Re: [PATCH net-next 01/14] iptunnel: Add common functions to get a tunnel route
From: kbuild test robot <hidden>
Date: 2017-09-19 07:31:46
Hi Tom, [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Tom-Herbert/gtp-Additional-feature-support/20170919-143920 config: i386-randconfig-x074-201738 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): In file included from net/ipv4/ip_tunnel_core.c:40:0: include/net/ip6_tunnel.h: In function 'ip6_tnl_get_route':
quoted
include/net/ip6_tunnel.h:168:28: error: implicit declaration of function 'dst_cache_get_ip6' [-Werror=implicit-function-declaration]
struct dst_entry *ndst = dst_cache_get_ip6(dst_cache, saddr);
^~~~~~~~~~~~~~~~~quoted
include/net/ip6_tunnel.h:168:28: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
cc1: some warnings being treated as errors
vim +/dst_cache_get_ip6 +168 include/net/ip6_tunnel.h
129
130 int ip6_tnl_rcv_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
131 const struct in6_addr *raddr);
132 int ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
133 const struct tnl_ptk_info *tpi, struct metadata_dst *tun_dst,
134 bool log_ecn_error);
135 int ip6_tnl_xmit_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
136 const struct in6_addr *raddr);
137 int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
138 struct flowi6 *fl6, int encap_limit, __u32 *pmtu, __u8 proto);
139 __u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw);
140 __u32 ip6_tnl_get_cap(struct ip6_tnl *t, const struct in6_addr *laddr,
141 const struct in6_addr *raddr);
142 struct net *ip6_tnl_get_link_net(const struct net_device *dev);
143 int ip6_tnl_get_iflink(const struct net_device *dev);
144 int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu);
145 struct dst_entry *__ip6_tnl_get_route(struct net_device *dev,
146 struct sk_buff *skb, struct sock *sk,
147 u8 proto, int oif, u8 tos, __be32 label,
148 const struct in6_addr *daddr,
149 struct in6_addr *saddr,
150 __be16 dport, __be16 sport,
151 struct dst_cache *dst_cache,
152 const struct ip_tunnel_info *info,
153 bool use_cache);
154
155 static inline struct dst_entry *ip6_tnl_get_route(struct net_device *dev,
156 struct sk_buff *skb, struct sock *sk, u8 proto,
157 int oif, u8 tos, __be32 label,
158 const struct in6_addr *daddr,
159 struct in6_addr *saddr,
160 __be16 dport, __be16 sport,
161 struct dst_cache *dst_cache,
162 const struct ip_tunnel_info *info)
163 {
164 bool use_cache = (ip_tunnel_dst_cache_usable(skb, info) &&
165 (!tos || info));
166
167 if (use_cache) {
> 168 struct dst_entry *ndst = dst_cache_get_ip6(dst_cache, saddr);
169
170 if (ndst)
171 return ndst;
172 }
173
174 return __ip6_tnl_get_route(dev, skb, sk, proto, oif, tos, label,
175 daddr, saddr, dport, sport, dst_cache,
176 info, use_cache);
177 }
178
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