From 66fa9eb830939b33a268b24573f9fdf59850dac5 Mon Sep 17 00:00:00 2001 From: patacongo Date: Fri, 16 Nov 2007 18:48:39 +0000 Subject: Basic server functionality: listen(), accept() git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@382 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/include/net/uip/uip.h | 149 ++++++++++++++++++++++---------------------- 1 file changed, 75 insertions(+), 74 deletions(-) (limited to 'nuttx/include/net') diff --git a/nuttx/include/net/uip/uip.h b/nuttx/include/net/uip/uip.h index facac0bcf..46e6907e4 100644 --- a/nuttx/include/net/uip/uip.h +++ b/nuttx/include/net/uip/uip.h @@ -65,27 +65,27 @@ #define UIP_ACKDATA (1 << 0) /* Signifies that the outstanding data was acked and the * application should send out new data instead of retransmitting - * the last data. */ -#define UIP_NEWDATA (1 << 1) /* Flags the fact that the peer has sent us new data. */ + * the last data */ +#define UIP_NEWDATA (1 << 1) /* Flags the fact that the peer has sent us new data */ #define UIP_REXMIT (1 << 2) /* Tells the application to retransmit the data that was last - * sent. */ + * sent */ #define UIP_POLL (1 << 3) /* Used for polling the application, to check if the application - * has data that it wants to send. */ + * has data that it wants to send */ #define UIP_CLOSE (1 << 4) /* The remote host has closed the connection, thus the connection * has gone away. Or the application signals that it wants to - * close the connection. */ + * close the connection */ #define UIP_ABORT (1 << 5) /* The remote host has aborted the connection, thus the connection * has gone away. Or the application signals that it wants to - * abort the connection. */ + * abort the connection */ #define UIP_CONNECTED (1 << 6) /* We have got a connection from a remote host and have set up a * new connection for it, or an active connection has been - * successfully established. */ -#define UIP_TIMEDOUT (1 << 7) /* The connection has been aborted due to too many retransmissions. */ + * successfully established */ +#define UIP_TIMEDOUT (1 << 7) /* The connection has been aborted due to too many retransmissions */ #define UIP_DATA_EVENTS (UIP_ACKDATA|UIP_NEWDATA|UIP_REXMIT|UIP_POLL) #define UIP_CONN_EVENTS (UIP_CLOSE|UIP_ABORT|UIP_CONNECTED|UIP_TIMEDOUT) -/* The TCP states used in the struct uip_conn tcpstateflags field. */ +/* The TCP states used in the struct uip_conn tcpstateflags field */ #define UIP_CLOSED 0 /* The connection is not in use and available */ #define UIP_ALLOCATED 1 /* The connection is allocated, but not yet initialized */ @@ -137,7 +137,7 @@ * Public Type Definitions ****************************************************************************/ -/* Repressentation of an IP address. */ +/* Repressentation of an IP address */ typedef in_addr_t uip_ip4addr_t; typedef uint16 uip_ip6addr_t[8]; @@ -161,26 +161,27 @@ struct uip_driver_s; /* Forward reference */ struct uip_conn { dq_entry_t node; /* Implements a doubly linked list */ - uip_ipaddr_t ripaddr; /* The IP address of the remote host. */ - uint16 lport; /* The local TCP port, in network byte order. */ - uint16 rport; /* The local remote TCP port, in network byte order. */ + uip_ipaddr_t lipaddr; /* The local IP address */ + uip_ipaddr_t ripaddr; /* The IP address of the remote host */ + uint16 lport; /* The local TCP port, in network byte order */ + uint16 rport; /* The remoteTCP port, in network byte order */ uint8 rcv_nxt[4]; /* The sequence number that we expect to - * receive next. */ - uint8 snd_nxt[4]; /* The sequence number that was last sent by us. */ - uint16 len; /* Length of the data that was previously sent. */ + * receive next */ + uint8 snd_nxt[4]; /* The sequence number that was last sent by us */ + uint16 len; /* Length of the data that was previously sent */ uint16 mss; /* Current maximum segment size for the - * connection. */ + * connection */ uint16 initialmss; /* Initial maximum segment size for the - * connection. */ + * connection */ uint8 sa; /* Retransmission time-out calculation state - * variable. */ + * variable */ uint8 sv; /* Retransmission time-out calculation state - * variable. */ - uint8 rto; /* Retransmission time-out. */ - uint8 tcpstateflags; /* TCP state and flags. */ - uint8 timer; /* The retransmission timer (units: half-seconds). */ + * variable */ + uint8 rto; /* Retransmission time-out */ + uint8 tcpstateflags; /* TCP state and flags */ + uint8 timer; /* The retransmission timer (units: half-seconds) */ uint8 nrtx; /* The number of retransmissions for the last - * segment sent. */ + * segment sent */ /* Higher level logic can retain application specific information * in the following: @@ -212,15 +213,15 @@ struct uip_conn }; #ifdef CONFIG_NET_UDP -/* Representation of a uIP UDP connection. */ +/* Representation of a uIP UDP connection */ struct uip_udp_conn { dq_entry_t node; /* Implements a doubly linked list */ - uip_ipaddr_t ripaddr; /* The IP address of the remote peer. */ - uint16 lport; /* The local port number in network byte order. */ - uint16 rport; /* The remote port number in network byte order. */ - uint8 ttl; /* Default time-to-live. */ + uip_ipaddr_t ripaddr; /* The IP address of the remote peer */ + uint16 lport; /* The local port number in network byte order */ + uint16 rport; /* The remote port number in network byte order */ + uint8 ttl; /* Default time-to-live */ /* Defines the UDP callback */ @@ -237,63 +238,63 @@ struct uip_stats { struct { - uip_stats_t drop; /* Number of dropped packets at the IP layer. */ - uip_stats_t recv; /* Number of received packets at the IP layer. */ - uip_stats_t sent; /* Number of sent packets at the IP layer. */ + uip_stats_t drop; /* Number of dropped packets at the IP layer */ + uip_stats_t recv; /* Number of received packets at the IP layer */ + uip_stats_t sent; /* Number of sent packets at the IP layer */ uip_stats_t vhlerr; /* Number of packets dropped due to wrong - IP version or header length. */ + IP version or header length */ uip_stats_t hblenerr; /* Number of packets dropped due to wrong - IP length, high byte. */ + IP length, high byte */ uip_stats_t lblenerr; /* Number of packets dropped due to wrong - IP length, low byte. */ + IP length, low byte */ uip_stats_t fragerr; /* Number of packets dropped since they - were IP fragments. */ + were IP fragments */ uip_stats_t chkerr; /* Number of packets dropped due to IP - checksum errors. */ + checksum errors */ uip_stats_t protoerr; /* Number of packets dropped since they - were neither ICMP, UDP nor TCP. */ - } ip; /* IP statistics. */ + were neither ICMP, UDP nor TCP */ + } ip; /* IP statistics */ struct { - uip_stats_t drop; /* Number of dropped ICMP packets. */ - uip_stats_t recv; /* Number of received ICMP packets. */ - uip_stats_t sent; /* Number of sent ICMP packets. */ - uip_stats_t typeerr; /* Number of ICMP packets with a wrong type. */ - } icmp; /* ICMP statistics. */ + uip_stats_t drop; /* Number of dropped ICMP packets */ + uip_stats_t recv; /* Number of received ICMP packets */ + uip_stats_t sent; /* Number of sent ICMP packets */ + uip_stats_t typeerr; /* Number of ICMP packets with a wrong type */ + } icmp; /* ICMP statistics */ struct { - uip_stats_t drop; /* Number of dropped TCP segments. */ - uip_stats_t recv; /* Number of received TCP segments. */ - uip_stats_t sent; /* Number of sent TCP segments. */ - uip_stats_t chkerr; /* Number of TCP segments with a bad checksum. */ - uip_stats_t ackerr; /* Number of TCP segments with a bad ACK number. */ - uip_stats_t rst; /* Number of recevied TCP RST (reset) segments. */ - uip_stats_t rexmit; /* Number of retransmitted TCP segments. */ + uip_stats_t drop; /* Number of dropped TCP segments */ + uip_stats_t recv; /* Number of received TCP segments */ + uip_stats_t sent; /* Number of sent TCP segments */ + uip_stats_t chkerr; /* Number of TCP segments with a bad checksum */ + uip_stats_t ackerr; /* Number of TCP segments with a bad ACK number */ + uip_stats_t rst; /* Number of recevied TCP RST (reset) segments */ + uip_stats_t rexmit; /* Number of retransmitted TCP segments */ uip_stats_t syndrop; /* Number of dropped SYNs due to too few - available connections. */ - uip_stats_t synrst; /* Number of SYNs for closed ports triggering a RST. */ - } tcp; /* TCP statistics. */ + available connections */ + uip_stats_t synrst; /* Number of SYNs for closed ports triggering a RST */ + } tcp; /* TCP statistics */ #ifdef CONFIG_NET_UDP struct { - uip_stats_t drop; /* Number of dropped UDP segments. */ - uip_stats_t recv; /* Number of recived UDP segments. */ - uip_stats_t sent; /* Number of sent UDP segments. */ - uip_stats_t chkerr; /* Number of UDP segments with a bad checksum. */ - } udp; /* UDP statistics. */ + uip_stats_t drop; /* Number of dropped UDP segments */ + uip_stats_t recv; /* Number of recived UDP segments */ + uip_stats_t sent; /* Number of sent UDP segments */ + uip_stats_t chkerr; /* Number of UDP segments with a bad checksum */ + } udp; /* UDP statistics */ #endif /* CONFIG_NET_UDP */ }; -/* The TCP and IP headers. */ +/* The TCP and IP headers */ struct uip_tcpip_hdr { #ifdef CONFIG_NET_IPv6 - /* IPv6 Ip header. */ + /* IPv6 Ip header */ uint8 vtc; /* Bits 0-3: version, bits 4-7: traffic class (MS) */ uint8 tcf; /* Bits 0-3: traffic class (LS), 4-bits: flow label (MS) */ @@ -306,7 +307,7 @@ struct uip_tcpip_hdr #else /* CONFIG_NET_IPv6 */ - /* IPv4 IP header. */ + /* IPv4 IP header */ uint8 vhl; /* 8-bit Version (4) and header length (5 or 6) */ uint8 tos; /* 8-bit Type of service (e.g., 6=TCP) */ @@ -321,7 +322,7 @@ struct uip_tcpip_hdr #endif /* CONFIG_NET_IPv6 */ - /* TCP header. */ + /* TCP header */ uint16 srcport; uint16 destport; @@ -335,13 +336,13 @@ struct uip_tcpip_hdr uint8 optdata[4]; }; -/* The ICMP and IP headers. */ +/* The ICMP and IP headers */ struct uip_icmpip_hdr { #ifdef CONFIG_NET_IPv6 - /* IPv6 Ip header. */ + /* IPv6 Ip header */ uint8 vtc; /* Bits 0-3: version, bits 4-7: traffic class (MS) */ uint8 tcf; /* Bits 0-3: traffic class (LS), bits 4-7: flow label (MS) */ @@ -354,7 +355,7 @@ struct uip_icmpip_hdr #else /* CONFIG_NET_IPv6 */ - /* IPv4 IP header. */ + /* IPv4 IP header */ uint8 vhl; /* 8-bit Version (4) and header length (5 or 6) */ uint8 tos; /* 8-bit Type of service (e.g., 6=TCP) */ @@ -369,7 +370,7 @@ struct uip_icmpip_hdr #endif /* CONFIG_NET_IPv6 */ - /* ICMP (echo) header. */ + /* ICMP (echo) header */ uint8 type; uint8 icode; @@ -392,13 +393,13 @@ struct uip_icmpip_hdr #endif /* !CONFIG_NET_IPv6 */ }; -/* The UDP and IP headers. */ +/* The UDP and IP headers */ struct uip_udpip_hdr { #ifdef CONFIG_NET_IPv6 - /* IPv6 Ip header. */ + /* IPv6 Ip header */ uint8 vtc; /* Bits 0-3: version, bits 4-7: traffic class (MS) */ uint8 tcf; /* Bits 0-3: traffic class (LS), 4-bits: flow label (MS) */ @@ -411,7 +412,7 @@ struct uip_udpip_hdr #else /* CONFIG_NET_IPv6 */ - /* IPv4 header. */ + /* IPv4 header */ uint8 vhl; /* 8-bit Version (4) and header length (5 or 6) */ uint8 tos; /* 8-bit Type of service (e.g., 6=TCP) */ @@ -426,7 +427,7 @@ struct uip_udpip_hdr #endif /* CONFIG_NET_IPv6 */ - /* UDP header. */ + /* UDP header */ uint16 srcport; uint16 destport; @@ -434,7 +435,7 @@ struct uip_udpip_hdr uint16 udpchksum; }; -/* Representation of a 48-bit Ethernet address. */ +/* Representation of a 48-bit Ethernet address */ struct uip_eth_addr { @@ -465,7 +466,7 @@ extern void *uip_urgdata; extern uint16 uip_urglen; /* Length of (received) urgent data */ #endif /* UIP_URGDATA > 0 */ -/* The current UDP connection. */ +/* The current UDP connection */ #ifdef CONFIG_NET_UDP extern struct uip_udp_conn *uip_udp_conn; @@ -570,7 +571,7 @@ int uip_listen(uint16 port); int uip_unlisten(uint16 port); -/* Check if a connection has outstanding (i.e., unacknowledged) data. */ +/* Check if a connection has outstanding (i.e., unacknowledged) data */ #define uip_outstanding(conn) ((conn)->len) -- cgit v1.2.3