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Hook up TCP cachehit stat
This commit hooks up the TCP cachehit stat to the PCB locality feature so that when a PCB is moved to the head of the list and a segment comes in, we consider this a cache hit This also matches the usage of the cachehit stat in UDP
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parent
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commit
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@ -226,6 +226,8 @@ tcp_input(struct pbuf *p, struct netif *inp)
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prev->next = pcb->next;
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prev->next = pcb->next;
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pcb->next = tcp_active_pcbs;
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pcb->next = tcp_active_pcbs;
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tcp_active_pcbs = pcb;
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tcp_active_pcbs = pcb;
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} else {
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TCP_STATS_INC(tcp.cachehit);
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}
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}
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LWIP_ASSERT("tcp_input: pcb->next != pcb (after cache)", pcb->next != pcb);
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LWIP_ASSERT("tcp_input: pcb->next != pcb (after cache)", pcb->next != pcb);
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break;
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break;
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@ -303,6 +305,8 @@ tcp_input(struct pbuf *p, struct netif *inp)
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lpcb->next = tcp_listen_pcbs.listen_pcbs;
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lpcb->next = tcp_listen_pcbs.listen_pcbs;
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/* put this listening pcb at the head of the listening list */
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/* put this listening pcb at the head of the listening list */
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tcp_listen_pcbs.listen_pcbs = lpcb;
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tcp_listen_pcbs.listen_pcbs = lpcb;
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} else {
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TCP_STATS_INC(tcp.cachehit);
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}
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}
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LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for LISTENing connection.\n"));
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LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for LISTENing connection.\n"));
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