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extmod/network_lwip: Add sys_untimeout_all_with_arg helper function.

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Really lwIP should provide this, to deregister all callbacks on the given
netif.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-07-07 12:32:29 +10:00
parent 8504391766
commit cf490ed346
3 changed files with 19 additions and 0 deletions
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3
extmod/lwip-include/lwipopts_common.h
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@@ -28,6 +28,9 @@
#include "py/mpconfig.h" #include "py/mpconfig.h"
// This is needed to access `next_timeout` via `sys_timeouts_get_next_timeout()`.
#define LWIP_TESTMODE 1
// This sys-arch protection is not needed. // This sys-arch protection is not needed.
// Ports either protect lwIP code with flags, or run it at PendSV priority. // Ports either protect lwIP code with flags, or run it at PendSV priority.
#define SYS_ARCH_DECL_PROTECT(lev) do { } while (0) #define SYS_ARCH_DECL_PROTECT(lev) do { } while (0)

3
extmod/modnetwork.h
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@@ -82,6 +82,9 @@ extern const struct _mp_obj_type_t mp_network_ppp_lwip_type;
#endif #endif
struct netif; struct netif;
void sys_untimeout_all_with_arg(void *arg);
void mod_network_lwip_init(void); void mod_network_lwip_init(void);
void mod_network_lwip_poll_wrapper(uint32_t ticks_ms); void mod_network_lwip_poll_wrapper(uint32_t ticks_ms);
mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args); mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args);

13
extmod/network_lwip.c
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@@ -52,6 +52,19 @@ int mp_mod_network_prefer_dns_use_ip_version = 4;
// Implementations of network methods that can be used by any interface. // Implementations of network methods that can be used by any interface.
// This follows sys_untimeout but removes all timeouts with the given argument.
void sys_untimeout_all_with_arg(void *arg) {
for (struct sys_timeo **t = sys_timeouts_get_next_timeout(); *t != NULL;) {
if ((*t)->arg == arg) {
struct sys_timeo *next = (*t)->next;
memp_free(MEMP_SYS_TIMEOUT, *t);
*t = next;
} else {
t = &(*t)->next;
}
}
}
// This function provides the implementation of nic.ifconfig, is deprecated and will be removed. // This function provides the implementation of nic.ifconfig, is deprecated and will be removed.
// Use network.ipconfig and nic.ipconfig instead. // Use network.ipconfig and nic.ipconfig instead.
mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args) { mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args) {