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authorGolan Ben Ami <golan.ben.ami@intel.com>2018-02-04 15:46:17 +0200
committerLuca Coelho <luciano.coelho@intel.com>2018-07-26 13:16:17 +0300
commita0ec0169b7a9e0e6050e1699276801dee8c6ca84 (patch)
tree86f718f03cc49f8c311e977eb1add10a330a2549 /drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
parent7b3e42ea2eadd41cc9d6363a9813b8ba8ab6f0e6 (diff)
iwlwifi: support new tx api
22560 devices use a new tx cmd api. Update the code to use the new api. Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index 70dfa80b3d60..e3ae7f91206b 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -402,8 +402,14 @@ struct iwl_tfh_tfd *iwl_pcie_gen2_build_tfd(struct iwl_trans *trans,
* (This calculation modifies the TX command, so do it before the
* setup of the first TB)
*/
- len = sizeof(struct iwl_tx_cmd_gen2) + sizeof(struct iwl_cmd_header) +
- ieee80211_hdrlen(hdr->frame_control) - IWL_FIRST_TB_SIZE;
+ if (trans->cfg->device_family < IWL_DEVICE_FAMILY_22560)
+ len = sizeof(struct iwl_tx_cmd_gen2);
+ else
+ len = sizeof(struct iwl_tx_cmd_gen3);
+
+ len += sizeof(struct iwl_cmd_header) +
+ ieee80211_hdrlen(hdr->frame_control) -
+ IWL_FIRST_TB_SIZE;
/* do not align A-MSDU to dword as the subframe header aligns it */
if (amsdu)
@@ -480,9 +486,9 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_cmd *dev_cmd, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_cmd_gen2 *tx_cmd = (void *)dev_cmd->payload;
struct iwl_cmd_meta *out_meta;
struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ u16 cmd_len;
int idx;
void *tfd;
@@ -497,6 +503,18 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
spin_lock(&txq->lock);
+ if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
+ struct iwl_tx_cmd_gen3 *tx_cmd_gen3 =
+ (void *)dev_cmd->payload;
+
+ cmd_len = le16_to_cpu(tx_cmd_gen3->len);
+ } else {
+ struct iwl_tx_cmd_gen2 *tx_cmd_gen2 =
+ (void *)dev_cmd->payload;
+
+ cmd_len = le16_to_cpu(tx_cmd_gen2->len);
+ }
+
if (iwl_queue_space(trans, txq) < txq->high_mark) {
iwl_stop_queue(trans, txq);
@@ -535,7 +553,7 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
}
/* Set up entry for this TFD in Tx byte-count array */
- iwl_pcie_gen2_update_byte_tbl(trans_pcie, txq, le16_to_cpu(tx_cmd->len),
+ iwl_pcie_gen2_update_byte_tbl(trans_pcie, txq, cmd_len,
iwl_pcie_gen2_get_num_tbs(trans, tfd));
/* start timer if queue currently empty */