^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef _NET_MRP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _NET_MRP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #define MRP_END_MARK 0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) struct mrp_pdu_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) u8 version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct mrp_msg_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) u8 attrtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) u8 attrlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct mrp_vecattr_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) __be16 lenflags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) unsigned char firstattrvalue[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) enum mrp_vecattr_event {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) MRP_VECATTR_EVENT_NEW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) MRP_VECATTR_EVENT_JOIN_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) MRP_VECATTR_EVENT_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) MRP_VECATTR_EVENT_JOIN_MT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) MRP_VECATTR_EVENT_MT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) MRP_VECATTR_EVENT_LV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) __MRP_VECATTR_EVENT_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct mrp_skb_cb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct mrp_msg_hdr *mh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct mrp_vecattr_hdr *vah;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned char attrvalue[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) BUILD_BUG_ON(sizeof(struct mrp_skb_cb) >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) sizeof_field(struct sk_buff, cb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return (struct mrp_skb_cb *)skb->cb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) enum mrp_applicant_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) MRP_APPLICANT_INVALID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) MRP_APPLICANT_VO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) MRP_APPLICANT_VP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) MRP_APPLICANT_VN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) MRP_APPLICANT_AN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) MRP_APPLICANT_AA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) MRP_APPLICANT_QA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) MRP_APPLICANT_LA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) MRP_APPLICANT_AO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) MRP_APPLICANT_QO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) MRP_APPLICANT_AP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) MRP_APPLICANT_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) __MRP_APPLICANT_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define MRP_APPLICANT_MAX (__MRP_APPLICANT_MAX - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) enum mrp_event {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) MRP_EVENT_NEW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) MRP_EVENT_JOIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) MRP_EVENT_LV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) MRP_EVENT_TX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) MRP_EVENT_R_NEW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) MRP_EVENT_R_JOIN_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) MRP_EVENT_R_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) MRP_EVENT_R_JOIN_MT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) MRP_EVENT_R_MT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) MRP_EVENT_R_LV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) MRP_EVENT_R_LA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) MRP_EVENT_REDECLARE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) MRP_EVENT_PERIODIC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) __MRP_EVENT_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define MRP_EVENT_MAX (__MRP_EVENT_MAX - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) enum mrp_tx_action {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) MRP_TX_ACTION_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) MRP_TX_ACTION_S_NEW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) MRP_TX_ACTION_S_JOIN_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) MRP_TX_ACTION_S_JOIN_IN_OPTIONAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) MRP_TX_ACTION_S_IN_OPTIONAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) MRP_TX_ACTION_S_LV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct mrp_attr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct rb_node node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) enum mrp_applicant_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) u8 len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) unsigned char value[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) enum mrp_applications {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) MRP_APPLICATION_MVRP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) __MRP_APPLICATION_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define MRP_APPLICATION_MAX (__MRP_APPLICATION_MAX - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct mrp_application {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) enum mrp_applications type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) unsigned int maxattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct packet_type pkttype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) unsigned char group_address[ETH_ALEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) u8 version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct mrp_applicant {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct mrp_application *app;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct net_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct timer_list join_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct timer_list periodic_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct sk_buff_head queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct sk_buff *pdu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct rb_root mad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct rcu_head rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct mrp_port {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct mrp_applicant __rcu *applicants[MRP_APPLICATION_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct rcu_head rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int mrp_register_application(struct mrp_application *app);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) void mrp_unregister_application(struct mrp_application *app);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) int mrp_init_applicant(struct net_device *dev, struct mrp_application *app);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *app);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int mrp_request_join(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) const struct mrp_application *app,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) const void *value, u8 len, u8 type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) void mrp_request_leave(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) const struct mrp_application *app,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) const void *value, u8 len, u8 type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) #endif /* _NET_MRP_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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