| 779,7 → 779,8 |
|---|
| test [edx + TCP_segment.Flags], TH_ACK |
| jz .drop |
| |
| ;tp = tcp_drop(tp, ECONNREFUSED) |
| mov ebx, ECONNREFUSED |
| call TCP_drop |
| |
| jmp .drop |
| @@: |
| 1063,7 → 1064,9 |
|---|
| test [edx + TCP_segment.Flags], TH_SYN |
| jz @f |
| |
| ;;; tcp_drop ( ECONNRESET) |
| mov ebx, ECONNRESET |
| call TCP_drop |
| |
| jmp .drop_with_reset |
| |
| test [edx + TCP_segment.Flags], TH_ACK |
| 1964,8 → 1967,9 |
|---|
| ; TCP_drop |
| ; |
| ; IN: eax = socket ptr |
| ; ebx = error number |
| ; |
| ; OUT: / |
| ; OUT: eax = socket ptr |
| ; |
| ;------------------------- |
| align 4 |
| 1973,21 → 1977,48 |
|---|
| |
| DEBUGF 1,"TCP_drop\n" |
| |
| ; cmp [eax + TCP_SOCKET.t_state], TCB_SYN_RECEIVED |
| ; jl .no_syn_received |
| cmp [eax + TCP_SOCKET.t_state], TCB_SYN_RECEIVED |
| jl .no_syn_received |
| |
| mov [eax + TCP_SOCKET.t_state], TCB_CLOSED |
| |
| call TCP_output |
| |
| ; .no_syn_received: |
| ;;; TODO: update stats |
| |
| jmp TCP_close |
| |
| .no_syn_received: |
| |
| ;;; TODO: update stats |
| |
| ;;; TODO: check if error code is "Connection timed out' and handle accordingly |
| |
| mov [eax + SOCKET.errorcode], ebx |
| |
| jmp TCP_close |
| |
| |
| ;------------------------- |
| ; |
| ; TCP_close |
| ; |
| ; IN: eax = socket ptr |
| ; OUT: eax = socket ptr |
| ; |
| ;------------------------- |
| align 4 |
| TCP_close: |
| |
| ;;; TODO: update RTT and mean deviation |
| ;;; TODO: update slow start threshold |
| ;;; TODO: release connection resources |
| |
| ret |
| |
| |
| |
| |
| |
| ;--------------------------------------- |
| ; |
| ; The easy way to send an ACK/RST/keepalive segment |