ipv6 directory was being built based on CONFIG_NET not CONFIG_INET. Signed-off-by: Tom Herbert <t...@herbertland.com> --- drivers/net/usb/cdc_mbim.c | 4 ++++ include/net/ipv6.h | 15 +++++++++++++++ include/net/net_namespace.h | 2 ++ net/Makefile | 2 +- 4 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 96a5028..6b38e0c 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -301,6 +301,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb return NULL; } +#ifdef CONFIG_INET /* Some devices are known to send Neigbor Solicitation messages and * require Neigbor Advertisement replies. The IPv6 core will not * respond since IFF_NOARP is set, so we must handle them ourselves. @@ -350,6 +351,7 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci) out: dev_put(netdev); } +#endif static bool is_neigh_solicit(u8 *buf, size_t len) { @@ -377,8 +379,10 @@ static struct sk_buff *cdc_mbim_process_dgram(struct usbnet *dev, u8 *buf, size_ proto = htons(ETH_P_IP); break; case 0x60: +#ifdef CONFIG_INET if (is_neigh_solicit(buf, len)) do_neigh_solicit(dev, buf, tci); +#endif proto = htons(ETH_P_IPV6); break; default: diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 8fed1cd..cbb1ce0 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -936,8 +936,15 @@ void ipv6_push_nfrag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, void ipv6_push_frag_opts(struct sk_buff *skb, struct ipv6_txoptions *opt, u8 *proto); +#ifdef CONFIG_INET int ipv6_skip_exthdr(const struct sk_buff *, int start, u8 *nexthdrp, __be16 *frag_offp); +#else +static inline int ipv6_skip_exthdr(const struct sk_buff *skb, int start, + u8 *nexthdrp, __be16 *frag_offp) { + return -1; +} +#endif bool ipv6_ext_hdr(u8 nexthdr); @@ -948,8 +955,16 @@ enum { }; /* find specified header and get offset to it */ +#ifdef CONFIG_INET int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, int target, unsigned short *fragoff, int *fragflg); +#else +static inline int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, + int target, unsigned short *fragoff, + int *fragflg) { + return -EPROTONOSUPPORT; +} +#endif int ipv6_find_tlv(const struct sk_buff *skb, int offset, int type); diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index fc4f757..b4c4a5f 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -352,8 +352,10 @@ static inline void rt_genid_bump_ipv4(struct net *net) extern void (*__fib6_flush_trees)(struct net *net); static inline void rt_genid_bump_ipv6(struct net *net) { +#ifdef CONFIG_INET if (__fib6_flush_trees) __fib6_flush_trees(net); +#endif } #if IS_ENABLED(CONFIG_IEEE802154_6LOWPAN) diff --git a/net/Makefile b/net/Makefile index 4cafaa2..82ffb91 100644 --- a/net/Makefile +++ b/net/Makefile @@ -17,7 +17,7 @@ obj-$(CONFIG_NETFILTER) += netfilter/ obj-$(CONFIG_INET) += ipv4/ obj-$(CONFIG_XFRM) += xfrm/ obj-$(CONFIG_UNIX) += unix/ -obj-$(CONFIG_NET) += ipv6/ +obj-$(CONFIG_INET) += ipv6/ obj-$(CONFIG_PACKET) += packet/ obj-$(CONFIG_NET_KEY) += key/ obj-$(CONFIG_BRIDGE) += bridge/ -- 2.9.3