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V1.11

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New Feature(s):
-Network UI
-Pattern Wallpapers
This commit is contained in:
Chris
2026-02-05 22:38:21 +01:00
parent 89bdb860dd
commit a90f41d8a3
13 changed files with 600 additions and 60 deletions
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26
src/kernel/network.c
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@@ -6,7 +6,7 @@
static int network_initialized = 0;
static mac_address_t our_mac;
static ipv4_address_t our_ip = {{0,0,0,0}};
static ipv4_address_t ip_address = {{0,0,0,0}};
static uint16_t ipv4_id_counter = 0;
typedef struct { ipv4_address_t ip; mac_address_t mac; uint32_t timestamp; int valid; } arp_cache_entry_t;
@@ -63,8 +63,8 @@ int network_get_mac_address(mac_address_t* mac){
return 0;
}
int network_get_ipv4_address(ipv4_address_t* ip){ if(!network_initialized) return -1; *ip=our_ip; return 0; }
int network_set_ipv4_address(const ipv4_address_t* ip){ if(!network_initialized) return -1; our_ip=*ip; return 0; }
int network_get_ipv4_address(ipv4_address_t* ip){ if(!network_initialized) return -1; *ip=ip_address; return 0; }
int network_set_ipv4_address(const ipv4_address_t* ip){ if(!network_initialized) return -1; ip_address=*ip; return 0; }
int network_send_frame(const void* data,size_t length){ if(!network_initialized) return -1; if(length>ETH_FRAME_MAX_SIZE) return -1; return e1000_send_packet(data,length); }
@@ -102,7 +102,7 @@ void network_process_frames(void){
ip->checksum=checksum;
if(checksum==calc){
int for_our_ip=1;
for(int i=0;i<4;i++){ if(ip->dest_ip[i]!=our_ip.bytes[i]) { for_our_ip=0; break; } }
for(int i=0;i<4;i++){ if(ip->dest_ip[i]!=ip_address.bytes[i]) { for_our_ip=0; break; } }
if(for_our_ip || ip->dest_ip[0]==255){
mac_address_t src_mac;
kmemcpy(src_mac.bytes,eth->src_mac,6);
@@ -128,7 +128,7 @@ int arp_send_request(const ipv4_address_t* target_ip){
arp->proto_len=4;
arp->opcode=htons(ARP_OP_REQUEST);
kmemcpy(arp->sender_mac,our_mac.bytes,6);
kmemcpy(arp->sender_ip,our_ip.bytes,4);
kmemcpy(arp->sender_ip,ip_address.bytes,4);
for(int i=0;i<6;i++) arp->target_mac[i]=0;
kmemcpy(arp->target_ip,target_ip->bytes,4);
size_t frame_length=sizeof(eth_header_t)+sizeof(arp_header_t);
@@ -153,7 +153,7 @@ void arp_process_packet(const arp_header_t* arp,size_t length){
arp_cache_add(&sender_ip,&sender_mac);
if(opcode==ARP_OP_REQUEST){
int is_for_us=1;
for(int i=0;i<4;i++){ if(arp->target_ip[i]!=our_ip.bytes[i]) { is_for_us=0; break; } }
for(int i=0;i<4;i++){ if(arp->target_ip[i]!=ip_address.bytes[i]) { is_for_us=0; break; } }
if(is_for_us){
uint8_t frame[ETH_FRAME_MAX_SIZE];
eth_header_t* eth=(eth_header_t*)frame;
@@ -167,7 +167,7 @@ void arp_process_packet(const arp_header_t* arp,size_t length){
r->proto_len=4;
r->opcode=htons(ARP_OP_REPLY);
kmemcpy(r->sender_mac,our_mac.bytes,6);
kmemcpy(r->sender_ip,our_ip.bytes,4);
kmemcpy(r->sender_ip,ip_address.bytes,4);
kmemcpy(r->target_mac,arp->sender_mac,6);
kmemcpy(r->target_ip,arp->sender_ip,4);
size_t frame_length=sizeof(eth_header_t)+sizeof(arp_header_t);
@@ -197,7 +197,7 @@ int ipv4_send_packet(const ipv4_address_t* dest_ip,uint8_t protocol,const void*
ip->ttl=64;
ip->protocol=protocol;
ip->checksum=0;
kmemcpy(ip->src_ip,our_ip.bytes,4);
kmemcpy(ip->src_ip,ip_address.bytes,4);
kmemcpy(ip->dest_ip,dest_ip->bytes,4);
ip->checksum=ipv4_checksum(ip);
kmemcpy(ip_payload,data,data_length);
@@ -222,7 +222,7 @@ int ipv4_send_packet_to_mac(const ipv4_address_t* dest_ip,const mac_address_t* d
ip->ttl=64;
ip->protocol=protocol;
ip->checksum=0;
kmemcpy(ip->src_ip,our_ip.bytes,4);
kmemcpy(ip->src_ip,ip_address.bytes,4);
kmemcpy(ip->dest_ip,dest_ip->bytes,4);
ip->checksum=ipv4_checksum(ip);
kmemcpy(ip_payload,data,data_length);
@@ -405,10 +405,10 @@ static void dhcp_udp_callback(const ipv4_address_t* src_ip,uint16_t src_port,con
if(dhcp_server_id!=0) dhcp_state=1;
} else if(mtype==DHCP_MSG_ACK){
uint32_t yi_host=ntohl32(pkt->yiaddr);
our_ip.bytes[0]=(uint8_t)((yi_host>>24)&0xFF);
our_ip.bytes[1]=(uint8_t)((yi_host>>16)&0xFF);
our_ip.bytes[2]=(uint8_t)((yi_host>>8)&0xFF);
our_ip.bytes[3]=(uint8_t)(yi_host&0xFF);
ip_address.bytes[0]=(uint8_t)((yi_host>>24)&0xFF);
ip_address.bytes[1]=(uint8_t)((yi_host>>16)&0xFF);
ip_address.bytes[2]=(uint8_t)((yi_host>>8)&0xFF);
ip_address.bytes[3]=(uint8_t)(yi_host&0xFF);
dhcp_state=2;
} else if(mtype==DHCP_MSG_NAK){
dhcp_state=-1;