[DCCP]: Introduce DCCP_SOCKOPT_PACKET_SIZE

So that applications can set dccp_sock->dccps_pkt_size, that in turn
is used in the CCID3 half connection init routines to set
ccid3hc[tr]x_s and use it in its rate calculations.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 9e3a1370b906..007c290f74d4 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -186,6 +186,9 @@ enum {
         DCCPF_MAX_CCID_SPECIFIC = 255,
 };
 
+/* DCCP socket options */
+#define DCCP_SOCKOPT_PACKET_SIZE        1
+
 #ifdef __KERNEL__
 
 #include <linux/in.h>
@@ -396,7 +399,7 @@ enum dccp_role {
  * @dccps_timestamp_echo - latest timestamp received on a TIMESTAMP option
  * @dccps_ext_header_len - network protocol overhead (IP/IPv6 options)
  * @dccps_pmtu_cookie - Last pmtu seen by socket
- * @dccps_avg_packet_size - FIXME: has to be set by the app thru some setsockopt or ioctl, CCID3 uses it
+ * @dccps_packet_size - Set thru setsockopt
  * @dccps_role - Role of this sock, one of %dccp_role
  * @dccps_ndp_count - number of Non Data Packets since last data packet
  * @dccps_hc_rx_ackpkts - receiver half connection acked packets
@@ -417,7 +420,7 @@ struct dccp_sock {
         unsigned long                   dccps_service;
         struct timeval                  dccps_timestamp_time;
         __u32                           dccps_timestamp_echo;
-        __u32                           dccps_avg_packet_size;
+        __u32                           dccps_packet_size;
         unsigned long                   dccps_ndp_count;
         __u16                           dccps_ext_header_len;
         __u32                           dccps_pmtu_cookie;