~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/net/mrp.h

Version: ~ [ linux-6.11.5 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.58 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.114 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.169 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.228 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.284 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.322 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _NET_MRP_H
  3 #define _NET_MRP_H
  4 
  5 #include <linux/netdevice.h>
  6 #include <linux/skbuff.h>
  7 #include <linux/types.h>
  8 
  9 #define MRP_END_MARK            0x0
 10 
 11 struct mrp_pdu_hdr {
 12         u8      version;
 13 };
 14 
 15 struct mrp_msg_hdr {
 16         u8      attrtype;
 17         u8      attrlen;
 18 };
 19 
 20 struct mrp_vecattr_hdr {
 21         __be16  lenflags;
 22         unsigned char   firstattrvalue[];
 23 #define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF)
 24 #define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000)
 25 };
 26 
 27 enum mrp_vecattr_event {
 28         MRP_VECATTR_EVENT_NEW,
 29         MRP_VECATTR_EVENT_JOIN_IN,
 30         MRP_VECATTR_EVENT_IN,
 31         MRP_VECATTR_EVENT_JOIN_MT,
 32         MRP_VECATTR_EVENT_MT,
 33         MRP_VECATTR_EVENT_LV,
 34         __MRP_VECATTR_EVENT_MAX
 35 };
 36 
 37 struct mrp_skb_cb {
 38         struct mrp_msg_hdr      *mh;
 39         struct mrp_vecattr_hdr  *vah;
 40         unsigned char           attrvalue[];
 41 };
 42 
 43 static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb)
 44 {
 45         BUILD_BUG_ON(sizeof(struct mrp_skb_cb) >
 46                      sizeof_field(struct sk_buff, cb));
 47         return (struct mrp_skb_cb *)skb->cb;
 48 }
 49 
 50 enum mrp_applicant_state {
 51         MRP_APPLICANT_INVALID,
 52         MRP_APPLICANT_VO,
 53         MRP_APPLICANT_VP,
 54         MRP_APPLICANT_VN,
 55         MRP_APPLICANT_AN,
 56         MRP_APPLICANT_AA,
 57         MRP_APPLICANT_QA,
 58         MRP_APPLICANT_LA,
 59         MRP_APPLICANT_AO,
 60         MRP_APPLICANT_QO,
 61         MRP_APPLICANT_AP,
 62         MRP_APPLICANT_QP,
 63         __MRP_APPLICANT_MAX
 64 };
 65 #define MRP_APPLICANT_MAX       (__MRP_APPLICANT_MAX - 1)
 66 
 67 enum mrp_event {
 68         MRP_EVENT_NEW,
 69         MRP_EVENT_JOIN,
 70         MRP_EVENT_LV,
 71         MRP_EVENT_TX,
 72         MRP_EVENT_R_NEW,
 73         MRP_EVENT_R_JOIN_IN,
 74         MRP_EVENT_R_IN,
 75         MRP_EVENT_R_JOIN_MT,
 76         MRP_EVENT_R_MT,
 77         MRP_EVENT_R_LV,
 78         MRP_EVENT_R_LA,
 79         MRP_EVENT_REDECLARE,
 80         MRP_EVENT_PERIODIC,
 81         __MRP_EVENT_MAX
 82 };
 83 #define MRP_EVENT_MAX           (__MRP_EVENT_MAX - 1)
 84 
 85 enum mrp_tx_action {
 86         MRP_TX_ACTION_NONE,
 87         MRP_TX_ACTION_S_NEW,
 88         MRP_TX_ACTION_S_JOIN_IN,
 89         MRP_TX_ACTION_S_JOIN_IN_OPTIONAL,
 90         MRP_TX_ACTION_S_IN_OPTIONAL,
 91         MRP_TX_ACTION_S_LV,
 92 };
 93 
 94 struct mrp_attr {
 95         struct rb_node                  node;
 96         enum mrp_applicant_state        state;
 97         u8                              type;
 98         u8                              len;
 99         unsigned char                   value[];
100 };
101 
102 enum mrp_applications {
103         MRP_APPLICATION_MVRP,
104         __MRP_APPLICATION_MAX
105 };
106 #define MRP_APPLICATION_MAX     (__MRP_APPLICATION_MAX - 1)
107 
108 struct mrp_application {
109         enum mrp_applications   type;
110         unsigned int            maxattr;
111         struct packet_type      pkttype;
112         unsigned char           group_address[ETH_ALEN];
113         u8                      version;
114 };
115 
116 struct mrp_applicant {
117         struct mrp_application  *app;
118         struct net_device       *dev;
119         struct timer_list       join_timer;
120         struct timer_list       periodic_timer;
121 
122         spinlock_t              lock;
123         struct sk_buff_head     queue;
124         struct sk_buff          *pdu;
125         struct rb_root          mad;
126         struct rcu_head         rcu;
127         bool                    active;
128 };
129 
130 struct mrp_port {
131         struct mrp_applicant __rcu      *applicants[MRP_APPLICATION_MAX + 1];
132         struct rcu_head                 rcu;
133 };
134 
135 int mrp_register_application(struct mrp_application *app);
136 void mrp_unregister_application(struct mrp_application *app);
137 
138 int mrp_init_applicant(struct net_device *dev, struct mrp_application *app);
139 void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *app);
140 
141 int mrp_request_join(const struct net_device *dev,
142                      const struct mrp_application *app,
143                      const void *value, u8 len, u8 type);
144 void mrp_request_leave(const struct net_device *dev,
145                        const struct mrp_application *app,
146                        const void *value, u8 len, u8 type);
147 
148 #endif /* _NET_MRP_H */
149 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

sflogo.php