From: Karun Eagalapati <[email protected]> management packet descriptor preparation code is moved a separate function.
Signed-off-by: Karun Eagalapati <[email protected]> Signed-off-by: Amitkumar Karwar <[email protected]> --- drivers/net/wireless/rsi/rsi_91x_hal.c | 135 +++++++++++++++++++++------------ drivers/net/wireless/rsi/rsi_hal.h | 10 +-- drivers/net/wireless/rsi/rsi_main.h | 7 ++ drivers/net/wireless/rsi/rsi_mgmt.h | 1 + 4 files changed, 101 insertions(+), 52 deletions(-) diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c index 461352a..bc2ee8c 100644 --- a/drivers/net/wireless/rsi/rsi_91x_hal.c +++ b/drivers/net/wireless/rsi/rsi_91x_hal.c @@ -25,6 +25,92 @@ static struct ta_metadata metadata_flash_content[] = { {"rsi/rs9113_wlan_qspi.rps", 0x00010000}, }; +/* This function prepares descriptor for given management packet */ + +static int rsi_prepare_mgmt_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_conf *conf = &adapter->hw->conf; + struct ieee80211_vif *vif = NULL; + struct rsi_mgmt_desc *mgmt_desc; + struct skb_info *tx_params; + int status = -EINVAL; + struct ieee80211_bss_conf *bss = NULL; + struct xtended_desc *xtend_desc = NULL; + u8 header_size; + u32 dword_align_bytes = 0; + + info = IEEE80211_SKB_CB(skb); + tx_params = (struct skb_info *)info->driver_data; + + /* Update header size */ + header_size = FRAME_DESC_SZ + sizeof(struct xtended_desc); + if (header_size > skb_headroom(skb)) { + rsi_dbg(ERR_ZONE, + "%s: Failed to add extended descriptor\n", + __func__); + status = -ENOSPC; + return status; + } + skb_push(skb, header_size); + dword_align_bytes = ((unsigned long)skb->data & 0x3f); + if (dword_align_bytes > skb_headroom(skb)) { + rsi_dbg(ERR_ZONE, + "%s: Failed to add dword align\n", __func__); + status = -ENOSPC; + return status; + } + skb_push(skb, dword_align_bytes); + header_size += dword_align_bytes; + + tx_params->internal_hdr_size = header_size; + memset(&skb->data[0], 0, header_size); + bss = &info->control.vif->bss_conf; + wh = (struct ieee80211_hdr *)&skb->data[header_size]; + vif = adapter->vifs[0]; + + mgmt_desc = (struct rsi_mgmt_desc *)skb->data; + xtend_desc = (struct xtended_desc *)&skb->data[FRAME_DESC_SZ]; + + if (skb->len > MAX_MGMT_PKT_SIZE) { + rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__); + return status; + } + mgmt_desc->length = skb->len - FRAME_DESC_SZ; + mgmt_desc->q_num = RSI_WIFI_MGMT_Q; + mgmt_desc->frame_type = TX_DOT11_MGMT; + mgmt_desc->header_len = MIN_802_11_HDR_LEN; + mgmt_desc->xtend_desc_size = header_size - FRAME_DESC_SZ; + mgmt_desc->frame_info |= cpu_to_le16(RATE_INFO_ENABLE); + if (is_broadcast_ether_addr(wh->addr1)) + mgmt_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT); + + mgmt_desc->seq_ctrl = + cpu_to_le16(IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl))); + if (common->band == NL80211_BAND_2GHZ) + mgmt_desc->rate_info = RSI_RATE_1; + else + mgmt_desc->rate_info = RSI_RATE_6; + + if (conf_is_ht40(conf)) + mgmt_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE); + + if (ieee80211_is_probe_req(wh->frame_control)) { + if (!bss->assoc) { + rsi_dbg(INFO_ZONE, + "%s: blocking mgmt queue\n", __func__); + mgmt_desc->misc_flags = RSI_DESC_REQUIRE_CFM_TO_HOST; + xtend_desc->confirm_frame_type = PROBEREQ_CONFIRM; + common->mgmt_q_block = true; + rsi_dbg(INFO_ZONE, "Mgmt queue blocked\n"); + } + } + + return 0; +} + /** * rsi_send_data_pkt() - This function sends the recieved data packet from * driver to device. @@ -133,16 +219,10 @@ int rsi_send_mgmt_pkt(struct rsi_common *common, struct sk_buff *skb) { struct rsi_hw *adapter = common->priv; - struct ieee80211_hdr *wh; struct ieee80211_tx_info *info; - struct ieee80211_bss_conf *bss; - struct ieee80211_hw *hw = adapter->hw; - struct ieee80211_conf *conf = &hw->conf; - struct rsi_mgmt_desc *mgmt_desc; struct skb_info *tx_params; int status = -E2BIG; u8 extnd_size; - u8 vap_id = 0; info = IEEE80211_SKB_CB(skb); tx_params = (struct skb_info *)info->driver_data; @@ -168,51 +248,12 @@ int rsi_send_mgmt_pkt(struct rsi_common *common, return status; } - bss = &info->control.vif->bss_conf; - wh = (struct ieee80211_hdr *)&skb->data[0]; - if (FRAME_DESC_SZ > skb_headroom(skb)) goto err; - skb_push(skb, FRAME_DESC_SZ); - memset(skb->data, 0, FRAME_DESC_SZ); - mgmt_desc = (struct rsi_mgmt_desc *)skb->data; - - if (skb->len > MAX_MGMT_PKT_SIZE) { - rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__); - goto err; - } - - mgmt_desc->length = skb->len - FRAME_DESC_SZ; - mgmt_desc->q_num = RSI_WIFI_MGMT_Q; - mgmt_desc->frame_type = TX_DOT11_MGMT; - mgmt_desc->header_len = MIN_802_11_HDR_LEN; - mgmt_desc->info_cap |= cpu_to_le16(RATE_INFO_ENABLE); - mgmt_desc->seq_ctrl = cpu_to_le16(le16_to_cpu(wh->seq_ctrl) >> 4); - - if (wh->addr1[0] & BIT(0)) - mgmt_desc->info_cap |= cpu_to_le16(RSI_BROADCAST_PKT); - - if (common->band == NL80211_BAND_2GHZ) - mgmt_desc->rate_info = RSI_11B_MODE; - else - mgmt_desc->rate_info = (RSI_RATE_6 & 0x0f) | RSI_11G_MODE; - - if (conf_is_ht40(conf)) { - mgmt_desc->rate_info = 0xB | RSI_11G_MODE; - mgmt_desc->bbp_info = BBP_INFO_40MHZ; - } - - /* Indicate to firmware to give cfm */ - if ((skb->data[16] == IEEE80211_STYPE_PROBE_REQ) && (!bss->assoc)) { - mgmt_desc->misc_flags |= BIT(2); - mgmt_desc->cfm_frame_type = PROBEREQ_CONFIRM; - common->mgmt_q_block = true; - } - mgmt_desc->vap_info = vap_id << 8; - + rsi_prepare_mgmt_desc(common, skb); status = adapter->host_intf_ops->write_pkt(common->priv, - (u8 *)mgmt_desc, skb->len); + (u8 *)skb->data, skb->len); if (status) rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); diff --git a/drivers/net/wireless/rsi/rsi_hal.h b/drivers/net/wireless/rsi/rsi_hal.h index 921123e..aa58125 100644 --- a/drivers/net/wireless/rsi/rsi_hal.h +++ b/drivers/net/wireless/rsi/rsi_hal.h @@ -124,14 +124,14 @@ struct rsi_mgmt_desc { #endif u8 frame_type; u8 misc_flags; - u8 reserved1; + u8 xtend_desc_size; u8 header_len; - __le16 info_cap; + __le16 frame_info; u8 rate_info; - u8 reserved2; - u16 bbp_info; + u8 reserved1; + __le16 bbp_info; __le16 seq_ctrl; - u8 cfm_frame_type; + u8 reserved2; u8 vap_info; } __packed; diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h index fc99c17..4b4312e 100644 --- a/drivers/net/wireless/rsi/rsi_main.h +++ b/drivers/net/wireless/rsi/rsi_main.h @@ -103,6 +103,7 @@ struct skb_info { u16 channel; s8 tid; s8 sta_id; + u8 internal_hdr_size; }; enum edca_queue { @@ -156,6 +157,12 @@ struct cqm_info { u32 rssi_hyst; }; +struct xtended_desc { + u8 confirm_frame_type; + u8 retry_cnt; + u16 reserved; +}; + struct rsi_hw; struct rsi_common { diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h index f5cc4c6..04c491d 100644 --- a/drivers/net/wireless/rsi/rsi_mgmt.h +++ b/drivers/net/wireless/rsi/rsi_mgmt.h @@ -63,6 +63,7 @@ #define RF_RESET_ENABLE BIT(3) #define RATE_INFO_ENABLE BIT(0) #define RSI_BROADCAST_PKT BIT(9) +#define RSI_DESC_REQUIRE_CFM_TO_HOST BIT(2) #define UPPER_20_ENABLE (0x2 << 12) #define LOWER_20_ENABLE (0x4 << 12) -- 2.7.4
