Release 4.8 net/irda/irnetlink.c
/*
* IrDA netlink layer, for stack configuration.
*
* Copyright (c) 2007 Samuel Ortiz <samuel@sortiz.org>
*
* Partly based on the 802.11 nelink implementation
* (see net/wireless/nl80211.c) which is:
* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
*
* 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 <linux/socket.h>
#include <linux/irda.h>
#include <linux/gfp.h>
#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/irda/irda.h>
#include <net/irda/irlap.h>
#include <net/genetlink.h>
static struct genl_family irda_nl_family = {
.id = GENL_ID_GENERATE,
.name = IRDA_NL_NAME,
.hdrsize = 0,
.version = IRDA_NL_VERSION,
.maxattr = IRDA_NL_CMD_MAX,
};
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| samuel ortiz | samuel ortiz | 55 | 85.94% | 1 | 25.00% |
| eric w. biederman | eric w. biederman | 7 | 10.94% | 1 | 25.00% |
| joe perches | joe perches | 1 | 1.56% | 1 | 25.00% |
| harvey harrison | harvey harrison | 1 | 1.56% | 1 | 25.00% |
| Total | 64 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| samuel ortiz | samuel ortiz | 119 | 95.97% | 1 | 25.00% |
| eric w. biederman | eric w. biederman | 3 | 2.42% | 1 | 25.00% |
| harvey harrison | harvey harrison | 1 | 0.81% | 1 | 25.00% |
| joe perches | joe perches | 1 | 0.81% | 1 | 25.00% |
| Total | 124 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| samuel ortiz | samuel ortiz | 201 | 95.26% | 1 | 16.67% |
| julius volz | julius volz | 4 | 1.90% | 1 | 16.67% |
| eric w. biederman | eric w. biederman | 4 | 1.90% | 2 | 33.33% |
| johannes berg | johannes berg | 1 | 0.47% | 1 | 16.67% |
| pablo neira ayuso | pablo neira ayuso | 1 | 0.47% | 1 | 16.67% |
| Total | 211 | 100.00% | 6 | 100.00% |
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 */
},
};
int irda_nl_register(void)
{
return genl_register_family_with_ops(&irda_nl_family, irda_nl_ops);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| samuel ortiz | samuel ortiz | 15 | 93.75% | 1 | 50.00% |
| michal miroslaw | michal miroslaw | 1 | 6.25% | 1 | 50.00% |
| Total | 16 | 100.00% | 2 | 100.00% |
void irda_nl_unregister(void)
{
genl_unregister_family(&irda_nl_family);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| samuel ortiz | samuel ortiz | 13 | 100.00% | 1 | 100.00% |
| Total | 13 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| samuel ortiz | samuel ortiz | 544 | 94.28% | 2 | 15.38% |
| eric w. biederman | eric w. biederman | 17 | 2.95% | 2 | 15.38% |
| julius volz | julius volz | 4 | 0.69% | 1 | 7.69% |
| tejun heo | tejun heo | 3 | 0.52% | 1 | 7.69% |
| johannes berg | johannes berg | 2 | 0.35% | 2 | 15.38% |
| joe perches | joe perches | 2 | 0.35% | 1 | 7.69% |
| harvey harrison | harvey harrison | 2 | 0.35% | 1 | 7.69% |
| alexey dobriyan | alexey dobriyan | 1 | 0.17% | 1 | 7.69% |
| pablo neira ayuso | pablo neira ayuso | 1 | 0.17% | 1 | 7.69% |
| michal miroslaw | michal miroslaw | 1 | 0.17% | 1 | 7.69% |
| Total | 577 | 100.00% | 13 | 100.00% |
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