diff options
Diffstat (limited to 'interface.c')
| -rw-r--r-- | interface.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/interface.c b/interface.c index 266cf6ba..370d078d 100644 --- a/interface.c +++ b/interface.c @@ -48,6 +48,7 @@ static int _get_ifinfo_(int socket_fd, FILE *stats_file, const char *ifname, struct ifreq request; char *cp, buffer[256]; int found = 0; + int counts[4]; /* initialize result */ memset((char *) ifinfo, 0, sizeof(ifinfo_t)); @@ -58,8 +59,17 @@ static int _get_ifinfo_(int socket_fd, FILE *stats_file, const char *ifname, if (!strncmp(cp, ifname, namelen) && cp[namelen] == ':') { cp += namelen + 1; - sscanf(cp, "%d %*d %*d %*d %*d %d %*d %*d %*d %*d %*d", - &ifinfo->rx_packets, &ifinfo->tx_packets); + if (sscanf(cp, "%d %d %*d %*d %*d %d %*d %d %*d %*d" + " %*d %*d %d",counts, counts+1, counts+2, + counts+3,&found)>4) { /* found = dummy */ + /* newer kernel with byte counts */ + ifinfo->rx_packets=counts[1]; + ifinfo->tx_packets=counts[3]; + } else { + /* older kernel, no byte counts */ + ifinfo->rx_packets=counts[0]; + ifinfo->tx_packets=counts[2]; + } found = 1; } } |