set MTU on tunnel interface so the kernel will re-fragment large packets to within MRU

[l2tpns.git] / arp.c

diff --git a/arp.c b/arp.c
index 4434364..5ffd1a4 100644 (file)
--- a/arp.c
+++ b/arp.c
@@ -1,6 +1,6 @@
 // L2TPNS: arp
 
 // L2TPNS: arp
 

-char const *cvs_id_arp = "$Id: arp.c,v 1.4 2004/07/08 16:19:09 bodea Exp $";
+char const *cvs_id_arp = "$Id: arp.c,v 1.7 2005/07/31 10:04:09 bodea Exp $";

 
 #include <string.h>
 #include <unistd.h>
 
 #include <string.h>
 #include <unistd.h>


@@ -18,18 +18,18 @@ struct arp_buf {
 
        /* Data bit - variably sized, so not present in |struct arphdr| */
        unsigned char ar_sha[ETH_ALEN]; /* Sender hardware address */
 
        /* Data bit - variably sized, so not present in |struct arphdr| */
        unsigned char ar_sha[ETH_ALEN]; /* Sender hardware address */

-       ipt ar_sip;                     /* Sender IP address. */
+       in_addr_t ar_sip;               /* Sender IP address. */

        unsigned char ar_tha[ETH_ALEN]; /* Target hardware address */
        unsigned char ar_tha[ETH_ALEN]; /* Target hardware address */

-       ipt ar_tip;                     /* Target ip */
+       in_addr_t ar_tip;               /* Target ip */

 } __attribute__((packed));
 
 } __attribute__((packed));
 

-void sendarp(int ifr_idx, const unsigned char* mac, ipt ip)
+void sendarp(int ifr_idx, const unsigned char* mac, in_addr_t ip)

 {
        int fd;
        struct sockaddr_ll sll;
        struct arp_buf buf;
 
 {
        int fd;
        struct sockaddr_ll sll;
        struct arp_buf buf;
 

-       CSTAT(call_sendarp);
+       CSTAT(sendarp);

        STAT(arp_sent);
 
        /* Ethernet */
        STAT(arp_sent);
 
        /* Ethernet */


@@ -55,7 +55,7 @@ void sendarp(int ifr_idx, const unsigned char* mac, ipt ip)
 
        memset(&sll, 0, sizeof(sll));
        sll.sll_family = AF_PACKET;
 
        memset(&sll, 0, sizeof(sll));
        sll.sll_family = AF_PACKET;

-       strncpy(sll.sll_addr, mac, sizeof(sll.sll_addr) - 1);
+       memcpy(sll.sll_addr, mac, sizeof(sll.sll_addr) - 1);

        sll.sll_halen = ETH_ALEN;
        sll.sll_ifindex = ifr_idx;
 
        sll.sll_halen = ETH_ALEN;
        sll.sll_ifindex = ifr_idx;