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task #14597: cleanup pbuf_header usages (use pbuf_add_header/pbuf_remove_header instead)

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This commit is contained in:
goldsimon 2017-08-04 22:38:11 +02:00
parent 1981cf39d1
commit a1c7924cb6
16 changed files with 59 additions and 59 deletions
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2
src/apps/httpd/httpd.c
View File

@ -1799,7 +1799,7 @@ http_post_request(struct pbuf *inp, struct http_state *hs,
}
if (q != NULL) {
/* hide the remaining HTTP header */
pbuf_header(q, -(s16_t)start_offset);
pbuf_remove_header(q, start_offset);
#if LWIP_HTTPD_POST_MANUAL_WND
if (!post_auto_wnd) {
/* already tcp_recved() this data... */

2
src/apps/lwiperf/lwiperf.c
View File

@ -471,7 +471,7 @@ lwiperf_tcp_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err)
return ERR_OK;
}
conn->next_num = 4; /* 24 bytes received... */
tmp = pbuf_header(p, -24);
tmp = pbuf_remove_header(p, 24);
LWIP_ASSERT("pbuf_header failed", tmp == 0);
}

2
src/apps/tftp/tftp_server.c
View File

@ -296,7 +296,7 @@ recv(void *arg, struct udp_pcb *upcb, struct pbuf *p, const ip_addr_t *addr, u16
}
blknum = lwip_ntohs(sbuf[1]);
pbuf_header(p, -TFTP_HEADER_LENGTH);
pbuf_remove_header(p, TFTP_HEADER_LENGTH);
ret = tftp_state.ctx->write(tftp_state.handle, p);
if (ret < 0) {

8
src/core/ipv4/icmp.c
View File

@ -152,7 +152,7 @@ icmp_input(struct pbuf *p, struct netif *inp)
}
#endif
#if LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN
if (pbuf_header(p, (s16_t)(hlen + PBUF_LINK_HLEN + PBUF_LINK_ENCAPSULATION_HLEN))) {
if (pbuf_add_header(p, hlen + PBUF_LINK_HLEN + PBUF_LINK_ENCAPSULATION_HLEN)) {
/* p is not big enough to contain link headers
* allocate a new one and copy p into it
*/
@ -176,7 +176,7 @@ icmp_input(struct pbuf *p, struct netif *inp)
/* copy the ip header */
MEMCPY(r->payload, iphdr_in, hlen);
/* switch r->payload back to icmp header (cannot fail) */
if (pbuf_header(r, (s16_t)-hlen)) {
if (pbuf_remove_header(r, hlen)) {
LWIP_ASSERT("icmp_input: moving r->payload to icmp header failed\n", 0);
pbuf_free(r);
goto icmperr;
@ -193,7 +193,7 @@ icmp_input(struct pbuf *p, struct netif *inp)
p = r;
} else {
/* restore p->payload to point to icmp header (cannot fail) */
if (pbuf_header(p, (s16_t)-(s16_t)(hlen + PBUF_LINK_HLEN + PBUF_LINK_ENCAPSULATION_HLEN))) {
if (pbuf_remove_header(p, hlen + PBUF_LINK_HLEN + PBUF_LINK_ENCAPSULATION_HLEN)) {
LWIP_ASSERT("icmp_input: restoring original p->payload failed\n", 0);
goto icmperr;
}
@ -203,7 +203,7 @@ icmp_input(struct pbuf *p, struct netif *inp)
/* We generate an answer by switching the dest and src ip addresses,
* setting the icmp type to ECHO_RESPONSE and updating the checksum. */
iecho = (struct icmp_echo_hdr *)p->payload;
if (pbuf_header(p, (s16_t)hlen)) {
if (pbuf_add_header(p, hlen)) {
LWIP_DEBUGF(ICMP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("Can't move over header in packet"));
} else {
err_t ret;

6
src/core/ipv4/ip4.c
View File

@ -674,7 +674,7 @@ ip4_input(struct pbuf *p, struct netif *inp)
if (raw_input(p, inp) == 0)
#endif /* LWIP_RAW */
{
pbuf_header(p, (s16_t)-(s16_t)iphdr_hlen); /* Move to payload, no check necessary. */
pbuf_remove_header(p, iphdr_hlen); /* Move to payload, no check necessary. */
switch (IPH_PROTO(iphdr)) {
#if LWIP_UDP
@ -847,7 +847,7 @@ ip4_output_if_opt_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *d
optlen_aligned = (u16_t)((optlen + 3) & ~3);
ip_hlen = (u16_t)(ip_hlen + optlen_aligned);
/* First write in the IP options */
if (pbuf_header(p, (s16_t)optlen_aligned)) {
if (pbuf_add_header(p, optlen_aligned)) {
LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip4_output_if_opt: not enough room for IP options in pbuf\n"));
IP_STATS_INC(ip.err);
MIB2_STATS_INC(mib2.ipoutdiscards);
@ -866,7 +866,7 @@ ip4_output_if_opt_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *d
}
#endif /* IP_OPTIONS_SEND */
/* generate IP header */
if (pbuf_header(p, IP_HLEN)) {
if (pbuf_add_header(p, IP_HLEN)) {
LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip4_output: not enough room for IP header in pbuf\n"));
IP_STATS_INC(ip.err);

4
src/core/ipv4/ip4_frag.c
View File

@ -651,7 +651,7 @@ ip4_reass(struct pbuf *p)
iprh = (struct ip_reass_helper*)r->payload;
/* hide the ip header for every succeeding fragment */
pbuf_header(r, -IP_HLEN);
pbuf_remove_header(r, IP_HLEN);
pbuf_cat(p, r);
r = iprh->next_pbuf;
}
@ -779,7 +779,7 @@ ip4_frag(struct pbuf *p, struct netif *netif, const ip4_addr_t *dest)
(rambuf->len == rambuf->tot_len) && (rambuf->next == NULL));
poff += pbuf_copy_partial(p, rambuf->payload, fragsize, poff);
/* make room for the IP header */
if (pbuf_header(rambuf, IP_HLEN)) {
if (pbuf_add_header(rambuf, IP_HLEN)) {
pbuf_free(rambuf);
goto memerr;
}

18
src/core/ipv6/ip6.c
View File

@ -695,7 +695,7 @@ netif_found:
hlen = hlen_tot = IP6_HLEN;
/* Move to payload. */
pbuf_header(p, -IP6_HLEN);
pbuf_remove_header(p, IP6_HLEN);
/* Process known option extension headers, if present. */
while (nexth != IP6_NEXTH_NONE)
@ -722,7 +722,7 @@ netif_found:
nexth = *((u8_t *)p->payload);
/* Skip over this header. */
pbuf_header(p, (s16_t)-(s16_t)hlen);
pbuf_remove_header(p, hlen);
break;
case IP6_NEXTH_DESTOPTS:
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with Destination options header\n"));
@ -746,7 +746,7 @@ netif_found:
nexth = *((u8_t *)p->payload);
/* Skip over this header. */
pbuf_header(p, (s16_t)-(s16_t)hlen);
pbuf_remove_header(p, hlen);
break;
case IP6_NEXTH_ROUTING:
LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet with Routing header\n"));
@ -770,7 +770,7 @@ netif_found:
/* Skip over this header. */
hlen_tot = (u16_t)(hlen_tot + hlen);
pbuf_header(p, (s16_t)-(s16_t)hlen);
pbuf_remove_header(p, hlen);
break;
case IP6_NEXTH_FRAGMENT:
@ -804,7 +804,7 @@ netif_found:
if ((frag_hdr->_fragment_offset &
PP_HTONS(IP6_FRAG_OFFSET_MASK | IP6_FRAG_MORE_FLAG)) == 0) {
/* This is a 1-fragment packet. Skip this header and continue. */
pbuf_header(p, (s16_t)-(s16_t)hlen);
pbuf_remove_header(p, hlen);
} else {
#if LWIP_IPV6_REASS
@ -821,7 +821,7 @@ netif_found:
ip6hdr = (struct ip6_hdr *)p->payload;
nexth = IP6H_NEXTH(ip6hdr);
hlen = hlen_tot = IP6_HLEN;
pbuf_header(p, -IP6_HLEN);
pbuf_remove_header(p, IP6_HLEN);
#else /* LWIP_IPV6_REASS */
/* free (drop) packet pbufs */
@ -863,7 +863,7 @@ options_done:
if (raw_input(p, inp) == 0)
{
/* Point to payload. */
pbuf_header(p, (s16_t)-(s16_t)hlen_tot);
pbuf_remove_header(p, hlen_tot);
#else /* LWIP_RAW */
{
#endif /* LWIP_RAW */
@ -996,7 +996,7 @@ ip6_output_if_src(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
#endif /* LWIP_IPV6_SCOPES */
/* generate IPv6 header */
if (pbuf_header(p, IP6_HLEN)) {
if (pbuf_add_header(p, IP6_HLEN)) {
LWIP_DEBUGF(IP6_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip6_output: not enough room for IPv6 header in pbuf\n"));
IP6_STATS_INC(ip6.err);
return ERR_BUF;
@ -1204,7 +1204,7 @@ ip6_options_add_hbh_ra(struct pbuf *p, u8_t nexth, u8_t value)
struct ip6_hbh_hdr *hbh_hdr;
/* Move pointer to make room for hop-by-hop options header. */
if (pbuf_header(p, sizeof(struct ip6_hbh_hdr))) {
if (pbuf_add_header(p, sizeof(struct ip6_hbh_hdr))) {
LWIP_DEBUGF(IP6_DEBUG, ("ip6_options: no space for options header\n"));
IP6_STATS_INC(ip6.err);
return ERR_BUF;

8
src/core/ipv6/ip6_frag.c
View File

@ -562,11 +562,11 @@ ip6_reass(struct pbuf *p)
iprh_tmp = (struct ip6_reass_helper*)next_pbuf->payload;
/* hide the fragment header for every succeeding fragment */
pbuf_header(next_pbuf, -IP6_FRAG_HLEN);
pbuf_remove_header(next_pbuf, IP6_FRAG_HLEN);
#if IPV6_FRAG_COPYHEADER
if (IPV6_FRAG_REQROOM > 0) {
/* hide the extra bytes borrowed from ip6_hdr for struct ip6_reass_helper */
u8_t hdrerr = pbuf_header(next_pbuf, -(s16_t)(IPV6_FRAG_REQROOM));
u8_t hdrerr = pbuf_remove_header(next_pbuf, IPV6_FRAG_REQROOM);
LWIP_UNUSED_ARG(hdrerr); /* in case of LWIP_NOASSERT */
LWIP_ASSERT("no room for struct ip6_reass_helper", hdrerr == 0);
}
@ -591,7 +591,7 @@ ip6_reass(struct pbuf *p)
* header placed before the fragment header. */
MEMCPY(p->payload, ipr->orig_hdr, IPV6_FRAG_REQROOM);
/* get back room for struct ip6_reass_helper (only required if sizeof(void*) > 4) */
hdrerr = pbuf_header(p, -(s16_t)(IPV6_FRAG_REQROOM));
hdrerr = pbuf_remove_header(p, IPV6_FRAG_REQROOM);
LWIP_UNUSED_ARG(hdrerr); /* in case of LWIP_NOASSERT */
LWIP_ASSERT("no room for struct ip6_reass_helper", hdrerr == 0);
}
@ -760,7 +760,7 @@ ip6_frag(struct pbuf *p, struct netif *netif, const ip6_addr_t *dest)
(rambuf->len == rambuf->tot_len) && (rambuf->next == NULL));
poff += pbuf_copy_partial(p, (u8_t*)rambuf->payload + IP6_FRAG_HLEN, cop, poff);
/* make room for the IP header */
if (pbuf_header(rambuf, IP6_HLEN)) {
if (pbuf_add_header(rambuf, IP6_HLEN)) {
pbuf_free(rambuf);
IP6_FRAG_STATS_INC(ip6_frag.memerr);
return ERR_MEM;

2
src/core/ipv6/mld6.c
View File

@ -561,7 +561,7 @@ mld6_send(struct netif *netif, struct mld_group *group, u8_t type)
}
/* Move to make room for Hop-by-hop options header. */
if (pbuf_header(p, -IP6_HBH_HLEN)) {
if (pbuf_remove_header(p, IP6_HBH_HLEN)) {
pbuf_free(p);
MLD6_STATS_INC(mld6.lenerr);
return;

6
src/core/raw.c
View File

@ -414,7 +414,7 @@ raw_sendto_if_src(struct raw_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip,
{
err_t err;
struct pbuf *q; /* q will be sent down the stack */
s16_t header_size;
u16_t header_size;
u8_t ttl;
if ((pcb == NULL) || (dst_ip == NULL) || (netif == NULL) || (src_ip == NULL) ||
@ -451,7 +451,7 @@ raw_sendto_if_src(struct raw_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip,
return ERR_MEM;
}
/* not enough space to add an IP header to first pbuf in given p chain? */
if (pbuf_header(p, header_size)) {
if (pbuf_add_header(p, header_size)) {
/* allocate header in new pbuf */
q = pbuf_alloc(PBUF_IP, 0, PBUF_RAM);
/* new header pbuf could not be allocated? */
@ -468,7 +468,7 @@ raw_sendto_if_src(struct raw_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip,
} else {
/* first pbuf q equals given pbuf */
q = p;
if (pbuf_header(q, (s16_t)-header_size)) {
if (pbuf_remove_header(q, header_size)) {
LWIP_ASSERT("Can't restore header we just removed!", 0);
return ERR_MEM;
}

8
src/core/tcp_in.c
View File

@ -178,7 +178,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
if (p->len >= hdrlen_bytes) {
/* all options are in the first pbuf */
tcphdr_opt1len = tcphdr_optlen;
pbuf_header(p, (s16_t)-(s16_t)hdrlen_bytes); /* cannot fail */
pbuf_remove_header(p, hdrlen_bytes); /* cannot fail */
} else {
u16_t opt2len;
/* TCP header fits into first pbuf, options don't - data is in the next pbuf */
@ -186,7 +186,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
LWIP_ASSERT("p->next != NULL", p->next != NULL);
/* advance over the TCP header (cannot fail) */
pbuf_header(p, -TCP_HLEN);
pbuf_remove_header(p, TCP_HLEN);
/* determine how long the first and second parts of the options are */
tcphdr_opt1len = p->len;
@ -194,7 +194,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
/* options continue in the next pbuf: set p to zero length and hide the
options in the next pbuf (adjusting p->tot_len) */
pbuf_header(p, (s16_t)-(s16_t)tcphdr_opt1len);
pbuf_remove_header(p, tcphdr_opt1len);
/* check that the options fit in the second pbuf */
if (opt2len > p->next->len) {
@ -209,7 +209,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
/* advance p->next to point after the options, and manually
adjust p->tot_len to keep it consistent with the changed p->next */
pbuf_header(p->next, (s16_t)-(s16_t)opt2len);
pbuf_remove_header(p->next, opt2len);
p->tot_len = (u16_t)(p->tot_len - opt2len);
LWIP_ASSERT("p->len == 0", p->len == 0);

2
src/core/tcp_out.c
View File

@ -210,7 +210,7 @@ tcp_create_segment(struct tcp_pcb *pcb, struct pbuf *p, u8_t flags, u32_t seqno,
#endif /* TCP_CHECKSUM_ON_COPY */
/* build TCP header */
if (pbuf_header(p, TCP_HLEN)) {
if (pbuf_add_header(p, TCP_HLEN)) {
LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("tcp_create_segment: no room for TCP header in pbuf.\n"));
TCP_STATS_INC(tcp.err);
tcp_seg_free(seg);

4
src/core/udp.c
View File

@ -342,7 +342,7 @@ udp_input(struct pbuf *p, struct netif *inp)
}
}
#endif /* CHECKSUM_CHECK_UDP */
if (pbuf_header(p, -UDP_HLEN)) {
if (pbuf_remove_header(p, UDP_HLEN)) {
/* Can we cope with this failing? Just assert for now */
LWIP_ASSERT("pbuf_header failed\n", 0);
UDP_STATS_INC(udp.drop);
@ -712,7 +712,7 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *d
return ERR_MEM;
}
/* not enough space to add an UDP header to first pbuf in given p chain? */
if (pbuf_header(p, UDP_HLEN)) {
if (pbuf_add_header(p, UDP_HLEN)) {
/* allocate header in a separate new pbuf */
q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM);
/* new header pbuf could not be allocated? */

22
src/netif/ethernet.c
View File

@ -83,7 +83,7 @@ ethernet_input(struct pbuf *p, struct netif *netif)
struct eth_hdr* ethhdr;
u16_t type;
#if LWIP_ARP || ETHARP_SUPPORT_VLAN || LWIP_IPV6
s16_t ip_hdr_offset = SIZEOF_ETH_HDR;
u16_t next_hdr_offset = SIZEOF_ETH_HDR;
#endif /* LWIP_ARP || ETHARP_SUPPORT_VLAN */
if (p->len <= SIZEOF_ETH_HDR) {
@ -133,7 +133,7 @@ ethernet_input(struct pbuf *p, struct netif *netif)
}
#endif /* defined(LWIP_HOOK_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK_FN) */
type = vlan->tpid;
ip_hdr_offset = SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR;
next_hdr_offset = SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR;
}
#endif /* ETHARP_SUPPORT_VLAN */
@ -173,10 +173,10 @@ ethernet_input(struct pbuf *p, struct netif *netif)
goto free_and_return;
}
/* skip Ethernet header */
if ((p->len < ip_hdr_offset) || pbuf_header(p, (s16_t)-ip_hdr_offset)) {
if ((p->len < next_hdr_offset) || pbuf_remove_header(p, next_hdr_offset)) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING,
("ethernet_input: IPv4 packet dropped, too short (%"S16_F"/%"S16_F")\n",
p->tot_len, ip_hdr_offset));
("ethernet_input: IPv4 packet dropped, too short (%"U16_F"/%"U16_F")\n",
p->tot_len, next_hdr_offset));
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("Can't move over header in packet"));
goto free_and_return;
} else {
@ -190,10 +190,10 @@ ethernet_input(struct pbuf *p, struct netif *netif)
goto free_and_return;
}
/* skip Ethernet header */
if ((p->len < ip_hdr_offset) || pbuf_header(p, (s16_t)-ip_hdr_offset)) {
if ((p->len < next_hdr_offset) || pbuf_remove_header(p, next_hdr_offset)) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING,
("ethernet_input: ARP response packet dropped, too short (%"S16_F"/%"S16_F")\n",
p->tot_len, ip_hdr_offset));
("ethernet_input: ARP response packet dropped, too short (%"U16_F"/%"U16_F")\n",
p->tot_len, next_hdr_offset));
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("Can't move over header in packet"));
ETHARP_STATS_INC(etharp.lenerr);
ETHARP_STATS_INC(etharp.drop);
@ -217,10 +217,10 @@ ethernet_input(struct pbuf *p, struct netif *netif)
#if LWIP_IPV6
case PP_HTONS(ETHTYPE_IPV6): /* IPv6 */
/* skip Ethernet header */
if ((p->len < ip_hdr_offset) || pbuf_header(p, (s16_t)-ip_hdr_offset)) {
if ((p->len < next_hdr_offset) || pbuf_remove_header(p, next_hdr_offset)) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING,
("ethernet_input: IPv6 packet dropped, too short (%"S16_F"/%"S16_F")\n",
p->tot_len, ip_hdr_offset));
("ethernet_input: IPv6 packet dropped, too short (%"U16_F"/%"U16_F")\n",
p->tot_len, next_hdr_offset));
goto free_and_return;
} else {
/* pass to IPv6 layer */

8
src/netif/ethernetif.c
View File

@ -142,7 +142,7 @@ low_level_output(struct netif *netif, struct pbuf *p)
initiate transfer();
#if ETH_PAD_SIZE
pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
pbuf_remove_header(p, ETH_PAD_SIZE); /* drop the padding word */
#endif
for (q = p; q != NULL; q = q->next) {
@ -165,7 +165,7 @@ low_level_output(struct netif *netif, struct pbuf *p)
/* increase ifoutdiscards or ifouterrors on error */
#if ETH_PAD_SIZE
pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
pbuf_add_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endif
LINK_STATS_INC(link.xmit);
@ -202,7 +202,7 @@ low_level_input(struct netif *netif)
if (p != NULL) {
#if ETH_PAD_SIZE
pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
pbuf_remove_header(p, ETH_PAD_SIZE); /* drop the padding word */
#endif
/* We iterate over the pbuf chain until we have read the entire
@ -229,7 +229,7 @@ low_level_input(struct netif *netif)
MIB2_STATS_NETIF_INC(netif, ifinucastpkts);
}
#if ETH_PAD_SIZE
pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
pbuf_add_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endif
LINK_STATS_INC(link.recv);

16
src/netif/lowpan6.c
View File

@ -411,7 +411,7 @@ lowpan6_frag(struct netif *netif, struct pbuf *p, const struct ieee_802154_addr
}
/* Move to payload. */
pbuf_header(p, -IP6_HLEN);
pbuf_remove_header(p, IP6_HLEN);
#if LWIP_UDP
/* Compress UDP header? */
@ -451,7 +451,7 @@ lowpan6_frag(struct netif *netif, struct pbuf *p, const struct ieee_802154_addr
buffer[ieee_header_len + lowpan6_header_len++] = ((u8_t *)p->payload)[6];
buffer[ieee_header_len + lowpan6_header_len++] = ((u8_t *)p->payload)[7];
pbuf_header(p, -UDP_HLEN);
pbuf_remove_header(p, UDP_HLEN);
}
#endif /* LWIP_UDP */
}
@ -695,7 +695,7 @@ lowpan6_decompress(struct pbuf * p, struct ieee_802154_addr * src, struct ieee_8
{
struct pbuf * q;
u8_t * lowpan6_buffer;
s8_t lowpan6_offset;
u16_t lowpan6_offset;
struct ip6_hdr *ip6hdr;
s8_t i;
s8_t ip6_offset = IP6_HLEN;
@ -963,7 +963,7 @@ lowpan6_decompress(struct pbuf * p, struct ieee_802154_addr * src, struct ieee_8
/* Now we copy leftover contents from p to q, so we have all L2 and L3 headers (and L4?) in a single PBUF.
* Replace p with q, and free p */
pbuf_header(p, -lowpan6_offset);
pbuf_remove_header(p, lowpan6_offset);
MEMCPY((u8_t*)q->payload + ip6_offset, p->payload, p->len);
q->len = q->tot_len = ip6_offset + p->len;
if (p->next != NULL) {
@ -1021,7 +1021,7 @@ lowpan6_input(struct pbuf * p, struct netif *netif)
datagram_offset += 2;
}
pbuf_header(p, -datagram_offset); /* hide IEEE802.15.4 header. */
pbuf_remove_header(p, datagram_offset); /* hide IEEE802.15.4 header. */
/* Check dispatch. */
puc = (u8_t*)p->payload;
@ -1058,7 +1058,7 @@ lowpan6_input(struct pbuf * p, struct netif *netif)
}
}
pbuf_header(p, -4); /* hide frag1 dispatch */
pbuf_remove_header(p, 4); /* hide frag1 dispatch */
lrh = (struct lowpan6_reass_helper *) mem_malloc(sizeof(struct lowpan6_reass_helper));
if (lrh == NULL) {
@ -1084,7 +1084,7 @@ lowpan6_input(struct pbuf * p, struct netif *netif)
datagram_size = ((u16_t)(puc[0] & 0x07) << 8) | (u16_t)puc[1];
datagram_tag = ((u16_t)puc[2] << 8) | (u16_t)puc[3];
datagram_offset = (u16_t)puc[4] << 3;
pbuf_header(p, -5); /* hide frag1 dispatch */
pbuf_remove_header(p, 5); /* hide frag1 dispatch */
for (lrh = reass_list; lrh != NULL; lrh = lrh->next_packet) {
if ((lrh->sender_addr.addr_len == src.addr_len) &&
@ -1141,7 +1141,7 @@ lowpan6_input(struct pbuf * p, struct netif *netif)
if (*puc == 0x41) {
/* This is a complete IPv6 packet, just skip dispatch byte. */
pbuf_header(p, -1); /* hide dispatch byte. */
pbuf_remove_header(p, 1); /* hide dispatch byte. */
} else if ((*puc & 0xe0 )== 0x60) {
/* IPv6 headers are compressed using IPHC. */
p = lowpan6_decompress(p, &src, &dest);