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Merge pull request #548 from adamdunkels/push/sicslowpan-rime-cleanup

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Rename sicslowpan rime variable names
This commit is contained in:
Nicolas Tsiftes 2014-01-29 15:12:50 -08:00
parent 4e6bed24f9 47e4113845
commit 815287042b
1 changed files with 157 additions and 157 deletions
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314
core/net/ipv6/sicslowpan.c
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@ -79,7 +79,7 @@ uint8_t p;
#include <stdio.h>
#define PRINTFI(...) PRINTF(__VA_ARGS__)
#define PRINTFO(...) PRINTF(__VA_ARGS__)
#define PRINTPACKETBUF() PRINTF("RIME buffer: "); for(p = 0; p < packetbuf_datalen(); p++){PRINTF("%.2X", *(rime_ptr + p));} PRINTF("\n")
#define PRINTPACKETBUF() PRINTF("packetbuf buffer: "); for(p = 0; p < packetbuf_datalen(); p++){PRINTF("%.2X", *(packetbuf_ptr + p));} PRINTF("\n")
#define PRINTUIPBUF() PRINTF("UIP buffer: "); for(p = 0; p < uip_len; p++){PRINTF("%.2X", uip_buf[p]);}PRINTF("\n")
#define PRINTSICSLOWPANBUF() PRINTF("SICSLOWPAN buffer: "); for(p = 0; p < sicslowpan_len; p++){PRINTF("%.2X", sicslowpan_buf[p]);}PRINTF("\n")
#else
@ -118,29 +118,29 @@ void uip_log(char *msg);
(ptr)[index + 1] = (value) & 0xff; \
} while(0)
/** \name Pointers in the rime buffer
/** \name Pointers in the packetbuf buffer
* @{
*/
#define RIME_FRAG_PTR (rime_ptr)
#define RIME_FRAG_DISPATCH_SIZE 0 /* 16 bit */
#define RIME_FRAG_TAG 2 /* 16 bit */
#define RIME_FRAG_OFFSET 4 /* 8 bit */
#define PACKETBUF_FRAG_PTR (packetbuf_ptr)
#define PACKETBUF_FRAG_DISPATCH_SIZE 0 /* 16 bit */
#define PACKETBUF_FRAG_TAG 2 /* 16 bit */
#define PACKETBUF_FRAG_OFFSET 4 /* 8 bit */
/* define the buffer as a byte array */
#define RIME_IPHC_BUF ((uint8_t *)(rime_ptr + rime_hdr_len))
#define PACKETBUF_IPHC_BUF ((uint8_t *)(packetbuf_ptr + packetbuf_hdr_len))
#define RIME_HC1_PTR (rime_ptr + rime_hdr_len)
#define RIME_HC1_DISPATCH 0 /* 8 bit */
#define RIME_HC1_ENCODING 1 /* 8 bit */
#define RIME_HC1_TTL 2 /* 8 bit */
#define PACKETBUF_HC1_PTR (packetbuf_ptr + packetbuf_hdr_len)
#define PACKETBUF_HC1_DISPATCH 0 /* 8 bit */
#define PACKETBUF_HC1_ENCODING 1 /* 8 bit */
#define PACKETBUF_HC1_TTL 2 /* 8 bit */
#define RIME_HC1_HC_UDP_PTR (rime_ptr + rime_hdr_len)
#define RIME_HC1_HC_UDP_DISPATCH 0 /* 8 bit */
#define RIME_HC1_HC_UDP_HC1_ENCODING 1 /* 8 bit */
#define RIME_HC1_HC_UDP_UDP_ENCODING 2 /* 8 bit */
#define RIME_HC1_HC_UDP_TTL 3 /* 8 bit */
#define RIME_HC1_HC_UDP_PORTS 4 /* 8 bit */
#define RIME_HC1_HC_UDP_CHKSUM 5 /* 16 bit */
#define PACKETBUF_HC1_HC_UDP_PTR (packetbuf_ptr + packetbuf_hdr_len)
#define PACKETBUF_HC1_HC_UDP_DISPATCH 0 /* 8 bit */
#define PACKETBUF_HC1_HC_UDP_HC1_ENCODING 1 /* 8 bit */
#define PACKETBUF_HC1_HC_UDP_UDP_ENCODING 2 /* 8 bit */
#define PACKETBUF_HC1_HC_UDP_TTL 3 /* 8 bit */
#define PACKETBUF_HC1_HC_UDP_PORTS 4 /* 8 bit */
#define PACKETBUF_HC1_HC_UDP_CHKSUM 5 /* 16 bit */
/** \name Pointers in the sicslowpan and uip buffer
* @{
@ -181,26 +181,26 @@ extern struct sicslowpan_nh_compressor SICSLOWPAN_NH_COMPRESSOR;
#endif
/**
* A pointer to the rime buffer.
* We initialize it to the beginning of the rime buffer, then
* access different fields by updating the offset rime_hdr_len.
* A pointer to the packetbuf buffer.
* We initialize it to the beginning of the packetbuf buffer, then
* access different fields by updating the offset packetbuf_hdr_len.
*/
static uint8_t *rime_ptr;
static uint8_t *packetbuf_ptr;
/**
* rime_hdr_len is the total length of (the processed) 6lowpan headers
* packetbuf_hdr_len is the total length of (the processed) 6lowpan headers
* (fragment headers, IPV6 or HC1, HC2, and HC1 and HC2 non compressed
* fields).
*/
static uint8_t rime_hdr_len;
static uint8_t packetbuf_hdr_len;
/**
* The length of the payload in the Rime buffer.
* The length of the payload in the Packetbuf buffer.
* The payload is what comes after the compressed or uncompressed
* headers (can be the IP payload if the IP header only is compressed
* or the UDP payload if the UDP header is also compressed)
*/
static int rime_payload_len;
static int packetbuf_payload_len;
/**
* uncomp_hdr_len is the length of the headers before compression (if HC2
@ -484,11 +484,11 @@ uncompress_addr(uip_ipaddr_t *ipaddr, uint8_t const prefix[],
* \note The context number 00 is reserved for the link local prefix.
* For unicast addresses, if we cannot compress the prefix, we neither
* compress the IID.
* \param rime_destaddr L2 destination address, needed to compress IP
* \param link_destaddr L2 destination address, needed to compress IP
* dest
*/
static void
compress_hdr_hc06(linkaddr_t *rime_destaddr)
compress_hdr_hc06(linkaddr_t *link_destaddr)
{
uint8_t tmp, iphc0, iphc1;
#if DEBUG
@ -502,7 +502,7 @@ compress_hdr_hc06(linkaddr_t *rime_destaddr)
}
#endif
hc06_ptr = rime_ptr + 2;
hc06_ptr = packetbuf_ptr + 2;
/*
* As we copy some bit-length fields, in the IPHC encoding bytes,
* we sometimes use |=
@ -512,7 +512,7 @@ compress_hdr_hc06(linkaddr_t *rime_destaddr)
iphc0 = SICSLOWPAN_DISPATCH_IPHC;
iphc1 = 0;
RIME_IPHC_BUF[2] = 0; /* might not be used - but needs to be cleared */
PACKETBUF_IPHC_BUF[2] = 0; /* might not be used - but needs to be cleared */
/*
* Address handling needs to be made first since it might
@ -627,7 +627,7 @@ compress_hdr_hc06(linkaddr_t *rime_destaddr)
PRINTF("IPHC: compressing src with context - setting CID & SAC ctx: %d\n",
context->number);
iphc1 |= SICSLOWPAN_IPHC_CID | SICSLOWPAN_IPHC_SAC;
RIME_IPHC_BUF[2] |= context->number << 4;
PACKETBUF_IPHC_BUF[2] |= context->number << 4;
/* compession compare with this nodes address (source) */
iphc1 |= compress_addr_64(SICSLOWPAN_IPHC_SAM_BIT,
@ -678,18 +678,18 @@ compress_hdr_hc06(linkaddr_t *rime_destaddr)
if((context = addr_context_lookup_by_prefix(&UIP_IP_BUF->destipaddr)) != NULL) {
/* elide the prefix */
iphc1 |= SICSLOWPAN_IPHC_DAC;
RIME_IPHC_BUF[2] |= context->number;
PACKETBUF_IPHC_BUF[2] |= context->number;
/* compession compare with link adress (destination) */
iphc1 |= compress_addr_64(SICSLOWPAN_IPHC_DAM_BIT,
&UIP_IP_BUF->destipaddr, (uip_lladdr_t *)rime_destaddr);
&UIP_IP_BUF->destipaddr, (uip_lladdr_t *)link_destaddr);
/* No context found for this address */
} else if(uip_is_addr_link_local(&UIP_IP_BUF->destipaddr) &&
UIP_IP_BUF->destipaddr.u16[1] == 0 &&
UIP_IP_BUF->destipaddr.u16[2] == 0 &&
UIP_IP_BUF->destipaddr.u16[3] == 0) {
iphc1 |= compress_addr_64(SICSLOWPAN_IPHC_DAM_BIT,
&UIP_IP_BUF->destipaddr, (uip_lladdr_t *)rime_destaddr);
&UIP_IP_BUF->destipaddr, (uip_lladdr_t *)link_destaddr);
} else {
/* send the full address */
iphc1 |= SICSLOWPAN_IPHC_DAM_00; /* 128-bits */
@ -756,11 +756,11 @@ compress_hdr_hc06(linkaddr_t *rime_destaddr)
hc06_ptr += SICSLOWPAN_NH_COMPRESSOR.compress(hc06_ptr, &uncomp_hdr_len);
#endif
/* before the rime_hdr_len operation */
RIME_IPHC_BUF[0] = iphc0;
RIME_IPHC_BUF[1] = iphc1;
/* before the packetbuf_hdr_len operation */
PACKETBUF_IPHC_BUF[0] = iphc0;
PACKETBUF_IPHC_BUF[1] = iphc1;
rime_hdr_len = hc06_ptr - rime_ptr;
packetbuf_hdr_len = hc06_ptr - packetbuf_ptr;
return;
}
@ -771,9 +771,9 @@ compress_hdr_hc06(linkaddr_t *rime_destaddr)
*
* This function is called by the input function when the dispatch is
* HC06.
* We %process the packet in the rime buffer, uncompress the header
* We %process the packet in the packetbuf buffer, uncompress the header
* fields, and copy the result in the sicslowpan buffer.
* At the end of the decompression, rime_hdr_len and uncompressed_hdr_len
* At the end of the decompression, packetbuf_hdr_len and uncompressed_hdr_len
* are set to the appropriate values
*
* \param ip_len Equal to 0 if the packet is not a fragment (IP length
@ -785,10 +785,10 @@ uncompress_hdr_hc06(uint16_t ip_len)
{
uint8_t tmp, iphc0, iphc1;
/* at least two byte will be used for the encoding */
hc06_ptr = rime_ptr + rime_hdr_len + 2;
hc06_ptr = packetbuf_ptr + packetbuf_hdr_len + 2;
iphc0 = RIME_IPHC_BUF[0];
iphc1 = RIME_IPHC_BUF[1];
iphc0 = PACKETBUF_IPHC_BUF[0];
iphc1 = PACKETBUF_IPHC_BUF[1];
/* another if the CID flag is set */
if(iphc1 & SICSLOWPAN_IPHC_CID) {
@ -858,7 +858,7 @@ uncompress_hdr_hc06(uint16_t ip_len)
/* context based compression */
if(iphc1 & SICSLOWPAN_IPHC_SAC) {
uint8_t sci = (iphc1 & SICSLOWPAN_IPHC_CID) ?
RIME_IPHC_BUF[2] >> 4 : 0;
PACKETBUF_IPHC_BUF[2] >> 4 : 0;
/* Source address - check context != NULL only if SAM bits are != 0*/
if (tmp != 0) {
@ -907,7 +907,7 @@ uncompress_hdr_hc06(uint16_t ip_len)
/* Context based */
if(iphc1 & SICSLOWPAN_IPHC_DAC) {
uint8_t dci = (iphc1 & SICSLOWPAN_IPHC_CID) ?
RIME_IPHC_BUF[2] & 0x0f : 0;
PACKETBUF_IPHC_BUF[2] & 0x0f : 0;
context = addr_context_lookup_by_number(dci);
/* all valid cases below need the context! */
@ -997,11 +997,11 @@ uncompress_hdr_hc06(uint16_t ip_len)
#endif
}
rime_hdr_len = hc06_ptr - rime_ptr;
packetbuf_hdr_len = hc06_ptr - packetbuf_ptr;
/* IP length field. */
if(ip_len == 0) {
int len = packetbuf_datalen() - rime_hdr_len + uncomp_hdr_len - UIP_IPH_LEN;
int len = packetbuf_datalen() - packetbuf_hdr_len + uncomp_hdr_len - UIP_IPH_LEN;
/* This is not a fragmented packet */
SICSLOWPAN_IP_BUF->len[0] = len >> 8;
SICSLOWPAN_IP_BUF->len[1] = len & 0x00FF;
@ -1072,11 +1072,11 @@ uncompress_hdr_hc06(uint16_t ip_len)
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* \endverbatim
*
* \param rime_destaddr L2 destination address, needed to compress the
* \param link_destaddr L2 destination address, needed to compress the
* IP destination field
*/
static void
compress_hdr_hc1(linkaddr_t *rime_destaddr)
compress_hdr_hc1(linkaddr_t *link_destaddr)
{
/*
* Check if all the assumptions for full compression
@ -1089,7 +1089,7 @@ compress_hdr_hc1(linkaddr_t *rime_destaddr)
!uip_is_addr_mac_addr_based(&UIP_IP_BUF->srcipaddr, &uip_lladdr) ||
!uip_is_addr_link_local(&UIP_IP_BUF->destipaddr) ||
!uip_is_addr_mac_addr_based(&UIP_IP_BUF->destipaddr,
(uip_lladdr_t *)rime_destaddr) ||
(uip_lladdr_t *)link_destaddr) ||
(UIP_IP_BUF->proto != UIP_PROTO_ICMP6 &&
UIP_IP_BUF->proto != UIP_PROTO_UDP &&
UIP_IP_BUF->proto != UIP_PROTO_TCP))
@ -1097,12 +1097,12 @@ compress_hdr_hc1(linkaddr_t *rime_destaddr)
/*
* IPV6 DISPATCH
* Something cannot be compressed, use IPV6 DISPATCH,
* compress nothing, copy IPv6 header in rime buffer
* compress nothing, copy IPv6 header in packetbuf buffer
*/
*rime_ptr = SICSLOWPAN_DISPATCH_IPV6;
rime_hdr_len += SICSLOWPAN_IPV6_HDR_LEN;
memcpy(rime_ptr + rime_hdr_len, UIP_IP_BUF, UIP_IPH_LEN);
rime_hdr_len += UIP_IPH_LEN;
*packetbuf_ptr = SICSLOWPAN_DISPATCH_IPV6;
packetbuf_hdr_len += SICSLOWPAN_IPV6_HDR_LEN;
memcpy(packetbuf_ptr + packetbuf_hdr_len, UIP_IP_BUF, UIP_IPH_LEN);
packetbuf_hdr_len += UIP_IPH_LEN;
uncomp_hdr_len += UIP_IPH_LEN;
} else {
/*
@ -1111,21 +1111,21 @@ compress_hdr_hc1(linkaddr_t *rime_destaddr)
* All fields in the IP header but Hop Limit are elided
* If next header is UDP, we compress UDP header using HC2
*/
RIME_HC1_PTR[RIME_HC1_DISPATCH] = SICSLOWPAN_DISPATCH_HC1;
PACKETBUF_HC1_PTR[PACKETBUF_HC1_DISPATCH] = SICSLOWPAN_DISPATCH_HC1;
uncomp_hdr_len += UIP_IPH_LEN;
switch(UIP_IP_BUF->proto) {
case UIP_PROTO_ICMP6:
/* HC1 encoding and ttl */
RIME_HC1_PTR[RIME_HC1_ENCODING] = 0xFC;
RIME_HC1_PTR[RIME_HC1_TTL] = UIP_IP_BUF->ttl;
rime_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
PACKETBUF_HC1_PTR[PACKETBUF_HC1_ENCODING] = 0xFC;
PACKETBUF_HC1_PTR[PACKETBUF_HC1_TTL] = UIP_IP_BUF->ttl;
packetbuf_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
break;
#if UIP_CONF_TCP
case UIP_PROTO_TCP:
/* HC1 encoding and ttl */
RIME_HC1_PTR[RIME_HC1_ENCODING] = 0xFE;
RIME_HC1_PTR[RIME_HC1_TTL] = UIP_IP_BUF->ttl;
rime_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
PACKETBUF_HC1_PTR[PACKETBUF_HC1_ENCODING] = 0xFE;
PACKETBUF_HC1_PTR[PACKETBUF_HC1_TTL] = UIP_IP_BUF->ttl;
packetbuf_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
break;
#endif /* UIP_CONF_TCP */
#if UIP_CONF_UDP
@ -1141,24 +1141,24 @@ compress_hdr_hc1(linkaddr_t *rime_destaddr)
UIP_HTONS(UIP_UDP_BUF->destport) >= SICSLOWPAN_UDP_PORT_MIN &&
UIP_HTONS(UIP_UDP_BUF->destport) < SICSLOWPAN_UDP_PORT_MAX) {
/* HC1 encoding */
RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_HC1_ENCODING] = 0xFB;
PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_HC1_ENCODING] = 0xFB;
/* HC_UDP encoding, ttl, src and dest ports, checksum */
RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_UDP_ENCODING] = 0xE0;
RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_TTL] = UIP_IP_BUF->ttl;
PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_UDP_ENCODING] = 0xE0;
PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_TTL] = UIP_IP_BUF->ttl;
RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_PORTS] =
PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_PORTS] =
(uint8_t)((UIP_HTONS(UIP_UDP_BUF->srcport) -
SICSLOWPAN_UDP_PORT_MIN) << 4) +
(uint8_t)((UIP_HTONS(UIP_UDP_BUF->destport) - SICSLOWPAN_UDP_PORT_MIN));
memcpy(&RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_CHKSUM], &UIP_UDP_BUF->udpchksum, 2);
rime_hdr_len += SICSLOWPAN_HC1_HC_UDP_HDR_LEN;
memcpy(&PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_CHKSUM], &UIP_UDP_BUF->udpchksum, 2);
packetbuf_hdr_len += SICSLOWPAN_HC1_HC_UDP_HDR_LEN;
uncomp_hdr_len += UIP_UDPH_LEN;
} else {
/* HC1 encoding and ttl */
RIME_HC1_PTR[RIME_HC1_ENCODING] = 0xFA;
RIME_HC1_PTR[RIME_HC1_TTL] = UIP_IP_BUF->ttl;
rime_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
PACKETBUF_HC1_PTR[PACKETBUF_HC1_ENCODING] = 0xFA;
PACKETBUF_HC1_PTR[PACKETBUF_HC1_TTL] = UIP_IP_BUF->ttl;
packetbuf_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
}
break;
#endif /*UIP_CONF_UDP*/
@ -1174,9 +1174,9 @@ compress_hdr_hc1(linkaddr_t *rime_destaddr)
*
* This function is called by the input function when the dispatch is
* HC1.
* We %process the packet in the rime buffer, uncompress the header
* We %process the packet in the packetbuf buffer, uncompress the header
* fields, and copy the result in the sicslowpan buffer.
* At the end of the decompression, rime_hdr_len and uncompressed_hdr_len
* At the end of the decompression, packetbuf_hdr_len and uncompressed_hdr_len
* are set to the appropriate values
*
* \param ip_len Equal to 0 if the packet is not a fragment (IP length
@ -1202,43 +1202,43 @@ uncompress_hdr_hc1(uint16_t ip_len)
uncomp_hdr_len += UIP_IPH_LEN;
/* Next header field */
switch(RIME_HC1_PTR[RIME_HC1_ENCODING] & 0x06) {
switch(PACKETBUF_HC1_PTR[PACKETBUF_HC1_ENCODING] & 0x06) {
case SICSLOWPAN_HC1_NH_ICMP6:
SICSLOWPAN_IP_BUF->proto = UIP_PROTO_ICMP6;
SICSLOWPAN_IP_BUF->ttl = RIME_HC1_PTR[RIME_HC1_TTL];
rime_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
SICSLOWPAN_IP_BUF->ttl = PACKETBUF_HC1_PTR[PACKETBUF_HC1_TTL];
packetbuf_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
break;
#if UIP_CONF_TCP
case SICSLOWPAN_HC1_NH_TCP:
SICSLOWPAN_IP_BUF->proto = UIP_PROTO_TCP;
SICSLOWPAN_IP_BUF->ttl = RIME_HC1_PTR[RIME_HC1_TTL];
rime_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
SICSLOWPAN_IP_BUF->ttl = PACKETBUF_HC1_PTR[PACKETBUF_HC1_TTL];
packetbuf_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
break;
#endif/* UIP_CONF_TCP */
#if UIP_CONF_UDP
case SICSLOWPAN_HC1_NH_UDP:
SICSLOWPAN_IP_BUF->proto = UIP_PROTO_UDP;
if(RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_HC1_ENCODING] & 0x01) {
if(PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_HC1_ENCODING] & 0x01) {
/* UDP header is compressed with HC_UDP */
if(RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_UDP_ENCODING] !=
if(PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_UDP_ENCODING] !=
SICSLOWPAN_HC_UDP_ALL_C) {
PRINTF("sicslowpan (uncompress_hdr), packet not supported");
return;
}
/* IP TTL */
SICSLOWPAN_IP_BUF->ttl = RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_TTL];
SICSLOWPAN_IP_BUF->ttl = PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_TTL];
/* UDP ports, len, checksum */
SICSLOWPAN_UDP_BUF->srcport =
UIP_HTONS(SICSLOWPAN_UDP_PORT_MIN +
(RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_PORTS] >> 4));
(PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_PORTS] >> 4));
SICSLOWPAN_UDP_BUF->destport =
UIP_HTONS(SICSLOWPAN_UDP_PORT_MIN +
(RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_PORTS] & 0x0F));
memcpy(&SICSLOWPAN_UDP_BUF->udpchksum, &RIME_HC1_HC_UDP_PTR[RIME_HC1_HC_UDP_CHKSUM], 2);
(PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_PORTS] & 0x0F));
memcpy(&SICSLOWPAN_UDP_BUF->udpchksum, &PACKETBUF_HC1_HC_UDP_PTR[PACKETBUF_HC1_HC_UDP_CHKSUM], 2);
uncomp_hdr_len += UIP_UDPH_LEN;
rime_hdr_len += SICSLOWPAN_HC1_HC_UDP_HDR_LEN;
packetbuf_hdr_len += SICSLOWPAN_HC1_HC_UDP_HDR_LEN;
} else {
rime_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
packetbuf_hdr_len += SICSLOWPAN_HC1_HDR_LEN;
}
break;
#endif/* UIP_CONF_UDP */
@ -1249,7 +1249,7 @@ uncompress_hdr_hc1(uint16_t ip_len)
/* IP length field. */
if(ip_len == 0) {
int len = packetbuf_datalen() - rime_hdr_len + uncomp_hdr_len - UIP_IPH_LEN;
int len = packetbuf_datalen() - packetbuf_hdr_len + uncomp_hdr_len - UIP_IPH_LEN;
/* This is not a fragmented packet */
SICSLOWPAN_IP_BUF->len[0] = len >> 8;
SICSLOWPAN_IP_BUF->len[1] = len & 0x00FF;
@ -1286,12 +1286,12 @@ uncompress_hdr_hc1(uint16_t ip_len)
* \endverbatim
*/
static void
compress_hdr_ipv6(linkaddr_t *rime_destaddr)
compress_hdr_ipv6(linkaddr_t *link_destaddr)
{
*rime_ptr = SICSLOWPAN_DISPATCH_IPV6;
rime_hdr_len += SICSLOWPAN_IPV6_HDR_LEN;
memcpy(rime_ptr + rime_hdr_len, UIP_IP_BUF, UIP_IPH_LEN);
rime_hdr_len += UIP_IPH_LEN;
*packetbuf_ptr = SICSLOWPAN_DISPATCH_IPV6;
packetbuf_hdr_len += SICSLOWPAN_IPV6_HDR_LEN;
memcpy(packetbuf_ptr + packetbuf_hdr_len, UIP_IP_BUF, UIP_IPH_LEN);
packetbuf_hdr_len += UIP_IPH_LEN;
uncomp_hdr_len += UIP_IPH_LEN;
return;
}
@ -1370,11 +1370,11 @@ output(const uip_lladdr_t *localdest)
/* init */
uncomp_hdr_len = 0;
rime_hdr_len = 0;
packetbuf_hdr_len = 0;
/* reset rime buffer */
/* reset packetbuf buffer */
packetbuf_clear();
rime_ptr = packetbuf_dataptr();
packetbuf_ptr = packetbuf_dataptr();
packetbuf_set_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS,
SICSLOWPAN_MAX_MAC_TRANSMISSIONS);
@ -1427,7 +1427,7 @@ output(const uip_lladdr_t *localdest)
} else {
compress_hdr_ipv6(&dest);
}
PRINTFO("sicslowpan output: header of len %d\n", rime_hdr_len);
PRINTFO("sicslowpan output: header of len %d\n", packetbuf_hdr_len);
/* Calculate NETSTACK_FRAMER's header length, that will be added in the NETSTACK_RDC.
* We calculate it here only to make a better decision of whether the outgoing packet
@ -1451,7 +1451,7 @@ output(const uip_lladdr_t *localdest)
framer_hdrlen = 21;
#endif /* USE_FRAMER_HDRLEN */
if((int)uip_len - (int)uncomp_hdr_len > (int)MAC_MAX_PAYLOAD - framer_hdrlen - (int)rime_hdr_len) {
if((int)uip_len - (int)uncomp_hdr_len > (int)MAC_MAX_PAYLOAD - framer_hdrlen - (int)packetbuf_hdr_len) {
#if SICSLOWPAN_CONF_FRAG
struct queuebuf *q;
/*
@ -1468,27 +1468,27 @@ output(const uip_lladdr_t *localdest)
PRINTFO("sicslowpan output: 1rst fragment ");
/* move HC1/HC06/IPv6 header */
memmove(rime_ptr + SICSLOWPAN_FRAG1_HDR_LEN, rime_ptr, rime_hdr_len);
memmove(packetbuf_ptr + SICSLOWPAN_FRAG1_HDR_LEN, packetbuf_ptr, packetbuf_hdr_len);
/*
* FRAG1 dispatch + header
* Note that the length is in units of 8 bytes
*/
/* RIME_FRAG_BUF->dispatch_size = */
/* PACKETBUF_FRAG_BUF->dispatch_size = */
/* uip_htons((SICSLOWPAN_DISPATCH_FRAG1 << 8) | uip_len); */
SET16(RIME_FRAG_PTR, RIME_FRAG_DISPATCH_SIZE,
SET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_DISPATCH_SIZE,
((SICSLOWPAN_DISPATCH_FRAG1 << 8) | uip_len));
/* RIME_FRAG_BUF->tag = uip_htons(my_tag); */
SET16(RIME_FRAG_PTR, RIME_FRAG_TAG, my_tag);
/* PACKETBUF_FRAG_BUF->tag = uip_htons(my_tag); */
SET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_TAG, my_tag);
my_tag++;
/* Copy payload and send */
rime_hdr_len += SICSLOWPAN_FRAG1_HDR_LEN;
rime_payload_len = (MAC_MAX_PAYLOAD - framer_hdrlen - rime_hdr_len) & 0xfffffff8;
PRINTFO("(len %d, tag %d)\n", rime_payload_len, my_tag);
memcpy(rime_ptr + rime_hdr_len,
(uint8_t *)UIP_IP_BUF + uncomp_hdr_len, rime_payload_len);
packetbuf_set_datalen(rime_payload_len + rime_hdr_len);
packetbuf_hdr_len += SICSLOWPAN_FRAG1_HDR_LEN;
packetbuf_payload_len = (MAC_MAX_PAYLOAD - framer_hdrlen - packetbuf_hdr_len) & 0xfffffff8;
PRINTFO("(len %d, tag %d)\n", packetbuf_payload_len, my_tag);
memcpy(packetbuf_ptr + packetbuf_hdr_len,
(uint8_t *)UIP_IP_BUF + uncomp_hdr_len, packetbuf_payload_len);
packetbuf_set_datalen(packetbuf_payload_len + packetbuf_hdr_len);
q = queuebuf_new_from_packetbuf();
if(q == NULL) {
PRINTFO("could not allocate queuebuf for first fragment, dropping packet\n");
@ -1508,33 +1508,33 @@ output(const uip_lladdr_t *localdest)
}
/* set processed_ip_out_len to what we already sent from the IP payload*/
processed_ip_out_len = rime_payload_len + uncomp_hdr_len;
processed_ip_out_len = packetbuf_payload_len + uncomp_hdr_len;
/*
* Create following fragments
* Datagram tag is already in the buffer, we need to set the
* FRAGN dispatch and for each fragment, the offset
*/
rime_hdr_len = SICSLOWPAN_FRAGN_HDR_LEN;
/* RIME_FRAG_BUF->dispatch_size = */
packetbuf_hdr_len = SICSLOWPAN_FRAGN_HDR_LEN;
/* PACKETBUF_FRAG_BUF->dispatch_size = */
/* uip_htons((SICSLOWPAN_DISPATCH_FRAGN << 8) | uip_len); */
SET16(RIME_FRAG_PTR, RIME_FRAG_DISPATCH_SIZE,
SET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_DISPATCH_SIZE,
((SICSLOWPAN_DISPATCH_FRAGN << 8) | uip_len));
rime_payload_len = (MAC_MAX_PAYLOAD - framer_hdrlen - rime_hdr_len) & 0xfffffff8;
packetbuf_payload_len = (MAC_MAX_PAYLOAD - framer_hdrlen - packetbuf_hdr_len) & 0xfffffff8;
while(processed_ip_out_len < uip_len) {
PRINTFO("sicslowpan output: fragment ");
RIME_FRAG_PTR[RIME_FRAG_OFFSET] = processed_ip_out_len >> 3;
PACKETBUF_FRAG_PTR[PACKETBUF_FRAG_OFFSET] = processed_ip_out_len >> 3;
/* Copy payload and send */
if(uip_len - processed_ip_out_len < rime_payload_len) {
if(uip_len - processed_ip_out_len < packetbuf_payload_len) {
/* last fragment */
rime_payload_len = uip_len - processed_ip_out_len;
packetbuf_payload_len = uip_len - processed_ip_out_len;
}
PRINTFO("(offset %d, len %d, tag %d)\n",
processed_ip_out_len >> 3, rime_payload_len, my_tag);
memcpy(rime_ptr + rime_hdr_len,
(uint8_t *)UIP_IP_BUF + processed_ip_out_len, rime_payload_len);
packetbuf_set_datalen(rime_payload_len + rime_hdr_len);
processed_ip_out_len >> 3, packetbuf_payload_len, my_tag);
memcpy(packetbuf_ptr + packetbuf_hdr_len,
(uint8_t *)UIP_IP_BUF + processed_ip_out_len, packetbuf_payload_len);
packetbuf_set_datalen(packetbuf_payload_len + packetbuf_hdr_len);
q = queuebuf_new_from_packetbuf();
if(q == NULL) {
PRINTFO("could not allocate queuebuf, dropping fragment\n");
@ -1544,7 +1544,7 @@ output(const uip_lladdr_t *localdest)
queuebuf_to_packetbuf(q);
queuebuf_free(q);
q = NULL;
processed_ip_out_len += rime_payload_len;
processed_ip_out_len += packetbuf_payload_len;
/* Check tx result. */
if((last_tx_status == MAC_TX_COLLISION) ||
@ -1564,9 +1564,9 @@ output(const uip_lladdr_t *localdest)
* The packet does not need to be fragmented
* copy "payload" and send
*/
memcpy(rime_ptr + rime_hdr_len, (uint8_t *)UIP_IP_BUF + uncomp_hdr_len,
memcpy(packetbuf_ptr + packetbuf_hdr_len, (uint8_t *)UIP_IP_BUF + uncomp_hdr_len,
uip_len - uncomp_hdr_len);
packetbuf_set_datalen(uip_len - uncomp_hdr_len + rime_hdr_len);
packetbuf_set_datalen(uip_len - uncomp_hdr_len + packetbuf_hdr_len);
send_packet(&dest);
}
return 1;
@ -1601,10 +1601,10 @@ input(void)
/* init */
uncomp_hdr_len = 0;
rime_hdr_len = 0;
packetbuf_hdr_len = 0;
/* The MAC puts the 15.4 payload inside the RIME data buffer */
rime_ptr = packetbuf_dataptr();
/* The MAC puts the 15.4 payload inside the packetbuf data buffer */
packetbuf_ptr = packetbuf_dataptr();
/* Save the RSSI of the incoming packet in case the upper layer will
want to query us for it later. */
@ -1619,17 +1619,17 @@ input(void)
* Since we don't support the mesh and broadcast header, the first header
* we look for is the fragmentation header
*/
switch((GET16(RIME_FRAG_PTR, RIME_FRAG_DISPATCH_SIZE) & 0xf800) >> 8) {
switch((GET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_DISPATCH_SIZE) & 0xf800) >> 8) {
case SICSLOWPAN_DISPATCH_FRAG1:
PRINTFI("sicslowpan input: FRAG1 ");
frag_offset = 0;
/* frag_size = (uip_ntohs(RIME_FRAG_BUF->dispatch_size) & 0x07ff); */
frag_size = GET16(RIME_FRAG_PTR, RIME_FRAG_DISPATCH_SIZE) & 0x07ff;
/* frag_tag = uip_ntohs(RIME_FRAG_BUF->tag); */
frag_tag = GET16(RIME_FRAG_PTR, RIME_FRAG_TAG);
/* frag_size = (uip_ntohs(PACKETBUF_FRAG_BUF->dispatch_size) & 0x07ff); */
frag_size = GET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_DISPATCH_SIZE) & 0x07ff;
/* frag_tag = uip_ntohs(PACKETBUF_FRAG_BUF->tag); */
frag_tag = GET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_TAG);
PRINTFI("size %d, tag %d, offset %d)\n",
frag_size, frag_tag, frag_offset);
rime_hdr_len += SICSLOWPAN_FRAG1_HDR_LEN;
packetbuf_hdr_len += SICSLOWPAN_FRAG1_HDR_LEN;
/* printf("frag1 %d %d\n", reass_tag, frag_tag);*/
first_fragment = 1;
is_fragment = 1;
@ -1640,19 +1640,19 @@ input(void)
* Offset is in units of 8 bytes
*/
PRINTFI("sicslowpan input: FRAGN ");
frag_offset = RIME_FRAG_PTR[RIME_FRAG_OFFSET];
frag_tag = GET16(RIME_FRAG_PTR, RIME_FRAG_TAG);
frag_size = GET16(RIME_FRAG_PTR, RIME_FRAG_DISPATCH_SIZE) & 0x07ff;
frag_offset = PACKETBUF_FRAG_PTR[PACKETBUF_FRAG_OFFSET];
frag_tag = GET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_TAG);
frag_size = GET16(PACKETBUF_FRAG_PTR, PACKETBUF_FRAG_DISPATCH_SIZE) & 0x07ff;
PRINTFI("size %d, tag %d, offset %d)\n",
frag_size, frag_tag, frag_offset);
rime_hdr_len += SICSLOWPAN_FRAGN_HDR_LEN;
packetbuf_hdr_len += SICSLOWPAN_FRAGN_HDR_LEN;
/* If this is the last fragment, we may shave off any extrenous
bytes at the end. We must be liberal in what we accept. */
PRINTFI("last_fragment?: processed_ip_in_len %d rime_payload_len %d frag_size %d\n",
processed_ip_in_len, packetbuf_datalen() - rime_hdr_len, frag_size);
PRINTFI("last_fragment?: processed_ip_in_len %d packetbuf_payload_len %d frag_size %d\n",
processed_ip_in_len, packetbuf_datalen() - packetbuf_hdr_len, frag_size);
if(processed_ip_in_len + packetbuf_datalen() - rime_hdr_len >= frag_size) {
if(processed_ip_in_len + packetbuf_datalen() - packetbuf_hdr_len >= frag_size) {
last_fragment = 1;
}
is_fragment = 1;
@ -1719,7 +1719,7 @@ input(void)
}
}
if(rime_hdr_len == SICSLOWPAN_FRAGN_HDR_LEN) {
if(packetbuf_hdr_len == SICSLOWPAN_FRAGN_HDR_LEN) {
/* this is a FRAGN, skip the header compression dispatch section */
goto copypayload;
}
@ -1727,12 +1727,12 @@ input(void)
/* Process next dispatch and headers */
#if SICSLOWPAN_COMPRESSION == SICSLOWPAN_COMPRESSION_HC06
if((RIME_HC1_PTR[RIME_HC1_DISPATCH] & 0xe0) == SICSLOWPAN_DISPATCH_IPHC) {
if((PACKETBUF_HC1_PTR[PACKETBUF_HC1_DISPATCH] & 0xe0) == SICSLOWPAN_DISPATCH_IPHC) {
PRINTFI("sicslowpan input: IPHC\n");
uncompress_hdr_hc06(frag_size);
} else
#endif /* SICSLOWPAN_COMPRESSION == SICSLOWPAN_COMPRESSION_HC06 */
switch(RIME_HC1_PTR[RIME_HC1_DISPATCH]) {
switch(PACKETBUF_HC1_PTR[PACKETBUF_HC1_DISPATCH]) {
#if SICSLOWPAN_COMPRESSION == SICSLOWPAN_COMPRESSION_HC1
case SICSLOWPAN_DISPATCH_HC1:
PRINTFI("sicslowpan input: HC1\n");
@ -1741,19 +1741,19 @@ input(void)
#endif /* SICSLOWPAN_COMPRESSION == SICSLOWPAN_COMPRESSION_HC1 */
case SICSLOWPAN_DISPATCH_IPV6:
PRINTFI("sicslowpan input: IPV6\n");
rime_hdr_len += SICSLOWPAN_IPV6_HDR_LEN;
packetbuf_hdr_len += SICSLOWPAN_IPV6_HDR_LEN;
/* Put uncompressed IP header in sicslowpan_buf. */
memcpy(SICSLOWPAN_IP_BUF, rime_ptr + rime_hdr_len, UIP_IPH_LEN);
memcpy(SICSLOWPAN_IP_BUF, packetbuf_ptr + packetbuf_hdr_len, UIP_IPH_LEN);
/* Update uncomp_hdr_len and rime_hdr_len. */
rime_hdr_len += UIP_IPH_LEN;
/* Update uncomp_hdr_len and packetbuf_hdr_len. */
packetbuf_hdr_len += UIP_IPH_LEN;
uncomp_hdr_len += UIP_IPH_LEN;
break;
default:
/* unknown header */
PRINTFI("sicslowpan input: unknown dispatch: %u\n",
RIME_HC1_PTR[RIME_HC1_DISPATCH]);
PACKETBUF_HC1_PTR[PACKETBUF_HC1_DISPATCH]);
return;
}
@ -1762,32 +1762,32 @@ input(void)
copypayload:
#endif /*SICSLOWPAN_CONF_FRAG*/
/*
* copy "payload" from the rime buffer to the sicslowpan_buf
* copy "payload" from the packetbuf buffer to the sicslowpan_buf
* if this is a first fragment or not fragmented packet,
* we have already copied the compressed headers, uncomp_hdr_len
* and rime_hdr_len are non 0, frag_offset is.
* and packetbuf_hdr_len are non 0, frag_offset is.
* If this is a subsequent fragment, this is the contrary.
*/
if(packetbuf_datalen() < rime_hdr_len) {
if(packetbuf_datalen() < packetbuf_hdr_len) {
PRINTF("SICSLOWPAN: packet dropped due to header > total packet\n");
return;
}
rime_payload_len = packetbuf_datalen() - rime_hdr_len;
packetbuf_payload_len = packetbuf_datalen() - packetbuf_hdr_len;
/* Sanity-check size of incoming packet to avoid buffer overflow */
{
int req_size = UIP_LLH_LEN + uncomp_hdr_len + (uint16_t)(frag_offset << 3)
+ rime_payload_len;
+ packetbuf_payload_len;
if(req_size > sizeof(sicslowpan_buf)) {
PRINTF(
"SICSLOWPAN: packet dropped, minimum required SICSLOWPAN_IP_BUF size: %d+%d+%d+%d=%d (current size: %d)\n",
UIP_LLH_LEN, uncomp_hdr_len, (uint16_t)(frag_offset << 3),
rime_payload_len, req_size, sizeof(sicslowpan_buf));
packetbuf_payload_len, req_size, sizeof(sicslowpan_buf));
return;
}
}
memcpy((uint8_t *)SICSLOWPAN_IP_BUF + uncomp_hdr_len + (uint16_t)(frag_offset << 3), rime_ptr + rime_hdr_len, rime_payload_len);
memcpy((uint8_t *)SICSLOWPAN_IP_BUF + uncomp_hdr_len + (uint16_t)(frag_offset << 3), packetbuf_ptr + packetbuf_hdr_len, packetbuf_payload_len);
/* update processed_ip_in_len if fragment, sicslowpan_len otherwise */
@ -1802,13 +1802,13 @@ input(void)
if(last_fragment != 0) {
processed_ip_in_len = frag_size;
} else {
processed_ip_in_len += rime_payload_len;
processed_ip_in_len += packetbuf_payload_len;
}
PRINTF("processed_ip_in_len %d, rime_payload_len %d\n", processed_ip_in_len, rime_payload_len);
PRINTF("processed_ip_in_len %d, packetbuf_payload_len %d\n", processed_ip_in_len, packetbuf_payload_len);
} else {
#endif /* SICSLOWPAN_CONF_FRAG */
sicslowpan_len = rime_payload_len + uncomp_hdr_len;
sicslowpan_len = packetbuf_payload_len + uncomp_hdr_len;
#if SICSLOWPAN_CONF_FRAG
}