+++ /dev/null
-#include "test_tcp_oos.h"
-
-#include "lwip/tcp_impl.h"
-#include "lwip/stats.h"
-#include "tcp_helper.h"
-
-#if !LWIP_STATS || !TCP_STATS || !MEMP_STATS
-#error "This tests needs TCP- and MEMP-statistics enabled"
-#endif
-#if !TCP_QUEUE_OOSEQ
-#error "This tests needs TCP_QUEUE_OOSEQ enabled"
-#endif
-
-/** CHECK_SEGMENTS_ON_OOSEQ:
- * 1: check count, seqno and len of segments on pcb->ooseq (strict)
- * 0: only check that bytes are received in correct order (less strict) */
-#define CHECK_SEGMENTS_ON_OOSEQ 1
-
-#if CHECK_SEGMENTS_ON_OOSEQ
-#define EXPECT_OOSEQ(x) EXPECT(x)
-#else
-#define EXPECT_OOSEQ(x)
-#endif
-
-/* helper functions */
-
-/** Get the numbers of segments on the ooseq list */
-static int tcp_oos_count(struct tcp_pcb* pcb)
-{
- int num = 0;
- struct tcp_seg* seg = pcb->ooseq;
- while(seg != NULL) {
- num++;
- seg = seg->next;
- }
- return num;
-}
-
-/** Get the numbers of pbufs on the ooseq list */
-static int tcp_oos_pbuf_count(struct tcp_pcb* pcb)
-{
- int num = 0;
- struct tcp_seg* seg = pcb->ooseq;
- while(seg != NULL) {
- num += pbuf_clen(seg->p);
- seg = seg->next;
- }
- return num;
-}
-
-/** Get the seqno of a segment (by index) on the ooseq list
- *
- * @param pcb the pcb to check for ooseq segments
- * @param seg_index index of the segment on the ooseq list
- * @return seqno of the segment
- */
-static u32_t
-tcp_oos_seg_seqno(struct tcp_pcb* pcb, int seg_index)
-{
- int num = 0;
- struct tcp_seg* seg = pcb->ooseq;
-
- /* then check the actual segment */
- while(seg != NULL) {
- if(num == seg_index) {
- return seg->tcphdr->seqno;
- }
- num++;
- seg = seg->next;
- }
- fail();
- return 0;
-}
-
-/** Get the tcplen (datalen + SYN/FIN) of a segment (by index) on the ooseq list
- *
- * @param pcb the pcb to check for ooseq segments
- * @param seg_index index of the segment on the ooseq list
- * @return tcplen of the segment
- */
-static int
-tcp_oos_seg_tcplen(struct tcp_pcb* pcb, int seg_index)
-{
- int num = 0;
- struct tcp_seg* seg = pcb->ooseq;
-
- /* then check the actual segment */
- while(seg != NULL) {
- if(num == seg_index) {
- return TCP_TCPLEN(seg);
- }
- num++;
- seg = seg->next;
- }
- fail();
- return -1;
-}
-
-/** Get the tcplen (datalen + SYN/FIN) of all segments on the ooseq list
- *
- * @param pcb the pcb to check for ooseq segments
- * @return tcplen of all segment
- */
-static int
-tcp_oos_tcplen(struct tcp_pcb* pcb)
-{
- int len = 0;
- struct tcp_seg* seg = pcb->ooseq;
-
- /* then check the actual segment */
- while(seg != NULL) {
- len += TCP_TCPLEN(seg);
- seg = seg->next;
- }
- return len;
-}
-
-/* Setup/teardown functions */
-
-static void
-tcp_oos_setup(void)
-{
- tcp_remove_all();
-}
-
-static void
-tcp_oos_teardown(void)
-{
- tcp_remove_all();
- netif_list = NULL;
- netif_default = NULL;
-}
-
-
-
-/* Test functions */
-
-/** create multiple segments and pass them to tcp_input in a wrong
- * order to see if ooseq-caching works correctly
- * FIN is received in out-of-sequence segments only */
-START_TEST(test_tcp_recv_ooseq_FIN_OOSEQ)
-{
- struct test_tcp_counters counters;
- struct tcp_pcb* pcb;
- struct pbuf *p_8_9, *p_4_8, *p_4_10, *p_2_14, *p_fin, *pinseq;
- char data[] = {
- 1, 2, 3, 4,
- 5, 6, 7, 8,
- 9, 10, 11, 12,
- 13, 14, 15, 16};
- ip_addr_t remote_ip, local_ip, netmask;
- u16_t data_len;
- u16_t remote_port = 0x100, local_port = 0x101;
- struct netif netif;
- LWIP_UNUSED_ARG(_i);
-
- /* initialize local vars */
- memset(&netif, 0, sizeof(netif));
- IP4_ADDR(&local_ip, 192, 168, 1, 1);
- IP4_ADDR(&remote_ip, 192, 168, 1, 2);
- IP4_ADDR(&netmask, 255, 255, 255, 0);
- test_tcp_init_netif(&netif, NULL, &local_ip, &netmask);
- data_len = sizeof(data);
- /* initialize counter struct */
- memset(&counters, 0, sizeof(counters));
- counters.expected_data_len = data_len;
- counters.expected_data = data;
-
- /* create and initialize the pcb */
- pcb = test_tcp_new_counters_pcb(&counters);
- EXPECT_RET(pcb != NULL);
- tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
-
- /* create segments */
- /* pinseq is sent as last segment! */
- pinseq = tcp_create_rx_segment(pcb, &data[0], 4, 0, 0, TCP_ACK);
- /* p1: 8 bytes before FIN */
- /* seqno: 8..16 */
- p_8_9 = tcp_create_rx_segment(pcb, &data[8], 8, 8, 0, TCP_ACK|TCP_FIN);
- /* p2: 4 bytes before p1, including the first 4 bytes of p1 (partly duplicate) */
- /* seqno: 4..11 */
- p_4_8 = tcp_create_rx_segment(pcb, &data[4], 8, 4, 0, TCP_ACK);
- /* p3: same as p2 but 2 bytes longer */
- /* seqno: 4..13 */
- p_4_10 = tcp_create_rx_segment(pcb, &data[4], 10, 4, 0, TCP_ACK);
- /* p4: 14 bytes before FIN, includes data from p1 and p2, plus partly from pinseq */
- /* seqno: 2..15 */
- p_2_14 = tcp_create_rx_segment(pcb, &data[2], 14, 2, 0, TCP_ACK);
- /* FIN, seqno 16 */
- p_fin = tcp_create_rx_segment(pcb, NULL, 0,16, 0, TCP_ACK|TCP_FIN);
- EXPECT(pinseq != NULL);
- EXPECT(p_8_9 != NULL);
- EXPECT(p_4_8 != NULL);
- EXPECT(p_4_10 != NULL);
- EXPECT(p_2_14 != NULL);
- EXPECT(p_fin != NULL);
- if ((pinseq != NULL) && (p_8_9 != NULL) && (p_4_8 != NULL) && (p_4_10 != NULL) && (p_2_14 != NULL) && (p_fin != NULL)) {
- /* pass the segment to tcp_input */
- test_tcp_input(p_8_9, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 8);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 9); /* includes FIN */
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_4_8, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 4);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 4);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 1) == 8);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 1) == 9); /* includes FIN */
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_4_10, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* ooseq queue: unchanged */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 4);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 4);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 1) == 8);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 1) == 9); /* includes FIN */
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_2_14, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 15); /* includes FIN */
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_fin, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* ooseq queue: unchanged */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 15); /* includes FIN */
-
- /* pass the segment to tcp_input */
- test_tcp_input(pinseq, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 1);
- EXPECT(counters.recv_calls == 1);
- EXPECT(counters.recved_bytes == data_len);
- EXPECT(counters.err_calls == 0);
- EXPECT(pcb->ooseq == NULL);
- }
-
- /* make sure the pcb is freed */
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
- tcp_abort(pcb);
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
-}
-END_TEST
-
-
-/** create multiple segments and pass them to tcp_input in a wrong
- * order to see if ooseq-caching works correctly
- * FIN is received IN-SEQUENCE at the end */
-START_TEST(test_tcp_recv_ooseq_FIN_INSEQ)
-{
- struct test_tcp_counters counters;
- struct tcp_pcb* pcb;
- struct pbuf *p_1_2, *p_4_8, *p_3_11, *p_2_12, *p_15_1, *p_15_1a, *pinseq, *pinseqFIN;
- char data[] = {
- 1, 2, 3, 4,
- 5, 6, 7, 8,
- 9, 10, 11, 12,
- 13, 14, 15, 16};
- ip_addr_t remote_ip, local_ip, netmask;
- u16_t data_len;
- u16_t remote_port = 0x100, local_port = 0x101;
- struct netif netif;
- LWIP_UNUSED_ARG(_i);
-
- /* initialize local vars */
- memset(&netif, 0, sizeof(netif));
- IP4_ADDR(&local_ip, 192, 168, 1, 1);
- IP4_ADDR(&remote_ip, 192, 168, 1, 2);
- IP4_ADDR(&netmask, 255, 255, 255, 0);
- test_tcp_init_netif(&netif, NULL, &local_ip, &netmask);
- data_len = sizeof(data);
- /* initialize counter struct */
- memset(&counters, 0, sizeof(counters));
- counters.expected_data_len = data_len;
- counters.expected_data = data;
-
- /* create and initialize the pcb */
- pcb = test_tcp_new_counters_pcb(&counters);
- EXPECT_RET(pcb != NULL);
- tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
-
- /* create segments */
- /* p1: 7 bytes - 2 before FIN */
- /* seqno: 1..2 */
- p_1_2 = tcp_create_rx_segment(pcb, &data[1], 2, 1, 0, TCP_ACK);
- /* p2: 4 bytes before p1, including the first 4 bytes of p1 (partly duplicate) */
- /* seqno: 4..11 */
- p_4_8 = tcp_create_rx_segment(pcb, &data[4], 8, 4, 0, TCP_ACK);
- /* p3: same as p2 but 2 bytes longer and one byte more at the front */
- /* seqno: 3..13 */
- p_3_11 = tcp_create_rx_segment(pcb, &data[3], 11, 3, 0, TCP_ACK);
- /* p4: 13 bytes - 2 before FIN - should be ignored as contained in p1 and p3 */
- /* seqno: 2..13 */
- p_2_12 = tcp_create_rx_segment(pcb, &data[2], 12, 2, 0, TCP_ACK);
- /* pinseq is the first segment that is held back to create ooseq! */
- /* seqno: 0..3 */
- pinseq = tcp_create_rx_segment(pcb, &data[0], 4, 0, 0, TCP_ACK);
- /* p5: last byte before FIN */
- /* seqno: 15 */
- p_15_1 = tcp_create_rx_segment(pcb, &data[15], 1, 15, 0, TCP_ACK);
- /* p6: same as p5, should be ignored */
- p_15_1a= tcp_create_rx_segment(pcb, &data[15], 1, 15, 0, TCP_ACK);
- /* pinseqFIN: last 2 bytes plus FIN */
- /* only segment containing seqno 14 and FIN */
- pinseqFIN = tcp_create_rx_segment(pcb, &data[14], 2, 14, 0, TCP_ACK|TCP_FIN);
- EXPECT(pinseq != NULL);
- EXPECT(p_1_2 != NULL);
- EXPECT(p_4_8 != NULL);
- EXPECT(p_3_11 != NULL);
- EXPECT(p_2_12 != NULL);
- EXPECT(p_15_1 != NULL);
- EXPECT(p_15_1a != NULL);
- EXPECT(pinseqFIN != NULL);
- if ((pinseq != NULL) && (p_1_2 != NULL) && (p_4_8 != NULL) && (p_3_11 != NULL) && (p_2_12 != NULL)
- && (p_15_1 != NULL) && (p_15_1a != NULL) && (pinseqFIN != NULL)) {
- /* pass the segment to tcp_input */
- test_tcp_input(p_1_2, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 2);
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_4_8, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 1) == 4);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 1) == 8);
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_3_11, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 2);
- /* p_3_11 has removed p_4_8 from ooseq */
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 1) == 3);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 1) == 11);
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_2_12, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 1) == 2);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 1) == 12);
-
- /* pass the segment to tcp_input */
- test_tcp_input(pinseq, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 1);
- EXPECT(counters.recved_bytes == 14);
- EXPECT(counters.err_calls == 0);
- EXPECT(pcb->ooseq == NULL);
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_15_1, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 1);
- EXPECT(counters.recved_bytes == 14);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 15);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 1);
-
- /* pass the segment to tcp_input */
- test_tcp_input(p_15_1a, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 1);
- EXPECT(counters.recved_bytes == 14);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue: unchanged */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == 1);
- EXPECT_OOSEQ(tcp_oos_seg_seqno(pcb, 0) == 15);
- EXPECT_OOSEQ(tcp_oos_seg_tcplen(pcb, 0) == 1);
-
- /* pass the segment to tcp_input */
- test_tcp_input(pinseqFIN, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 1);
- EXPECT(counters.recv_calls == 2);
- EXPECT(counters.recved_bytes == data_len);
- EXPECT(counters.err_calls == 0);
- EXPECT(pcb->ooseq == NULL);
- }
-
- /* make sure the pcb is freed */
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
- tcp_abort(pcb);
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
-}
-END_TEST
-
-static char data_full_wnd[TCP_WND];
-
-/** create multiple segments and pass them to tcp_input with the first segment missing
- * to simulate overruning the rxwin with ooseq queueing enabled */
-START_TEST(test_tcp_recv_ooseq_overrun_rxwin)
-{
-#if !TCP_OOSEQ_MAX_BYTES && !TCP_OOSEQ_MAX_PBUFS
- int i, k;
- struct test_tcp_counters counters;
- struct tcp_pcb* pcb;
- struct pbuf *pinseq, *p_ovr;
- ip_addr_t remote_ip, local_ip, netmask;
- u16_t remote_port = 0x100, local_port = 0x101;
- struct netif netif;
- int datalen = 0;
- int datalen2;
-
- for(i = 0; i < sizeof(data_full_wnd); i++) {
- data_full_wnd[i] = (char)i;
- }
-
- /* initialize local vars */
- memset(&netif, 0, sizeof(netif));
- IP4_ADDR(&local_ip, 192, 168, 1, 1);
- IP4_ADDR(&remote_ip, 192, 168, 1, 2);
- IP4_ADDR(&netmask, 255, 255, 255, 0);
- test_tcp_init_netif(&netif, NULL, &local_ip, &netmask);
- /* initialize counter struct */
- memset(&counters, 0, sizeof(counters));
- counters.expected_data_len = TCP_WND;
- counters.expected_data = data_full_wnd;
-
- /* create and initialize the pcb */
- pcb = test_tcp_new_counters_pcb(&counters);
- EXPECT_RET(pcb != NULL);
- tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
- pcb->rcv_nxt = 0x8000;
-
- /* create segments */
- /* pinseq is sent as last segment! */
- pinseq = tcp_create_rx_segment(pcb, &data_full_wnd[0], TCP_MSS, 0, 0, TCP_ACK);
-
- for(i = TCP_MSS, k = 0; i < TCP_WND; i += TCP_MSS, k++) {
- int count, expected_datalen;
- struct pbuf *p = tcp_create_rx_segment(pcb, &data_full_wnd[TCP_MSS*(k+1)],
- TCP_MSS, TCP_MSS*(k+1), 0, TCP_ACK);
- EXPECT_RET(p != NULL);
- /* pass the segment to tcp_input */
- test_tcp_input(p, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- count = tcp_oos_count(pcb);
- EXPECT_OOSEQ(count == k+1);
- datalen = tcp_oos_tcplen(pcb);
- if (i + TCP_MSS < TCP_WND) {
- expected_datalen = (k+1)*TCP_MSS;
- } else {
- expected_datalen = TCP_WND - TCP_MSS;
- }
- if (datalen != expected_datalen) {
- EXPECT_OOSEQ(datalen == expected_datalen);
- }
- }
-
- /* pass in one more segment, cleary overrunning the rxwin */
- p_ovr = tcp_create_rx_segment(pcb, &data_full_wnd[TCP_MSS*(k+1)], TCP_MSS, TCP_MSS*(k+1), 0, TCP_ACK);
- EXPECT_RET(p_ovr != NULL);
- /* pass the segment to tcp_input */
- test_tcp_input(p_ovr, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == k);
- datalen2 = tcp_oos_tcplen(pcb);
- EXPECT_OOSEQ(datalen == datalen2);
-
- /* now pass inseq */
- test_tcp_input(pinseq, &netif);
- EXPECT(pcb->ooseq == NULL);
-
- /* make sure the pcb is freed */
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
- tcp_abort(pcb);
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
-#endif /* !TCP_OOSEQ_MAX_BYTES && !TCP_OOSEQ_MAX_PBUFS */
- LWIP_UNUSED_ARG(_i);
-}
-END_TEST
-
-START_TEST(test_tcp_recv_ooseq_max_bytes)
-{
-#if TCP_OOSEQ_MAX_BYTES && (TCP_OOSEQ_MAX_BYTES < (TCP_WND + 1)) && (PBUF_POOL_BUFSIZE >= (TCP_MSS + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))
- int i, k;
- struct test_tcp_counters counters;
- struct tcp_pcb* pcb;
- struct pbuf *p_ovr;
- ip_addr_t remote_ip, local_ip, netmask;
- u16_t remote_port = 0x100, local_port = 0x101;
- struct netif netif;
- int datalen = 0;
- int datalen2;
-
- for(i = 0; i < sizeof(data_full_wnd); i++) {
- data_full_wnd[i] = (char)i;
- }
-
- /* initialize local vars */
- memset(&netif, 0, sizeof(netif));
- IP4_ADDR(&local_ip, 192, 168, 1, 1);
- IP4_ADDR(&remote_ip, 192, 168, 1, 2);
- IP4_ADDR(&netmask, 255, 255, 255, 0);
- test_tcp_init_netif(&netif, NULL, &local_ip, &netmask);
- /* initialize counter struct */
- memset(&counters, 0, sizeof(counters));
- counters.expected_data_len = TCP_WND;
- counters.expected_data = data_full_wnd;
-
- /* create and initialize the pcb */
- pcb = test_tcp_new_counters_pcb(&counters);
- EXPECT_RET(pcb != NULL);
- tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
- pcb->rcv_nxt = 0x8000;
-
- /* don't 'recv' the first segment (1 byte) so that all other segments will be ooseq */
-
- /* create segments and 'recv' them */
- for(k = 1, i = 1; k < TCP_OOSEQ_MAX_BYTES; k += TCP_MSS, i++) {
- int count;
- struct pbuf *p = tcp_create_rx_segment(pcb, &data_full_wnd[k],
- TCP_MSS, k, 0, TCP_ACK);
- EXPECT_RET(p != NULL);
- EXPECT_RET(p->next == NULL);
- /* pass the segment to tcp_input */
- test_tcp_input(p, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- count = tcp_oos_pbuf_count(pcb);
- EXPECT_OOSEQ(count == i);
- datalen = tcp_oos_tcplen(pcb);
- EXPECT_OOSEQ(datalen == (i * TCP_MSS));
- }
-
- /* pass in one more segment, overrunning the limit */
- p_ovr = tcp_create_rx_segment(pcb, &data_full_wnd[k+1], 1, k+1, 0, TCP_ACK);
- EXPECT_RET(p_ovr != NULL);
- /* pass the segment to tcp_input */
- test_tcp_input(p_ovr, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue (ensure the new segment was not accepted) */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == (i-1));
- datalen2 = tcp_oos_tcplen(pcb);
- EXPECT_OOSEQ(datalen2 == ((i-1) * TCP_MSS));
-
- /* make sure the pcb is freed */
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
- tcp_abort(pcb);
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
-#endif /* TCP_OOSEQ_MAX_BYTES && (TCP_OOSEQ_MAX_BYTES < (TCP_WND + 1)) && (PBUF_POOL_BUFSIZE >= (TCP_MSS + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN)) */
- LWIP_UNUSED_ARG(_i);
-}
-END_TEST
-
-START_TEST(test_tcp_recv_ooseq_max_pbufs)
-{
-#if TCP_OOSEQ_MAX_PBUFS && (TCP_OOSEQ_MAX_PBUFS < ((TCP_WND / TCP_MSS) + 1)) && (PBUF_POOL_BUFSIZE >= (TCP_MSS + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))
- int i;
- struct test_tcp_counters counters;
- struct tcp_pcb* pcb;
- struct pbuf *p_ovr;
- ip_addr_t remote_ip, local_ip, netmask;
- u16_t remote_port = 0x100, local_port = 0x101;
- struct netif netif;
- int datalen = 0;
- int datalen2;
-
- for(i = 0; i < sizeof(data_full_wnd); i++) {
- data_full_wnd[i] = (char)i;
- }
-
- /* initialize local vars */
- memset(&netif, 0, sizeof(netif));
- IP4_ADDR(&local_ip, 192, 168, 1, 1);
- IP4_ADDR(&remote_ip, 192, 168, 1, 2);
- IP4_ADDR(&netmask, 255, 255, 255, 0);
- test_tcp_init_netif(&netif, NULL, &local_ip, &netmask);
- /* initialize counter struct */
- memset(&counters, 0, sizeof(counters));
- counters.expected_data_len = TCP_WND;
- counters.expected_data = data_full_wnd;
-
- /* create and initialize the pcb */
- pcb = test_tcp_new_counters_pcb(&counters);
- EXPECT_RET(pcb != NULL);
- tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
- pcb->rcv_nxt = 0x8000;
-
- /* don't 'recv' the first segment (1 byte) so that all other segments will be ooseq */
-
- /* create segments and 'recv' them */
- for(i = 1; i <= TCP_OOSEQ_MAX_PBUFS; i++) {
- int count;
- struct pbuf *p = tcp_create_rx_segment(pcb, &data_full_wnd[i],
- 1, i, 0, TCP_ACK);
- EXPECT_RET(p != NULL);
- EXPECT_RET(p->next == NULL);
- /* pass the segment to tcp_input */
- test_tcp_input(p, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue */
- count = tcp_oos_pbuf_count(pcb);
- EXPECT_OOSEQ(count == i);
- datalen = tcp_oos_tcplen(pcb);
- EXPECT_OOSEQ(datalen == i);
- }
-
- /* pass in one more segment, overrunning the limit */
- p_ovr = tcp_create_rx_segment(pcb, &data_full_wnd[i+1], 1, i+1, 0, TCP_ACK);
- EXPECT_RET(p_ovr != NULL);
- /* pass the segment to tcp_input */
- test_tcp_input(p_ovr, &netif);
- /* check if counters are as expected */
- EXPECT(counters.close_calls == 0);
- EXPECT(counters.recv_calls == 0);
- EXPECT(counters.recved_bytes == 0);
- EXPECT(counters.err_calls == 0);
- /* check ooseq queue (ensure the new segment was not accepted) */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == (i-1));
- datalen2 = tcp_oos_tcplen(pcb);
- EXPECT_OOSEQ(datalen2 == (i-1));
-
- /* make sure the pcb is freed */
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
- tcp_abort(pcb);
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
-#endif /* TCP_OOSEQ_MAX_PBUFS && (TCP_OOSEQ_MAX_BYTES < (TCP_WND + 1)) && (PBUF_POOL_BUFSIZE >= (TCP_MSS + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN)) */
- LWIP_UNUSED_ARG(_i);
-}
-END_TEST
-
-static void
-check_rx_counters(struct tcp_pcb *pcb, struct test_tcp_counters *counters, u32_t exp_close_calls, u32_t exp_rx_calls,
- u32_t exp_rx_bytes, u32_t exp_err_calls, int exp_oos_count, int exp_oos_len)
-{
- int oos_len;
- EXPECT(counters->close_calls == exp_close_calls);
- EXPECT(counters->recv_calls == exp_rx_calls);
- EXPECT(counters->recved_bytes == exp_rx_bytes);
- EXPECT(counters->err_calls == exp_err_calls);
- /* check that pbuf is queued in ooseq */
- EXPECT_OOSEQ(tcp_oos_count(pcb) == exp_oos_count);
- oos_len = tcp_oos_tcplen(pcb);
- EXPECT_OOSEQ(exp_oos_len == oos_len);
-}
-
-/* this test uses 4 packets:
- * - data (len=TCP_MSS)
- * - FIN
- * - data after FIN (len=1) (invalid)
- * - 2nd FIN (invalid)
- *
- * the parameter 'delay_packet' is a bitmask that choses which on these packets is ooseq
- */
-static void test_tcp_recv_ooseq_double_FINs(int delay_packet)
-{
- int i, k;
- struct test_tcp_counters counters;
- struct tcp_pcb* pcb;
- struct pbuf *p_normal_fin, *p_data_after_fin, *p, *p_2nd_fin_ooseq;
- ip_addr_t remote_ip, local_ip, netmask;
- u16_t remote_port = 0x100, local_port = 0x101;
- struct netif netif;
- u32_t exp_rx_calls = 0, exp_rx_bytes = 0, exp_close_calls = 0, exp_oos_pbufs = 0, exp_oos_tcplen = 0;
- int first_dropped = 0xff;
- int last_dropped = 0;
-
- for(i = 0; i < sizeof(data_full_wnd); i++) {
- data_full_wnd[i] = (char)i;
- }
-
- /* initialize local vars */
- memset(&netif, 0, sizeof(netif));
- IP4_ADDR(&local_ip, 192, 168, 1, 1);
- IP4_ADDR(&remote_ip, 192, 168, 1, 2);
- IP4_ADDR(&netmask, 255, 255, 255, 0);
- test_tcp_init_netif(&netif, NULL, &local_ip, &netmask);
- /* initialize counter struct */
- memset(&counters, 0, sizeof(counters));
- counters.expected_data_len = TCP_WND;
- counters.expected_data = data_full_wnd;
-
- /* create and initialize the pcb */
- pcb = test_tcp_new_counters_pcb(&counters);
- EXPECT_RET(pcb != NULL);
- tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
- pcb->rcv_nxt = 0x8000;
-
- /* create segments */
- p = tcp_create_rx_segment(pcb, &data_full_wnd[0], TCP_MSS, 0, 0, TCP_ACK);
- p_normal_fin = tcp_create_rx_segment(pcb, NULL, 0, TCP_MSS, 0, TCP_ACK|TCP_FIN);
- k = 1;
- p_data_after_fin = tcp_create_rx_segment(pcb, &data_full_wnd[TCP_MSS+1], k, TCP_MSS+1, 0, TCP_ACK);
- p_2nd_fin_ooseq = tcp_create_rx_segment(pcb, NULL, 0, TCP_MSS+1+k, 0, TCP_ACK|TCP_FIN);
-
- if(delay_packet & 1) {
- /* drop normal data */
- first_dropped = 1;
- last_dropped = 1;
- } else {
- /* send normal data */
- test_tcp_input(p, &netif);
- exp_rx_calls++;
- exp_rx_bytes += TCP_MSS;
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- if(delay_packet & 2) {
- /* drop FIN */
- if(first_dropped > 2) {
- first_dropped = 2;
- }
- last_dropped = 2;
- } else {
- /* send FIN */
- test_tcp_input(p_normal_fin, &netif);
- if (first_dropped < 2) {
- /* already dropped packets, this one is ooseq */
- exp_oos_pbufs++;
- exp_oos_tcplen++;
- } else {
- /* inseq */
- exp_close_calls++;
- }
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- if(delay_packet & 4) {
- /* drop data-after-FIN */
- if(first_dropped > 3) {
- first_dropped = 3;
- }
- last_dropped = 3;
- } else {
- /* send data-after-FIN */
- test_tcp_input(p_data_after_fin, &netif);
- if (first_dropped < 3) {
- /* already dropped packets, this one is ooseq */
- if (delay_packet & 2) {
- /* correct FIN was ooseq */
- exp_oos_pbufs++;
- exp_oos_tcplen += k;
- }
- } else {
- /* inseq: no change */
- }
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- if(delay_packet & 8) {
- /* drop 2nd-FIN */
- if(first_dropped > 4) {
- first_dropped = 4;
- }
- last_dropped = 4;
- } else {
- /* send 2nd-FIN */
- test_tcp_input(p_2nd_fin_ooseq, &netif);
- if (first_dropped < 3) {
- /* already dropped packets, this one is ooseq */
- if (delay_packet & 2) {
- /* correct FIN was ooseq */
- exp_oos_pbufs++;
- exp_oos_tcplen++;
- }
- } else {
- /* inseq: no change */
- }
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- if(delay_packet & 1) {
- /* dropped normal data before */
- test_tcp_input(p, &netif);
- exp_rx_calls++;
- exp_rx_bytes += TCP_MSS;
- if((delay_packet & 2) == 0) {
- /* normal FIN was NOT delayed */
- exp_close_calls++;
- exp_oos_pbufs = exp_oos_tcplen = 0;
- }
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- if(delay_packet & 2) {
- /* dropped normal FIN before */
- test_tcp_input(p_normal_fin, &netif);
- exp_close_calls++;
- exp_oos_pbufs = exp_oos_tcplen = 0;
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- if(delay_packet & 4) {
- /* dropped data-after-FIN before */
- test_tcp_input(p_data_after_fin, &netif);
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- if(delay_packet & 8) {
- /* dropped 2nd-FIN before */
- test_tcp_input(p_2nd_fin_ooseq, &netif);
- }
- /* check if counters are as expected */
- check_rx_counters(pcb, &counters, exp_close_calls, exp_rx_calls, exp_rx_bytes, 0, exp_oos_pbufs, exp_oos_tcplen);
-
- /* check that ooseq data has been dumped */
- EXPECT(pcb->ooseq == NULL);
-
- /* make sure the pcb is freed */
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
- tcp_abort(pcb);
- EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
-}
-
-/** create multiple segments and pass them to tcp_input with the first segment missing
- * to simulate overruning the rxwin with ooseq queueing enabled */
-#define FIN_TEST(name, num) \
- START_TEST(name) \
- { \
- LWIP_UNUSED_ARG(_i); \
- test_tcp_recv_ooseq_double_FINs(num); \
- } \
- END_TEST
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_0, 0)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_1, 1)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_2, 2)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_3, 3)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_4, 4)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_5, 5)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_6, 6)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_7, 7)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_8, 8)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_9, 9)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_10, 10)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_11, 11)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_12, 12)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_13, 13)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_14, 14)
-FIN_TEST(test_tcp_recv_ooseq_double_FIN_15, 15)
-
-
-/** Create the suite including all tests for this module */
-Suite *
-tcp_oos_suite(void)
-{
- TFun tests[] = {
- test_tcp_recv_ooseq_FIN_OOSEQ,
- test_tcp_recv_ooseq_FIN_INSEQ,
- test_tcp_recv_ooseq_overrun_rxwin,
- test_tcp_recv_ooseq_max_bytes,
- test_tcp_recv_ooseq_max_pbufs,
- test_tcp_recv_ooseq_double_FIN_0,
- test_tcp_recv_ooseq_double_FIN_1,
- test_tcp_recv_ooseq_double_FIN_2,
- test_tcp_recv_ooseq_double_FIN_3,
- test_tcp_recv_ooseq_double_FIN_4,
- test_tcp_recv_ooseq_double_FIN_5,
- test_tcp_recv_ooseq_double_FIN_6,
- test_tcp_recv_ooseq_double_FIN_7,
- test_tcp_recv_ooseq_double_FIN_8,
- test_tcp_recv_ooseq_double_FIN_9,
- test_tcp_recv_ooseq_double_FIN_10,
- test_tcp_recv_ooseq_double_FIN_11,
- test_tcp_recv_ooseq_double_FIN_12,
- test_tcp_recv_ooseq_double_FIN_13,
- test_tcp_recv_ooseq_double_FIN_14,
- test_tcp_recv_ooseq_double_FIN_15
- };
- return create_suite("TCP_OOS", tests, sizeof(tests)/sizeof(TFun), tcp_oos_setup, tcp_oos_teardown);
-}
\ No newline at end of file
projects / reactos.git / blobdiff