From: Al Viro Date: Sat, 22 Dec 2007 19:44:29 +0000 (+0000) Subject: qla3xxx annotations X-Git-Tag: v2.6.25-rc1~1162^2~281 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=804d8541d217f73a6543baac937cf65b8b4de850;p=karo-tx-linux.git qla3xxx annotations stop the byteswap-in-place, annotate Signed-off-by: Al Viro Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c index 00f2fddff1f2..a6aeb9d60443 100644 --- a/drivers/net/qla3xxx.c +++ b/drivers/net/qla3xxx.c @@ -540,20 +540,12 @@ static void eeprom_readword(struct ql3_adapter *qdev, fm93c56a_deselect(qdev); } -static void ql_swap_mac_addr(u8 * macAddress) -{ -#ifdef __BIG_ENDIAN - u8 temp; - temp = macAddress[0]; - macAddress[0] = macAddress[1]; - macAddress[1] = temp; - temp = macAddress[2]; - macAddress[2] = macAddress[3]; - macAddress[3] = temp; - temp = macAddress[4]; - macAddress[4] = macAddress[5]; - macAddress[5] = temp; -#endif +static void ql_set_mac_addr(struct net_device *ndev, u16 *addr) +{ + __le16 *p = (__le16 *)ndev->dev_addr; + p[0] = cpu_to_le16(addr[0]); + p[1] = cpu_to_le16(addr[1]); + p[2] = cpu_to_le16(addr[2]); } static int ql_get_nvram_params(struct ql3_adapter *qdev) @@ -590,18 +582,6 @@ static int ql_get_nvram_params(struct ql3_adapter *qdev) return -1; } - /* - * We have a problem with endianness for the MAC addresses - * and the two 8-bit values version, and numPorts. We - * have to swap them on big endian systems. - */ - ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn0.macAddress); - ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn1.macAddress); - ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn2.macAddress); - ql_swap_mac_addr(qdev->nvram_data.funcCfg_fn3.macAddress); - pEEPROMData = (u16 *) & qdev->nvram_data.version; - *pEEPROMData = le16_to_cpu(*pEEPROMData); - spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); return checksum; } @@ -3035,7 +3015,7 @@ static int ql_alloc_mem_resources(struct ql3_adapter *qdev) LS_64BITS(qdev->shadow_reg_phy_addr); qdev->prsp_producer_index = - (u32 *) (((u8 *) qdev->preq_consumer_index) + 8); + (__le32 *) (((u8 *) qdev->preq_consumer_index) + 8); qdev->rsp_producer_index_phy_addr_high = qdev->req_consumer_index_phy_addr_high; qdev->rsp_producer_index_phy_addr_low = @@ -3215,7 +3195,7 @@ static int ql_adapter_initialize(struct ql3_adapter *qdev) ql_write_page1_reg(qdev, &hmem_regs->reqLength, NUM_REQ_Q_ENTRIES); /* Response Queue Registers */ - *((u16 *) (qdev->prsp_producer_index)) = 0; + *((__le16 *) (qdev->prsp_producer_index)) = 0; qdev->rsp_consumer_index = 0; qdev->rsp_current = qdev->rsp_q_virt_addr; @@ -3548,7 +3528,7 @@ static void ql_set_mac_info(struct ql3_adapter *qdev) qdev->ndev->name,value); break; } - qdev->numPorts = qdev->nvram_data.numPorts; + qdev->numPorts = qdev->nvram_data.version_and_numPorts >> 8; } static void ql_display_dev_info(struct net_device *ndev) @@ -4051,12 +4031,10 @@ static int __devinit ql3xxx_probe(struct pci_dev *pdev, /* Validate and set parameters */ if (qdev->mac_index) { ndev->mtu = qdev->nvram_data.macCfg_port1.etherMtu_mac ; - memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn2.macAddress, - ETH_ALEN); + ql_set_mac_addr(ndev, qdev->nvram_data.funcCfg_fn2.macAddress); } else { ndev->mtu = qdev->nvram_data.macCfg_port0.etherMtu_mac ; - memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn0.macAddress, - ETH_ALEN); + ql_set_mac_addr(ndev, qdev->nvram_data.funcCfg_fn0.macAddress); } memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len); diff --git a/drivers/net/qla3xxx.h b/drivers/net/qla3xxx.h index d0ffb30ef371..58a086fddec6 100644 --- a/drivers/net/qla3xxx.h +++ b/drivers/net/qla3xxx.h @@ -50,7 +50,7 @@ struct ob_mac_iocb_req { #define OB_3032MAC_IOCB_REQ_UC 0x01 u8 reserved0; - __le32 transaction_id; + u32 transaction_id; /* opaque for hardware */ __le16 data_len; u8 ip_hdr_off; u8 ip_hdr_len; @@ -86,7 +86,7 @@ struct ob_mac_iocb_rsp { #define OB_MAC_IOCB_RSP_I 0x01 __le16 reserved0; - __le32 transaction_id; + u32 transaction_id; /* opaque for hardware */ __le32 reserved1; __le32 reserved2; }; @@ -953,8 +953,8 @@ struct eeprom_bios_cfg { */ struct eeprom_function_cfg { u8 reserved[30]; - u8 macAddress[6]; - u8 macAddressSecondary[6]; + u16 macAddress[3]; + u16 macAddressSecondary[3]; u16 subsysVendorId; u16 subsysDeviceId; @@ -965,8 +965,7 @@ struct eeprom_function_cfg { */ struct eeprom_data { u8 asicId[4]; - u8 version; - u8 numPorts; + u16 version_and_numPorts; /* together to avoid endianness crap */ u16 boardId; #define EEPROM_BOARDID_STR_SIZE 16 @@ -1056,31 +1055,31 @@ struct eeprom_data { */ struct lrg_buf_q_entry { - u32 addr0_lower; + __le32 addr0_lower; #define IAL_LAST_ENTRY 0x00000001 #define IAL_CONT_ENTRY 0x00000002 #define IAL_FLAG_MASK 0x00000003 - u32 addr0_upper; - u32 addr1_lower; - u32 addr1_upper; - u32 addr2_lower; - u32 addr2_upper; - u32 addr3_lower; - u32 addr3_upper; - u32 addr4_lower; - u32 addr4_upper; - u32 addr5_lower; - u32 addr5_upper; - u32 addr6_lower; - u32 addr6_upper; - u32 addr7_lower; - u32 addr7_upper; + __le32 addr0_upper; + __le32 addr1_lower; + __le32 addr1_upper; + __le32 addr2_lower; + __le32 addr2_upper; + __le32 addr3_lower; + __le32 addr3_upper; + __le32 addr4_lower; + __le32 addr4_upper; + __le32 addr5_lower; + __le32 addr5_upper; + __le32 addr6_lower; + __le32 addr6_upper; + __le32 addr7_lower; + __le32 addr7_upper; }; struct bufq_addr_element { - u32 addr_low; - u32 addr_high; + __le32 addr_low; + __le32 addr_high; }; #define QL_NO_RESET 0 @@ -1116,9 +1115,9 @@ struct ql_rcv_buf_cb { #define MAX_OAL_CNT ((MAX_SKB_FRAGS-1)/4 + 1) struct oal_entry { - u32 dma_lo; - u32 dma_hi; - u32 len; + __le32 dma_lo; + __le32 dma_hi; + __le32 len; #define OAL_LAST_ENTRY 0x80000000 /* Last valid buffer in list. */ #define OAL_CONT_ENTRY 0x40000000 /* points to an OAL. (continuation) */ }; @@ -1223,7 +1222,7 @@ struct ql3_adapter { struct net_rsp_iocb *rsp_current; u16 rsp_consumer_index; u16 reserved_06; - volatile u32 *prsp_producer_index; + volatile __le32 *prsp_producer_index; u32 rsp_producer_index_phy_addr_high; u32 rsp_producer_index_phy_addr_low;