1 /******************************************************************************
3 Copyright (c) 2012, Intel Corporation
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7 modification, are permitted provided that the following conditions are met:
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32 ******************************************************************************/
34 #define MSRP_ETYPE 0x22EA
35 #define MSRP_PROT_VER 0x00
36 #define MSRP_SR_PVID_DEFAULT 2
39 * PortMediaType = either AccessControlPort (the case for wired) or
40 * Non-DMN shared medium port - we are assuming wired-LAN for this daemon
43 #define MSRP_TALKER_ADV_TYPE 1 /* with AttributeLength = 25 */
44 #define MSRP_TALKER_FAILED_TYPE 2 /* with AttributeLength = 34 */
45 #define MSRP_LISTENER_TYPE 3 /* with AttributeLength = 8 */
46 #define MSRP_DOMAIN_TYPE 4 /* with AttributeLength = 4 */
48 /* encodings for the Listener related FourPackedEvents field */
49 #define MSRP_LISTENER_IGNORE 0
50 #define MSRP_LISTENER_ASKFAILED 1
51 #define MSRP_LISTENER_READY 2
52 #define MSRP_LISTENER_READYFAIL 3
55 * FirstValue structure definition for MSRP Attributes
57 typedef struct msrpdu_listen {
58 uint8_t StreamID[8]; /* MSB bytes are talker MAC address */
62 typedef struct msrpdu_talker_advertise {
67 } DataFrameParameters;
69 uint16_t MaxFrameSize;
70 uint16_t MaxIntervalFrames;
72 uint8_t PriorityAndRank;
74 * PriorityAndRank := (3-bit priority | 1 bit rank | 4-bits reserved)
75 * 'rank=0 means emergency traffic, =1 otherwise
77 unsigned AccumulatedLatency; /* unsigned 32 bit nsec latency */
78 } msrpdu_talker_advertise_t;
81 typedef struct msrpdu_talker_fail {
86 } DataFrameParameters;
88 uint16_t MaxFrameSize;
89 uint16_t MaxIntervalFrames;
91 uint8_t PriorityAndRank;
92 unsigned AccumulatedLatency;
97 } msrpdu_talker_fail_t;
99 /* Failure Code definitions */
101 #define MSRP_FAIL_BANDWIDTH 1
102 #define MSRP_FAIL_BRIDGE 2
103 #define MSRP_FAIL_TC_BANDWIDTH 3
104 #define MSRP_FAIL_ID_BUSY 4
105 #define MSRP_FAIL_DSTADDR_BUSY 5
106 #define MSRP_FAIL_PREEMPTED 6
107 #define MSRP_FAIL_LATENCY_CHNG 7
108 #define MSRP_FAIL_PORT_NOT_AVB 8
109 #define MSRP_FAIL_DSTADDR_FULL 9
110 #define MSRP_FAIL_MSRP_RESOURCE 10
111 #define MSRP_FAIL_MMRP_RESOURCE 11
112 #define MSRP_FAIL_DSTADDR_FAIL 12
113 #define MSRP_FAIL_PRIO_NOT_SR 13
114 #define MSRP_FAIL_FRAME_SIZE 14
115 #define MSRP_FAIL_FANIN_EXCEED 15
116 #define MSRP_FAIL_STREAM_CHANGE 16
117 #define MSRP_FAIL_VLAN_BLOCKED 17
118 #define MSRP_FAIL_VLAN_DISABLED 18
119 #define MSRP_FAIL_SR_PRIO_ERR 19
121 /* Domain Discovery FirstValue definition */
122 typedef struct msrpdu_domain {
124 uint8_t SRclassPriority;
128 /* Class ID defitions */
129 #define MSRP_SR_CLASS_A 6
130 #define MSRP_SR_CLASS_B 5
132 /* default values for class priorities */
133 #define MSRP_SR_CLASS_A_PRIO 3
134 #define MSRP_SR_CLASS_B_PRIO 2
136 #define MSRP_DIRECTION_TALKER 0
137 #define MSRP_DIRECTION_LISTENER 1
139 struct msrp_attribute {
140 struct msrp_attribute *prev;
141 struct msrp_attribute *next;
144 msrpdu_talker_fail_t talk_listen;
145 msrpdu_domain_t domain;
147 uint32_t substate; /*for listener events */
148 uint32_t direction; /*for listener events */
149 mrp_applicant_attribute_t applicant;
150 mrp_registrar_attribute_t registrar;
153 struct msrp_database {
154 struct mrp_database mrp_db;
155 struct msrp_attribute *attrib_list;
158 int msrp_init(int msrp_enable);
159 int msrp_event(int event, struct msrp_attribute *rattrib);
160 int msrp_recv_cmd(char *buf, int buflen, struct sockaddr_in *client);
161 int msrp_send_notifications(struct msrp_attribute *attrib, int notify);
162 int msrp_reclaim(void);
163 void msrp_bye(struct sockaddr_in *client);
164 int msrp_recv_msg(void);