Introduce a function rn_detachhead() that will free the
radix table root nodes. This is only needed (and available) in the virtualization case to free the resources when tearing down a virtual network stack. Sponsored by: ISPsystem Reviewed by: julian, zec MFC after: 5 days
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=204808
@ -1161,6 +1161,24 @@ rn_inithead(head, off)
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return (1);
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}
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#ifdef VIMAGE
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int
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rn_detachhead(void **head)
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{
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struct radix_node_head *rnh;
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KASSERT((head != NULL && *head != NULL),
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("%s: head already freed", __func__));
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rnh = *head;
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/* Free <left,root,right> nodes. */
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Free(rnh);
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*head = NULL;
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return (1);
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}
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#endif
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void
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rn_init(int maxk)
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{
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@ -162,6 +162,9 @@ struct radix_node_head {
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void rn_init(int);
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int rn_inithead(void **, int);
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#ifdef VIMAGE
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int rn_detachhead(void **);
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#endif
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int rn_refines(void *, void *);
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struct radix_node
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*rn_addmask(void *, int, int),
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