diff options
author | Pavani Muthyala <pavani.muthyala@redpinesignals.com> | 2017-07-06 17:37:19 +0300 |
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committer | Kalle Valo <kvalo@codeaurora.org> | 2017-07-28 17:22:41 +0300 |
commit | ceb2e4eab9948a8ed14fd5b439ccb66dec4931e0 (patch) | |
tree | fc02a4c1ac7ee909ac36c26b66802ddc27d14f5b /drivers/net/wireless/rsi/rsi_91x_hal.c | |
parent | 0eb42586cf876ebeea07c5952d7c95f3b81d685b (diff) | |
download | linux-ceb2e4eab9948a8ed14fd5b439ccb66dec4931e0.tar.xz |
rsi: separate function for data packet descriptor
Data packet descriptor preparation code is moved a separate
function.
Signed-off-by: Pavani Muthyala <pavani.muthyala@redpinesignals.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_hal.c')
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_hal.c | 51 |
1 files changed, 28 insertions, 23 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c index af7fe87940c2..b0a7a1511aee 100644 --- a/drivers/net/wireless/rsi/rsi_91x_hal.c +++ b/drivers/net/wireless/rsi/rsi_91x_hal.c @@ -108,25 +108,15 @@ static int rsi_prepare_mgmt_desc(struct rsi_common *common, struct sk_buff *skb) return 0; } -/** - * rsi_send_data_pkt() - This function sends the recieved data packet from - * driver to device. - * @common: Pointer to the driver private structure. - * @skb: Pointer to the socket buffer structure. - * - * Return: status: 0 on success, -1 on failure. - */ -int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) +/* This function prepares descriptor for given data packet */ +static int rsi_prepare_data_desc(struct rsi_common *common, struct sk_buff *skb) { - struct rsi_hw *adapter = common->priv; struct ieee80211_hdr *wh = NULL; struct ieee80211_tx_info *info; - struct ieee80211_vif *vif = NULL; struct skb_info *tx_params; struct ieee80211_bss_conf *bss; struct rsi_data_desc *data_desc; struct xtended_desc *xtend_desc; - int status; u8 ieee80211_size = MIN_802_11_HDR_LEN; u8 header_size; u8 vap_id = 0; @@ -137,22 +127,16 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) bss = &info->control.vif->bss_conf; tx_params = (struct skb_info *)info->driver_data; - if (!bss->assoc) { - status = -EINVAL; - goto err; - } header_size = FRAME_DESC_SZ + sizeof(struct xtended_desc); if (header_size > skb_headroom(skb)) { rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__); - status = -ENOSPC; - goto err; + return -ENOSPC; } skb_push(skb, header_size); dword_align_bytes = ((unsigned long)skb->data & 0x3f); if (header_size > skb_headroom(skb)) { rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__); - status = -ENOSPC; - goto err; + return -ENOSPC; } skb_push(skb, dword_align_bytes); header_size += dword_align_bytes; @@ -164,7 +148,6 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) xtend_desc = (struct xtended_desc *)&skb->data[FRAME_DESC_SZ]; wh = (struct ieee80211_hdr *)&skb->data[header_size]; seq_num = (le16_to_cpu(wh->seq_ctrl) >> 4); - vif = adapter->vifs[0]; data_desc->xtend_desc_size = header_size - FRAME_DESC_SZ; @@ -227,11 +210,33 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) data_desc->sta_id = vap_id; } + return 0; +} + +/* This function sends received data packet from driver to device */ +int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_tx_info *info; + struct ieee80211_bss_conf *bss; + int status = -EIO; + + info = IEEE80211_SKB_CB(skb); + bss = &info->control.vif->bss_conf; + + if (!bss->assoc) { + status = -EINVAL; + goto err; + } + + status = rsi_prepare_data_desc(common, skb); + if (status) + goto err; + status = adapter->host_intf_ops->write_pkt(common->priv, skb->data, skb->len); if (status) - rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", - __func__); + rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", __func__); err: ++common->tx_stats.total_tx_pkt_freed[skb->priority]; |