Return-path: Received: from mail-iy0-f174.google.com ([209.85.210.174]:61640 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752885Ab2H2V1s (ORCPT ); Wed, 29 Aug 2012 17:27:48 -0400 Received: by ialo24 with SMTP id o24so2003132ial.19 for ; Wed, 29 Aug 2012 14:27:47 -0700 (PDT) Message-ID: <503E8789.6050809@lwfinger.net> (sfid-20120829_232830_994572_2327E826) Date: Wed, 29 Aug 2012 16:20:09 -0500 From: Larry Finger MIME-Version: 1.0 To: Malcolm Priestley CC: netdev@vger.kernel.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH] vt6656: [BUG] - Failed connection, incorrect endian. v2 References: <1346273644.2077.3.camel@router7789> In-Reply-To: <1346273644.2077.3.camel@router7789> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 08/29/2012 03:54 PM, Malcolm Priestley wrote: > > This patch fixes a bug with driver failing to negotiate a connection. > > The bug was traced to commit > 203e4615ee9d9fa8d3506b9d0ef30095e4d5bc90 > staging: vt6656: removed custom definitions of Ethernet packet types > > In that patch, definitions in include/linux/if_ether.h replaced ones > in tether.h which had both big and little endian definitions. > > include/linux/if_ether.h only refers to big endian values, cpu_to_be16 > should be used for the correct endian architectures. > > checkpatch fixed version. > > Signed-off-by: Malcolm Priestley Patches for staging drivers should be sent to gregkh@linuxfoundation.org. He is the one that handles them. In addition, the patch subject line usually has the sequence "staging: vt6656: blabla" the way the faulty patch did. > --- > drivers/staging/vt6656/dpc.c | 2 +- > drivers/staging/vt6656/rxtx.c | 38 +++++++++++++++++++------------------- > 2 files changed, 20 insertions(+), 20 deletions(-) > > diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c > index e4bdf2a..3aa895e 100644 > --- a/drivers/staging/vt6656/dpc.c > +++ b/drivers/staging/vt6656/dpc.c > @@ -200,7 +200,7 @@ s_vProcessRxMACHeader ( > } else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) { > cbHeaderSize += 6; > pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); > - if ((*pwType == cpu_to_le16(ETH_P_IPX)) || > + if ((*pwType == cpu_to_be16(ETH_P_IPX)) || > (*pwType == cpu_to_le16(0xF380))) { > cbHeaderSize -= 8; > pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); > diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c > index bb46452..b6e04e7 100644 > --- a/drivers/staging/vt6656/rxtx.c > +++ b/drivers/staging/vt6656/rxtx.c > @@ -1699,7 +1699,7 @@ s_bPacketToWirelessUsb( > // 802.1H > if (ntohs(psEthHeader->wType) > ETH_DATA_LEN) { > if (pDevice->dwDiagRefCount == 0) { > - if ((psEthHeader->wType == cpu_to_le16(ETH_P_IPX)) || > + if ((psEthHeader->wType == cpu_to_be16(ETH_P_IPX)) || > (psEthHeader->wType == cpu_to_le16(0xF380))) { > memcpy((PBYTE) (pbyPayloadHead), > abySNAP_Bridgetunnel, 6); > @@ -2838,10 +2838,10 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) > Packet_Type = skb->data[ETH_HLEN+1]; > Descriptor_type = skb->data[ETH_HLEN+1+1+2]; > Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]); > - if (pDevice->sTxEthHeader.wType == cpu_to_le16(ETH_P_PAE)) { > - /* 802.1x OR eapol-key challenge frame transfer */ > - if (((Protocol_Version == 1) || (Protocol_Version == 2)) && > - (Packet_Type == 3)) { > + if (pDevice->sTxEthHeader.wType == cpu_to_be16(ETH_P_PAE)) { > + /* 802.1x OR eapol-key challenge frame transfer */ > + if (((Protocol_Version == 1) || (Protocol_Version == 2)) && > + (Packet_Type == 3)) { > bTxeapol_key = TRUE; > if(!(Key_info & BIT3) && //WPA or RSN group-key challenge > (Key_info & BIT8) && (Key_info & BIT9)) { //send 2/2 key > @@ -2987,19 +2987,19 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) > } > } > > - if (pDevice->sTxEthHeader.wType == cpu_to_le16(ETH_P_PAE)) { > - if (pDevice->byBBType != BB_TYPE_11A) { > - pDevice->wCurrentRate = RATE_1M; > - pDevice->byACKRate = RATE_1M; > - pDevice->byTopCCKBasicRate = RATE_1M; > - pDevice->byTopOFDMBasicRate = RATE_6M; > - } else { > - pDevice->wCurrentRate = RATE_6M; > - pDevice->byACKRate = RATE_6M; > - pDevice->byTopCCKBasicRate = RATE_1M; > - pDevice->byTopOFDMBasicRate = RATE_6M; > - } > - } > + if (pDevice->sTxEthHeader.wType == cpu_to_be16(ETH_P_PAE)) { > + if (pDevice->byBBType != BB_TYPE_11A) { > + pDevice->wCurrentRate = RATE_1M; > + pDevice->byACKRate = RATE_1M; > + pDevice->byTopCCKBasicRate = RATE_1M; > + pDevice->byTopOFDMBasicRate = RATE_6M; > + } else { > + pDevice->wCurrentRate = RATE_6M; > + pDevice->byACKRate = RATE_6M; > + pDevice->byTopCCKBasicRate = RATE_1M; > + pDevice->byTopOFDMBasicRate = RATE_6M; > + } > + } > > DBG_PRT(MSG_LEVEL_DEBUG, > KERN_INFO "dma_tx: pDevice->wCurrentRate = %d\n", > @@ -3015,7 +3015,7 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) > > if (bNeedEncryption == TRUE) { > DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ntohs Pkt Type=%04x\n", ntohs(pDevice->sTxEthHeader.wType)); > - if ((pDevice->sTxEthHeader.wType) == cpu_to_le16(ETH_P_PAE)) { > + if ((pDevice->sTxEthHeader.wType) == cpu_to_be16(ETH_P_PAE)) { > bNeedEncryption = FALSE; > DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Pkt Type=%04x\n", (pDevice->sTxEthHeader.wType)); > if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { > The white space looks a bit funny; however, it seems that this driver does not use tabs at the start, and your patch does. Larry