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Make socket port binding a separate step with ipc_netsockbindport() syscall

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This commit is contained in:
Kamil Kowalczyk
2025-10-29 22:33:41 +01:00
parent 4417141216
commit d947192475
10 changed files with 54 additions and 15 deletions
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18
kernel/ipc/netsock/netsock.c
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@ -72,7 +72,7 @@ void ipc_netsock_event(uint16_t ev, struct pico_socket *sock1) {
spinlock_release(&netsock->spinlock);
}
IpcNetSock *ipc_netsockmake(uint16_t net, uint16_t proto, uint16_t port, uint64_t pid) {
IpcNetSock *ipc_netsockmake(uint16_t net, uint16_t proto, uint64_t pid) {
IpcNetSock *netsock = dlmalloc(sizeof(*netsock));
if (netsock == NULL) {
return NULL;
@ -92,10 +92,6 @@ IpcNetSock *ipc_netsockmake(uint16_t net, uint16_t proto, uint16_t port, uint64_
netsock->ownerpid = pid;
uint16_t port_be = short_be(port);
struct pico_ip4 inaddr_any = {0};
pico_socket_bind(netsock->picosock, &inaddr_any, &port_be);
spinlock_acquire(&IPC_NETSOCKS.spinlock);
LL_APPEND(IPC_NETSOCKS.netsocks, netsock);
spinlock_release(&IPC_NETSOCKS.spinlock);
@ -144,6 +140,18 @@ int32_t ipc_netsockdelete(IpcNetSock *netsock) {
return E_OK;
}
int32_t ipc_netsockbindport(IpcNetSock *netsock, uint16_t port) {
uint16_t port_be = short_be(port);
struct pico_ip4 inaddr_any = {0};
spinlock_acquire(&netsock->spinlock);
int32_t r = pico_socket_bind(netsock->picosock, &inaddr_any, &port_be);
spinlock_release(&netsock->spinlock);
if (r != 0) {
return E_NETSOCKBIND;
}
return E_OK;
}
void ipc_netsock_cleanup_dangling(void) {
IpcNetSock *ns, *nstmp;

3
kernel/ipc/netsock/netsock.h
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@ -27,9 +27,10 @@ typedef struct {
extern IpcNetSocks IPC_NETSOCKS;
void ipc_netsockinit(void);
IpcNetSock *ipc_netsockmake(uint16_t net, uint16_t proto, uint16_t port, uint64_t pid);
IpcNetSock *ipc_netsockmake(uint16_t net, uint16_t proto, uint64_t pid);
int32_t ipc_netsocklisten(IpcNetSock *netsock, size_t maxlisteners);
int32_t ipc_netsockdelete(IpcNetSock *netsock);
int32_t ipc_netsockbindport(IpcNetSock *netsock, uint16_t port);
void ipc_netsock_cleanup_dangling(void);
#endif // NETSOCK_NETSOCK_H_

26
kernel/syscall/ipcnetsock.c
View File

@ -6,12 +6,11 @@
#include "util/util.h"
#include "errors.h"
int32_t SYSCALL3(sys_ipc_netsockmake, net1, proto1, port1) {
int32_t SYSCALL2(sys_ipc_netsockmake, net1, proto1) {
uint16_t net = net1;
uint16_t proto = proto1;
uint16_t port = port1;
IpcNetSock *netsock = ipc_netsockmake(net, proto, port, _caller_pid);
IpcNetSock *netsock = ipc_netsockmake(net, proto, _caller_pid);
if (netsock == NULL) {
return E_NOMEMORY;
@ -102,3 +101,24 @@ int32_t SYSCALL1(sys_ipc_netsockdelete, socknum1) {
return ipc_netsockdelete(ns);
}
int32_t SYSCALL2(sys_ipc_netsockbindport, socknum1, port1) {
size_t socknum = socknum1;
uint16_t port = port1;
spinlock_acquire(&IPC_NETSOCKS.spinlock);
size_t idx = 0;
IpcNetSock *ns, *nstmp;
LL_FOREACH_SAFE_IDX(IPC_NETSOCKS.netsocks, ns, nstmp, idx) {
if (idx == socknum) {
break;
}
}
spinlock_release(&IPC_NETSOCKS.spinlock);
if (ns == NULL) {
return E_NOENTRY;
}
return ipc_netsockbindport(ns, port);
}

3
kernel/syscall/ipcnetsock.h
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@ -5,9 +5,10 @@
#include <stdint.h>
#include "syscall.h"
int32_t SYSCALL3(sys_ipc_netsockmake, net1, proto1, port1);
int32_t SYSCALL2(sys_ipc_netsockmake, net1, proto1);
int32_t SYSCALL2(sys_ipc_netsocklisten, socknum1, maxlisteners1);
int32_t SYSCALL1(sys_ipc_netsockpollev, socknum1);
int32_t SYSCALL1(sys_ipc_netsockdelete, socknum1);
int32_t SYSCALL2(sys_ipc_netsockbindport, socknum1, port1);
#endif // SYSCALL_IPC_NETSOCK_H_

1
kernel/syscall/syscall.c
View File

@ -69,4 +69,5 @@ SyscallFn SYSCALL_TABLE[SYSCALLS_MAX] = {
[SYS_IPC_NETSOCKLISTEN] = &sys_ipc_netsocklisten,
[SYS_IPC_NETSOCKPOLLEV] = &sys_ipc_netsockpollev,
[SYS_IPC_NETSOCKDELETE] = &sys_ipc_netsockdelete,
[SYS_IPC_NETSOCKBINDPORT] = &sys_ipc_netsockbindport,
};