diff --git a/kernel/branches/net/network/socket.inc b/kernel/branches/net/network/socket.inc
index 41fb31bf29..b4deeb5bc0 100644
--- a/kernel/branches/net/network/socket.inc
+++ b/kernel/branches/net/network/socket.inc
@@ -897,7 +897,6 @@ SOCKET_send_pppoe:
         mov     [esp+32], ecx
         mov     ebx, [eax + SOCKET.device]
 
-        mov     ecx, esi
         call    PPPoE_discovery_output
         cmp     eax, -1
         je      s_error
diff --git a/kernel/branches/net/network/tcp.inc b/kernel/branches/net/network/tcp.inc
index a0015b3a7f..05188c6980 100644
--- a/kernel/branches/net/network/tcp.inc
+++ b/kernel/branches/net/network/tcp.inc
@@ -54,6 +54,8 @@ TCP_OPT_EOL             = 0           ; End of option list.
 TCP_OPT_NOP             = 1           ; No-Operation.
 TCP_OPT_MAXSEG          = 2           ; Maximum Segment Size.
 TCP_OPT_WINDOW          = 3           ; window scale
+TCP_OPT_SACK_PERMIT     = 4           ; Selective Acknowledgement
+TCP_OPT_SACK            = 5
 TCP_OPT_TIMESTAMP       = 8
 
 ; Fundamental timer values
diff --git a/kernel/branches/net/network/tcp_subr.inc b/kernel/branches/net/network/tcp_subr.inc
index 208fa94b52..eb0bada8b2 100644
--- a/kernel/branches/net/network/tcp_subr.inc
+++ b/kernel/branches/net/network/tcp_subr.inc
@@ -85,7 +85,7 @@ macro   TCP_rcvseqinit ptr {
 macro   TCP_init_socket socket {
 
         mov     [socket + TCP_SOCKET.t_maxseg], TCP_mss_default
-        mov     [socket + TCP_SOCKET.t_flags], 0                ; we could also request scale and timestamp
+        mov     [socket + TCP_SOCKET.t_flags], TF_REQ_SCALE or TF_REQ_TSTMP
 
         mov     [socket + TCP_SOCKET.t_srtt], TCP_time_srtt_default
         mov     [socket + TCP_SOCKET.t_rttvar], TCP_time_rtt_default * 4