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authorLiu Jian2022-09-29 21:52:02 +0800
committerDavid S. Miller2022-10-03 07:59:06 +0100
commit537dd2d9fb9f4aa7939fb4fcf552ebe4f497bd7e (patch)
treec346d5ef2525431db618326bf51cd3355c1a9fb5 /net/ipv4/ipip.c
parent42e8e6d906dabb58a0e0ea53443b0e0a0821f1d5 (diff)
net: Add helper function to parse netlink msg of ip_tunnel_encap
Add ip_tunnel_netlink_encap_parms to parse netlink msg of ip_tunnel_encap. Reduces duplicate code, no actual functional changes. Signed-off-by: Liu Jian <liujian56@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipip.c')
-rw-r--r--net/ipv4/ipip.c38
1 files changed, 2 insertions, 36 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 123ea63a04cb..7c64ca06adf3 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -448,40 +448,6 @@ static void ipip_netlink_parms(struct nlattr *data[],
*fwmark = nla_get_u32(data[IFLA_IPTUN_FWMARK]);
}
-/* This function returns true when ENCAP attributes are present in the nl msg */
-static bool ipip_netlink_encap_parms(struct nlattr *data[],
- struct ip_tunnel_encap *ipencap)
-{
- bool ret = false;
-
- memset(ipencap, 0, sizeof(*ipencap));
-
- if (!data)
- return ret;
-
- if (data[IFLA_IPTUN_ENCAP_TYPE]) {
- ret = true;
- ipencap->type = nla_get_u16(data[IFLA_IPTUN_ENCAP_TYPE]);
- }
-
- if (data[IFLA_IPTUN_ENCAP_FLAGS]) {
- ret = true;
- ipencap->flags = nla_get_u16(data[IFLA_IPTUN_ENCAP_FLAGS]);
- }
-
- if (data[IFLA_IPTUN_ENCAP_SPORT]) {
- ret = true;
- ipencap->sport = nla_get_be16(data[IFLA_IPTUN_ENCAP_SPORT]);
- }
-
- if (data[IFLA_IPTUN_ENCAP_DPORT]) {
- ret = true;
- ipencap->dport = nla_get_be16(data[IFLA_IPTUN_ENCAP_DPORT]);
- }
-
- return ret;
-}
-
static int ipip_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[],
struct netlink_ext_ack *extack)
@@ -491,7 +457,7 @@ static int ipip_newlink(struct net *src_net, struct net_device *dev,
struct ip_tunnel_encap ipencap;
__u32 fwmark = 0;
- if (ipip_netlink_encap_parms(data, &ipencap)) {
+ if (ip_tunnel_netlink_encap_parms(data, &ipencap)) {
int err = ip_tunnel_encap_setup(t, &ipencap);
if (err < 0)
@@ -512,7 +478,7 @@ static int ipip_changelink(struct net_device *dev, struct nlattr *tb[],
bool collect_md;
__u32 fwmark = t->fwmark;
- if (ipip_netlink_encap_parms(data, &ipencap)) {
+ if (ip_tunnel_netlink_encap_parms(data, &ipencap)) {
int err = ip_tunnel_encap_setup(t, &ipencap);
if (err < 0)