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Code

Separated MTU and size of packet buffer

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This commit is contained in:
Michal Zima 2012-07-14 09:47:29 +02:00
parent faa0ecc060
commit b9c6d5c46a
2 changed files with 4 additions and 5 deletions
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6
src/wrapper.c
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@ -43,8 +43,6 @@
#define IPV4_ADDR "192.168.0.111" #define IPV4_ADDR "192.168.0.111"
/* --- CONFIGURATION --- */ /* --- CONFIGURATION --- */
#define PACKET_SIZE MTU + sizeof(struct s_ethernet)
struct ifreq interface; struct ifreq interface;
struct s_mac_addr mac; struct s_mac_addr mac;
@ -63,7 +61,7 @@ int main(int argc, char **argv)
int sniff_sock; int sniff_sock;
int length; int length;
char buffer[PACKET_SIZE]; char buffer[PACKET_BUFFER];
log_info(PACKAGE_STRING " is starting"); log_info(PACKAGE_STRING " is starting");
@ -128,7 +126,7 @@ int main(int argc, char **argv)
/* sniff! :c) */ /* sniff! :c) */
for (;;) { for (;;) {
addr_size = sizeof(addr); addr_size = sizeof(addr);
if ((length = recv(sniff_sock, buffer, PACKET_SIZE, 0)) == -1) { if ((length = recv(sniff_sock, buffer, PACKET_BUFFER, 0)) == -1) {
log_error("Unable to retrieve data from socket"); log_error("Unable to retrieve data from socket");
return 1; return 1;
} }

3
src/wrapper.h
View File

@ -23,7 +23,8 @@
#include "ipv6.h" #include "ipv6.h"
/* +++ CONFIGURE +++ */ /* +++ CONFIGURE +++ */
#define MTU 1280 #define MTU 1280 /* MTU on IPv6 side */
#define PACKET_BUFFER 1514 /* buffer for any packet */
/* --- CONFIGURE --- */ /* --- CONFIGURE --- */
extern struct ifreq interface; extern struct ifreq interface;