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isisd: Fix issues with purged fragments
Purged fragments would always be reoriginated by isisd. They should only be purged once and never be reoriginated. Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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@ -406,8 +406,12 @@ static void lsp_seqno_update(struct isis_lsp *lsp0)
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for (ALL_LIST_ELEMENTS_RO(lsp0->lspu.frags, node, lsp)) {
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if (lsp->tlvs)
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lsp_inc_seqno(lsp, 0);
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else
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else if (lsp->hdr.rem_lifetime) {
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/* Purge should only be applied when the fragment has
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* non-zero remaining lifetime.
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*/
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lsp_purge(lsp, lsp0->level, NULL);
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}
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}
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return;
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@ -1306,6 +1310,13 @@ static int lsp_regenerate(struct isis_area *area, int level)
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lsp->last_generated = time(NULL);
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lsp_flood(lsp, NULL);
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for (ALL_LIST_ELEMENTS_RO(lsp->lspu.frags, node, frag)) {
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if (!frag->tlvs) {
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/* Updating and flooding should only affect fragments
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* carrying data
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*/
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continue;
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}
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frag->hdr.lsp_bits = lsp_bits_generate(
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level, area->overload_bit, area->attached_bit);
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/* Set the lifetime values of all the fragments to the same
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