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authorAl Viro <viro@ftp.linux.org.uk>2008-03-16 18:23:24 -0400
committerJeff Garzik <jeff@garzik.org>2008-03-25 23:16:03 -0400
commit6d8126f988556d593f13be32cbe60dacf19c2d2c (patch)
treeef007d4f9e33a9477427f7967b0264896e5824a2 /drivers/net/igb/e1000_hw.h
parent7deb07b1befc9f09dbdaed66c9613a3d08f1c061 (diff)
igb trivial annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/igb/e1000_hw.h')
-rw-r--r--drivers/net/igb/e1000_hw.h82
1 files changed, 41 insertions, 41 deletions
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 161fb68764af..7b2c70a3b8cc 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -143,35 +143,35 @@ enum e1000_fc_type {
143 143
144/* Receive Descriptor */ 144/* Receive Descriptor */
145struct e1000_rx_desc { 145struct e1000_rx_desc {
146 u64 buffer_addr; /* Address of the descriptor's data buffer */ 146 __le64 buffer_addr; /* Address of the descriptor's data buffer */
147 u16 length; /* Length of data DMAed into data buffer */ 147 __le16 length; /* Length of data DMAed into data buffer */
148 u16 csum; /* Packet checksum */ 148 __le16 csum; /* Packet checksum */
149 u8 status; /* Descriptor status */ 149 u8 status; /* Descriptor status */
150 u8 errors; /* Descriptor Errors */ 150 u8 errors; /* Descriptor Errors */
151 u16 special; 151 __le16 special;
152}; 152};
153 153
154/* Receive Descriptor - Extended */ 154/* Receive Descriptor - Extended */
155union e1000_rx_desc_extended { 155union e1000_rx_desc_extended {
156 struct { 156 struct {
157 u64 buffer_addr; 157 __le64 buffer_addr;
158 u64 reserved; 158 __le64 reserved;
159 } read; 159 } read;
160 struct { 160 struct {
161 struct { 161 struct {
162 u32 mrq; /* Multiple Rx Queues */ 162 __le32 mrq; /* Multiple Rx Queues */
163 union { 163 union {
164 u32 rss; /* RSS Hash */ 164 __le32 rss; /* RSS Hash */
165 struct { 165 struct {
166 u16 ip_id; /* IP id */ 166 __le16 ip_id; /* IP id */
167 u16 csum; /* Packet Checksum */ 167 __le16 csum; /* Packet Checksum */
168 } csum_ip; 168 } csum_ip;
169 } hi_dword; 169 } hi_dword;
170 } lower; 170 } lower;
171 struct { 171 struct {
172 u32 status_error; /* ext status/error */ 172 __le32 status_error; /* ext status/error */
173 u16 length; 173 __le16 length;
174 u16 vlan; /* VLAN tag */ 174 __le16 vlan; /* VLAN tag */
175 } upper; 175 } upper;
176 } wb; /* writeback */ 176 } wb; /* writeback */
177}; 177};
@@ -181,49 +181,49 @@ union e1000_rx_desc_extended {
181union e1000_rx_desc_packet_split { 181union e1000_rx_desc_packet_split {
182 struct { 182 struct {
183 /* one buffer for protocol header(s), three data buffers */ 183 /* one buffer for protocol header(s), three data buffers */
184 u64 buffer_addr[MAX_PS_BUFFERS]; 184 __le64 buffer_addr[MAX_PS_BUFFERS];
185 } read; 185 } read;
186 struct { 186 struct {
187 struct { 187 struct {
188 u32 mrq; /* Multiple Rx Queues */ 188 __le32 mrq; /* Multiple Rx Queues */
189 union { 189 union {
190 u32 rss; /* RSS Hash */ 190 __le32 rss; /* RSS Hash */
191 struct { 191 struct {
192 u16 ip_id; /* IP id */ 192 __le16 ip_id; /* IP id */
193 u16 csum; /* Packet Checksum */ 193 __le16 csum; /* Packet Checksum */
194 } csum_ip; 194 } csum_ip;
195 } hi_dword; 195 } hi_dword;
196 } lower; 196 } lower;
197 struct { 197 struct {
198 u32 status_error; /* ext status/error */ 198 __le32 status_error; /* ext status/error */
199 u16 length0; /* length of buffer 0 */ 199 __le16 length0; /* length of buffer 0 */
200 u16 vlan; /* VLAN tag */ 200 __le16 vlan; /* VLAN tag */
201 } middle; 201 } middle;
202 struct { 202 struct {
203 u16 header_status; 203 __le16 header_status;
204 u16 length[3]; /* length of buffers 1-3 */ 204 __le16 length[3]; /* length of buffers 1-3 */
205 } upper; 205 } upper;
206 u64 reserved; 206 __le64 reserved;
207 } wb; /* writeback */ 207 } wb; /* writeback */
208}; 208};
209 209
210/* Transmit Descriptor */ 210/* Transmit Descriptor */
211struct e1000_tx_desc { 211struct e1000_tx_desc {
212 u64 buffer_addr; /* Address of the descriptor's data buffer */ 212 __le64 buffer_addr; /* Address of the descriptor's data buffer */
213 union { 213 union {
214 u32 data; 214 __le32 data;
215 struct { 215 struct {
216 u16 length; /* Data buffer length */ 216 __le16 length; /* Data buffer length */
217 u8 cso; /* Checksum offset */ 217 u8 cso; /* Checksum offset */
218 u8 cmd; /* Descriptor control */ 218 u8 cmd; /* Descriptor control */
219 } flags; 219 } flags;
220 } lower; 220 } lower;
221 union { 221 union {
222 u32 data; 222 __le32 data;
223 struct { 223 struct {
224 u8 status; /* Descriptor status */ 224 u8 status; /* Descriptor status */
225 u8 css; /* Checksum start */ 225 u8 css; /* Checksum start */
226 u16 special; 226 __le16 special;
227 } fields; 227 } fields;
228 } upper; 228 } upper;
229}; 229};
@@ -231,49 +231,49 @@ struct e1000_tx_desc {
231/* Offload Context Descriptor */ 231/* Offload Context Descriptor */
232struct e1000_context_desc { 232struct e1000_context_desc {
233 union { 233 union {
234 u32 ip_config; 234 __le32 ip_config;
235 struct { 235 struct {
236 u8 ipcss; /* IP checksum start */ 236 u8 ipcss; /* IP checksum start */
237 u8 ipcso; /* IP checksum offset */ 237 u8 ipcso; /* IP checksum offset */
238 u16 ipcse; /* IP checksum end */ 238 __le16 ipcse; /* IP checksum end */
239 } ip_fields; 239 } ip_fields;
240 } lower_setup; 240 } lower_setup;
241 union { 241 union {
242 u32 tcp_config; 242 __le32 tcp_config;
243 struct { 243 struct {
244 u8 tucss; /* TCP checksum start */ 244 u8 tucss; /* TCP checksum start */
245 u8 tucso; /* TCP checksum offset */ 245 u8 tucso; /* TCP checksum offset */
246 u16 tucse; /* TCP checksum end */ 246 __le16 tucse; /* TCP checksum end */
247 } tcp_fields; 247 } tcp_fields;
248 } upper_setup; 248 } upper_setup;
249 u32 cmd_and_length; 249 __le32 cmd_and_length;
250 union { 250 union {
251 u32 data; 251 __le32 data;
252 struct { 252 struct {
253 u8 status; /* Descriptor status */ 253 u8 status; /* Descriptor status */
254 u8 hdr_len; /* Header length */ 254 u8 hdr_len; /* Header length */
255 u16 mss; /* Maximum segment size */ 255 __le16 mss; /* Maximum segment size */
256 } fields; 256 } fields;
257 } tcp_seg_setup; 257 } tcp_seg_setup;
258}; 258};
259 259
260/* Offload data descriptor */ 260/* Offload data descriptor */
261struct e1000_data_desc { 261struct e1000_data_desc {
262 u64 buffer_addr; /* Address of the descriptor's buffer address */ 262 __le64 buffer_addr; /* Address of the descriptor's buffer address */
263 union { 263 union {
264 u32 data; 264 __le32 data;
265 struct { 265 struct {
266 u16 length; /* Data buffer length */ 266 __le16 length; /* Data buffer length */
267 u8 typ_len_ext; 267 u8 typ_len_ext;
268 u8 cmd; 268 u8 cmd;
269 } flags; 269 } flags;
270 } lower; 270 } lower;
271 union { 271 union {
272 u32 data; 272 __le32 data;
273 struct { 273 struct {
274 u8 status; /* Descriptor status */ 274 u8 status; /* Descriptor status */
275 u8 popts; /* Packet Options */ 275 u8 popts; /* Packet Options */
276 u16 special; 276 __le16 special;
277 } fields; 277 } fields;
278 } upper; 278 } upper;
279}; 279};