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gnrc_sixlowpan_frag: move public rbuf functions to their own module

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This commit is contained in:
Martine S. Lenders 2019-09-27 18:17:07 +02:00
parent 2d9ba56c2c
commit 1f7770da5c
6 changed files with 96 additions and 57 deletions
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1
Makefile.dep
View File

@ -212,6 +212,7 @@ endif
ifneq (,$(filter gnrc_sixlowpan_frag,$(USEMODULE)))
USEMODULE += gnrc_sixlowpan
USEMODULE += gnrc_sixlowpan_frag_rb
USEMODULE += xtimer
endif

3
sys/Makefile.include
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@ -5,6 +5,9 @@ endif
ifneq (,$(filter gnrc_netif,$(USEMODULE)))
USEMODULE_INCLUDES += $(RIOTBASE)/sys/net/gnrc/netif/include
endif
ifneq (,$(filter gnrc_sixlowpan_frag_rb,$(USEMODULE)))
USEMODULE_INCLUDES += $(RIOTBASE)/sys/net/gnrc/network_layer/sixlowpan/frag
endif
ifneq (,$(filter gnrc_sock,$(USEMODULE)))
USEMODULE_INCLUDES += $(RIOTBASE)/sys/net/gnrc/sock/include
ifneq (,$(filter gnrc_ipv6,$(USEMODULE)))

3
sys/net/gnrc/Makefile
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@ -91,6 +91,9 @@ endif
ifneq (,$(filter gnrc_sixlowpan_frag,$(USEMODULE)))
DIRS += network_layer/sixlowpan/frag
endif
ifneq (,$(filter gnrc_sixlowpan_frag_rb,$(USEMODULE)))
DIRS += network_layer/sixlowpan/frag/rb
endif
ifneq (,$(filter gnrc_sixlowpan_frag_vrb,$(USEMODULE)))
DIRS += network_layer/sixlowpan/frag/vrb
endif

57
sys/net/gnrc/network_layer/sixlowpan/frag/gnrc_sixlowpan_frag.c
View File

@ -368,61 +368,4 @@ uint16_t gnrc_sixlowpan_frag_next_tag(void)
return (++_current_tag);
}
void gnrc_sixlowpan_frag_rbuf_base_rm(gnrc_sixlowpan_rbuf_base_t *entry)
{
while (entry->ints != NULL) {
gnrc_sixlowpan_rbuf_int_t *next = entry->ints->next;
entry->ints->start = 0;
entry->ints->end = 0;
entry->ints->next = NULL;
entry->ints = next;
}
entry->datagram_size = 0;
}
void gnrc_sixlowpan_frag_rbuf_gc(void)
{
rbuf_gc();
}
void gnrc_sixlowpan_frag_rbuf_remove(gnrc_sixlowpan_rbuf_t *rbuf)
{
assert(rbuf != NULL);
rbuf_rm(rbuf);
}
void gnrc_sixlowpan_frag_rbuf_dispatch_when_complete(gnrc_sixlowpan_rbuf_t *rbuf,
gnrc_netif_hdr_t *netif_hdr)
{
assert(rbuf);
assert(netif_hdr);
if (rbuf->super.current_size == rbuf->super.datagram_size) {
gnrc_pktsnip_t *netif = gnrc_netif_hdr_build(rbuf->super.src,
rbuf->super.src_len,
rbuf->super.dst,
rbuf->super.dst_len);
if (netif == NULL) {
DEBUG("6lo rbuf: error allocating netif header\n");
gnrc_pktbuf_release(rbuf->pkt);
gnrc_sixlowpan_frag_rbuf_remove(rbuf);
return;
}
/* copy the transmit information of the latest fragment into the newly
* created header to have some link_layer information. The link_layer
* info of the previous fragments is discarded.
*/
gnrc_netif_hdr_t *new_netif_hdr = netif->data;
new_netif_hdr->if_pid = netif_hdr->if_pid;
new_netif_hdr->flags = netif_hdr->flags;
new_netif_hdr->lqi = netif_hdr->lqi;
new_netif_hdr->rssi = netif_hdr->rssi;
LL_APPEND(rbuf->pkt, netif);
gnrc_sixlowpan_dispatch_recv(rbuf->pkt, NULL, 0);
gnrc_sixlowpan_frag_rbuf_remove(rbuf);
}
}
/** @} */

3
sys/net/gnrc/network_layer/sixlowpan/frag/rb/Makefile Normal file
View File

@ -0,0 +1,3 @@
MODULE := gnrc_sixlowpan_frag_rb
include $(RIOTBASE)/Makefile.base

86
sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c Normal file
View File

@ -0,0 +1,86 @@
/*
* Copyright (C) 2019 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
* @author Martine Lenders <m.lenders@fu-berlin.de>
*/
#include "net/ieee802154.h"
#include "net/gnrc/netif/hdr.h"
#include "net/gnrc/pkt.h"
#include "net/gnrc/sixlowpan.h"
#include "net/gnrc/sixlowpan/frag/rb.h"
#include "rbuf.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
void gnrc_sixlowpan_frag_rbuf_base_rm(gnrc_sixlowpan_rbuf_base_t *entry)
{
while (entry->ints != NULL) {
gnrc_sixlowpan_rbuf_int_t *next = entry->ints->next;
entry->ints->start = 0;
entry->ints->end = 0;
entry->ints->next = NULL;
entry->ints = next;
}
entry->datagram_size = 0;
}
void gnrc_sixlowpan_frag_rbuf_gc(void)
{
rbuf_gc();
}
void gnrc_sixlowpan_frag_rbuf_remove(gnrc_sixlowpan_rbuf_t *rbuf)
{
assert(rbuf != NULL);
rbuf_rm(rbuf);
}
void gnrc_sixlowpan_frag_rbuf_dispatch_when_complete(gnrc_sixlowpan_rbuf_t *rbuf,
gnrc_netif_hdr_t *netif_hdr)
{
assert(rbuf);
assert(netif_hdr);
if (rbuf->super.current_size == rbuf->super.datagram_size) {
gnrc_pktsnip_t *netif = gnrc_netif_hdr_build(rbuf->super.src,
rbuf->super.src_len,
rbuf->super.dst,
rbuf->super.dst_len);
if (netif == NULL) {
DEBUG("6lo rbuf: error allocating netif header\n");
gnrc_pktbuf_release(rbuf->pkt);
gnrc_sixlowpan_frag_rbuf_remove(rbuf);
return;
}
/* copy the transmit information of the latest fragment into the newly
* created header to have some link_layer information. The link_layer
* info of the previous fragments is discarded.
*/
gnrc_netif_hdr_t *new_netif_hdr = netif->data;
new_netif_hdr->if_pid = netif_hdr->if_pid;
new_netif_hdr->flags = netif_hdr->flags;
new_netif_hdr->lqi = netif_hdr->lqi;
new_netif_hdr->rssi = netif_hdr->rssi;
LL_APPEND(rbuf->pkt, netif);
gnrc_sixlowpan_dispatch_recv(rbuf->pkt, NULL, 0);
gnrc_sixlowpan_frag_rbuf_remove(rbuf);
}
}
/** @} */