diff options
| -rw-r--r-- | net/sched/Kconfig | 5 | ||||
| -rw-r--r-- | net/sched/Makefile | 1 | ||||
| -rw-r--r-- | net/sched/act_meta_skbprio.c | 76 |
3 files changed, 82 insertions, 0 deletions
diff --git a/net/sched/Kconfig b/net/sched/Kconfig index 85854c089d11..b148302bbaf2 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -756,6 +756,11 @@ config NET_IFE_SKBMARK depends on NET_ACT_IFE ---help--- +config NET_IFE_SKBPRIO + tristate "Support to encoding decoding skb prio on IFE action" + depends on NET_ACT_IFE + ---help--- + config NET_CLS_IND bool "Incoming device classification" depends on NET_CLS_U32 || NET_CLS_FW diff --git a/net/sched/Makefile b/net/sched/Makefile index 3f7a182955c2..84bddb373517 100644 --- a/net/sched/Makefile +++ b/net/sched/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_NET_ACT_BPF) += act_bpf.o obj-$(CONFIG_NET_ACT_CONNMARK) += act_connmark.o obj-$(CONFIG_NET_ACT_IFE) += act_ife.o obj-$(CONFIG_NET_IFE_SKBMARK) += act_meta_mark.o +obj-$(CONFIG_NET_IFE_SKBPRIO) += act_meta_skbprio.o obj-$(CONFIG_NET_SCH_FIFO) += sch_fifo.o obj-$(CONFIG_NET_SCH_CBQ) += sch_cbq.o obj-$(CONFIG_NET_SCH_HTB) += sch_htb.o diff --git a/net/sched/act_meta_skbprio.c b/net/sched/act_meta_skbprio.c new file mode 100644 index 000000000000..26bf4d86030b --- /dev/null +++ b/net/sched/act_meta_skbprio.c @@ -0,0 +1,76 @@ +/* + * net/sched/act_meta_prio.c IFE skb->priority metadata module + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * 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 skbprio_check(struct sk_buff *skb, struct tcf_meta_info *e) +{ + return ife_check_meta_u32(skb->priority, e); +} + +static int skbprio_encode(struct sk_buff *skb, void *skbdata, + struct tcf_meta_info *e) +{ + u32 ifeprio = skb->priority; /* avoid having to cast skb->priority*/ + + return ife_encode_meta_u32(ifeprio, skbdata, e); +} + +static int skbprio_decode(struct sk_buff *skb, void *data, u16 len) +{ + u32 ifeprio = *(u32 *)data; + + skb->priority = ntohl(ifeprio); + return 0; +} + +static struct tcf_meta_ops ife_prio_ops = { + .metaid = IFE_META_PRIO, + .metatype = NLA_U32, + .name = "skbprio", + .synopsis = "skb prio metadata", + .check_presence = skbprio_check, + .encode = skbprio_encode, + .decode = skbprio_decode, + .get = ife_get_meta_u32, + .alloc = ife_alloc_meta_u32, + .owner = THIS_MODULE, +}; + +static int __init ifeprio_init_module(void) +{ + return register_ife_op(&ife_prio_ops); +} + +static void __exit ifeprio_cleanup_module(void) +{ + unregister_ife_op(&ife_prio_ops); +} + +module_init(ifeprio_init_module); +module_exit(ifeprio_cleanup_module); + +MODULE_AUTHOR("Jamal Hadi Salim(2015)"); +MODULE_DESCRIPTION("Inter-FE skb prio metadata action"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_IFE_META(IFE_META_PRIO); |