X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/047916ed37a8497d26e5e09345385651feaeebe5..e8f20fe7be6203b50e049bbaa057acc7f0b0d593:/net/3c90x.c?ds=inline diff --git a/net/3c90x.c b/net/3c90x.c index ae8a771..40edafe 100644 --- a/net/3c90x.c +++ b/net/3c90x.c @@ -45,13 +45,14 @@ #include #include #include +#include #define XCVR_MAGIC (0x5A00) /** any single transmission fails after 16 collisions or other errors ** this is the number of times to retry the transmission -- this should ** be plenty **/ -#define XMIT_RETRIES 1 +#define XMIT_RETRIES 5 /*** Register definitions for the 3c905 ***/ enum Registers @@ -223,8 +224,6 @@ typedef struct { unsigned int DnNextPtr; unsigned int FrameStartHeader; - unsigned int HdrAddr; - unsigned int HdrLength; unsigned int DataAddr; unsigned int DataLength; } @@ -474,16 +473,8 @@ static void a3c90x_reset(void) *** pkt - the pointer to the packet data itself. ***/ static void -a3c90x_transmit(const char *dest_addr, unsigned int proto, - unsigned int size, const char *pkt) +a3c90x_transmit(unsigned int size, const char *pkt) { - struct eth_hdr - { - unsigned char dst_addr[ETH_ALEN]; - unsigned char src_addr[ETH_ALEN]; - unsigned short type; - } hdr; - unsigned char status; unsigned int i, retries; @@ -492,40 +483,25 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto, if (retries != 0) outputf("3c90x: retrying packet send (%d)", retries); - /** Stall the download engine **/ - outputf("3c90x: stalling transmit engine"); _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 2 /* Stall download */); - hdr.type = htons(proto); - memcpy(hdr.dst_addr, dest_addr, ETH_ALEN); - memcpy(hdr.src_addr, INF_3C90X.HWAddr, ETH_ALEN); - /** Setup the DPD (download descriptor) **/ INF_3C90X.TransmitDPD.DnNextPtr = 0; /** set notification for transmission completion (bit 15) **/ - INF_3C90X.TransmitDPD.FrameStartHeader = (size + sizeof(hdr)) /*| 0x8000*/; - INF_3C90X.TransmitDPD.HdrAddr = virt_to_bus(&hdr); - INF_3C90X.TransmitDPD.HdrLength = sizeof(hdr); - INF_3C90X.TransmitDPD.DataAddr = virt_to_bus(pkt); + INF_3C90X.TransmitDPD.FrameStartHeader = (size) | 0x8000; + INF_3C90X.TransmitDPD.DataAddr = v2p((void*)pkt); INF_3C90X.TransmitDPD.DataLength = size + (1<<31); /** Send the packet **/ - outputf("3c90x: pointing card at %08x", virt_to_bus(&(INF_3C90X.TransmitDPD))); - outl(INF_3C90X.IOAddr + regDnListPtr_l, virt_to_bus(&(INF_3C90X.TransmitDPD))); - - outputf("3c90x: unstalling transmit engine"); + outl(INF_3C90X.IOAddr + regDnListPtr_l, v2p(&(INF_3C90X.TransmitDPD))); _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */); - outputf("3c90x: waiting for download pointer"); oneshot_start_ms(100); while((inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) && oneshot_running()) ; if (!oneshot_running()) - { outputf("3c90x: Download engine pointer timeout"); - } - outputf("3c90x: waiting for TXCOMPLETE"); oneshot_start_ms(10); /* Give it 10 ms */ while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running()) ; @@ -602,11 +578,11 @@ a3c90x_poll(struct nic *nic, int retrieve) /** Build the up-load descriptor **/ INF_3C90X.ReceiveUPD.UpNextPtr = 0; INF_3C90X.ReceiveUPD.UpPktStatus = 0; - INF_3C90X.ReceiveUPD.DataAddr = virt_to_bus(nic->packet); + INF_3C90X.ReceiveUPD.DataAddr = v2p(nic->packet); INF_3C90X.ReceiveUPD.DataLength = 1536 + (1<<31); /** Submit the upload descriptor to the NIC **/ - _outl(virt_to_bus(&(INF_3C90X.ReceiveUPD)), + _outl(v2p(&(INF_3C90X.ReceiveUPD)), INF_3C90X.IOAddr + regUpListPtr_l); /** Wait for upload completion (upComplete(15) or upError (14)) **/ @@ -945,6 +921,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data) /* * Set our exported functions **/ nic.poll = a3c90x_poll; nic.transmit = a3c90x_transmit; + memcpy(nic.hwaddr, INF_3C90X.HWAddr, 6); eth_register(&nic); return 1;