[Qemu-devel] [PATCH 2/2 v2] linux-user: impl. sockaddr_ll

[Joakim Tjernlund]

Used by AF_PACKET sockets
---
 linux-user/syscall.c      |  7 +++++++
 linux-user/syscall_defs.h | 10 ++++++++++
 2 files changed, 17 insertions(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 5a07d9c..a87fe74 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -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;
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 8563027..329c9c5 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -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;
-- 
1.8.5.5