diff options
| -rw-r--r-- | sys/dev/pci/if_em_hw.c | 12 | ||||
| -rw-r--r-- | sys/dev/pci/if_em_hw.h | 3 |
2 files changed, 11 insertions, 4 deletions
diff --git a/sys/dev/pci/if_em_hw.c b/sys/dev/pci/if_em_hw.c index b007600b646..20d9ce86f80 100644 --- a/sys/dev/pci/if_em_hw.c +++ b/sys/dev/pci/if_em_hw.c @@ -31,7 +31,7 @@ *******************************************************************************/ -/* $OpenBSD: if_em_hw.c,v 1.58 2010/09/19 13:10:21 yasuoka Exp $ */ +/* $OpenBSD: if_em_hw.c,v 1.59 2011/02/06 23:47:14 dlg Exp $ */ /* * if_em_hw.c Shared functions for accessing and configuring the MAC */ @@ -5353,8 +5353,14 @@ em_init_eeprom_params(struct em_hw *hw) E1000_EECD_SIZE_EX_SHIFT); } - eeprom->word_size = 1 << - (eeprom_size + EEPROM_WORD_SIZE_SHIFT); + /* EEPROM access above 16k is unsupported */ + if (eeprom_size + EEPROM_WORD_SIZE_SHIFT > + EEPROM_WORD_SIZE_SHIFT_MAX) { + eeprom->word_size = 1 << EEPROM_WORD_SIZE_SHIFT_MAX; + } else { + eeprom->word_size = 1 << + (eeprom_size + EEPROM_WORD_SIZE_SHIFT); + } } return ret_val; } diff --git a/sys/dev/pci/if_em_hw.h b/sys/dev/pci/if_em_hw.h index d094b887d25..e2770c0c3fa 100644 --- a/sys/dev/pci/if_em_hw.h +++ b/sys/dev/pci/if_em_hw.h @@ -31,7 +31,7 @@ *******************************************************************************/ -/* $OpenBSD: if_em_hw.h,v 1.46 2010/09/19 13:10:21 yasuoka Exp $ */ +/* $OpenBSD: if_em_hw.h,v 1.47 2011/02/06 23:47:14 dlg Exp $ */ /* $FreeBSD: if_em_hw.h,v 1.15 2005/05/26 23:32:02 tackerman Exp $ */ /* if_em_hw.h @@ -2353,6 +2353,7 @@ struct em_host_command_info { /* EEPROM Size definitions */ #define EEPROM_WORD_SIZE_SHIFT 6 +#define EEPROM_WORD_SIZE_SHIFT_MAX 14 #define EEPROM_SIZE_SHIFT 10 #define EEPROM_SIZE_MASK 0x1C00 |