This adds a new sysdata field to enable assigning a per-target unique id
to each message sent to that target. This id can later be appended as
part of sysdata, allowing targets to detect dropped netconsole messages.
Update count_extradata_entries() to take the new field into account.
Signed-off-by: Gustavo Luiz Duarte <gustavold@xxxxxxxxx>
---
drivers/net/netconsole.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 21077aff061c..787d170c3a0b 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -113,6 +113,8 @@ enum sysdata_feature {
SYSDATA_TASKNAME = BIT(1),
/* Kernel release/version as part of sysdata */
SYSDATA_RELEASE = BIT(2),
+ /* Include a per-target message ID as part of sysdata */
+ SYSDATA_MSGID = BIT(3),
};
/**
@@ -782,6 +784,8 @@ static size_t count_extradata_entries(struct netconsole_target *nt)
entries += 1;
if (nt->sysdata_fields & SYSDATA_RELEASE)
entries += 1;
+ if (nt->sysdata_fields & SYSDATA_MSGID)
+ entries += 1;
return entries;
}
--
2.47.1
