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fix type conversion errors introduced with last commit

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This commit is contained in:
Simon Goldschmidt 2018-05-17 22:35:12 +02:00
parent 0c2fdfcf42
commit 11c294e973
3 changed files with 32 additions and 24 deletions
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7
src/core/ipv4/etharp.c
View File

@ -819,7 +819,7 @@ etharp_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr)
dest = &mcastaddr;
/* unicast destination IP address? */
} else {
u16_t i;
netif_addr_idx_t i;
/* outside local network? if so, this can neither be a global broadcast nor
a subnet broadcast. */
if (!ip4_addr_netcmp(ipaddr, netif_ip4_addr(netif), netif_ip4_netmask(netif)) &&
@ -936,7 +936,7 @@ etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q)
err_t result = ERR_MEM;
int is_new_entry = 0;
s16_t i_err;
u16_t i;
netif_addr_idx_t i;
/* non-unicast address? */
if (ip4_addr_isbroadcast(ipaddr, netif) ||
@ -958,7 +958,8 @@ etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q)
}
return (err_t)i_err;
}
i = (u16_t)i_err;
LWIP_ASSERT("type overflow", (size_t)i_err < NETIF_ADDR_IDX_MAX);
i = (netif_addr_idx_t)i_err;
/* mark a fresh entry as pending (we just sent a request) */
if (arp_table[i].state == ETHARP_STATE_EMPTY) {

47
src/core/ipv6/nd6.c
View File

@ -286,6 +286,7 @@ nd6_input(struct pbuf *p, struct netif *inp)
{
u8_t msg_type;
s8_t i;
s16_t dest_idx;
ND6_STATS_INC(nd6.recv);
@ -836,8 +837,8 @@ nd6_input(struct pbuf *p, struct netif *inp)
}
/* Find dest address in cache */
i = nd6_find_destination_cache_entry(&destination_address);
if (i < 0) {
dest_idx = nd6_find_destination_cache_entry(&destination_address);
if (dest_idx < 0) {
/* Destination not in cache, drop packet. */
pbuf_free(p);
return;
@ -848,7 +849,7 @@ nd6_input(struct pbuf *p, struct netif *inp)
ip6_addr_assign_zone(&target_address, IP6_UNICAST, inp);
/* Set the new target address. */
ip6_addr_copy(destination_cache[i].next_hop_addr, target_address);
ip6_addr_copy(destination_cache[dest_idx].next_hop_addr, target_address);
/* If Link-layer address of other router is given, try to add to neighbor cache. */
if (lladdr_opt != NULL) {
@ -904,8 +905,8 @@ nd6_input(struct pbuf *p, struct netif *inp)
ip6_addr_assign_zone(&destination_address, IP6_UNKNOWN, inp);
/* Look for entry in destination cache. */
i = nd6_find_destination_cache_entry(&destination_address);
if (i < 0) {
dest_idx = nd6_find_destination_cache_entry(&destination_address);
if (dest_idx < 0) {
/* Destination not in cache, drop packet. */
pbuf_free(p);
return;
@ -913,7 +914,7 @@ nd6_input(struct pbuf *p, struct netif *inp)
/* Change the Path MTU. */
pmtu = lwip_htonl(icmp6hdr->data);
destination_cache[i].pmtu = (u16_t)LWIP_MIN(pmtu, 0xFFFF);
destination_cache[dest_idx].pmtu = (u16_t)LWIP_MIN(pmtu, 0xFFFF);
break; /* ICMP6_TYPE_PTB */
}
@ -1539,10 +1540,10 @@ nd6_free_neighbor_cache_entry(s8_t i)
* @return The destination cache entry index that matched, -1 if no
* entry is found
*/
static s8_t
static s16_t
nd6_find_destination_cache_entry(const ip6_addr_t *ip6addr)
{
s8_t i;
s16_t i;
IP6_ADDR_ZONECHECK(ip6addr);
@ -1564,7 +1565,7 @@ nd6_find_destination_cache_entry(const ip6_addr_t *ip6addr)
static s16_t
nd6_new_destination_cache_entry(void)
{
s8_t i, j;
s16_t i, j;
u32_t age;
/* Find an empty entry. */
@ -1910,6 +1911,7 @@ nd6_get_next_hop_entry(const ip6_addr_t *ip6addr, struct netif *netif)
const ip6_addr_t *next_hop_addr;
#endif /* LWIP_HOOK_ND6_GET_GW */
s8_t i;
s16_t dst_idx;
IP6_ADDR_ZONECHECK_NETIF(ip6addr, netif);
@ -1930,16 +1932,18 @@ nd6_get_next_hop_entry(const ip6_addr_t *ip6addr, struct netif *netif)
ND6_STATS_INC(nd6.cachehit);
} else {
/* Search destination cache. */
i = nd6_find_destination_cache_entry(ip6addr);
if (i >= 0) {
dst_idx = nd6_find_destination_cache_entry(ip6addr);
if (dst_idx >= 0) {
/* found destination entry. make it our new cached index. */
nd6_cached_destination_index = i;
LWIP_ASSERT("type overflow", (size_t)dst_idx < NETIF_ADDR_IDX_MAX);
nd6_cached_destination_index = (netif_addr_idx_t)dst_idx;
} else {
/* Not found. Create a new destination entry. */
i = nd6_new_destination_cache_entry();
if (i >= 0) {
dst_idx = nd6_new_destination_cache_entry();
if (dst_idx >= 0) {
/* got new destination entry. make it our new cached index. */
nd6_cached_destination_index = i;
LWIP_ASSERT("type overflow", (size_t)dst_idx < NETIF_ADDR_IDX_MAX);
nd6_cached_destination_index = (netif_addr_idx_t)dst_idx;
} else {
/* Could not create a destination cache entry. */
return ERR_MEM;
@ -2267,7 +2271,7 @@ nd6_get_next_hop_addr_or_queue(struct netif *netif, struct pbuf *q, const ip6_ad
u16_t
nd6_get_destination_mtu(const ip6_addr_t *ip6addr, struct netif *netif)
{
s8_t i;
s16_t i;
i = nd6_find_destination_cache_entry(ip6addr);
if (i >= 0) {
@ -2298,24 +2302,25 @@ void
nd6_reachability_hint(const ip6_addr_t *ip6addr)
{
s8_t i;
s16_t dst_idx;
/* Find destination in cache. */
if (ip6_addr_cmp(ip6addr, &(destination_cache[nd6_cached_destination_index].destination_addr))) {
i = nd6_cached_destination_index;
dst_idx = nd6_cached_destination_index;
ND6_STATS_INC(nd6.cachehit);
} else {
i = nd6_find_destination_cache_entry(ip6addr);
dst_idx = nd6_find_destination_cache_entry(ip6addr);
}
if (i < 0) {
if (dst_idx < 0) {
return;
}
/* Find next hop neighbor in cache. */
if (ip6_addr_cmp(&(destination_cache[i].next_hop_addr), &(neighbor_cache[nd6_cached_neighbor_index].next_hop_address))) {
if (ip6_addr_cmp(&(destination_cache[dst_idx].next_hop_addr), &(neighbor_cache[nd6_cached_neighbor_index].next_hop_address))) {
i = nd6_cached_neighbor_index;
ND6_STATS_INC(nd6.cachehit);
} else {
i = nd6_find_neighbor_cache_entry(&(destination_cache[i].next_hop_addr));
i = nd6_find_neighbor_cache_entry(&(destination_cache[dst_idx].next_hop_addr));
}
if (i < 0) {
return;

2
src/include/lwip/netif.h
View File

@ -239,8 +239,10 @@ u8_t netif_alloc_client_data_id(void);
#if (LWIP_IPV4 && LWIP_ARP && (ARP_TABLE_SIZE > 0x7f)) || (LWIP_IPV6 && (LWIP_ND6_NUM_DESTINATIONS > 0x7f))
typedef u16_t netif_addr_idx_t;
#define NETIF_ADDR_IDX_MAX 0x7FFF
#else
typedef u8_t netif_addr_idx_t;
#define NETIF_ADDR_IDX_MAX 0x7F
#endif
#if LWIP_NETIF_HWADDRHINT