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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /net/ipv4/netlink.c | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv4/netlink.c')
| -rw-r--r-- | net/ipv4/netlink.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/net/ipv4/netlink.c b/net/ipv4/netlink.c new file mode 100644 index 000000000..d8e3a1fb8 --- /dev/null +++ b/net/ipv4/netlink.c @@ -0,0 +1,32 @@ +#include <linux/netlink.h> +#include <linux/rtnetlink.h> +#include <linux/types.h> +#include <net/net_namespace.h> +#include <net/netlink.h> +#include <linux/in6.h> +#include <net/ip.h> + +int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family, + struct netlink_ext_ack *extack) +{ + *ip_proto = nla_get_u8(attr); + + switch (*ip_proto) { + case IPPROTO_TCP: + case IPPROTO_UDP: + return 0; + case IPPROTO_ICMP: + if (family != AF_INET) + break; + return 0; +#if IS_ENABLED(CONFIG_IPV6) + case IPPROTO_ICMPV6: + if (family != AF_INET6) + break; + return 0; +#endif + } + NL_SET_ERR_MSG(extack, "Unsupported ip proto"); + return -EOPNOTSUPP; +} +EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto); |