iwlagn: prepare for multi-TB commands

In a subsequent patch, I want to make commands use
multiple TBs in a TFD. This is a simple change to
prepare the data structures for this, with as of
now still just a single TB supported.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

14 files changed, 47 insertions, 46 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c
index 89b8da7a6c8b..9f34cd7b6399 100644
--- a/drivers/net/wireless/iwlwifi/iwl-2000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-2000.c
@@ -195,9 +195,9 @@ static int iwl2030_hw_channel_switch(struct iwl_priv *priv,
         struct ieee80211_vif *vif = ctx->vif;
         struct iwl_host_cmd hcmd = {
                 .id = REPLY_CHANNEL_SWITCH,
-                .len = sizeof(cmd),
+                .len = { sizeof(cmd), },
                 .flags = CMD_SYNC,
-                .data = &cmd,
+                .data = { &cmd, },
         };
 
         cmd.band = priv->band == IEEE80211_BAND_2GHZ;
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 98f81df166e3..09751f2386cb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -282,9 +282,9 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
         struct ieee80211_vif *vif = ctx->vif;
         struct iwl_host_cmd hcmd = {
                 .id = REPLY_CHANNEL_SWITCH,
-                .len = sizeof(cmd),
+                .len = { sizeof(cmd), },
                 .flags = CMD_SYNC,
-                .data = &cmd,
+                .data = { &cmd, },
         };
 
         cmd.band = priv->band == IEEE80211_BAND_2GHZ;
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index a7921f9a03c6..860c26e4836d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -221,9 +221,9 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
         struct ieee80211_vif *vif = ctx->vif;
         struct iwl_host_cmd hcmd = {
                 .id = REPLY_CHANNEL_SWITCH,
-                .len = sizeof(cmd),
+                .len = { sizeof(cmd), },
                 .flags = CMD_SYNC,
-                .data = &cmd,
+                .data = { &cmd, },
         };
 
         cmd.band = priv->band == IEEE80211_BAND_2GHZ;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
index 0f6bb9b2e642..30e11c7c4144 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
@@ -93,8 +93,8 @@ int iwl_send_calib_results(struct iwl_priv *priv)
         for (i = 0; i < IWL_CALIB_MAX; i++) {
                 if ((BIT(i) & priv->hw_params.calib_init_cfg) &&
                     priv->calib_results[i].buf) {
-                        hcmd.len = priv->calib_results[i].buf_len;
-                        hcmd.data = priv->calib_results[i].buf;
+                        hcmd.len[0] = priv->calib_results[i].buf_len;
+                        hcmd.data[0] = priv->calib_results[i].buf;
                         ret = iwl_send_cmd_sync(priv, &hcmd);
                         if (ret) {
                                 IWL_ERR(priv, "Error %d iteration %d\n",
@@ -456,9 +456,9 @@ static int iwl_sensitivity_write(struct iwl_priv *priv)
         struct iwl_sensitivity_data *data = NULL;
         struct iwl_host_cmd cmd_out = {
                 .id = SENSITIVITY_CMD,
-                .len = sizeof(struct iwl_sensitivity_cmd),
+                .len = { sizeof(struct iwl_sensitivity_cmd), },
                 .flags = CMD_ASYNC,
-                .data = &cmd,
+                .data = { &cmd, },
         };
 
         data = &(priv->sensitivity_data);
@@ -491,9 +491,9 @@ static int iwl_enhance_sensitivity_write(struct iwl_priv *priv)
         struct iwl_sensitivity_data *data = NULL;
         struct iwl_host_cmd cmd_out = {
                 .id = SENSITIVITY_CMD,
-                .len = sizeof(struct iwl_enhance_sensitivity_cmd),
+                .len = { sizeof(struct iwl_enhance_sensitivity_cmd), },
                 .flags = CMD_ASYNC,
-                .data = &cmd,
+                .data = { &cmd, },
         };
 
         data = &(priv->sensitivity_data);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 8e79653aed9a..576f45e9ab9f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1140,7 +1140,7 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
         struct iwl_host_cmd cmd = {
                 .id = REPLY_SCAN_CMD,
-                .len = sizeof(struct iwl_scan_cmd),
+                .len = { sizeof(struct iwl_scan_cmd), },
                 .flags = CMD_SIZE_HUGE,
         };
         struct iwl_scan_cmd *scan;
@@ -1425,10 +1425,10 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
                 return -EIO;
         }
 
-        cmd.len += le16_to_cpu(scan->tx_cmd.len) +
+        cmd.len[0] += le16_to_cpu(scan->tx_cmd.len) +
             scan->channel_count * sizeof(struct iwl_scan_channel);
-        cmd.data = scan;
-        scan->len = cpu_to_le16(cmd.len);
+        cmd.data[0] = scan;
+        scan->len = cpu_to_le16(cmd.len[0]);
 
         /* set scan bit here for PAN params */
         set_bit(STATUS_SCAN_HW, &priv->status);
@@ -1520,9 +1520,9 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
         struct iwl_txfifo_flush_cmd flush_cmd;
         struct iwl_host_cmd cmd = {
                 .id = REPLY_TXFIFO_FLUSH,
-                .len = sizeof(struct iwl_txfifo_flush_cmd),
+                .len = { sizeof(struct iwl_txfifo_flush_cmd), },
                 .flags = CMD_SYNC,
-                .data = &flush_cmd,
+                .data = { &flush_cmd, },
         };
 
         might_sleep();
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 079275f2c64d..0bd722cee5ae 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -144,7 +144,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv,
         size_t cmd_size  = sizeof(struct iwl_wep_cmd);
         struct iwl_host_cmd cmd = {
                 .id = ctx->wep_key_cmd,
-                .data = wep_cmd,
+                .data = { wep_cmd, },
                 .flags = CMD_SYNC,
         };
 
@@ -172,7 +172,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv,
 
         cmd_size += sizeof(struct iwl_wep_key) * WEP_KEYS_MAX;
 
-        cmd.len = cmd_size;
+        cmd.len[0] = cmd_size;
 
         if (not_empty || send_if_empty)
                 return iwl_send_cmd(priv, &cmd);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index 8bda0e8d6661..e35755c577db 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -217,8 +217,8 @@ static int iwlagn_send_calib_cfg(struct iwl_priv *priv)
         struct iwl_calib_cfg_cmd calib_cfg_cmd;
         struct iwl_host_cmd cmd = {
                 .id = CALIBRATION_CFG_CMD,
-                .len = sizeof(struct iwl_calib_cfg_cmd),
-                .data = &calib_cfg_cmd,
+                .len = { sizeof(struct iwl_calib_cfg_cmd), },
+                .data = { &calib_cfg_cmd, },
         };
 
         memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 3ecc3198d9bf..2713081ed996 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -189,8 +189,8 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
                         rate_flags);
 
         /* Submit command */
-        cmd.len = sizeof(*tx_beacon_cmd) + frame_size;
-        cmd.data = tx_beacon_cmd;
+        cmd.len[0] = sizeof(*tx_beacon_cmd) + frame_size;
+        cmd.data[0] = tx_beacon_cmd;
 
         err = iwl_send_cmd_sync(priv, &cmd);
 
@@ -2114,8 +2114,8 @@ static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
         struct iwl_calib_cfg_cmd calib_cfg_cmd;
         struct iwl_host_cmd cmd = {
                 .id = CALIBRATION_CFG_CMD,
-                .len = sizeof(struct iwl_calib_cfg_cmd),
-                .data = &calib_cfg_cmd,
+                .len = { sizeof(struct iwl_calib_cfg_cmd), },
+                .data = { &calib_cfg_cmd, },
         };
 
         memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 214e4658c495..9daf96490f63 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -277,15 +277,16 @@ struct iwl_device_cmd {
 
 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
 
+#define IWL_MAX_CMD_TFDS        1
 
 struct iwl_host_cmd {
-        const void *data;
+        const void *data[IWL_MAX_CMD_TFDS];
         unsigned long reply_page;
         void (*callback)(struct iwl_priv *priv,
                          struct iwl_device_cmd *cmd,
                          struct iwl_rx_packet *pkt);
         u32 flags;
-        u16 len;
+        u16 len[IWL_MAX_CMD_TFDS];
         u8 id;
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 8f0beb992ccf..1ff1f31250c3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -264,8 +264,8 @@ int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data)
 {
         struct iwl_host_cmd cmd = {
                 .id = id,
-                .len = len,
-                .data = data,
+                .len = { len, },
+                .data = { data, },
         };
 
         return iwl_send_cmd_sync(priv, &cmd);
@@ -279,8 +279,8 @@ int iwl_send_cmd_pdu_async(struct iwl_priv *priv,
 {
         struct iwl_host_cmd cmd = {
                 .id = id,
-                .len = len,
-                .data = data,
+                .len = { len, },
+                .data = { data, },
         };
 
         cmd.flags |= CMD_ASYNC;
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index 439187f903c9..7c23beb49d7c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -107,8 +107,8 @@ static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd)
 {
         struct iwl_host_cmd cmd = {
                 .id = REPLY_LEDS_CMD,
-                .len = sizeof(struct iwl_led_cmd),
-                .data = led_cmd,
+                .len = { sizeof(struct iwl_led_cmd), },
+                .data = { led_cmd, },
                 .flags = CMD_ASYNC,
                 .callback = NULL,
         };
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 3c8cebde16cc..7df2814fd4f8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -141,7 +141,7 @@ int iwl_send_add_sta(struct iwl_priv *priv,
         struct iwl_host_cmd cmd = {
                 .id = REPLY_ADD_STA,
                 .flags = flags,
-                .data = data,
+                .data = { data, },
         };
         u8 sta_id __maybe_unused = sta->sta.sta_id;
 
@@ -155,7 +155,7 @@ int iwl_send_add_sta(struct iwl_priv *priv,
                 might_sleep();
         }
 
-        cmd.len = priv->cfg->ops->utils->build_addsta_hcmd(sta, data);
+        cmd.len[0] = priv->cfg->ops->utils->build_addsta_hcmd(sta, data);
         ret = iwl_send_cmd(priv, &cmd);
 
         if (ret || (flags & CMD_ASYNC))
@@ -401,9 +401,9 @@ static int iwl_send_remove_station(struct iwl_priv *priv,
 
         struct iwl_host_cmd cmd = {
                 .id = REPLY_REMOVE_STA,
-                .len = sizeof(struct iwl_rem_sta_cmd),
+                .len = { sizeof(struct iwl_rem_sta_cmd), },
                 .flags = CMD_SYNC,
-                .data = &rm_sta_cmd,
+                .data = { &rm_sta_cmd, },
         };
 
         memset(&rm_sta_cmd, 0, sizeof(rm_sta_cmd));
@@ -760,9 +760,9 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 
         struct iwl_host_cmd cmd = {
                 .id = REPLY_TX_LINK_QUALITY_CMD,
-                .len = sizeof(struct iwl_link_quality_cmd),
+                .len = { sizeof(struct iwl_link_quality_cmd), },
                 .flags = flags,
-                .data = lq,
+                .data = { lq, },
         };
 
         if (WARN_ON(lq->sta_id == IWL_INVALID_STATION))
diff --git a/drivers/net/wireless/iwlwifi/iwl-sv-open.c b/drivers/net/wireless/iwlwifi/iwl-sv-open.c
index 89b6696622c1..01a8ec9cd6b2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sv-open.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sv-open.c
@@ -198,10 +198,10 @@ static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
         }
 
         cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
-        cmd.data = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
-        cmd.len = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
+        cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
+        cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
         IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x,"
-                                " len %d\n", cmd.id, cmd.flags, cmd.len);
+                                " len %d\n", cmd.id, cmd.flags, cmd.len[0]);
         /* ok, let's submit the command to ucode */
         return iwl_send_cmd(priv, &cmd);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index e69597ea43e2..7843195efb05 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -446,7 +446,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
         u16 fix_size;
         bool is_ct_kill = false;
 
-        fix_size = (u16)(cmd->len + sizeof(out_cmd->hdr));
+        fix_size = (u16)(cmd->len[0] + sizeof(out_cmd->hdr));
 
         /*
          * If any of the command structures end up being larger than
@@ -506,7 +506,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
                 out_meta->callback = cmd->callback;
 
         out_cmd->hdr.cmd = cmd->id;
-        memcpy(&out_cmd->cmd.payload, cmd->data, cmd->len);
+        memcpy(&out_cmd->cmd.payload, cmd->data[0], cmd->len[0]);
 
         /* At this point, the out_cmd now has all of the incoming cmd
          * information */
@@ -555,7 +555,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 
         priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
                                                    phys_addr, fix_size, 1,
-                                                   U32_PAD(cmd->len));
+                                                   U32_PAD(cmd->len[0]));
 
         /* Increment and update queue's write index */
         q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);