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ndpi: minor optimization

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Check protocol before doing more expensive work.
This commit is contained in:
Victor Julien
2026-02-20 08:06:56 +00:00
parent 278da4bc6a
commit 28ba93e60c
1 changed files with 9 additions and 9 deletions
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plugins/ndpi/ndpi.c
+9 -9
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@@ -92,21 +92,21 @@ static void OnFlowInit(ThreadVars *tv, Flow *f, const Packet *p, void *_data)
static void OnFlowUpdate(ThreadVars *tv, Flow *f, Packet *p, void *_data)
{
struct NdpiThreadContext *threadctx = ThreadGetStorageById(tv, thread_storage_id);
struct NdpiFlowContext *flowctx = FlowGetStorageById(f, flow_storage_id);
uint16_t ip_len = 0;
void *ip_ptr = NULL;
if (!threadctx->ndpi || !flowctx->ndpi_flow) {
return;
}
/* Ignore packets that have a different protocol than the
* flow. This can happen with ICMP unreachable packets. */
if (p->proto != f->proto) {
return;
}
uint16_t ip_len = 0;
void *ip_ptr = NULL;
struct NdpiThreadContext *threadctx = ThreadGetStorageById(tv, thread_storage_id);
struct NdpiFlowContext *flowctx = FlowGetStorageById(f, flow_storage_id);
if (!threadctx->ndpi || !flowctx->ndpi_flow) {
return;
}
if (PacketIsIPv4(p)) {
const IPV4Hdr *ip4h = PacketGetIPv4(p);
ip_len = IPV4_GET_RAW_IPLEN(ip4h);