patch-2.3.38 linux/drivers/net/tokenring/smctr.c
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- Lines: 5713
- Date:
Fri Jan 7 11:51:56 2000
- Orig file:
v2.3.37/linux/drivers/net/tokenring/smctr.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.3.37/linux/drivers/net/tokenring/smctr.c linux/drivers/net/tokenring/smctr.c
@@ -0,0 +1,5712 @@
+/*
+ * smctr.c: A network driver for the SMC Token Ring Adapters.
+ *
+ * Written by Jay Schulist <jschlst@turbolinux.com>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU Public License, incorporated herein by reference.
+ *
+ * This device driver works with the following SMC adapters:
+ * - SMC TokenCard Elite (8115T)
+ * - SMC TokenCard Elite/A MCA (8115T/A)
+ *
+ * Source(s):
+ * - SMC TokenCard SDK.
+ *
+ * Maintainer(s):
+ * JS Jay Schulist <jschlst@turbolinux.com>
+ *
+ * To do:
+ * 1. MCA SMC TokenCard Support. (Some support is already done).
+ * 4. Multicast support.
+ */
+
+static const char *version = "smctr.c: v1.0 1/1/00 by jschlst@turbolinux.com\n";
+static const char *cardname = "smctr";
+
+#ifdef MODULE
+#include <linux/module.h>
+#include <linux/version.h>
+#endif
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/ptrace.h>
+#include <linux/ioport.h>
+#include <linux/in.h>
+#include <linux/malloc.h>
+#include <linux/string.h>
+#include <linux/time.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+#include <asm/irq.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/trdevice.h>
+
+#include "smctr.h" /* Our Stuff */
+#include "smctr_firmware.h" /* SMC adapter firmware */
+
+#define SMCTR_IO_EXTENT 20
+
+/* A zero-terminated list of I/O addresses to be probed. */
+static unsigned int smctr_portlist[] __initdata = {
+ 0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0, 0x300,
+ 0x320, 0x340, 0x360, 0x380,
+ 0
+};
+
+static int ringspeed = 0;
+
+/* SMC Name of the Adapter. */
+static char *smctr_name = "SMC TokenCard";
+char *smctr_model = "Unknown";
+
+/* Use 0 for production, 1 for verification, 2 for debug, and
+ * 3 for very verbose debug.
+ */
+#ifndef SMCTR_DEBUG
+#define SMCTR_DEBUG 1
+#endif
+static unsigned int smctr_debug = SMCTR_DEBUG;
+
+/* smctr.c prototypes and functions are arranged alphabeticly
+ * for clearity, maintainability and pure old fashion fun.
+ */
+/* A */
+static int smctr_alloc_shared_memory(struct net_device *dev);
+
+/* B */
+static int smctr_bypass_state(struct net_device *dev);
+
+/* C */
+static int smctr_checksum_firmware(struct net_device *dev);
+static int smctr_chg_rx_mask(struct net_device *dev);
+static int smctr_clear_int(struct net_device *dev);
+static int smctr_clear_trc_reset(int ioaddr);
+static int smctr_close(struct net_device *dev);
+
+/* D */
+static int smctr_decode_firmware(struct net_device *dev);
+static int smctr_disable_16bit(struct net_device *dev);
+static int smctr_disable_adapter_ctrl_store(struct net_device *dev);
+static int smctr_disable_adapter_ram(struct net_device *dev);
+static int smctr_disable_bic_int(struct net_device *dev);
+
+/* E */
+static int smctr_enable_16bit(struct net_device *dev);
+static int smctr_enable_adapter_ctrl_store(struct net_device *dev);
+static int smctr_enable_adapter_ram(struct net_device *dev);
+static int smctr_enable_bic_int(struct net_device *dev);
+
+/* F */
+static int __init smctr_find_adapter(struct net_device *dev);
+
+/* G */
+static int __init smctr_get_boardid(struct net_device *dev);
+static int smctr_get_group_address(struct net_device *dev);
+static int smctr_get_functional_address(struct net_device *dev);
+static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev);
+static int smctr_get_physical_drop_number(struct net_device *dev);
+static __u8 *smctr_get_rx_pointer(struct net_device *dev, short queue);
+static int smctr_get_station_id(struct net_device *dev);
+static struct enet_statistics *smctr_get_stats(struct net_device *dev);
+static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue,
+ __u16 bytes_count);
+static int smctr_get_upstream_neighbor_addr(struct net_device *dev);
+
+/* H */
+static int smctr_hardware_send_packet(struct net_device *dev,
+ struct net_local *tp);
+
+/* I */
+static int smctr_init_acbs(struct net_device *dev);
+static int smctr_init_adapter(struct net_device *dev);
+static int __init smctr_init_card(struct net_device *dev);
+static int smctr_init_card_real(struct net_device *dev);
+static int smctr_init_rx_bdbs(struct net_device *dev);
+static int smctr_init_rx_fcbs(struct net_device *dev);
+static int smctr_init_shared_memory(struct net_device *dev);
+static int smctr_init_tx_bdbs(struct net_device *dev);
+static int smctr_init_tx_fcbs(struct net_device *dev);
+static int smctr_internal_self_test(struct net_device *dev);
+static void smctr_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static int smctr_issue_enable_int_cmd(struct net_device *dev,
+ __u16 interrupt_enable_mask);
+static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code,
+ __u16 ibits);
+static int smctr_issue_init_timers_cmd(struct net_device *dev);
+static int smctr_issue_init_txrx_cmd(struct net_device *dev);
+static int smctr_issue_insert_cmd(struct net_device *dev);
+static int smctr_issue_read_ring_status_cmd(struct net_device *dev);
+static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt);
+static int smctr_issue_remove_cmd(struct net_device *dev);
+static int smctr_issue_resume_acb_cmd(struct net_device *dev);
+static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue);
+static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue);
+static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue);
+static int smctr_issue_test_internal_rom_cmd(struct net_device *dev);
+static int smctr_issue_test_hic_cmd(struct net_device *dev);
+static int smctr_issue_test_mac_reg_cmd(struct net_device *dev);
+static int smctr_issue_trc_loopback_cmd(struct net_device *dev);
+static int smctr_issue_tri_loopback_cmd(struct net_device *dev);
+static int smctr_issue_write_byte_cmd(struct net_device *dev,
+ short aword_cnt, void *byte);
+static int smctr_issue_write_word_cmd(struct net_device *dev,
+ short aword_cnt, void *word);
+
+/* J */
+static int smctr_join_complete_state(struct net_device *dev);
+
+/* L */
+static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev);
+static int smctr_load_firmware(struct net_device *dev);
+static int smctr_load_node_addr(struct net_device *dev);
+static int smctr_lobe_media_test(struct net_device *dev);
+static int smctr_lobe_media_test_cmd(struct net_device *dev);
+static int smctr_lobe_media_test_state(struct net_device *dev);
+
+/* M */
+static int smctr_make_8025_hdr(struct net_device *dev,
+ MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc);
+static int smctr_make_access_pri(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv);
+static int smctr_make_auth_funct_class(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_corr(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv, __u16 correlator);
+static int smctr_make_funct_addr(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_group_addr(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_phy_drop_num(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv);
+static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv);
+static int smctr_make_ring_station_status(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_ring_station_version(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_tx_status_code(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv, __u16 tx_fstatus);
+static int smctr_make_upstream_neighbor_addr(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+static int smctr_make_wrap_data(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv);
+
+/* O */
+static int smctr_open(struct net_device *dev);
+static int smctr_open_tr(struct net_device *dev);
+
+/* P */
+int __init smctr_probe (struct net_device *dev);
+static int __init smctr_probe1(struct net_device *dev, int ioaddr);
+static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size,
+ struct net_device *dev, __u16 rx_status);
+
+/* R */
+static int smctr_ram_conflict_test(struct net_device *dev);
+static int smctr_ram_memory_test(struct net_device *dev);
+static unsigned int __init smctr_read_584_chksum(int ioaddr);
+static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *correlator);
+static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *correlator);
+static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf);
+static int smctr_rcv_rq_addr_state_attch(struct net_device *dev,
+ MAC_HEADER *rmf, __u16 *correlator);
+static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *correlator);
+static int smctr_reset_adapter(struct net_device *dev);
+static int smctr_restart_tx_chain(struct net_device *dev, short queue);
+static int smctr_ring_status_chg(struct net_device *dev);
+static int smctr_rom_conflict_test(struct net_device *dev);
+static int smctr_rx_frame(struct net_device *dev);
+
+/* S */
+static int smctr_send_dat(struct net_device *dev);
+static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev);
+static int smctr_send_lobe_media_test(struct net_device *dev);
+static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 correlator);
+static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 correlator);
+static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 correlator);
+static int smctr_send_rpt_tx_forward(struct net_device *dev,
+ MAC_HEADER *rmf, __u16 tx_fstatus);
+static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 rcode, __u16 correlator);
+static int smctr_send_rq_init(struct net_device *dev);
+static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *tx_fstatus);
+static int smctr_set_auth_access_pri(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv);
+static int smctr_set_auth_funct_class(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv);
+static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv,
+ __u16 *correlator);
+static int smctr_set_error_timer_value(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv);
+static int smctr_set_frame_forward(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv, __u8 dc_sc);
+static int smctr_set_local_ring_num(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv);
+static unsigned short smctr_set_ctrl_attention(struct net_device *dev);
+static void smctr_set_multicast_list(struct net_device *dev);
+static int smctr_set_page(struct net_device *dev, __u8 *buf);
+static int smctr_set_phy_drop(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv);
+static int smctr_set_ring_speed(struct net_device *dev);
+static int smctr_set_rx_look_ahead(struct net_device *dev);
+static int smctr_set_trc_reset(int ioaddr);
+static int smctr_setup_single_cmd(struct net_device *dev,
+ __u16 command, __u16 subcommand);
+static int smctr_setup_single_cmd_w_data(struct net_device *dev,
+ __u16 command, __u16 subcommand);
+static char *smctr_malloc(struct net_device *dev, __u16 size);
+static int smctr_status_chg(struct net_device *dev);
+
+/* T */
+static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb,
+ __u16 queue);
+static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue);
+static unsigned short smctr_tx_move_frame(struct net_device *dev,
+ struct sk_buff *skb, __u8 *pbuff, unsigned int bytes);
+
+/* U */
+static int smctr_update_err_stats(struct net_device *dev);
+static int smctr_update_rx_chain(struct net_device *dev, __u16 queue);
+static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb,
+ __u16 queue);
+
+/* W */
+static int smctr_wait_cmd(struct net_device *dev);
+static int smctr_wait_while_cbusy(struct net_device *dev);
+
+#define TO_256_BYTE_BOUNDRY(X) (((X + 0xff) & 0xff00) - X)
+#define TO_PARAGRAPH_BOUNDRY(X) (((X + 0x0f) & 0xfff0) - X)
+#define PARAGRAPH_BOUNDRY(X) smctr_malloc(dev, TO_PARAGRAPH_BOUNDRY(X))
+
+/* Allocate Adapter Shared Memory.
+ * IMPORTANT NOTE: Any changes to this function MUST be mirrored in the
+ * function "get_num_rx_bdbs" below!!!
+ *
+ * Order of memory allocation:
+ *
+ * 0. Initial System Configuration Block Pointer
+ * 1. System Configuration Block
+ * 2. System Control Block
+ * 3. Action Command Block
+ * 4. Interrupt Status Block
+ *
+ * 5. MAC TX FCB'S
+ * 6. NON-MAC TX FCB'S
+ * 7. MAC TX BDB'S
+ * 8. NON-MAC TX BDB'S
+ * 9. MAC RX FCB'S
+ * 10. NON-MAC RX FCB'S
+ * 11. MAC RX BDB'S
+ * 12. NON-MAC RX BDB'S
+ * 13. MAC TX Data Buffer( 1, 256 byte buffer)
+ * 14. MAC RX Data Buffer( 1, 256 byte buffer)
+ *
+ * 15. NON-MAC TX Data Buffer
+ * 16. NON-MAC RX Data Buffer
+ */
+static int smctr_alloc_shared_memory(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_alloc_shared_memory\n", dev->name);
+
+ /* Allocate initial System Control Block pointer.
+ * This pointer is located in the last page, last offset - 4.
+ */
+ tp->iscpb_ptr = (ISCPBlock *)(tp->ram_access + ((__u32)64 * 0x400)
+ - (long)ISCP_BLOCK_SIZE);
+
+ /* Allocate System Control Blocks. */
+ tp->scgb_ptr = (SCGBlock *)smctr_malloc(dev, sizeof(SCGBlock));
+ PARAGRAPH_BOUNDRY(tp->sh_mem_used);
+
+ tp->sclb_ptr = (SCLBlock *)smctr_malloc(dev, sizeof(SCLBlock));
+ PARAGRAPH_BOUNDRY(tp->sh_mem_used);
+
+ tp->acb_head = (ACBlock *)smctr_malloc(dev,
+ sizeof(ACBlock)*tp->num_acbs);
+ PARAGRAPH_BOUNDRY(tp->sh_mem_used);
+
+ tp->isb_ptr = (ISBlock *)smctr_malloc(dev, sizeof(ISBlock));
+ PARAGRAPH_BOUNDRY(tp->sh_mem_used);
+
+ tp->misc_command_data = (__u16 *)smctr_malloc(dev, MISC_DATA_SIZE);
+ PARAGRAPH_BOUNDRY(tp->sh_mem_used);
+
+ /* Allocate transmit FCBs. */
+ tp->tx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev,
+ sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]);
+
+ tp->tx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev,
+ sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]);
+
+ tp->tx_fcb_head[BUG_QUEUE] = (FCBlock *)smctr_malloc(dev,
+ sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]);
+
+ /* Allocate transmit BDBs. */
+ tp->tx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev,
+ sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]);
+
+ tp->tx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev,
+ sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]);
+
+ tp->tx_bdb_head[BUG_QUEUE] = (BDBlock *)smctr_malloc(dev,
+ sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]);
+
+ /* Allocate receive FCBs. */
+ tp->rx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev,
+ sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]);
+
+ tp->rx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev,
+ sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]);
+
+ /* Allocate receive BDBs. */
+ tp->rx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev,
+ sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]);
+
+ tp->rx_bdb_end[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0);
+
+ tp->rx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev,
+ sizeof(BDBlock) * tp->num_rx_bdbs[NON_MAC_QUEUE]);
+
+ tp->rx_bdb_end[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0);
+
+ /* Allocate MAC transmit buffers.
+ * MAC Tx Buffers doen't have to be on an ODD Boundry.
+ */
+ tp->tx_buff_head[MAC_QUEUE]
+ = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[MAC_QUEUE]);
+ tp->tx_buff_curr[MAC_QUEUE] = tp->tx_buff_head[MAC_QUEUE];
+ tp->tx_buff_end [MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0);
+
+ /* Allocate BUG transmit buffers. */
+ tp->tx_buff_head[BUG_QUEUE]
+ = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[BUG_QUEUE]);
+ tp->tx_buff_curr[BUG_QUEUE] = tp->tx_buff_head[BUG_QUEUE];
+ tp->tx_buff_end[BUG_QUEUE] = (__u16 *)smctr_malloc(dev, 0);
+
+ /* Allocate MAC receive data buffers.
+ * MAC Rx buffer doesn't have to be on a 256 byte boundry.
+ */
+ tp->rx_buff_head[MAC_QUEUE] = (__u16 *)smctr_malloc(dev,
+ RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]);
+ tp->rx_buff_end[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0);
+
+ /* Allocate Non-MAC transmit buffers.
+ * ?? For maximum Netware performance, put Tx Buffers on
+ * ODD Boundry and then restore malloc to Even Boundrys.
+ */
+ smctr_malloc(dev, 1L);
+ tp->tx_buff_head[NON_MAC_QUEUE]
+ = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[NON_MAC_QUEUE]);
+ tp->tx_buff_curr[NON_MAC_QUEUE] = tp->tx_buff_head[NON_MAC_QUEUE];
+ tp->tx_buff_end [NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0);
+ smctr_malloc(dev, 1L);
+
+ /* Allocate Non-MAC receive data buffers.
+ * To guarantee a minimum of 256 contigous memory to
+ * UM_Receive_Packet's lookahead pointer, before a page
+ * change or ring end is encountered, place each rx buffer on
+ * a 256 byte boundry.
+ */
+ smctr_malloc(dev, TO_256_BYTE_BOUNDRY(tp->sh_mem_used));
+ tp->rx_buff_head[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev,
+ RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[NON_MAC_QUEUE]);
+ tp->rx_buff_end[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0);
+
+ return (0);
+}
+
+/* Enter Bypass state. */
+static int smctr_bypass_state(struct net_device *dev)
+{
+ int err;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_bypass_state\n", dev->name);
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE,
+ JS_BYPASS_STATE);
+
+ return (err);
+}
+
+static int smctr_checksum_firmware(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u16 i, checksum = 0;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_checksum_firmware\n", dev->name);
+
+ smctr_enable_adapter_ctrl_store(dev);
+
+ for(i = 0; i < CS_RAM_SIZE; i += 2)
+ checksum += *((__u16 *)(tp->ram_access + i));
+
+ tp->microcode_version = *(__u16 *)(tp->ram_access
+ + CS_RAM_VERSION_OFFSET);
+ tp->microcode_version >>= 8;
+
+ smctr_disable_adapter_ctrl_store(dev);
+
+ if(checksum)
+ return (checksum);
+
+ return (0);
+}
+
+static int smctr_chg_rx_mask(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err = 0;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_chg_rx_mask\n", dev->name);
+
+ smctr_enable_16bit(dev);
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ if(tp->mode_bits & LOOPING_MODE_MASK)
+ tp->config_word0 |= RX_OWN_BIT;
+ else
+ tp->config_word0 &= ~RX_OWN_BIT;
+
+ if(tp->receive_mask & PROMISCUOUS_MODE)
+ tp->config_word0 |= PROMISCUOUS_BIT;
+ else
+ tp->config_word0 &= ~PROMISCUOUS_BIT;
+
+ if(tp->receive_mask & ACCEPT_ERR_PACKETS)
+ tp->config_word0 |= SAVBAD_BIT;
+ else
+ tp->config_word0 &= ~SAVBAD_BIT;
+
+ if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)
+ tp->config_word0 |= RXATMAC;
+ else
+ tp->config_word0 &= ~RXATMAC;
+
+ if(tp->receive_mask & ACCEPT_MULTI_PROM)
+ tp->config_word1 |= MULTICAST_ADDRESS_BIT;
+ else
+ tp->config_word1 &= ~MULTICAST_ADDRESS_BIT;
+
+ if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING)
+ tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS;
+ else
+ {
+ if(tp->receive_mask & ACCEPT_SOURCE_ROUTING)
+ tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT;
+ else
+ tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS;
+ }
+
+ if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_0,
+ &tp->config_word0)))
+ {
+ return (err);
+ }
+
+ if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_1,
+ &tp->config_word1)))
+ {
+ return (err);
+ }
+
+ smctr_disable_16bit(dev);
+
+ return (0);
+}
+
+static int smctr_clear_int(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ outb((tp->trc_mask | CSR_CLRTINT), dev->base_addr + CSR);
+
+ return (0);
+}
+
+static int smctr_clear_trc_reset(int ioaddr)
+{
+ __u8 r;
+
+ r = inb(ioaddr + MSR);
+ outb(~MSR_RST & r, ioaddr + MSR);
+
+ return (0);
+}
+
+/*
+ * The inverse routine to smctr_open().
+ */
+static int smctr_close(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ struct sk_buff *skb;
+ int err;
+
+ dev->tbusy = 1;
+ dev->start = 0;
+
+#ifdef MODULE
+ MOD_DEC_USE_COUNT;
+#endif
+
+ tp->cleanup = 1;
+
+ /* Check to see if adapter is already in a closed state. */
+ if(tp->status != OPEN)
+ return (0);
+
+ smctr_enable_16bit(dev);
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ if((err = smctr_issue_remove_cmd(dev)))
+ {
+ smctr_disable_16bit(dev);
+ return (err);
+ }
+
+ for(;;)
+ {
+ skb = skb_dequeue(&tp->SendSkbQueue);
+ if(skb == NULL)
+ break;
+ tp->QueueSkb++;
+ dev_kfree_skb(skb);
+ }
+
+
+ return (0);
+}
+
+static int smctr_decode_firmware(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ short bit = 0x80, shift = 12;
+ DECODE_TREE_NODE *tree;
+ short branch, tsize;
+ __u16 buff = 0;
+ long weight;
+ __u8 *ucode;
+ __u16 *mem;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_decode_firmware\n", dev->name);
+
+ weight = *(long *)(tp->ptr_ucode + WEIGHT_OFFSET);
+ tsize = *(__u8 *)(tp->ptr_ucode + TREE_SIZE_OFFSET);
+ tree = (DECODE_TREE_NODE *)(tp->ptr_ucode + TREE_OFFSET);
+ ucode = (__u8 *)(tp->ptr_ucode + TREE_OFFSET
+ + (tsize * sizeof(DECODE_TREE_NODE)));
+ mem = (__u16 *)(tp->ram_access);
+
+ while(weight)
+ {
+ branch = ROOT;
+ while((tree + branch)->tag != LEAF && weight)
+ {
+ branch = *ucode & bit ? (tree + branch)->llink
+ : (tree + branch)->rlink;
+
+ bit >>= 1;
+ weight--;
+
+ if(bit == 0)
+ {
+ bit = 0x80;
+ ucode++;
+ }
+ }
+
+ buff |= (tree + branch)->info << shift;
+ shift -= 4;
+
+ if(shift < 0)
+ {
+ *(mem++) = SWAP_BYTES(buff);
+ buff = 0;
+ shift = 12;
+ }
+ }
+
+ /* The following assumes the Control Store Memory has
+ * been initialized to zero. If the last partial word
+ * is zero, it will not be written.
+ */
+ if(buff)
+ *(mem++) = SWAP_BYTES(buff);
+
+ return (0);
+}
+
+static int smctr_disable_16bit(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u8 r;
+
+ if(tp->adapter_bus == BUS_ISA16_TYPE
+ && ((tp->adapter_flags & FORCED_16BIT_MODE) == 0))
+ {
+ r = inb(dev->base_addr + LAAR);
+ outb((r & ~LAAR_MEM16ENB), dev->base_addr + LAAR);
+ }
+
+ return (0);
+}
+
+/*
+ * On Exit, Adapter is:
+ * 1. TRC is in a reset state and un-initialized.
+ * 2. Adapter memory is enabled.
+ * 3. Control Store memory is out of context (-WCSS is 1).
+ */
+static int smctr_disable_adapter_ctrl_store(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_disable_adapter_ctrl_store\n", dev->name);
+
+ tp->trc_mask |= CSR_WCSS;
+ outb(tp->trc_mask, ioaddr + CSR);
+
+ return (0);
+}
+
+static int smctr_disable_adapter_ram(struct net_device *dev)
+{
+ int ioaddr = dev->base_addr;
+ __u8 r;
+
+ /* First disable memory enable bit. */
+ r = inb(ioaddr + MSR);
+ outb(~MSR_MEMB & r, ioaddr + MSR);
+
+ /* Now disable 16 bit memory enable bit. */
+ r = inb(ioaddr + LAAR);
+ outb(~LAAR_MEM16ENB & r, ioaddr + LAAR);
+
+ return (0);
+}
+
+static int smctr_disable_bic_int(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+
+ tp->trc_mask = CSR_MSK_ALL | CSR_MSKCBUSY
+ | CSR_MSKTINT | CSR_WCSS;
+ outb(tp->trc_mask, ioaddr + CSR);
+
+ return (0);
+}
+
+static int smctr_enable_16bit(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u8 r;
+
+ if(tp->adapter_bus == BUS_ISA16_TYPE)
+ {
+ r = inb(dev->base_addr + LAAR);
+ outb((r | LAAR_MEM16ENB), dev->base_addr + LAAR);
+ }
+
+ return (0);
+}
+
+/*
+ * To enable the adapter control store memory:
+ * 1. Adapter must be in a RESET state.
+ * 2. Adapter memory must be enabled.
+ * 3. Control Store Memory is in context (-WCSS is 0).
+ */
+static int smctr_enable_adapter_ctrl_store(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_enable_adapter_ctrl_store\n", dev->name);
+
+ smctr_set_trc_reset(ioaddr);
+ smctr_enable_adapter_ram(dev);
+
+ tp->trc_mask &= ~CSR_WCSS;
+ outb(tp->trc_mask, ioaddr + CSR);
+
+ return (0);
+}
+
+static int smctr_enable_adapter_ram(struct net_device *dev)
+{
+ int ioaddr = dev->base_addr;
+ __u8 r;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_enable_adapter_ram\n", dev->name);
+
+ r = inb(ioaddr + MSR);
+ outb(MSR_MEMB | r, ioaddr + MSR);
+
+ return (0);
+}
+
+static int smctr_enable_bic_int(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+ __u8 r;
+
+ switch(tp->bic_type)
+ {
+ case (BIC_584_CHIP):
+ tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS;
+ outb(tp->trc_mask, ioaddr + CSR);
+ r = inb(ioaddr + IRR);
+ outb(r | IRR_IEN, ioaddr + IRR);
+ break;
+
+ case (BIC_594_CHIP):
+ tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS;
+ outb(tp->trc_mask, ioaddr + CSR);
+ r = inb(ioaddr + IMCCR);
+ outb(r | IMCCR_EIL, ioaddr + IMCCR);
+ break;
+ }
+
+ return (0);
+}
+
+static int __init smctr_find_adapter(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+ __u8 r1, r2, b, chksum = 0;
+ __u16 r;
+ int i;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_find_adapter %#4x\n", dev->name, ioaddr);
+
+ /* Checksum SMC node address */
+ for(i = 0; i < 8; i++)
+ {
+ b = inb(ioaddr + LAR0 + i);
+ chksum += b;
+ }
+
+ if(chksum != NODE_ADDR_CKSUM)
+ return (-1); /* Adapter Not Found */
+
+ /* Grab the region so that no one else tries to probe our ioports. */
+ request_region(ioaddr, SMCTR_IO_EXTENT, smctr_name);
+
+ b = inb(ioaddr + BDID);
+
+ /* Check for 8115T Board ID */
+ r2 = 0;
+ for(r = 0; r < 8; r++)
+ {
+ r1 = inb(ioaddr + 0x8 + r);
+ r2 += r1;
+ }
+
+ /* value of RegF adds up the sum to 0xFF */
+ if((r2 != 0xFF) && (r2 != 0xEE))
+ return (-1);
+
+ /* Get adapter ID */
+ tp->board_id = smctr_get_boardid(dev);
+ switch(tp->board_id & 0xffff)
+ {
+ case WD8115TA:
+ smctr_model = "8115T/A";
+ break;
+
+ case WD8115T:
+ smctr_model = "8115T";
+ break;
+
+ default:
+ smctr_model = "Unknown";
+ break;
+ }
+
+ /* Store BIC type. */
+ tp->bic_type = BIC_584_CHIP;
+ tp->nic_type = NIC_825_CHIP;
+
+ /* Copy Ram Size */
+ tp->ram_usable = CNFG_SIZE_16KB;
+ tp->ram_size = CNFG_SIZE_64KB;
+
+ /* Get 58x Ram Base */
+ r1 = inb(ioaddr);
+ r1 &= 0x3F;
+
+ r2 = inb(ioaddr + CNFG_LAAR_584);
+ r2 &= CNFG_LAAR_MASK;
+ r2 <<= 3;
+ r2 |= ((r1 & 0x38) >> 3);
+
+ tp->ram_base = ((__u32)r2 << 16) + (((__u32)(r1 & 0x7)) << 13);
+
+ /* Get 584 Irq */
+ r1 = 0;
+ r1 = inb(ioaddr + CNFG_ICR_583);
+ r1 &= CNFG_ICR_IR2_584;
+
+ r2 = inb(ioaddr + CNFG_IRR_583);
+ r2 &= CNFG_IRR_IRQS; /* 0x60 */
+ r2 >>= 5;
+
+ switch(r2)
+ {
+ case 0:
+ if(r1 == 0)
+ dev->irq = 2;
+ else
+ dev->irq = 10;
+ break;
+
+ case 1:
+ if(r1 == 0)
+ dev->irq = 3;
+ else
+ dev->irq = 11;
+ break;
+
+ case 2:
+ if(r1 == 0)
+ {
+ if(tp->extra_info & ALTERNATE_IRQ_BIT)
+ dev->irq = 5;
+ else
+ dev->irq = 4;
+ }
+ else
+ dev->irq = 15;
+ break;
+
+ case 3:
+ if(r1 == 0)
+ dev->irq = 7;
+ else
+ dev->irq = 4;
+ break;
+
+ default:
+ printk("%s: No IRQ found aborting\n", dev->name);
+ return(-1);
+ }
+
+ if(request_irq(dev->irq, smctr_interrupt, SA_SHIRQ, smctr_name, dev))
+ return (-ENODEV);
+
+ /* Get 58x Rom Base */
+ r1 = inb(ioaddr + CNFG_BIO_583);
+ r1 &= 0x3E;
+ r1 |= 0x40;
+
+ tp->rom_base = (__u32)r1 << 13;
+
+ /* Get 58x Rom Size */
+ r1 = inb(ioaddr + CNFG_BIO_583);
+ r1 &= 0xC0;
+ if(r1 == 0)
+ tp->rom_size = ROM_DISABLE;
+ else
+ {
+ r1 >>= 6;
+ tp->rom_size = (__u16)CNFG_SIZE_8KB << r1;
+ }
+
+ /* Get 58x Boot Status */
+ r1 = inb(ioaddr + CNFG_GP2);
+
+ tp->mode_bits &= (~BOOT_STATUS_MASK);
+
+ if(r1 & CNFG_GP2_BOOT_NIBBLE)
+ tp->mode_bits |= BOOT_TYPE_1;
+
+ /* Get 58x Zero Wait State */
+ tp->mode_bits &= (~ZERO_WAIT_STATE_MASK);
+
+ r1 = inb(ioaddr + CNFG_IRR_583);
+
+ if(r1 & CNFG_IRR_ZWS)
+ tp->mode_bits |= ZERO_WAIT_STATE_8_BIT;
+
+ if(tp->board_id & BOARD_16BIT)
+ {
+ r1 = inb(ioaddr + CNFG_LAAR_584);
+
+ if(r1 & CNFG_LAAR_ZWS)
+ tp->mode_bits |= ZERO_WAIT_STATE_16_BIT;
+ }
+
+ /* Get 584 Media Menu */
+ tp->media_menu = 14;
+ r1 = inb(ioaddr + CNFG_IRR_583);
+
+ tp->mode_bits &= 0xf8ff; /* (~CNFG_INTERFACE_TYPE_MASK) */
+ if((tp->board_id & TOKEN_MEDIA) == TOKEN_MEDIA)
+ {
+ /* Get Advanced Features */
+ if(((r1 & 0x6) >> 1) == 0x3)
+ tp->media_type |= MEDIA_UTP_16;
+ else
+ {
+ if(((r1 & 0x6) >> 1) == 0x2)
+ tp->media_type |= MEDIA_STP_16;
+ else
+ {
+ if(((r1 & 0x6) >> 1) == 0x1)
+ tp->media_type |= MEDIA_UTP_4;
+
+ else
+ tp->media_type |= MEDIA_STP_4;
+ }
+ }
+
+ r1 = inb(ioaddr + CNFG_GP2);
+ if(!(r1 & 0x2) ) /* GP2_ETRD */
+ tp->mode_bits |= EARLY_TOKEN_REL;
+
+ /* see if the chip is corrupted */
+ if(smctr_read_584_chksum(ioaddr))
+ {
+ printk("%s: EEPROM Checksum Failure\n", dev->name);
+ return(-1);
+ }
+ }
+
+ return (0);
+}
+
+static int __init smctr_get_boardid(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+ __u8 r, r1, IdByte;
+ __u16 BoardIdMask;
+
+ tp->board_id = BoardIdMask = 0;
+
+ BoardIdMask |= (INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT);
+ tp->extra_info |= (INTERFACE_584_CHIP + RAM_SIZE_64K
+ + NIC_825_BIT + ALTERNATE_IRQ_BIT);
+
+ r = inb(ioaddr + BID_REG_1);
+ r &= 0x0c;
+ outb(r, ioaddr + BID_REG_1);
+ r = inb(ioaddr + BID_REG_1);
+
+ if(r & BID_SIXTEEN_BIT_BIT)
+ {
+ tp->extra_info |= SLOT_16BIT;
+ tp->adapter_bus = BUS_ISA16_TYPE;
+ }
+ else
+ tp->adapter_bus = BUS_ISA8_TYPE;
+
+ /* Get Board Id Byte */
+ IdByte = inb(ioaddr + BID_BOARD_ID_BYTE);
+
+ /* if Major version > 1.0 then
+ * return;
+ */
+ if(IdByte & 0xF8)
+ return (-1);
+
+ r1 = inb(ioaddr + BID_REG_1);
+ r1 &= BID_ICR_MASK;
+ r1 |= BID_OTHER_BIT;
+
+ outb(r1, ioaddr + BID_REG_1);
+ r1 = inb(ioaddr + BID_REG_3);
+
+ r1 &= BID_EAR_MASK;
+ r1 |= BID_ENGR_PAGE;
+
+ outb(r1, ioaddr + BID_REG_3);
+ r1 = inb(ioaddr + BID_REG_1);
+ r1 &= BID_ICR_MASK;
+ r1 |= (BID_RLA | BID_OTHER_BIT);
+
+ outb(r1, ioaddr + BID_REG_1);
+
+ r1 = inb(ioaddr + BID_REG_1);
+ while(r1 & BID_RECALL_DONE_MASK)
+ r1 = inb(ioaddr + BID_REG_1);
+
+ r = inb(ioaddr + BID_LAR_0 + BID_REG_6);
+
+ /* clear chip rev bits */
+ tp->extra_info &= ~CHIP_REV_MASK;
+ tp->extra_info |= ((r & BID_EEPROM_CHIP_REV_MASK) << 6);
+
+ r1 = inb(ioaddr + BID_REG_1);
+ r1 &= BID_ICR_MASK;
+ r1 |= BID_OTHER_BIT;
+
+ outb(r1, ioaddr + BID_REG_1);
+ r1 = inb(ioaddr + BID_REG_3);
+
+ r1 &= BID_EAR_MASK;
+ r1 |= BID_EA6;
+
+ outb(r1, ioaddr + BID_REG_3);
+ r1 = inb(ioaddr + BID_REG_1);
+
+ r1 &= BID_ICR_MASK;
+ r1 |= BID_RLA;
+
+ outb(r1, ioaddr + BID_REG_1);
+ r1 = inb(ioaddr + BID_REG_1);
+
+ while(r1 & BID_RECALL_DONE_MASK)
+ r1 = inb(ioaddr + BID_REG_1);
+
+ return (BoardIdMask);
+}
+
+static int smctr_get_group_address(struct net_device *dev)
+{
+ smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_GROUP_ADDR);
+
+ return(smctr_wait_cmd(dev));
+}
+
+static int smctr_get_functional_address(struct net_device *dev)
+{
+ smctr_issue_read_word_cmd(dev, RW_FUNCTIONAL_ADDR);
+
+ return(smctr_wait_cmd(dev));
+}
+
+/* Calculate number of Non-MAC receive BDB's and data buffers.
+ * This function must simulate allocateing shared memory exactly
+ * as the allocate_shared_memory function above.
+ */
+static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int mem_used = 0;
+
+ /* Allocate System Control Blocks. */
+ mem_used += sizeof(SCGBlock);
+
+ mem_used += TO_PARAGRAPH_BOUNDRY(mem_used);
+ mem_used += sizeof(SCLBlock);
+
+ mem_used += TO_PARAGRAPH_BOUNDRY(mem_used);
+ mem_used += sizeof(ACBlock) * tp->num_acbs;
+
+ mem_used += TO_PARAGRAPH_BOUNDRY(mem_used);
+ mem_used += sizeof(ISBlock);
+
+ mem_used += TO_PARAGRAPH_BOUNDRY(mem_used);
+ mem_used += MISC_DATA_SIZE;
+
+ /* Allocate transmit FCB's. */
+ mem_used += TO_PARAGRAPH_BOUNDRY(mem_used);
+
+ mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE];
+ mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE];
+ mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE];
+
+ /* Allocate transmit BDBs. */
+ mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE];
+ mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE];
+ mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE];
+
+ /* Allocate receive FCBs. */
+ mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE];
+ mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE];
+
+ /* Allocate receive BDBs. */
+ mem_used += sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE];
+
+ /* Allocate MAC transmit buffers.
+ * MAC transmit buffers don't have to be on an ODD Boundry.
+ */
+ mem_used += tp->tx_buff_size[MAC_QUEUE];
+
+ /* Allocate BUG transmit buffers. */
+ mem_used += tp->tx_buff_size[BUG_QUEUE];
+
+ /* Allocate MAC receive data buffers.
+ * MAC receive buffers don't have to be on a 256 byte boundry.
+ */
+ mem_used += RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE];
+
+ /* Allocate Non-MAC transmit buffers.
+ * For maximum Netware performance, put Tx Buffers on
+ * ODD Boundry,and then restore malloc to Even Boundrys.
+ */
+ mem_used += 1L;
+ mem_used += tp->tx_buff_size[NON_MAC_QUEUE];
+ mem_used += 1L;
+
+ /* CALCULATE NUMBER OF NON-MAC RX BDB'S
+ * AND NON-MAC RX DATA BUFFERS
+ *
+ * Make sure the mem_used offset at this point is the
+ * same as in allocate_shared memory or the following
+ * boundry adjustment will be incorrect (i.e. not allocating
+ * the non-mac recieve buffers above cannot change the 256
+ * byte offset).
+ *
+ * Since this cannot be guaranteed, adding the full 256 bytes
+ * to the amount of shared memory used at this point will guaranteed
+ * that the rx data buffers do not overflow shared memory.
+ */
+ mem_used += 0x100;
+
+ return((0xffff - mem_used) / (RX_DATA_BUFFER_SIZE + sizeof(BDBlock)));
+}
+
+static int smctr_get_physical_drop_number(struct net_device *dev)
+{
+ smctr_issue_read_word_cmd(dev, RW_PHYSICAL_DROP_NUMBER);
+
+ return(smctr_wait_cmd(dev));
+}
+
+static __u8 * smctr_get_rx_pointer(struct net_device *dev, short queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ BDBlock *bdb;
+
+ bdb = (BDBlock *)((__u32)tp->ram_access
+ + (__u32)(tp->rx_fcb_curr[queue]->trc_bdb_ptr));
+
+ tp->rx_fcb_curr[queue]->bdb_ptr = bdb;
+
+ return ((__u8 *)bdb->data_block_ptr);
+}
+
+static int smctr_get_station_id(struct net_device *dev)
+{
+ smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_MAC_ADDRESS);
+
+ return(smctr_wait_cmd(dev));
+}
+
+/*
+ * Get the current statistics. This may be called with the card open
+ * or closed.
+ */
+static struct enet_statistics *smctr_get_stats(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ return ((struct enet_statistics *)&tp->MacStat);
+}
+
+static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue,
+ __u16 bytes_count)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ FCBlock *pFCB;
+ BDBlock *pbdb;
+ unsigned short alloc_size;
+ unsigned short *temp;
+
+ if(smctr_debug > 20)
+ printk("smctr_get_tx_fcb\n");
+
+ /* check if there is enough FCB blocks */
+ if(tp->num_tx_fcbs_used[queue] >= tp->num_tx_fcbs[queue])
+ return ((FCBlock *)(-1L));
+
+ /* round off the input pkt size to the nearest even number */
+ alloc_size = (bytes_count + 1) & 0xfffe;
+
+ /* check if enough mem */
+ if((tp->tx_buff_used[queue] + alloc_size) > tp->tx_buff_size[queue])
+ return ((FCBlock *)(-1L));
+
+ /* check if past the end ;
+ * if exactly enough mem to end of ring, alloc from front.
+ * this avoids update of curr when curr = end
+ */
+ if(((unsigned long)(tp->tx_buff_curr[queue]) + alloc_size)
+ >= (unsigned long)(tp->tx_buff_end[queue]))
+ {
+ /* check if enough memory from ring head */
+ alloc_size = alloc_size +
+ (__u16)((__u32)tp->tx_buff_end[queue]
+ - (__u32)tp->tx_buff_curr[queue]);
+
+ if((tp->tx_buff_used[queue] + alloc_size)
+ > tp->tx_buff_size[queue])
+ {
+ return ((FCBlock *)(-1L));
+ }
+
+ /* ring wrap */
+ tp->tx_buff_curr[queue] = tp->tx_buff_head[queue];
+ }
+
+ tp->tx_buff_used[queue] += alloc_size;
+ tp->num_tx_fcbs_used[queue]++;
+ tp->tx_fcb_curr[queue]->frame_length = bytes_count;
+ tp->tx_fcb_curr[queue]->memory_alloc = alloc_size;
+ temp = tp->tx_buff_curr[queue];
+ tp->tx_buff_curr[queue]
+ = (__u16 *)((__u32)temp + (__u32)((bytes_count + 1) & 0xfffe));
+
+ pbdb = tp->tx_fcb_curr[queue]->bdb_ptr;
+ pbdb->buffer_length = bytes_count;
+ pbdb->data_block_ptr = temp;
+ pbdb->trc_data_block_ptr = TRC_POINTER(temp);
+
+ pFCB = tp->tx_fcb_curr[queue];
+ tp->tx_fcb_curr[queue] = tp->tx_fcb_curr[queue]->next_ptr;
+
+ return (pFCB);
+}
+
+static int smctr_get_upstream_neighbor_addr(struct net_device *dev)
+{
+ smctr_issue_read_word_cmd(dev, RW_UPSTREAM_NEIGHBOR_ADDRESS);
+
+ return(smctr_wait_cmd(dev));
+}
+
+static int smctr_hardware_send_packet(struct net_device *dev,
+ struct net_local *tp)
+{
+ struct tr_statistics *tstat = &tp->MacStat;
+ struct sk_buff *skb;
+ FCBlock *fcb;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_hardware_send_packet\n", dev->name);
+
+ if(tp->status != OPEN)
+ return (-1);
+
+ if(tp->monitor_state_ready != 1)
+ return (-1);
+
+ for(;;)
+ {
+ /* Send first buffer from queue */
+ skb = skb_dequeue(&tp->SendSkbQueue);
+ if(skb == NULL)
+ return (-1);
+
+ tp->QueueSkb++;
+
+ if(skb->len < SMC_HEADER_SIZE || skb->len > tp->max_packet_size) return (-1);
+
+ smctr_enable_16bit(dev);
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ if((fcb = smctr_get_tx_fcb(dev, NON_MAC_QUEUE, skb->len))
+ == (FCBlock *)(-1L))
+ {
+ smctr_disable_16bit(dev);
+ return (-1);
+ }
+
+ smctr_tx_move_frame(dev, skb,
+ (__u8 *)fcb->bdb_ptr->data_block_ptr, skb->len);
+
+ smctr_set_page(dev, (__u8 *)fcb);
+
+ smctr_trc_send_packet(dev, fcb, NON_MAC_QUEUE);
+ dev_kfree_skb(skb);
+
+ tstat->tx_packets++;
+
+ smctr_disable_16bit(dev);
+ }
+
+ return (0);
+}
+
+static int smctr_init_acbs(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i;
+ ACBlock *acb;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_init_acbs\n", dev->name);
+
+ acb = tp->acb_head;
+ acb->cmd_done_status = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL);
+ acb->cmd_info = ACB_CHAIN_END;
+ acb->cmd = 0;
+ acb->subcmd = 0;
+ acb->data_offset_lo = 0;
+ acb->data_offset_hi = 0;
+ acb->next_ptr
+ = (ACBlock *)(((char *)acb) + sizeof(ACBlock));
+ acb->trc_next_ptr = TRC_POINTER(acb->next_ptr);
+
+ for(i = 1; i < tp->num_acbs; i++)
+ {
+ acb = acb->next_ptr;
+ acb->cmd_done_status
+ = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL);
+ acb->cmd_info = ACB_CHAIN_END;
+ acb->cmd = 0;
+ acb->subcmd = 0;
+ acb->data_offset_lo = 0;
+ acb->data_offset_hi = 0;
+ acb->next_ptr
+ = (ACBlock *)(((char *)acb) + sizeof(ACBlock));
+ acb->trc_next_ptr = TRC_POINTER(acb->next_ptr);
+ }
+
+ acb->next_ptr = tp->acb_head;
+ acb->trc_next_ptr = TRC_POINTER(tp->acb_head);
+ tp->acb_next = tp->acb_head->next_ptr;
+ tp->acb_curr = tp->acb_head->next_ptr;
+ tp->num_acbs_used = 0;
+
+ return (0);
+}
+
+static int smctr_init_adapter(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_init_adapter\n", dev->name);
+
+ tp->status = CLOSED;
+ tp->page_offset_mask = (tp->ram_usable * 1024) - 1;
+ skb_queue_head_init(&tp->SendSkbQueue);
+ tp->QueueSkb = MAX_TX_QUEUE;
+
+ if(!(tp->group_address_0 & 0x0080))
+ tp->group_address_0 |= 0x00C0;
+
+ if(!(tp->functional_address_0 & 0x00C0))
+ tp->functional_address_0 |= 0x00C0;
+
+ tp->functional_address[0] &= 0xFF7F;
+
+ if(tp->authorized_function_classes == 0)
+ tp->authorized_function_classes = 0x7FFF;
+
+ if(tp->authorized_access_priority == 0)
+ tp->authorized_access_priority = 0x06;
+
+ smctr_disable_bic_int(dev);
+ smctr_set_trc_reset(dev->base_addr);
+
+ /* By default the adapter will operate in 16-bit mode only. If
+ * there are two or more adapters in a box, switching between
+ * 16-bit and 8-bit mode may cause problems. In short the adapters
+ * will interfere with each other. XXX - smc.
+ */
+ smctr_disable_adapter_ram(dev);
+ if((err = smctr_rom_conflict_test(dev)))
+ return (err);
+
+ if((err = smctr_ram_conflict_test(dev)))
+ return (err);
+
+ smctr_enable_adapter_ram(dev);
+ smctr_enable_16bit(dev);
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ if(smctr_checksum_firmware(dev))
+ return (UCODE_NOT_PRESENT);
+
+ if((err = smctr_ram_memory_test(dev)))
+ return (err);
+
+ smctr_enable_16bit(dev);
+ if(smctr_checksum_firmware(dev))
+ return (-1);
+
+ if((err = smctr_ram_memory_test(dev)))
+ return (-1);
+
+ smctr_set_rx_look_ahead(dev);
+ smctr_load_node_addr(dev);
+
+ /* Initialize adapter for Internal Self Test. */
+ smctr_reset_adapter(dev);
+
+ if((err = smctr_init_card_real(dev)))
+ return (err);
+
+ /* This routine clobbers the TRC's internal registers. */
+ if((err = smctr_internal_self_test(dev)))
+ return (err);
+
+ /* Re-Initialize adapter's internal registers */
+ smctr_reset_adapter(dev);
+
+ if((err = smctr_init_card_real(dev)))
+ return (err);
+
+ smctr_enable_bic_int(dev);
+
+ if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK)))
+ return (err);
+
+ smctr_disable_16bit(dev);
+
+ return (0);
+}
+
+/* Dummy function */
+static int __init smctr_init_card(struct net_device *dev)
+{
+ if(smctr_debug > 10)
+ printk("%s: smctr_init_card\n", dev->name);
+
+ return (0);
+}
+
+static int smctr_init_card_real(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err = 0;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_init_card_real\n", dev->name);
+
+ tp->sh_mem_used = 0;
+ tp->num_acbs = NUM_OF_ACBS;
+
+ /* Range Check Max Packet Size */
+ if(tp->max_packet_size < 256)
+ tp->max_packet_size = 256;
+ else
+ {
+ if(tp->max_packet_size > NON_MAC_TX_BUFFER_MEMORY)
+ tp->max_packet_size = NON_MAC_TX_BUFFER_MEMORY;
+ }
+
+ tp->num_of_tx_buffs = (NON_MAC_TX_BUFFER_MEMORY
+ / tp->max_packet_size) - 1;
+
+ if(tp->num_of_tx_buffs > NUM_NON_MAC_TX_FCBS)
+ tp->num_of_tx_buffs = NUM_NON_MAC_TX_FCBS;
+ else
+ {
+ if(tp->num_of_tx_buffs == 0)
+ tp->num_of_tx_buffs = 1;
+ }
+
+ /* Tx queue constants */
+ tp->num_tx_fcbs [BUG_QUEUE] = NUM_BUG_TX_FCBS;
+ tp->num_tx_bdbs [BUG_QUEUE] = NUM_BUG_TX_BDBS;
+ tp->tx_buff_size [BUG_QUEUE] = BUG_TX_BUFFER_MEMORY;
+ tp->tx_buff_used [BUG_QUEUE] = 0;
+ tp->tx_queue_status [BUG_QUEUE] = NOT_TRANSMITING;
+
+ tp->num_tx_fcbs [MAC_QUEUE] = NUM_MAC_TX_FCBS;
+ tp->num_tx_bdbs [MAC_QUEUE] = NUM_MAC_TX_BDBS;
+ tp->tx_buff_size [MAC_QUEUE] = MAC_TX_BUFFER_MEMORY;
+ tp->tx_buff_used [MAC_QUEUE] = 0;
+ tp->tx_queue_status [MAC_QUEUE] = NOT_TRANSMITING;
+
+ tp->num_tx_fcbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_FCBS;
+ tp->num_tx_bdbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_BDBS;
+ tp->tx_buff_size [NON_MAC_QUEUE] = NON_MAC_TX_BUFFER_MEMORY;
+ tp->tx_buff_used [NON_MAC_QUEUE] = 0;
+ tp->tx_queue_status [NON_MAC_QUEUE] = NOT_TRANSMITING;
+
+ /* Receive Queue Constants */
+ tp->num_rx_fcbs[MAC_QUEUE] = NUM_MAC_RX_FCBS;
+ tp->num_rx_bdbs[MAC_QUEUE] = NUM_MAC_RX_BDBS;
+
+ if(tp->extra_info & CHIP_REV_MASK)
+ tp->num_rx_fcbs[NON_MAC_QUEUE] = 78; /* 825 Rev. XE */
+ else
+ tp->num_rx_fcbs[NON_MAC_QUEUE] = 7; /* 825 Rev. XD */
+
+ tp->num_rx_bdbs[NON_MAC_QUEUE] = smctr_get_num_rx_bdbs(dev);
+
+ smctr_alloc_shared_memory(dev);
+ smctr_init_shared_memory(dev);
+
+ if((err = smctr_issue_init_timers_cmd(dev)))
+ return (err);
+
+ if((err = smctr_issue_init_txrx_cmd(dev)))
+ return (err);
+
+ return (0);
+}
+
+static int smctr_init_rx_bdbs(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, j;
+ BDBlock *bdb;
+ __u16 *buf;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_init_rx_bdbs\n", dev->name);
+
+ for(i = 0; i < NUM_RX_QS_USED; i++)
+ {
+ bdb = tp->rx_bdb_head[i];
+ buf = tp->rx_buff_head[i];
+ bdb->info = (BDB_CHAIN_END | BDB_NO_WARNING);
+ bdb->buffer_length = RX_DATA_BUFFER_SIZE;
+ bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock));
+ bdb->data_block_ptr = buf;
+ bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr);
+
+ if(i == NON_MAC_QUEUE)
+ bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf);
+ else
+ bdb->trc_data_block_ptr = TRC_POINTER(buf);
+
+ for(j = 1; j < tp->num_rx_bdbs[i]; j++)
+ {
+ bdb->next_ptr->back_ptr = bdb;
+ bdb = bdb->next_ptr;
+ buf = (__u16 *)((char *)buf + RX_DATA_BUFFER_SIZE);
+ bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING);
+ bdb->buffer_length = RX_DATA_BUFFER_SIZE;
+ bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock));
+ bdb->data_block_ptr = buf;
+ bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr);
+
+ if(i == NON_MAC_QUEUE)
+ bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf);
+ else
+ bdb->trc_data_block_ptr = TRC_POINTER(buf);
+ }
+
+ bdb->next_ptr = tp->rx_bdb_head[i];
+ bdb->trc_next_ptr = TRC_POINTER(tp->rx_bdb_head[i]);
+
+ tp->rx_bdb_head[i]->back_ptr = bdb;
+ tp->rx_bdb_curr[i] = tp->rx_bdb_head[i]->next_ptr;
+ }
+
+ return (0);
+}
+
+static int smctr_init_rx_fcbs(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, j;
+ FCBlock *fcb;
+
+ for(i = 0; i < NUM_RX_QS_USED; i++)
+ {
+ fcb = tp->rx_fcb_head[i];
+ fcb->frame_status = 0;
+ fcb->frame_length = 0;
+ fcb->info = FCB_CHAIN_END;
+ fcb->next_ptr = (FCBlock *)(((char*)fcb) + sizeof(FCBlock));
+ if(i == NON_MAC_QUEUE)
+ fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr);
+ else
+ fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr);
+
+ for(j = 1; j < tp->num_rx_fcbs[i]; j++)
+ {
+ fcb->next_ptr->back_ptr = fcb;
+ fcb = fcb->next_ptr;
+ fcb->frame_status = 0;
+ fcb->frame_length = 0;
+ fcb->info = FCB_WARNING;
+ fcb->next_ptr
+ = (FCBlock *)(((char *)fcb) + sizeof(FCBlock));
+
+ if(i == NON_MAC_QUEUE)
+ fcb->trc_next_ptr
+ = RX_FCB_TRC_POINTER(fcb->next_ptr);
+ else
+ fcb->trc_next_ptr
+ = TRC_POINTER(fcb->next_ptr);
+ }
+
+ fcb->next_ptr = tp->rx_fcb_head[i];
+
+ if(i == NON_MAC_QUEUE)
+ fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr);
+ else
+ fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr);
+
+ tp->rx_fcb_head[i]->back_ptr = fcb;
+ tp->rx_fcb_curr[i] = tp->rx_fcb_head[i]->next_ptr;
+ }
+
+ return(0);
+}
+
+static int smctr_init_shared_memory(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i;
+ __u32 *iscpb;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_init_shared_memory\n", dev->name);
+
+ smctr_set_page(dev, (__u8 *)(unsigned int)tp->iscpb_ptr);
+
+ /* Initialize Initial System Configuration Point. (ISCP) */
+ iscpb = (__u32 *)PAGE_POINTER(&tp->iscpb_ptr->trc_scgb_ptr);
+ *iscpb = (__u32)(SWAP_WORDS(TRC_POINTER(tp->scgb_ptr)));
+
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ /* Initialize System Configuration Pointers. (SCP) */
+ tp->scgb_ptr->config = (SCGB_ADDRESS_POINTER_FORMAT
+ | SCGB_MULTI_WORD_CONTROL | SCGB_DATA_FORMAT
+ | SCGB_BURST_LENGTH);
+
+ tp->scgb_ptr->trc_sclb_ptr = TRC_POINTER(tp->sclb_ptr);
+ tp->scgb_ptr->trc_acb_ptr = TRC_POINTER(tp->acb_head);
+ tp->scgb_ptr->trc_isb_ptr = TRC_POINTER(tp->isb_ptr);
+ tp->scgb_ptr->isbsiz = (sizeof(ISBlock)) - 2;
+
+ /* Initialize System Control Block. (SCB) */
+ tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_NOP;
+ tp->sclb_ptr->iack_code = 0;
+ tp->sclb_ptr->resume_control = 0;
+ tp->sclb_ptr->int_mask_control = 0;
+ tp->sclb_ptr->int_mask_state = 0;
+
+ /* Initialize Interrupt Status Block. (ISB) */
+ for(i = 0; i < NUM_OF_INTERRUPTS; i++)
+ {
+ tp->isb_ptr->IStatus[i].IType = 0xf0;
+ tp->isb_ptr->IStatus[i].ISubtype = 0;
+ }
+
+ tp->current_isb_index = 0;
+
+ /* Initialize Action Command Block. (ACB) */
+ smctr_init_acbs(dev);
+
+ /* Initialize transmit FCB's and BDB's. */
+ smctr_link_tx_fcbs_to_bdbs(dev);
+ smctr_init_tx_bdbs(dev);
+ smctr_init_tx_fcbs(dev);
+
+ /* Initialize receive FCB's and BDB's. */
+ smctr_init_rx_bdbs(dev);
+ smctr_init_rx_fcbs(dev);
+
+ return (0);
+}
+
+static int smctr_init_tx_bdbs(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, j;
+ BDBlock *bdb;
+
+ for(i = 0; i < NUM_TX_QS_USED; i++)
+ {
+ bdb = tp->tx_bdb_head[i];
+ bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING);
+ bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock));
+ bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr);
+
+ for(j = 1; j < tp->num_tx_bdbs[i]; j++)
+ {
+ bdb->next_ptr->back_ptr = bdb;
+ bdb = bdb->next_ptr;
+ bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING);
+ bdb->next_ptr
+ = (BDBlock *)(((char *)bdb) + sizeof( BDBlock)); bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr);
+ }
+
+ bdb->next_ptr = tp->tx_bdb_head[i];
+ bdb->trc_next_ptr = TRC_POINTER(tp->tx_bdb_head[i]);
+ tp->tx_bdb_head[i]->back_ptr = bdb;
+ }
+
+ return (0);
+}
+
+static int smctr_init_tx_fcbs(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, j;
+ FCBlock *fcb;
+
+ for(i = 0; i < NUM_TX_QS_USED; i++)
+ {
+ fcb = tp->tx_fcb_head[i];
+ fcb->frame_status = 0;
+ fcb->frame_length = 0;
+ fcb->info = FCB_CHAIN_END;
+ fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock));
+ fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr);
+
+ for(j = 1; j < tp->num_tx_fcbs[i]; j++)
+ {
+ fcb->next_ptr->back_ptr = fcb;
+ fcb = fcb->next_ptr;
+ fcb->frame_status = 0;
+ fcb->frame_length = 0;
+ fcb->info = FCB_CHAIN_END;
+ fcb->next_ptr
+ = (FCBlock *)(((char *)fcb) + sizeof(FCBlock));
+ fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr);
+ }
+
+ fcb->next_ptr = tp->tx_fcb_head[i];
+ fcb->trc_next_ptr = TRC_POINTER(tp->tx_fcb_head[i]);
+
+ tp->tx_fcb_head[i]->back_ptr = fcb;
+ tp->tx_fcb_end[i] = tp->tx_fcb_head[i]->next_ptr;
+ tp->tx_fcb_curr[i] = tp->tx_fcb_head[i]->next_ptr;
+ tp->num_tx_fcbs_used[i] = 0;
+ }
+
+ return (0);
+}
+
+static int smctr_internal_self_test(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if((err = smctr_issue_test_internal_rom_cmd(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ if(tp->acb_head->cmd_done_status & 0xff)
+ return (-1);
+
+ if((err = smctr_issue_test_hic_cmd(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ if(tp->acb_head->cmd_done_status & 0xff)
+ return (-1);
+
+ if((err = smctr_issue_test_mac_reg_cmd(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ if(tp->acb_head->cmd_done_status & 0xff)
+ return (-1);
+
+ return (0);
+}
+
+/*
+ * The typical workload of the driver: Handle the network interface interrupts.
+ */
+static void smctr_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct net_local *tp;
+ int ioaddr;
+ __u16 interrupt_unmask_bits = 0, interrupt_ack_code = 0xff00;
+ __u16 err1, err = NOT_MY_INTERRUPT;
+ __u8 isb_type, isb_subtype;
+ __u16 isb_index;
+
+ if(dev == NULL)
+ {
+ printk("%s: irq %d for unknown device.\n", dev->name, irq);
+ return;
+ }
+
+ dev->interrupt = 1;
+
+ ioaddr = dev->base_addr;
+ tp = (struct net_local *)dev->priv;
+
+ dev->interrupt = 0;
+
+ if(tp->status == NOT_INITIALIZED)
+ return;
+
+ smctr_disable_bic_int(dev);
+ smctr_enable_16bit(dev);
+
+ smctr_clear_int(dev);
+
+ /* First read the LSB */
+ while((tp->isb_ptr->IStatus[tp->current_isb_index].IType & 0xf0) == 0)
+ {
+ isb_index = tp->current_isb_index;
+ isb_type = tp->isb_ptr->IStatus[isb_index].IType;
+ isb_subtype = tp->isb_ptr->IStatus[isb_index].ISubtype;
+
+ (tp->current_isb_index)++;
+ if(tp->current_isb_index == NUM_OF_INTERRUPTS)
+ tp->current_isb_index = 0;
+
+ if(isb_type >= 0x10)
+ {
+ smctr_disable_16bit(dev);
+ return;
+ }
+
+ err = HARDWARE_FAILED;
+ interrupt_ack_code = isb_index;
+ tp->isb_ptr->IStatus[isb_index].IType |= 0xf0;
+
+ interrupt_unmask_bits |= (1 << (__u16)isb_type);
+
+ switch(isb_type)
+ {
+ case ISB_IMC_MAC_TYPE_3:
+ smctr_disable_16bit(dev);
+
+ switch(isb_subtype)
+ {
+ case 0:
+ tp->monitor_state
+ = MS_MONITOR_FSM_INACTIVE;
+ break;
+
+ case 1:
+ tp->monitor_state
+ = MS_REPEAT_BEACON_STATE;
+ break;
+
+ case 2:
+ tp->monitor_state
+ = MS_REPEAT_CLAIM_TOKEN_STATE;
+ break;
+
+ case 3:
+ tp->monitor_state
+ = MS_TRANSMIT_CLAIM_TOKEN_STATE; break;
+
+ case 4:
+ tp->monitor_state
+ = MS_STANDBY_MONITOR_STATE;
+ break;
+
+ case 5:
+ tp->monitor_state
+ = MS_TRANSMIT_BEACON_STATE;
+ break;
+
+ case 6:
+ tp->monitor_state
+ = MS_ACTIVE_MONITOR_STATE;
+ break;
+
+ case 7:
+ tp->monitor_state
+ = MS_TRANSMIT_RING_PURGE_STATE;
+ break;
+
+ case 8: /* diagnostic state */
+ break;
+
+ case 9:
+ tp->monitor_state
+ = MS_BEACON_TEST_STATE;
+ if(smctr_lobe_media_test(dev))
+ {
+ tp->ring_status_flags
+ = RING_STATUS_CHANGED;
+ tp->ring_status
+ = AUTO_REMOVAL_ERROR;
+ smctr_ring_status_chg(dev);
+ smctr_bypass_state(dev);
+ }
+ else
+ smctr_issue_insert_cmd(dev);
+ break;
+
+ /* case 0x0a-0xff, illegal states */
+ default:
+ break;
+ }
+
+ tp->ring_status_flags = MONITOR_STATE_CHANGED;
+ err = smctr_ring_status_chg(dev);
+
+ smctr_enable_16bit(dev);
+ break;
+
+ /* Type 0x02 - MAC Error Counters Interrupt
+ * One or more MAC Error Counter is half full
+ * MAC Error Counters
+ * Lost_FR_Error_Counter
+ * RCV_Congestion_Counter
+ * FR_copied_Error_Counter
+ * FREQ_Error_Counter
+ * Token_Error_Counter
+ * Line_Error_Counter
+ * Internal_Error_Count
+ */
+ case ISB_IMC_MAC_ERROR_COUNTERS:
+ /* Read 802.5 Error Counters */
+ err = smctr_issue_read_ring_status_cmd(dev);
+ break;
+
+ /* Type 0x04 - MAC Type 2 Interrupt
+ * HOST needs to enqueue MAC Frame for transmission
+ * SubType Bit 15 - RQ_INIT_PDU( Request Initialization) * Changed from RQ_INIT_PDU to
+ * TRC_Status_Changed_Indicate
+ */
+ case ISB_IMC_MAC_TYPE_2:
+ err = smctr_issue_read_ring_status_cmd(dev);
+ break;
+
+
+ /* Type 0x05 - TX Frame Interrupt (FI). */
+ case ISB_IMC_TX_FRAME:
+ /* BUG QUEUE for TRC stuck receive BUG */
+ if(isb_subtype & TX_PENDING_PRIORITY_2)
+ {
+ if((err = smctr_tx_complete(dev,
+ BUG_QUEUE)) != SUCCESS)
+ break;
+ }
+
+ /* NON-MAC frames only */
+ if(isb_subtype & TX_PENDING_PRIORITY_1)
+ {
+ if((err = smctr_tx_complete(dev,
+ NON_MAC_QUEUE)) != SUCCESS)
+ break;
+ }
+
+ /* MAC frames only */
+ if(isb_subtype & TX_PENDING_PRIORITY_0)
+ err = smctr_tx_complete(dev, MAC_QUEUE); break;
+
+ /* Type 0x06 - TX END OF QUEUE (FE) */
+ case ISB_IMC_END_OF_TX_QUEUE:
+ /* BUG queue */
+ if(isb_subtype & TX_PENDING_PRIORITY_2)
+ {
+ /* ok to clear Receive FIFO overrun
+ * imask send_BUG now completes.
+ */
+ interrupt_unmask_bits |= 0x800;
+
+ tp->tx_queue_status[BUG_QUEUE]
+ = NOT_TRANSMITING;
+ if((err = smctr_tx_complete(dev,
+ BUG_QUEUE)) != SUCCESS)
+ break;
+ if((err = smctr_restart_tx_chain(dev,
+ BUG_QUEUE)) != SUCCESS)
+ break;
+ }
+
+ /* NON-MAC queue only */
+ if(isb_subtype & TX_PENDING_PRIORITY_1)
+ {
+ tp->tx_queue_status[NON_MAC_QUEUE]
+ = NOT_TRANSMITING;
+ if((err = smctr_tx_complete(dev,
+ NON_MAC_QUEUE)) != SUCCESS)
+ break;
+ if((err = smctr_restart_tx_chain(dev,
+ NON_MAC_QUEUE)) != SUCCESS)
+ break;
+ }
+
+ /* MAC queue only */
+ if(isb_subtype & TX_PENDING_PRIORITY_0)
+ {
+ tp->tx_queue_status[MAC_QUEUE]
+ = NOT_TRANSMITING;
+ if((err = smctr_tx_complete(dev,
+ MAC_QUEUE)) != SUCCESS)
+ break;
+
+ err = smctr_restart_tx_chain(dev,
+ MAC_QUEUE);
+ }
+ break;
+
+ /* Type 0x07 - NON-MAC RX Resource Interrupt
+ * Subtype bit 12 - (BW) BDB warning
+ * Subtype bit 13 - (FW) FCB warning
+ * Subtype bit 14 - (BE) BDB End of chain
+ * Subtype bit 15 - (FE) FCB End of chain
+ */
+ case ISB_IMC_NON_MAC_RX_RESOURCE:
+ tp->rx_fifo_overrun_count = 0;
+ tp->receive_queue_number = NON_MAC_QUEUE;
+ err1 = smctr_rx_frame(dev);
+
+ if(isb_subtype & NON_MAC_RX_RESOURCE_FE)
+ {
+ if((err = smctr_issue_resume_rx_fcb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break;
+
+ if(tp->ptr_rx_fcb_overruns)
+ (*tp->ptr_rx_fcb_overruns)++;
+ }
+
+ if(isb_subtype & NON_MAC_RX_RESOURCE_BE)
+ {
+ if((err = smctr_issue_resume_rx_bdb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break;
+
+ if(tp->ptr_rx_bdb_overruns)
+ (*tp->ptr_rx_bdb_overruns)++;
+ }
+ err = err1;
+ break;
+
+ /* Type 0x08 - MAC RX Resource Interrupt
+ * Subtype bit 12 - (BW) BDB warning
+ * Subtype bit 13 - (FW) FCB warning
+ * Subtype bit 14 - (BE) BDB End of chain
+ * Subtype bit 15 - (FE) FCB End of chain
+ */
+ case ISB_IMC_MAC_RX_RESOURCE:
+ tp->receive_queue_number = MAC_QUEUE;
+ err1 = smctr_rx_frame(dev);
+
+ if(isb_subtype & MAC_RX_RESOURCE_FE)
+ {
+ if((err = smctr_issue_resume_rx_fcb_cmd( dev, MAC_QUEUE)) != SUCCESS)
+ break;
+
+ if(tp->ptr_rx_fcb_overruns)
+ (*tp->ptr_rx_fcb_overruns)++;
+ }
+
+ if(isb_subtype & MAC_RX_RESOURCE_BE)
+ {
+ if((err = smctr_issue_resume_rx_bdb_cmd( dev, MAC_QUEUE)) != SUCCESS)
+ break;
+
+ if(tp->ptr_rx_bdb_overruns)
+ (*tp->ptr_rx_bdb_overruns)++;
+ }
+ err = err1;
+ break;
+
+ /* Type 0x09 - NON_MAC RX Frame Interrupt */
+ case ISB_IMC_NON_MAC_RX_FRAME:
+ tp->rx_fifo_overrun_count = 0;
+ tp->receive_queue_number = NON_MAC_QUEUE;
+ err = smctr_rx_frame(dev);
+ break;
+
+ /* Type 0x0A - MAC RX Frame Interrupt */
+ case ISB_IMC_MAC_RX_FRAME:
+ tp->receive_queue_number = MAC_QUEUE;
+ err = smctr_rx_frame(dev);
+ break;
+
+ /* Type 0x0B - TRC status
+ * TRC has encountered an error condition
+ * subtype bit 14 - transmit FIFO underrun
+ * subtype bit 15 - receive FIFO overrun
+ */
+ case ISB_IMC_TRC_FIFO_STATUS:
+ if(isb_subtype & TRC_FIFO_STATUS_TX_UNDERRUN)
+ {
+ if(tp->ptr_tx_fifo_underruns)
+ (*tp->ptr_tx_fifo_underruns)++;
+ }
+
+ if(isb_subtype & TRC_FIFO_STATUS_RX_OVERRUN)
+ {
+ /* update overrun stuck receive counter
+ * if >= 3, has to clear it by sending
+ * back to back frames. We pick
+ * DAT(duplicate address MAC frame)
+ */
+ tp->rx_fifo_overrun_count++;
+
+ if(tp->rx_fifo_overrun_count >= 3)
+ {
+ tp->rx_fifo_overrun_count = 0;
+
+ /* delay clearing fifo overrun
+ * imask till send_BUG tx
+ * complete posted
+ */
+ interrupt_unmask_bits &= (~0x800);
+ printk("Jay please send bug\n");// smctr_send_bug(dev);
+ }
+
+ if(tp->ptr_rx_fifo_overruns)
+ (*tp->ptr_rx_fifo_overruns)++;
+ }
+
+ err = SUCCESS;
+ break;
+
+ /* Type 0x0C - Action Command Status Interrupt
+ * Subtype bit 14 - CB end of command chain (CE)
+ * Subtype bit 15 - CB command interrupt (CI)
+ */
+ case ISB_IMC_COMMAND_STATUS:
+ err = SUCCESS;
+ if(tp->acb_head->cmd == ACB_CMD_HIC_NOP)
+ {
+ printk("i1\n");
+ smctr_disable_16bit(dev);
+
+ /* XXXXXXXXXXXXXXXXX */
+ /* err = UM_Interrupt(dev); */
+
+ smctr_enable_16bit(dev);
+ }
+ else
+ {
+ if((tp->acb_head->cmd
+ == ACB_CMD_READ_TRC_STATUS)
+ && (tp->acb_head->subcmd
+ == RW_TRC_STATUS_BLOCK))
+ {
+ if(tp->ptr_bcn_type != 0)
+ {
+ *(tp->ptr_bcn_type)
+ = (__u32)((SBlock *)tp->misc_command_data)->BCN_Type;
+ }
+
+ if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & ERROR_COUNTERS_CHANGED)
+ {
+ smctr_update_err_stats(dev);
+ }
+
+ if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & TI_NDIS_RING_STATUS_CHANGED)
+ {
+ tp->ring_status
+ = ((SBlock*)tp->misc_command_data)->TI_NDIS_Ring_Status;
+ smctr_disable_16bit(dev);
+ err = smctr_ring_status_chg(dev);
+ smctr_enable_16bit(dev);
+ if((tp->ring_status & REMOVE_RECEIVED)
+ && (tp->config_word0 & NO_AUTOREMOVE))
+ {
+ smctr_issue_remove_cmd(dev);
+ }
+
+ if(err != SUCCESS)
+ {
+ tp->acb_pending
+= 0;
+ break;
+ }
+ }
+
+ if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & UNA_CHANGED)
+ {
+ if(tp->ptr_una)
+ {
+ tp->ptr_una[0]
+ = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[0]);
+ tp->ptr_una[1]
+ = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[1]);
+ tp->ptr_una[2]
+ = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[2]);
+ }
+
+ }
+
+ if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate
+ & READY_TO_SEND_RQ_INIT) {
+ err = smctr_send_rq_init(dev);
+ }
+ }
+ }
+
+ tp->acb_pending = 0;
+ break;
+
+ /* Type 0x0D - MAC Type 1 interrupt
+ * Subtype -- 00 FR_BCN received at S12
+ * 01 FR_BCN received at S21
+ * 02 FR_DAT(DA=MA, A<>0) received at S21
+ * 03 TSM_EXP at S21
+ * 04 FR_REMOVE received at S42
+ * 05 TBR_EXP, BR_FLAG_SET at S42
+ * 06 TBT_EXP at S53
+ */
+ case ISB_IMC_MAC_TYPE_1:
+ if(isb_subtype > 8)
+ {
+ err = HARDWARE_FAILED;
+ break;
+ }
+
+ err = SUCCESS;
+ switch(isb_subtype)
+ {
+ case 0:
+ tp->join_state = JS_BYPASS_STATE;
+ if(tp->status != CLOSED)
+ {
+ tp->status = CLOSED;
+ err = smctr_status_chg(dev);
+ }
+ break;
+
+ case 1:
+ tp->join_state
+ = JS_LOBE_TEST_STATE;
+ break;
+
+ case 2:
+ tp->join_state
+ = JS_DETECT_MONITOR_PRESENT_STATE;
+ break;
+
+ case 3:
+ tp->join_state
+ = JS_AWAIT_NEW_MONITOR_STATE;
+ break;
+
+ case 4:
+ tp->join_state
+ = JS_DUPLICATE_ADDRESS_TEST_STATE;
+ break;
+
+ case 5:
+ tp->join_state
+ = JS_NEIGHBOR_NOTIFICATION_STATE;
+ break;
+
+ case 6:
+ tp->join_state
+ = JS_REQUEST_INITIALIZATION_STATE;
+ break;
+
+ case 7:
+ tp->join_state
+ = JS_JOIN_COMPLETE_STATE;
+ tp->status = OPEN;
+ err = smctr_status_chg(dev);
+ break;
+
+ case 8:
+ tp->join_state
+ = JS_BYPASS_WAIT_STATE;
+ break;
+ }
+ break ;
+
+ /* Type 0x0E - TRC Initialization Sequence Interrupt
+ * Subtype -- 00-FF Initializatin sequence complete
+ */
+ case ISB_IMC_TRC_INTRNL_TST_STATUS:
+ tp->status = INITIALIZED;
+ smctr_disable_16bit(dev);
+ err = smctr_status_chg(dev);
+ smctr_enable_16bit(dev);
+ break;
+
+ /* other interrupt types, illegal */
+ default:
+ break;
+ }
+
+ if(err != SUCCESS)
+ break;
+ }
+
+ /* Checking the ack code instead of the unmask bits here is because :
+ * while fixing the stuck receive, DAT frame are sent and mask off
+ * FIFO overrun interrupt temporarily (interrupt_unmask_bits = 0)
+ * but we still want to issue ack to ISB
+ */
+ if(!(interrupt_ack_code & 0xff00))
+ smctr_issue_int_ack(dev, interrupt_ack_code,
+ interrupt_unmask_bits);
+
+ smctr_disable_16bit(dev);
+ smctr_enable_bic_int(dev);
+
+ return;
+}
+
+static int smctr_issue_enable_int_cmd(struct net_device *dev,
+ __u16 interrupt_enable_mask)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ tp->sclb_ptr->int_mask_control = interrupt_enable_mask;
+ tp->sclb_ptr->valid_command = SCLB_VALID
+ | SCLB_CMD_CLEAR_INTERRUPT_MASK;
+
+ smctr_set_ctrl_attention(dev);
+
+ return (0);
+}
+
+static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code,
+ __u16 ibits)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_wait_while_cbusy(dev))
+ return (-1);
+
+ tp->sclb_ptr->int_mask_control = ibits;
+ tp->sclb_ptr->iack_code = iack_code << 1; /* use the offset from base */ tp->sclb_ptr->resume_control = 0;
+ tp->sclb_ptr->valid_command =
+ SCLB_VALID | SCLB_IACK_CODE_VALID
+ | SCLB_CMD_CLEAR_INTERRUPT_MASK;
+
+ smctr_set_ctrl_attention(dev);
+
+ return (0);
+}
+
+static int smctr_issue_init_timers_cmd(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i;
+ int err;
+ __u16 *pTimer_Struc = (__u16 *)tp->misc_command_data;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ tp->config_word0 = THDREN | DMA_TRIGGER | USETPT | NO_AUTOREMOVE;
+ tp->config_word1 = 0;
+
+ if((tp->media_type == MEDIA_STP_16)
+ || (tp->media_type == MEDIA_UTP_16)
+ || (tp->media_type == MEDIA_STP_16_UTP_16))
+ {
+ tp->config_word0 |= FREQ_16MB_BIT;
+ }
+
+ if(tp->mode_bits & EARLY_TOKEN_REL)
+ tp->config_word0 |= ETREN;
+
+ if(tp->mode_bits & LOOPING_MODE_MASK)
+ tp->config_word0 |= RX_OWN_BIT;
+ else
+ tp->config_word0 &= ~RX_OWN_BIT;
+
+ if(tp->receive_mask & PROMISCUOUS_MODE)
+ tp->config_word0 |= PROMISCUOUS_BIT;
+ else
+ tp->config_word0 &= ~PROMISCUOUS_BIT;
+
+ if(tp->receive_mask & ACCEPT_ERR_PACKETS)
+ tp->config_word0 |= SAVBAD_BIT;
+ else
+ tp->config_word0 &= ~SAVBAD_BIT;
+
+ if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)
+ tp->config_word0 |= RXATMAC;
+ else
+ tp->config_word0 &= ~RXATMAC;
+
+ if(tp->receive_mask & ACCEPT_MULTI_PROM)
+ tp->config_word1 |= MULTICAST_ADDRESS_BIT;
+ else
+ tp->config_word1 &= ~MULTICAST_ADDRESS_BIT;
+
+ if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING)
+ tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS;
+ else
+ {
+ if(tp->receive_mask & ACCEPT_SOURCE_ROUTING)
+ tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT;
+ else
+ tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS;
+ }
+
+ if((tp->media_type == MEDIA_STP_16)
+ || (tp->media_type == MEDIA_UTP_16)
+ || (tp->media_type == MEDIA_STP_16_UTP_16))
+ {
+ tp->config_word1 |= INTERFRAME_SPACING_16;
+ }
+ else
+ tp->config_word1 |= INTERFRAME_SPACING_4;
+
+ *pTimer_Struc++ = tp->config_word0;
+ *pTimer_Struc++ = tp->config_word1;
+
+ if((tp->media_type == MEDIA_STP_4)
+ || (tp->media_type == MEDIA_UTP_4)
+ || (tp->media_type == MEDIA_STP_4_UTP_4))
+ {
+ *pTimer_Struc++ = 0x00FA; /* prescale */
+ *pTimer_Struc++ = 0x2710; /* TPT_limit */
+ *pTimer_Struc++ = 0x2710; /* TQP_limit */
+ *pTimer_Struc++ = 0x0A28; /* TNT_limit */
+ *pTimer_Struc++ = 0x3E80; /* TBT_limit */
+ *pTimer_Struc++ = 0x3A98; /* TSM_limit */
+ *pTimer_Struc++ = 0x1B58; /* TAM_limit */
+ *pTimer_Struc++ = 0x00C8; /* TBR_limit */
+ *pTimer_Struc++ = 0x07D0; /* TER_limit */
+ *pTimer_Struc++ = 0x000A; /* TGT_limit */
+ *pTimer_Struc++ = 0x1162; /* THT_limit */
+ *pTimer_Struc++ = 0x07D0; /* TRR_limit */
+ *pTimer_Struc++ = 0x1388; /* TVX_limit */
+ *pTimer_Struc++ = 0x0000; /* reserved */
+ }
+ else
+ {
+ *pTimer_Struc++ = 0x03E8; /* prescale */
+ *pTimer_Struc++ = 0x9C40; /* TPT_limit */
+ *pTimer_Struc++ = 0x9C40; /* TQP_limit */
+ *pTimer_Struc++ = 0x0A28; /* TNT_limit */
+ *pTimer_Struc++ = 0x3E80; /* TBT_limit */
+ *pTimer_Struc++ = 0x3A98; /* TSM_limit */
+ *pTimer_Struc++ = 0x1B58; /* TAM_limit */
+ *pTimer_Struc++ = 0x00C8; /* TBR_limit */
+ *pTimer_Struc++ = 0x07D0; /* TER_limit */
+ *pTimer_Struc++ = 0x000A; /* TGT_limit */
+ *pTimer_Struc++ = 0x4588; /* THT_limit */
+ *pTimer_Struc++ = 0x1F40; /* TRR_limit */
+ *pTimer_Struc++ = 0x4E20; /* TVX_limit */
+ *pTimer_Struc++ = 0x0000; /* reserved */
+ }
+
+ /* Set node address. */
+ *pTimer_Struc++ = dev->dev_addr[0] << 8
+ | (dev->dev_addr[1] & 0xFF);
+ *pTimer_Struc++ = dev->dev_addr[2] << 8
+ | (dev->dev_addr[3] & 0xFF);
+ *pTimer_Struc++ = dev->dev_addr[4] << 8
+ | (dev->dev_addr[5] & 0xFF);
+
+ /* Set group address. */
+ *pTimer_Struc++ = tp->group_address_0 << 8
+ | tp->group_address_0 >> 8;
+ *pTimer_Struc++ = tp->group_address[0] << 8
+ | tp->group_address[0] >> 8;
+ *pTimer_Struc++ = tp->group_address[1] << 8
+ | tp->group_address[1] >> 8;
+
+ /* Set functional address. */
+ *pTimer_Struc++ = tp->functional_address_0 << 8
+ | tp->functional_address_0 >> 8;
+ *pTimer_Struc++ = tp->functional_address[0] << 8
+ | tp->functional_address[0] >> 8;
+ *pTimer_Struc++ = tp->functional_address[1] << 8
+ | tp->functional_address[1] >> 8;
+
+ /* Set Bit-Wise group address. */
+ *pTimer_Struc++ = tp->bitwise_group_address[0] << 8
+ | tp->bitwise_group_address[0] >> 8;
+ *pTimer_Struc++ = tp->bitwise_group_address[1] << 8
+ | tp->bitwise_group_address[1] >> 8;
+
+ /* Set ring number address. */
+ *pTimer_Struc++ = tp->source_ring_number;
+ *pTimer_Struc++ = tp->target_ring_number;
+
+ /* Physical drop number. */
+ *pTimer_Struc++ = (unsigned short)0;
+ *pTimer_Struc++ = (unsigned short)0;
+
+ /* Product instance ID. */
+ for(i = 0; i < 9; i++)
+ *pTimer_Struc++ = (unsigned short)0;
+
+ err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TRC_TIMERS, 0);
+
+ return (err);
+}
+
+static int smctr_issue_init_txrx_cmd(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i;
+ int err;
+ void **txrx_ptrs = (void *)tp->misc_command_data;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ /* Initialize Transmit Queue Pointers that are used, to point to
+ * a single FCB.
+ */
+ for(i = 0; i < NUM_TX_QS_USED; i++)
+ *txrx_ptrs++ = (void *)TRC_POINTER(tp->tx_fcb_head[i]);
+
+ /* Initialize Transmit Queue Pointers that are NOT used to ZERO. */
+ for(; i < MAX_TX_QS; i++)
+ *txrx_ptrs++ = (void *)0;
+
+ /* Initialize Receive Queue Pointers (MAC and Non-MAC) that are
+ * used, to point to a single FCB and a BDB chain of buffers.
+ */
+ for(i = 0; i < NUM_RX_QS_USED; i++)
+ {
+ *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_fcb_head[i]);
+ *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_bdb_head[i]);
+ }
+
+ /* Initialize Receive Queue Pointers that are NOT used to ZERO. */
+ for(; i < MAX_RX_QS; i++)
+ {
+ *txrx_ptrs++ = (void *)0;
+ *txrx_ptrs++ = (void *)0;
+ }
+
+ err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TX_RX, 0);
+
+ return (err);
+}
+
+static int smctr_issue_insert_cmd(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_INSERT, ACB_SUB_CMD_NOP);
+
+ return (err);
+}
+
+static int smctr_issue_read_ring_status_cmd(struct net_device *dev)
+{
+ int err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_READ_TRC_STATUS,
+ RW_TRC_STATUS_BLOCK);
+
+ return (err);
+}
+
+static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt)
+{
+ int err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_READ_VALUE,
+ aword_cnt);
+
+ return (err);
+}
+
+static int smctr_issue_remove_cmd(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ tp->sclb_ptr->resume_control = 0;
+ tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_REMOVE;
+
+ smctr_set_ctrl_attention(dev);
+
+ return (0);
+}
+
+static int smctr_issue_resume_acb_cmd(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ tp->sclb_ptr->resume_control = SCLB_RC_ACB;
+ tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID;
+
+ tp->acb_pending = 1;
+
+ smctr_set_ctrl_attention(dev);
+
+ return (0);
+}
+
+static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if(queue == MAC_QUEUE)
+ tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_BDB;
+ else
+ tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_BDB;
+
+ tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID;
+
+ smctr_set_ctrl_attention(dev);
+
+ return (0);
+}
+
+static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_issue_resume_rx_fcb_cmd\n", dev->name);
+
+ if(smctr_wait_while_cbusy(dev))
+ return (-1);
+
+ if(queue == MAC_QUEUE)
+ tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_FCB;
+ else
+ tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_FCB;
+
+ tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID;
+
+ smctr_set_ctrl_attention(dev);
+
+ return (0);
+}
+
+static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_issue_resume_tx_fcb_cmd\n", dev->name);
+
+ if(smctr_wait_while_cbusy(dev))
+ return (-1);
+
+ tp->sclb_ptr->resume_control = (SCLB_RC_TFCB0 << queue);
+ tp->sclb_ptr->valid_command = SCLB_RESUME_CONTROL_VALID | SCLB_VALID;
+
+ smctr_set_ctrl_attention(dev);
+
+ return (0);
+}
+
+static int smctr_issue_test_internal_rom_cmd(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST,
+ TRC_INTERNAL_ROM_TEST);
+
+ return (err);
+}
+
+static int smctr_issue_test_hic_cmd(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_HIC_TEST,
+ TRC_HOST_INTERFACE_REG_TEST);
+
+ return (err);
+}
+
+static int smctr_issue_test_mac_reg_cmd(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST,
+ TRC_MAC_REGISTERS_TEST);
+
+ return (err);
+}
+
+static int smctr_issue_trc_loopback_cmd(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST,
+ TRC_INTERNAL_LOOPBACK);
+
+ return (err);
+}
+
+static int smctr_issue_tri_loopback_cmd(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST,
+ TRC_TRI_LOOPBACK);
+
+ return (err);
+}
+
+static int smctr_issue_write_byte_cmd(struct net_device *dev,
+ short aword_cnt, void *byte)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int iword, ibyte;
+ int err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ for(iword = 0, ibyte = 0; iword < (unsigned int)(aword_cnt & 0xff);
+ iword++, ibyte += 2)
+ {
+ tp->misc_command_data[iword] = (*((__u8 *)byte + ibyte) << 8)
+ | (*((__u8 *)byte + ibyte + 1));
+ }
+
+ return (smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE,
+ aword_cnt));
+}
+
+static int smctr_issue_write_word_cmd(struct net_device *dev,
+ short aword_cnt, void *word)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, err;
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ for(i = 0; i < (unsigned int)(aword_cnt & 0xff); i++)
+ tp->misc_command_data[i] = *((__u16 *)word + i);
+
+ err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE,
+ aword_cnt);
+
+ return (err);
+}
+
+static int smctr_join_complete_state(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE,
+ JS_JOIN_COMPLETE_STATE);
+
+ return (err);
+}
+
+static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, j;
+ FCBlock *fcb;
+ BDBlock *bdb;
+
+ for(i = 0; i < NUM_TX_QS_USED; i++)
+ {
+ fcb = tp->tx_fcb_head[i];
+ bdb = tp->tx_bdb_head[i];
+
+ for(j = 0; j < tp->num_tx_fcbs[i]; j++)
+ {
+ fcb->bdb_ptr = bdb;
+ fcb->trc_bdb_ptr = TRC_POINTER(bdb);
+ fcb = (FCBlock *)((char *)fcb + sizeof(FCBlock));
+ bdb = (BDBlock *)((char *)bdb + sizeof(BDBlock));
+ }
+ }
+
+ return (0);
+}
+
+static int smctr_load_firmware(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u16 i, checksum = 0;
+ int err = 0;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_load_firmware\n", dev->name);
+
+ tp->ptr_ucode = smctr_code;
+ tp->num_of_tx_buffs = 4;
+ tp->mode_bits |= UMAC;
+ tp->receive_mask = 0;
+ tp->max_packet_size = 4177;
+
+ /* Can only upload the firmware once per adapter reset. */
+ if(tp->microcode_version != 0)
+ return (UCODE_PRESENT);
+
+ /* Verify the firmware exists and is there in the right amount. */
+ if((tp->ptr_ucode == 0L)
+ || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) < UCODE_VERSION))
+ {
+ return (UCODE_NOT_PRESENT);
+ }
+
+ /* UCODE_SIZE is not included in Checksum. */
+ for(i = 0; i < *((__u16 *)(tp->ptr_ucode + UCODE_SIZE_OFFSET)); i += 2)
+ checksum += *((__u16 *)(tp->ptr_ucode + 2 + i));
+ if(checksum)
+ return (UCODE_NOT_PRESENT);
+
+ /* At this point we have a valid firmware image, lets kick it on up. */
+ smctr_enable_adapter_ram(dev);
+ smctr_enable_16bit(dev);
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ if((smctr_checksum_firmware(dev))
+ || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET)
+ > tp->microcode_version))
+ {
+ smctr_enable_adapter_ctrl_store(dev);
+
+ /* Zero out ram space for firmware. */
+ for(i = 0; i < CS_RAM_SIZE; i += 2)
+ *((__u16 *)(tp->ram_access + i)) = 0;
+
+ smctr_decode_firmware(dev);
+
+ tp->microcode_version = *(tp->ptr_ucode + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET))
+ = (tp->microcode_version << 8);
+ *((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET))
+ = ~(tp->microcode_version << 8) + 1;
+
+ smctr_disable_adapter_ctrl_store(dev);
+
+ if(smctr_checksum_firmware(dev))
+ err = HARDWARE_FAILED;
+ }
+ else
+ err = UCODE_PRESENT;
+
+ smctr_disable_16bit(dev);
+
+ return (err);
+}
+
+static int smctr_load_node_addr(struct net_device *dev)
+{
+ int ioaddr = dev->base_addr;
+ unsigned int i;
+ __u8 r;
+
+ /* Check if node address has been specified by user. (non-0) */
+ for(i = 0; ((i < 6) && (dev->dev_addr[i] == 0)); i++);
+ {
+ if(i != 6)
+ {
+ for(i = 0; i < 6; i++)
+ {
+ r = inb(ioaddr + LAR0 + i);
+ dev->dev_addr[i] = (char)r;
+ }
+ dev->addr_len = 6;
+ }
+ else /* Node addr. not given by user, read it from board. */
+ {
+ for(i = 0; i < 6; i++)
+ {
+ r = inb(ioaddr + LAR0 + i);
+ dev->dev_addr[i] = (char)r;
+ }
+ dev->addr_len = 6;
+ }
+ }
+
+ return (0);
+}
+
+/* Lobe Media Test.
+ * During the transmission of the initial 1500 lobe media MAC frames,
+ * the phase lock loop in the 805 chip may lock, and then un-lock, causing
+ * the 825 to go into a PURGE state. When performing a PURGE, the MCT
+ * microcode will not transmit any frames given to it by the host, and
+ * will consequently cause a timeout.
+ *
+ * NOTE 1: If the monitor_state is MS_BEACON_TEST_STATE, all transmit
+ * queues other then the one used for the lobe_media_test should be
+ * disabled.!?
+ *
+ * NOTE 2: If the monitor_state is MS_BEACON_TEST_STATE and the receive_mask
+ * has any multi-cast or promiscous bits set, the receive_mask needs to
+ * be changed to clear the multi-cast or promiscous mode bits, the lobe_test
+ * run, and then the receive mask set back to its original value if the test
+ * is successful.
+ */
+static int smctr_lobe_media_test(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, perror = 0;
+ unsigned short saved_rcv_mask;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_lobe_media_test\n", dev->name);
+
+ /* Clear receive mask for lobe test. */
+ saved_rcv_mask = tp->receive_mask;
+ tp->receive_mask = 0;
+
+ smctr_chg_rx_mask(dev);
+
+ /* Setup the lobe media test. */
+ smctr_lobe_media_test_cmd(dev);
+ if(smctr_wait_cmd(dev))
+ {
+ smctr_reset_adapter(dev);
+ tp->status = CLOSED;
+ return (LOBE_MEDIA_TEST_FAILED);
+ }
+
+ /* Tx lobe media test frames. */
+ for(i = 0; i < 1500; ++i)
+ {
+ if(smctr_send_lobe_media_test(dev))
+ {
+ if(perror)
+ {
+ smctr_reset_adapter(dev);
+ tp->state = CLOSED;
+ return (LOBE_MEDIA_TEST_FAILED);
+ }
+ else
+ {
+ perror = 1;
+ if(smctr_lobe_media_test_cmd(dev))
+ {
+ smctr_reset_adapter(dev);
+ tp->state = CLOSED;
+ return (LOBE_MEDIA_TEST_FAILED);
+ }
+ }
+ }
+ }
+
+ if(smctr_send_dat(dev))
+ {
+ if(smctr_send_dat(dev))
+ {
+ smctr_reset_adapter(dev);
+ tp->state = CLOSED;
+ return (LOBE_MEDIA_TEST_FAILED);
+ }
+ }
+
+ /* Check if any frames received during test. */
+ if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status)
+ || (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status))
+ {
+ smctr_reset_adapter(dev);
+ tp->state = CLOSED;
+ return (LOBE_MEDIA_TEST_FAILED);
+ }
+
+ /* Set receive mask to "Promisc" mode. */
+ tp->receive_mask = saved_rcv_mask;
+
+ smctr_chg_rx_mask(dev);
+
+ return (0);
+}
+
+static int smctr_lobe_media_test_cmd(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_lobe_media_test_cmd\n", dev->name);
+
+ /* Change to lobe media test state. */
+ if(tp->monitor_state != MS_BEACON_TEST_STATE)
+ {
+ smctr_lobe_media_test_state(dev);
+ if(smctr_wait_cmd(dev))
+ {
+ printk("Lobe Failed test state\n");
+ return (LOBE_MEDIA_TEST_FAILED);
+ }
+ }
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST,
+ TRC_LOBE_MEDIA_TEST);
+
+ return (err);
+}
+
+static int smctr_lobe_media_test_state(struct net_device *dev)
+{
+ int err;
+
+ err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE,
+ JS_LOBE_TEST_STATE);
+
+ return (err);
+}
+
+static int smctr_make_8025_hdr(struct net_device *dev,
+ MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc)
+{
+ tmf->ac = MSB(ac_fc); /* msb is access control */
+ tmf->fc = LSB(ac_fc); /* lsb is frame control */
+
+ tmf->sa[0] = dev->dev_addr[0];
+ tmf->sa[1] = dev->dev_addr[1];
+ tmf->sa[2] = dev->dev_addr[2];
+ tmf->sa[3] = dev->dev_addr[3];
+ tmf->sa[4] = dev->dev_addr[4];
+ tmf->sa[5] = dev->dev_addr[5];
+
+ switch(tmf->vc)
+ {
+ /* Send RQ_INIT to RPS */
+ case RQ_INIT:
+ tmf->da[0] = 0xc0;
+ tmf->da[1] = 0x00;
+ tmf->da[2] = 0x00;
+ tmf->da[3] = 0x00;
+ tmf->da[4] = 0x00;
+ tmf->da[5] = 0x02;
+ break;
+
+ /* Send RPT_TX_FORWARD to CRS */
+ case RPT_TX_FORWARD:
+ tmf->da[0] = 0xc0;
+ tmf->da[1] = 0x00;
+ tmf->da[2] = 0x00;
+ tmf->da[3] = 0x00;
+ tmf->da[4] = 0x00;
+ tmf->da[5] = 0x10;
+ break;
+
+ /* Everything else goes to sender */
+ default:
+ tmf->da[0] = rmf->sa[0];
+ tmf->da[1] = rmf->sa[1];
+ tmf->da[2] = rmf->sa[2];
+ tmf->da[3] = rmf->sa[3];
+ tmf->da[4] = rmf->sa[4];
+ tmf->da[5] = rmf->sa[5];
+ break;
+ }
+
+ return (0);
+}
+
+static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ tsv->svi = AUTHORIZED_ACCESS_PRIORITY;
+ tsv->svl = S_AUTHORIZED_ACCESS_PRIORITY;
+
+ tsv->svv[0] = MSB(tp->authorized_access_priority);
+ tsv->svv[1] = LSB(tp->authorized_access_priority);
+
+ return (0);
+}
+
+static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv)
+{
+ tsv->svi = ADDRESS_MODIFER;
+ tsv->svl = S_ADDRESS_MODIFER;
+
+ tsv->svv[0] = 0;
+ tsv->svv[1] = 0;
+
+ return (0);
+}
+
+static int smctr_make_auth_funct_class(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ tsv->svi = AUTHORIZED_FUNCTION_CLASS;
+ tsv->svl = S_AUTHORIZED_FUNCTION_CLASS;
+
+ tsv->svv[0] = MSB(tp->authorized_function_classes);
+ tsv->svv[1] = LSB(tp->authorized_function_classes);
+
+ return (0);
+}
+
+static int smctr_make_corr(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv, __u16 correlator)
+{
+ tsv->svi = CORRELATOR;
+ tsv->svl = S_CORRELATOR;
+
+ tsv->svv[0] = MSB(correlator);
+ tsv->svv[1] = LSB(correlator);
+
+ return (0);
+}
+
+static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ smctr_get_functional_address(dev);
+
+ tsv->svi = FUNCTIONAL_ADDRESS;
+ tsv->svl = S_FUNCTIONAL_ADDRESS;
+
+ tsv->svv[0] = MSB(tp->misc_command_data[0]);
+ tsv->svv[1] = LSB(tp->misc_command_data[0]);
+
+ tsv->svv[2] = MSB(tp->misc_command_data[1]);
+ tsv->svv[3] = LSB(tp->misc_command_data[1]);
+
+ return (0);
+}
+
+static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ smctr_get_group_address(dev);
+
+ tsv->svi = GROUP_ADDRESS;
+ tsv->svl = S_GROUP_ADDRESS;
+
+ tsv->svv[0] = MSB(tp->misc_command_data[0]);
+ tsv->svv[1] = LSB(tp->misc_command_data[0]);
+
+ tsv->svv[2] = MSB(tp->misc_command_data[1]);
+ tsv->svv[3] = LSB(tp->misc_command_data[1]);
+
+ /* Set Group Address Sub-vector to all zeros if only the
+ * Group Address/Functional Address Indicator is set.
+ */
+ if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00
+ && tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00)
+ tsv->svv[0] = 0x00;
+
+ return (0);
+}
+
+static int smctr_make_phy_drop_num(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ smctr_get_physical_drop_number(dev);
+
+ tsv->svi = PHYSICAL_DROP;
+ tsv->svl = S_PHYSICAL_DROP;
+
+ tsv->svv[0] = MSB(tp->misc_command_data[0]);
+ tsv->svv[1] = LSB(tp->misc_command_data[0]);
+
+ tsv->svv[2] = MSB(tp->misc_command_data[1]);
+ tsv->svv[3] = LSB(tp->misc_command_data[1]);
+
+ return (0);
+}
+
+static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv)
+{
+ int i;
+
+ tsv->svi = PRODUCT_INSTANCE_ID;
+ tsv->svl = S_PRODUCT_INSTANCE_ID;
+
+ for(i = 0; i < 18; i++)
+ tsv->svv[i] = 0xF0;
+
+ return (0);
+}
+
+static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ smctr_get_station_id(dev);
+
+ tsv->svi = STATION_IDENTIFER;
+ tsv->svl = S_STATION_IDENTIFER;
+
+ tsv->svv[0] = MSB(tp->misc_command_data[0]);
+ tsv->svv[1] = LSB(tp->misc_command_data[0]);
+
+ tsv->svv[2] = MSB(tp->misc_command_data[1]);
+ tsv->svv[3] = LSB(tp->misc_command_data[1]);
+
+ tsv->svv[4] = MSB(tp->misc_command_data[2]);
+ tsv->svv[5] = LSB(tp->misc_command_data[2]);
+
+ return (0);
+}
+
+static int smctr_make_ring_station_status(struct net_device *dev,
+ MAC_SUB_VECTOR * tsv)
+{
+ tsv->svi = RING_STATION_STATUS;
+ tsv->svl = S_RING_STATION_STATUS;
+
+ tsv->svv[0] = 0;
+ tsv->svv[1] = 0;
+ tsv->svv[2] = 0;
+ tsv->svv[3] = 0;
+ tsv->svv[4] = 0;
+ tsv->svv[5] = 0;
+
+ return (0);
+}
+
+static int smctr_make_ring_station_version(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ tsv->svi = RING_STATION_VERSION_NUMBER;
+ tsv->svl = S_RING_STATION_VERSION_NUMBER;
+
+ tsv->svv[0] = 0xe2; /* EBCDIC - S */
+ tsv->svv[1] = 0xd4; /* EBCDIC - M */
+ tsv->svv[2] = 0xc3; /* EBCDIC - C */
+ tsv->svv[3] = 0x40; /* EBCDIC - */
+ tsv->svv[4] = 0xe5; /* EBCDIC - V */
+ tsv->svv[5] = 0xF0 + (tp->microcode_version >> 4);
+ tsv->svv[6] = 0xF0 + (tp->microcode_version & 0x0f);
+ tsv->svv[7] = 0x40; /* EBCDIC - */
+ tsv->svv[8] = 0xe7; /* EBCDIC - X */
+
+ if(tp->extra_info & CHIP_REV_MASK)
+ tsv->svv[9] = 0xc5; /* EBCDIC - E */
+ else
+ tsv->svv[9] = 0xc4; /* EBCDIC - D */
+
+ return (0);
+}
+
+static int smctr_make_tx_status_code(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv, __u16 tx_fstatus)
+{
+ tsv->svi = TRANSMIT_STATUS_CODE;
+ tsv->svl = S_TRANSMIT_STATUS_CODE;
+
+ tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) || IBM_PASS_SOURCE_ADDR);
+
+ /* Stripped frame status of Transmitted Frame */
+ tsv->svv[1] = tx_fstatus & 0xff;
+
+ return (0);
+}
+
+static int smctr_make_upstream_neighbor_addr(struct net_device *dev,
+ MAC_SUB_VECTOR *tsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ smctr_get_upstream_neighbor_addr(dev);
+
+ tsv->svi = UPSTREAM_NEIGHBOR_ADDRESS;
+ tsv->svl = S_UPSTREAM_NEIGHBOR_ADDRESS;
+
+ tsv->svv[0] = MSB(tp->misc_command_data[0]);
+ tsv->svv[1] = LSB(tp->misc_command_data[0]);
+
+ tsv->svv[2] = MSB(tp->misc_command_data[1]);
+ tsv->svv[3] = LSB(tp->misc_command_data[1]);
+
+ tsv->svv[4] = MSB(tp->misc_command_data[2]);
+ tsv->svv[5] = LSB(tp->misc_command_data[2]);
+
+ return (0);
+}
+
+static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv)
+{
+ tsv->svi = WRAP_DATA;
+ tsv->svl = S_WRAP_DATA;
+
+ return (0);
+}
+
+/*
+ * Open/initialize the board. This is called sometime after
+ * booting when the 'ifconfig' program is run.
+ *
+ * This routine should set everything up anew at each open, even
+ * registers that "should" only need to be set once at boot, so that
+ * there is non-reboot way to recover if something goes wrong.
+ */
+static int smctr_open(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_open\n", dev->name);
+
+ tp->status = NOT_INITIALIZED;
+
+ err = smctr_load_firmware(dev);
+ if(err < 0)
+ return (err);
+
+ err = smctr_init_adapter(dev);
+ if(err < 0)
+ return (err);
+
+#ifdef MODULE
+ MOD_INC_USE_COUNT;
+#endif
+
+ return (err);
+}
+
+/* Interrupt driven open of Token card. */
+static int smctr_open_tr(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned long flags;
+ int err;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_open_tr\n", dev->name);
+
+ /* Now we can actually open the adapter. */
+ if(tp->status == OPEN)
+ return (0);
+ if(tp->status != INITIALIZED)
+ return (-1);
+
+ save_flags(flags);
+ cli();
+
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)MAC_QUEUE)))
+ return (err);
+
+ if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)MAC_QUEUE)))
+ return (err);
+
+ if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)NON_MAC_QUEUE)))
+ return (err);
+
+ if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)NON_MAC_QUEUE)))
+ return (err);
+
+ tp->status = CLOSED;
+
+ /* Insert into the Ring or Enter Loopback Mode. */
+ if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_1)
+ {
+ tp->status = CLOSED;
+
+ if(!(err = smctr_issue_trc_loopback_cmd(dev)))
+ {
+ if(!(err = smctr_wait_cmd(dev)))
+ tp->status = OPEN;
+ }
+
+ smctr_status_chg(dev);
+ }
+ else
+ {
+ if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_2)
+ {
+ tp->status = CLOSED;
+ if(!(err = smctr_issue_tri_loopback_cmd(dev)))
+ {
+ if(!(err = smctr_wait_cmd(dev)))
+ tp->status = OPEN;
+ }
+
+ smctr_status_chg(dev);
+ }
+ else
+ {
+ if((tp->mode_bits & LOOPING_MODE_MASK)
+ == LOOPBACK_MODE_3)
+ {
+ tp->status = CLOSED;
+ if(!(err = smctr_lobe_media_test_cmd(dev)))
+ {
+ if(!(err = smctr_wait_cmd(dev)))
+ tp->status = OPEN;
+ }
+ smctr_status_chg(dev);
+ }
+ else
+ {
+ if(!(err = smctr_lobe_media_test(dev)))
+ err = smctr_issue_insert_cmd(dev);
+ }
+ }
+ }
+
+ restore_flags(flags);
+
+ return (err);
+}
+
+/* Check for a network adapter of this type, and return '0 if one exists.
+ * If dev->base_addr == 0, probe all likely locations.
+ * If dev->base_addr == 1, always return failure.
+ */
+int __init smctr_probe (struct net_device *dev)
+{
+ int i;
+ int base_addr = dev ? dev->base_addr : 0;
+
+ if(base_addr > 0x1ff) /* Check a single specified location. */
+ return (smctr_probe1(dev, base_addr));
+ else if(base_addr != 0) /* Don't probe at all. */
+ return (-ENXIO);
+
+ for(i = 0; smctr_portlist[i]; i++)
+ {
+ int ioaddr = smctr_portlist[i];
+ if(check_region(ioaddr, SMCTR_IO_EXTENT))
+ continue;
+ if(smctr_probe1(dev, ioaddr))
+ {
+#ifndef MODULE
+ tr_freedev(dev);
+#endif
+ }
+ else
+ return (0);
+ }
+
+ return (-ENODEV);
+}
+
+static int __init smctr_probe1(struct net_device *dev, int ioaddr)
+{
+ static unsigned version_printed = 0;
+ struct net_local *tp;
+ int err;
+ __u32 *ram;
+
+ if(smctr_debug && version_printed++ == 0)
+ printk("%s", version);
+
+#ifndef MODULE
+ dev = init_trdev(dev, 0);
+ if(dev == NULL)
+ return (-ENOMEM);
+#endif
+
+ /* See if we have a SMCTR card floating around. */
+ if((ioaddr & 0x1F) != 0)
+ return (-ENODEV); /* No Adapter */
+
+ /* Setup this devices private information structure */
+ tp = (struct net_local *)kmalloc(sizeof(struct net_local),
+ GFP_KERNEL);
+ if(tp == NULL)
+ return (-ENOMEM);
+ memset(tp, 0, sizeof(struct net_local));
+ dev->priv = tp;
+ dev->base_addr = ioaddr;
+
+ err = smctr_find_adapter(dev);
+ if(err < 0)
+ {
+ kfree_s(tp, sizeof(struct net_local));
+ return (-ENODEV);
+ }
+
+ tp = (struct net_local *)dev->priv;
+ dev->rmem_start = dev->mem_start = tp->ram_base;
+ dev->rmem_end = dev->mem_end = dev->mem_start + 0x10000;
+ ram = (__u32 *)phys_to_virt(dev->mem_start);
+ tp->ram_access = *(__u32 *)&ram;
+
+ /* Allow user to specify ring speed on module insert. */
+ if(ringspeed == 4)
+ tp->media_type = MEDIA_UTP_4;
+ else
+ tp->media_type = MEDIA_UTP_16;
+
+ printk("%s: %s %s at Io %#4x, Irq %d, Rom %#4x, Ram %#4x.\n",
+ dev->name, smctr_name, smctr_model,
+ (unsigned int)dev->base_addr,
+ dev->irq, tp->rom_base, tp->ram_base);
+
+ dev->init = smctr_init_card;
+ dev->open = smctr_open;
+ dev->stop = smctr_close;
+ dev->hard_start_xmit = smctr_send_packet;
+ dev->get_stats = smctr_get_stats;
+ dev->set_multicast_list = &smctr_set_multicast_list;
+
+ return (0);
+}
+
+static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size,
+ struct net_device *dev, __u16 rx_status)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ struct sk_buff *skb;
+ __u16 rcode, correlator;
+ int err = 0;
+ __u8 xframe = 1;
+ __u16 tx_fstatus;
+
+ rmf->vl = SWAP_BYTES(rmf->vl);
+ if(rx_status & FCB_RX_STATUS_DA_MATCHED)
+ {
+ switch(rmf->vc)
+ {
+ /* Received MAC Frames Processed by RS. */
+ case INIT:
+ if((rcode = smctr_rcv_init(dev, rmf,
+ &correlator)) == HARDWARE_FAILED)
+ {
+ return (rcode);
+ }
+
+ if((err = smctr_send_rsp(dev, rmf, rcode,
+ correlator)))
+ {
+ return (err);
+ }
+ break;
+
+ case CHG_PARM:
+ if((rcode = smctr_rcv_chg_param(dev, rmf,
+ &correlator)) ==HARDWARE_FAILED)
+ {
+ return (rcode);
+ }
+
+ if((err = smctr_send_rsp(dev, rmf, rcode,
+ correlator)))
+ {
+ return (err);
+ }
+ break;
+
+ case RQ_ADDR:
+ if((rcode = smctr_rcv_rq_addr_state_attch(dev,
+ rmf, &correlator)) != POSITIVE_ACK)
+ {
+ if(rcode == HARDWARE_FAILED)
+ return (rcode);
+ else
+ return (smctr_send_rsp(dev, rmf,
+ rcode, correlator));
+ }
+
+ if((err = smctr_send_rpt_addr(dev, rmf,
+ correlator)))
+ {
+ return (err);
+ }
+ break;
+
+ case RQ_ATTCH:
+ if((rcode = smctr_rcv_rq_addr_state_attch(dev,
+ rmf, &correlator)) != POSITIVE_ACK)
+ {
+ if(rcode == HARDWARE_FAILED)
+ return (rcode);
+ else
+ return (smctr_send_rsp(dev, rmf,
+ rcode,
+ correlator));
+ }
+
+ if((err = smctr_send_rpt_attch(dev, rmf,
+ correlator)))
+ {
+ return (err);
+ }
+ break;
+
+ case RQ_STATE:
+ if((rcode = smctr_rcv_rq_addr_state_attch(dev,
+ rmf, &correlator)) != POSITIVE_ACK)
+ {
+ if(rcode == HARDWARE_FAILED)
+ return (rcode);
+ else
+ return (smctr_send_rsp(dev, rmf,
+ rcode,
+ correlator));
+ }
+
+ if((err = smctr_send_rpt_state(dev, rmf,
+ correlator)))
+ {
+ return (err);
+ }
+ break;
+
+ case TX_FORWARD:
+ if((rcode = smctr_rcv_tx_forward(dev, rmf))
+ != POSITIVE_ACK)
+ {
+ if(rcode == HARDWARE_FAILED)
+ return (rcode);
+ else
+ return (smctr_send_rsp(dev, rmf,
+ rcode,
+ correlator));
+ }
+
+ if((err = smctr_send_tx_forward(dev, rmf,
+ &tx_fstatus)) == HARDWARE_FAILED)
+ {
+ return (err);
+ }
+
+ if(err == A_FRAME_WAS_FORWARDED)
+ {
+ if((err = smctr_send_rpt_tx_forward(dev,
+ rmf, tx_fstatus))
+ == HARDWARE_FAILED)
+ {
+ return (err);
+ }
+ }
+ break;
+
+ /* Received MAC Frames Processed by CRS/REM/RPS. */
+ case RSP:
+ case RQ_INIT:
+ case RPT_NEW_MON:
+ case RPT_SUA_CHG:
+ case RPT_ACTIVE_ERR:
+ case RPT_NN_INCMP:
+ case RPT_ERROR:
+ case RPT_ATTCH:
+ case RPT_STATE:
+ case RPT_ADDR:
+ break;
+
+ /* Rcvd Att. MAC Frame (if RXATMAC set) or UNKNOWN */
+ default:
+ xframe = 0;
+ if(!(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES))
+ {
+ rcode = smctr_rcv_unknown(dev, rmf,
+ &correlator);
+ if((err = smctr_send_rsp(dev, rmf,rcode,
+ correlator)))
+ {
+ return (err);
+ }
+ }
+
+ break;
+ }
+ }
+ else
+ {
+ /* 1. DA doesn't match (Promiscuous Mode).
+ * 2. Parse for Extended MAC Frame Type.
+ */
+ switch(rmf->vc)
+ {
+ case RSP:
+ case INIT:
+ case RQ_INIT:
+ case RQ_ADDR:
+ case RQ_ATTCH:
+ case RQ_STATE:
+ case CHG_PARM:
+ case RPT_ADDR:
+ case RPT_ERROR:
+ case RPT_ATTCH:
+ case RPT_STATE:
+ case RPT_NEW_MON:
+ case RPT_SUA_CHG:
+ case RPT_NN_INCMP:
+ case RPT_ACTIVE_ERR:
+ break;
+
+ default:
+ xframe = 0;
+ break;
+ }
+ }
+
+ /* NOTE: UNKNOWN MAC frames will NOT be passed up unless
+ * ACCEPT_ATT_MAC_FRAMES is set.
+ */
+ if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)
+ && (xframe == (__u8)0))
+ || ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES)
+ && (xframe == (__u8)1)))
+ {
+ rmf->vl = SWAP_BYTES(rmf->vl);
+
+ skb = dev_alloc_skb(size);
+ skb->len = size;
+
+ /* Slide data into a sleek skb. */
+ skb_put(skb, skb->len);
+ memcpy(skb->data, rmf, skb->len);
+
+ /* Update Counters */
+ tp->MacStat.rx_packets++;
+ tp->MacStat.rx_bytes += skb->len;
+
+ /* Kick the packet on up. */
+ skb->dev = dev;
+ skb->protocol = tr_type_trans(skb, dev);
+ netif_rx(skb);
+ err = 0;
+ }
+
+ return (err);
+}
+
+/* Test for RAM in adapter RAM space. */
+static int smctr_ram_conflict_test(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i;
+ __u16 sword;
+
+ for(i = 0; i < (unsigned int)(tp->ram_usable * 1024); i += 1024)
+ {
+ sword = *(__u16 *)(tp->ram_access + i);
+ *(__u16 *)(tp->ram_access + i) = 0x1234;
+ if(*(__u16 *)(tp->ram_access + i) == 0x1234)
+ {
+ *(__u16 *)(tp->ram_access + i) = sword;
+ return (-1);
+ }
+ }
+
+ return (0);
+}
+
+/* Adapter RAM test. Incremental word ODD boundry data test. */
+static int smctr_ram_memory_test(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u16 page, pages_of_ram, start_pattern = 0, word_pattern = 0,
+ word_read = 0, err_word = 0, err_pattern = 0;
+ unsigned int err_offset;
+ __u32 j, pword;
+ __u8 err = 0;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_ram_memory_test\n", dev->name);
+
+ start_pattern = 0x0001;
+ pages_of_ram = tp->ram_size / tp->ram_usable;
+ pword = tp->ram_access;
+
+ /* Incremental word ODD boundry test. */
+ for(page = 0; (page < pages_of_ram) && (~err);
+ page++, start_pattern += 0x8000)
+ {
+ smctr_set_page(dev, (__u8 *)(tp->ram_access
+ + (page * tp->ram_usable * 1024) + 1));
+ word_pattern = start_pattern;
+
+ for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1; j += 2)
+ *(__u16 *)(pword + j) = word_pattern++;
+
+ word_pattern = start_pattern;
+
+ for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1
+ && (~err); j += 2, word_pattern++)
+ {
+ word_read = *(__u16 *)(pword + j);
+ if(word_read != word_pattern)
+ {
+ err = (__u8)1;
+ err_offset = j;
+ err_word = word_read;
+ err_pattern = word_pattern;
+ return (-1);
+ }
+ }
+ }
+
+ /* Zero out memory. */
+ for(page = 0; page < pages_of_ram && (~err); page++)
+ {
+ smctr_set_page(dev, (__u8 *)(tp->ram_access
+ + (page * tp->ram_usable * 1024)));
+ word_pattern = 0;
+
+ for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2)
+ *(__u16 *)(pword + j) = word_pattern;
+
+ for(j =0; j < (__u32)tp->ram_usable * 1024
+ && (~err); j += 2)
+ {
+ word_read = *(__u16 *)(pword + j);
+ if(word_read != word_pattern)
+ {
+ err = (__u8)1;
+ err_offset = j;
+ err_word = word_read;
+ err_pattern = word_pattern;
+ return (-1);
+ }
+ }
+ }
+
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+
+ return (0);
+}
+
+static unsigned int __init smctr_read_584_chksum(int ioaddr)
+{
+ __u8 pg_no, r1, r2;
+ __u16 byte_no, csum_val = 0;
+
+ for(pg_no = 0; pg_no < 16; pg_no++)
+ {
+ r1 = inb(ioaddr + 0x01);
+ r1 &= 0x04;
+ r1 |= 0x02;
+
+ outb(r1, ioaddr + 0x01);
+
+ r1 = inb(ioaddr + 0x03);
+ r1 &= 0x0f;
+ r1 |= (pg_no << 4);
+
+ outb(r1, ioaddr + 0x03);
+
+ r1 = inb(ioaddr + 0x01);
+ r1 &= 0x04;
+ r1 |= 0x12;
+
+ outb(r1, ioaddr + 0x01);
+
+ do {
+ r1 = inb(ioaddr + 0x01);
+ } while(r1 & 0x10);
+
+ r2 = 0;
+ for(byte_no = 0x08; byte_no < 0x10; byte_no++)
+ {
+ r1 = inb(ioaddr + byte_no);
+ r2 += r1;
+ }
+
+ csum_val += r2;
+ }
+
+ r1 = inb(ioaddr + 0x01);
+ r1 &= 0x04;
+ r1 |= 0x10;
+ outb(r1, ioaddr + 0x01);
+
+ csum_val &= 0xff;
+ if(csum_val == 0xff)
+ return (0);
+ else
+ return (-1);
+}
+
+static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *correlator)
+{
+ MAC_SUB_VECTOR *rsv;
+ signed short vlen;
+ __u16 rcode = POSITIVE_ACK;
+ unsigned int svectors = F_NO_SUB_VECTORS_FOUND;
+
+ /* This Frame can only come from a CRS */
+ if((rmf->dc_sc & SC_MASK) != SC_CRS)
+ return(E_INAPPROPRIATE_SOURCE_CLASS);
+
+ /* Remove MVID Length from total length. */
+ vlen = (signed short)rmf->vl - 4;
+
+ /* Point to First SVID */
+ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER));
+
+ /* Search for Appropriate SVID's. */
+ while((vlen > 0) && (rcode == POSITIVE_ACK))
+ {
+ switch(rsv->svi)
+ {
+ case CORRELATOR:
+ svectors |= F_CORRELATOR;
+ rcode = smctr_set_corr(dev, rsv, correlator);
+ break;
+
+ case LOCAL_RING_NUMBER:
+ svectors |= F_LOCAL_RING_NUMBER;
+ rcode = smctr_set_local_ring_num(dev, rsv);
+ break;
+
+ case ASSIGN_PHYSICAL_DROP:
+ svectors |= F_ASSIGN_PHYSICAL_DROP;
+ rcode = smctr_set_phy_drop(dev, rsv);
+ break;
+
+ case ERROR_TIMER_VALUE:
+ svectors |= F_ERROR_TIMER_VALUE;
+ rcode = smctr_set_error_timer_value(dev, rsv);
+ break;
+
+ case AUTHORIZED_FUNCTION_CLASS:
+ svectors |= F_AUTHORIZED_FUNCTION_CLASS;
+ rcode = smctr_set_auth_funct_class(dev, rsv);
+ break;
+
+ case AUTHORIZED_ACCESS_PRIORITY:
+ svectors |= F_AUTHORIZED_ACCESS_PRIORITY;
+ rcode = smctr_set_auth_access_pri(dev, rsv);
+ break;
+
+ default:
+ rcode = E_SUB_VECTOR_UNKNOWN;
+ break;
+ }
+
+ /* Let Sender Know if SUM of SV length's is
+ * larger then length in MVID length field
+ */
+ if((vlen -= rsv->svl) < 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+
+ rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl);
+ }
+
+ if(rcode == POSITIVE_ACK)
+ {
+ /* Let Sender Know if MVID length field
+ * is larger then SUM of SV length's
+ */
+ if(vlen != 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+ else
+ {
+ /* Let Sender Know if Expected SVID Missing */
+ if((svectors & R_CHG_PARM) ^ R_CHG_PARM)
+ rcode = E_MISSING_SUB_VECTOR;
+ }
+ }
+
+ return (rcode);
+}
+
+static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *correlator)
+{
+ MAC_SUB_VECTOR *rsv;
+ signed short vlen;
+ __u16 rcode = POSITIVE_ACK;
+ unsigned int svectors = F_NO_SUB_VECTORS_FOUND;
+
+ /* This Frame can only come from a RPS */
+ if((rmf->dc_sc & SC_MASK) != SC_RPS)
+ return (E_INAPPROPRIATE_SOURCE_CLASS);
+
+ /* Remove MVID Length from total length. */
+ vlen = (signed short)rmf->vl - 4;
+
+ /* Point to First SVID */
+ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER));
+
+ /* Search for Appropriate SVID's */
+ while((vlen > 0) && (rcode == POSITIVE_ACK))
+ {
+ switch(rsv->svi)
+ {
+ case CORRELATOR:
+ svectors |= F_CORRELATOR;
+ rcode = smctr_set_corr(dev, rsv, correlator);
+ break;
+
+ case LOCAL_RING_NUMBER:
+ svectors |= F_LOCAL_RING_NUMBER;
+ rcode = smctr_set_local_ring_num(dev, rsv);
+ break;
+
+ case ASSIGN_PHYSICAL_DROP:
+ svectors |= F_ASSIGN_PHYSICAL_DROP;
+ rcode = smctr_set_phy_drop(dev, rsv);
+ break;
+
+ case ERROR_TIMER_VALUE:
+ svectors |= F_ERROR_TIMER_VALUE;
+ rcode = smctr_set_error_timer_value(dev, rsv);
+ break;
+
+ default:
+ rcode = E_SUB_VECTOR_UNKNOWN;
+ break;
+ }
+
+ /* Let Sender Know if SUM of SV length's is
+ * larger then length in MVID length field
+ */
+ if((vlen -= rsv->svl) < 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+
+ rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl);
+ }
+
+ if(rcode == POSITIVE_ACK)
+ {
+ /* Let Sender Know if MVID length field
+ * is larger then SUM of SV length's
+ */
+ if(vlen != 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+ else
+ {
+ /* Let Sender Know if Expected SV Missing */
+ if((svectors & R_INIT) ^ R_INIT)
+ rcode = E_MISSING_SUB_VECTOR;
+ }
+ }
+
+ return (rcode);
+}
+
+static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf)
+{
+ MAC_SUB_VECTOR *rsv;
+ signed short vlen;
+ __u16 rcode = POSITIVE_ACK;
+ unsigned int svectors = F_NO_SUB_VECTORS_FOUND;
+
+ /* This Frame can only come from a CRS */
+ if((rmf->dc_sc & SC_MASK) != SC_CRS)
+ return (E_INAPPROPRIATE_SOURCE_CLASS);
+
+ /* Remove MVID Length from total length */
+ vlen = (signed short)rmf->vl - 4;
+
+ /* Point to First SVID */
+ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER));
+
+ /* Search for Appropriate SVID's */
+ while((vlen > 0) && (rcode == POSITIVE_ACK))
+ {
+ switch(rsv->svi)
+ {
+ case FRAME_FORWARD:
+ svectors |= F_FRAME_FORWARD;
+ rcode = smctr_set_frame_forward(dev, rsv,
+ rmf->dc_sc);
+ break;
+
+ default:
+ rcode = E_SUB_VECTOR_UNKNOWN;
+ break;
+ }
+
+ /* Let Sender Know if SUM of SV length's is
+ * larger then length in MVID length field
+ */
+ if((vlen -= rsv->svl) < 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+
+ rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl);
+ }
+
+ if(rcode == POSITIVE_ACK)
+ {
+ /* Let Sender Know if MVID length field
+ * is larger then SUM of SV length's
+ */
+ if(vlen != 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+ else
+ {
+ /* Let Sender Know if Expected SV Missing */
+ if((svectors & R_TX_FORWARD) ^ R_TX_FORWARD)
+ rcode = E_MISSING_SUB_VECTOR;
+ }
+ }
+
+ return (rcode);
+}
+
+static int smctr_rcv_rq_addr_state_attch(struct net_device *dev,
+ MAC_HEADER *rmf, __u16 *correlator)
+{
+ MAC_SUB_VECTOR *rsv;
+ signed short vlen;
+ __u16 rcode = POSITIVE_ACK;
+ unsigned int svectors = F_NO_SUB_VECTORS_FOUND;
+
+ /* Remove MVID Length from total length */
+ vlen = (signed short)rmf->vl - 4;
+
+ /* Point to First SVID */
+ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER));
+
+ /* Search for Appropriate SVID's */
+ while((vlen > 0) && (rcode == POSITIVE_ACK))
+ {
+ switch(rsv->svi)
+ {
+ case CORRELATOR:
+ svectors |= F_CORRELATOR;
+ rcode = smctr_set_corr(dev, rsv, correlator);
+ break;
+
+ default:
+ rcode = E_SUB_VECTOR_UNKNOWN;
+ break;
+ }
+
+ /* Let Sender Know if SUM of SV length's is
+ * larger then length in MVID length field
+ */
+ if((vlen -= rsv->svl) < 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+
+ rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl);
+ }
+
+ if(rcode == POSITIVE_ACK)
+ {
+ /* Let Sender Know if MVID length field
+ * is larger then SUM of SV length's
+ */
+ if(vlen != 0)
+ rcode = E_VECTOR_LENGTH_ERROR;
+ else
+ {
+ /* Let Sender Know if Expected SVID Missing */
+ if((svectors & R_RQ_ATTCH_STATE_ADDR)
+ ^ R_RQ_ATTCH_STATE_ADDR)
+ rcode = E_MISSING_SUB_VECTOR;
+ }
+ }
+
+ return (rcode);
+}
+
+static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *correlator)
+{
+ MAC_SUB_VECTOR *rsv;
+ signed short vlen;
+
+ *correlator = 0;
+
+ /* Remove MVID Length from total length */
+ vlen = (signed short)rmf->vl - 4;
+
+ /* Point to First SVID */
+ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER));
+
+ /* Search for CORRELATOR for RSP to UNKNOWN */
+ while((vlen > 0) && (*correlator == 0))
+ {
+ switch(rsv->svi)
+ {
+ case CORRELATOR:
+ smctr_set_corr(dev, rsv, correlator);
+ break;
+
+ default:
+ break;
+ }
+
+ vlen -= rsv->svl;
+ rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl);
+ }
+
+ return (E_UNRECOGNIZED_VECTOR_ID);
+}
+
+/*
+ * Reset the 825 NIC and exit w:
+ * 1. The NIC reset cleared (non-reset state), halted and un-initialized.
+ * 2. TINT masked.
+ * 3. CBUSY masked.
+ * 4. TINT clear.
+ * 5. CBUSY clear.
+ */
+static int smctr_reset_adapter(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+
+ /* Reseting the NIC will put it in a halted and un-initialized state. */ smctr_set_trc_reset(ioaddr);
+ udelay(200000); /* ~2 ms */
+
+ smctr_clear_trc_reset(ioaddr);
+ udelay(200000); /* ~2 ms */
+
+ /* Remove any latched interrupts that occured prior to reseting the
+ * adapter or possibily caused by line glitches due to the reset.
+ */
+ outb(tp->trc_mask | CSR_CLRTINT | CSR_CLRCBUSY, ioaddr + CSR);
+
+ return (0);
+}
+
+static int smctr_restart_tx_chain(struct net_device *dev, short queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err = 0;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_restart_tx_chain\n", dev->name);
+
+ if(tp->num_tx_fcbs_used[queue] != 0
+ && tp->tx_queue_status[queue] == NOT_TRANSMITING)
+ {
+ tp->tx_queue_status[queue] = TRANSMITING;
+ err = smctr_issue_resume_tx_fcb_cmd(dev, queue);
+ }
+
+ return (err);
+}
+
+static int smctr_ring_status_chg(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_ring_status_chg\n", dev->name);
+
+ /* Check for ring_status_flag: whenever MONITOR_STATE_BIT
+ * Bit is set, check value of monitor_state, only then we
+ * enable and start transmit/receive timeout (if and only
+ * if it is MS_ACTIVE_MONITOR_STATE or MS_STANDBY_MONITOR_STATE)
+ */
+ if(tp->ring_status_flags == MONITOR_STATE_CHANGED)
+ {
+ if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE)
+ || (tp->monitor_state == MS_STANDBY_MONITOR_STATE))
+ {
+ tp->monitor_state_ready = 1;
+ }
+ else
+ {
+ /* if adapter is NOT in either active monitor
+ * or standby monitor state => Disable
+ * transmit/receive timeout.
+ */
+ tp->monitor_state_ready = 0;
+
+ /* Ring speed problem, switching to auto mode. */
+ if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE
+ && !tp->cleanup)
+ {
+ printk(KERN_INFO "%s: Incorrect ring speed switching.\n",
+ dev->name);
+ smctr_set_ring_speed(dev);
+ }
+ }
+ }
+
+ if(!(tp->ring_status_flags & RING_STATUS_CHANGED))
+ return (0);
+
+ switch(tp->ring_status)
+ {
+ case RING_RECOVERY:
+ printk(KERN_INFO "%s: Ring Recovery\n", dev->name);
+ tp->current_ring_status |= RING_RECOVERY;
+ break;
+
+ case SINGLE_STATION:
+ printk(KERN_INFO "%s: Single Statinon\n", dev->name);
+ tp->current_ring_status |= SINGLE_STATION;
+ break;
+
+ case COUNTER_OVERFLOW:
+ printk(KERN_INFO "%s: Counter Overflow\n", dev->name);
+ tp->current_ring_status |= COUNTER_OVERFLOW;
+ break;
+
+ case REMOVE_RECEIVED:
+ printk(KERN_INFO "%s: Remove Received\n", dev->name);
+ tp->current_ring_status |= REMOVE_RECEIVED;
+ break;
+
+ case AUTO_REMOVAL_ERROR:
+ printk(KERN_INFO "%s: Auto Remove Error\n", dev->name);
+ tp->current_ring_status |= AUTO_REMOVAL_ERROR;
+ break;
+
+ case LOBE_WIRE_FAULT:
+ printk(KERN_INFO "%s: Lobe Wire Fault\n", dev->name);
+ tp->current_ring_status |= LOBE_WIRE_FAULT;
+ break;
+
+ case TRANSMIT_BEACON:
+ printk(KERN_INFO "%s: Transmit Beacon\n", dev->name);
+ tp->current_ring_status |= TRANSMIT_BEACON;
+ break;
+
+ case SOFT_ERROR:
+ printk(KERN_INFO "%s: Soft Error\n", dev->name);
+ tp->current_ring_status |= SOFT_ERROR;
+ break;
+
+ case HARD_ERROR:
+ printk(KERN_INFO "%s: Hard Error\n", dev->name);
+ tp->current_ring_status |= HARD_ERROR;
+ break;
+
+ case SIGNAL_LOSS:
+ printk(KERN_INFO "%s: Singal Loss\n", dev->name);
+ tp->current_ring_status |= SIGNAL_LOSS;
+ break;
+
+ default:
+ printk(KERN_INFO "%s: Unknown ring status change\n",
+ dev->name);
+ break;
+ }
+
+ return (0);
+}
+
+/* Test for ROM signature within adapter RAM space. */
+static int smctr_rom_conflict_test(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i;
+
+ for(i = 0; i < (unsigned int)tp->ram_usable * 1024; i += 4096)
+ {
+ if(*(__u16 *)(tp->ram_access + i) == 0xaa55)
+ return (-1);
+ }
+
+ return (0);
+}
+
+static int smctr_rx_frame(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u16 queue, status, rx_size, err = 0;
+ __u8 *pbuff;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_rx_frame\n", dev->name);
+
+ cli();
+ queue = tp->receive_queue_number;
+
+ while((status = tp->rx_fcb_curr[queue]->frame_status) != SUCCESS)
+ {
+ err = HARDWARE_FAILED;
+
+ if(((status & 0x007f) == 0)
+ || ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0))
+ {
+ /* frame length less the CRC (4 bytes) + FS (1 byte) */
+ rx_size = tp->rx_fcb_curr[queue]->frame_length - 5;
+
+ pbuff = smctr_get_rx_pointer(dev, queue);
+
+ smctr_set_page(dev, pbuff);
+ smctr_disable_16bit(dev);
+
+ /* pbuff points to addr within one page */
+ pbuff = (__u8 *)PAGE_POINTER(pbuff);
+
+ if(queue == NON_MAC_QUEUE)
+ {
+ struct sk_buff *skb;
+
+ skb = dev_alloc_skb(rx_size);
+ skb_put(skb, rx_size);
+
+ memcpy(skb->data, pbuff, rx_size);
+ sti();
+
+ /* Update Counters */
+ tp->MacStat.rx_packets++;
+ tp->MacStat.rx_bytes += skb->len;
+
+ /* Kick the packet on up. */
+ skb->dev = dev;
+ skb->protocol = tr_type_trans(skb, dev);
+ netif_rx(skb);
+ }
+ else
+ smctr_process_rx_packet((MAC_HEADER *)pbuff,
+ rx_size, dev, status);
+ }
+
+ smctr_enable_16bit(dev);
+ smctr_set_page(dev, (__u8 *)tp->ram_access);
+ smctr_update_rx_chain(dev, queue);
+
+ if(err != SUCCESS)
+ break;
+ }
+
+ return (err);
+}
+
+static int smctr_send_dat(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int i, err;
+ MAC_HEADER *tmf;
+ FCBlock *fcb;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_send_dat\n", dev->name);
+
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE,
+ sizeof(MAC_HEADER))) == (FCBlock *)(-1L))
+ {
+ return (OUT_OF_RESOURCES);
+ }
+
+ /* Initialize DAT Data Fields. */
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->ac = MSB(AC_FC_DAT);
+ tmf->fc = LSB(AC_FC_DAT);
+
+ for(i = 0; i < 6; i++)
+ {
+ tmf->sa[i] = dev->dev_addr[i];
+ tmf->da[i] = dev->dev_addr[i];
+
+ }
+
+ tmf->vc = DAT;
+ tmf->dc_sc = DC_RS | SC_RS;
+ tmf->vl = 4;
+ tmf->vl = SWAP_BYTES(tmf->vl);
+
+ /* Start Transmit. */
+ if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE)))
+ return (err);
+
+ /* Wait for Transmit to Complete */
+ for(i = 0; i < 10000; i++)
+ {
+ if(fcb->frame_status & FCB_COMMAND_DONE)
+ break;
+ udelay(1000);
+ }
+
+ /* Check if GOOD frame Tx'ed. */
+ if(!(fcb->frame_status & FCB_COMMAND_DONE)
+ || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS))
+ {
+ return (INITIALIZE_FAILED);
+ }
+
+ /* De-allocated Tx FCB and Frame Buffer
+ * The FCB must be de-allocated manually if executing with
+ * interrupts disabled, other wise the ISR (LM_Service_Events)
+ * will de-allocate it when the interrupt occurs.
+ */
+ tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING;
+ smctr_update_tx_chain(dev, fcb, MAC_QUEUE);
+
+ return (0);
+}
+
+/*
+ * Gets skb from system, queues it and checks if it can be sent
+ */
+static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_send_packet\n", dev->name);
+
+ if(dev->tbusy)
+ {
+ /*
+ * If we get here, some higher level has decided we are broken.
+ * There should really be a "kick me" function call instead.
+ *
+ * Resetting the token ring adapter takes a long time so just
+ * fake transmission time and go on trying. Our own timeout
+ * routine is in sktr_timer_chk()
+ */
+ dev->tbusy = 0;
+ dev->trans_start = jiffies;
+ return (1);
+ }
+
+ /*
+ * If some higher layer thinks we've missed an tx-done interrupt we
+ * are passed NULL.
+ */
+ if(skb == NULL)
+ return (0);
+
+ /*
+ * Block a timer-based transmit from overlapping. This could better be
+ * done with atomic_swap(1, dev->tbusy), but set_bit() works as well.
+ */
+ if(test_and_set_bit(0, (void*)&dev->tbusy) != 0)
+ {
+ printk("%s: Transmitter access conflict.\n", dev->name);
+ return (1);
+ }
+
+ if(tp->QueueSkb == 0)
+ return (1); /* Return with tbusy set: queue full */
+
+ tp->QueueSkb--;
+ skb_queue_tail(&tp->SendSkbQueue, skb);
+ smctr_hardware_send_packet(dev, tp);
+ if(tp->QueueSkb > 0)
+ dev->tbusy = 0;
+
+ return (0);
+}
+
+static int smctr_send_lobe_media_test(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ MAC_SUB_VECTOR *tsv;
+ MAC_HEADER *tmf;
+ FCBlock *fcb;
+ __u32 i;
+ int err;
+
+ if(smctr_debug > 15)
+ printk("%s: smctr_send_lobe_media_test\n", dev->name);
+
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(struct trh_hdr)
+ + S_WRAP_DATA + S_WRAP_DATA)) == (FCBlock *)(-1L))
+ {
+ return (OUT_OF_RESOURCES);
+ }
+
+ /* Initialize DAT Data Fields. */
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->ac = MSB(AC_FC_LOBE_MEDIA_TEST);
+ tmf->fc = LSB(AC_FC_LOBE_MEDIA_TEST);
+
+ for(i = 0; i < 6; i++)
+ {
+ tmf->da[i] = 0;
+ tmf->sa[i] = dev->dev_addr[i];
+ }
+
+ tmf->vc = LOBE_MEDIA_TEST;
+ tmf->dc_sc = DC_RS | SC_RS;
+ tmf->vl = 4;
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER));
+ smctr_make_wrap_data(dev, tsv);
+ tmf->vl += tsv->svl;
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_wrap_data(dev, tsv);
+ tmf->vl += tsv->svl;
+
+ /* Start Transmit. */
+ tmf->vl = SWAP_BYTES(tmf->vl);
+ if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE)))
+ return (err);
+
+ /* Wait for Transmit to Complete. (10 ms). */
+ for(i=0; i < 10000; i++)
+ {
+ if(fcb->frame_status & FCB_COMMAND_DONE)
+ break;
+ udelay(1000);
+ }
+
+ /* Check if GOOD frame Tx'ed */
+ if(!(fcb->frame_status & FCB_COMMAND_DONE)
+ || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS))
+ {
+ return (LOBE_MEDIA_TEST_FAILED);
+ }
+
+ /* De-allocated Tx FCB and Frame Buffer
+ * The FCB must be de-allocated manually if executing with
+ * interrupts disabled, other wise the ISR (LM_Service_Events)
+ * will de-allocate it when the interrupt occurs.
+ */
+ tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING;
+ smctr_update_tx_chain(dev, fcb, MAC_QUEUE);
+
+ return (0);
+}
+
+static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 correlator)
+{
+ MAC_HEADER *tmf;
+ MAC_SUB_VECTOR *tsv;
+ FCBlock *fcb;
+
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER)
+ + S_CORRELATOR + S_PHYSICAL_DROP + S_UPSTREAM_NEIGHBOR_ADDRESS
+ + S_ADDRESS_MODIFER + S_GROUP_ADDRESS + S_FUNCTIONAL_ADDRESS))
+ == (FCBlock *)(-1L))
+ {
+ return (0);
+ }
+
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->vc = RPT_ADDR;
+ tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4;
+ tmf->vl = 4;
+
+ smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ADDR);
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER));
+ smctr_make_corr(dev, tsv, correlator);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_phy_drop_num(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_upstream_neighbor_addr(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_addr_mod(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_group_addr(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_funct_addr(dev, tsv);
+
+ tmf->vl += tsv->svl;
+
+ /* Subtract out MVID and MVL which is
+ * include in both vl and MAC_HEADER
+ */
+/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+ fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+*/
+ tmf->vl = SWAP_BYTES(tmf->vl);
+
+ return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE));
+}
+
+static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 correlator)
+{
+ MAC_HEADER *tmf;
+ MAC_SUB_VECTOR *tsv;
+ FCBlock *fcb;
+
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER)
+ + S_CORRELATOR + S_PRODUCT_INSTANCE_ID + S_FUNCTIONAL_ADDRESS
+ + S_AUTHORIZED_FUNCTION_CLASS + S_AUTHORIZED_ACCESS_PRIORITY))
+ == (FCBlock *)(-1L))
+ {
+ return (0);
+ }
+
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->vc = RPT_ATTCH;
+ tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4;
+ tmf->vl = 4;
+
+ smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ATTCH);
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER));
+ smctr_make_corr(dev, tsv, correlator);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_product_id(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_funct_addr(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_auth_funct_class(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_access_pri(dev, tsv);
+
+ tmf->vl += tsv->svl;
+
+ /* Subtract out MVID and MVL which is
+ * include in both vl and MAC_HEADER
+ */
+/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+ fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+*/
+ tmf->vl = SWAP_BYTES(tmf->vl);
+
+ return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE));
+}
+
+static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 correlator)
+{
+ MAC_HEADER *tmf;
+ MAC_SUB_VECTOR *tsv;
+ FCBlock *fcb;
+
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER)
+ + S_CORRELATOR + S_RING_STATION_VERSION_NUMBER
+ + S_RING_STATION_STATUS + S_STATION_IDENTIFER))
+ == (FCBlock *)(-1L))
+ {
+ return (0);
+ }
+
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->vc = RPT_STATE;
+ tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4;
+ tmf->vl = 4;
+
+ smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_STATE);
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER));
+ smctr_make_corr(dev, tsv, correlator);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_ring_station_version(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_ring_station_status(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_station_id(dev, tsv);
+
+ tmf->vl += tsv->svl;
+
+ /* Subtract out MVID and MVL which is
+ * include in both vl and MAC_HEADER
+ */
+/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+ fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+*/
+ tmf->vl = SWAP_BYTES(tmf->vl);
+
+ return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE));
+}
+
+static int smctr_send_rpt_tx_forward(struct net_device *dev,
+ MAC_HEADER *rmf, __u16 tx_fstatus)
+{
+ MAC_HEADER *tmf;
+ MAC_SUB_VECTOR *tsv;
+ FCBlock *fcb;
+
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER)
+ + S_TRANSMIT_STATUS_CODE)) == (FCBlock *)(-1L))
+ {
+ return (0);
+ }
+
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->vc = RPT_TX_FORWARD;
+ tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4;
+ tmf->vl = 4;
+
+ smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_TX_FORWARD);
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER));
+ smctr_make_tx_status_code(dev, tsv, tx_fstatus);
+
+ tmf->vl += tsv->svl;
+
+ /* Subtract out MVID and MVL which is
+ * include in both vl and MAC_HEADER
+ */
+/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+ fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+*/
+ tmf->vl = SWAP_BYTES(tmf->vl);
+
+ return(smctr_trc_send_packet(dev, fcb, MAC_QUEUE));
+}
+
+static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 rcode, __u16 correlator)
+{
+ MAC_HEADER *tmf;
+ MAC_SUB_VECTOR *tsv;
+ FCBlock *fcb;
+
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER)
+ + S_CORRELATOR + S_RESPONSE_CODE)) == (FCBlock *)(-1L))
+ {
+ return (0);
+ }
+
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->vc = RSP;
+ tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4;
+ tmf->vl = 4;
+
+ smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RSP);
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER));
+ smctr_make_corr(dev, tsv, correlator);
+
+ return (0);
+}
+
+static int smctr_send_rq_init(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ MAC_HEADER *tmf;
+ MAC_SUB_VECTOR *tsv;
+ FCBlock *fcb;
+ unsigned int i, count = 0;
+ __u16 fstatus;
+ int err;
+
+ do {
+ if(((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER)
+ + S_PRODUCT_INSTANCE_ID + S_UPSTREAM_NEIGHBOR_ADDRESS
+ + S_RING_STATION_VERSION_NUMBER + S_ADDRESS_MODIFER))
+ == (FCBlock *)(-1L)))
+ {
+ return (0);
+ }
+
+ tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr;
+ tmf->vc = RQ_INIT;
+ tmf->dc_sc = DC_RPS | SC_RS;
+ tmf->vl = 4;
+
+ smctr_make_8025_hdr(dev, 0L, tmf, AC_FC_RQ_INIT);
+
+ tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER));
+ smctr_make_product_id(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_upstream_neighbor_addr(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_ring_station_version(dev, tsv);
+
+ tmf->vl += tsv->svl;
+ tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl);
+ smctr_make_addr_mod(dev, tsv);
+
+ tmf->vl += tsv->svl;
+
+ /* Subtract out MVID and MVL which is
+ * include in both vl and MAC_HEADER
+ */
+/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+ fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4;
+*/
+ tmf->vl = SWAP_BYTES(tmf->vl);
+
+ if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE)))
+ return (err);
+
+ /* Wait for Transmit to Complete */
+ for(i = 0; i < 10000; i++)
+ {
+ if(fcb->frame_status & FCB_COMMAND_DONE)
+ break;
+ udelay(1000);
+ }
+
+ /* Check if GOOD frame Tx'ed */
+ fstatus = fcb->frame_status;
+
+ if(!(fstatus & FCB_COMMAND_DONE))
+ return (HARDWARE_FAILED);
+
+ if(!(fstatus & FCB_TX_STATUS_E))
+ count++;
+
+ /* De-allocated Tx FCB and Frame Buffer
+ * The FCB must be de-allocated manually if executing with
+ * interrupts disabled, other wise the ISR (LM_Service_Events)
+ * will de-allocate it when the interrupt occurs.
+ */
+ tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING;
+ smctr_update_tx_chain(dev, fcb, MAC_QUEUE);
+ } while(count < 4 && ((fstatus & FCB_TX_AC_BITS) ^ FCB_TX_AC_BITS));
+
+ return (smctr_join_complete_state(dev));
+}
+
+static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf,
+ __u16 *tx_fstatus)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ FCBlock *fcb;
+ unsigned int i;
+ int err;
+
+ /* Check if this is the END POINT of the Transmit Forward Chain. */
+ if(rmf->vl <= 18)
+ return (0);
+
+ /* Allocate Transmit FCB only by requesting 0 bytes
+ * of data buffer.
+ */
+ if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 0)) == (FCBlock *)(-1L))
+ return (0);
+
+ /* Set pointer to Transmit Frame Buffer to the data
+ * portion of the received TX Forward frame, making
+ * sure to skip over the Vector Code (vc) and Vector
+ * length (vl).
+ */
+ fcb->bdb_ptr->trc_data_block_ptr = TRC_POINTER((__u32)rmf
+ + sizeof(MAC_HEADER) + 2);
+ fcb->bdb_ptr->data_block_ptr = (__u16 *)((__u32)rmf
+ + sizeof(MAC_HEADER) + 2);
+
+ fcb->frame_length = rmf->vl - 4 - 2;
+ fcb->bdb_ptr->buffer_length = rmf->vl - 4 - 2;
+
+ if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE)))
+ return (err);
+
+ /* Wait for Transmit to Complete */
+ for(i = 0; i < 10000; i++)
+ {
+ if(fcb->frame_status & FCB_COMMAND_DONE)
+ break;
+ udelay(1000);
+ }
+
+ /* Check if GOOD frame Tx'ed */
+ if(!(fcb->frame_status & FCB_COMMAND_DONE))
+ {
+ if((err = smctr_issue_resume_tx_fcb_cmd(dev, MAC_QUEUE)))
+ return (err);
+
+ for(i = 0; i < 10000; i++)
+ {
+ if(fcb->frame_status & FCB_COMMAND_DONE)
+ break;
+ udelay(1000);
+ }
+
+ if(!(fcb->frame_status & FCB_COMMAND_DONE))
+ return (HARDWARE_FAILED);
+ }
+
+ *tx_fstatus = fcb->frame_status;
+
+ return (A_FRAME_WAS_FORWARDED);
+}
+
+static int smctr_set_auth_access_pri(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(rsv->svl != S_AUTHORIZED_ACCESS_PRIORITY)
+ return (E_SUB_VECTOR_LENGTH_ERROR);
+
+ tp->authorized_access_priority = (rsv->svv[0] << 8 | rsv->svv[1]);
+
+ return (POSITIVE_ACK);
+}
+
+static int smctr_set_auth_funct_class(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(rsv->svl != S_AUTHORIZED_FUNCTION_CLASS)
+ return (E_SUB_VECTOR_LENGTH_ERROR);
+
+ tp->authorized_function_classes = (rsv->svv[0] << 8 | rsv->svv[1]);
+
+ return (POSITIVE_ACK);
+}
+
+static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv,
+ __u16 *correlator)
+{
+ if(rsv->svl != S_CORRELATOR)
+ return (E_SUB_VECTOR_LENGTH_ERROR);
+
+ *correlator = (rsv->svv[0] << 8 | rsv->svv[1]);
+
+ return (POSITIVE_ACK);
+}
+
+static int smctr_set_error_timer_value(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv)
+{
+ __u16 err_tval;
+ int err;
+
+ if(rsv->svl != S_ERROR_TIMER_VALUE)
+ return (E_SUB_VECTOR_LENGTH_ERROR);
+
+ err_tval = (rsv->svv[0] << 8 | rsv->svv[1])*10;
+
+ smctr_issue_write_word_cmd(dev, RW_TER_THRESHOLD, &err_tval);
+
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ return (POSITIVE_ACK);
+}
+
+static int smctr_set_frame_forward(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv, __u8 dc_sc)
+{
+ if((rsv->svl < 2) || (rsv->svl > S_FRAME_FORWARD))
+ return (E_SUB_VECTOR_LENGTH_ERROR);
+
+ if((dc_sc & DC_MASK) != DC_CRS)
+ {
+ if(rsv->svl >= 2 && rsv->svl < 20)
+ return (E_TRANSMIT_FORWARD_INVALID);
+
+ if((rsv->svv[0] != 0) || (rsv->svv[1] != 0))
+ return (E_TRANSMIT_FORWARD_INVALID);
+ }
+
+ return (POSITIVE_ACK);
+}
+
+static int smctr_set_local_ring_num(struct net_device *dev,
+ MAC_SUB_VECTOR *rsv)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(rsv->svl != S_LOCAL_RING_NUMBER)
+ return (E_SUB_VECTOR_LENGTH_ERROR);
+
+ if(tp->ptr_local_ring_num)
+ *(__u16 *)(tp->ptr_local_ring_num)
+ = (rsv->svv[0] << 8 | rsv->svv[1]);
+
+ return (POSITIVE_ACK);
+}
+
+static unsigned short smctr_set_ctrl_attention(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int ioaddr = dev->base_addr;
+
+ if(tp->bic_type == BIC_585_CHIP)
+ outb((tp->trc_mask | HWR_CA), ioaddr + HWR);
+ else
+ {
+ outb((tp->trc_mask | CSR_CA), ioaddr + CSR);
+ outb(tp->trc_mask, ioaddr + CSR);
+ }
+
+ return (0);
+}
+
+static void smctr_set_multicast_list(struct net_device *dev)
+{
+ if(smctr_debug > 10)
+ printk("%s: smctr_set_multicast_list\n", dev->name);
+
+ return;
+}
+
+static int smctr_set_page(struct net_device *dev, __u8 *buf)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u8 amask;
+ __u32 tptr;
+
+ tptr = (__u32)buf - (__u32)tp->ram_access;
+ amask = (__u8)((tptr & PR_PAGE_MASK) >> 8);
+ outb(amask, dev->base_addr + PR);
+
+ return (0);
+}
+
+static int smctr_set_phy_drop(struct net_device *dev, MAC_SUB_VECTOR *rsv)
+{
+ int err;
+
+ if(rsv->svl != S_PHYSICAL_DROP)
+ return (E_SUB_VECTOR_LENGTH_ERROR);
+
+ smctr_issue_write_byte_cmd(dev, RW_PHYSICAL_DROP_NUMBER, &rsv->svv[0]);
+ if((err = smctr_wait_cmd(dev)))
+ return (err);
+
+ return (POSITIVE_ACK);
+}
+
+/* Reset the ring speed to the oposite of what it was. This auto-pilot
+ * mode requires a complete reset and re-init of the adapter.
+ */
+static int smctr_set_ring_speed(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err;
+
+ if(tp->media_type == MEDIA_UTP_16)
+ tp->media_type = MEDIA_UTP_4;
+ else
+ tp->media_type = MEDIA_UTP_16;
+
+ smctr_enable_16bit(dev);
+
+ /* Re-Initialize adapter's internal registers */
+ smctr_reset_adapter(dev);
+
+ if((err = smctr_init_card_real(dev)))
+ return (err);
+
+ smctr_enable_bic_int(dev);
+
+ if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK)))
+ return (err);
+
+ smctr_disable_16bit(dev);
+
+ return (0);
+}
+
+static int smctr_set_rx_look_ahead(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u16 sword, rword;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_set_rx_look_ahead_flag\n", dev->name);
+
+ tp->adapter_flags &= ~(FORCED_16BIT_MODE);
+ tp->adapter_flags |= RX_VALID_LOOKAHEAD;
+
+ if(tp->adapter_bus == BUS_ISA16_TYPE)
+ {
+ sword = *((__u16 *)(tp->ram_access));
+ *((__u16 *)(tp->ram_access)) = 0x1234;
+
+ smctr_disable_16bit(dev);
+ rword = *((__u16 *)(tp->ram_access));
+ smctr_enable_16bit(dev);
+
+ if(rword != 0x1234)
+ tp->adapter_flags |= FORCED_16BIT_MODE;
+
+ *((__u16 *)(tp->ram_access)) = sword;
+ }
+
+ return (0);
+}
+
+static int smctr_set_trc_reset(int ioaddr)
+{
+ __u8 r;
+
+ r = inb(ioaddr + MSR);
+ outb(MSR_RST | r, ioaddr + MSR);
+
+ return (0);
+}
+
+/*
+ * This function can be called if the adapter is busy or not.
+ */
+static int smctr_setup_single_cmd(struct net_device *dev,
+ __u16 command, __u16 subcommand)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int err;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_setup_single_cmd\n", dev->name);
+
+ if((err = smctr_wait_while_cbusy(dev)))
+ return (err);
+
+ if((err = (unsigned int)smctr_wait_cmd(dev)))
+ return (err);
+
+ tp->acb_head->cmd_done_status = 0;
+ tp->acb_head->cmd = command;
+ tp->acb_head->subcmd = subcommand;
+
+ err = smctr_issue_resume_acb_cmd(dev);
+
+ return (err);
+}
+
+/*
+ * This function can not be called with the adapter busy.
+ */
+static int smctr_setup_single_cmd_w_data(struct net_device *dev,
+ __u16 command, __u16 subcommand)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ tp->acb_head->cmd_done_status = 0;
+ tp->acb_head->cmd = command;
+ tp->acb_head->subcmd = subcommand;
+ tp->acb_head->data_offset_lo
+ = (__u16)TRC_POINTER(tp->misc_command_data);
+
+ return(smctr_issue_resume_acb_cmd(dev));
+}
+
+static char *smctr_malloc(struct net_device *dev, __u16 size)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ char *m;
+
+ m = (char *)(tp->ram_access + tp->sh_mem_used);
+ tp->sh_mem_used += (__u32)size;
+
+ return (m);
+}
+
+static int smctr_status_chg(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_status_chg\n", dev->name);
+
+ switch(tp->status)
+ {
+ case OPEN:
+ break;
+
+ case CLOSED:
+ break;
+
+ /* Interrupt driven open() completion. XXX */
+ case INITIALIZED:
+ tp->group_address_0 = 0;
+ tp->group_address[0] = 0;
+ tp->group_address[1] = 0;
+ tp->functional_address_0 = 0;
+ tp->functional_address[0] = 0;
+ tp->functional_address[1] = 0;
+ smctr_open_tr(dev);
+ break;
+
+ default:
+ printk(KERN_INFO "%s: status change unknown %x\n",
+ dev->name, tp->status);
+ break;
+ }
+
+ return (0);
+}
+
+static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb,
+ __u16 queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ int err = 0;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_trc_send_packet\n", dev->name);
+
+ fcb->info = FCB_CHAIN_END | FCB_ENABLE_TFS;
+ if(tp->num_tx_fcbs[queue] != 1)
+ fcb->back_ptr->info = FCB_INTERRUPT_ENABLE | FCB_ENABLE_TFS;
+
+ if(tp->tx_queue_status[queue] == NOT_TRANSMITING)
+ {
+ tp->tx_queue_status[queue] = TRANSMITING;
+ err = smctr_issue_resume_tx_fcb_cmd(dev, queue);
+ }
+
+ return (err);
+}
+
+static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ __u16 status, err = 0;
+ int cstatus;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_tx_complete\n", dev->name);
+
+ while((status = tp->tx_fcb_end[queue]->frame_status) != SUCCESS)
+ {
+ if(status & 0x7e00 )
+ {
+ err = HARDWARE_FAILED;
+ break;
+ }
+
+ if((err = smctr_update_tx_chain(dev, tp->tx_fcb_end[queue],
+ queue)) != SUCCESS)
+ break;
+
+ smctr_disable_16bit(dev);
+
+ if(tp->mode_bits & UMAC)
+ {
+ if(!(status & (FCB_TX_STATUS_AR1 | FCB_TX_STATUS_AR2)))
+ cstatus = NO_SUCH_DESTINATION;
+ else
+ {
+ if(!(status & (FCB_TX_STATUS_CR1 | FCB_TX_STATUS_CR2)))
+ cstatus = DEST_OUT_OF_RESOURCES;
+ else
+ {
+ if(status & FCB_TX_STATUS_E)
+ cstatus = MAX_COLLISIONS;
+ else
+ cstatus = SUCCESS;
+ }
+ }
+ }
+ else
+ cstatus = SUCCESS;
+
+ if(queue == BUG_QUEUE)
+ err = SUCCESS;
+
+ smctr_enable_16bit(dev);
+ if(err != SUCCESS)
+ break;
+ }
+
+ return (err);
+}
+
+static unsigned short smctr_tx_move_frame(struct net_device *dev,
+ struct sk_buff *skb, __u8 *pbuff, unsigned int bytes)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int ram_usable;
+ __u32 flen, len, offset = 0;
+ __u8 *frag, *page;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_tx_move_frame\n", dev->name);
+
+ ram_usable = ((unsigned int)tp->ram_usable) << 10;
+ frag = skb->data;
+ flen = skb->len;
+
+ while(flen > 0 && bytes > 0)
+ {
+ smctr_set_page(dev, pbuff);
+
+ offset = SMC_PAGE_OFFSET(pbuff);
+
+ if(offset + flen > ram_usable)
+ len = ram_usable - offset;
+ else
+ len = flen;
+
+ if(len > bytes)
+ len = bytes;
+
+ page = (char *) (offset + tp->ram_access);
+ memcpy(page, frag, len);
+
+ flen -=len;
+ bytes -= len;
+ frag += len;
+ pbuff += len;
+ }
+
+ return (0);
+}
+
+/* Update the error statistic counters for this adapter. */
+static int smctr_update_err_stats(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ struct tr_statistics *tstat = &tp->MacStat;
+
+ if(tstat->internal_errors)
+ tstat->internal_errors
+ += *(tp->misc_command_data + 0) & 0x00ff;
+
+ if(tstat->line_errors)
+ tstat->line_errors += *(tp->misc_command_data + 0) >> 8;
+
+ if(tstat->A_C_errors)
+ tstat->A_C_errors += *(tp->misc_command_data + 1) & 0x00ff;
+
+ if(tstat->burst_errors)
+ tstat->burst_errors += *(tp->misc_command_data + 1) >> 8;
+
+ if(tstat->abort_delimiters)
+ tstat->abort_delimiters += *(tp->misc_command_data + 2) >> 8;
+
+ if(tstat->recv_congest_count)
+ tstat->recv_congest_count
+ += *(tp->misc_command_data + 3) & 0x00ff;
+
+ if(tstat->lost_frames)
+ tstat->lost_frames
+ += *(tp->misc_command_data + 3) >> 8;
+
+ if(tstat->frequency_errors)
+ tstat->frequency_errors += *(tp->misc_command_data + 4) & 0x00ff;
+
+ if(tstat->frame_copied_errors)
+ tstat->frame_copied_errors
+ += *(tp->misc_command_data + 4) >> 8;
+
+ if(tstat->token_errors)
+ tstat->token_errors += *(tp->misc_command_data + 5) >> 8;
+
+ return (0);
+}
+
+static int smctr_update_rx_chain(struct net_device *dev, __u16 queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ FCBlock *fcb;
+ BDBlock *bdb;
+ __u16 size, len;
+
+ fcb = tp->rx_fcb_curr[queue];
+ len = fcb->frame_length;
+
+ fcb->frame_status = 0;
+ fcb->info = FCB_CHAIN_END;
+ fcb->back_ptr->info = FCB_WARNING;
+
+ tp->rx_fcb_curr[queue] = tp->rx_fcb_curr[queue]->next_ptr;
+
+ /* update RX BDBs */
+ size = (len >> RX_BDB_SIZE_SHIFT);
+ if(len & RX_DATA_BUFFER_SIZE_MASK)
+ size += sizeof(BDBlock);
+ size &= (~RX_BDB_SIZE_MASK);
+
+ /* check if wrap around */
+ bdb = (BDBlock *)((__u32)(tp->rx_bdb_curr[queue]) + (__u32)(size));
+ if((__u32)bdb >= (__u32)tp->rx_bdb_end[queue])
+ {
+ bdb = (BDBlock *)((__u32)(tp->rx_bdb_head[queue])
+ + (__u32)(bdb) - (__u32)(tp->rx_bdb_end[queue]));
+ }
+
+ bdb->back_ptr->info = BDB_CHAIN_END;
+ tp->rx_bdb_curr[queue]->back_ptr->info = BDB_NOT_CHAIN_END;
+ tp->rx_bdb_curr[queue] = bdb;
+
+ return (0);
+}
+
+static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb,
+ __u16 queue)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+
+ if(smctr_debug > 20)
+ printk("smctr_update_tx_chain\n");
+
+ if(tp->num_tx_fcbs_used[queue] <= 0)
+ return (HARDWARE_FAILED);
+ else
+ {
+ if(tp->tx_buff_used[queue] < fcb->memory_alloc)
+ {
+ tp->tx_buff_used[queue] = 0;
+ return (HARDWARE_FAILED);
+ }
+
+ tp->tx_buff_used[queue] -= fcb->memory_alloc;
+
+ /* if all transmit buffer are cleared
+ * need to set the tx_buff_curr[] to tx_buff_head[]
+ * otherwise, tx buffer will be segregate and cannot
+ * accomodate and buffer greater than (curr - head) and
+ * (end - curr) since we do not allow wrap around allocation.
+ */
+ if(tp->tx_buff_used[queue] == 0)
+ tp->tx_buff_curr[queue] = tp->tx_buff_head[queue];
+
+ tp->num_tx_fcbs_used[queue]--;
+ fcb->frame_status = 0;
+ tp->tx_fcb_end[queue] = fcb->next_ptr;
+
+ return (0);
+ }
+}
+
+static int smctr_wait_cmd(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int loop_count = 0x20000;
+
+ if(smctr_debug > 10)
+ printk("%s: smctr_wait_cmd\n", dev->name);
+
+ while(loop_count)
+ {
+ if(tp->acb_head->cmd_done_status & ACB_COMMAND_DONE)
+ break;
+ loop_count--;
+ }
+
+ if(loop_count == 0)
+ return(-1);
+
+ if(tp->acb_head->cmd_done_status & 0xff)
+ return(-1);
+
+ return (0);
+}
+
+static int smctr_wait_while_cbusy(struct net_device *dev)
+{
+ struct net_local *tp = (struct net_local *)dev->priv;
+ unsigned int timeout = 0x20000;
+ int ioaddr = dev->base_addr;
+ __u8 r;
+
+ if(tp->bic_type == BIC_585_CHIP)
+ {
+ while(timeout)
+ {
+ r = inb(ioaddr + HWR);
+ if((r & HWR_CBUSY) == 0)
+ break;
+ timeout--;
+ }
+ }
+ else
+ {
+ while(timeout)
+ {
+ r = inb(ioaddr + CSR);
+ if((r & CSR_CBUSY) == 0)
+ break;
+ timeout--;
+ }
+ }
+
+ if(timeout)
+ return (0);
+ else
+ return (-1);
+}
+
+#ifdef MODULE
+
+static struct net_device* dev_smctr[SMCTR_MAX_ADAPTERS];
+static int io[SMCTR_MAX_ADAPTERS] = { 0, 0 };
+static int irq[SMCTR_MAX_ADAPTERS] = { 0, 0 };
+static int mem[SMCTR_MAX_ADAPTERS] = { 0, 0 };
+
+MODULE_PARM(io, "1-" __MODULE_STRING(SMCTR_MAX_ADAPTERS) "i");
+MODULE_PARM(irq, "1-" __MODULE_STRING(SMCTR_MAX_ADAPTERS) "i");
+MODULE_PARM(mem, "1-" __MODULE_STRING(SMCTR_MAX_ADAPTERS) "i");
+MODULE_PARM(ringspeed, "1-" __MODULE_STRING(SMCTR_MAX_ADAPTERS) "i");
+
+int init_module(void)
+{
+ int i;
+
+ for(i = 0; i < SMCTR_MAX_ADAPTERS; i++)
+ {
+ irq[i] = 0;
+ mem[i] = 0;
+ dev_smctr[i] = NULL;
+ dev_smctr[i] = init_trdev(dev_smctr[i], 0);
+ if(dev_smctr[i] == NULL)
+ return (-ENOMEM);
+
+ dev_smctr[i]->base_addr = io[i];
+ dev_smctr[i]->irq = irq[i];
+ dev_smctr[i]->mem_start = mem[i];
+ dev_smctr[i]->init = &smctr_probe;
+
+ if(register_trdev(dev_smctr[i]) != 0)
+ {
+ kfree_s(dev_smctr[i], sizeof(struct net_device));
+ dev_smctr[i] = NULL;
+ if(i == 0)
+ {
+ printk("%s: register_trdev() returned (<0).\n",
+ cardname);
+ return (-EIO);
+ }
+ else
+ return (0);
+ }
+ }
+
+ return (0);
+}
+
+void cleanup_module(void)
+{
+ int i;
+
+ for(i = 0; i < SMCTR_MAX_ADAPTERS; i++)
+ {
+ if(dev_smctr[i])
+ {
+ unregister_trdev(dev_smctr[i]);
+ release_region(dev_smctr[i]->base_addr,
+ SMCTR_IO_EXTENT);
+ if(dev_smctr[i]->irq)
+ free_irq(dev_smctr[i]->irq, dev_smctr[i]);
+ if(dev_smctr[i]->priv)
+ kfree_s(dev_smctr[i]->priv,
+ sizeof(struct net_local));
+ kfree_s(dev_smctr[i], sizeof(struct net_device));
+ dev_smctr[i] = NULL;
+ }
+ }
+}
+#endif /* MODULE */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)