CAN: add controller hardware name for Softing cards
[linux-2.6.git] / drivers / net / niu.c
index 340cbec..9fb59d3 100644 (file)
 #include <linux/slab.h>
 
 #include <linux/io.h>
-
-#ifdef CONFIG_SPARC64
 #include <linux/of_device.h>
-#endif
 
 #include "niu.h"
 
@@ -286,7 +283,7 @@ static int niu_enable_interrupts(struct niu *np, int on)
 
 static u32 phy_encode(u32 type, int port)
 {
-       return (type << (port * 2));
+       return type << (port * 2);
 }
 
 static u32 phy_decode(u32 val, int port)
@@ -3046,8 +3043,7 @@ static int tcam_flush_all(struct niu *np)
 
 static u64 hash_addr_regval(unsigned long index, unsigned long num_entries)
 {
-       return ((u64)index | (num_entries == 1 ?
-                             HASH_TBL_ADDR_AUTOINC : 0));
+       return (u64)index | (num_entries == 1 ? HASH_TBL_ADDR_AUTOINC : 0);
 }
 
 #if 0
@@ -3279,7 +3275,7 @@ static u16 tcam_get_index(struct niu *np, u16 idx)
        /* One entry reserved for IP fragment rule */
        if (idx >= (np->clas.tcam_sz - 1))
                idx = 0;
-       return (np->clas.tcam_top + ((idx+1) * np->parent->num_ports));
+       return np->clas.tcam_top + ((idx+1) * np->parent->num_ports);
 }
 
 static u16 tcam_get_size(struct niu *np)
@@ -3316,7 +3312,7 @@ static unsigned int niu_hash_rxaddr(struct rx_ring_info *rp, u64 a)
        a >>= PAGE_SHIFT;
        a ^= (a >> ilog2(MAX_RBR_RING_SIZE));
 
-       return (a & (MAX_RBR_RING_SIZE - 1));
+       return a & (MAX_RBR_RING_SIZE - 1);
 }
 
 static struct page *niu_find_rxpage(struct rx_ring_info *rp, u64 addr,
@@ -3487,7 +3483,7 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
                                     RCR_ENTRY_ERROR)))
                                skb->ip_summed = CHECKSUM_UNNECESSARY;
                        else
-                               skb->ip_summed = CHECKSUM_NONE;
+                               skb_checksum_none_assert(skb);
                } else if (!(val & RCR_ENTRY_MULTI))
                        append_size = len - skb->len;
 
@@ -4493,6 +4489,9 @@ static int niu_alloc_channels(struct niu *np)
 {
        struct niu_parent *parent = np->parent;
        int first_rx_channel, first_tx_channel;
+       int num_rx_rings, num_tx_rings;
+       struct rx_ring_info *rx_rings;
+       struct tx_ring_info *tx_rings;
        int i, port, err;
 
        port = np->port;
@@ -4502,17 +4501,21 @@ static int niu_alloc_channels(struct niu *np)
                first_tx_channel += parent->txchan_per_port[i];
        }
 
-       np->num_rx_rings = parent->rxchan_per_port[port];
-       np->num_tx_rings = parent->txchan_per_port[port];
+       num_rx_rings = parent->rxchan_per_port[port];
+       num_tx_rings = parent->txchan_per_port[port];
 
-       np->dev->real_num_tx_queues = np->num_tx_rings;
-
-       np->rx_rings = kzalloc(np->num_rx_rings * sizeof(struct rx_ring_info),
-                              GFP_KERNEL);
+       rx_rings = kcalloc(num_rx_rings, sizeof(struct rx_ring_info),
+                          GFP_KERNEL);
        err = -ENOMEM;
-       if (!np->rx_rings)
+       if (!rx_rings)
                goto out_err;
 
+       np->num_rx_rings = num_rx_rings;
+       smp_wmb();
+       np->rx_rings = rx_rings;
+
+       netif_set_real_num_rx_queues(np->dev, num_rx_rings);
+
        for (i = 0; i < np->num_rx_rings; i++) {
                struct rx_ring_info *rp = &np->rx_rings[i];
 
@@ -4541,12 +4544,18 @@ static int niu_alloc_channels(struct niu *np)
                        return err;
        }
 
-       np->tx_rings = kzalloc(np->num_tx_rings * sizeof(struct tx_ring_info),
-                              GFP_KERNEL);
+       tx_rings = kcalloc(num_tx_rings, sizeof(struct tx_ring_info),
+                          GFP_KERNEL);
        err = -ENOMEM;
-       if (!np->tx_rings)
+       if (!tx_rings)
                goto out_err;
 
+       np->num_tx_rings = num_tx_rings;
+       smp_wmb();
+       np->tx_rings = tx_rings;
+
+       netif_set_real_num_tx_queues(np->dev, num_tx_rings);
+
        for (i = 0; i < np->num_tx_rings; i++) {
                struct tx_ring_info *rp = &np->tx_rings[i];
 
@@ -6249,11 +6258,17 @@ static void niu_sync_mac_stats(struct niu *np)
 static void niu_get_rx_stats(struct niu *np)
 {
        unsigned long pkts, dropped, errors, bytes;
+       struct rx_ring_info *rx_rings;
        int i;
 
        pkts = dropped = errors = bytes = 0;
+
+       rx_rings = ACCESS_ONCE(np->rx_rings);
+       if (!rx_rings)
+               goto no_rings;
+
        for (i = 0; i < np->num_rx_rings; i++) {
-               struct rx_ring_info *rp = &np->rx_rings[i];
+               struct rx_ring_info *rp = &rx_rings[i];
 
                niu_sync_rx_discard_stats(np, rp, 0);
 
@@ -6262,6 +6277,8 @@ static void niu_get_rx_stats(struct niu *np)
                dropped += rp->rx_dropped;
                errors += rp->rx_errors;
        }
+
+no_rings:
        np->dev->stats.rx_packets = pkts;
        np->dev->stats.rx_bytes = bytes;
        np->dev->stats.rx_dropped = dropped;
@@ -6271,16 +6288,24 @@ static void niu_get_rx_stats(struct niu *np)
 static void niu_get_tx_stats(struct niu *np)
 {
        unsigned long pkts, errors, bytes;
+       struct tx_ring_info *tx_rings;
        int i;
 
        pkts = errors = bytes = 0;
+
+       tx_rings = ACCESS_ONCE(np->tx_rings);
+       if (!tx_rings)
+               goto no_rings;
+
        for (i = 0; i < np->num_tx_rings; i++) {
-               struct tx_ring_info *rp = &np->tx_rings[i];
+               struct tx_ring_info *rp = &tx_rings[i];
 
                pkts += rp->tx_packets;
                bytes += rp->tx_bytes;
                errors += rp->tx_errors;
        }
+
+no_rings:
        np->dev->stats.tx_packets = pkts;
        np->dev->stats.tx_bytes = bytes;
        np->dev->stats.tx_errors = errors;
@@ -6290,9 +6315,10 @@ static struct net_device_stats *niu_get_stats(struct net_device *dev)
 {
        struct niu *np = netdev_priv(dev);
 
-       niu_get_rx_stats(np);
-       niu_get_tx_stats(np);
-
+       if (netif_running(dev)) {
+               niu_get_rx_stats(np);
+               niu_get_tx_stats(np);
+       }
        return &dev->stats;
 }
 
@@ -6592,7 +6618,7 @@ static u64 niu_compute_tx_flags(struct sk_buff *skb, struct ethhdr *ehdr,
                             (ip_proto == IPPROTO_UDP ?
                              TXHDR_CSUM_UDP : TXHDR_CSUM_SCTP));
 
-               start = skb_transport_offset(skb) -
+               start = skb_checksum_start_offset(skb) -
                        (pad_bytes + sizeof(struct tx_pkt_hdr));
                stuff = start + skb->csum_offset;
 
@@ -7093,24 +7119,20 @@ static int niu_get_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc)
 static void niu_get_ip4fs_from_tcam_key(struct niu_tcam_entry *tp,
                                        struct ethtool_rx_flow_spec *fsp)
 {
+       u32 tmp;
+       u16 prt;
+
+       tmp = (tp->key[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT;
+       fsp->h_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp);
 
-       fsp->h_u.tcp_ip4_spec.ip4src = (tp->key[3] & TCAM_V4KEY3_SADDR) >>
-               TCAM_V4KEY3_SADDR_SHIFT;
-       fsp->h_u.tcp_ip4_spec.ip4dst = (tp->key[3] & TCAM_V4KEY3_DADDR) >>
-               TCAM_V4KEY3_DADDR_SHIFT;
-       fsp->m_u.tcp_ip4_spec.ip4src = (tp->key_mask[3] & TCAM_V4KEY3_SADDR) >>
-               TCAM_V4KEY3_SADDR_SHIFT;
-       fsp->m_u.tcp_ip4_spec.ip4dst = (tp->key_mask[3] & TCAM_V4KEY3_DADDR) >>
-               TCAM_V4KEY3_DADDR_SHIFT;
-
-       fsp->h_u.tcp_ip4_spec.ip4src =
-               cpu_to_be32(fsp->h_u.tcp_ip4_spec.ip4src);
-       fsp->m_u.tcp_ip4_spec.ip4src =
-               cpu_to_be32(fsp->m_u.tcp_ip4_spec.ip4src);
-       fsp->h_u.tcp_ip4_spec.ip4dst =
-               cpu_to_be32(fsp->h_u.tcp_ip4_spec.ip4dst);
-       fsp->m_u.tcp_ip4_spec.ip4dst =
-               cpu_to_be32(fsp->m_u.tcp_ip4_spec.ip4dst);
+       tmp = (tp->key[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT;
+       fsp->h_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp);
+
+       tmp = (tp->key_mask[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT;
+       fsp->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp);
+
+       tmp = (tp->key_mask[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT;
+       fsp->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp);
 
        fsp->h_u.tcp_ip4_spec.tos = (tp->key[2] & TCAM_V4KEY2_TOS) >>
                TCAM_V4KEY2_TOS_SHIFT;
@@ -7121,54 +7143,40 @@ static void niu_get_ip4fs_from_tcam_key(struct niu_tcam_entry *tp,
        case TCP_V4_FLOW:
        case UDP_V4_FLOW:
        case SCTP_V4_FLOW:
-               fsp->h_u.tcp_ip4_spec.psrc =
-                       ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
-                        TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
-               fsp->h_u.tcp_ip4_spec.pdst =
-                       ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
-                        TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
-               fsp->m_u.tcp_ip4_spec.psrc =
-                       ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
-                        TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
-               fsp->m_u.tcp_ip4_spec.pdst =
-                       ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
-                        TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
+               prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
+                       TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
+               fsp->h_u.tcp_ip4_spec.psrc = cpu_to_be16(prt);
+
+               prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
+                       TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
+               fsp->h_u.tcp_ip4_spec.pdst = cpu_to_be16(prt);
 
-               fsp->h_u.tcp_ip4_spec.psrc =
-                       cpu_to_be16(fsp->h_u.tcp_ip4_spec.psrc);
-               fsp->h_u.tcp_ip4_spec.pdst =
-                       cpu_to_be16(fsp->h_u.tcp_ip4_spec.pdst);
-               fsp->m_u.tcp_ip4_spec.psrc =
-                       cpu_to_be16(fsp->m_u.tcp_ip4_spec.psrc);
-               fsp->m_u.tcp_ip4_spec.pdst =
-                       cpu_to_be16(fsp->m_u.tcp_ip4_spec.pdst);
+               prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
+                       TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
+               fsp->m_u.tcp_ip4_spec.psrc = cpu_to_be16(prt);
+
+               prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
+                        TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
+               fsp->m_u.tcp_ip4_spec.pdst = cpu_to_be16(prt);
                break;
        case AH_V4_FLOW:
        case ESP_V4_FLOW:
-               fsp->h_u.ah_ip4_spec.spi =
-                       (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
-                       TCAM_V4KEY2_PORT_SPI_SHIFT;
-               fsp->m_u.ah_ip4_spec.spi =
-                       (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
+               tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
                        TCAM_V4KEY2_PORT_SPI_SHIFT;
+               fsp->h_u.ah_ip4_spec.spi = cpu_to_be32(tmp);
 
-               fsp->h_u.ah_ip4_spec.spi =
-                       cpu_to_be32(fsp->h_u.ah_ip4_spec.spi);
-               fsp->m_u.ah_ip4_spec.spi =
-                       cpu_to_be32(fsp->m_u.ah_ip4_spec.spi);
+               tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
+                       TCAM_V4KEY2_PORT_SPI_SHIFT;
+               fsp->m_u.ah_ip4_spec.spi = cpu_to_be32(tmp);
                break;
        case IP_USER_FLOW:
-               fsp->h_u.usr_ip4_spec.l4_4_bytes =
-                       (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
-                       TCAM_V4KEY2_PORT_SPI_SHIFT;
-               fsp->m_u.usr_ip4_spec.l4_4_bytes =
-                       (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
+               tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
                        TCAM_V4KEY2_PORT_SPI_SHIFT;
+               fsp->h_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp);
 
-               fsp->h_u.usr_ip4_spec.l4_4_bytes =
-                       cpu_to_be32(fsp->h_u.usr_ip4_spec.l4_4_bytes);
-               fsp->m_u.usr_ip4_spec.l4_4_bytes =
-                       cpu_to_be32(fsp->m_u.usr_ip4_spec.l4_4_bytes);
+               tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
+                       TCAM_V4KEY2_PORT_SPI_SHIFT;
+               fsp->m_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp);
 
                fsp->h_u.usr_ip4_spec.proto =
                        (tp->key[2] & TCAM_V4KEY2_PROTO) >>
@@ -7465,10 +7473,12 @@ static int niu_add_ethtool_tcam_entry(struct niu *np,
        if (fsp->flow_type == IP_USER_FLOW) {
                int i;
                int add_usr_cls = 0;
-               int ipv6 = 0;
                struct ethtool_usrip4_spec *uspec = &fsp->h_u.usr_ip4_spec;
                struct ethtool_usrip4_spec *umask = &fsp->m_u.usr_ip4_spec;
 
+               if (uspec->ip_ver != ETH_RX_NFC_IP4)
+                       return -EINVAL;
+
                niu_lock_parent(np, flags);
 
                for (i = 0; i < NIU_L3_PROG_CLS; i++) {
@@ -7497,9 +7507,7 @@ static int niu_add_ethtool_tcam_entry(struct niu *np,
                                default:
                                        break;
                                }
-                               if (uspec->ip_ver == ETH_RX_NFC_IP6)
-                                       ipv6 = 1;
-                               ret = tcam_user_ip_class_set(np, class, ipv6,
+                               ret = tcam_user_ip_class_set(np, class, 0,
                                                             uspec->proto,
                                                             uspec->tos,
                                                             umask->tos);
@@ -7556,16 +7564,7 @@ static int niu_add_ethtool_tcam_entry(struct niu *np,
                ret = -EINVAL;
                goto out;
        case IP_USER_FLOW:
-               if (fsp->h_u.usr_ip4_spec.ip_ver == ETH_RX_NFC_IP4) {
-                       niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table,
-                                                  class);
-               } else {
-                       /* Not yet implemented */
-                       netdev_info(np->dev, "niu%d: In %s(): usr flow for IPv6 not implemented\n",
-                                   parent->index, __func__);
-                       ret = -EINVAL;
-                       goto out;
-               }
+               niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table, class);
                break;
        default:
                netdev_info(np->dev, "niu%d: In %s(): Unknown flow type %d\n",
@@ -7808,11 +7807,11 @@ static int niu_get_sset_count(struct net_device *dev, int stringset)
        if (stringset != ETH_SS_STATS)
                return -EINVAL;
 
-       return ((np->flags & NIU_FLAGS_XMAC ?
+       return (np->flags & NIU_FLAGS_XMAC ?
                 NUM_XMAC_STAT_KEYS :
                 NUM_BMAC_STAT_KEYS) +
                (np->num_rx_rings * NUM_RXCHAN_STAT_KEYS) +
-               (np->num_tx_rings * NUM_TXCHAN_STAT_KEYS));
+               (np->num_tx_rings * NUM_TXCHAN_STAT_KEYS);
 }
 
 static void niu_get_ethtool_stats(struct net_device *dev,
@@ -9102,7 +9101,7 @@ retry:
 static int __devinit niu_n2_irq_init(struct niu *np, u8 *ldg_num_map)
 {
 #ifdef CONFIG_SPARC64
-       struct of_device *op = np->op;
+       struct platform_device *op = np->op;
        const u32 *int_prop;
        int i;
 
@@ -9110,12 +9109,12 @@ static int __devinit niu_n2_irq_init(struct niu *np, u8 *ldg_num_map)
        if (!int_prop)
                return -ENODEV;
 
-       for (i = 0; i < op->num_irqs; i++) {
+       for (i = 0; i < op->archdata.num_irqs; i++) {
                ldg_num_map[i] = int_prop[i];
-               np->ldg[i].irq = op->irqs[i];
+               np->ldg[i].irq = op->archdata.irqs[i];
        }
 
-       np->num_ldg = op->num_irqs;
+       np->num_ldg = op->archdata.num_irqs;
 
        return 0;
 #else
@@ -9687,7 +9686,7 @@ static void __devinit niu_driver_version(void)
 
 static struct net_device * __devinit niu_alloc_and_init(
        struct device *gen_dev, struct pci_dev *pdev,
-       struct of_device *op, const struct niu_ops *ops,
+       struct platform_device *op, const struct niu_ops *ops,
        u8 port)
 {
        struct net_device *dev;
@@ -9947,7 +9946,7 @@ static int niu_suspend(struct pci_dev *pdev, pm_message_t state)
        if (!netif_running(dev))
                return 0;
 
-       flush_scheduled_work();
+       flush_work_sync(&np->reset_task);
        niu_netif_stop(np);
 
        del_timer_sync(&np->timer);
@@ -10063,7 +10062,7 @@ static const struct niu_ops niu_phys_ops = {
        .unmap_single   = niu_phys_unmap_single,
 };
 
-static int __devinit niu_of_probe(struct of_device *op,
+static int __devinit niu_of_probe(struct platform_device *op,
                                  const struct of_device_id *match)
 {
        union niu_parent_id parent_id;
@@ -10178,7 +10177,7 @@ err_out:
        return err;
 }
 
-static int __devexit niu_of_remove(struct of_device *op)
+static int __devexit niu_of_remove(struct platform_device *op)
 {
        struct net_device *dev = dev_get_drvdata(&op->dev);
 
@@ -10245,14 +10244,14 @@ static int __init niu_init(void)
        niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT);
 
 #ifdef CONFIG_SPARC64
-       err = of_register_driver(&niu_of_driver, &of_bus_type);
+       err = of_register_platform_driver(&niu_of_driver);
 #endif
 
        if (!err) {
                err = pci_register_driver(&niu_pci_driver);
 #ifdef CONFIG_SPARC64
                if (err)
-                       of_unregister_driver(&niu_of_driver);
+                       of_unregister_platform_driver(&niu_of_driver);
 #endif
        }
 
@@ -10263,7 +10262,7 @@ static void __exit niu_exit(void)
 {
        pci_unregister_driver(&niu_pci_driver);
 #ifdef CONFIG_SPARC64
-       of_unregister_driver(&niu_of_driver);
+       of_unregister_platform_driver(&niu_of_driver);
 #endif
 }