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rtnl: make ifla_policy static

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The only place this is used outside rtnetlink.c is veth. So provide
wrapper function for this usage.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2014-02-18 20:53:18 +01:00 committed by David S. Miller
parent e83abe37ba
commit f7b12606b5
3 changed files with 74 additions and 69 deletions
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8
drivers/net/veth.c
View File

@ -14,6 +14,7 @@
#include <linux/etherdevice.h> #include <linux/etherdevice.h>
#include <linux/u64_stats_sync.h> #include <linux/u64_stats_sync.h>
#include <net/rtnetlink.h>
#include <net/dst.h> #include <net/dst.h>
#include <net/xfrm.h> #include <net/xfrm.h>
#include <linux/veth.h> #include <linux/veth.h>
@ -323,10 +324,9 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
nla_peer = data[VETH_INFO_PEER]; nla_peer = data[VETH_INFO_PEER];
ifmp = nla_data(nla_peer); ifmp = nla_data(nla_peer);
err = nla_parse(peer_tb, IFLA_MAX, err = rtnl_nla_parse_ifla(peer_tb,
nla_data(nla_peer) + sizeof(struct ifinfomsg), nla_data(nla_peer) + sizeof(struct ifinfomsg),
nla_len(nla_peer) - sizeof(struct ifinfomsg), nla_len(nla_peer) - sizeof(struct ifinfomsg));
ifla_policy);
if (err < 0) if (err < 0)
return err; return err;

2
include/net/rtnetlink.h
View File

@ -140,7 +140,7 @@ struct net_device *rtnl_create_link(struct net *net, char *ifname,
struct nlattr *tb[]); struct nlattr *tb[]);
int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm); int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm);
extern const struct nla_policy ifla_policy[IFLA_MAX+1]; int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len);
#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)

133
net/core/rtnetlink.c
View File

@ -1121,6 +1121,70 @@ nla_put_failure:
return -EMSGSIZE; return -EMSGSIZE;
} }
static const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_IFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ-1 },
[IFLA_ADDRESS] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
[IFLA_BROADCAST] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
[IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
[IFLA_MTU] = { .type = NLA_U32 },
[IFLA_LINK] = { .type = NLA_U32 },
[IFLA_MASTER] = { .type = NLA_U32 },
[IFLA_CARRIER] = { .type = NLA_U8 },
[IFLA_TXQLEN] = { .type = NLA_U32 },
[IFLA_WEIGHT] = { .type = NLA_U32 },
[IFLA_OPERSTATE] = { .type = NLA_U8 },
[IFLA_LINKMODE] = { .type = NLA_U8 },
[IFLA_LINKINFO] = { .type = NLA_NESTED },
[IFLA_NET_NS_PID] = { .type = NLA_U32 },
[IFLA_NET_NS_FD] = { .type = NLA_U32 },
[IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 },
[IFLA_VFINFO_LIST] = {. type = NLA_NESTED },
[IFLA_VF_PORTS] = { .type = NLA_NESTED },
[IFLA_PORT_SELF] = { .type = NLA_NESTED },
[IFLA_AF_SPEC] = { .type = NLA_NESTED },
[IFLA_EXT_MASK] = { .type = NLA_U32 },
[IFLA_PROMISCUITY] = { .type = NLA_U32 },
[IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
[IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
[IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
};
static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
[IFLA_INFO_KIND] = { .type = NLA_STRING },
[IFLA_INFO_DATA] = { .type = NLA_NESTED },
[IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING },
[IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED },
};
static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = {
[IFLA_VF_INFO] = { .type = NLA_NESTED },
};
static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
[IFLA_VF_MAC] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_mac) },
[IFLA_VF_VLAN] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_vlan) },
[IFLA_VF_TX_RATE] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_tx_rate) },
[IFLA_VF_SPOOFCHK] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_spoofchk) },
};
static const struct nla_policy ifla_port_policy[IFLA_PORT_MAX+1] = {
[IFLA_PORT_VF] = { .type = NLA_U32 },
[IFLA_PORT_PROFILE] = { .type = NLA_STRING,
.len = PORT_PROFILE_MAX },
[IFLA_PORT_VSI_TYPE] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_port_vsi)},
[IFLA_PORT_INSTANCE_UUID] = { .type = NLA_BINARY,
.len = PORT_UUID_MAX },
[IFLA_PORT_HOST_UUID] = { .type = NLA_STRING,
.len = PORT_UUID_MAX },
[IFLA_PORT_REQUEST] = { .type = NLA_U8, },
[IFLA_PORT_RESPONSE] = { .type = NLA_U16, },
};
static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
{ {
struct net *net = sock_net(skb->sk); struct net *net = sock_net(skb->sk);
@ -1170,70 +1234,11 @@ out:
return skb->len; return skb->len;
} }
const struct nla_policy ifla_policy[IFLA_MAX+1] = { int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len)
[IFLA_IFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ-1 }, {
[IFLA_ADDRESS] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN }, return nla_parse(tb, IFLA_MAX, head, len, ifla_policy);
[IFLA_BROADCAST] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN }, }
[IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) }, EXPORT_SYMBOL(rtnl_nla_parse_ifla);
[IFLA_MTU] = { .type = NLA_U32 },
[IFLA_LINK] = { .type = NLA_U32 },
[IFLA_MASTER] = { .type = NLA_U32 },
[IFLA_CARRIER] = { .type = NLA_U8 },
[IFLA_TXQLEN] = { .type = NLA_U32 },
[IFLA_WEIGHT] = { .type = NLA_U32 },
[IFLA_OPERSTATE] = { .type = NLA_U8 },
[IFLA_LINKMODE] = { .type = NLA_U8 },
[IFLA_LINKINFO] = { .type = NLA_NESTED },
[IFLA_NET_NS_PID] = { .type = NLA_U32 },
[IFLA_NET_NS_FD] = { .type = NLA_U32 },
[IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 },
[IFLA_VFINFO_LIST] = {. type = NLA_NESTED },
[IFLA_VF_PORTS] = { .type = NLA_NESTED },
[IFLA_PORT_SELF] = { .type = NLA_NESTED },
[IFLA_AF_SPEC] = { .type = NLA_NESTED },
[IFLA_EXT_MASK] = { .type = NLA_U32 },
[IFLA_PROMISCUITY] = { .type = NLA_U32 },
[IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
[IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
[IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
};
EXPORT_SYMBOL(ifla_policy);
static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
[IFLA_INFO_KIND] = { .type = NLA_STRING },
[IFLA_INFO_DATA] = { .type = NLA_NESTED },
[IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING },
[IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED },
};
static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = {
[IFLA_VF_INFO] = { .type = NLA_NESTED },
};
static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
[IFLA_VF_MAC] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_mac) },
[IFLA_VF_VLAN] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_vlan) },
[IFLA_VF_TX_RATE] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_tx_rate) },
[IFLA_VF_SPOOFCHK] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_spoofchk) },
};
static const struct nla_policy ifla_port_policy[IFLA_PORT_MAX+1] = {
[IFLA_PORT_VF] = { .type = NLA_U32 },
[IFLA_PORT_PROFILE] = { .type = NLA_STRING,
.len = PORT_PROFILE_MAX },
[IFLA_PORT_VSI_TYPE] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_port_vsi)},
[IFLA_PORT_INSTANCE_UUID] = { .type = NLA_BINARY,
.len = PORT_UUID_MAX },
[IFLA_PORT_HOST_UUID] = { .type = NLA_STRING,
.len = PORT_UUID_MAX },
[IFLA_PORT_REQUEST] = { .type = NLA_U8, },
[IFLA_PORT_RESPONSE] = { .type = NLA_U16, },
};
struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]) struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[])
{ {