mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2026-02-05 04:06:37 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

milan-avb: Make sure to get payload size not the packet size

Browse source
This commit is contained in:
hackerman-kl 2026-01-09 09:36:28 +01:00
parent aec99d2b6f
commit d3a5b352b2
1 changed files with 10 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/modules/module-avb/aecp-aem-cmds-resps/reply-unsol-helpers.c
View file

@ -12,7 +12,7 @@
#include <pipewire/log.h>
#define AECP_UNSOL_BUFFER_SIZE (128U)
#define AECP_AEM_MIN_PACKET_LENGTH (64U)
#define AECP_AEM_MIN_PACKET_LENGTH (60U)
static int reply_unsol_get_specific_info(struct aecp *aecp, struct descriptor *desc,
struct aecp_aem_unsol_notification_state **unsol_state, size_t *count)
@ -76,13 +76,13 @@ static int reply_unsol_send(struct aecp *aecp, uint64_t controller_id,
&& !internal) {
/* Do not send unsolicited if that the one triggering
changes this is not a timeout. */
pw_log_debug("Do not send twice of %"PRIx64" %"PRIx64,
pw_log_debug("Do not send twice of %"PRIx64" %"PRIx64,
controller_id,
unsol_state[ctrler_index].ctrler_entity_id);
continue;
}
p->aecp.controller_guid =
p->aecp.controller_guid =
htobe64(unsol_state[ctrler_index].ctrler_entity_id);
p->aecp.sequence_id = htons(unsol_state[ctrler_index].next_seq_id);
@ -111,8 +111,8 @@ static void reply_unsol_notifications_prepare(struct aecp *aecp,
/* Here the value of 12 is the delta between the target_entity_id and
start of the AECP message specific data. */
ctrl_data_length = len - (sizeof(*h) + sizeof(*p)) +
AVB_PACKET_CONTROL_DATA_OFFSET;
ctrl_data_length = len - (sizeof(*h) + sizeof(*p))
+ AVB_PACKET_CONTROL_DATA_OFFSET;
h = (struct avb_ethernet_header*) packet;
p = SPA_PTROFF(h, sizeof(*h), void);
@ -137,6 +137,10 @@ int reply_unsolicited_notifications(struct aecp *aecp,
bool internal)
{
uint8_t buf[AECP_UNSOL_BUFFER_SIZE];
/* Make sure to get the actual original len if the packet
* re-adjusted to comply with the 60 bytes min packet size.
*/
size_t original_len = len;
if (len < AECP_AEM_MIN_PACKET_LENGTH) {
memset(buf, 0, AECP_AEM_MIN_PACKET_LENGTH);
@ -146,7 +150,7 @@ int reply_unsolicited_notifications(struct aecp *aecp,
}
/** Retrieve the entity descriptor */
reply_unsol_notifications_prepare(aecp, buf, packet, len);
reply_unsol_notifications_prepare(aecp, buf, packet, original_len);
return reply_unsol_send(aecp, b_state->controller_entity_id, packet, len,
internal);