diff options
Diffstat (limited to 'net/net.c')
| -rw-r--r-- | net/net.c | 40 |
1 files changed, 29 insertions, 11 deletions
@@ -310,6 +310,7 @@ int NetLoop(enum proto_t protocol) NetRestarted = 0; NetDevExists = 0; NetTryCount = 1; + debug_cond(DEBUG_INT_STATE, "--- NetLoop Entry\n"); bootstage_mark_name(BOOTSTAGE_ID_ETH_START, "eth_start"); net_init(); @@ -330,6 +331,7 @@ restart: * here on, this code is a state machine driven by received * packets and timer events. */ + debug_cond(DEBUG_INT_STATE, "--- NetLoop Init\n"); NetInitLoop(); switch (net_check_prereq(protocol)) { @@ -460,6 +462,9 @@ restart: net_cleanup_loop(); eth_halt(); puts("\nAbort\n"); + /* include a debug print as well incase the debug + messages are directed to stderr */ + debug_cond(DEBUG_INT_STATE, "--- NetLoop Abort!\n"); goto done; } @@ -487,6 +492,7 @@ restart: } #endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */ #endif /* CONFIG_MII, ... */ + debug_cond(DEBUG_INT_STATE, "--- NetLoop timeout\n"); x = timeHandler; timeHandler = (thand_f *)0; (*x)(); @@ -514,10 +520,12 @@ restart: } eth_halt(); ret = NetBootFileXferSize; + debug_cond(DEBUG_INT_STATE, "--- NetLoop Success!\n"); goto done; case NETLOOP_FAIL: net_cleanup_loop(); + debug_cond(DEBUG_INT_STATE, "--- NetLoop Fail!\n"); goto done; case NETLOOP_CONTINUE: @@ -605,6 +613,7 @@ rxhand_f *net_get_udp_handler(void) void net_set_udp_handler(rxhand_f *f) { + debug_cond(DEBUG_INT_STATE, "--- NetLoop UDP handler set (%p)\n", f); if (f == NULL) udp_packet_handler = dummy_handler; else @@ -618,6 +627,7 @@ rxhand_f *net_get_arp_handler(void) void net_set_arp_handler(rxhand_f *f) { + debug_cond(DEBUG_INT_STATE, "--- NetLoop ARP handler set (%p)\n", f); if (f == NULL) arp_packet_handler = dummy_handler; else @@ -635,8 +645,12 @@ void NetSetTimeout(ulong iv, thand_f *f) { if (iv == 0) { + debug_cond(DEBUG_INT_STATE, + "--- NetLoop timeout handler cancelled\n"); timeHandler = (thand_f *)0; } else { + debug_cond(DEBUG_INT_STATE, + "--- NetLoop timeout handler set (%p)\n", f); timeHandler = f; timeStart = get_timer(0); timeDelta = iv; @@ -672,7 +686,7 @@ int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, /* if MAC address was not discovered yet, do an ARP request */ if (memcmp(ether, NetEtherNullAddr, 6) == 0) { - debug("sending ARP for %pI4\n", &dest); + debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &dest); /* save the ip and eth addr for the packet to send after arp */ NetArpWaitPacketIP = dest; @@ -687,7 +701,8 @@ int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, ArpRequest(); return 1; /* waiting */ } else { - debug("sending UDP to %pI4/%pM\n", &dest, ether); + debug_cond(DEBUG_DEV_PKT, "sending UDP to %pI4/%pM\n", + &dest, ether); NetSendPacket(NetTxPacket, pkt_hdr_size + payload_len); return 0; /* transmitted */ } @@ -910,7 +925,7 @@ NetReceive(uchar *inpkt, int len) #endif ushort cti = 0, vlanid = VLAN_NONE, myvlanid, mynvlanid; - debug("packet received\n"); + debug_cond(DEBUG_NET_PKT, "packet received\n"); NetRxPacket = inpkt; NetRxPacketLen = len; @@ -941,8 +956,6 @@ NetReceive(uchar *inpkt, int len) eth_proto = ntohs(et->et_protlen); - debug("packet received\n"); - if (eth_proto < 1514) { struct e802_hdr *et802 = (struct e802_hdr *)et; /* @@ -962,7 +975,7 @@ NetReceive(uchar *inpkt, int len) struct vlan_ethernet_hdr *vet = (struct vlan_ethernet_hdr *)et; - debug("VLAN packet received\n"); + debug_cond(DEBUG_NET_PKT, "VLAN packet received\n"); /* too small packet? */ if (len < VLAN_ETHER_HDR_SIZE) @@ -984,7 +997,7 @@ NetReceive(uchar *inpkt, int len) len -= VLAN_ETHER_HDR_SIZE; } - debug("Receive from protocol 0x%x\n", eth_proto); + debug_cond(DEBUG_NET_PKT, "Receive from protocol 0x%x\n", eth_proto); #if defined(CONFIG_CMD_CDP) if (iscdp) { @@ -1013,7 +1026,7 @@ NetReceive(uchar *inpkt, int len) break; #endif case PROT_IP: - debug("Got IP\n"); + debug_cond(DEBUG_NET_PKT, "Got IP\n"); /* Before we start poking the header, make sure it is there */ if (len < IP_UDP_HDR_SIZE) { debug("len bad %d < %lu\n", len, @@ -1022,11 +1035,12 @@ NetReceive(uchar *inpkt, int len) } /* Check the packet length */ if (len < ntohs(ip->ip_len)) { - printf("len bad %d < %d\n", len, ntohs(ip->ip_len)); + debug("len bad %d < %d\n", len, ntohs(ip->ip_len)); return; } len = ntohs(ip->ip_len); - debug("len=%d, v=%02x\n", len, ip->ip_hl_v & 0xff); + debug_cond(DEBUG_NET_PKT, "len=%d, v=%02x\n", + len, ip->ip_hl_v & 0xff); /* Can't deal with anything except IPv4 */ if ((ip->ip_hl_v & 0xf0) != 0x40) @@ -1036,7 +1050,7 @@ NetReceive(uchar *inpkt, int len) return; /* Check the Checksum of the header */ if (!NetCksumOk((uchar *)ip, IP_HDR_SIZE / 2)) { - puts("checksum bad\n"); + debug("checksum bad\n"); return; } /* If it is not for us, ignore it */ @@ -1085,6 +1099,10 @@ NetReceive(uchar *inpkt, int len) return; } + debug_cond(DEBUG_DEV_PKT, + "received UDP (to=%pI4, from=%pI4, len=%d)\n", + &dst_ip, &src_ip, len); + #ifdef CONFIG_UDP_CHECKSUM if (ip->udp_xsum != 0) { ulong xsum; |