diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 2 | ||||
| -rw-r--r-- | include/net/mrp.h | 143 |
2 files changed, 145 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index ab2774eb49e8..25bd46f52877 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1290,6 +1290,8 @@ struct net_device { }; /* GARP */ struct garp_port __rcu *garp_port; + /* MRP */ + struct mrp_port __rcu *mrp_port; /* class/net/name entry */ struct device dev; diff --git a/include/net/mrp.h b/include/net/mrp.h new file mode 100644 index 000000000000..4fbf02aa2ec1 --- /dev/null +++ b/include/net/mrp.h @@ -0,0 +1,143 @@ +#ifndef _NET_MRP_H +#define _NET_MRP_H + +#define MRP_END_MARK 0x0 + +struct mrp_pdu_hdr { + u8 version; +}; + +struct mrp_msg_hdr { + u8 attrtype; + u8 attrlen; +}; + +struct mrp_vecattr_hdr { + __be16 lenflags; + unsigned char firstattrvalue[]; +#define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF) +#define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000) +}; + +enum mrp_vecattr_event { + MRP_VECATTR_EVENT_NEW, + MRP_VECATTR_EVENT_JOIN_IN, + MRP_VECATTR_EVENT_IN, + MRP_VECATTR_EVENT_JOIN_MT, + MRP_VECATTR_EVENT_MT, + MRP_VECATTR_EVENT_LV, + __MRP_VECATTR_EVENT_MAX +}; + +struct mrp_skb_cb { + struct mrp_msg_hdr *mh; + struct mrp_vecattr_hdr *vah; + unsigned char attrvalue[]; +}; + +static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb) +{ + BUILD_BUG_ON(sizeof(struct mrp_skb_cb) > + FIELD_SIZEOF(struct sk_buff, cb)); + return (struct mrp_skb_cb *)skb->cb; +} + +enum mrp_applicant_state { + MRP_APPLICANT_INVALID, + MRP_APPLICANT_VO, + MRP_APPLICANT_VP, + MRP_APPLICANT_VN, + MRP_APPLICANT_AN, + MRP_APPLICANT_AA, + MRP_APPLICANT_QA, + MRP_APPLICANT_LA, + MRP_APPLICANT_AO, + MRP_APPLICANT_QO, + MRP_APPLICANT_AP, + MRP_APPLICANT_QP, + __MRP_APPLICANT_MAX +}; +#define MRP_APPLICANT_MAX (__MRP_APPLICANT_MAX - 1) + +enum mrp_event { + MRP_EVENT_NEW, + MRP_EVENT_JOIN, + MRP_EVENT_LV, + MRP_EVENT_TX, + MRP_EVENT_R_NEW, + MRP_EVENT_R_JOIN_IN, + MRP_EVENT_R_IN, + MRP_EVENT_R_JOIN_MT, + MRP_EVENT_R_MT, + MRP_EVENT_R_LV, + MRP_EVENT_R_LA, + MRP_EVENT_REDECLARE, + MRP_EVENT_PERIODIC, + __MRP_EVENT_MAX +}; +#define MRP_EVENT_MAX (__MRP_EVENT_MAX - 1) + +enum mrp_tx_action { + MRP_TX_ACTION_NONE, + MRP_TX_ACTION_S_NEW, + MRP_TX_ACTION_S_JOIN_IN, + MRP_TX_ACTION_S_JOIN_IN_OPTIONAL, + MRP_TX_ACTION_S_IN_OPTIONAL, + MRP_TX_ACTION_S_LV, +}; + +struct mrp_attr { + struct rb_node node; + enum mrp_applicant_state state; + u8 type; + u8 len; + unsigned char value[]; +}; + +enum mrp_applications { + MRP_APPLICATION_MVRP, + __MRP_APPLICATION_MAX +}; +#define MRP_APPLICATION_MAX (__MRP_APPLICATION_MAX - 1) + +struct mrp_application { + enum mrp_applications type; + unsigned int maxattr; + struct packet_type pkttype; + unsigned char group_address[ETH_ALEN]; + u8 version; +}; + +struct mrp_applicant { + struct mrp_application *app; + struct net_device *dev; + struct timer_list join_timer; + + spinlock_t lock; + struct sk_buff_head queue; + struct sk_buff *pdu; + struct rb_root mad; + struct rcu_head rcu; +}; + +struct mrp_port { + struct mrp_applicant __rcu *applicants[MRP_APPLICATION_MAX + 1]; + struct rcu_head rcu; +}; + +extern int mrp_register_application(struct mrp_application *app); +extern void mrp_unregister_application(struct mrp_application *app); + +extern int mrp_init_applicant(struct net_device *dev, + struct mrp_application *app); +extern void mrp_uninit_applicant(struct net_device *dev, + struct mrp_application *app); + +extern int mrp_request_join(const struct net_device *dev, + const struct mrp_application *app, + const void *value, u8 len, u8 type); +extern void mrp_request_leave(const struct net_device *dev, + const struct mrp_application *app, + const void *value, u8 len, u8 type); + +#endif /* _NET_MRP_H */ |