linux/net/dsa/netlink.c
Florian Fainelli 6ca80638b9 net: dsa: Use conduit and user terms
Use more inclusive terms throughout the DSA subsystem by moving away
from "master" which is replaced by "conduit" and "slave" which is
replaced by "user". No functional changes.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20231023181729.1191071-2-florian.fainelli@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-24 13:08:14 -07:00

65 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
/* Copyright 2022 NXP
*/
#include <linux/netdevice.h>
#include <net/rtnetlink.h>
#include "netlink.h"
#include "user.h"
static const struct nla_policy dsa_policy[IFLA_DSA_MAX + 1] = {
[IFLA_DSA_MASTER] = { .type = NLA_U32 },
};
static int dsa_changelink(struct net_device *dev, struct nlattr *tb[],
struct nlattr *data[],
struct netlink_ext_ack *extack)
{
int err;
if (!data)
return 0;
if (data[IFLA_DSA_MASTER]) {
u32 ifindex = nla_get_u32(data[IFLA_DSA_MASTER]);
struct net_device *conduit;
conduit = __dev_get_by_index(dev_net(dev), ifindex);
if (!conduit)
return -EINVAL;
err = dsa_user_change_conduit(dev, conduit, extack);
if (err)
return err;
}
return 0;
}
static size_t dsa_get_size(const struct net_device *dev)
{
return nla_total_size(sizeof(u32)) + /* IFLA_DSA_MASTER */
0;
}
static int dsa_fill_info(struct sk_buff *skb, const struct net_device *dev)
{
struct net_device *conduit = dsa_user_to_conduit(dev);
if (nla_put_u32(skb, IFLA_DSA_MASTER, conduit->ifindex))
return -EMSGSIZE;
return 0;
}
struct rtnl_link_ops dsa_link_ops __read_mostly = {
.kind = "dsa",
.priv_size = sizeof(struct dsa_port),
.maxtype = IFLA_DSA_MAX,
.policy = dsa_policy,
.changelink = dsa_changelink,
.get_size = dsa_get_size,
.fill_info = dsa_fill_info,
.netns_refund = true,
};