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Added a test for fast-rexmit

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This commit is contained in:
goldsimon
2011-05-14 15:26:43 +00:00
parent a444ec5111
commit 33a587d97e
3 changed files with 222 additions and 1 deletions
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38
test/unit/tcp/tcp_helper.c
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@@ -45,7 +45,7 @@ tcp_create_rx_segment(struct tcp_pcb* pcb, void* data, size_t data_len, u32_t se
u32_t ackno_offset, u8_t headerflags)
{
return tcp_create_segment(&pcb->remote_ip, &pcb->local_ip, pcb->remote_port, pcb->local_port,
data, data_len, pcb->rcv_nxt + seqno_offset, pcb->snd_nxt + ackno_offset, headerflags);
data, data_len, pcb->rcv_nxt + seqno_offset, pcb->lastack + ackno_offset, headerflags);
}
/** Create a TCP segment usable for passing to tcp_input */
@@ -191,6 +191,7 @@ test_tcp_new_counters_pcb(struct test_tcp_counters* counters)
tcp_arg(pcb, counters);
tcp_recv(pcb, test_tcp_counters_recv);
tcp_err(pcb, test_tcp_counters_err);
pcb->snd_wnd = TCP_WND;
}
return pcb;
}
@@ -211,3 +212,38 @@ void test_tcp_input(struct pbuf *p, struct netif *inp)
current_netif = NULL;
current_header = NULL;
}
static err_t test_tcp_netif_output(struct netif *netif, struct pbuf *p,
ip_addr_t *ipaddr)
{
struct test_tcp_txcounters *txcounters = (struct test_tcp_txcounters*)netif->state;
LWIP_UNUSED_ARG(ipaddr);
txcounters->num_tx_calls++;
txcounters->num_tx_bytes += p->tot_len;
/*if (txcounters->tx_packets == NULL) {
txcounters->tx_packets = p;
} else {
pbuf_cat(txcounters->tx_packets, p);
}*/
return ERR_OK;
}
void test_tcp_init_netif(struct netif *netif, struct test_tcp_txcounters *txcounters,
ip_addr_t *ip_addr, ip_addr_t *netmask)
{
struct netif *n;
memset(netif, 0, sizeof(struct netif));
memset(txcounters, 0, sizeof(struct test_tcp_txcounters));
netif->output = test_tcp_netif_output;
netif->state = txcounters;
netif->flags |= NETIF_FLAG_UP;
ip_addr_copy(netif->netmask, *netmask);
ip_addr_copy(netif->ip_addr, *ip_addr);
for (n = netif_list; n != NULL; n = n->next) {
if (n == netif) {
return;
}
}
netif->next = NULL;
netif_list = netif;
}