diff options
Diffstat (limited to 'drivers/net/defxx.c')
| -rw-r--r-- | drivers/net/defxx.c | 268 |
1 files changed, 134 insertions, 134 deletions
diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c index 7d06ded..ae96805 100644 --- a/drivers/net/defxx.c +++ b/drivers/net/defxx.c @@ -275,7 +275,7 @@ static void dfx_xmt_flush(DFX_board_t *bp); static struct net_device *root_dfx_eisa_dev; - + /* * ======================= * = dfx_port_write_byte = @@ -283,13 +283,13 @@ static struct net_device *root_dfx_eisa_dev; * = dfx_port_write_long = * = dfx_port_read_long = * ======================= - * + * * Overview: * Routines for reading and writing values from/to adapter - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * offset - register offset from base I/O address @@ -301,7 +301,7 @@ static struct net_device *root_dfx_eisa_dev; * Functional Description: * These routines perform the correct operation to read or write * the adapter register. - * + * * EISA port block base addresses are based on the slot number in which the * controller is installed. For example, if the EISA controller is installed * in slot 4, the port block base address is 0x4000. If the controller is @@ -377,18 +377,18 @@ static inline void dfx_port_read_long( *data = inl(port); } - + /* * ============= * = dfx_init_one_pci_or_eisa = * ============= - * + * * Overview: * Initializes a supported FDDI EISA or PCI controller - * + * * Returns: * Condition code - * + * * Arguments: * pdev - pointer to pci device information (NULL for EISA) * ioaddr - pointer to port (NULL for PCI) @@ -537,18 +537,18 @@ static int __init dfx_eisa_init(void) } return rc; } - + /* * ================ * = dfx_bus_init = * ================ - * + * * Overview: * Initializes EISA and PCI controller bus-specific logic. - * + * * Returns: * None - * + * * Arguments: * dev - pointer to device information * @@ -672,19 +672,19 @@ static void __devinit dfx_bus_init(struct net_device *dev) } } - + /* * ======================== * = dfx_bus_config_check = * ======================== - * + * * Overview: * Checks the configuration (burst size, full-duplex, etc.) If any parameters * are illegal, then this routine will set new defaults. - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -766,19 +766,19 @@ static void __devinit dfx_bus_config_check(DFX_board_t *bp) } } - + /* * =================== * = dfx_driver_init = * =================== - * + * * Overview: * Initializes remaining adapter board structure information * and makes sure adapter is in a safe state prior to dfx_open(). - * + * * Returns: * Condition code - * + * * Arguments: * dev - pointer to device information * print_name - printable device name @@ -984,18 +984,18 @@ static int __devinit dfx_driver_init(struct net_device *dev, return(DFX_K_SUCCESS); } - + /* * ================= * = dfx_adap_init = * ================= - * + * * Overview: * Brings the adapter to the link avail/link unavailable state. - * + * * Returns: * Condition code - * + * * Arguments: * bp - pointer to board information * get_buffers - non-zero if buffers to be allocated @@ -1188,18 +1188,18 @@ static int dfx_adap_init(DFX_board_t *bp, int get_buffers) return(DFX_K_SUCCESS); } - + /* * ============ * = dfx_open = * ============ - * + * * Overview: * Opens the adapter - * + * * Returns: * Condition code - * + * * Arguments: * dev - pointer to device information * @@ -1225,7 +1225,7 @@ static int dfx_open(struct net_device *dev) DFX_board_t *bp = dev->priv; DBG_printk("In dfx_open...\n"); - + /* Register IRQ - support shared interrupts by passing device ptr */ ret = request_irq(dev->irq, dfx_interrupt, IRQF_SHARED, dev->name, dev); @@ -1276,18 +1276,18 @@ static int dfx_open(struct net_device *dev) return(0); } - + /* * ============= * = dfx_close = * ============= - * + * * Overview: * Closes the device/module. - * + * * Returns: * Condition code - * + * * Arguments: * dev - pointer to device information * @@ -1360,26 +1360,26 @@ static int dfx_close(struct net_device *dev) /* Clear device structure flags */ netif_stop_queue(dev); - + /* Deregister (free) IRQ */ free_irq(dev->irq, dev); - + return(0); } - + /* * ====================== * = dfx_int_pr_halt_id = * ====================== - * + * * Overview: * Displays halt id's in string form. - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -1452,18 +1452,18 @@ static void dfx_int_pr_halt_id(DFX_board_t *bp) } } - + /* * ========================== * = dfx_int_type_0_process = * ========================== - * + * * Overview: * Processes Type 0 interrupts. - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -1569,7 +1569,7 @@ static void dfx_int_type_0_process(DFX_board_t *bp) /* Check for adapter state change */ if (type_0_status & PI_TYPE_0_STAT_M_STATE_CHANGE) - { + { /* Get latest adapter state */ state = dfx_hw_adap_state_rd(bp); /* get adapter state */ @@ -1604,18 +1604,18 @@ static void dfx_int_type_0_process(DFX_board_t *bp) } } - + /* * ================== * = dfx_int_common = * ================== - * + * * Overview: * Interrupt service routine (ISR) - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -1678,7 +1678,7 @@ static void dfx_int_common(struct net_device *dev) dfx_int_type_0_process(bp); /* process Type 0 interrupts */ } - + /* * ================= * = dfx_interrupt = @@ -1780,18 +1780,18 @@ static irqreturn_t dfx_interrupt(int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; } - + /* * ===================== * = dfx_ctl_get_stats = * ===================== - * + * * Overview: * Get statistics for FDDI adapter - * + * * Returns: * Pointer to FDDI statistics structure - * + * * Arguments: * dev - pointer to device information * @@ -1967,19 +1967,19 @@ static struct net_device_stats *dfx_ctl_get_stats(struct net_device *dev) return((struct net_device_stats *) &bp->stats); } - + /* * ============================== * = dfx_ctl_set_multicast_list = * ============================== - * + * * Overview: * Enable/Disable LLC frame promiscuous mode reception * on the adapter and/or update multicast address table. - * + * * Returns: * None - * + * * Arguments: * dev - pointer to device information * @@ -2088,19 +2088,19 @@ static void dfx_ctl_set_multicast_list(struct net_device *dev) } } - + /* * =========================== * = dfx_ctl_set_mac_address = * =========================== - * + * * Overview: * Add node address override (unicast address) to adapter * CAM and update dev_addr field in device table. - * + * * Returns: * None - * + * * Arguments: * dev - pointer to device information * addr - pointer to sockaddr structure containing unicast address to add @@ -2178,7 +2178,7 @@ static int dfx_ctl_set_mac_address(struct net_device *dev, void *addr) return(0); /* always return zero */ } - + /* * ====================== * = dfx_ctl_update_cam = @@ -2263,7 +2263,7 @@ static int dfx_ctl_update_cam(DFX_board_t *bp) return(DFX_K_SUCCESS); } - + /* * ========================== * = dfx_ctl_update_filters = @@ -2272,10 +2272,10 @@ static int dfx_ctl_update_cam(DFX_board_t *bp) * Overview: * Procedure to update adapter filters with desired * filter settings. - * + * * Returns: * Condition code - * + * * Arguments: * bp - pointer to board information * @@ -2329,18 +2329,18 @@ static int dfx_ctl_update_filters(DFX_board_t *bp) return(DFX_K_SUCCESS); } - + /* * ====================== * = dfx_hw_dma_cmd_req = * ====================== - * + * * Overview: * Sends PDQ DMA command to adapter firmware - * + * * Returns: * Condition code - * + * * Arguments: * bp - pointer to board information * @@ -2374,9 +2374,9 @@ static int dfx_hw_dma_cmd_req(DFX_board_t *bp) { int status; /* adapter status */ int timeout_cnt; /* used in for loops */ - + /* Make sure the adapter is in a state that we can issue the DMA command in */ - + status = dfx_hw_adap_state_rd(bp); if ((status == PI_STATE_K_RESET) || (status == PI_STATE_K_HALTED) || @@ -2397,7 +2397,7 @@ static int dfx_hw_dma_cmd_req(DFX_board_t *bp) dfx_port_write_long(bp, PI_PDQ_K_REG_CMD_RSP_PROD, bp->cmd_rsp_reg.lword); /* Put request buffer on the command request queue */ - + bp->descr_block_virt->cmd_req[bp->cmd_req_reg.index.prod].long_0 = (u32) (PI_XMT_DESCR_M_SOP | PI_XMT_DESCR_M_EOP | (PI_CMD_REQ_K_SIZE_MAX << PI_XMT_DESCR_V_SEG_LEN)); bp->descr_block_virt->cmd_req[bp->cmd_req_reg.index.prod].long_1 = bp->cmd_req_phys; @@ -2419,7 +2419,7 @@ static int dfx_hw_dma_cmd_req(DFX_board_t *bp) break; udelay(100); /* wait for 100 microseconds */ } - if (timeout_cnt == 0) + if (timeout_cnt == 0) return(DFX_K_HW_TIMEOUT); /* Bump (and wrap) the completion index and write out to register */ @@ -2439,7 +2439,7 @@ static int dfx_hw_dma_cmd_req(DFX_board_t *bp) break; udelay(100); /* wait for 100 microseconds */ } - if (timeout_cnt == 0) + if (timeout_cnt == 0) return(DFX_K_HW_TIMEOUT); /* Bump (and wrap) the completion index and write out to register */ @@ -2450,18 +2450,18 @@ static int dfx_hw_dma_cmd_req(DFX_board_t *bp) return(DFX_K_SUCCESS); } - + /* * ======================== * = dfx_hw_port_ctrl_req = * ======================== - * + * * Overview: * Sends PDQ port control command to adapter firmware - * + * * Returns: * Host data register value in host_data if ptr is not NULL - * + * * Arguments: * bp - pointer to board information * command - port control command @@ -2497,7 +2497,7 @@ static int dfx_hw_port_ctrl_req( int timeout_cnt; /* used in for loops */ /* Set Command Error bit in command longword */ - + port_cmd = (PI_UINT32) (command | PI_PCTRL_M_CMD_ERROR); /* Issue port command to the adapter */ @@ -2520,12 +2520,12 @@ static int dfx_hw_port_ctrl_req( break; udelay(100); /* wait for 100 microseconds */ } - if (timeout_cnt == 0) + if (timeout_cnt == 0) return(DFX_K_HW_TIMEOUT); /* - * If the address of host_data is non-zero, assume caller has supplied a - * non NULL pointer, and return the contents of the HOST_DATA register in + * If the address of host_data is non-zero, assume caller has supplied a + * non NULL pointer, and return the contents of the HOST_DATA register in * it. */ @@ -2534,18 +2534,18 @@ static int dfx_hw_port_ctrl_req( return(DFX_K_SUCCESS); } - + /* * ===================== * = dfx_hw_adap_reset = * ===================== - * + * * Overview: * Resets adapter - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * type - type of reset to perform @@ -2588,18 +2588,18 @@ static void dfx_hw_adap_reset( dfx_port_write_long(bp, PI_PDQ_K_REG_PORT_RESET, 0); } - + /* * ======================== * = dfx_hw_adap_state_rd = * ======================== - * + * * Overview: * Returns current adapter state - * + * * Returns: * Adapter state per PDQ Port Specification - * + * * Arguments: * bp - pointer to board information * @@ -2624,18 +2624,18 @@ static int dfx_hw_adap_state_rd(DFX_board_t *bp) return((port_status & PI_PSTATUS_M_STATE) >> PI_PSTATUS_V_STATE); } - + /* * ===================== * = dfx_hw_dma_uninit = * ===================== - * + * * Overview: * Brings adapter to DMA_UNAVAILABLE state - * + * * Returns: * Condition code - * + * * Arguments: * bp - pointer to board information * type - type of reset to perform @@ -2672,38 +2672,38 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type) break; udelay(100); /* wait for 100 microseconds */ } - if (timeout_cnt == 0) + if (timeout_cnt == 0) return(DFX_K_HW_TIMEOUT); return(DFX_K_SUCCESS); } - + /* * Align an sk_buff to a boundary power of 2 * */ - + static void my_skb_align(struct sk_buff *skb, int n) { unsigned long x = (unsigned long)skb->data; unsigned long v; - + v = ALIGN(x, n); /* Where we want to be */ - + skb_reserve(skb, v - x); } - + /* * ================ * = dfx_rcv_init = * ================ - * + * * Overview: * Produces buffers to adapter LLC Host receive descriptor block - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * get_buffers - non-zero if buffers to be allocated @@ -2764,7 +2764,7 @@ static int dfx_rcv_init(DFX_board_t *bp, int get_buffers) * align to 128 bytes for compatibility with * the old EISA boards. */ - + my_skb_align(newskb, 128); bp->descr_block_virt->rcv_data[i + j].long_1 = (u32)pci_map_single(bp->pci_dev, newskb->data, @@ -2795,18 +2795,18 @@ static int dfx_rcv_init(DFX_board_t *bp, int get_buffers) return 0; } - + /* * ========================= * = dfx_rcv_queue_process = * ========================= - * + * * Overview: * Process received LLC frames. - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -2880,7 +2880,7 @@ static void dfx_rcv_queue_process( newskb = dev_alloc_skb(NEW_SKB_SIZE); if (newskb){ rx_in_place = 1; - + my_skb_align(newskb, 128); skb = (struct sk_buff *)bp->p_rcv_buff_va[entry]; pci_unmap_single(bp->pci_dev, @@ -2914,7 +2914,7 @@ static void dfx_rcv_queue_process( memcpy(skb->data, p_buff + RCV_BUFF_K_PADDING, pkt_len+3); } - + skb_reserve(skb,3); /* adjust data field so that it points to FC byte */ skb_put(skb, pkt_len); /* pass up packet length, NOT including CRC */ skb->dev = bp->dev; /* pass up device pointer */ @@ -2945,18 +2945,18 @@ static void dfx_rcv_queue_process( } } - + /* * ===================== * = dfx_xmt_queue_pkt = * ===================== - * + * * Overview: * Queues packets for transmission - * + * * Returns: * Condition code - * + * * Arguments: * skb - pointer to sk_buff to queue for transmission * dev - pointer to device information @@ -3020,7 +3020,7 @@ static int dfx_xmt_queue_pkt( unsigned long flags; netif_stop_queue(dev); - + /* * Verify that incoming transmit request is OK * @@ -3032,7 +3032,7 @@ static int dfx_xmt_queue_pkt( if (!IN_RANGE(skb->len, FDDI_K_LLC_ZLEN, FDDI_K_LLC_LEN)) { - printk("%s: Invalid packet length - %u bytes\n", + printk("%s: Invalid packet length - %u bytes\n", dev->name, skb->len); bp->xmt_length_errors++; /* bump error counter */ netif_wake_queue(dev); @@ -3065,7 +3065,7 @@ static int dfx_xmt_queue_pkt( } spin_lock_irqsave(&bp->lock, flags); - + /* Get the current producer and the next free xmt data descriptor */ prod = bp->rcv_xmt_reg.index.xmt_prod; @@ -3167,18 +3167,18 @@ static int dfx_xmt_queue_pkt( return(0); /* packet queued to adapter */ } - + /* * ================ * = dfx_xmt_done = * ================ - * + * * Overview: * Processes all frames that have been transmitted. - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -3246,18 +3246,18 @@ static int dfx_xmt_done(DFX_board_t *bp) return freed; } - + /* * ================= * = dfx_rcv_flush = * ================= - * + * * Overview: * Remove all skb's in the receive ring. - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -3299,14 +3299,14 @@ static inline void dfx_rcv_flush( DFX_board_t *bp ) * ================= * = dfx_xmt_flush = * ================= - * + * * Overview: * Processes all frames whether they've been transmitted * or not. - * + * * Returns: * None - * + * * Arguments: * bp - pointer to board information * @@ -3446,11 +3446,11 @@ static int __init dfx_init(void) rc_pci = pci_register_driver(&dfx_driver); if (rc_pci >= 0) dfx_have_pci = 1; - + rc_eisa = dfx_eisa_init(); if (rc_eisa >= 0) dfx_have_eisa = 1; - return ((rc_eisa < 0) ? 0 : rc_eisa) + ((rc_pci < 0) ? 0 : rc_pci); + return ((rc_eisa < 0) ? 0 : rc_eisa) + ((rc_pci < 0) ? 0 : rc_pci); } static void __exit dfx_cleanup(void) @@ -3459,8 +3459,8 @@ static void __exit dfx_cleanup(void) pci_unregister_driver(&dfx_driver); if (dfx_have_eisa) dfx_eisa_cleanup(); - -} + +} module_init(dfx_init); module_exit(dfx_cleanup); @@ -3469,7 +3469,7 @@ MODULE_DESCRIPTION("DEC FDDIcontroller EISA/PCI (DEFEA/DEFPA) driver " DRV_VERSION " " DRV_RELDATE); MODULE_LICENSE("GPL"); - + /* * Local variables: * kernel-compile-command: "gcc -D__KERNEL__ -I/root/linux/include -Wall -Wstrict-prototypes -O2 -pipe -fomit-frame-pointer -fno-strength-reduce -m486 -malign-loops=2 -malign-jumps=2 -malign-functions=2 -c defxx.c" |
