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Code Issues Releases Activity

The new method of reading the mac address from the

Browse Source 
RAR(0) register does not work on this old adapter,
provide a local routine that does it the older way.

Approved by:  re
This commit is contained in:
Jack F Vogel 2009-07-06 17:23:48 +00:00
parent dcf1c8c8d8
commit 38537cb9d3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=195409
1 changed files with 36 additions and 1 deletions
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37
sys/dev/e1000/e1000_82542.c
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@ -1,6 +1,6 @@
/******************************************************************************
Copyright (c) 2001-2008, Intel Corporation
Copyright (c) 2001-2009, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
@ -49,6 +49,8 @@ static s32 e1000_led_on_82542(struct e1000_hw *hw);
static s32 e1000_led_off_82542(struct e1000_hw *hw);
static void e1000_rar_set_82542(struct e1000_hw *hw, u8 *addr, u32 index);
static void e1000_clear_hw_cntrs_82542(struct e1000_hw *hw);
static s32 e1000_read_mac_addr_82542(struct e1000_hw *hw);
/**
* e1000_init_phy_params_82542 - Init PHY func ptrs.
@ -134,6 +136,8 @@ static s32 e1000_init_mac_params_82542(struct e1000_hw *hw)
mac->ops.clear_vfta = e1000_clear_vfta_generic;
/* setting MTA */
mac->ops.mta_set = e1000_mta_set_generic;
/* read mac address */
mac->ops.read_mac_addr = e1000_read_mac_addr_82542;
/* set RAR */
mac->ops.rar_set = e1000_rar_set_82542;
/* turn on/off LED */
@ -554,3 +558,34 @@ static void e1000_clear_hw_cntrs_82542(struct e1000_hw *hw)
E1000_READ_REG(hw, E1000_PTC1023);
E1000_READ_REG(hw, E1000_PTC1522);
}
/**
* e1000_read_mac_addr_82542 - Read device MAC address
* @hw: pointer to the HW structure
*
* Reads the device MAC address from the EEPROM and stores the value.
**/
static s32 e1000_read_mac_addr_82542(struct e1000_hw *hw)
{
s32 ret_val = E1000_SUCCESS;
u16 offset, nvm_data, i;
DEBUGFUNC("e1000_read_mac_addr");
for (i = 0; i < ETH_ADDR_LEN; i += 2) {
offset = i >> 1;
ret_val = hw->nvm.ops.read(hw, offset, 1, &nvm_data);
if (ret_val) {
DEBUGOUT("NVM Read Error\n");
goto out;
}
hw->mac.perm_addr[i] = (u8)(nvm_data & 0xFF);
hw->mac.perm_addr[i+1] = (u8)(nvm_data >> 8);
}
for (i = 0; i < ETH_ADDR_LEN; i++)
hw->mac.addr[i] = hw->mac.perm_addr[i];
out:
return ret_val;
}