added watt32 headers and brought the DOS version up to parity with UNIX

[oftp] / libs / watt32 / net / if_packe.h

diff --git a/libs/watt32/net/if_packe.h b/libs/watt32/net/if_packe.h
new file mode 100644 (file)
index 0000000..d3d7f5e
--- /dev/null
+++ b/libs/watt32/net/if_packe.h
@@ -0,0 +1,108 @@
+/*!\file net/if_packe.h
+ *
+ * Linux compatability header.
+ */
+#ifndef __LINUX_IF_PACKET_H
+#define __LINUX_IF_PACKET_H
+
+struct sockaddr_pkt
+{
+    unsigned short spkt_family;
+    unsigned char  spkt_device[14];
+    unsigned short spkt_protocol;
+};
+
+struct sockaddr_ll
+{
+    unsigned short   sll_family;
+    unsigned short   sll_protocol;
+    int              sll_ifindex;
+    unsigned short   sll_hatype;
+    unsigned char    sll_pkttype;
+    unsigned char    sll_halen;
+    unsigned char    sll_addr[8];
+};
+
+/* Packet types */
+
+#define PACKET_HOST         0        /* To us */
+#define PACKET_BROADCAST    1        /* To all */
+#define PACKET_MULTICAST    2        /* To group */
+#define PACKET_OTHERHOST    3        /* To someone else */
+#define PACKET_OUTGOING     4        /* Outgoing of any type */
+
+/* These ones are invisible by user level */
+#define PACKET_LOOPBACK     5        /* MC/BRD frame looped back */
+#define PACKET_FASTROUTE    6        /* Fastrouted frame */
+
+/* Packet socket options */
+
+#define PACKET_ADD_MEMBERSHIP   1
+#define PACKET_DROP_MEMBERSHIP  2
+#define PACKET_RECV_OUTPUT      3
+
+/* Value 4 is still used by obsolete turbo-packet. */
+#define PACKET_RX_RING          5
+#define PACKET_STATISTICS       6
+#define PACKET_COPY_THRESH      7
+
+struct tpacket_stats
+{
+    unsigned int    tp_packets;
+    unsigned int    tp_drops;
+};
+
+struct tpacket_hdr
+{
+    unsigned long    tp_status;
+#define TP_STATUS_KERNEL        0
+#define TP_STATUS_USER          1
+#define TP_STATUS_COPY          2
+#define TP_STATUS_LOSING        4
+#define TP_STATUS_CSUMNOTREADY  8
+    unsigned int    tp_len;
+    unsigned int    tp_snaplen;
+    unsigned short  tp_mac;
+    unsigned short  tp_net;
+    unsigned int    tp_sec;
+    unsigned int    tp_usec;
+};
+
+#define TPACKET_ALIGNMENT  16
+#define TPACKET_ALIGN(x)  (((x)+TPACKET_ALIGNMENT-1) & ~(TPACKET_ALIGNMENT-1))
+#define TPACKET_HDRLEN    (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll))
+
+/*
+   Frame structure:
+
+   - Start. Frame must be aligned to TPACKET_ALIGNMENT=16
+   - struct tpacket_hdr
+   - pad to TPACKET_ALIGNMENT=16
+   - struct sockaddr_ll
+   - Gap, chosen so that packet data (Start+tp_net) alignes to TPACKET_ALIGNMENT=16
+   - Start+tp_mac: [ Optional MAC header ]
+   - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16.
+   - Pad to align to TPACKET_ALIGNMENT=16
+ */
+
+struct tpacket_req
+{
+    unsigned int    tp_block_size;  /* Minimal size of contiguous block */
+    unsigned int    tp_block_nr;    /* Number of blocks */
+    unsigned int    tp_frame_size;  /* Size of frame */
+    unsigned int    tp_frame_nr;    /* Total number of frames */
+};
+
+struct packet_mreq
+{
+    int             mr_ifindex;
+    unsigned short  mr_type;
+    unsigned short  mr_alen;
+    unsigned char   mr_address[8];
+};
+
+#define PACKET_MR_MULTICAST  0
+#define PACKET_MR_PROMISC    1
+#define PACKET_MR_ALLMULTI   2
+
+#endif