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Fix BUG#11400 - don't corrupt existing pbuf chain when enqueuing multiple pbufs to a pending ARP request

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This commit is contained in:
goldsimon
2007-03-04 12:12:42 +00:00
parent e1b6a4cb21
commit 1f544e087b
6 changed files with 93 additions and 28 deletions
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13
src/core/memp.c
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@@ -45,6 +45,10 @@
#include "lwip/sys.h"
#include "lwip/stats.h"
#if ARP_QUEUEING
#include "netif/etharp.h"
#endif
struct memp {
struct memp *next;
};
@@ -63,6 +67,9 @@ static const u16_t memp_sizes[MEMP_MAX] = {
MEM_ALIGN_SIZE(sizeof(struct netbuf)),
MEM_ALIGN_SIZE(sizeof(struct netconn)),
MEM_ALIGN_SIZE(sizeof(struct tcpip_msg)),
#if ARP_QUEUEING
MEM_ALIGN_SIZE(sizeof(struct etharp_q_entry)),
#endif
MEM_ALIGN_SIZE(sizeof(struct sys_timeo))
};
@@ -76,6 +83,9 @@ static const u16_t memp_num[MEMP_MAX] = {
MEMP_NUM_NETBUF,
MEMP_NUM_NETCONN,
MEMP_NUM_TCPIP_MSG,
#if ARP_QUEUEING
MEMP_NUM_ARP_QUEUE,
#endif
MEMP_NUM_SYS_TIMEOUT
};
@@ -92,6 +102,9 @@ static u8_t memp_memory[MEM_ALIGNMENT - 1 +
MEMP_TYPE_SIZE(MEMP_NUM_NETBUF, struct netbuf) +
MEMP_TYPE_SIZE(MEMP_NUM_NETCONN, struct netconn) +
MEMP_TYPE_SIZE(MEMP_NUM_TCPIP_MSG, struct tcpip_msg) +
#if ARP_QUEUEING
MEMP_TYPE_SIZE(MEMP_NUM_TCPIP_MSG, struct etharp_q_entry) +
#endif
MEMP_TYPE_SIZE(MEMP_NUM_SYS_TIMEOUT, struct sys_timeo)];
#if !SYS_LIGHTWEIGHT_PROT