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Re: Problem with TCP/IP stack
Ok, I am trying to do that. But if the ISR of my fist interface return
0, the ISR of the second interface is not called. Does it nead to have
2 different ISR routine or the same with different parameter is enough
?
2008/1/11, Gary Thomas <gary@mlbassoc.com>:
> Antoine Zen-Ruffinen wrote:
> > Ok, I found the problem but I dont' know how to solve it: My two NIC
> > are sharing the same interrupt. So when the second NIC do an
> > interrupt, it is handel like it is the first NIC that interrupt.
> >
> > Does someone know how to solve such an issue ?
> >
>
> The key is to make your interrupt handler (ISR) tell the upper
> layers which board did it. This is reflected in the (struct eth_drv_sc *)
> parameter that you pass upstream. Somehow, your driver will have
> to keep track of these (there is one such structure per physical
> device entity), then determine which board is responsible and
> use that information to decide which device (i.e. structure) to use.
>
> If you're using the same interrupt for both devices, surely you
> have Interrupt Chaining turned on in eCos? This allows for multiple
> ISR/DSR pairs to be registered for the same interrupt. eCos will
> call these ISR functions until one of them returns that it had
> handled the interrupt. This could be used to easily handle your
> situation.
>
> > 2008/1/11, Antoine Zen-Ruffinen <antoine.zen@gmail.com>:
> >> Some new discover : If a use only one of the two NIC I have on my
> >> system, everything work fine. When using two NIC, interrupts all the
> >> time, even if no network activity, even if doing nothing and ARP
> >> response are not catch by network stack. So the problem is a conflict
> >> between both interfaces. Here is my driver declaration (for the i386
> >> platform), maybe something wrong there :
> >>
> >> #include <cyg/hal/hal_cache.h>
> >> #include <cyg/io/pci.h>
> >>
> >>
> >> static cyg_bool
> >> find_dp83816_match_func(cyg_uint16 v, cyg_uint16 d, cyg_uint32 c, void *p)
> >> {
> >> return ((v == 0x100B) && (d == 0x0020));
> >> }
> >>
> >> cyg_pci_device_id devid = CYG_PCI_NULL_DEVID;
> >> static void
> >> _i386_pc_eth_init(dp83816_priv_data_t *dp)
> >> {
> >>
> >> cyg_pci_device dev_info;
> >>
> >>
> >> if (cyg_pci_find_matching( &find_dp83816_match_func, NULL, &devid )) {
> >> cyg_pci_get_device_info(devid, &dev_info);
> >> cyg_pci_translate_interrupt(&dev_info, &dp->interrupt);
> >> dp->base = (cyg_uint8 *)(dev_info.base_map[0] & ~1);
> >> diag_printf("DP83816 at %p, interrupt: %x\n", dp->base, dp->interrupt);
> >> }
> >> }
> >>
> >> #undef CYGHWR_NS_DP83816_PLF_INIT
> >> #define CYGHWR_NS_DP83816_PLF_INIT(dp) _i386_pc_eth_init(dp)
> >>
> >> // Align buffers on a cache boundary
> >> #define RxBUFSIZE (CYGNUM_DEVS_ETH_I386_PC_DP83816_RxNUM * _DP83816_BUFSIZE)
> >> #define TxBUFSIZE (CYGNUM_DEVS_ETH_I386_PC_DP83816_TxNUM * _DP83816_BUFSIZE)
> >> static unsigned char dp83816_eth0_rxbufs[RxBUFSIZE]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >> static unsigned char dp83816_eth0_txbufs[TxBUFSIZE]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >> static dp83816_bd_t
> >> dp83816_eth0_rxbd[CYGNUM_DEVS_ETH_I386_PC_DP83816_RxNUM]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >> static dp83816_bd_t
> >> dp83816_eth0_txbd[CYGNUM_DEVS_ETH_I386_PC_DP83816_TxNUM]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >>
> >> static unsigned char dp83816_eth1_rxbufs[RxBUFSIZE]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >> static unsigned char dp83816_eth1_txbufs[TxBUFSIZE]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >> static dp83816_bd_t
> >> dp83816_eth1_rxbd[CYGNUM_DEVS_ETH_I386_PC_DP83816_RxNUM]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >> static dp83816_bd_t
> >> dp83816_eth1_txbd[CYGNUM_DEVS_ETH_I386_PC_DP83816_TxNUM]
> >> __attribute__((aligned(HAL_DCACHE_LINE_SIZE)));
> >>
> >>
> >> // eth0 delacration
> >> char _i386_pc_eth0_ESA[6];
> >> static dp83816_priv_data_t dp83816_eth0_priv_data = {
> >> "eth0_esa",
> >> _i386_pc_eth0_ESA,
> >> CYGNUM_DEVS_ETH_I386_PC_DP83816_RxNUM, // Number of Rx buffers
> >> dp83816_eth0_rxbufs, // Rx buffer space
> >> dp83816_eth0_rxbd, // Rx buffer headers
> >> CYGNUM_DEVS_ETH_I386_PC_DP83816_TxNUM, // Number of Tx buffers
> >> dp83816_eth0_txbufs, // Tx buffer space
> >> dp83816_eth0_txbd, // Tx buffer headers
> >> };
> >>
> >> ETH_DRV_SC(dp83816_sc0,
> >> &dp83816_eth0_priv_data, // Driver specific data
> >> "eth0",
> >> dp83816_start,
> >> dp83816_stop,
> >> dp83816_control,
> >> dp83816_can_send,
> >> dp83816_send,
> >> dp83816_recv,
> >> dp83816_deliver, // "pseudoDSR" called from fast net thread
> >> dp83816_poll, // poll function, encapsulates ISR and DSR
> >> dp83816_int_vector);
> >>
> >> NETDEVTAB_ENTRY(dp83816_netdev0,
> >> "eth0",
> >> dp83816_init,
> >> &dp83816_sc0);
> >>
> >> // eth1 delacration
> >> char _i386_pc_eth1_ESA[6];
> >> static dp83816_priv_data_t dp83816_eth1_priv_data = {
> >> "eth1_esa",
> >> _i386_pc_eth1_ESA,
> >> CYGNUM_DEVS_ETH_I386_PC_DP83816_RxNUM, // Number of Rx buffers
> >> dp83816_eth1_rxbufs, // Rx buffer space
> >> dp83816_eth1_rxbd, // Rx buffer headers
> >> CYGNUM_DEVS_ETH_I386_PC_DP83816_TxNUM, // Number of Tx buffers
> >> dp83816_eth1_txbufs, // Tx buffer space
> >> dp83816_eth1_txbd, // Tx buffer headers
> >> };
> >>
> >> ETH_DRV_SC(dp83816_sc1,
> >> &dp83816_eth1_priv_data, // Driver specific data
> >> "eth1",
> >> dp83816_start,
> >> dp83816_stop,
> >> dp83816_control,
> >> dp83816_can_send,
> >> dp83816_send,
> >> dp83816_recv,
> >> dp83816_deliver, // "pseudoDSR" called from fast net thread
> >> dp83816_poll, // poll function, encapsulates ISR and DSR
> >> dp83816_int_vector);
> >>
> >> NETDEVTAB_ENTRY(dp83816_netdev1,
> >> "eth1",
> >> dp83816_init,
> >> &dp83816_sc1);
> >>
> >>
> >>
> >> 2008/1/10, Antoine Zen-Ruffinen <antoine.zen@gmail.com>:
> >>> The previous post "[ECOS] Cannot sendto multicast using FreeBSD stack"
> >>> put me on the way!!
> >>>
> >>> No IP packet are send, but ARP is done. But it seem that the stack
> >>> doesn't get the ARP reply witch is on the wire. When calling send(),
> >>> for the fist calls, send() return > 0, but with errno=2 (No such
> >>> entry) then send() return -1 wiht erron=364 (Host is down). Can this
> >>> be because I have 2 NIC that share the same interrupt ?
> >>>
> >>> 2008/1/10, Antoine Zen-Ruffinen <antoine.zen@gmail.com>:
> >>>> Sorry for the preceding message that was not send to the list, little
> >>>> mistake from me (cliqued "reply" and not "reply to all").
> >>>>
> >>>> Yes my application print about DHCP transaction and it is ok. I have
> >>>> added some prints in every driver function in order to trace what it
> >>>> is doing. The output is interesting :
> >>>> 1) The NIC is making interrupts all the time
> >>>> 2) The network stack never call the send() function.
> >>>>
> >>>> Here is the output :
> >>>> RedBoot> load -m tftp -h 192.168.165.18 debugProg
> >>>> Entry point: 0x00200000, address range: 0x00200000-0x00238840
> >>>> RedBoot> go
> >>>> [cyg_net_init] Init: mbinit(0x00000000)
> >>>> [cyg_net_init] Init: cyg_net_init_devs(0x00000000)
> >>>> Init device 'eth0'
> >>>> DP83816 at 0x0000e100, interrupt: 2a
> >>>> DP83816 - get ESA from EEPROM
> >>>> DP83816 - ESA: 00:00:24:c8:1d:6c
> >>>> Init device 'eth1'
> >>>> DP83816 at 0x0000e200, interrupt: 2a
> >>>> DP83816 - get ESA from EEPROM
> >>>> DP83816 - ESA: 00:00:24:c8:1d:6d
> >>>> [cyg_net_init] Init: loopattach(0x00000000)
> >>>> [cyg_net_init] Init: ifinit(0x00000000)
> >>>> [cyg_net_init] Init: domaininit(0x00000000)
> >>>> [cyg_net_init] Init: cyg_net_add_domain(0x00238000)
> >>>> New domain internet at 0x00000000
> >>>> [cyg_net_init] Init: cyg_net_add_domain(0x002378e0)
> >>>> New domain route at 0x00000000
> >>>> [cyg_net_init] Init: call_route_init(0x00000000)
> >>>> [cyg_net_init] Done
> >>>> Network testing program V2
> >>>> Thread started
> >>>> Init network : DP83816 - ISR on eth0
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> DP83816 - can_send on eth0 : 16
> >>>> DP83816 - send on eth0
> >>>> DP83816 - can_send on eth0 : 15
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - Tx Event on eth0
> >>>> DP83816 - Rx event on eth0
> >>>> DP83816 - recv on eth0
> >>>> DP83816 - recv on eth0
> >>>> DP83816 - can_send on eth0 : 16
> >>>> DP83816 - send on eth0
> >>>> DDP83816 - ISR on eth0
> >>>> P83816 - can_send on eth0 : 15
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - Tx Event on eth0
> >>>> DP83816 - Rx event on eth0
> >>>> DP83816 - recv on eth0
> >>>> BOOTP[eth0] op: REQUEST
> >>>> htype: Ethernet
> >>>> hlen: 6
> >>>> hops: 0
> >>>> xid: 0xec511d6c
> >>>> secs: 0
> >>>> flags: 0x80
> >>>> hw_addr: 00:00:24:c8:1d:6c
> >>>> client IP: 0.0.0.0
> >>>> my IP: 192.168.165.254
> >>>> server IP: 192.168.165.1
> >>>> gateway IP: 0.0.0.0
> >>>> file: boots.default
> >>>> options:
> >>>> DHCP message: 3 REQUEST
> >>>> DHCP server id: 192.168.165.1
> >>>> DHCP time 51: 43200
> >>>> DHCP time 58: 21600
> >>>> DHCP time 59: 37800
> >>>> subnet mask: 255.255.255.0
> >>>> gateway: 192.168.165.1
> >>>> domain server: 192.168.165.1
> >>>> domain name: v165.itslabb.bth.se.
> >>>> DHCP option: 37/55.9: 54 51 58 59 1 3 6 15 28
> >>>> DHCP option: 39/57.2: 576
> >>>> DHCP requested ip: 192.168.165.254
> >>>> BOOTP[eth1] op: REPLY
> >>>> htype: Ethernet
> >>>> hlen: 6
> >>>> hops: 0
> >>>> xid: 0x0
> >>>> secs: 0
> >>>> flags: 0x0
> >>>> hw_addr: 00:00:24:c8:1d:6d
> >>>> client IP: 10.0.0.10
> >>>> my IP: 10.0.0.10
> >>>> server IP: 0.0.0.0
> >>>> gateway IP: 0.0.0.0
> >>>> options:
> >>>> subnet mask: 255.255.255.0
> >>>> IP broadcast: 10.0.0.255
> >>>> gateway: 0.0.0.0
> >>>> DP83816 - ISR on eth0
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> DP83816 - can_send on eth0 : 16
> >>>> DP83816 - send on eth0
> >>>> DP83816 - can_send on eth0 : 15
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> DP83816 - can_send on eth0 : 15
> >>>> DP83816 - send on eth0
> >>>> DP83816 - can_send on eth0 : 14
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> DP83816 - can_send on eth1 : 16
> >>>> DP83816 - send on eth1
> >>>> DP83816 - can_send on eth1 : 15
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> DP83816 - can_send on eth1 : 15
> >>>> DP83816 - send on eth1
> >>>> DP83816 - can_send on eth1 : 14
> >>>> [eth_drv_ioctl] Warning: Driver can't set multi-cast mode
> >>>> Network initalized !
> >>>> Eth0 is up !
> >>>> Eth1 is up !
> >>>> socket() = 3
> >>>> It seem that everthing is OK. start sending packets.
> >>>> A - 0> sendto() = 3
> >>>> B - 0> Waiting for a packet
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - Tx Event on eth0
> >>>> DP83816 - ISR on eth0
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - ISR on eth0
> >>>> A - 1> sendto() = 3
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - ISR on eth0
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - ISR on eth0
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - ISR on eth0
> >>>> A - 2> sendto() = 3
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - ISR on eth0
> >>>> DP83816 - deliver on eth0
> >>>> DP83816 - pool on eth0
> >>>> DP83816 - ISR on eth0
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> 2008/1/10, Gary Thomas <gary@mlbassoc.com>:
> >>>>> Please keep your replies on the eCos list!
> >>>>>
> >>>>> **EVERYONE** please get this straight. Replies made by me on the
> >>>>> eCos discussion list must be followed up on the eCos discussion list
> >>>>> unless I invite private replies. This way everyone benefits, not
> >>>>> just the interested party. Private email support consultation and
> >>>>> support is available, but only with a contract.
> >>>>>
> >>>>> Antoine Zen-Ruffinen wrote:
> >>>>>> The target platform is an embed PC with NS dp83816 NIC. I've port the
> >>>>>> eCos driver my self for the PC platform.
> >>>>>>
> >>>>>> I configure eCos with the configtool, just using the template I made
> >>>>>> and the "net" package.
> >>>>>>
> >>>>>> No, I didn't run a standard eCos network test program. But I build an
> >>>>>> redboot with this configuration. If I type ping -n 1000 -r 1 -h
> >>>>>> 192.168.165.18 (is my host PC) everything went fine !
> >>>>> This is only partly relevant - RedBoot uses a completely different
> >>>>> network stack than normal eCos applications. Also, RedBoot does
> >>>>> not use interrupts, which the eCos stacks rely on.
> >>>>>
> >>>>>> I know that nothing was send : 1 becose network activity led doesn't
> >>>>>> blink, 2 I monitor network with Wireshark (Ethereal). the monitoring
> >>>>>> trace show the TFTP exchange and the DHCP init but nothing more. It
> >>>>>> look like this :
> >>>>>> No. Time Source Destination Protocol Info
> >>>>>> 69504 25.515675 192.168.165.18 192.168.165.253 TFTP
> >>>>>> Data Packet, Block: 452
> >>>>>> 69505 25.516279 192.168.165.253 192.168.165.18 TFTP
> >>>>>> Acknowledgement, Block: 452
> >>>>>> 69506 25.516289 192.168.165.18 192.168.165.253 TFTP
> >>>>>> Data Packet, Block: 453
> >>>>>> 69507 25.516662 192.168.165.253 192.168.165.18 TFTP
> >>>>>> Error Code, Code: Not defined, Message: redboot
> >>>>>> tftp_stream_terminate
> >>>>>> 69508 25.826093 0.0.0.0 255.255.255.255 DHCP
> >>>>>> DHCP Discover - Transaction ID 0x6c1dfce9
> >>>>>> 69511 26.074789 0.0.0.0 255.255.255.255 DHCP
> >>>>>> DHCP Discover - Transaction ID 0x6c1dfce9
> >>>>>> 69512 26.304739 0.0.0.0 255.255.255.255 DHCP
> >>>>>> DHCP Discover - Transaction ID 0x6c1dfce9
> >>>>>> 69514 26.451407 0.0.0.0 255.255.255.255 DHCP
> >>>>>> DHCP Request - Transaction ID 0x6c1dfde9
> >>>>>> 69516 26.839890 Olicom_c8:1d:6c Broadcast ARP
> >>>>>> Who has 192.168.165.254? Gratuitous ARP
> >>>>>>
> >>>>> Did your eCos application print anything about the DHCP transaction?
> >>>>> I'm betting that it did not (which would imply you are having trouble
> >>>>> with receive interrupts from your driver)
> >>>>>
> >>>>>> 2008/1/10, Gary Thomas <gary@mlbassoc.com>:
> >>>>>>> Antoine Zen-Ruffinen wrote:
> >>>>>>>> Hi List folks,
> >>>>>>>>
> >>>>>>>> I've a problem with the TCP/IP stack:
> >>>>>>>> - I use TFTP to load my program in redboot. That work fine.
> >>>>>>>> - My application start, call init_all_network_interfaces(), it do the
> >>>>>>>> DHCP stuff. That work fine.
> >>>>>>>> - Then I open a socket and try to send / receive data. No packet is even send.
> >>>>>>>>
> >>>>>>>> Does someone has already seen such problem ?
> >>>>>>>> Any idea ?
> >>>>>>> We'll need more data than this in order to help.
> >>>>>>> * What's the target platform?
> >>>>>>> * How did you configure eCos for your failing application?
> >>>>>>> * Have you run any of the standard eCos network test programs?
> >>>>>>> * How do you know nothing was sent? What sort of debugging
> >>>>>>> have you tried so far?
> >>>>>
>
> --
> ------------------------------------------------------------
> Gary Thomas | Consulting for the
> MLB Associates | Embedded world
> ------------------------------------------------------------
>
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