move wlcompat to the broadcom-wl package

[openwrt-10.03/.git] / package / broadcom-wl / src / driver / bcmip.h

diff --git a/package/broadcom-wl/src/driver/bcmip.h b/package/broadcom-wl/src/driver/bcmip.h
new file mode 100644 (file)
index 0000000..423a0e5
--- /dev/null
+++ b/package/broadcom-wl/src/driver/bcmip.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2006, Broadcom Corporation
+ * All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * Fundamental constants relating to IP Protocol
+ *
+ * $Id: bcmip.h,v 1.1.1.3 2006/02/27 03:43:16 honor Exp $
+ */
+
+#ifndef _bcmip_h_
+#define _bcmip_h_
+
+/* IPV4 and IPV6 common */
+#define IP_VER_OFFSET          0x0     /* offset to version field */
+#define IP_VER_MASK            0xf0    /* version mask */
+#define IP_VER_SHIFT           4       /* version shift */
+#define IP_VER_4               4       /* version number for IPV4 */
+#define IP_VER_6               6       /* version number for IPV6 */
+
+#define IP_VER(ip_body) \
+       ((((uint8 *)(ip_body))[IP_VER_OFFSET] & IP_VER_MASK) >> IP_VER_SHIFT)
+
+#define IP_PROT_ICMP           0x1     /* ICMP protocol */
+#define IP_PROT_TCP            0x6     /* TCP protocol */
+#define IP_PROT_UDP            0x11    /* UDP protocol type */
+
+/* IPV4 field offsets */
+#define IPV4_VER_HL_OFFSET     0       /* version and ihl byte offset */
+#define IPV4_TOS_OFFSET                1       /* type of service offset */
+#define IPV4_PROT_OFFSET       9       /* protocol type offset */
+#define IPV4_CHKSUM_OFFSET     10      /* IP header checksum offset */
+#define IPV4_SRC_IP_OFFSET     12      /* src IP addr offset */
+#define IPV4_DEST_IP_OFFSET    16      /* dest IP addr offset */
+
+/* IPV4 field decodes */
+#define IPV4_VER_MASK          0xf0    /* IPV4 version mask */
+#define IPV4_VER_SHIFT         4       /* IPV4 version shift */
+
+#define IPV4_HLEN_MASK         0x0f    /* IPV4 header length mask */
+#define IPV4_HLEN(ipv4_body)   (4 * (((uint8 *)(ipv4_body))[IPV4_VER_HL_OFFSET] & IPV4_HLEN_MASK))
+
+#define IPV4_ADDR_LEN          4       /* IPV4 address length */
+
+#define IPV4_ADDR_NULL(a)      ((((uint8 *)(a))[0] | ((uint8 *)(a))[1] | \
+                                 ((uint8 *)(a))[2] | ((uint8 *)(a))[3]) == 0)
+
+#define        IPV4_TOS_DSCP_MASK      0xfc    /* DiffServ codepoint mask */
+#define        IPV4_TOS_DSCP_SHIFT     2       /* DiffServ codepoint shift */
+
+#define        IPV4_TOS(ipv4_body)     (((uint8 *)(ipv4_body))[IPV4_TOS_OFFSET])
+
+#define        IPV4_TOS_PREC_MASK      0xe0    /* Historical precedence mask */
+#define        IPV4_TOS_PREC_SHIFT     5       /* Historical precedence shift */
+
+#define IPV4_TOS_LOWDELAY      0x10    /* Lowest delay requested */
+#define IPV4_TOS_THROUGHPUT    0x8     /* Best throughput requested */
+#define IPV4_TOS_RELIABILITY   0x4     /* Most reliable delivery requested */
+
+#define IPV4_PROT(ipv4_body)   (((uint8 *)(ipv4_body))[IPV4_PROT_OFFSET])
+
+#define IPV4_ADDR_STR_LEN      16      /* Max IP address length in string format */
+
+/* IPV6 field offsets */
+#define IPV6_PAYLOAD_LEN_OFFSET        4       /* payload length offset */
+#define IPV6_NEXT_HDR_OFFSET   6       /* next header/protocol offset */
+#define IPV6_HOP_LIMIT_OFFSET  7       /* hop limit offset */
+#define IPV6_SRC_IP_OFFSET     8       /* src IP addr offset */
+#define IPV6_DEST_IP_OFFSET    24      /* dst IP addr offset */
+
+/* IPV6 field decodes */
+#define IPV6_TRAFFIC_CLASS(ipv6_body) \
+       (((((uint8 *)(ipv6_body))[0] & 0x0f) << 4) | \
+        ((((uint8 *)(ipv6_body))[1] & 0xf0) >> 4))
+
+#define IPV6_FLOW_LABEL(ipv6_body) \
+       (((((uint8 *)(ipv6_body))[1] & 0x0f) << 16) | \
+        (((uint8 *)(ipv6_body))[2] << 8) | \
+        (((uint8 *)(ipv6_body))[3]))
+
+#define IPV6_PAYLOAD_LEN(ipv6_body) \
+       ((((uint8 *)(ipv6_body))[IPV6_PAYLOAD_LEN_OFFSET + 0] << 8) | \
+        ((uint8 *)(ipv6_body))[IPV6_PAYLOAD_LEN_OFFSET + 1])
+
+#define IPV6_NEXT_HDR(ipv6_body) \
+       (((uint8 *)(ipv6_body))[IPV6_NEXT_HDR_OFFSET])
+
+#define IPV6_PROT(ipv6_body)   IPV6_NEXT_HDR(ipv6_body)
+
+#define IPV6_ADDR_LEN          16      /* IPV6 address length */
+
+/* IPV4 TOS or IPV6 Traffic Classifier or 0 */
+#define IP_TOS(ip_body) \
+       (IP_VER(ip_body) == IP_VER_4 ? IPV4_TOS(ip_body) : \
+        IP_VER(ip_body) == IP_VER_6 ? IPV6_TRAFFIC_CLASS(ip_body) : 0)
+
+#endif /* _bcmip_h_ */