diff options
Diffstat (limited to 'net/sched/act_meta_mark.c')
-rw-r--r-- | net/sched/act_meta_mark.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/net/sched/act_meta_mark.c b/net/sched/act_meta_mark.c new file mode 100644 index 0000000000..ea0573cb8b --- /dev/null +++ b/net/sched/act_meta_mark.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * net/sched/act_meta_mark.c IFE skb->mark metadata module + * + * copyright Jamal Hadi Salim (2015) +*/ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/skbuff.h> +#include <linux/rtnetlink.h> +#include <linux/module.h> +#include <linux/init.h> +#include <net/netlink.h> +#include <net/pkt_sched.h> +#include <uapi/linux/tc_act/tc_ife.h> +#include <net/tc_act/tc_ife.h> + +static int skbmark_encode(struct sk_buff *skb, void *skbdata, + struct tcf_meta_info *e) +{ + u32 ifemark = skb->mark; + + return ife_encode_meta_u32(ifemark, skbdata, e); +} + +static int skbmark_decode(struct sk_buff *skb, void *data, u16 len) +{ + u32 ifemark = *(u32 *)data; + + skb->mark = ntohl(ifemark); + return 0; +} + +static int skbmark_check(struct sk_buff *skb, struct tcf_meta_info *e) +{ + return ife_check_meta_u32(skb->mark, e); +} + +static struct tcf_meta_ops ife_skbmark_ops = { + .metaid = IFE_META_SKBMARK, + .metatype = NLA_U32, + .name = "skbmark", + .synopsis = "skb mark 32 bit metadata", + .check_presence = skbmark_check, + .encode = skbmark_encode, + .decode = skbmark_decode, + .get = ife_get_meta_u32, + .alloc = ife_alloc_meta_u32, + .release = ife_release_meta_gen, + .validate = ife_validate_meta_u32, + .owner = THIS_MODULE, +}; + +static int __init ifemark_init_module(void) +{ + return register_ife_op(&ife_skbmark_ops); +} + +static void __exit ifemark_cleanup_module(void) +{ + unregister_ife_op(&ife_skbmark_ops); +} + +module_init(ifemark_init_module); +module_exit(ifemark_cleanup_module); + +MODULE_AUTHOR("Jamal Hadi Salim(2015)"); +MODULE_DESCRIPTION("Inter-FE skb mark metadata module"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_IFE_META("skbmark"); |