT: /* Get number of devices */ req->ifr_count = netdev_count(); - err = ENOSYS; - break; + ret = -ENOSYS; + break; case SIOCGIFBRDADDR: /* Get broadcast IP address */ case SIOCSIFBRDADDR: /* Set broadcast IP address */ - err = ENOSYS; - goto errout; + ret = -ENOSYS; + break; #ifdef CONFIG_NET_ARPIOCTLS case SIOCSARP: /* Set a ARP mapping */ @@ -260,14 +236,156 @@ int netdev_ioctl(int sockfd, int cmd, struct ifreq *req) #endif default: - err = EINVAL; - goto errout; + ret = -EINVAL; + break;; + } + +errout: + return ret; +} + +/**************************************************************************** + * Name: netdev_imsfioctl + * + * Description: + * Perform network device specific operations. + * + * Parameters: + * psock Socket structure + * dev Ethernet driver device structure + * cmd The ioctl command + * imsf The argument of the ioctl cmd + * + * Return: + * >=0 on success (positive non-zero values are cmd-specific) + * Negated errno returned on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_NET_IGMP +static int netdev_imsfioctl(FAR struct socket *psock, int cmd, struct ip_msfilter *imsf) +{ + FAR struct uip_driver_s *dev; + int ret = OK; + + /* Find the network device associated with the device name + * in the request data. + */ + + dev = netdev_findbyname(imsf->imsf_name); + if (!dev) + { + ret = -EINVAL; + goto errout; + } + + /* Execute the command */ + + switch (cmd) + { + case SIOCSIPMSFILTER: /* Set source filter content */ + { + if (imsf->imsf_fmode == MCAST_INCLUDE) + { + ret = igmp_joingroup(dev, &imsf->imsf_multiaddr); + } + else + { + DEBUGASSERT(imsf->imsf_fmode == MCAST_EXCLUDE); + ret = igmp_leavegroup(dev, &imsf->imsf_multiaddr); + } + } + break; + + case SIOCGIPMSFILTER: /* Retrieve source filter addresses */ + default: + ret = -EINVAL; + break; + } + +errout: + return ret; +} +#endif + +/**************************************************************************** + * Global Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: netdev_ioctl + * + * Description: + * Perform network device specific operations. + * + * Parameters: + * sockfd Socket descriptor of device + * cmd The ioctl command + * req The argument of the ioctl cmd + * + * Return: + * >=0 on success (positive non-zero values are cmd-specific) + * On a failure, -1 is returned with errno set appropriately + * + * EBADF + * 'sockfd' is not a valid descriptor. + * EFAULT + * 'req' references an inaccessible memory area. + * EINVAL + * 'cmd' or 'req' is not valid. + * ENOTTY + * 'sockfd' is not associated with a network device. + * ENOTTY + * The specified request does not apply to the kind of object that the + * descriptor 'sockfd' references. + * + ****************************************************************************/ + +int netdev_ioctl(int sockfd, int cmd, unsigned long arg) +{ + FAR struct socket *psock = sockfd_socket(sockfd); + int ret; + + /* Check if this is a valid command. In all cases, arg is a pointer that has + * been cast to unsigned long. Verify that the value of the to-be-pointer is + * non-NULL. + */ + + if (!_SIOCVALID(cmd) || !arg) + { + ret = -EINVAL; + goto errout; + } + + /* Verify that the sockfd corresponds to valid, allocated socket */ + + if (!psock || psock->s_crefs <= 0) + { + ret = -EBADF; + goto errout; + } + + /* Execute the command */ + + ret = netdev_ifrioctl(psock, cmd, (FAR struct ifreq*)arg); +#ifdef CONFIG_NET_IGMP + if (ret == -EINVAL) + { + ret = netdev_imsfioctl(psock, cmd, (FAR struct ip_msfilter*)arg); + } +#endif + + /* Check for success or failure */ + + if (ret >= 0) + { + return ret; } - return OK; +/* On failure, set the errno and return -1 */ errout: - errno = err; + errno = -ret; return ERROR; } |