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Kernel: Define and return the ARPHRD_* device type in SIOCGIFHWADDR

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The sa_family field in SIOCGIFHWADDR specifies the underlying network
interface's device type, this is hardcoded to generic "Ethernet" right
now, as we don't have a nice way to query it.
This commit is contained in:
Idan Horowitz 2021-12-05 01:36:04 +02:00 • committed by Brian Gianforcaro
parent 3080cc16ec
commit 3a1ff175e8
2 changed files with 9 additions and 1 deletions
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8
Kernel/API/POSIX/net/if_arp.h
View file

@ -21,6 +21,14 @@ struct arpreq {
char arp_dev[16]; char arp_dev[16];
}; };
#define ARPHRD_ETHER 1
#define ARPHRD_IEEE802 6
#define ARPHRD_SLIP 256
#define ARPHRD_PPP 512
#define ARPHRD_LOOPBACK 772
#define ARPHRD_FDDI 774
#define ARPHRD_IEEE802_TR 800
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

2
Kernel/Net/IPv4Socket.cpp
View file

@ -712,7 +712,7 @@ ErrorOr<void> IPv4Socket::ioctl(OpenFileDescription&, unsigned request, Userspac
case SIOCGIFHWADDR: { case SIOCGIFHWADDR: {
auto mac_address = adapter->mac_address(); auto mac_address = adapter->mac_address();
ifr.ifr_hwaddr.sa_family = AF_INET; ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER; // FIXME: Query the underlying network interface for it's type
mac_address.copy_to(Bytes { ifr.ifr_hwaddr.sa_data, sizeof(ifr.ifr_hwaddr.sa_data) }); mac_address.copy_to(Bytes { ifr.ifr_hwaddr.sa_data, sizeof(ifr.ifr_hwaddr.sa_data) });
return copy_to_user(user_ifr, &ifr); return copy_to_user(user_ifr, &ifr);
} }