diff options
author | Jakub Kicinski <kuba@kernel.org> | 2021-10-08 20:59:11 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-10-09 13:46:56 +0300 |
commit | ca87931755648655e4b57806deefe5c5d38024de (patch) | |
tree | 4ee653232bf9a57018bc9ea6bd7be98344e95cc5 | |
parent | a04436b27a93421634455455174e917dd63887c1 (diff) | |
download | linux-ca87931755648655e4b57806deefe5c5d38024de.tar.xz |
ethernet: tulip: remove direct netdev->dev_addr writes
Consify the casts of netdev->dev_addr.
Convert pointless to eth_hw_addr_set() where possible.
Use local buffers in a number of places.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/ethernet/dec/tulip/de2104x.c | 15 | ||||
-rw-r--r-- | drivers/net/ethernet/dec/tulip/de4x5.c | 35 | ||||
-rw-r--r-- | drivers/net/ethernet/dec/tulip/dmfe.c | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/dec/tulip/tulip_core.c | 37 | ||||
-rw-r--r-- | drivers/net/ethernet/dec/tulip/uli526x.c | 11 | ||||
-rw-r--r-- | drivers/net/ethernet/dec/tulip/xircom_cb.c | 4 |
6 files changed, 61 insertions, 50 deletions
diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c index 117c26fa5909..1e3c90c3c0ed 100644 --- a/drivers/net/ethernet/dec/tulip/de2104x.c +++ b/drivers/net/ethernet/dec/tulip/de2104x.c @@ -666,8 +666,8 @@ static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev) struct de_private *de = netdev_priv(dev); u16 hash_table[32]; struct netdev_hw_addr *ha; + const u16 *eaddrs; int i; - u16 *eaddrs; memset(hash_table, 0, sizeof(hash_table)); __set_bit_le(255, hash_table); /* Broadcast entry */ @@ -685,7 +685,7 @@ static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev) setup_frm = &de->setup_frame[13*6]; /* Fill the final entry with our physical address. */ - eaddrs = (u16 *)dev->dev_addr; + eaddrs = (const u16 *)dev->dev_addr; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; @@ -695,7 +695,7 @@ static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev) { struct de_private *de = netdev_priv(dev); struct netdev_hw_addr *ha; - u16 *eaddrs; + const u16 *eaddrs; /* We have <= 14 addresses so we can use the wonderful 16 address perfect filtering of the Tulip. */ @@ -710,7 +710,7 @@ static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev) setup_frm = &de->setup_frame[15*6]; /* Fill the final entry with our physical address. */ - eaddrs = (u16 *)dev->dev_addr; + eaddrs = (const u16 *)dev->dev_addr; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; @@ -1713,6 +1713,7 @@ static const struct ethtool_ops de_ethtool_ops = { static void de21040_get_mac_address(struct de_private *de) { + u8 addr[ETH_ALEN]; unsigned i; dw32 (ROMCmd, 0); /* Reset the pointer with a dummy write. */ @@ -1724,12 +1725,13 @@ static void de21040_get_mac_address(struct de_private *de) value = dr32(ROMCmd); rmb(); } while (value < 0 && --boguscnt > 0); - de->dev->dev_addr[i] = value; + addr[i] = value; udelay(1); if (boguscnt <= 0) pr_warn("timeout reading 21040 MAC address byte %u\n", i); } + eth_hw_addr_set(de->dev, addr); } static void de21040_get_media_info(struct de_private *de) @@ -1821,8 +1823,7 @@ static void de21041_get_srom_info(struct de_private *de) #endif /* store MAC address */ - for (i = 0; i < 6; i ++) - de->dev->dev_addr[i] = ee_data[i + sa_offset]; + eth_hw_addr_set(de->dev, &ee_data[i + sa_offset]); /* get offset of controller 0 info leaf. ignore 2nd byte. */ ofs = ee_data[SROMC0InfoLeaf]; diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c index 36ab4cbf2ad0..13121c4dcfe6 100644 --- a/drivers/net/ethernet/dec/tulip/de4x5.c +++ b/drivers/net/ethernet/dec/tulip/de4x5.c @@ -4031,6 +4031,7 @@ get_hw_addr(struct net_device *dev) int broken, i, k, tmp, status = 0; u_short j,chksum; struct de4x5_private *lp = netdev_priv(dev); + u8 addr[ETH_ALEN]; broken = de4x5_bad_srom(lp); @@ -4042,28 +4043,30 @@ get_hw_addr(struct net_device *dev) if (lp->chipset == DC21040) { while ((tmp = inl(DE4X5_APROM)) < 0); k += (u_char) tmp; - dev->dev_addr[i++] = (u_char) tmp; + addr[i++] = (u_char) tmp; while ((tmp = inl(DE4X5_APROM)) < 0); k += (u_short) (tmp << 8); - dev->dev_addr[i++] = (u_char) tmp; + addr[i++] = (u_char) tmp; } else if (!broken) { - dev->dev_addr[i] = (u_char) lp->srom.ieee_addr[i]; i++; - dev->dev_addr[i] = (u_char) lp->srom.ieee_addr[i]; i++; + addr[i] = (u_char) lp->srom.ieee_addr[i]; i++; + addr[i] = (u_char) lp->srom.ieee_addr[i]; i++; } else if ((broken == SMC) || (broken == ACCTON)) { - dev->dev_addr[i] = *((u_char *)&lp->srom + i); i++; - dev->dev_addr[i] = *((u_char *)&lp->srom + i); i++; + addr[i] = *((u_char *)&lp->srom + i); i++; + addr[i] = *((u_char *)&lp->srom + i); i++; } } else { k += (u_char) (tmp = inb(EISA_APROM)); - dev->dev_addr[i++] = (u_char) tmp; + addr[i++] = (u_char) tmp; k += (u_short) ((tmp = inb(EISA_APROM)) << 8); - dev->dev_addr[i++] = (u_char) tmp; + addr[i++] = (u_char) tmp; } if (k > 0xffff) k-=0xffff; } if (k == 0xffff) k=0; + eth_hw_addr_set(dev, addr); + if (lp->bus == PCI) { if (lp->chipset == DC21040) { while ((tmp = inl(DE4X5_APROM)) < 0); @@ -4095,8 +4098,9 @@ get_hw_addr(struct net_device *dev) int x = dev->dev_addr[i]; x = ((x & 0xf) << 4) + ((x & 0xf0) >> 4); x = ((x & 0x33) << 2) + ((x & 0xcc) >> 2); - dev->dev_addr[i] = ((x & 0x55) << 1) + ((x & 0xaa) >> 1); + addr[i] = ((x & 0x55) << 1) + ((x & 0xaa) >> 1); } + eth_hw_addr_set(dev, addr); } #endif /* CONFIG_PPC_PMAC */ @@ -4158,12 +4162,9 @@ test_bad_enet(struct net_device *dev, int status) if ((tmp == 0) || (tmp == 0x5fa)) { if ((lp->chipset == last.chipset) && (lp->bus_num == last.bus) && (lp->bus_num > 0)) { - for (i=0; i<ETH_ALEN; i++) dev->dev_addr[i] = last.addr[i]; - for (i=ETH_ALEN-1; i>2; --i) { - dev->dev_addr[i] += 1; - if (dev->dev_addr[i] != 0) break; - } - for (i=0; i<ETH_ALEN; i++) last.addr[i] = dev->dev_addr[i]; + eth_addr_inc(last.addr); + eth_hw_addr_set(dev, last.addr); + if (!an_exception(lp)) { dev->irq = last.irq; } @@ -5391,9 +5392,7 @@ de4x5_siocdevprivate(struct net_device *dev, struct ifreq *rq, void __user *data if (netif_queue_stopped(dev)) return -EBUSY; netif_stop_queue(dev); - for (i=0; i<ETH_ALEN; i++) { - dev->dev_addr[i] = tmp.addr[i]; - } + eth_hw_addr_set(dev, tmp.addr); build_setup_frame(dev, PHYS_ADDR_ONLY); /* Set up the descriptor and give ownership to the card */ load_packet(dev, lp->setup_frame, TD_IC | PERFECT_F | TD_SET | diff --git a/drivers/net/ethernet/dec/tulip/dmfe.c b/drivers/net/ethernet/dec/tulip/dmfe.c index c763b692e164..6e64ff20a378 100644 --- a/drivers/net/ethernet/dec/tulip/dmfe.c +++ b/drivers/net/ethernet/dec/tulip/dmfe.c @@ -476,8 +476,7 @@ static int dmfe_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } /* Set Node address */ - for (i = 0; i < 6; i++) - dev->dev_addr[i] = db->srom[20 + i]; + eth_hw_addr_set(dev, &db->srom[20 + i]); err = register_netdev (dev); if (err) @@ -1436,9 +1435,9 @@ static void update_cr6(u32 cr6_data, void __iomem *ioaddr) static void dm9132_id_table(struct net_device *dev) { + const u16 *addrptr = (const u16 *)dev->dev_addr; struct dmfe_board_info *db = netdev_priv(dev); void __iomem *ioaddr = db->ioaddr + 0xc0; - u16 *addrptr = (u16 *)dev->dev_addr; struct netdev_hw_addr *ha; u16 i, hash_table[4]; @@ -1477,7 +1476,7 @@ static void send_filter_frame(struct net_device *dev) struct dmfe_board_info *db = netdev_priv(dev); struct netdev_hw_addr *ha; struct tx_desc *txptr; - u16 * addrptr; + const u16 * addrptr; u32 * suptr; int i; @@ -1487,7 +1486,7 @@ static void send_filter_frame(struct net_device *dev) suptr = (u32 *) txptr->tx_buf_ptr; /* Node address */ - addrptr = (u16 *) dev->dev_addr; + addrptr = (const u16 *) dev->dev_addr; *suptr++ = addrptr[0]; *suptr++ = addrptr[1]; *suptr++ = addrptr[2]; diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index 1ba6452c0683..ec0ce8f1beea 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -339,7 +339,7 @@ static void tulip_up(struct net_device *dev) } } else { /* This is set_rx_mode(), but without starting the transmitter. */ - u16 *eaddrs = (u16 *)dev->dev_addr; + const u16 *eaddrs = (const u16 *)dev->dev_addr; u16 *setup_frm = &tp->setup_frame[15*6]; dma_addr_t mapping; @@ -1001,8 +1001,8 @@ static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev) struct tulip_private *tp = netdev_priv(dev); u16 hash_table[32]; struct netdev_hw_addr *ha; + const u16 *eaddrs; int i; - u16 *eaddrs; memset(hash_table, 0, sizeof(hash_table)); __set_bit_le(255, hash_table); /* Broadcast entry */ @@ -1019,7 +1019,7 @@ static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev) setup_frm = &tp->setup_frame[13*6]; /* Fill the final entry with our physical address. */ - eaddrs = (u16 *)dev->dev_addr; + eaddrs = (const u16 *)dev->dev_addr; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; @@ -1029,7 +1029,7 @@ static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev) { struct tulip_private *tp = netdev_priv(dev); struct netdev_hw_addr *ha; - u16 *eaddrs; + const u16 *eaddrs; /* We have <= 14 addresses so we can use the wonderful 16 address perfect filtering of the Tulip. */ @@ -1044,7 +1044,7 @@ static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev) setup_frm = &tp->setup_frame[15*6]; /* Fill the final entry with our physical address. */ - eaddrs = (u16 *)dev->dev_addr; + eaddrs = (const u16 *)dev->dev_addr; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; @@ -1305,6 +1305,7 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) int chip_idx = ent->driver_data; const char *chip_name = tulip_tbl[chip_idx].chip_name; unsigned int eeprom_missing = 0; + u8 addr[ETH_ALEN] __aligned(2); unsigned int force_csr0 = 0; board_idx++; @@ -1506,13 +1507,15 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) do { value = ioread32(ioaddr + CSR9); } while (value < 0 && --boguscnt > 0); - put_unaligned_le16(value, ((__le16 *)dev->dev_addr) + i); + put_unaligned_le16(value, ((__le16 *)addr) + i); sum += value & 0xffff; } + eth_hw_addr_set(dev, addr); } else if (chip_idx == COMET) { /* No need to read the EEPROM. */ - put_unaligned_le32(ioread32(ioaddr + 0xA4), dev->dev_addr); - put_unaligned_le16(ioread32(ioaddr + 0xA8), dev->dev_addr + 4); + put_unaligned_le32(ioread32(ioaddr + 0xA4), addr); + put_unaligned_le16(ioread32(ioaddr + 0xA8), addr + 4); + eth_hw_addr_set(dev, addr); for (i = 0; i < 6; i ++) sum += dev->dev_addr[i]; } else { @@ -1575,20 +1578,23 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) #endif for (i = 0; i < 6; i ++) { - dev->dev_addr[i] = ee_data[i + sa_offset]; + addr[i] = ee_data[i + sa_offset]; sum += ee_data[i + sa_offset]; } + eth_hw_addr_set(dev, addr); } /* Lite-On boards have the address byte-swapped. */ if ((dev->dev_addr[0] == 0xA0 || dev->dev_addr[0] == 0xC0 || dev->dev_addr[0] == 0x02) && - dev->dev_addr[1] == 0x00) + dev->dev_addr[1] == 0x00) { for (i = 0; i < 6; i+=2) { - char tmp = dev->dev_addr[i]; - dev->dev_addr[i] = dev->dev_addr[i+1]; - dev->dev_addr[i+1] = tmp; + addr[i] = dev->dev_addr[i+1]; + addr[i+1] = dev->dev_addr[i]; } + eth_hw_addr_set(dev, addr); + } + /* On the Zynx 315 Etherarray and other multiport boards only the first Tulip has an EEPROM. On Sparc systems the mac address is held in the OBP property @@ -1604,8 +1610,9 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) #endif eeprom_missing = 1; for (i = 0; i < 5; i++) - dev->dev_addr[i] = last_phys_addr[i]; - dev->dev_addr[i] = last_phys_addr[i] + 1; + addr[i] = last_phys_addr[i]; + addr[i] = last_phys_addr[i] + 1; + eth_hw_addr_set(dev, addr); #if defined(CONFIG_SPARC) addr = of_get_property(dp, "local-mac-address", &len); if (addr && len == ETH_ALEN) diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c index d67ef7d02d6b..77d9058431e3 100644 --- a/drivers/net/ethernet/dec/tulip/uli526x.c +++ b/drivers/net/ethernet/dec/tulip/uli526x.c @@ -272,6 +272,7 @@ static int uli526x_init_one(struct pci_dev *pdev, struct uli526x_board_info *db; /* board information structure */ struct net_device *dev; void __iomem *ioaddr; + u8 addr[ETH_ALEN]; int i, err; ULI526X_DBUG(0, "uli526x_init_one()", 0); @@ -379,7 +380,7 @@ static int uli526x_init_one(struct pci_dev *pdev, uw32(DCR13, 0x1b0); //Select ID Table access port //Read MAC address from CR14 for (i = 0; i < 6; i++) - dev->dev_addr[i] = ur32(DCR14); + addr[i] = ur32(DCR14); //Read end uw32(DCR13, 0); //Clear CR13 uw32(DCR0, 0); //Clear CR0 @@ -388,8 +389,10 @@ static int uli526x_init_one(struct pci_dev *pdev, else /*Exist SROM*/ { for (i = 0; i < 6; i++) - dev->dev_addr[i] = db->srom[20 + i]; + addr[i] = db->srom[20 + i]; } + eth_hw_addr_set(dev, addr); + err = register_netdev (dev); if (err) goto err_out_unmap; @@ -1343,7 +1346,7 @@ static void send_filter_frame(struct net_device *dev, int mc_cnt) void __iomem *ioaddr = db->ioaddr; struct netdev_hw_addr *ha; struct tx_desc *txptr; - u16 * addrptr; + const u16 * addrptr; u32 * suptr; int i; @@ -1353,7 +1356,7 @@ static void send_filter_frame(struct net_device *dev, int mc_cnt) suptr = (u32 *) txptr->tx_buf_ptr; /* Node address */ - addrptr = (u16 *) dev->dev_addr; + addrptr = (const u16 *) dev->dev_addr; *suptr++ = addrptr[0] << FLT_SHIFT; *suptr++ = addrptr[1] << FLT_SHIFT; *suptr++ = addrptr[2] << FLT_SHIFT; diff --git a/drivers/net/ethernet/dec/tulip/xircom_cb.c b/drivers/net/ethernet/dec/tulip/xircom_cb.c index a8de79355578..8759f9f76b62 100644 --- a/drivers/net/ethernet/dec/tulip/xircom_cb.c +++ b/drivers/net/ethernet/dec/tulip/xircom_cb.c @@ -1015,12 +1015,14 @@ static void read_mac_address(struct xircom_private *card) xw32(CSR10, i + 3); data_count = xr32(CSR9); if ((tuple == 0x22) && (data_id == 0x04) && (data_count == 0x06)) { + u8 addr[ETH_ALEN]; int j; for (j = 0; j < 6; j++) { xw32(CSR10, i + j + 4); - card->dev->dev_addr[j] = xr32(CSR9) & 0xff; + addr[j] = xr32(CSR9) & 0xff; } + eth_hw_addr_set(card->dev, addr); break; } else if (link == 0) { break; |