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ipv6/nib: _nib_offl_clear() delete offlink entry when mode is not zero

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This commit is contained in:
Fabian Hüßler 2022-11-13 21:52:20 +01:00 committed by Fabian Hüßler
parent d5d4fc869a
commit 1d3b320c2e
1 changed files with 19 additions and 11 deletions
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8
sys/net/gnrc/network_layer/ipv6/nib/_nib-internal.c
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@ -25,6 +25,7 @@
#include "net/gnrc/ipv6/nib/nc.h" #include "net/gnrc/ipv6/nib/nc.h"
#include "net/gnrc/ipv6/nib.h" #include "net/gnrc/ipv6/nib.h"
#include "net/gnrc/netif/internal.h" #include "net/gnrc/netif/internal.h"
#include "net/ipv6/addr.h"
#include "random.h" #include "random.h"
#include "_nib-internal.h" #include "_nib-internal.h"
@ -552,6 +553,7 @@ static inline bool _in_abrs(const _nib_abr_entry_t *abr)
void _nib_offl_clear(_nib_offl_entry_t *dst) void _nib_offl_clear(_nib_offl_entry_t *dst)
{ {
if (dst->mode == _EMPTY) {
if (dst->next_hop != NULL) { if (dst->next_hop != NULL) {
_nib_offl_entry_t *ptr; _nib_offl_entry_t *ptr;
for (ptr = _dsts; _in_dsts(ptr); ptr++) { for (ptr = _dsts; _in_dsts(ptr); ptr++) {
@ -565,8 +567,14 @@ void _nib_offl_clear(_nib_offl_entry_t *dst)
dst->next_hop->mode &= ~(_DST); dst->next_hop->mode &= ~(_DST);
_nib_onl_clear(dst->next_hop); _nib_onl_clear(dst->next_hop);
} }
}
memset(dst, 0, sizeof(_nib_offl_entry_t)); memset(dst, 0, sizeof(_nib_offl_entry_t));
} }
else {
DEBUG("nib: offlink entry %s/%u with mode %u not cleared\n",
ipv6_addr_to_str(addr_str, &dst->pfx, sizeof(addr_str)),
dst->pfx_len, dst->mode);
}
} }
_nib_offl_entry_t *_nib_offl_iter(const _nib_offl_entry_t *last) _nib_offl_entry_t *_nib_offl_iter(const _nib_offl_entry_t *last)