pscketsk: Add loss and timestamp sockoptions

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

protobuf/packet-sock.proto

@@ -16,4 +16,6 @@ message packet_sock_entry {
 	required bool		aux_data	= 10;
 	required bool		orig_dev	= 11;
 	required bool		vnet_hdr	= 12;
+	required bool		loss		= 13;
+	required uint32		timestamp	= 14;
 }

sk-packet.c

@@ -59,6 +59,9 @@ static int dump_one_packet_fd(int lfd, u32 id, const struct fd_parms *p)
 	if (dump_opt(lfd, SOL_PACKET, PACKET_RESERVE, &psk.reserve))
 		return -1;
 
+	if (dump_opt(lfd, SOL_PACKET, PACKET_TIMESTAMP, &psk.timestamp))
+		return -1;
+
 	if (dump_opt(lfd, SOL_PACKET, PACKET_AUXDATA, &yes))
 		return -1;
 	psk.aux_data = (yes ? true : false);
@@ -71,6 +74,10 @@ static int dump_one_packet_fd(int lfd, u32 id, const struct fd_parms *p)
 		return 1;
 	psk.vnet_hdr = (yes ? true : false);
 
+	if (dump_opt(lfd, SOL_PACKET, PACKET_LOSS, &yes))
+		return 1;
+	psk.loss = (yes ? true : false);
+
 	return pb_write_one(fdset_fd(glob_fdset, CR_FD_PACKETSK), &psk, PB_PACKETSK);
 }
 
@@ -118,6 +125,9 @@ static int open_packet_sk(struct file_desc *d)
 	if (restore_opt(sk, SOL_PACKET, PACKET_RESERVE, &pse->reserve))
 		goto err_cl;
 
+	if (restore_opt(sk, SOL_PACKET, PACKET_TIMESTAMP, &pse->timestamp))
+		goto err_cl;
+
 	if (pse->aux_data) {
 		yes = 1;
 		if (restore_opt(sk, SOL_PACKET, PACKET_AUXDATA, &yes))
@@ -136,6 +146,12 @@ static int open_packet_sk(struct file_desc *d)
 			goto err_cl;
 	}
 
+	if (pse->loss) {
+		yes = 1;
+		if (restore_opt(sk, SOL_PACKET, PACKET_LOSS, &yes))
+			goto err_cl;
+	}
+
 	if (rst_file_params(sk, pse->fown, pse->flags))
 		goto err_cl;