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tests/net/gnrc_sock_ip: add support for extension header handling

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This commit is contained in:
Benjamin Valentin 2023-11-13 18:51:17 +01:00
parent 875aecb327
commit 988592ce54
2 changed files with 45 additions and 5 deletions
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13
tests/net/gnrc_sock_ip/main.c
View File

@ -30,6 +30,19 @@
#include "constants.h" #include "constants.h"
#include "stack.h" #include "stack.h"
#include "byteorder.h"
#include "net/gnrc/ipv6/ext/opt.h"
void gnrc_ipv6_ext_opt_rpl_cb(gnrc_pktsnip_t *pkt, ipv6_ext_opt_rpl_t *opt)
{
(void)pkt;
uint16_t rank = byteorder_ntohs(opt->rank);
printf("got RPL opt with rank %u\n", rank);
opt->rank = byteorder_htons(++rank);
}
#define _TEST_BUFFER_SIZE (128) #define _TEST_BUFFER_SIZE (128)
#define CALL(fn) puts("Calling " # fn); fn; tear_down() #define CALL(fn) puts("Calling " # fn); fn; tear_down()

37
tests/net/gnrc_sock_ip/stack.c
View File

@ -103,13 +103,38 @@ static inline bool _res(gnrc_pktsnip_t *pkt, bool res)
return res; return res;
} }
static uint8_t _final_nh(gnrc_pktsnip_t *ipv6, uint8_t nh)
{
#ifdef MODULE_GNRC_IPV6_EXT_OPT
while (ipv6->next && ipv6->next->type == GNRC_NETTYPE_IPV6_EXT) {
ipv6 = ipv6->next;
nh = ((ipv6_ext_t *)(ipv6->data))->nh;
}
#else
(void)ipv6;
#endif
return nh;
}
static gnrc_pktsnip_t *_final_snip(gnrc_pktsnip_t *ipv6)
{
#ifdef MODULE_GNRC_IPV6_EXT_OPT
while (ipv6->next && ipv6->next->type == GNRC_NETTYPE_IPV6_EXT) {
ipv6 = ipv6->next;
}
#endif
return ipv6;
}
bool _check_packet(const ipv6_addr_t *src, const ipv6_addr_t *dst, bool _check_packet(const ipv6_addr_t *src, const ipv6_addr_t *dst,
uint8_t proto, void *data, size_t data_len, uint8_t proto, void *data, size_t data_len,
uint16_t netif) uint16_t netif)
{ {
gnrc_pktsnip_t *pkt, *ipv6; gnrc_pktsnip_t *pkt, *ipv6, *payload;
ipv6_hdr_t *ipv6_hdr; ipv6_hdr_t *ipv6_hdr;
msg_t msg; msg_t msg;
uint8_t nh;
msg_receive(&msg); msg_receive(&msg);
if (msg.type != GNRC_NETAPI_MSG_TYPE_SND) { if (msg.type != GNRC_NETAPI_MSG_TYPE_SND) {
@ -135,12 +160,14 @@ bool _check_packet(const ipv6_addr_t *src, const ipv6_addr_t *dst,
return _res(pkt, false); return _res(pkt, false);
} }
ipv6_hdr = ipv6->data; ipv6_hdr = ipv6->data;
nh = _final_nh(ipv6, ipv6_hdr->nh);
payload = _final_snip(ipv6)->next;
return _res(pkt, (memcmp(src, &ipv6_hdr->src, sizeof(ipv6_addr_t)) == 0) && return _res(pkt, (memcmp(src, &ipv6_hdr->src, sizeof(ipv6_addr_t)) == 0) &&
(memcmp(dst, &ipv6_hdr->dst, sizeof(ipv6_addr_t)) == 0) && (memcmp(dst, &ipv6_hdr->dst, sizeof(ipv6_addr_t)) == 0) &&
(ipv6_hdr->nh == proto) && (nh == proto) &&
(ipv6->next != NULL) && (payload != NULL) &&
(data_len == ipv6->next->size) && (data_len == payload->size) &&
(memcmp(data, ipv6->next->data, data_len) == 0)); (memcmp(data, payload->data, data_len) == 0));
} }
/** @} */ /** @} */