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Differential D14702 Diff 40798 head/sbin/ifconfig/af_link.c

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head/sbin/ifconfig/af_link.c

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static struct ifreq link_ridreq; static struct ifreq link_ridreq;
extern char *f_ether; extern char *f_ether;
static void static void
link_status(int s __unused, const struct ifaddrs *ifa) link_status(int s __unused, const struct ifaddrs *ifa)
{ {
/* XXX no const 'cuz LLADDR is defined wrong */ /* XXX no const 'cuz LLADDR is defined wrong */
struct sockaddr_dl *sdl = (struct sockaddr_dl *) ifa->ifa_addr; struct sockaddr_dl *sdl;
char *ether_format, *format_char; char *ether_format, *format_char;
struct ifreq ifr;
int n, rc, sock_hw;
static const u_char laggaddr[6] = {0};
if (sdl != NULL && sdl->sdl_alen > 0) { sdl = (struct sockaddr_dl *) ifa->ifa_addr;
if ((sdl->sdl_type == IFT_ETHER || if (sdl == NULL || sdl->sdl_alen == 0)
sdl->sdl_type == IFT_L2VLAN || return;
sdl->sdl_type == IFT_BRIDGE) &&
sdl->sdl_alen == ETHER_ADDR_LEN) { if ((sdl->sdl_type == IFT_ETHER || sdl->sdl_type == IFT_L2VLAN ||
sdl->sdl_type == IFT_BRIDGE) && sdl->sdl_alen == ETHER_ADDR_LEN) {
ether_format = ether_ntoa((struct ether_addr *)LLADDR(sdl)); ether_format = ether_ntoa((struct ether_addr *)LLADDR(sdl));
if (f_ether != NULL && strcmp(f_ether, "dash") == 0) { if (f_ether != NULL && strcmp(f_ether, "dash") == 0) {
for (format_char = strchr(ether_format, ':'); for (format_char = strchr(ether_format, ':');
format_char != NULL; format_char != NULL;
format_char = strchr(ether_format, ':')) format_char = strchr(ether_format, ':'))
*format_char = '-'; *format_char = '-';
} }
printf("\tether %s\n", ether_format); printf("\tether %s\n", ether_format);
} else { } else {
int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0; n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0;
printf("\tlladdr %s\n", link_ntoa(sdl) + n); printf("\tlladdr %s\n", link_ntoa(sdl) + n);
} }
/* Best-effort (i.e. failures are silent) to get original
/*
* Best-effort (i.e. failures are silent) to get original
* hardware address, as read by NIC driver at attach time. Only * hardware address, as read by NIC driver at attach time. Only
* applies to Ethernet NICs (IFT_ETHER). However, laggX * applies to Ethernet NICs (IFT_ETHER). However, laggX
* interfaces claim to be IFT_ETHER, and re-type their component * interfaces claim to be IFT_ETHER, and re-type their component
* Ethernet NICs as IFT_IEEE8023ADLAG. So, check for both. If * Ethernet NICs as IFT_IEEE8023ADLAG. So, check for both. If
* the MAC is zeroed, then it's actually a lagg. * the MAC is zeroed, then it's actually a lagg.
*/ */
if ((sdl->sdl_type == IFT_ETHER || if ((sdl->sdl_type != IFT_ETHER &&
sdl->sdl_type == IFT_IEEE8023ADLAG) && sdl->sdl_type != IFT_IEEE8023ADLAG) ||
sdl->sdl_alen == ETHER_ADDR_LEN) { sdl->sdl_alen != ETHER_ADDR_LEN)
struct ifreq ifr; return;
int sock_hw;
int rc;
static const u_char laggaddr[6] = {0};
strncpy(ifr.ifr_name, ifa->ifa_name, strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
sizeof(ifr.ifr_name)); memcpy(&ifr.ifr_addr, ifa->ifa_addr, sizeof(ifa->ifa_addr->sa_len));
memcpy(&ifr.ifr_addr, ifa->ifa_addr,
sizeof(ifa->ifa_addr->sa_len));
ifr.ifr_addr.sa_family = AF_LOCAL; ifr.ifr_addr.sa_family = AF_LOCAL;
if ((sock_hw = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0) { if ((sock_hw = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0) {
warn("socket(AF_LOCAL,SOCK_DGRAM)"); warn("socket(AF_LOCAL,SOCK_DGRAM)");
return; return;
} }
rc = ioctl(sock_hw, SIOCGHWADDR, &ifr); rc = ioctl(sock_hw, SIOCGHWADDR, &ifr);
close(sock_hw); close(sock_hw);
if (rc != 0) { if (rc != 0)
return; return;
}
/* /*
* If this is definitely a lagg device or the hwaddr * If this is definitely a lagg device or the hwaddr
* matches the link addr, don't bother. * matches the link addr, don't bother.
*/ */
if (memcmp(ifr.ifr_addr.sa_data, laggaddr, if (memcmp(ifr.ifr_addr.sa_data, laggaddr, sdl->sdl_alen) == 0 ||
sdl->sdl_alen) == 0 || memcmp(ifr.ifr_addr.sa_data, LLADDR(sdl), sdl->sdl_alen) == 0)
memcmp(ifr.ifr_addr.sa_data, LLADDR(sdl), goto pcp;
sdl->sdl_alen) == 0) {
return;
}
ether_format = ether_ntoa((const struct ether_addr *) ether_format = ether_ntoa((const struct ether_addr *)
&ifr.ifr_addr.sa_data); &ifr.ifr_addr.sa_data);
if (f_ether != NULL && strcmp(f_ether, "dash") == 0) { if (f_ether != NULL && strcmp(f_ether, "dash") == 0) {
for (format_char = strchr(ether_format, ':'); for (format_char = strchr(ether_format, ':');
format_char != NULL; format_char != NULL;
format_char = strchr(ether_format, ':')) format_char = strchr(ether_format, ':'))
*format_char = '-'; *format_char = '-';
} }
printf("\thwaddr %s\n", ether_format); printf("\thwaddr %s\n", ether_format);
}
} pcp:
if (ioctl(s, SIOCGLANPCP, (caddr_t)&ifr) == 0 &&
ifr.ifr_lan_pcp != IFNET_PCP_NONE)
printf("\tpcp %d\n", ifr.ifr_lan_pcp);
} }
static void static void
link_getaddr(const char *addr, int which) link_getaddr(const char *addr, int which)
{ {
char *temp; char *temp;
struct sockaddr_dl sdl; struct sockaddr_dl sdl;
struct sockaddr *sa = &link_ridreq.ifr_addr; struct sockaddr *sa = &link_ridreq.ifr_addr;
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