/******************************************************************************* Copyright(c) 1999 - 2003 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. The full GNU General Public License is included in this distribution in the file called LICENSE. Contact Information: Linux NICS Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ /********************************************************************** * * * INTEL CORPORATION * * * * This software is supplied under the terms of the license included * * above. All use of this driver must be in accordance with the terms * * of that license. * * * * Module Name: e100_config.c * * * * Abstract: Functions for configuring the network adapter. * * * * Environment: This file is intended to be specific to the Linux * * operating system. * * * **********************************************************************/ #include "e100_config.h" static void e100_config_long_rx(struct e100_private *bdp, unsigned char enable); static const u8 def_config[] = { CB_CFIG_BYTE_COUNT, 0x08, 0x00, 0x00, 0x00, 0x00, 0x32, 0x07, 0x01, 0x00, 0x2e, 0x00, 0x60, 0x00, 0xf2, 0xc8, 0x00, 0x40, 0xf2, 0x80, 0x3f, 0x05 }; /** * e100_config_init_82557 - config the 82557 adapter * @bdp: atapter's private data struct * * This routine will initialize the 82557 configure block. * All other init functions will only set values that are * different from the 82557 default. */ static void __devinit e100_config_init_82557(struct e100_private *bdp) { /* initialize config block */ memcpy(bdp->config, def_config, sizeof (def_config)); bdp->config[0] = CB_CFIG_BYTE_COUNT; /* just in case */ e100_config_ifs(bdp); /* * Enable extended statistical counters (82558 and up) and TCO counters * (82559 and up) and set the statistical counters' mode in bdp * * stat. mode | TCO stat. bit (2) | Extended stat. bit (5) * ------------------------------------------------------------------ * Basic (557) | 0 | 1 * -----

def request(ctx, f):
    f = ctx.duplicate_flow(f)
    ctx.replay_request(f)

capable of flow control, Received PAUSE */ /* frames are still honored, i.e., */ /* transmitted frames would be paused by */ /* incoming PAUSE frames */ bdp->config[16] = DFLT_NO_FC_DELAY_LSB; bdp->config[17] = DFLT_NO_FC_DELAY_MSB; bdp->config[19] &= ~(CB_CFIG_FC_RESTOP | CB_CFIG_FC_RESTART); bdp->config[19] |= CB_CFIG_FC_REJECT; bdp->config[19] &= ~CB_CFIG_TX_FC_DIS; } else { bdp->config[16] = DFLT_FC_DELAY_LSB; bdp->config[17] = DFLT_FC_DELAY_MSB; bdp->config[19] |= CB_CFIG_FC_OPTS; bdp->config[19] &= ~CB_CFIG_TX_FC_DIS; } } else { bdp->config[16] = DFLT_NO_FC_DELAY_LSB; bdp->config[17] = DFLT_NO_FC_DELAY_MSB; bdp->config[19] &= ~CB_CFIG_FC_OPTS; bdp->config[19] |= CB_CFIG_TX_FC_DIS; } E100_CONFIG(bdp, 19); spin_unlock_bh(&(bdp->config_lock)); return; } /** * e100_config_promisc - configure promiscuous mode * @bdp: atapter's private data struct * @enable: should we enable this option or not * * This routine will enable or disable promiscuous mode * in the adapter's config block. */ void e100_config_promisc(struct e100_private *bdp, unsigned char enable) { spin_lock_bh(&(bdp->config_lock)); /* if in promiscuous mode, save bad frames */ if (enable) { if (!(bdp->config[6] & CB_CFIG_SAVE_BAD_FRAMES)) { bdp->config[6] |= CB_CFIG_SAVE_BAD_FRAMES; E100_CONFIG(bdp, 6); } if (bdp->config[7] & (u8) BIT_0) { bdp->config[7] &= (u8) (~BIT_0); E100_CONFIG(bdp, 7); } if (!(bdp->config[15] & CB_CFIG_PROMISCUOUS)) { bdp->config[15] |= CB_CFIG_PROMISCUOUS; E100_CONFIG(bdp, 15); } } else { /* not in promiscuous mode */ if (bdp->config[6] & CB_CFIG_SAVE_BAD_FRAMES) { bdp->config[6] &= ~CB_CFIG_SAVE_BAD_FRAMES; E100_CONFIG(bdp, 6); } if (!(bdp->config[7] & (u8) BIT_0)) { bdp->config[7] |= (u8) (BIT_0); E100_CONFIG(bdp, 7); } if (bdp->config[15] & CB_CFIG_PROMISCUOUS) { bdp->config[15] &= ~CB_CFIG_PROMISCUOUS; E100_CONFIG(bdp, 15); } } spin_unlock_bh(&(bdp->config_lock)); } /** * e100_config_mulcast_enbl - configure allmulti mode * @bdp: atapter's private data struct * @enable: should we enable this option or not * * This routine will enable or disable reception of all multicast packets * in the adapter's config block. */ void e100_config_mulcast_enbl(struct e100_private *bdp, unsigned char enable) { spin_lock_bh(&(bdp->config_lock)); /* this flag is used to enable receiving all multicast packet */ if (enable) { if (!(bdp->config[21] & CB_CFIG_MULTICAST_ALL)) { bdp->config[21] |= CB_CFIG_MULTICAST_ALL; E100_CONFIG(bdp, 21); } } else { if (bdp->config[21] & CB_CFIG_MULTICAST_ALL) { bdp->config[21] &= ~CB_CFIG_MULTICAST_ALL; E100_CONFIG(bdp, 21); } } spin_unlock_bh(&(bdp->config_lock)); } /** * e100_config_ifs - configure the IFS parameter * @bdp: atapter's private data struct * * This routine will configure the adaptive IFS value * in the adapter's config block. IFS values are only * relevant in half duplex, so set to 0 in full duplex. */ void e100_config_ifs(struct e100_private *bdp) { u8 value = 0; spin_lock_bh(&(bdp->config_lock)); /* IFS value is only needed to be specified at half-duplex mode */ if (bdp->cur_dplx_mode == HALF_DUPLEX) { value = (u8) bdp->ifs_value; } if (bdp->config[2] != value) { bdp->config[2] = value; E100_CONFIG(bdp, 2); } spin_unlock_bh(&(bdp->config_lock)); } /** * e100_config_force_dplx - configure the forced full duplex mode * @bdp: atapter's private data struct * * This routine will enable or disable force full duplex * in the adapter's config block. If the PHY is 503, and * the duplex is full, consider the adapter forced. */ void e100_config_force_dplx(struct e100_private *bdp) { spin_lock_bh(&(bdp->config_lock)); /* We must force full duplex on if we are using PHY 0, and we are */ /* supposed to run in FDX mode. We do this because the e100 has only */ /* one FDX# input pin, and that pin will be connected to PHY 1. */ /* Changed the 'if' condition below to fix performance problem * at 10 * full. The Phy was getting forced to full duplex while the MAC * was * not, because the cur_dplx_mode was not being set to 2 by SetupPhy. * * This is how the condition was, initially. * This has been changed so * that the MAC gets forced to full duplex * simply if the user has * forced full duplex. * * if (( bdp->phy_addr == 0 ) && ( * bdp->cur_dplx_mode == 2 )) */ /* The rest of the fix is in the PhyDetect code. */ if ((bdp->params.e100_speed_duplex == E100_SPEED_10_FULL) || (bdp->params.e100_speed_duplex == E100_SPEED_100_FULL) || ((bdp->phy_addr == 32) && (bdp->cur_dplx_mode == FULL_DUPLEX))) { if (!(bdp->config[19] & (u8) CB_CFIG_FORCE_FDX)) { bdp->config[19] |= (u8) CB_CFIG_FORCE_FDX; E100_CONFIG(bdp, 19); } } else { if (bdp->config[19] & (u8) CB_CFIG_FORCE_FDX) { bdp->config[19] &= (u8) (~CB_CFIG_FORCE_FDX); E100_CONFIG(bdp, 19); } } spin_unlock_bh(&(bdp->config_lock)); } /** * e100_config_long_rx * @bdp: atapter's private data struct * @enable: should we enable this option or not * * This routine will enable or disable reception of larger packets. * This is needed by VLAN implementations. */ static void e100_config_long_rx(struct e100_private *bdp, unsigned char enable) { if (enable) { if (!(bdp->config[18] & CB_CFIG_LONG_RX_OK)) { bdp->config[18] |= CB_CFIG_LONG_RX_OK; E100_CONFIG(bdp, 18); } } else { if ((bdp->config[18] & CB_CFIG_LONG_RX_OK)) { bdp->config[18] &= ~CB_CFIG_LONG_RX_OK; E100_CONFIG(bdp, 18); } } } /** * e100_config_wol * @bdp: atapter's private data struct * * This sets configuration options for PHY and Magic Packet WoL */ void e100_config_wol(struct e100_private *bdp) { spin_lock_bh(&(bdp->config_lock)); if (bdp->wolopts & WAKE_PHY) { bdp->config[9] |= CB_LINK_STATUS_WOL; } else { /* Disable PHY WoL */ bdp->config[9] &= ~CB_LINK_STATUS_WOL; } if (bdp->wolopts & WAKE_MAGIC) { bdp->config[19] &= ~CB_DISABLE_MAGPAK_WAKE; } else { /* Disable Magic Packet WoL */ bdp->config[19] |= CB_DISABLE_MAGPAK_WAKE; } E100_CONFIG(bdp, 19); spin_unlock_bh(&(bdp->config_lock)); } void e100_config_vlan_drop(struct e100_private *bdp, unsigned char enable) { spin_lock_bh(&(bdp->config_lock)); if (enable) { if (!(bdp->config[22] & CB_CFIG_VLAN_DROP_ENABLE)) { bdp->config[22] |= CB_CFIG_VLAN_DROP_ENABLE; E100_CONFIG(bdp, 22); } } else { if ((bdp->config[22] & CB_CFIG_VLAN_DROP_ENABLE)) { bdp->config[22] &= ~CB_CFIG_VLAN_DROP_ENABLE; E100_CONFIG(bdp, 22); } } spin_unlock_bh(&(bdp->config_lock)); } /** * e100_config_loopback_mode * @bdp: atapter's private data struct * @mode: loopback mode(phy/mac/none) * */ unsigned char e100_config_loopback_mode(struct e100_private *bdp, u8 mode) { unsigned char bc_changed = false; u8 config_byte; spin_lock_bh(&(bdp->config_lock)); switch (mode) { case NO_LOOPBACK: config_byte = CB_CFIG_LOOPBACK_NORMAL; break; case MAC_LOOPBACK: config_byte = CB_CFIG_LOOPBACK_INTERNAL; break; case PHY_LOOPBACK: config_byte = CB_CFIG_LOOPBACK_EXTERNAL; break; default: printk(KERN_NOTICE "e100: e100_config_loopback_mode: " "Invalid argument 'mode': %d\n", mode); goto exit; } if ((bdp->config[10] & CB_CFIG_LOOPBACK_MODE) != config_byte) { bdp->config[10] &= (~CB_CFIG_LOOPBACK_MODE); bdp->config[10] |= config_byte; E100_CONFIG(bdp, 10); bc_changed = true; } exit: spin_unlock_bh(&(bdp->config_lock)); return bc_changed; } unsigned char e100_config_tcb_ext_enable(struct e100_private *bdp, unsigned char enable) { unsigned char bc_changed = false; spin_lock_bh(&(bdp->config_lock)); if (enable) { if (bdp->config[6] & CB_CFIG_EXT_TCB_DIS) { bdp->config[6] &= (~CB_CFIG_EXT_TCB_DIS); E100_CONFIG(bdp, 6); bc_changed = true; } } else { if (!(bdp->config[6] & CB_CFIG_EXT_TCB_DIS)) { bdp->config[6] |= CB_CFIG_EXT_TCB_DIS; E100_CONFIG(bdp, 6); bc_changed = true; } } spin_unlock_bh(&(bdp->config_lock)); return bc_changed; } unsigned char e100_config_dynamic_tbd(struct e100_private *bdp, unsigned char enable) { unsigned char bc_changed = false; spin_lock_bh(&(bdp->config_lock)); if (enable) { if (!(bdp->config[7] & CB_CFIG_DYNTBD_EN)) { bdp->config[7] |= CB_CFIG_DYNTBD_EN; E100_CONFIG(bdp, 7); bc_changed = true; } } else { if (bdp->config[7] & CB_CFIG_DYNTBD_EN) { bdp->config[7] &= (~CB_CFIG_DYNTBD_EN); E100_CONFIG(bdp, 7); bc_changed = true; } } spin_unlock_bh(&(bdp->config_lock)); return bc_changed; }