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-rw-r--r--include/linux/dccp.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index eed52bcd35d0..010e2d87ed75 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -197,6 +197,21 @@ enum dccp_feature_numbers {
DCCPF_MAX_CCID_SPECIFIC = 255,
};
+/* DCCP socket control message types for cmsg */
+enum dccp_cmsg_type {
+ DCCP_SCM_PRIORITY = 1,
+ DCCP_SCM_QPOLICY_MAX = 0xFFFF,
+ /* ^-- Up to here reserved exclusively for qpolicy parameters */
+ DCCP_SCM_MAX
+};
+
+/* DCCP priorities for outgoing/queued packets */
+enum dccp_packet_dequeueing_policy {
+ DCCPQ_POLICY_SIMPLE,
+ DCCPQ_POLICY_PRIO,
+ DCCPQ_POLICY_MAX
+};
+
/* DCCP socket options */
#define DCCP_SOCKOPT_PACKET_SIZE 1 /* XXX deprecated, without effect */
#define DCCP_SOCKOPT_SERVICE 2
@@ -210,6 +225,8 @@ enum dccp_feature_numbers {
#define DCCP_SOCKOPT_CCID 13
#define DCCP_SOCKOPT_TX_CCID 14
#define DCCP_SOCKOPT_RX_CCID 15
+#define DCCP_SOCKOPT_QPOLICY_ID 16
+#define DCCP_SOCKOPT_QPOLICY_TXQLEN 17
#define DCCP_SOCKOPT_CCID_RX_INFO 128
#define DCCP_SOCKOPT_CCID_TX_INFO 192
@@ -458,6 +475,8 @@ struct dccp_ackvec;
* @dccps_hc_rx_ccid - CCID used for the receiver (or receiving half-connection)
* @dccps_hc_tx_ccid - CCID used for the sender (or sending half-connection)
* @dccps_options_received - parsed set of retrieved options
+ * @dccps_qpolicy - TX dequeueing policy, one of %dccp_packet_dequeueing_policy
+ * @dccps_tx_qlen - maximum length of the TX queue
* @dccps_role - role of this sock, one of %dccp_role
* @dccps_hc_rx_insert_options - receiver wants to add options when acking
* @dccps_hc_tx_insert_options - sender wants to add options when sending
@@ -500,6 +519,8 @@ struct dccp_sock {
struct ccid *dccps_hc_rx_ccid;
struct ccid *dccps_hc_tx_ccid;
struct dccp_options_received dccps_options_received;
+ __u8 dccps_qpolicy;
+ __u32 dccps_tx_qlen;
enum dccp_role dccps_role:2;
__u8 dccps_hc_rx_insert_options:1;
__u8 dccps_hc_tx_insert_options:1;