From 79f1bc06dbb05f222756d6df4a9ff95588c9cc06 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sat, 28 Mar 2009 23:37:27 -0700 Subject: ni5010: convert to net_device_ops Signed-off-by: Alexander Beregalov Signed-off-by: David S. Miller --- drivers/net/ni5010.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ni5010.c b/drivers/net/ni5010.c index 539e18ab485..2a8da476ab3 100644 --- a/drivers/net/ni5010.c +++ b/drivers/net/ni5010.c @@ -189,6 +189,17 @@ static void __init trigger_irq(int ioaddr) outb(MM_EN_XMT|MM_MUX, IE_MMODE); /* Start transmission */ } +static const struct net_device_ops ni5010_netdev_ops = { + .ndo_open = ni5010_open, + .ndo_stop = ni5010_close, + .ndo_start_xmit = ni5010_send_packet, + .ndo_set_multicast_list = ni5010_set_multicast_list, + .ndo_tx_timeout = ni5010_timeout, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = eth_mac_addr, + .ndo_change_mtu = eth_change_mtu, +}; + /* * This is the real probe routine. Linux has a history of friendly device * probes on the ISA bus. A good device probes avoids doing writes, and @@ -328,13 +339,8 @@ static int __init ni5010_probe1(struct net_device *dev, int ioaddr) outb(0, IE_RBUF); /* set buffer byte 0 to 0 again */ } printk("-> bufsize rcv/xmt=%d/%d\n", bufsize_rcv, NI5010_BUFSIZE); - memset(netdev_priv(dev), 0, sizeof(struct ni5010_local)); - dev->open = ni5010_open; - dev->stop = ni5010_close; - dev->hard_start_xmit = ni5010_send_packet; - dev->set_multicast_list = ni5010_set_multicast_list; - dev->tx_timeout = ni5010_timeout; + dev->netdev_ops = &ni5010_netdev_ops; dev->watchdog_timeo = HZ/20; dev->flags &= ~IFF_MULTICAST; /* Multicast doesn't work */ -- cgit v1.2.3 From 3e8af307bfe3b6318a1aaaf8ce18d0af7ddf2ea2 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sat, 28 Mar 2009 23:40:05 -0700 Subject: dmascc: fix incomplete conversion to network_device_ops drivers/net/hamradio/dmascc.c:587: error: 'struct net_device' has no member named 'set_mac_address' Signed-off-by: Alexander Beregalov Signed-off-by: David S. Miller --- drivers/net/hamradio/dmascc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c index 881bf818bb4..7459b3ac77a 100644 --- a/drivers/net/hamradio/dmascc.c +++ b/drivers/net/hamradio/dmascc.c @@ -445,6 +445,7 @@ static const struct net_device_ops scc_netdev_ops = { .ndo_stop = scc_close, .ndo_start_xmit = scc_send_packet, .ndo_do_ioctl = scc_ioctl, + .ndo_set_mac_address = scc_set_mac_address, }; static int __init setup_adapter(int card_base, int type, int n) @@ -584,7 +585,6 @@ static int __init setup_adapter(int card_base, int type, int n) dev->irq = irq; dev->netdev_ops = &scc_netdev_ops; dev->header_ops = &ax25_header_ops; - dev->set_mac_address = scc_set_mac_address; } if (register_netdev(info->dev[0])) { printk(KERN_ERR "dmascc: could not register %s\n", -- cgit v1.2.3 From e7557af56a576762a655f1aaaded253ad14c5958 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Sat, 28 Mar 2009 15:38:31 +0000 Subject: netpoll: store local and remote ip in net-endian Allows for the removal of byteswapping in some places and the removal of HIPQUAD (replaced by %pI4). Signed-off-by: Harvey Harrison Signed-off-by: David S. Miller --- drivers/net/netconsole.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index d304d38cd5d..eceadf787a6 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -294,14 +294,12 @@ static ssize_t show_remote_port(struct netconsole_target *nt, char *buf) static ssize_t show_local_ip(struct netconsole_target *nt, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n", - HIPQUAD(nt->np.local_ip)); + return snprintf(buf, PAGE_SIZE, "%pI4\n", &nt->np.local_ip); } static ssize_t show_remote_ip(struct netconsole_target *nt, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n", - HIPQUAD(nt->np.remote_ip)); + return snprintf(buf, PAGE_SIZE, "%pI4\n", &nt->np.remote_ip); } static ssize_t show_local_mac(struct netconsole_target *nt, char *buf) @@ -438,7 +436,7 @@ static ssize_t store_local_ip(struct netconsole_target *nt, return -EINVAL; } - nt->np.local_ip = ntohl(in_aton(buf)); + nt->np.local_ip = in_aton(buf); return strnlen(buf, count); } @@ -454,7 +452,7 @@ static ssize_t store_remote_ip(struct netconsole_target *nt, return -EINVAL; } - nt->np.remote_ip = ntohl(in_aton(buf)); + nt->np.remote_ip = in_aton(buf); return strnlen(buf, count); } -- cgit v1.2.3 From ee76db5e9e9896312f001790855a798472440328 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 29 Mar 2009 01:19:37 -0700 Subject: gianfar: Fix use-after-of_node_put() in gfar_of_init(). We can't put 'mdio' until after we've used it in the fsl_pq_mdio_bus_name() call. Signed-off-by: David S. Miller --- drivers/net/gianfar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 6a38800be3f..65f55877be9 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -289,9 +289,9 @@ static int gfar_of_init(struct net_device *dev) id = of_get_property(phy, "reg", NULL); of_node_put(phy); - of_node_put(mdio); fsl_pq_mdio_bus_name(bus_name, mdio); + of_node_put(mdio); snprintf(priv->phy_bus_id, sizeof(priv->phy_bus_id), "%s:%02x", bus_name, *id); } -- cgit v1.2.3 From 129dd9677b30a07bb832247dfe8d6089f1ac61a0 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 29 Mar 2009 01:20:18 -0700 Subject: ucc_geth: Fix use-after-of_node_put() in ucc_geth_probe(). We can't put 'mdio' until after we've used it in the fsl_pq_mdio_bus_name() call. Also fix error return values. Signed-off-by: David S. Miller --- drivers/net/ucc_geth.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 86a479f61c0..933fcfbf35e 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -3648,15 +3648,16 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma mdio = of_get_parent(phy); if (mdio == NULL) - return -1; + return -ENODEV; err = of_address_to_resource(mdio, 0, &res); - of_node_put(mdio); - - if (err) - return -1; + if (err) { + of_node_put(mdio); + return err; + } fsl_pq_mdio_bus_name(bus_name, mdio); + of_node_put(mdio); snprintf(ug_info->phy_bus_id, sizeof(ug_info->phy_bus_id), "%s:%02x", bus_name, *prop); } -- cgit v1.2.3 From 4099e01224e2afcaeea439cd92db3e7cf6e0f84f Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 29 Mar 2009 01:39:41 -0700 Subject: niu: Add GRO support. Signed-off-by: David S. Miller --- drivers/net/niu.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 50c11126a3d..02c37e2f08a 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -3441,7 +3441,8 @@ static int niu_rx_pkt_ignore(struct niu *np, struct rx_ring_info *rp) return num_rcr; } -static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp) +static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np, + struct rx_ring_info *rp) { unsigned int index = rp->rcr_index; struct sk_buff *skb; @@ -3518,7 +3519,7 @@ static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp) skb->protocol = eth_type_trans(skb, np->dev); skb_record_rx_queue(skb, rp->rx_channel); - netif_receive_skb(skb); + napi_gro_receive(napi, skb); return num_rcr; } @@ -3706,7 +3707,8 @@ static inline void niu_sync_rx_discard_stats(struct niu *np, } } -static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget) +static int niu_rx_work(struct napi_struct *napi, struct niu *np, + struct rx_ring_info *rp, int budget) { int qlen, rcr_done = 0, work_done = 0; struct rxdma_mailbox *mbox = rp->mbox; @@ -3728,7 +3730,7 @@ static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget) rcr_done = work_done = 0; qlen = min(qlen, budget); while (work_done < qlen) { - rcr_done += niu_process_rx_pkt(np, rp); + rcr_done += niu_process_rx_pkt(napi, np, rp); work_done++; } @@ -3776,7 +3778,7 @@ static int niu_poll_core(struct niu *np, struct niu_ldg *lp, int budget) if (rx_vec & (1 << rp->rx_channel)) { int this_work_done; - this_work_done = niu_rx_work(np, rp, + this_work_done = niu_rx_work(&lp->napi, np, rp, budget); budget -= this_work_done; -- cgit v1.2.3 From 1383bdb98c01bbd28d72336d1bf614ce79114d29 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 29 Mar 2009 01:39:49 -0700 Subject: tg3: Add GRO support. Signed-off-by: David S. Miller --- drivers/net/tg3.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index f7efcecc410..1205c2a2265 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -4392,7 +4392,7 @@ static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key, #if TG3_VLAN_TAG_USED static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag) { - return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag); + return vlan_gro_receive(&tp->napi, tp->vlgrp, vlan_tag, skb); } #endif @@ -4539,7 +4539,7 @@ static int tg3_rx(struct tg3 *tp, int budget) desc->err_vlan & RXD_VLAN_MASK); } else #endif - netif_receive_skb(skb); + napi_gro_receive(&tp->napi, skb); received++; budget--; -- cgit v1.2.3 From 321dee6e8b235c496f0a068a72d8df9a4e13ceb9 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 13:52:21 -0700 Subject: wireless: remove duplicated .ndo_set_mac_address Signed-off-by: Alexander Beregalov Signed-off-by: David S. Miller --- drivers/net/wireless/airo.c | 2 -- drivers/net/wireless/ipw2x00/ipw2200.c | 1 - drivers/net/wireless/prism54/islpci_dev.c | 1 - drivers/net/wireless/zd1201.c | 1 - 4 files changed, 5 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 7e80aba8a14..93302c0a36b 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -2752,7 +2752,6 @@ static const struct net_device_ops airo_netdev_ops = { .ndo_set_mac_address = airo_set_mac_address, .ndo_do_ioctl = airo_ioctl, .ndo_change_mtu = airo_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; @@ -2765,7 +2764,6 @@ static const struct net_device_ops mpi_netdev_ops = { .ndo_set_mac_address = airo_set_mac_address, .ndo_do_ioctl = airo_ioctl, .ndo_change_mtu = airo_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index b3449948a25..4a92af1d787 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -11593,7 +11593,6 @@ static const struct net_device_ops ipw_netdev_ops = { .ndo_set_mac_address = ipw_net_set_mac_address, .ndo_start_xmit = ieee80211_xmit, .ndo_change_mtu = ieee80211_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index 166ed958460..e26d7b3ceab 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -803,7 +803,6 @@ static const struct net_device_ops islpci_netdev_ops = { .ndo_tx_timeout = islpci_eth_tx_timeout, .ndo_set_mac_address = prism54_set_mac_address, .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index 9b244c96b22..5fabd9c0f07 100644 --- a/drivers/net/wireless/zd1201.c +++ b/drivers/net/wireless/zd1201.c @@ -1725,7 +1725,6 @@ static const struct net_device_ops zd1201_netdev_ops = { .ndo_set_multicast_list = zd1201_set_multicast, .ndo_set_mac_address = zd1201_set_mac_address, .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, }; -- cgit v1.2.3 From 99b76233803beab302123d243eea9e41149804f3 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Wed, 25 Mar 2009 22:48:06 +0300 Subject: proc 2/2: remove struct proc_dir_entry::owner Setting ->owner as done currently (pde->owner = THIS_MODULE) is racy as correctly noted at bug #12454. Someone can lookup entry with NULL ->owner, thus not pinning enything, and release it later resulting in module refcount underflow. We can keep ->owner and supply it at registration time like ->proc_fops and ->data. But this leaves ->owner as easy-manipulative field (just one C assignment) and somebody will forget to unpin previous/pin current module when switching ->owner. ->proc_fops is declared as "const" which should give some thoughts. ->read_proc/->write_proc were just fixed to not require ->owner for protection. rmmod'ed directories will be empty and return "." and ".." -- no harm. And directories with tricky enough readdir and lookup shouldn't be modular. We definitely don't want such modular code. Removing ->owner will also make PDE smaller. So, let's nuke it. Kudos to Jeff Layton for reminding about this, let's say, oversight. http://bugzilla.kernel.org/show_bug.cgi?id=12454 Signed-off-by: Alexey Dobriyan --- drivers/net/bonding/bond_main.c | 35 ++--------------------------------- drivers/net/irda/vlsi_ir.c | 7 ------- drivers/net/wireless/airo.c | 1 - 3 files changed, 2 insertions(+), 41 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 9c326a50a3e..99610f358c4 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3444,25 +3444,12 @@ static void bond_remove_proc_entry(struct bonding *bond) */ static void bond_create_proc_dir(void) { - int len = strlen(DRV_NAME); - - for (bond_proc_dir = init_net.proc_net->subdir; bond_proc_dir; - bond_proc_dir = bond_proc_dir->next) { - if ((bond_proc_dir->namelen == len) && - !memcmp(bond_proc_dir->name, DRV_NAME, len)) { - break; - } - } - if (!bond_proc_dir) { bond_proc_dir = proc_mkdir(DRV_NAME, init_net.proc_net); - if (bond_proc_dir) { - bond_proc_dir->owner = THIS_MODULE; - } else { + if (!bond_proc_dir) printk(KERN_WARNING DRV_NAME ": Warning: cannot create /proc/net/%s\n", DRV_NAME); - } } } @@ -3471,25 +3458,7 @@ static void bond_create_proc_dir(void) */ static void bond_destroy_proc_dir(void) { - struct proc_dir_entry *de; - - if (!bond_proc_dir) { - return; - } - - /* verify that the /proc dir is empty */ - for (de = bond_proc_dir->subdir; de; de = de->next) { - /* ignore . and .. */ - if (*(de->name) != '.') { - break; - } - } - - if (de) { - if (bond_proc_dir->owner == THIS_MODULE) { - bond_proc_dir->owner = NULL; - } - } else { + if (bond_proc_dir) { remove_proc_entry(DRV_NAME, init_net.proc_net); bond_proc_dir = NULL; } diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index 1243bc8e003..ac0e4b6b6b6 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -1871,13 +1871,6 @@ static int __init vlsi_mod_init(void) * without procfs - it's not required for the driver to work. */ vlsi_proc_root = proc_mkdir(PROC_DIR, NULL); - if (vlsi_proc_root) { - /* protect registered procdir against module removal. - * Because we are in the module init path there's no race - * window after create_proc_entry (and no barrier needed). - */ - vlsi_proc_root->owner = THIS_MODULE; - } ret = pci_register_driver(&vlsi_irda_driver); diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 7e80aba8a14..31b1cc2b778 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -4494,7 +4494,6 @@ static int setup_proc_entry( struct net_device *dev, goto fail; apriv->proc_entry->uid = proc_uid; apriv->proc_entry->gid = proc_gid; - apriv->proc_entry->owner = THIS_MODULE; /* Setup the StatsDelta */ entry = proc_create_data("StatsDelta", -- cgit v1.2.3