Return-path: Received: from mail-pg0-f67.google.com ([74.125.83.67]:34697 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753486AbdESJGx (ORCPT ); Fri, 19 May 2017 05:06:53 -0400 Received: by mail-pg0-f67.google.com with SMTP id u187so9093430pgb.1 for ; Fri, 19 May 2017 02:06:52 -0700 (PDT) From: Xinming Hu To: Linux Wireless Cc: Kalle Valo , Brian Norris , Dmitry Torokhov , rajatja@google.com, Zhiyuan Yang , Cathy Luo , Xinming Hu , Ganapathi Bhat Subject: [PATCH v3 1/6] mwifiex: use variable interface header length Date: Fri, 19 May 2017 09:06:40 +0000 Message-Id: <1495184805-6631-1-git-send-email-huxinming820@gmail.com> (sfid-20170519_110723_755161_DE40D9AC) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Xinming Hu Usb tx aggregation feature will utilize 4-bytes bus interface header, otherwise it will be set to zero in default case. Signed-off-by: Xinming Hu Signed-off-by: Cathy Luo Signed-off-by: Ganapathi Bhat --- v3: same as v1,v2 --- drivers/net/wireless/marvell/mwifiex/11n_aggr.c | 2 +- drivers/net/wireless/marvell/mwifiex/cmdevt.c | 8 ++++---- drivers/net/wireless/marvell/mwifiex/init.c | 5 +++++ drivers/net/wireless/marvell/mwifiex/main.h | 1 + drivers/net/wireless/marvell/mwifiex/pcie.c | 19 ++++++++++--------- drivers/net/wireless/marvell/mwifiex/sdio.c | 12 ++++++------ drivers/net/wireless/marvell/mwifiex/sta_tx.c | 12 ++++++------ drivers/net/wireless/marvell/mwifiex/txrx.c | 11 +++-------- drivers/net/wireless/marvell/mwifiex/uap_txrx.c | 5 ++--- 9 files changed, 38 insertions(+), 37 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c index a75013a..e8ffb26 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c @@ -164,7 +164,7 @@ int pad = 0, aggr_num = 0, ret; struct mwifiex_tx_param tx_param; struct txpd *ptx_pd = NULL; - int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN; + int headroom = adapter->intf_hdr_len; skb_src = skb_peek(&pra_list->skb_head); if (!skb_src) { diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index 0c3b217..d62f729 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -258,10 +258,10 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, if (ret == -EBUSY) cmd_node->cmd_skb = NULL; } else { - skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); + skb_push(cmd_node->cmd_skb, adapter->intf_hdr_len); ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, cmd_node->cmd_skb, NULL); - skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); + skb_pull(cmd_node->cmd_skb, adapter->intf_hdr_len); } if (ret == -1) { @@ -351,10 +351,10 @@ static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) if (ret != -EBUSY) dev_kfree_skb_any(sleep_cfm_tmp); } else { - skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); + skb_push(adapter->sleep_cfm, adapter->intf_hdr_len); ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, adapter->sleep_cfm, NULL); - skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); + skb_pull(adapter->sleep_cfm, adapter->intf_hdr_len); } if (ret == -1) { diff --git a/drivers/net/wireless/marvell/mwifiex/init.c b/drivers/net/wireless/marvell/mwifiex/init.c index 7569483..0710b917 100644 --- a/drivers/net/wireless/marvell/mwifiex/init.c +++ b/drivers/net/wireless/marvell/mwifiex/init.c @@ -217,6 +217,11 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) else adapter->data_sent = false; + if (adapter->iface_type == MWIFIEX_USB) + adapter->intf_hdr_len = 0; + else + adapter->intf_hdr_len = INTF_HEADER_LEN; + adapter->cmd_resp_received = false; adapter->event_received = false; adapter->data_received = false; diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index 6e76b30..ee496ab 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -849,6 +849,7 @@ struct mwifiex_adapter { u8 perm_addr[ETH_ALEN]; bool surprise_removed; u32 fw_release_number; + u8 intf_hdr_len; u16 init_wait_q_woken; wait_queue_head_t init_wait_q; void *card; diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index 78688ff..e47326e 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -1391,7 +1391,7 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter) * first 2 bytes for len, next 2 bytes is for type */ rx_len = get_unaligned_le16(skb_data->data); - if (WARN_ON(rx_len <= INTF_HEADER_LEN || + if (WARN_ON(rx_len <= adapter->intf_hdr_len || rx_len > MWIFIEX_RX_DATA_BUF_SIZE)) { mwifiex_dbg(adapter, ERROR, "Invalid RX len %d, Rd=%#x, Wr=%#x\n", @@ -1402,7 +1402,7 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter) mwifiex_dbg(adapter, DATA, "info: RECV DATA: Rd=%#x, Wr=%#x, Len=%d\n", card->rxbd_rdptr, wrptr, rx_len); - skb_pull(skb_data, INTF_HEADER_LEN); + skb_pull(skb_data, adapter->intf_hdr_len); if (adapter->rx_work_enabled) { skb_queue_tail(&adapter->rx_data_q, skb_data); adapter->data_received = true; @@ -1736,7 +1736,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) MWIFIEX_MAX_DELAY_COUNT); mwifiex_unmap_pci_memory(adapter, skb, PCI_DMA_FROMDEVICE); - skb_pull(skb, INTF_HEADER_LEN); + skb_pull(skb, adapter->intf_hdr_len); while (reg->sleep_cookie && (count++ < 10) && mwifiex_pcie_ok_to_access_hw(adapter)) usleep_range(50, 60); @@ -1749,12 +1749,12 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) } memcpy(adapter->upld_buf, skb->data, min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, skb->len)); - skb_push(skb, INTF_HEADER_LEN); + skb_push(skb, adapter->intf_hdr_len); if (mwifiex_map_pci_memory(adapter, skb, MWIFIEX_UPLD_SIZE, PCI_DMA_FROMDEVICE)) return -1; } else if (mwifiex_pcie_ok_to_access_hw(adapter)) { - skb_pull(skb, INTF_HEADER_LEN); + skb_pull(skb, adapter->intf_hdr_len); adapter->curr_cmd->resp_skb = skb; adapter->cmd_resp_received = true; /* Take the pointer and set it to CMD node and will @@ -1791,7 +1791,7 @@ static int mwifiex_pcie_cmdrsp_complete(struct mwifiex_adapter *adapter, if (skb) { card->cmdrsp_buf = skb; - skb_push(card->cmdrsp_buf, INTF_HEADER_LEN); + skb_push(card->cmdrsp_buf, adapter->intf_hdr_len); if (mwifiex_map_pci_memory(adapter, skb, MWIFIEX_UPLD_SIZE, PCI_DMA_FROMDEVICE)) return -1; @@ -1856,14 +1856,15 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter) desc = card->evtbd_ring[rdptr]; memset(desc, 0, sizeof(*desc)); - event = get_unaligned_le32(&skb_cmd->data[INTF_HEADER_LEN]); + event = get_unaligned_le32( + &skb_cmd->data[adapter->intf_hdr_len]); adapter->event_cause = event; /* The first 4bytes will be the event transfer header len is 2 bytes followed by type which is 2 bytes */ memcpy(&data_len, skb_cmd->data, sizeof(__le16)); evt_len = le16_to_cpu(data_len); skb_trim(skb_cmd, evt_len); - skb_pull(skb_cmd, INTF_HEADER_LEN); + skb_pull(skb_cmd, adapter->intf_hdr_len); mwifiex_dbg(adapter, EVENT, "info: Event length: %d\n", evt_len); @@ -1922,7 +1923,7 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter, } if (!card->evt_buf_list[rdptr]) { - skb_push(skb, INTF_HEADER_LEN); + skb_push(skb, adapter->intf_hdr_len); skb_put(skb, MAX_EVENT_SIZE - skb->len); if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE, diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c index d38d31b..f81a006 100644 --- a/drivers/net/wireless/marvell/mwifiex/sdio.c +++ b/drivers/net/wireless/marvell/mwifiex/sdio.c @@ -1125,7 +1125,7 @@ static void mwifiex_deaggr_sdio_pkt(struct mwifiex_adapter *adapter, data = skb->data; total_pkt_len = skb->len; - while (total_pkt_len >= (SDIO_HEADER_OFFSET + INTF_HEADER_LEN)) { + while (total_pkt_len >= (SDIO_HEADER_OFFSET + adapter->intf_hdr_len)) { if (total_pkt_len < adapter->sdio_rx_block_size) break; blk_num = *(data + BLOCK_NUMBER_OFFSET); @@ -1152,7 +1152,7 @@ static void mwifiex_deaggr_sdio_pkt(struct mwifiex_adapter *adapter, break; skb_put(skb_deaggr, pkt_len); memcpy(skb_deaggr->data, data + SDIO_HEADER_OFFSET, pkt_len); - skb_pull(skb_deaggr, INTF_HEADER_LEN); + skb_pull(skb_deaggr, adapter->intf_hdr_len); mwifiex_handle_rx_packet(adapter, skb_deaggr); data += blk_size; @@ -1178,7 +1178,7 @@ static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter, if (upld_typ != MWIFIEX_TYPE_AGGR_DATA) { skb_trim(skb, pkt_len); - skb_pull(skb, INTF_HEADER_LEN); + skb_pull(skb, adapter->intf_hdr_len); } switch (upld_typ) { @@ -1537,7 +1537,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) rx_len = card->mp_regs[reg->cmd_rd_len_1] << 8; rx_len |= (u16)card->mp_regs[reg->cmd_rd_len_0]; rx_blocks = DIV_ROUND_UP(rx_len, MWIFIEX_SDIO_BLOCK_SIZE); - if (rx_len <= INTF_HEADER_LEN || + if (rx_len <= adapter->intf_hdr_len || (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) > MWIFIEX_RX_DATA_BUF_SIZE) return -1; @@ -1635,7 +1635,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) rx_blocks = (rx_len + MWIFIEX_SDIO_BLOCK_SIZE - 1) / MWIFIEX_SDIO_BLOCK_SIZE; - if (rx_len <= INTF_HEADER_LEN || + if (rx_len <= adapter->intf_hdr_len || (card->mpa_rx.enabled && ((rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) > card->mpa_rx.buf_size))) { @@ -1896,7 +1896,7 @@ static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter, adapter->cmd_sent = true; /* Type must be MWIFIEX_TYPE_CMD */ - if (pkt_len <= INTF_HEADER_LEN || + if (pkt_len <= adapter->intf_hdr_len || pkt_len > MWIFIEX_UPLD_SIZE) mwifiex_dbg(adapter, ERROR, "%s: payload=%p, nb=%d\n", diff --git a/drivers/net/wireless/marvell/mwifiex/sta_tx.c b/drivers/net/wireless/marvell/mwifiex/sta_tx.c index f6683ea..620f865 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_tx.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_tx.c @@ -49,8 +49,7 @@ void *mwifiex_process_sta_txpd(struct mwifiex_private *priv, struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb); unsigned int pad; u16 pkt_type, pkt_offset; - int hroom = (priv->adapter->iface_type == MWIFIEX_USB) ? 0 : - INTF_HEADER_LEN; + int hroom = adapter->intf_hdr_len; if (!skb->len) { mwifiex_dbg(adapter, ERROR, @@ -116,7 +115,7 @@ void *mwifiex_process_sta_txpd(struct mwifiex_private *priv, local_tx_pd->tx_pkt_offset = cpu_to_le16(pkt_offset); - /* make space for INTF_HEADER_LEN */ + /* make space for adapter->intf_hdr_len */ skb_push(skb, hroom); if (!local_tx_pd->tx_control) @@ -165,8 +164,9 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags) memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; - tx_info->pkt_len = data_len - (sizeof(struct txpd) + INTF_HEADER_LEN); - skb_reserve(skb, sizeof(struct txpd) + INTF_HEADER_LEN); + tx_info->pkt_len = data_len - + (sizeof(struct txpd) + adapter->intf_hdr_len); + skb_reserve(skb, sizeof(struct txpd) + adapter->intf_hdr_len); skb_push(skb, sizeof(struct txpd)); local_tx_pd = (struct txpd *) skb->data; @@ -177,11 +177,11 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags) local_tx_pd->bss_num = priv->bss_num; local_tx_pd->bss_type = priv->bss_type; + skb_push(skb, adapter->intf_hdr_len); if (adapter->iface_type == MWIFIEX_USB) { ret = adapter->if_ops.host_to_card(adapter, priv->usb_port, skb, NULL); } else { - skb_push(skb, INTF_HEADER_LEN); tx_param.next_pkt_len = 0; ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, skb, &tx_param); diff --git a/drivers/net/wireless/marvell/mwifiex/txrx.c b/drivers/net/wireless/marvell/mwifiex/txrx.c index fac28bd..15e92af 100644 --- a/drivers/net/wireless/marvell/mwifiex/txrx.c +++ b/drivers/net/wireless/marvell/mwifiex/txrx.c @@ -91,7 +91,7 @@ int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb, struct mwifiex_sta_node *dest_node; struct ethhdr *hdr = (void *)skb->data; - hroom = (adapter->iface_type == MWIFIEX_USB) ? 0 : INTF_HEADER_LEN; + hroom = adapter->intf_hdr_len; if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) { dest_node = mwifiex_get_sta_entry(priv, hdr->h_dest); @@ -179,13 +179,8 @@ static int mwifiex_host_to_card(struct mwifiex_adapter *adapter, mwifiex_write_data_complete(adapter, skb, 0, 0); return ret; } - if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) { - if (adapter->iface_type == MWIFIEX_USB) - local_tx_pd = (struct txpd *)head_ptr; - else - local_tx_pd = (struct txpd *) (head_ptr + - INTF_HEADER_LEN); - } + if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) + local_tx_pd = (struct txpd *)(head_ptr + adapter->intf_hdr_len); if (adapter->iface_type == MWIFIEX_USB) { ret = adapter->if_ops.host_to_card(adapter, diff --git a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c index bf5660e..1e6a62c 100644 --- a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c +++ b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c @@ -468,8 +468,7 @@ void *mwifiex_process_uap_txpd(struct mwifiex_private *priv, struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb); int pad; u16 pkt_type, pkt_offset; - int hroom = (priv->adapter->iface_type == MWIFIEX_USB) ? 0 : - INTF_HEADER_LEN; + int hroom = adapter->intf_hdr_len; if (!skb->len) { mwifiex_dbg(adapter, ERROR, @@ -521,7 +520,7 @@ void *mwifiex_process_uap_txpd(struct mwifiex_private *priv, txpd->tx_pkt_offset = cpu_to_le16(pkt_offset); - /* make space for INTF_HEADER_LEN */ + /* make space for adapter->intf_hdr_len */ skb_push(skb, hroom); if (!txpd->tx_control) -- 1.9.1