static int do_tunnels_list(struct ip_tunnel_parm *p) { char name[IFNAMSIZ]; unsigned long rx_bytes, rx_packets, rx_errs, rx_drops, rx_fifo, rx_frame, tx_bytes, tx_packets, tx_errs, tx_drops, tx_fifo, tx_colls, tx_carrier, rx_multi; int type; struct ip_tunnel_parm p1; char buf[512]; FILE *fp = fopen("/proc/net/dev", "r"); if (fp == NULL) { perror("fopen"); return -1; } fgets(buf, sizeof(buf), fp); fgets(buf, sizeof(buf), fp); while (fgets(buf, sizeof(buf), fp) != NULL) { char *ptr; buf[sizeof(buf) - 1] = 0; if ((ptr = strchr(buf, ':')) == NULL || (*ptr++ = 0, sscanf(buf, "%s", name) != 1)) { fprintf(stderr, "Wrong format of /proc/net/dev. Sorry.\n"); return -1; } if (sscanf(ptr, "%ld%ld%ld%ld%ld%ld%ld%*d%ld%ld%ld%ld%ld%ld%ld", &rx_bytes, &rx_packets, &rx_errs, &rx_drops, &rx_fifo, &rx_frame, &rx_multi, &tx_bytes, &tx_packets, &tx_errs, &tx_drops, &tx_fifo, &tx_colls, &tx_carrier) != 14) continue; if (p->name[0] && strcmp(p->name, name)) continue; type = tnl_ioctl_get_iftype(name); if (type == -1) { fprintf(stderr, "Failed to get type of [%s]\n", name); continue; } if (type != ARPHRD_TUNNEL && type != ARPHRD_IPGRE && type != ARPHRD_SIT) continue; memset(&p1, 0, sizeof(p1)); if (tnl_get_ioctl(name, &p1)) continue; if ((p->link && p1.link != p->link) || (p->name[0] && strcmp(p1.name, p->name)) || (p->iph.daddr && p1.iph.daddr != p->iph.daddr) || (p->iph.saddr && p1.iph.saddr != p->iph.saddr) || (p->i_key && p1.i_key != p->i_key)) continue; print_tunnel(&p1); if (show_stats) { printf("%s", _SL_); printf("RX: Packets Bytes Errors CsumErrs OutOfSeq Mcasts%s", _SL_); printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-8ld%s", rx_packets, rx_bytes, rx_errs, rx_frame, rx_fifo, rx_multi, _SL_); printf("TX: Packets Bytes Errors DeadLoop NoRoute NoBufs%s", _SL_); printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-6ld", tx_packets, tx_bytes, tx_errs, tx_colls, tx_carrier, tx_drops); } printf("\n"); } return 0; }
static int do_tunnels_list(struct ip6_tnl_parm *p) { char buf[512]; int err = -1; FILE *fp = fopen("/proc/net/dev", "r"); if (fp == NULL) { perror("fopen"); goto end; } /* skip two lines at the begenning of the file */ fgets(buf, sizeof(buf), fp); fgets(buf, sizeof(buf), fp); while (fgets(buf, sizeof(buf), fp) != NULL) { char name[IFNAMSIZ]; int type; unsigned long rx_bytes, rx_packets, rx_errs, rx_drops, rx_fifo, rx_frame, tx_bytes, tx_packets, tx_errs, tx_drops, tx_fifo, tx_colls, tx_carrier, rx_multi; struct ip6_tnl_parm p1; char *ptr; buf[sizeof(buf) - 1] = '\0'; if ((ptr = strchr(buf, ':')) == NULL || (*ptr++ = 0, sscanf(buf, "%s", name) != 1)) { fprintf(stderr, "Wrong format of /proc/net/dev. Sorry.\n"); goto end; } if (sscanf(ptr, "%ld%ld%ld%ld%ld%ld%ld%*d%ld%ld%ld%ld%ld%ld%ld", &rx_bytes, &rx_packets, &rx_errs, &rx_drops, &rx_fifo, &rx_frame, &rx_multi, &tx_bytes, &tx_packets, &tx_errs, &tx_drops, &tx_fifo, &tx_colls, &tx_carrier) != 14) continue; if (p->name[0] && strcmp(p->name, name)) continue; type = tnl_ioctl_get_iftype(name); if (type == -1) { fprintf(stderr, "Failed to get type of [%s]\n", name); continue; } if (type != ARPHRD_TUNNEL6) continue; memset(&p1, 0, sizeof(p1)); ip6_tnl_parm_init(&p1, 0); strcpy(p1.name, name); p1.link = tnl_ioctl_get_ifindex(p1.name); if (p1.link == 0) continue; if (tnl_get_ioctl(p1.name, &p1)) continue; if (!ip6_tnl_parm_match(p, &p1)) continue; print_tunnel(&p1); if (show_stats) { printf("%s", _SL_); printf("RX: Packets Bytes Errors CsumErrs OutOfSeq Mcasts%s", _SL_); printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-8ld%s", rx_packets, rx_bytes, rx_errs, rx_frame, rx_fifo, rx_multi, _SL_); printf("TX: Packets Bytes Errors DeadLoop NoRoute NoBufs%s", _SL_); printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-6ld", tx_packets, tx_bytes, tx_errs, tx_colls, tx_carrier, tx_drops); } printf("\n"); } err = 0; end: if (fp) fclose(fp); return err; }