Implement ringbuffers.

[utcp] / utcp_priv.h

diff --git a/utcp_priv.h b/utcp_priv.h
index 5ed0344a45fce589963253eafe5ec11bbcdfc937..7d2d07396c7c6b097d39ea39bd23dfca98f43be1 100644 (file)
--- a/utcp_priv.h
+++ b/utcp_priv.h
@@ -89,6 +89,7 @@ static const char *strstate[] __attribute__((unused)) = {
 
 struct buffer {
        char *data;
+       uint32_t offset;
        uint32_t used;
        uint32_t size;
        uint32_t maxsize;
@@ -169,9 +170,14 @@ struct utcp {
        utcp_pre_accept_t pre_accept;
        utcp_send_t send;
 
+       // Packet buffer
+
+       void *pkt;
+
        // Global socket options
 
-       uint16_t mtu;
+       uint16_t mtu; // The maximum size of a UTCP packet, including headers.
+       uint16_t mss; // The maximum size of the payload of a UTCP packet.
        int timeout; // sec
 
        // RTT variables