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path: root/drivers/net/wireless/iwlwifi/iwl-trans.h
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans.h20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 8c7bec6b9a0b..0cac2b7af78b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -186,19 +186,13 @@ struct iwl_rx_packet {
186 * @CMD_ASYNC: Return right away and don't want for the response 186 * @CMD_ASYNC: Return right away and don't want for the response
187 * @CMD_WANT_SKB: valid only with CMD_SYNC. The caller needs the buffer of the 187 * @CMD_WANT_SKB: valid only with CMD_SYNC. The caller needs the buffer of the
188 * response. The caller needs to call iwl_free_resp when done. 188 * response. The caller needs to call iwl_free_resp when done.
189 * @CMD_WANT_HCMD: The caller needs to get the HCMD that was sent in the
190 * response handler. Chunks flagged by %IWL_HCMD_DFL_NOCOPY won't be
191 * copied. The pointer passed to the response handler is in the transport
192 * ownership and don't need to be freed by the op_mode. This also means
193 * that the pointer is invalidated after the op_mode's handler returns.
194 * @CMD_ON_DEMAND: This command is sent by the test mode pipe. 189 * @CMD_ON_DEMAND: This command is sent by the test mode pipe.
195 */ 190 */
196enum CMD_MODE { 191enum CMD_MODE {
197 CMD_SYNC = 0, 192 CMD_SYNC = 0,
198 CMD_ASYNC = BIT(0), 193 CMD_ASYNC = BIT(0),
199 CMD_WANT_SKB = BIT(1), 194 CMD_WANT_SKB = BIT(1),
200 CMD_WANT_HCMD = BIT(2), 195 CMD_ON_DEMAND = BIT(2),
201 CMD_ON_DEMAND = BIT(3),
202}; 196};
203 197
204#define DEF_CMD_PAYLOAD_SIZE 320 198#define DEF_CMD_PAYLOAD_SIZE 320
@@ -217,7 +211,11 @@ struct iwl_device_cmd {
217 211
218#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 212#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
219 213
220#define IWL_MAX_CMD_TFDS 2 214/*
215 * number of transfer buffers (fragments) per transmit frame descriptor;
216 * this is just the driver's idea, the hardware supports 20
217 */
218#define IWL_MAX_CMD_TBS_PER_TFD 2
221 219
222/** 220/**
223 * struct iwl_hcmd_dataflag - flag for each one of the chunks of the command 221 * struct iwl_hcmd_dataflag - flag for each one of the chunks of the command
@@ -254,15 +252,15 @@ enum iwl_hcmd_dataflag {
254 * @id: id of the host command 252 * @id: id of the host command
255 */ 253 */
256struct iwl_host_cmd { 254struct iwl_host_cmd {
257 const void *data[IWL_MAX_CMD_TFDS]; 255 const void *data[IWL_MAX_CMD_TBS_PER_TFD];
258 struct iwl_rx_packet *resp_pkt; 256 struct iwl_rx_packet *resp_pkt;
259 unsigned long _rx_page_addr; 257 unsigned long _rx_page_addr;
260 u32 _rx_page_order; 258 u32 _rx_page_order;
261 int handler_status; 259 int handler_status;
262 260
263 u32 flags; 261 u32 flags;
264 u16 len[IWL_MAX_CMD_TFDS]; 262 u16 len[IWL_MAX_CMD_TBS_PER_TFD];
265 u8 dataflags[IWL_MAX_CMD_TFDS]; 263 u8 dataflags[IWL_MAX_CMD_TBS_PER_TFD];
266 u8 id; 264 u8 id;
267}; 265};
268 266