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e1000e endianness annotations

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Al Viro 2007-12-11 19:50:34 +00:00 committed by David S. Miller
parent 439104b3a3
commit a39fe742e7
2 changed files with 47 additions and 47 deletions
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82
drivers/net/e1000e/hw.h
View File

@ -423,35 +423,35 @@ enum e1000_smart_speed {
/* Receive Descriptor */
struct e1000_rx_desc {
u64 buffer_addr; /* Address of the descriptor's data buffer */
u16 length; /* Length of data DMAed into data buffer */
u16 csum; /* Packet checksum */
__le64 buffer_addr; /* Address of the descriptor's data buffer */
__le16 length; /* Length of data DMAed into data buffer */
__le16 csum; /* Packet checksum */
u8 status; /* Descriptor status */
u8 errors; /* Descriptor Errors */
u16 special;
__le16 special;
};
/* Receive Descriptor - Extended */
union e1000_rx_desc_extended {
struct {
u64 buffer_addr;
u64 reserved;
__le64 buffer_addr;
__le64 reserved;
} read;
struct {
struct {
u32 mrq; /* Multiple Rx Queues */
__le32 mrq; /* Multiple Rx Queues */
union {
u32 rss; /* RSS Hash */
__le32 rss; /* RSS Hash */
struct {
u16 ip_id; /* IP id */
u16 csum; /* Packet Checksum */
__le16 ip_id; /* IP id */
__le16 csum; /* Packet Checksum */
} csum_ip;
} hi_dword;
} lower;
struct {
u32 status_error; /* ext status/error */
u16 length;
u16 vlan; /* VLAN tag */
__le32 status_error; /* ext status/error */
__le16 length;
__le16 vlan; /* VLAN tag */
} upper;
} wb; /* writeback */
};
@ -461,49 +461,49 @@ union e1000_rx_desc_extended {
union e1000_rx_desc_packet_split {
struct {
/* one buffer for protocol header(s), three data buffers */
u64 buffer_addr[MAX_PS_BUFFERS];
__le64 buffer_addr[MAX_PS_BUFFERS];
} read;
struct {
struct {
u32 mrq; /* Multiple Rx Queues */
__le32 mrq; /* Multiple Rx Queues */
union {
u32 rss; /* RSS Hash */
__le32 rss; /* RSS Hash */
struct {
u16 ip_id; /* IP id */
u16 csum; /* Packet Checksum */
__le16 ip_id; /* IP id */
__le16 csum; /* Packet Checksum */
} csum_ip;
} hi_dword;
} lower;
struct {
u32 status_error; /* ext status/error */
u16 length0; /* length of buffer 0 */
u16 vlan; /* VLAN tag */
__le32 status_error; /* ext status/error */
__le16 length0; /* length of buffer 0 */
__le16 vlan; /* VLAN tag */
} middle;
struct {
u16 header_status;
u16 length[3]; /* length of buffers 1-3 */
__le16 header_status;
__le16 length[3]; /* length of buffers 1-3 */
} upper;
u64 reserved;
__le64 reserved;
} wb; /* writeback */
};
/* Transmit Descriptor */
struct e1000_tx_desc {
u64 buffer_addr; /* Address of the descriptor's data buffer */
__le64 buffer_addr; /* Address of the descriptor's data buffer */
union {
u32 data;
__le32 data;
struct {
u16 length; /* Data buffer length */
__le16 length; /* Data buffer length */
u8 cso; /* Checksum offset */
u8 cmd; /* Descriptor control */
} flags;
} lower;
union {
u32 data;
__le32 data;
struct {
u8 status; /* Descriptor status */
u8 css; /* Checksum start */
u16 special;
__le16 special;
} fields;
} upper;
};
@ -511,49 +511,49 @@ struct e1000_tx_desc {
/* Offload Context Descriptor */
struct e1000_context_desc {
union {
u32 ip_config;
__le32 ip_config;
struct {
u8 ipcss; /* IP checksum start */
u8 ipcso; /* IP checksum offset */
u16 ipcse; /* IP checksum end */
__le16 ipcse; /* IP checksum end */
} ip_fields;
} lower_setup;
union {
u32 tcp_config;
__le32 tcp_config;
struct {
u8 tucss; /* TCP checksum start */
u8 tucso; /* TCP checksum offset */
u16 tucse; /* TCP checksum end */
__le16 tucse; /* TCP checksum end */
} tcp_fields;
} upper_setup;
u32 cmd_and_length;
__le32 cmd_and_length;
union {
u32 data;
__le32 data;
struct {
u8 status; /* Descriptor status */
u8 hdr_len; /* Header length */
u16 mss; /* Maximum segment size */
__le16 mss; /* Maximum segment size */
} fields;
} tcp_seg_setup;
};
/* Offload data descriptor */
struct e1000_data_desc {
u64 buffer_addr; /* Address of the descriptor's buffer address */
__le64 buffer_addr; /* Address of the descriptor's buffer address */
union {
u32 data;
__le32 data;
struct {
u16 length; /* Data buffer length */
__le16 length; /* Data buffer length */
u8 typ_len_ext;
u8 cmd;
} flags;
} lower;
union {
u32 data;
__le32 data;
struct {
u8 status; /* Descriptor status */
u8 popts; /* Packet Options */
u16 special; /* */
__le16 special; /* */
} fields;
} upper;
};

12
drivers/net/e1000e/netdev.c
View File

@ -91,7 +91,7 @@ static int e1000_desc_unused(struct e1000_ring *ring)
static void e1000_receive_skb(struct e1000_adapter *adapter,
struct net_device *netdev,
struct sk_buff *skb,
u8 status, u16 vlan)
u8 status, __le16 vlan)
{
skb->protocol = eth_type_trans(skb, netdev);
@ -142,8 +142,8 @@ static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
/* Hardware complements the payload checksum, so we undo it
* and then put the value in host order for further stack use.
*/
csum = ntohl(csum ^ 0xFFFF);
skb->csum = csum;
__sum16 sum = (__force __sum16)htons(csum);
skb->csum = csum_unfold(~sum);
skb->ip_summed = CHECKSUM_COMPLETE;
}
adapter->hw_csum_good++;
@ -248,7 +248,7 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
ps_page = &buffer_info->ps_pages[j];
if (j >= adapter->rx_ps_pages) {
/* all unused desc entries get hw null ptr */
rx_desc->read.buffer_addr[j+1] = ~0;
rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
continue;
}
if (!ps_page->page) {
@ -941,7 +941,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
void (*handler) = &e1000_intr;
irq_handler_t handler = e1000_intr;
int irq_flags = IRQF_SHARED;
int err;
@ -951,7 +951,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
"Unable to allocate MSI interrupt Error: %d\n", err);
} else {
adapter->flags |= FLAG_MSI_ENABLED;
handler = &e1000_intr_msi;
handler = e1000_intr_msi;
irq_flags = 0;
}