diff options
Diffstat (limited to 'nuttx/include/net/uip/uip.h')
| -rw-r--r-- | nuttx/include/net/uip/uip.h | 190 |
1 files changed, 93 insertions, 97 deletions
diff --git a/nuttx/include/net/uip/uip.h b/nuttx/include/net/uip/uip.h index 283891edb..ed8d85bed 100644 --- a/nuttx/include/net/uip/uip.h +++ b/nuttx/include/net/uip/uip.h @@ -222,55 +222,54 @@ 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 vhlerr; /* Number of packets dropped due to wrong - IP version or header length. */ - uip_stats_t hblenerr; /* Number of packets dropped due to wrong - IP length, high byte. */ - uip_stats_t lblenerr; /* Number of packets dropped due to wrong - IP length, low byte. */ - uip_stats_t fragerr; /* Number of packets dropped since they - were IP fragments. */ - uip_stats_t chkerr; /* Number of packets dropped due to IP - checksum errors. */ - uip_stats_t protoerr; /* Number of packets dropped since they - were neither ICMP, UDP nor TCP. */ - } ip; /* IP statistics. */ + 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. */ + uip_stats_t hblenerr; /* Number of packets dropped due to wrong + IP length, high byte. */ + uip_stats_t lblenerr; /* Number of packets dropped due to wrong + IP length, low byte. */ + uip_stats_t fragerr; /* Number of packets dropped since they + were IP fragments. */ + uip_stats_t chkerr; /* Number of packets dropped due to IP + checksum errors. */ + uip_stats_t protoerr; /* Number of packets dropped since they + 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 recived 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 - connections was avaliable. */ - uip_stats_t synrst; /* Number of SYNs for closed ports, - triggering a RST. */ - } tcp; /* TCP statistics. */ + uip_stats_t drop; /* Number of dropped TCP segments. */ + uip_stats_t recv; /* Number of recived 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 + connections was avaliable. */ + 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 */ }; @@ -282,28 +281,29 @@ struct uip_tcpip_hdr /* IPv6 Ip header. */ - uint8 vtc; - uint8 tcflow; - uint16 flow; - uint8 len[2]; - uint8 proto, ttl; - uip_ip6addr_t srcipaddr; - uip_ip6addr_t destipaddr; + 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) */ + uint16 flow; /* 16-bit flow label (LS) */ + uint8 len[2]; /* 16-bit Payload length */ + uint8 proto; /* 8-bit Next header (same as IPv4 protocol field) */ + uint8 ttl; /* 8-bit Hop limit (like IPv4 TTL field) */ + uip_ip6addr_t srcipaddr; /* 128-bit Source address */ + uip_ip6addr_t destipaddr; /* 128-bit Destination address */ #else /* CONFIG_NET_IPv6 */ /* 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) */ - uint8 len[2]; /* 16-bit Total length */ - uint8 ipid[2]; /* 16-bit Identification */ - uint8 ipoffset[2]; /* 16-bit IP flags + fragment offset */ - uint8 ttl; /* 8-bit Time to Live */ - uint8 proto; /* 8-bit Protocol */ - uint16 ipchksum; /* 16-bit Header checksum */ - uint16 srcipaddr[2]; /* 32-bit Source IP address */ - uint16 destipaddr[2]; /* 32-bit Destination IP address */ + uint8 vhl; /* 8-bit Version (4) and header length (5 or 6) */ + uint8 tos; /* 8-bit Type of service (e.g., 6=TCP) */ + uint8 len[2]; /* 16-bit Total length */ + uint8 ipid[2]; /* 16-bit Identification */ + uint8 ipoffset[2]; /* 16-bit IP flags + fragment offset */ + uint8 ttl; /* 8-bit Time to Live */ + uint8 proto; /* 8-bit Protocol */ + uint16 ipchksum; /* 16-bit Header checksum */ + uint16 srcipaddr[2]; /* 32-bit Source IP address */ + uint16 destipaddr[2]; /* 32-bit Destination IP address */ #endif /* CONFIG_NET_IPv6 */ @@ -327,31 +327,31 @@ struct uip_icmpip_hdr { #ifdef CONFIG_NET_IPv6 - /* IPv6 IP header. */ + /* IPv6 Ip header. */ - uint8 vtc; - uint8 tcf; - uint16 flow; - uint8 len[2]; - uint8 proto; - uint8 ttl; - uip_ip6addr_t srcipaddr; - uip_ip6addr_t destipaddr; + 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) */ + uint16 flow; /* 16-bit flow label (LS) */ + uint8 len[2]; /* 16-bit Payload length */ + uint8 proto; /* 8-bit Next header (same as IPv4 protocol field) */ + uint8 ttl; /* 8-bit Hop limit (like IPv4 TTL field) */ + uip_ip6addr_t srcipaddr; /* 128-bit Source address */ + uip_ip6addr_t destipaddr; /* 128-bit Destination address */ #else /* CONFIG_NET_IPv6 */ /* 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) */ - uint8 len[2]; /* 16-bit Total length */ - uint8 ipid[2]; /* 16-bit Identification */ - uint8 ipoffset[2]; /* 16-bit IP flags + fragment offset */ - uint8 ttl; /* 8-bit Time to Live */ - uint8 proto; /* 8-bit Protocol */ - uint16 ipchksum; /* 16-bit Header checksum */ - uint16 srcipaddr[2]; /* 32-bit Source IP address */ - uint16 destipaddr[2]; /* 32-bit Destination IP address */ + uint8 vhl; /* 8-bit Version (4) and header length (5 or 6) */ + uint8 tos; /* 8-bit Type of service (e.g., 6=TCP) */ + uint8 len[2]; /* 16-bit Total length */ + uint8 ipid[2]; /* 16-bit Identification */ + uint8 ipoffset[2]; /* 16-bit IP flags + fragment offset */ + uint8 ttl; /* 8-bit Time to Live */ + uint8 proto; /* 8-bit Protocol */ + uint16 ipchksum; /* 16-bit Header checksum */ + uint16 srcipaddr[2]; /* 32-bit Source IP address */ + uint16 destipaddr[2]; /* 32-bit Destination IP address */ #endif /* CONFIG_NET_IPv6 */ @@ -384,31 +384,31 @@ struct uip_udpip_hdr { #ifdef CONFIG_NET_IPv6 - /* IPv6 IP header. */ + /* IPv6 Ip header. */ - uint8 vtc; - uint8 tcf; - uint16 flow; - uint8 len[2]; - uint8 proto; - uint8 ttl; - uip_ip6addr_t srcipaddr; - uip_ip6addr_t destipaddr; + 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) */ + uint16 flow; /* 16-bit flow label (LS) */ + uint8 len[2]; /* 16-bit Payload length */ + uint8 proto; /* 8-bit Next header (same as IPv4 protocol field) */ + uint8 ttl; /* 8-bit Hop limit (like IPv4 TTL field) */ + uip_ip6addr_t srcipaddr; /* 128-bit Source address */ + uip_ip6addr_t destipaddr; /* 128-bit Destination address */ #else /* CONFIG_NET_IPv6 */ /* 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) */ - uint8 len[2]; /* 16-bit Total length */ - uint8 ipid[2]; /* 16-bit Identification */ - uint8 ipoffset[2]; /* 16-bit IP flags + fragment offset */ - uint8 ttl; /* 8-bit Time to Live */ - uint8 proto; /* 8-bit Protocol */ - uint16 ipchksum; /* 16-bit Header checksum */ - uint16 srcipaddr[2]; /* 32-bit Source IP address */ - uint16 destipaddr[2]; /* 32-bit Destination IP address */ + uint8 vhl; /* 8-bit Version (4) and header length (5 or 6) */ + uint8 tos; /* 8-bit Type of service (e.g., 6=TCP) */ + uint8 len[2]; /* 16-bit Total length */ + uint8 ipid[2]; /* 16-bit Identification */ + uint8 ipoffset[2]; /* 16-bit IP flags + fragment offset */ + uint8 ttl; /* 8-bit Time to Live */ + uint8 proto; /* 8-bit Protocol */ + uint16 ipchksum; /* 16-bit Header checksum */ + uint16 srcipaddr[2]; /* 32-bit Source IP address */ + uint16 destipaddr[2]; /* 32-bit Destination IP address */ #endif /* CONFIG_NET_IPv6 */ @@ -459,10 +459,6 @@ extern uint16 uip_urglen; /* Length of (received) urgent data */ extern struct uip_conn *uip_conn; -/* 4-byte array used for the 32-bit sequence number calculations.*/ - -extern uint8 uip_acc32[4]; - /* The current UDP connection. */ #ifdef CONFIG_NET_UDP |