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milan-avb: aecp-aem-state: add interface counters and descriptor storage

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hackerman-kl 2026-04-25 09:18:34 +02:00 • committed by Wim Taymans
parent 38f3cdf7cf
commit 7f558a1a3b
1 changed files with 52 additions and 0 deletions
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52
src/modules/module-avb/aecp-aem-state.h
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@ -79,12 +79,33 @@ struct aecp_aem_lock_state {
bool is_locked; bool is_locked;
}; };
/**
* \brief Milan v1.2 Section 5.4.2.25 / Tables 5.13–5.14 — AVB Interface counters.
* LINK_UP / LINK_DOWN / GPTP_GM_CHANGED are mandatory; controllers infer the
* current link state from (LINK_UP > LINK_DOWN). We don't (yet) hook netlink
* for runtime up/down events, so link_up is seeded to 1 at descriptor
* creation — the interface is up by the time the daemon successfully binds. */
struct aecp_aem_avb_interface_counters {
uint32_t link_up;
uint32_t link_down;
uint32_t gptp_gm_changed;
};
struct aecp_aem_avb_interface_state { struct aecp_aem_avb_interface_state {
struct avb_aem_desc_avb_interface desc; struct avb_aem_desc_avb_interface desc;
struct avb_msrp_attribute domain_attr; struct avb_msrp_attribute domain_attr;
struct avb_mvrp_attribute vlan_attr; struct avb_mvrp_attribute vlan_attr;
struct aecp_aem_avb_interface_counters counters;
/* Milan Section 5.4.5: emit unsolicited GET_COUNTERS when any counter is
* updated, max once per second per descriptor. counters_dirty is set
* by the writer; AECP's periodic emits when dirty AND the rate-limit
* has elapsed, then clears dirty and updates last_counters_emit_ns. */
bool counters_dirty;
int64_t last_counters_emit_ns;
}; };
@ -139,12 +160,26 @@ struct stream_common {
struct avb_msrp_attribute tfstream_attr; struct avb_msrp_attribute tfstream_attr;
}; };
#define AVB_AEM_STREAM_DESC_EXTRA_SIZE 128
struct aecp_aem_stream_input_state { struct aecp_aem_stream_input_state {
struct avb_aem_desc_stream desc; struct avb_aem_desc_stream desc;
uint8_t desc_extra[AVB_AEM_STREAM_DESC_EXTRA_SIZE];
struct aecp_aem_stream_input_counters counters; struct aecp_aem_stream_input_counters counters;
struct stream_common common; struct stream_common common;
struct avb_mvrp_attribute mvrp_attr; struct avb_mvrp_attribute mvrp_attr;
/** Milan v1.2 Section 5.3.8.7: started/stopped state of the bound Stream Input.
* Toggled by START_STREAMING / STOP_STREAMING. Defaults to started.
* Undefined when the Stream Input is not bound. */
bool started;
bool stream_info_dirty;
/* Milan Section 5.4.5 counter unsolicited rate-limit (see avb_interface_state). */
bool counters_dirty;
int64_t last_counters_emit_ns;
}; };
struct acmp_stream_status_milan_v12 { struct acmp_stream_status_milan_v12 {
@ -176,6 +211,7 @@ struct aecp_aem_stream_output_counters {
struct aecp_aem_stream_output_state { struct aecp_aem_stream_output_state {
struct avb_aem_desc_stream desc; struct avb_aem_desc_stream desc;
uint8_t desc_extra[AVB_AEM_STREAM_DESC_EXTRA_SIZE];
struct aecp_aem_stream_output_counters counters; struct aecp_aem_stream_output_counters counters;
struct stream_common common; struct stream_common common;
@ -183,6 +219,22 @@ struct aecp_aem_stream_output_state {
/** Milan v1.2 Section 4.3.3.1: absolute time of last PROBE_TX_COMMAND received. /** Milan v1.2 Section 4.3.3.1: absolute time of last PROBE_TX_COMMAND received.
* 0 = never received. Reset to 0 when SRP is deactivated. */ * 0 = never received. Reset to 0 when SRP is deactivated. */
int64_t last_probe_rx_time; int64_t last_probe_rx_time;
/** Milan v1.2 Section 4.3.3.1: a Listener MSRP attribute matching this Stream
* Output's stream_id is currently registered (foreign declaration
* observed via MRP). Maintained by notify_listener() in msrp.c. */
bool listener_observed;
/** Milan v1.2 Section 5.3.7.6: Presentation time offset, in nanoseconds.
* Default 2_000_000 (2 ms). Settable via SET_STREAM_INFO with the
* MSRP_ACC_LAT_VALID flag. Range 0 .. 0x7FFFFFFF. */
uint32_t presentation_time_offset_ns;
bool stream_info_dirty;
/* Milan Section 5.4.5 counter unsolicited rate-limit (see avb_interface_state). */
bool counters_dirty;
int64_t last_counters_emit_ns;
}; };
struct aecp_aem_stream_output_state_milan_v12 { struct aecp_aem_stream_output_state_milan_v12 {