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iwlwifi: tx command must run on same tfd as packet

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This patch makes clear that tx command is attached to the same tfd as
the tx packet

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-10-14 12:32:49 -07:00 committed by John W. Linville
parent 499b188303
commit b88b15dfbd
1 changed files with 2 additions and 3 deletions
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5
drivers/net/wireless/iwlwifi/iwl-tx.c
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@ -817,7 +817,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
dma_addr_t phys_addr;
dma_addr_t txcmd_phys;
dma_addr_t scratch_phys;
u16 len, idx, len_org;
u16 len, len_org;
u16 seq_number = 0;
__le16 fc;
u8 hdr_len, unicast;
@ -904,14 +904,13 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* Set up first empty TFD within this queue's circular TFD buffer */
tfd = &txq->tfds[q->write_ptr];
memset(tfd, 0, sizeof(*tfd));
idx = get_cmd_index(q, q->write_ptr, 0);
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
txq->txb[q->write_ptr].skb[0] = skb;
/* Set up first empty entry in queue's array of Tx/cmd buffers */
out_cmd = txq->cmd[idx];
out_cmd = txq->cmd[q->write_ptr];
tx_cmd = &out_cmd->cmd.tx;
memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr));
memset(tx_cmd, 0, sizeof(struct iwl_tx_cmd));