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linux-user: handle AF_PACKET sockaddrs in target_to_host_sockaddr

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Implement conversion of the AF_PACKET sockaddr subtype
in target_to_host_sockaddr.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Joakim Tjernlund 2014-07-12 15:47:07 +02:00 committed by Riku Voipio
parent 451aaf688c
commit 33a29b51c9
2 changed files with 17 additions and 0 deletions
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7
linux-user/syscall.c
View File

@ -1140,6 +1140,13 @@ static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
memcpy(addr, target_saddr, len);
addr->sa_family = sa_family;
if (sa_family == AF_PACKET) {
struct target_sockaddr_ll *lladdr;
lladdr = (struct target_sockaddr_ll *)addr;
lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
}
unlock_user(target_saddr, target_addr, 0);
return 0;

10
linux-user/syscall_defs.h
View File

@ -121,6 +121,16 @@ struct target_sockaddr {
uint8_t sa_data[14];
};
struct target_sockaddr_ll {
uint16_t sll_family; /* Always AF_PACKET */
uint16_t sll_protocol; /* Physical layer protocol */
int sll_ifindex; /* Interface number */
uint16_t sll_hatype; /* ARP hardware type */
uint8_t sll_pkttype; /* Packet type */
uint8_t sll_halen; /* Length of address */
uint8_t sll_addr[8]; /* Physical layer address */
};
struct target_sock_filter {
abi_ushort code;
uint8_t jt;