kernel/net: raise the TCP connect timeout to 10 s

kernel/net: send TCP timestamps in network byte order
kernel/net: don't count the TCP header in the MSS
2026-09-30 13:49:08 +03:00 · 2026-09-30 13:49:07 +03:00 · 2026-09-30 13:49:06 +03:00 · 2026-09-30 13:49:05 +03:00
3 changed files with 15 additions and 6 deletions
@@ -72,7 +72,7 @@ TCP_time_rtt_default    = 5           ; default Round Trip Time (3,2s)
 TCP_time_srtt_default   = 0           ;
 TCP_time_max_idle       = 8*TCP_time_keep_interval      ; FIXME

-TCP_time_connect        = 300         ; in 1/100s (default=3s)
+TCP_time_connect        = 1000        ; in 1/100s (default=10s)

 ; timer constants
 TCP_max_rxtshift        = 12          ; max retransmissions waiting for ACK
@@ -399,6 +399,7 @@ endl
        bswap   eax
        mov     [ebx + TCP_SOCKET.ts_val], eax
        lodsd                                   ; timestamp echo reply
+        bswap   eax
        mov     [ebx + TCP_SOCKET.ts_ecr], eax
        or      [temp_bits], TCP_BIT_TIMESTAMP

@@ -978,7 +979,7 @@ endl

        inc     [ebx + TCP_SOCKET.t_dupacks]
        cmp     [ebx + TCP_SOCKET.t_dupacks], TCP_re_xmit_thresh
-        jb      .dup_ack_complete
+        jb      .ack_processed
        ja      .another_lost

        DEBUGF  DEBUG_NETWORK_VERBOSE, "TCP_input: Re-transmitting lost segment\n"
@@ -391,8 +391,14 @@ endl
        jz      .no_timestamp

  .timestamp:
-        pushd   0
-        pushd   [timer_ticks]
+        push    ebx
+        mov     ebx, [eax + TCP_SOCKET.ts_recent]
+        bswap   ebx
+        xchg    ebx, [esp]                      ; TSecr
+        push    ebx
+        mov     ebx, [timer_ticks]
+        bswap   ebx
+        xchg    ebx, [esp]                      ; TSval
        pushd   TCP_OPT_NOP + TCP_OPT_NOP shl 8 + TCP_OPT_TIMESTAMP shl 16 + 10 shl 24
        add     di, 12

@@ -413,10 +419,12 @@ endl
 ; check if we don't exceed the max segment size

        add     esi, edi                        ; total TCP segment size
-        cmp     esi, [eax + TCP_SOCKET.t_maxseg]
+        mov     ebx, [eax + TCP_SOCKET.t_maxseg]
+        add     ebx, sizeof.TCP_header          ; MSS does not count the header
+        cmp     esi, ebx
        jbe     .no_overflow

-        mov     esi, [eax + TCP_SOCKET.t_maxseg]
+        mov     esi, ebx
        or      [temp_bits], TCP_BIT_SENDALOT
  .no_overflow:
Author	SHA1	Message	Date
Leency	41a6307146	kernel/net: raise the TCP connect timeout to 10 s Check kernel codestyle / Check kernel codestyle (pull_request) Successful in 36s Details Test PR / Build (en_US) (pull_request) Successful in 3m30s Details Test PR / Build (es_ES) (pull_request) Successful in 3m14s Details Test PR / Build (ru_RU) (pull_request) Successful in 2m54s Details	2026-09-30 13:49:08 +03:00
Leency	33f6568fa0	kernel/net: send TCP timestamps in network byte order	2026-09-30 13:49:07 +03:00
Leency	f28e09d297	kernel/net: don't count the TCP header in the MSS	2026-09-30 13:49:06 +03:00
Leency	0a72224228	kernel/net: fix TCP fast retransmit	2026-09-30 13:49:05 +03:00