diff options
Diffstat (limited to 'sys/dev/pci/ixgb_hw.h')
| -rw-r--r-- | sys/dev/pci/ixgb_hw.h | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/sys/dev/pci/ixgb_hw.h b/sys/dev/pci/ixgb_hw.h index 1e14df6bf54..e1da959436f 100644 --- a/sys/dev/pci/ixgb_hw.h +++ b/sys/dev/pci/ixgb_hw.h @@ -31,7 +31,7 @@ *******************************************************************************/ -/* $OpenBSD: ixgb_hw.h,v 1.2 2008/02/19 18:47:18 brad Exp $ */ +/* $OpenBSD: ixgb_hw.h,v 1.3 2010/09/20 07:50:19 deraadt Exp $ */ #ifndef _IXGB_HW_H_ #define _IXGB_HW_H_ @@ -561,11 +561,7 @@ typedef enum { #define G6XXX_XGXS_XAUI_VS2_INPUT_MASK 0x0F /* XAUI lanes * synchronized */ -/* Layout of a single receive descriptor. The controller assumes that this - * structure is packed into 16 bytes, which is a safe assumption with most - * compilers. However, some compilers may insert padding between the fields, - * in which case the structure must be packed in some compiler-specific - * manner. */ +/* Layout of a single receive descriptor. */ struct ixgb_rx_desc { uint64_t buff_addr; uint16_t length; @@ -573,7 +569,7 @@ struct ixgb_rx_desc { uint8_t status; uint8_t errors; uint16_t special; -}; +} __packed; #define IXGB_RX_DESC_STATUS_DD 0x01 #define IXGB_RX_DESC_STATUS_EOP 0x02 @@ -595,18 +591,14 @@ struct ixgb_rx_desc { #define IXGB_RX_DESC_SPECIAL_PRI_SHIFT 0x000D /* Priority is in upper 3 of 16 */ -/* Layout of a single transmit descriptor. The controller assumes that this - * structure is packed into 16 bytes, which is a safe assumption with most - * compilers. However, some compilers may insert padding between the fields, - * in which case the structure must be packed in some compiler-specific - * manner. */ +/* Layout of a single transmit descriptor. */ struct ixgb_tx_desc { uint64_t buff_addr; uint32_t cmd_type_len; uint8_t status; uint8_t popts; uint16_t vlan; -}; +} __packed; #define IXGB_TX_DESC_LENGTH_MASK 0x000FFFFF #define IXGB_TX_DESC_TYPE_MASK 0x00F00000 @@ -639,7 +631,7 @@ struct ixgb_context_desc { uint8_t status; uint8_t hdr_len; uint16_t mss; -}; +} __packed; #define IXGB_CONTEXT_DESC_CMD_TCP 0x01000000 #define IXGB_CONTEXT_DESC_CMD_IP 0x02000000 @@ -678,7 +670,7 @@ struct ixgb_flash_buffer { uint8_t filler2[0x2AAA]; uint8_t cmd1; uint8_t filler3[0xAAAA]; -}; +} __packed; /* * This is a little-endian specific check. @@ -699,7 +691,7 @@ struct ixgb_fc { uint16_t pause_time; /* Flow Control Pause timer */ boolean_t send_xon; /* Flow control send XON */ ixgb_fc_type type; /* Type of flow control */ -}; +} __packed; /* The historical defaults for the flow control values are given below. */ #define FC_DEFAULT_HI_THRESH (0x8000) /* 32KB */ |