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-rw-r--r--include/linux/net_tstamp.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/net_tstamp.h b/include/linux/net_tstamp.h
index a3b8546354a..ae5df122e42 100644
--- a/include/linux/net_tstamp.h
+++ b/include/linux/net_tstamp.h
@@ -45,7 +45,7 @@ struct hwtstamp_config {
};
/* possible values for hwtstamp_config->tx_type */
-enum {
+enum hwtstamp_tx_types {
/*
* No outgoing packet will need hardware time stamping;
* should a packet arrive which asks for it, no hardware
@@ -60,10 +60,19 @@ enum {
* before sending the packet.
*/
HWTSTAMP_TX_ON,
+
+ /*
+ * Enables time stamping for outgoing packets just as
+ * HWTSTAMP_TX_ON does, but also enables time stamp insertion
+ * directly into Sync packets. In this case, transmitted Sync
+ * packets will not received a time stamp via the socket error
+ * queue.
+ */
+ HWTSTAMP_TX_ONESTEP_SYNC,
};
/* possible values for hwtstamp_config->rx_filter */
-enum {
+enum hwtstamp_rx_filters {
/* time stamp no incoming packet at all */
HWTSTAMP_FILTER_NONE,