diff options
Diffstat (limited to 'drivers/net')
20 files changed, 398 insertions, 37 deletions
diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c index cff6f023c03a..7f2a032c354c 100644 --- a/drivers/net/appletalk/cops.c +++ b/drivers/net/appletalk/cops.c @@ -996,7 +996,7 @@ static int __init cops_module_init(void) printk(KERN_WARNING "%s: You shouldn't autoprobe with insmod\n", cardname); cops_dev = cops_probe(-1); - return PTR_RET(cops_dev); + return PTR_ERR_OR_ZERO(cops_dev); } static void __exit cops_module_exit(void) diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c index b5782cdf0bca..01e2ac55c137 100644 --- a/drivers/net/appletalk/ltpc.c +++ b/drivers/net/appletalk/ltpc.c @@ -1243,7 +1243,7 @@ static int __init ltpc_module_init(void) "ltpc: Autoprobing is not recommended for modules\n"); dev_ltpc = ltpc_probe(); - return PTR_RET(dev_ltpc); + return PTR_ERR_OR_ZERO(dev_ltpc); } module_init(ltpc_module_init); #endif diff --git a/drivers/net/ethernet/amd/atarilance.c b/drivers/net/ethernet/amd/atarilance.c index e8d0ef508f48..10ceca523fc0 100644 --- a/drivers/net/ethernet/amd/atarilance.c +++ b/drivers/net/ethernet/amd/atarilance.c @@ -1147,7 +1147,7 @@ static struct net_device *atarilance_dev; static int __init atarilance_module_init(void) { atarilance_dev = atarilance_probe(-1); - return PTR_RET(atarilance_dev); + return PTR_ERR_OR_ZERO(atarilance_dev); } static void __exit atarilance_module_exit(void) diff --git a/drivers/net/ethernet/amd/mvme147.c b/drivers/net/ethernet/amd/mvme147.c index a51497c9d2af..e108e911da05 100644 --- a/drivers/net/ethernet/amd/mvme147.c +++ b/drivers/net/ethernet/amd/mvme147.c @@ -188,7 +188,7 @@ static struct net_device *dev_mvme147_lance; int __init init_module(void) { dev_mvme147_lance = mvme147lance_probe(-1); - return PTR_RET(dev_mvme147_lance); + return PTR_ERR_OR_ZERO(dev_mvme147_lance); } void __exit cleanup_module(void) diff --git a/drivers/net/ethernet/amd/ni65.c b/drivers/net/ethernet/amd/ni65.c index 26fc0ce0faa3..1cf33addd15e 100644 --- a/drivers/net/ethernet/amd/ni65.c +++ b/drivers/net/ethernet/amd/ni65.c @@ -1238,7 +1238,7 @@ MODULE_PARM_DESC(dma, "ni6510 ISA DMA channel (ignored for some cards)"); int __init init_module(void) { dev_ni65 = ni65_probe(-1); - return PTR_RET(dev_ni65); + return PTR_ERR_OR_ZERO(dev_ni65); } void __exit cleanup_module(void) diff --git a/drivers/net/ethernet/amd/sun3lance.c b/drivers/net/ethernet/amd/sun3lance.c index 4375abe61da1..d6b20296b8e4 100644 --- a/drivers/net/ethernet/amd/sun3lance.c +++ b/drivers/net/ethernet/amd/sun3lance.c @@ -940,7 +940,7 @@ static struct net_device *sun3lance_dev; int __init init_module(void) { sun3lance_dev = sun3lance_probe(-1); - return PTR_RET(sun3lance_dev); + return PTR_ERR_OR_ZERO(sun3lance_dev); } void __exit cleanup_module(void) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 285f2a59a3a5..634a793c1c46 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -9963,8 +9963,6 @@ static int bnx2x_prev_mark_path(struct bnx2x *bp, bool after_undi) static int bnx2x_do_flr(struct bnx2x *bp) { - int i; - u16 status; struct pci_dev *dev = bp->pdev; if (CHIP_IS_E1x(bp)) { @@ -9979,20 +9977,8 @@ static int bnx2x_do_flr(struct bnx2x *bp) return -EINVAL; } - /* Wait for Transaction Pending bit clean */ - for (i = 0; i < 4; i++) { - if (i) - msleep((1 << (i - 1)) * 100); - - pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status); - if (!(status & PCI_EXP_DEVSTA_TRPND)) - goto clear; - } - - dev_err(&dev->dev, - "transaction is not cleared; proceeding with reset anyway\n"); - -clear: + if (!pci_wait_for_pending_transaction(dev)) + dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n"); BNX2X_DEV_INFO("Initiating FLR\n"); bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 2aafb809e067..dfd1e36f5753 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -576,6 +576,7 @@ struct adapter { struct l2t_data *l2t; void *uld_handle[CXGB4_ULD_MAX]; struct list_head list_node; + struct list_head rcu_node; struct tid_info tids; void **tid_release_head; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 5a3256b083f2..79ac77cf62d9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -60,6 +60,7 @@ #include <linux/workqueue.h> #include <net/neighbour.h> #include <net/netevent.h> +#include <net/addrconf.h> #include <asm/uaccess.h> #include "cxgb4.h" @@ -68,6 +69,11 @@ #include "t4fw_api.h" #include "l2t.h" +#include <../drivers/net/bonding/bonding.h> + +#ifdef DRV_VERSION +#undef DRV_VERSION +#endif #define DRV_VERSION "2.0.0-ko" #define DRV_DESC "Chelsio T4/T5 Network Driver" @@ -400,6 +406,9 @@ static struct dentry *cxgb4_debugfs_root; static LIST_HEAD(adapter_list); static DEFINE_MUTEX(uld_mutex); +/* Adapter list to be accessed from atomic context */ +static LIST_HEAD(adap_rcu_list); +static DEFINE_SPINLOCK(adap_rcu_lock); static struct cxgb4_uld_info ulds[CXGB4_ULD_MAX]; static const char *uld_str[] = { "RDMA", "iSCSI" }; @@ -3227,6 +3236,38 @@ static int tid_init(struct tid_info *t) return 0; } +static int cxgb4_clip_get(const struct net_device *dev, + const struct in6_addr *lip) +{ + struct adapter *adap; + struct fw_clip_cmd c; + + adap = netdev2adap(dev); + memset(&c, 0, sizeof(c)); + c.op_to_write = htonl(FW_CMD_OP(FW_CLIP_CMD) | + FW_CMD_REQUEST | FW_CMD_WRITE); + c.alloc_to_len16 = htonl(F_FW_CLIP_CMD_ALLOC | FW_LEN16(c)); + *(__be64 *)&c.ip_hi = *(__be64 *)(lip->s6_addr); + *(__be64 *)&c.ip_lo = *(__be64 *)(lip->s6_addr + 8); + return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false); +} + +static int cxgb4_clip_release(const struct net_device *dev, + const struct in6_addr *lip) +{ + struct adapter *adap; + struct fw_clip_cmd c; + + adap = netdev2adap(dev); + memset(&c, 0, sizeof(c)); + c.op_to_write = htonl(FW_CMD_OP(FW_CLIP_CMD) | + FW_CMD_REQUEST | FW_CMD_READ); + c.alloc_to_len16 = htonl(F_FW_CLIP_CMD_FREE | FW_LEN16(c)); + *(__be64 *)&c.ip_hi = *(__be64 *)(lip->s6_addr); + *(__be64 *)&c.ip_lo = *(__be64 *)(lip->s6_addr + 8); + return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false); +} + /** * cxgb4_create_server - create an IP server * @dev: the device @@ -3246,6 +3287,7 @@ int cxgb4_create_server(const struct net_device *dev, unsigned int stid, struct sk_buff *skb; struct adapter *adap; struct cpl_pass_open_req *req; + int ret; skb = alloc_skb(sizeof(*req), GFP_KERNEL); if (!skb) @@ -3263,10 +3305,78 @@ int cxgb4_create_server(const struct net_device *dev, unsigned int stid, req->opt0 = cpu_to_be64(TX_CHAN(chan)); req->opt1 = cpu_to_be64(CONN_POLICY_ASK | SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue)); - return t4_mgmt_tx(adap, skb); + ret = t4_mgmt_tx(adap, skb); + return net_xmit_eval(ret); } EXPORT_SYMBOL(cxgb4_create_server); +/* cxgb4_create_server6 - create an IPv6 server + * @dev: the device + * @stid: the server TID + * @sip: local IPv6 address to bind server to + * @sport: the server's TCP port + * @queue: queue to direct messages from this server to + * + * Create an IPv6 server for the given port and address. + * Returns <0 on error and one of the %NET_XMIT_* values on success. + */ +int cxgb4_create_server6(const struct net_device *dev, unsigned int stid, + const struct in6_addr *sip, __be16 sport, + unsigned int queue) +{ + unsigned int chan; + struct sk_buff *skb; + struct adapter *adap; + struct cpl_pass_open_req6 *req; + int ret; + + skb = alloc_skb(sizeof(*req), GFP_KERNEL); + if (!skb) + return -ENOMEM; + + adap = netdev2adap(dev); + req = (struct cpl_pass_open_req6 *)__skb_put(skb, sizeof(*req)); + INIT_TP_WR(req, 0); + OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_PASS_OPEN_REQ6, stid)); + req->local_port = sport; + req->peer_port = htons(0); + req->local_ip_hi = *(__be64 *)(sip->s6_addr); + req->local_ip_lo = *(__be64 *)(sip->s6_addr + 8); + req->peer_ip_hi = cpu_to_be64(0); + req->peer_ip_lo = cpu_to_be64(0); + chan = rxq_to_chan(&adap->sge, queue); + req->opt0 = cpu_to_be64(TX_CHAN(chan)); + req->opt1 = cpu_to_be64(CONN_POLICY_ASK | + SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue)); + ret = t4_mgmt_tx(adap, skb); + return net_xmit_eval(ret); +} +EXPORT_SYMBOL(cxgb4_create_server6); + +int cxgb4_remove_server(const struct net_device *dev, unsigned int stid, + unsigned int queue, bool ipv6) +{ + struct sk_buff *skb; + struct adapter *adap; + struct cpl_close_listsvr_req *req; + int ret; + + adap = netdev2adap(dev); + + skb = alloc_skb(sizeof(*req), GFP_KERNEL); + if (!skb) + return -ENOMEM; + + req = (struct cpl_close_listsvr_req *)__skb_put(skb, sizeof(*req)); + INIT_TP_WR(req, 0); + OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_CLOSE_LISTSRV_REQ, stid)); + req->reply_ctrl = htons(NO_REPLY(0) | (ipv6 ? LISTSVR_IPV6(1) : + LISTSVR_IPV6(0)) | QUEUENO(queue)); + ret = t4_mgmt_tx(adap, skb); + return net_xmit_eval(ret); +} +EXPORT_SYMBOL(cxgb4_remove_server); + /** * cxgb4_best_mtu - find the entry in the MTU table closest to an MTU * @mtus: the HW MTU table @@ -3721,6 +3831,10 @@ static void attach_ulds(struct adapter *adap) { unsigned int i; + spin_lock(&adap_rcu_lock); + list_add_tail_rcu(&adap->rcu_node, &adap_rcu_list); + spin_unlock(&adap_rcu_lock); + mutex_lock(&uld_mutex); list_add_tail(&adap->list_node, &adapter_list); for (i = 0; i < CXGB4_ULD_MAX; i++) @@ -3746,6 +3860,10 @@ static void detach_ulds(struct adapter *adap) netevent_registered = false; } mutex_unlock(&uld_mutex); + + spin_lock(&adap_rcu_lock); + list_del_rcu(&adap->rcu_node); + spin_unlock(&adap_rcu_lock); } static void notify_ulds(struct adapter *adap, enum cxgb4_state new_state) @@ -3809,6 +3927,168 @@ int cxgb4_unregister_uld(enum cxgb4_uld type) } EXPORT_SYMBOL(cxgb4_unregister_uld); +/* Check if netdev on which event is occured belongs to us or not. Return + * suceess (1) if it belongs otherwise failure (0). + */ +static int cxgb4_netdev(struct net_device *netdev) +{ + struct adapter *adap; + int i; + + spin_lock(&adap_rcu_lock); + list_for_each_entry_rcu(adap, &adap_rcu_list, rcu_node) + for (i = 0; i < MAX_NPORTS; i++) + if (adap->port[i] == netdev) { + spin_unlock(&adap_rcu_lock); + return 1; + } + spin_unlock(&adap_rcu_lock); + return 0; +} + +static int clip_add(struct net_device *event_dev, struct inet6_ifaddr *ifa, + unsigned long event) +{ + int ret = NOTIFY_DONE; + + rcu_read_lock(); + if (cxgb4_netdev(event_dev)) { + switch (event) { + case NETDEV_UP: + ret = cxgb4_clip_get(event_dev, + (const struct in6_addr *)ifa->addr.s6_addr); + if (ret < 0) { + rcu_read_unlock(); + return ret; + } + ret = NOTIFY_OK; + break; + case NETDEV_DOWN: + cxgb4_clip_release(event_dev, + (const struct in6_addr *)ifa->addr.s6_addr); + ret = NOTIFY_OK; + break; + default: + break; + } + } + rcu_read_unlock(); + return ret; +} + +static int cxgb4_inet6addr_handler(struct notifier_block *this, + unsigned long event, void *data) +{ + struct inet6_ifaddr *ifa = data; + struct net_device *event_dev; + int ret = NOTIFY_DONE; + struct bonding *bond = netdev_priv(ifa->idev->dev); + struct slave *slave; + struct pci_dev *first_pdev = NULL; + + if (ifa->idev->dev->priv_flags & IFF_802_1Q_VLAN) { + event_dev = vlan_dev_real_dev(ifa->idev->dev); + ret = clip_add(event_dev, ifa, event); + } else if (ifa->idev->dev->flags & IFF_MASTER) { + /* It is possible that two different adapters are bonded in one + * bond. We need to find such different adapters and add clip + * in all of them only once. + */ + read_lock(&bond->lock); + bond_for_each_slave(bond, slave) { + if (!first_pdev) { + ret = clip_add(slave->dev, ifa, event); + /* If clip_add is success then only initialize + * first_pdev since it means it is our device + */ + if (ret == NOTIFY_OK) + first_pdev = to_pci_dev( + slave->dev->dev.parent); + } else if (first_pdev != + to_pci_dev(slave->dev->dev.parent)) + ret = clip_add(slave->dev, ifa, event); + } + read_unlock(&bond->lock); + } else + ret = clip_add(ifa->idev->dev, ifa, event); + + return ret; +} + +static struct notifier_block cxgb4_inet6addr_notifier = { + .notifier_call = cxgb4_inet6addr_handler +}; + +/* Retrieves IPv6 addresses from a root device (bond, vlan) associated with + * a physical device. + * The physical device reference is needed to send the actul CLIP command. + */ +static int update_dev_clip(struct net_device *root_dev, struct net_device *dev) +{ + struct inet6_dev *idev = NULL; + struct inet6_ifaddr *ifa; + int ret = 0; + + idev = __in6_dev_get(root_dev); + if (!idev) + return ret; + + read_lock_bh(&idev->lock); + list_for_each_entry(ifa, &idev->addr_list, if_list) { + ret = cxgb4_clip_get(dev, + (const struct in6_addr *)ifa->addr.s6_addr); + if (ret < 0) + break; + } + read_unlock_bh(&idev->lock); + + return ret; +} + +static int update_root_dev_clip(struct net_device *dev) +{ + struct net_device *root_dev = NULL; + int i, ret = 0; + + /* First populate the real net device's IPv6 addresses */ + ret = update_dev_clip(dev, dev); + if (ret) + return ret; + + /* Parse all bond and vlan devices layered on top of the physical dev */ + for (i = 0; i < VLAN_N_VID; i++) { + root_dev = __vlan_find_dev_deep(dev, htons(ETH_P_8021Q), i); + if (!root_dev) + continue; + + ret = update_dev_clip(root_dev, dev); + if (ret) + break; + } + return ret; +} + +static void update_clip(const struct adapter *adap) +{ + int i; + struct net_device *dev; + int ret; + + rcu_read_lock(); + + for (i = 0; i < MAX_NPORTS; i++) { + dev = adap->port[i]; + ret = 0; + + if (dev) + ret = update_root_dev_clip(dev); + + if (ret < 0) + break; + } + rcu_read_unlock(); +} + /** * cxgb_up - enable the adapter * @adap: adapter being enabled @@ -3854,6 +4134,7 @@ static int cxgb_up(struct adapter *adap) t4_intr_enable(adap); adap->flags |= FULL_INIT_DONE; notify_ulds(adap, CXGB4_STATE_UP); + update_clip(adap); out: return err; irq_err: @@ -5870,11 +6151,15 @@ static int __init cxgb4_init_module(void) ret = pci_register_driver(&cxgb4_driver); if (ret < 0) debugfs_remove(cxgb4_debugfs_root); + + register_inet6addr_notifier(&cxgb4_inet6addr_notifier); + return ret; } static void __exit cxgb4_cleanup_module(void) { + unregister_inet6addr_notifier(&cxgb4_inet6addr_notifier); pci_unregister_driver(&cxgb4_driver); debugfs_remove(cxgb4_debugfs_root); /* NULL ok */ flush_workqueue(workq); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index 4faf4d067ee7..6f21f2451c30 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -154,6 +154,11 @@ struct in6_addr; int cxgb4_create_server(const struct net_device *dev, unsigned int stid, __be32 sip, __be16 sport, __be16 vlan, unsigned int queue); +int cxgb4_create_server6(const struct net_device *dev, unsigned int stid, + const struct in6_addr *sip, __be16 sport, + unsigned int queue); +int cxgb4_remove_server(const struct net_device *dev, unsigned int stid, + unsigned int queue, bool ipv6); int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, __be32 sip, __be16 sport, __be16 vlan, unsigned int queue, diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h index 01d484441200..cd6874b571ee 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h @@ -320,6 +320,21 @@ struct cpl_act_open_req6 { __be32 opt2; }; +struct cpl_t5_act_open_req6 { + WR_HDR; + union opcode_tid ot; + __be16 local_port; + __be16 peer_port; + __be64 local_ip_hi; + __be64 local_ip_lo; + __be64 peer_ip_hi; + __be64 peer_ip_lo; + __be64 opt0; + __be32 rsvd; + __be32 opt2; + __be64 params; +}; + struct cpl_act_open_rpl { union opcode_tid ot; __be32 atid_status; @@ -405,7 +420,7 @@ struct cpl_close_listsvr_req { WR_HDR; union opcode_tid ot; __be16 reply_ctrl; -#define LISTSVR_IPV6 (1 << 14) +#define LISTSVR_IPV6(x) ((x) << 14) __be16 rsvd; }; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h index d1c755f78aaf..6f77ac487743 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h @@ -616,6 +616,7 @@ enum fw_cmd_opcodes { FW_RSS_IND_TBL_CMD = 0x20, FW_RSS_GLB_CONFIG_CMD = 0x22, FW_RSS_VI_CONFIG_CMD = 0x23, + FW_CLIP_CMD = 0x28, FW_LASTC2E_CMD = 0x40, FW_ERROR_CMD = 0x80, FW_DEBUG_CMD = 0x81, @@ -2062,6 +2063,28 @@ struct fw_rss_vi_config_cmd { } u; }; +struct fw_clip_cmd { + __be32 op_to_write; + __be32 alloc_to_len16; + __be64 ip_hi; + __be64 ip_lo; + __be32 r4[2]; +}; + +#define S_FW_CLIP_CMD_ALLOC 31 +#define M_FW_CLIP_CMD_ALLOC 0x1 +#define V_FW_CLIP_CMD_ALLOC(x) ((x) << S_FW_CLIP_CMD_ALLOC) +#define G_FW_CLIP_CMD_ALLOC(x) \ + (((x) >> S_FW_CLIP_CMD_ALLOC) & M_FW_CLIP_CMD_ALLOC) +#define F_FW_CLIP_CMD_ALLOC V_FW_CLIP_CMD_ALLOC(1U) + +#define S_FW_CLIP_CMD_FREE 30 +#define M_FW_CLIP_CMD_FREE 0x1 +#define V_FW_CLIP_CMD_FREE(x) ((x) << S_FW_CLIP_CMD_FREE) +#define G_FW_CLIP_CMD_FREE(x) \ + (((x) >> S_FW_CLIP_CMD_FREE) & M_FW_CLIP_CMD_FREE) +#define F_FW_CLIP_CMD_FREE V_FW_CLIP_CMD_FREE(1U) + enum fw_error_type { FW_ERROR_TYPE_EXCEPTION = 0x0, FW_ERROR_TYPE_HWMODULE = 0x1, diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index f984a89c27df..dd6876321116 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -1909,7 +1909,8 @@ static int qp_get_mtt_size(struct mlx4_qp_context *qpc) int log_rq_stride = qpc->rq_size_stride & 7; int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; - int xrc = (be32_to_cpu(qpc->local_qpn) >> 23) & 1; + u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; + int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0; int sq_size; int rq_size; int total_pages; diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 269c08bf399b..f28460ce24a7 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -9478,7 +9478,7 @@ static struct niu_parent *niu_new_parent(struct niu *np, if (IS_ERR(plat_dev)) return NULL; - for (i = 0; attr_name(niu_parent_attributes[i]); i++) { + for (i = 0; niu_parent_attributes[i].attr.name; i++) { int err = device_create_file(&plat_dev->dev, &niu_parent_attributes[i]); if (err) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 23a0fff0df52..524f713f6017 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -306,7 +306,6 @@ static void netvsc_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) { strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); - strlcpy(info->version, HV_DRV_VERSION, sizeof(info->version)); strlcpy(info->fw_version, "N/A", sizeof(info->fw_version)); } @@ -529,7 +528,6 @@ static int __init netvsc_drv_init(void) } MODULE_LICENSE("GPL"); -MODULE_VERSION(HV_DRV_VERSION); MODULE_DESCRIPTION("Microsoft Hyper-V network driver"); module_init(netvsc_drv_init); diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c index a41267197839..177441afeb96 100644 --- a/drivers/net/irda/irtty-sir.c +++ b/drivers/net/irda/irtty-sir.c @@ -123,14 +123,14 @@ static int irtty_change_speed(struct sir_dev *dev, unsigned speed) tty = priv->tty; - mutex_lock(&tty->termios_mutex); + down_write(&tty->termios_rwsem); old_termios = tty->termios; cflag = tty->termios.c_cflag; tty_encode_baud_rate(tty, speed, speed); if (tty->ops->set_termios) tty->ops->set_termios(tty, &old_termios); priv->io.speed = speed; - mutex_unlock(&tty->termios_mutex); + up_write(&tty->termios_rwsem); return 0; } @@ -280,7 +280,7 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop) struct ktermios old_termios; int cflag; - mutex_lock(&tty->termios_mutex); + down_write(&tty->termios_rwsem); old_termios = tty->termios; cflag = tty->termios.c_cflag; @@ -292,7 +292,7 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop) tty->termios.c_cflag = cflag; if (tty->ops->set_termios) tty->ops->set_termios(tty, &old_termios); - mutex_unlock(&tty->termios_mutex); + up_write(&tty->termios_rwsem); } /*****************************************************************/ diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index fb0caa289d0b..3569293df872 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1031,12 +1031,20 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.phy_id = 0x03; dev->mii.supports_gmii = 1; + if (usb_device_no_sg_constraint(dev->udev)) + dev->can_dma_sg = 1; + dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM; dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM; + if (dev->can_dma_sg) { + dev->net->features |= NETIF_F_SG | NETIF_F_TSO; + dev->net->hw_features |= NETIF_F_SG | NETIF_F_TSO; + } + /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 74a8e3c6edfc..7b331e613e02 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1232,6 +1232,37 @@ EXPORT_SYMBOL_GPL(usbnet_tx_timeout); /*-------------------------------------------------------------------------*/ +static int build_dma_sg(const struct sk_buff *skb, struct urb *urb) +{ + unsigned num_sgs, total_len = 0; + int i, s = 0; + + num_sgs = skb_shinfo(skb)->nr_frags + 1; + if (num_sgs == 1) + return 0; + + urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist), GFP_ATOMIC); + if (!urb->sg) + return -ENOMEM; + + urb->num_sgs = num_sgs; + sg_init_table(urb->sg, urb->num_sgs); + + sg_set_buf(&urb->sg[s++], skb->data, skb_headlen(skb)); + total_len += skb_headlen(skb); + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + struct skb_frag_struct *f = &skb_shinfo(skb)->frags[i]; + + total_len += skb_frag_size(f); + sg_set_page(&urb->sg[i + s], f->page.p, f->size, + f->page_offset); + } + urb->transfer_buffer_length = total_len; + + return 1; +} + netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, struct net_device *net) { @@ -1258,7 +1289,6 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, goto drop; } } - length = skb->len; if (!(urb = usb_alloc_urb (0, GFP_ATOMIC))) { netif_dbg(dev, tx_err, dev->net, "no urb\n"); @@ -1268,10 +1298,14 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, entry = (struct skb_data *) skb->cb; entry->urb = urb; entry->dev = dev; - entry->length = length; usb_fill_bulk_urb (urb, dev->udev, dev->out, skb->data, skb->len, tx_complete, skb); + if (dev->can_dma_sg) { + if (build_dma_sg(skb, urb) < 0) + goto drop; + } + entry->length = length = urb->transfer_buffer_length; /* don't assume the hardware handles USB_ZERO_PACKET * NOTE: strictly conforming cdc-ether devices should expect @@ -1340,7 +1374,10 @@ drop: not_drop: if (skb) dev_kfree_skb_any (skb); - usb_free_urb (urb); + if (urb) { + kfree(urb->sg); + usb_free_urb(urb); + } } else netif_dbg(dev, tx_queued, dev->net, "> tx, len %d, type 0x%x\n", length, skb->protocol); @@ -1391,6 +1428,7 @@ static void usbnet_bh (unsigned long param) rx_process (dev, skb); continue; case tx_done: + kfree(entry->urb->sg); case rx_cleanup: usb_free_urb (entry->urb); dev_kfree_skb (skb); @@ -1731,6 +1769,7 @@ int usbnet_resume (struct usb_interface *intf) retval = usb_submit_urb(res, GFP_ATOMIC); if (retval < 0) { dev_kfree_skb_any(skb); + kfree(res->sg); usb_free_urb(res); usb_autopm_put_interface_async(dev->intf); } else { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c index c37b9d68e458..0f9e9057e7dd 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c @@ -50,7 +50,7 @@ int brcmf_debugfs_attach(struct brcmf_pub *drvr) return -ENODEV; drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder); - return PTR_RET(drvr->dbgfs_dir); + return PTR_ERR_OR_ZERO(drvr->dbgfs_dir); } void brcmf_debugfs_detach(struct brcmf_pub *drvr) diff --git a/drivers/net/wireless/brcm80211/brcmsmac/debug.c b/drivers/net/wireless/brcm80211/brcmsmac/debug.c index 9761deb46204..a5d4add26f41 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/debug.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/debug.c @@ -56,7 +56,7 @@ int brcms_debugfs_attach(struct brcms_pub *drvr) drvr->dbgfs_dir = debugfs_create_dir( dev_name(&drvr->wlc->hw->d11core->dev), root_folder); - return PTR_RET(drvr->dbgfs_dir); + return PTR_ERR_OR_ZERO(drvr->dbgfs_dir); } void brcms_debugfs_detach(struct brcms_pub *drvr) |