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-rw-r--r--net/net.c80
1 files changed, 32 insertions, 48 deletions
diff --git a/net/net.c b/net/net.c
index 639bc2d985..0bd9084dd0 100644
--- a/net/net.c
+++ b/net/net.c
@@ -36,29 +36,9 @@
#include <linux/ctype.h>
#include <linux/err.h>
-static IPaddr_t net_netmask; /* Our subnet mask (0=unknown) */
-static IPaddr_t net_gateway; /* Our gateways IP address */
-
-static unsigned char net_ether[6]; /* Our ethernet address */
-static IPaddr_t net_ip; /* Our IP addr (0 = unknown) */
-static IPaddr_t net_serverip; /* Our IP addr (0 = unknown) */
-
unsigned char *NetRxPackets[PKTBUFSRX]; /* Receive packets */
static unsigned int net_ip_id;
-void net_update_env(void)
-{
- struct eth_device *edev = eth_get_current();
-
- net_ip = dev_get_param_ip(&edev->dev, "ipaddr");
- net_serverip = dev_get_param_ip(&edev->dev, "serverip");
- net_gateway = dev_get_param_ip(&edev->dev, "gateway");
- net_netmask = dev_get_param_ip(&edev->dev, "netmask");
-
- string_to_ethaddr(dev_get_param(&edev->dev, "ethaddr"),
- net_ether);
-}
-
int net_checksum_ok(unsigned char *ptr, int len)
{
return net_checksum(ptr, len) + 1;
@@ -210,6 +190,7 @@ static void arp_handler(struct arprequest *arp)
static int arp_request(IPaddr_t dest, unsigned char *ether)
{
+ struct eth_device *edev = eth_get_current();
char *pkt;
struct arprequest *arp;
uint64_t arp_start;
@@ -232,7 +213,7 @@ static int arp_request(IPaddr_t dest, unsigned char *ether)
pr_debug("ARP broadcast\n");
memset(et->et_dest, 0xff, 6);
- memcpy(et->et_src, net_ether, 6);
+ memcpy(et->et_src, edev->ethaddr, 6);
et->et_protlen = htons(PROT_ARP);
arp = (struct arprequest *)(pkt + ETHER_HDR_SIZE);
@@ -243,15 +224,15 @@ static int arp_request(IPaddr_t dest, unsigned char *ether)
arp->ar_pln = 4;
arp->ar_op = htons(ARPOP_REQUEST);
- memcpy(arp->ar_data, net_ether, 6); /* source ET addr */
- net_write_ip(arp->ar_data + 6, net_ip); /* source IP addr */
+ memcpy(arp->ar_data, edev->ethaddr, 6); /* source ET addr */
+ net_write_ip(arp->ar_data + 6, edev->ipaddr); /* source IP addr */
memset(arp->ar_data + 10, 0, 6); /* dest ET addr = 0 */
- if ((dest & net_netmask) != (net_ip & net_netmask)) {
- if (!net_gateway)
+ if ((dest & edev->netmask) != (edev->ipaddr & edev->netmask)) {
+ if (!edev->gateway)
arp_wait_ip = dest;
else
- arp_wait_ip = net_gateway;
+ arp_wait_ip = edev->gateway;
} else {
arp_wait_ip = dest;
}
@@ -310,44 +291,44 @@ static uint16_t net_udp_new_localport(void)
IPaddr_t net_get_serverip(void)
{
- return net_serverip;
+ struct eth_device *edev = eth_get_current();
+
+ return edev->serverip;
}
void net_set_serverip(IPaddr_t ip)
{
struct eth_device *edev = eth_get_current();
- net_serverip = ip;
- dev_set_param_ip(&edev->dev, "serverip", net_serverip);
+ edev->serverip = ip;
}
void net_set_ip(IPaddr_t ip)
{
struct eth_device *edev = eth_get_current();
- net_ip = ip;
- dev_set_param_ip(&edev->dev, "ipaddr", net_ip);
+ edev->ipaddr = ip;
}
IPaddr_t net_get_ip(void)
{
- return net_ip;
+ struct eth_device *edev = eth_get_current();
+
+ return edev->ipaddr;
}
void net_set_netmask(IPaddr_t nm)
{
struct eth_device *edev = eth_get_current();
- net_netmask = nm;
- dev_set_param_ip(&edev->dev, "netmask", net_netmask);
+ edev->netmask = nm;
}
void net_set_gateway(IPaddr_t gw)
{
struct eth_device *edev = eth_get_current();
- net_gateway = gw;
- dev_set_param_ip(&edev->dev, "gateway", net_gateway);
+ edev->gateway = gw;
}
static LIST_HEAD(connection_list);
@@ -362,16 +343,16 @@ static struct net_connection *net_new(IPaddr_t dest, rx_handler_f *handler,
if (!edev)
return ERR_PTR(-ENETDOWN);
- if (!is_valid_ether_addr(net_ether)) {
+ if (!is_valid_ether_addr(edev->ethaddr)) {
char str[sizeof("xx:xx:xx:xx:xx:xx")];
- random_ether_addr(net_ether);
- ethaddr_to_string(net_ether, str);
+ random_ether_addr(edev->ethaddr);
+ ethaddr_to_string(edev->ethaddr, str);
printf("warning: No MAC address set. Using random address %s\n", str);
dev_set_param(&edev->dev, "ethaddr", str);
}
/* If we don't have an ip only broadcast is allowed */
- if (!net_ip && dest != 0xffffffff)
+ if (!edev->ipaddr && dest != 0xffffffff)
return ERR_PTR(-ENETDOWN);
con = xzalloc(sizeof(*con));
@@ -394,14 +375,14 @@ static struct net_connection *net_new(IPaddr_t dest, rx_handler_f *handler,
}
con->et->et_protlen = htons(PROT_IP);
- memcpy(con->et->et_src, net_ether, 6);
+ memcpy(con->et->et_src, edev->ethaddr, 6);
con->ip->hl_v = 0x45;
con->ip->tos = 0;
con->ip->frag_off = htons(0x4000); /* No fragmentation */;
con->ip->ttl = 255;
net_copy_ip(&con->ip->daddr, &dest);
- net_copy_ip(&con->ip->saddr, &net_ip);
+ net_copy_ip(&con->ip->saddr, &edev->ipaddr);
list_add_tail(&con->list, &connection_list);
@@ -479,20 +460,21 @@ static int net_answer_arp(unsigned char *pkt, int len)
{
struct arprequest *arp = (struct arprequest *)(pkt + ETHER_HDR_SIZE);
struct ethernet *et = (struct ethernet *)pkt;
+ struct eth_device *edev = eth_get_current();
unsigned char *packet;
int ret;
debug("%s\n", __func__);
memcpy (et->et_dest, et->et_src, 6);
- memcpy (et->et_src, net_ether, 6);
+ memcpy (et->et_src, edev->ethaddr, 6);
et->et_protlen = htons(PROT_ARP);
arp->ar_op = htons(ARPOP_REPLY);
memcpy(&arp->ar_data[10], &arp->ar_data[0], 6);
net_copy_ip(&arp->ar_data[16], &arp->ar_data[6]);
- memcpy(&arp->ar_data[0], net_ether, 6);
- net_copy_ip(&arp->ar_data[6], &net_ip);
+ memcpy(&arp->ar_data[0], edev->ethaddr, 6);
+ net_copy_ip(&arp->ar_data[6], &edev->ipaddr);
packet = net_alloc_packet();
if (!packet)
@@ -517,6 +499,7 @@ static void net_bad_packet(unsigned char *pkt, int len)
static int net_handle_arp(unsigned char *pkt, int len)
{
+ struct eth_device *edev = eth_get_current();
struct arprequest *arp;
debug("%s: got arp\n", __func__);
@@ -541,9 +524,9 @@ static int net_handle_arp(unsigned char *pkt, int len)
goto bad;
if (arp->ar_pln != 4)
goto bad;
- if (net_ip == 0)
+ if (edev->ipaddr == 0)
return 0;
- if (net_read_ip(&arp->ar_data[16]) != net_ip)
+ if (net_read_ip(&arp->ar_data[16]) != edev->ipaddr)
return 0;
switch (ntohs(arp->ar_op)) {
@@ -600,6 +583,7 @@ static int net_handle_icmp(unsigned char *pkt, int len)
static int net_handle_ip(unsigned char *pkt, int len)
{
struct iphdr *ip = (struct iphdr *)(pkt + ETHER_HDR_SIZE);
+ struct eth_device *edev = eth_get_current();
IPaddr_t tmp;
debug("%s\n", __func__);
@@ -619,7 +603,7 @@ static int net_handle_ip(unsigned char *pkt, int len)
goto bad;
tmp = net_read_ip(&ip->daddr);
- if (net_ip && tmp != net_ip && tmp != 0xffffffff)
+ if (edev->ipaddr && tmp != edev->ipaddr && tmp != 0xffffffff)
return 0;
switch (ip->protocol) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 05:40:00 +0000