/* * IrDA netlink layer, for stack configuration. * * Copyright (c) 2007 Samuel Ortiz * * Partly based on the 802.11 nelink implementation * (see net/wireless/nl80211.c) which is: * Copyright 2006 Johannes Berg * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #include #include #include #include #include #include #include #include static struct genl_family irda_nl_family; static struct net_device * ifname_to_netdev(struct net *net, struct genl_info *info) { char * ifname; if (!info->attrs[IRDA_NL_ATTR_IFNAME]) return NULL; ifname = nla_data(info->attrs[IRDA_NL_ATTR_IFNAME]); pr_debug("%s(): Looking for %s\n", __func__, ifname); return dev_get_by_name(net, ifname); } static int irda_nl_set_mode(struct sk_buff *skb, struct genl_info *info) { struct net_device * dev; struct irlap_cb * irlap; u32 mode; if (!info->attrs[IRDA_NL_ATTR_MODE]) return -EINVAL; mode = nla_get_u32(info->attrs[IRDA_NL_ATTR_MODE]); pr_debug("%s(): Switching to mode: %d\n", __func__, mode); dev = ifname_to_netdev(&init_net, info); if (!dev) return -ENODEV; irlap = (struct irlap_cb *)dev->atalk_ptr; if (!irlap) { dev_put(dev); return -ENODEV; } irlap->mode = mode; dev_put(dev); return 0; } static int irda_nl_get_mode(struct sk_buff *skb, struct genl_info *info) { struct net_device * dev; struct irlap_cb * irlap; struct sk_buff *msg; void *hdr; int ret = -ENOBUFS; dev = ifname_to_netdev(&init_net, info); if (!dev) return -ENODEV; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { dev_put(dev); return -ENOMEM; } irlap = (struct irlap_cb *)dev->atalk_ptr; if (!irlap) { ret = -ENODEV; goto err_out; } hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq, &irda_nl_family, 0, IRDA_NL_CMD_GET_MODE); if (hdr == NULL) { ret = -EMSGSIZE; goto err_out; } if(nla_put_string(msg, IRDA_NL_ATTR_IFNAME, dev->name)) goto err_out; if(nla_put_u32(msg, IRDA_NL_ATTR_MODE, irlap->mode)) goto err_out; genlmsg_end(msg, hdr); return genlmsg_reply(msg, info); err_out: nlmsg_free(msg); dev_put(dev); return ret; } static const struct nla_policy irda_nl_policy[IRDA_NL_ATTR_MAX + 1] = { [IRDA_NL_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, [IRDA_NL_ATTR_MODE] = { .type = NLA_U32 }, }; static const struct genl_ops irda_nl_ops[] = { { .cmd = IRDA_NL_CMD_SET_MODE, .doit = irda_nl_set_mode, .policy = irda_nl_policy, .flags = GENL_ADMIN_PERM, }, { .cmd = IRDA_NL_CMD_GET_MODE, .doit = irda_nl_get_mode, .policy = irda_nl_policy, /* can be retrieved by unprivileged users */ }, }; static struct genl_family irda_nl_family __ro_after_init = { .name = IRDA_NL_NAME, .hdrsize = 0, .version = IRDA_NL_VERSION, .maxattr = IRDA_NL_CMD_MAX, .module = THIS_MODULE, .ops = irda_nl_ops, .n_ops = ARRAY_SIZE(irda_nl_ops), }; int __init irda_nl_register(void) { return genl_register_family(&irda_nl_family); } void irda_nl_unregister(void) { genl_unregister_family(&irda_nl_family); } alue='4'>4space:mode:
authorDavid S. Miller <davem@davemloft.net>2017-01-30 22:05:52 -0500
committerDavid S. Miller <davem@davemloft.net>2017-01-30 22:05:52 -0500
commit1bae6c99decf9137069646b593d3439171a8a8e2 (patch)
tree431604a568cd2303973470de326bd9731370a025 /net/mac802154
parent63c190429020a9701b42887ac22c28f287f1762f (diff)
parent2b2d3eb41c920b47df2fcedd1489cf748bd09466 (diff)
Merge branch 'sh_eth-E-DMAC-interrupt-mask-cleanups'
Sergei Shtylyov says: ==================== sh_eth: E-DMAC interrupt mask cleanups Here's a set of 3 patches against DaveM's 'net-next.git' repo. The main goal of this set is to stop using the bare numbers for the E-DMAC interrupt masks. [1/3] sh_eth: rename EESIPR bits [2/3] sh_eth: add missing EESIPR bits [3/3] sh_eth: stop using bare numbers for EESIPR values ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac802154')