From: Santiago Leon Date: Fri, 3 Sep 2010 18:29:30 +0000 (+0000) Subject: ibmveth: Coding style fixes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f148f61d89995660e8aa20a2784ecd9c7f25e2a6;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git ibmveth: Coding style fixes Fix most of the kernel coding style issues in ibmveth. Signed-off-by: Anton Blanchard Signed-off-by: Santiago Leon Signed-off-by: David S. Miller --- diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index e608ee8b510..8adfff55792 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -1,31 +1,29 @@ -/**************************************************************************/ -/* */ -/* IBM eServer i/pSeries Virtual Ethernet Device Driver */ -/* Copyright (C) 2003 IBM Corp. */ -/* Originally written by Dave Larson (larson1@us.ibm.com) */ -/* Maintained by Santiago Leon (santil@us.ibm.com) */ -/* */ -/* This program is free software; you can redistribute it and/or modify */ -/* it under the terms of the GNU General Public License as published by */ -/* the Free Software Foundation; either version 2 of the License, or */ -/* (at your option) any later version. */ -/* */ -/* This program is distributed in the hope that it will be useful, */ -/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ -/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ -/* GNU General Public License for more details. */ -/* */ -/* You should have received a copy of the GNU General Public License */ -/* along with this program; if not, write to the Free Software */ -/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 */ -/* USA */ -/* */ -/* This module contains the implementation of a virtual ethernet device */ -/* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */ -/* option of the RS/6000 Platform Architechture to interface with virtual */ -/* ethernet NICs that are presented to the partition by the hypervisor. */ -/* */ -/**************************************************************************/ +/* + * IBM eServer i/pSeries Virtual Ethernet Device Driver + * Copyright (C) 2003 IBM Corp. + * Originally written by Dave Larson (larson1@us.ibm.com) + * Maintained by Santiago Leon (santil@us.ibm.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + * + * This module contains the implementation of a virtual ethernet device + * for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN + * option of the RS/6000 Platform Architechture to interface with virtual + * ethernet NICs that are presented to the partition by the hypervisor. + */ #include #include @@ -59,7 +57,7 @@ #ifdef DEBUG #define ibmveth_assert(expr) \ - if(!(expr)) { \ + if (!(expr)) { \ printk(KERN_DEBUG "assertion failed (%s:%3.3d ua:%x): %s\n", __FILE__, __LINE__, adapter->vdev->unit_address, #expr); \ BUG(); \ } @@ -75,7 +73,8 @@ static struct kobj_type ktype_veth_pool; static const char ibmveth_driver_name[] = "ibmveth"; -static const char ibmveth_driver_string[] = "IBM i/pSeries Virtual Ethernet Driver"; +static const char ibmveth_driver_string[] = "IBM i/pSeries Virtual Ethernet " + "Driver"; #define ibmveth_driver_version "1.03" MODULE_AUTHOR("Santiago Leon "); @@ -108,8 +107,10 @@ struct ibmveth_stat { struct ibmveth_stat ibmveth_stats[] = { { "replenish_task_cycles", IBMVETH_STAT_OFF(replenish_task_cycles) }, { "replenish_no_mem", IBMVETH_STAT_OFF(replenish_no_mem) }, - { "replenish_add_buff_failure", IBMVETH_STAT_OFF(replenish_add_buff_failure) }, - { "replenish_add_buff_success", IBMVETH_STAT_OFF(replenish_add_buff_success) }, + { "replenish_add_buff_failure", + IBMVETH_STAT_OFF(replenish_add_buff_failure) }, + { "replenish_add_buff_success", + IBMVETH_STAT_OFF(replenish_add_buff_success) }, { "rx_invalid_buffer", IBMVETH_STAT_OFF(rx_invalid_buffer) }, { "rx_no_buffer", IBMVETH_STAT_OFF(rx_no_buffer) }, { "tx_map_failed", IBMVETH_STAT_OFF(tx_map_failed) }, @@ -126,36 +127,39 @@ static inline u32 ibmveth_rxq_flags(struct ibmveth_adapter *adapter) static inline int ibmveth_rxq_toggle(struct ibmveth_adapter *adapter) { - return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_TOGGLE) >> IBMVETH_RXQ_TOGGLE_SHIFT; + return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_TOGGLE) >> + IBMVETH_RXQ_TOGGLE_SHIFT; } static inline int ibmveth_rxq_pending_buffer(struct ibmveth_adapter *adapter) { - return (ibmveth_rxq_toggle(adapter) == adapter->rx_queue.toggle); + return ibmveth_rxq_toggle(adapter) == adapter->rx_queue.toggle; } static inline int ibmveth_rxq_buffer_valid(struct ibmveth_adapter *adapter) { - return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_VALID); + return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_VALID; } static inline int ibmveth_rxq_frame_offset(struct ibmveth_adapter *adapter) { - return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_OFF_MASK); + return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_OFF_MASK; } static inline int ibmveth_rxq_frame_length(struct ibmveth_adapter *adapter) { - return (adapter->rx_queue.queue_addr[adapter->rx_queue.index].length); + return adapter->rx_queue.queue_addr[adapter->rx_queue.index].length; } static inline int ibmveth_rxq_csum_good(struct ibmveth_adapter *adapter) { - return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_CSUM_GOOD); + return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_CSUM_GOOD; } /* setup the initial settings for a buffer pool */ -static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool, u32 pool_index, u32 pool_size, u32 buff_size, u32 pool_active) +static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool, + u32 pool_index, u32 pool_size, + u32 buff_size, u32 pool_active) { pool->size = pool_size; pool->index = pool_index; @@ -171,12 +175,11 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL); - if(!pool->free_map) { + if (!pool->free_map) return -1; - } pool->dma_addr = kmalloc(sizeof(dma_addr_t) * pool->size, GFP_KERNEL); - if(!pool->dma_addr) { + if (!pool->dma_addr) { kfree(pool->free_map); pool->free_map = NULL; return -1; @@ -184,7 +187,7 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) pool->skbuff = kcalloc(pool->size, sizeof(void *), GFP_KERNEL); - if(!pool->skbuff) { + if (!pool->skbuff) { kfree(pool->dma_addr); pool->dma_addr = NULL; @@ -195,9 +198,8 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) memset(pool->dma_addr, 0, sizeof(dma_addr_t) * pool->size); - for(i = 0; i < pool->size; ++i) { + for (i = 0; i < pool->size; ++i) pool->free_map[i] = i; - } atomic_set(&pool->available, 0); pool->producer_index = 0; @@ -217,7 +219,8 @@ static inline void ibmveth_flush_buffer(void *addr, unsigned long length) /* replenish the buffers for a pool. note that we don't need to * skb_reserve these since they are used for incoming... */ -static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struct ibmveth_buff_pool *pool) +static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, + struct ibmveth_buff_pool *pool) { u32 i; u32 count = pool->size - atomic_read(&pool->available); @@ -230,12 +233,12 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc mb(); - for(i = 0; i < count; ++i) { + for (i = 0; i < count; ++i) { union ibmveth_buf_desc desc; skb = netdev_alloc_skb(adapter->netdev, pool->buff_size); - if(!skb) { + if (!skb) { netdev_dbg(adapter->netdev, "replenish: unable to allocate skb\n"); adapter->replenish_no_mem++; @@ -262,7 +265,7 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc pool->skbuff[index] = skb; correlator = ((u64)pool->index << 32) | index; - *(u64*)skb->data = correlator; + *(u64 *)skb->data = correlator; desc.fields.flags_len = IBMVETH_BUF_VALID | pool->buff_size; desc.fields.address = dma_addr; @@ -273,11 +276,12 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc IBMVETH_BUFF_OH); ibmveth_flush_buffer(skb->data, len); } - lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc); + lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, + desc.desc); - if (lpar_rc != H_SUCCESS) + if (lpar_rc != H_SUCCESS) { goto failure; - else { + } else { buffers_added++; adapter->replenish_add_buff_success++; } @@ -320,21 +324,23 @@ static void ibmveth_replenish_task(struct ibmveth_adapter *adapter) ibmveth_replenish_buffer_pool(adapter, pool); } - adapter->rx_no_buffer = *(u64*)(((char*)adapter->buffer_list_addr) + 4096 - 8); + adapter->rx_no_buffer = *(u64 *)(((char*)adapter->buffer_list_addr) + + 4096 - 8); } /* empty and free ana buffer pool - also used to do cleanup in error paths */ -static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, struct ibmveth_buff_pool *pool) +static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, + struct ibmveth_buff_pool *pool) { int i; kfree(pool->free_map); pool->free_map = NULL; - if(pool->skbuff && pool->dma_addr) { - for(i = 0; i < pool->size; ++i) { + if (pool->skbuff && pool->dma_addr) { + for (i = 0; i < pool->size; ++i) { struct sk_buff *skb = pool->skbuff[i]; - if(skb) { + if (skb) { dma_unmap_single(&adapter->vdev->dev, pool->dma_addr[i], pool->buff_size, @@ -345,19 +351,20 @@ static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, struct ibm } } - if(pool->dma_addr) { + if (pool->dma_addr) { kfree(pool->dma_addr); pool->dma_addr = NULL; } - if(pool->skbuff) { + if (pool->skbuff) { kfree(pool->skbuff); pool->skbuff = NULL; } } /* remove a buffer from a pool */ -static void ibmveth_remove_buffer_from_pool(struct ibmveth_adapter *adapter, u64 correlator) +static void ibmveth_remove_buffer_from_pool(struct ibmveth_adapter *adapter, + u64 correlator) { unsigned int pool = correlator >> 32; unsigned int index = correlator & 0xffffffffUL; @@ -416,7 +423,7 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter) ibmveth_assert(pool < IBMVETH_NUM_BUFF_POOLS); ibmveth_assert(index < adapter->rx_buff_pool[pool].size); - if(!adapter->rx_buff_pool[pool].active) { + if (!adapter->rx_buff_pool[pool].active) { ibmveth_rxq_harvest_buffer(adapter); ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[pool]); return; @@ -428,13 +435,13 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter) lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc); - if(lpar_rc != H_SUCCESS) { + if (lpar_rc != H_SUCCESS) { netdev_dbg(adapter->netdev, "h_add_logical_lan_buffer failed " "during recycle rc=%ld", lpar_rc); ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator); } - if(++adapter->rx_queue.index == adapter->rx_queue.num_slots) { + if (++adapter->rx_queue.index == adapter->rx_queue.num_slots) { adapter->rx_queue.index = 0; adapter->rx_queue.toggle = !adapter->rx_queue.toggle; } @@ -444,7 +451,7 @@ static void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter) { ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator); - if(++adapter->rx_queue.index == adapter->rx_queue.num_slots) { + if (++adapter->rx_queue.index == adapter->rx_queue.num_slots) { adapter->rx_queue.index = 0; adapter->rx_queue.toggle = !adapter->rx_queue.toggle; } @@ -455,7 +462,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) int i; struct device *dev = &adapter->vdev->dev; - if(adapter->buffer_list_addr != NULL) { + if (adapter->buffer_list_addr != NULL) { if (!dma_mapping_error(dev, adapter->buffer_list_dma)) { dma_unmap_single(dev, adapter->buffer_list_dma, 4096, DMA_BIDIRECTIONAL); @@ -465,7 +472,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) adapter->buffer_list_addr = NULL; } - if(adapter->filter_list_addr != NULL) { + if (adapter->filter_list_addr != NULL) { if (!dma_mapping_error(dev, adapter->filter_list_dma)) { dma_unmap_single(dev, adapter->filter_list_dma, 4096, DMA_BIDIRECTIONAL); @@ -475,7 +482,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) adapter->filter_list_addr = NULL; } - if(adapter->rx_queue.queue_addr != NULL) { + if (adapter->rx_queue.queue_addr != NULL) { if (!dma_mapping_error(dev, adapter->rx_queue.queue_dma)) { dma_unmap_single(dev, adapter->rx_queue.queue_dma, @@ -487,7 +494,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) adapter->rx_queue.queue_addr = NULL; } - for(i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) + for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) if (adapter->rx_buff_pool[i].active) ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[i]); @@ -510,9 +517,11 @@ static int ibmveth_register_logical_lan(struct ibmveth_adapter *adapter, { int rc, try_again = 1; - /* After a kexec the adapter will still be open, so our attempt to - * open it will fail. So if we get a failure we free the adapter and - * try again, but only once. */ + /* + * After a kexec the adapter will still be open, so our attempt to + * open it will fail. So if we get a failure we free the adapter and + * try again, but only once. + */ retry: rc = h_register_logical_lan(adapter->vdev->unit_address, adapter->buffer_list_dma, rxq_desc.desc, @@ -551,7 +560,7 @@ static int ibmveth_open(struct net_device *netdev) adapter->buffer_list_addr = (void*) get_zeroed_page(GFP_KERNEL); adapter->filter_list_addr = (void*) get_zeroed_page(GFP_KERNEL); - if(!adapter->buffer_list_addr || !adapter->filter_list_addr) { + if (!adapter->buffer_list_addr || !adapter->filter_list_addr) { netdev_err(netdev, "unable to allocate filter or buffer list " "pages\n"); ibmveth_cleanup(adapter); @@ -559,10 +568,12 @@ static int ibmveth_open(struct net_device *netdev) return -ENOMEM; } - adapter->rx_queue.queue_len = sizeof(struct ibmveth_rx_q_entry) * rxq_entries; - adapter->rx_queue.queue_addr = kmalloc(adapter->rx_queue.queue_len, GFP_KERNEL); + adapter->rx_queue.queue_len = sizeof(struct ibmveth_rx_q_entry) * + rxq_entries; + adapter->rx_queue.queue_addr = kmalloc(adapter->rx_queue.queue_len, + GFP_KERNEL); - if(!adapter->rx_queue.queue_addr) { + if (!adapter->rx_queue.queue_addr) { netdev_err(netdev, "unable to allocate rx queue pages\n"); ibmveth_cleanup(adapter); napi_disable(&adapter->napi); @@ -596,7 +607,8 @@ static int ibmveth_open(struct net_device *netdev) memcpy(&mac_address, netdev->dev_addr, netdev->addr_len); mac_address = mac_address >> 16; - rxq_desc.fields.flags_len = IBMVETH_BUF_VALID | adapter->rx_queue.queue_len; + rxq_desc.fields.flags_len = IBMVETH_BUF_VALID | + adapter->rx_queue.queue_len; rxq_desc.fields.address = adapter->rx_queue.queue_dma; netdev_dbg(netdev, "buffer list @ 0x%p\n", adapter->buffer_list_addr); @@ -607,7 +619,7 @@ static int ibmveth_open(struct net_device *netdev) lpar_rc = ibmveth_register_logical_lan(adapter, rxq_desc, mac_address); - if(lpar_rc != H_SUCCESS) { + if (lpar_rc != H_SUCCESS) { netdev_err(netdev, "h_register_logical_lan failed with %ld\n", lpar_rc); netdev_err(netdev, "buffer TCE:0x%llx filter TCE:0x%llx rxq " @@ -621,8 +633,8 @@ static int ibmveth_open(struct net_device *netdev) return -ENONET; } - for(i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { - if(!adapter->rx_buff_pool[i].active) + for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { + if (!adapter->rx_buff_pool[i].active) continue; if (ibmveth_alloc_buffer_pool(&adapter->rx_buff_pool[i])) { netdev_err(netdev, "unable to alloc pool\n"); @@ -634,7 +646,9 @@ static int ibmveth_open(struct net_device *netdev) } netdev_dbg(netdev, "registering irq 0x%x\n", netdev->irq); - if((rc = request_irq(netdev->irq, ibmveth_interrupt, 0, netdev->name, netdev)) != 0) { + rc = request_irq(netdev->irq, ibmveth_interrupt, 0, netdev->name, + netdev); + if (rc != 0) { netdev_err(netdev, "unable to request irq 0x%x, rc %d\n", netdev->irq, rc); do { @@ -692,15 +706,15 @@ static int ibmveth_close(struct net_device *netdev) lpar_rc = h_free_logical_lan(adapter->vdev->unit_address); } while (H_IS_LONG_BUSY(lpar_rc) || (lpar_rc == H_BUSY)); - if(lpar_rc != H_SUCCESS) - { + if (lpar_rc != H_SUCCESS) { netdev_err(netdev, "h_free_logical_lan failed with %lx, " "continuing with close\n", lpar_rc); } free_irq(netdev->irq, netdev); - adapter->rx_no_buffer = *(u64*)(((char*)adapter->buffer_list_addr) + 4096 - 8); + adapter->rx_no_buffer = *(u64 *)(((char *)adapter->buffer_list_addr) + + 4096 - 8); ibmveth_cleanup(adapter); @@ -709,9 +723,12 @@ static int ibmveth_close(struct net_device *netdev) return 0; } -static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { - cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE); - cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | ADVERTISED_FIBRE); +static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | + SUPPORTED_FIBRE); + cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | + ADVERTISED_FIBRE); cmd->speed = SPEED_1000; cmd->duplex = DUPLEX_FULL; cmd->port = PORT_FIBRE; @@ -723,12 +740,16 @@ static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) return 0; } -static void netdev_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info) { +static void netdev_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ strncpy(info->driver, ibmveth_driver_name, sizeof(info->driver) - 1); - strncpy(info->version, ibmveth_driver_version, sizeof(info->version) - 1); + strncpy(info->version, ibmveth_driver_version, + sizeof(info->version) - 1); } -static u32 netdev_get_link(struct net_device *dev) { +static u32 netdev_get_link(struct net_device *dev) +{ return 1; } @@ -736,15 +757,16 @@ static void ibmveth_set_rx_csum_flags(struct net_device *dev, u32 data) { struct ibmveth_adapter *adapter = netdev_priv(dev); - if (data) + if (data) { adapter->rx_csum = 1; - else { + } else { /* - * Since the ibmveth firmware interface does not have the concept of - * separate tx/rx checksum offload enable, if rx checksum is disabled - * we also have to disable tx checksum offload. Once we disable rx - * checksum offload, we are no longer allowed to send tx buffers that - * are not properly checksummed. + * Since the ibmveth firmware interface does not have the + * concept of separate tx/rx checksum offload enable, if rx + * checksum is disabled we also have to disable tx checksum + * offload. Once we disable rx checksum offload, we are no + * longer allowed to send tx buffers that are not properly + * checksummed. */ adapter->rx_csum = 0; dev->features &= ~NETIF_F_IP_CSUM; @@ -811,8 +833,9 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data, ret = h_illan_attributes(adapter->vdev->unit_address, set_attr, clr_attr, &ret_attr); - } else + } else { adapter->fw_ipv4_csum_support = data; + } ret6 = h_illan_attributes(adapter->vdev->unit_address, clr_attr6, set_attr6, &ret_attr); @@ -866,7 +889,8 @@ static int ibmveth_set_tx_csum(struct net_device *dev, u32 data) return 0; if (data && !adapter->rx_csum) - rc = ibmveth_set_csum_offload(dev, data, ibmveth_set_tx_csum_flags); + rc = ibmveth_set_csum_offload(dev, data, + ibmveth_set_tx_csum_flags); else ibmveth_set_tx_csum_flags(dev, data); @@ -1091,12 +1115,13 @@ map_failed: static int ibmveth_poll(struct napi_struct *napi, int budget) { - struct ibmveth_adapter *adapter = container_of(napi, struct ibmveth_adapter, napi); + struct ibmveth_adapter *adapter = + container_of(napi, struct ibmveth_adapter, napi); struct net_device *netdev = adapter->netdev; int frames_processed = 0; unsigned long lpar_rc; - restart_poll: +restart_poll: do { if (!ibmveth_rxq_pending_buffer(adapter)) break; @@ -1197,7 +1222,7 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) IbmVethMcastEnableRecv | IbmVethMcastDisableFiltering, 0); - if(lpar_rc != H_SUCCESS) { + if (lpar_rc != H_SUCCESS) { netdev_err(netdev, "h_multicast_ctrl rc=%ld when " "entering promisc mode\n", lpar_rc); } @@ -1209,20 +1234,20 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) IbmVethMcastDisableFiltering | IbmVethMcastClearFilterTable, 0); - if(lpar_rc != H_SUCCESS) { + if (lpar_rc != H_SUCCESS) { netdev_err(netdev, "h_multicast_ctrl rc=%ld when " "attempting to clear filter table\n", lpar_rc); } /* add the addresses to the filter table */ netdev_for_each_mc_addr(ha, netdev) { - // add the multicast address to the filter table + /* add the multicast address to the filter table */ unsigned long mcast_addr = 0; memcpy(((char *)&mcast_addr)+2, ha->addr, 6); lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, IbmVethMcastAddFilter, mcast_addr); - if(lpar_rc != H_SUCCESS) { + if (lpar_rc != H_SUCCESS) { netdev_err(netdev, "h_multicast_ctrl rc=%ld " "when adding an entry to the filter " "table\n", lpar_rc); @@ -1233,7 +1258,7 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, IbmVethMcastEnableFiltering, 0); - if(lpar_rc != H_SUCCESS) { + if (lpar_rc != H_SUCCESS) { netdev_err(netdev, "h_multicast_ctrl rc=%ld when " "enabling filtering\n", lpar_rc); } @@ -1268,7 +1293,7 @@ static int ibmveth_change_mtu(struct net_device *dev, int new_mtu) } /* Look for an active buffer pool that can hold the new MTU */ - for(i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { + for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { adapter->rx_buff_pool[i].active = 1; if (new_mtu_oh < adapter->rx_buff_pool[i].buff_size) { @@ -1351,29 +1376,28 @@ static const struct net_device_ops ibmveth_netdev_ops = { #endif }; -static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) +static int __devinit ibmveth_probe(struct vio_dev *dev, + const struct vio_device_id *id) { int rc, i; struct net_device *netdev; struct ibmveth_adapter *adapter; - unsigned char *mac_addr_p; unsigned int *mcastFilterSize_p; - dev_dbg(&dev->dev, "entering ibmveth_probe for UA 0x%x\n", dev->unit_address); - mac_addr_p = (unsigned char *) vio_get_attribute(dev, - VETH_MAC_ADDR, NULL); - if(!mac_addr_p) { + mac_addr_p = (unsigned char *)vio_get_attribute(dev, VETH_MAC_ADDR, + NULL); + if (!mac_addr_p) { dev_err(&dev->dev, "Can't find VETH_MAC_ADDR attribute\n"); return 0; } - mcastFilterSize_p = (unsigned int *) vio_get_attribute(dev, + mcastFilterSize_p = (unsigned int *)vio_get_attribute(dev, VETH_MCAST_FILTER_SIZE, NULL); - if(!mcastFilterSize_p) { + if (!mcastFilterSize_p) { dev_err(&dev->dev, "Can't find VETH_MCAST_FILTER_SIZE " "attribute\n"); return 0; @@ -1381,7 +1405,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ netdev = alloc_etherdev(sizeof(struct ibmveth_adapter)); - if(!netdev) + if (!netdev) return -ENOMEM; adapter = netdev_priv(netdev); @@ -1389,19 +1413,19 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ adapter->vdev = dev; adapter->netdev = netdev; - adapter->mcastFilterSize= *mcastFilterSize_p; + adapter->mcastFilterSize = *mcastFilterSize_p; adapter->pool_config = 0; netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16); - /* Some older boxes running PHYP non-natively have an OF that - returns a 8-byte local-mac-address field (and the first - 2 bytes have to be ignored) while newer boxes' OF return - a 6-byte field. Note that IEEE 1275 specifies that - local-mac-address must be a 6-byte field. - The RPA doc specifies that the first byte must be 10b, so - we'll just look for it to solve this 8 vs. 6 byte field issue */ - + /* + * Some older boxes running PHYP non-natively have an OF that returns + * a 8-byte local-mac-address field (and the first 2 bytes have to be + * ignored) while newer boxes' OF return a 6-byte field. Note that + * IEEE 1275 specifies that local-mac-address must be a 6-byte field. + * The RPA doc specifies that the first byte must be 10b, so we'll + * just look for it to solve this 8 vs. 6 byte field issue + */ if ((*mac_addr_p & 0x3) != 0x02) mac_addr_p += 2; @@ -1416,7 +1440,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ memcpy(netdev->dev_addr, &adapter->mac_addr, netdev->addr_len); - for(i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { + for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { struct kobject *kobj = &adapter->rx_buff_pool[i].kobj; int error; @@ -1441,7 +1465,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ rc = register_netdev(netdev); - if(rc) { + if (rc) { netdev_dbg(netdev, "failed to register netdev rc=%d\n", rc); free_netdev(netdev); return rc; @@ -1458,7 +1482,7 @@ static int __devexit ibmveth_remove(struct vio_dev *dev) struct ibmveth_adapter *adapter = netdev_priv(netdev); int i; - for(i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) + for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) kobject_put(&adapter->rx_buff_pool[i].kobj); unregister_netdev(netdev); @@ -1473,8 +1497,8 @@ static struct attribute veth_active_attr; static struct attribute veth_num_attr; static struct attribute veth_size_attr; -static ssize_t veth_pool_show(struct kobject * kobj, - struct attribute * attr, char * buf) +static ssize_t veth_pool_show(struct kobject *kobj, + struct attribute *attr, char *buf) { struct ibmveth_buff_pool *pool = container_of(kobj, struct ibmveth_buff_pool, @@ -1489,8 +1513,8 @@ static ssize_t veth_pool_show(struct kobject * kobj, return 0; } -static ssize_t veth_pool_store(struct kobject * kobj, struct attribute * attr, -const char * buf, size_t count) +static ssize_t veth_pool_store(struct kobject *kobj, struct attribute *attr, + const char *buf, size_t count) { struct ibmveth_buff_pool *pool = container_of(kobj, struct ibmveth_buff_pool, @@ -1504,7 +1528,7 @@ const char * buf, size_t count) if (attr == &veth_active_attr) { if (value && !pool->active) { if (netif_running(netdev)) { - if(ibmveth_alloc_buffer_pool(pool)) { + if (ibmveth_alloc_buffer_pool(pool)) { netdev_err(netdev, "unable to alloc pool\n"); return -ENOMEM; @@ -1515,8 +1539,9 @@ const char * buf, size_t count) adapter->pool_config = 0; if ((rc = ibmveth_open(netdev))) return rc; - } else + } else { pool->active = 1; + } } else if (!value && pool->active) { int mtu = netdev->mtu + IBMVETH_BUFF_OH; int i; @@ -1547,9 +1572,9 @@ const char * buf, size_t count) pool->active = 0; } } else if (attr == &veth_num_attr) { - if (value <= 0 || value > IBMVETH_MAX_POOL_COUNT) + if (value <= 0 || value > IBMVETH_MAX_POOL_COUNT) { return -EINVAL; - else { + } else { if (netif_running(netdev)) { adapter->pool_config = 1; ibmveth_close(netdev); @@ -1557,13 +1582,14 @@ const char * buf, size_t count) pool->size = value; if ((rc = ibmveth_open(netdev))) return rc; - } else + } else { pool->size = value; + } } } else if (attr == &veth_size_attr) { - if (value <= IBMVETH_BUFF_OH || value > IBMVETH_MAX_BUF_SIZE) + if (value <= IBMVETH_BUFF_OH || value > IBMVETH_MAX_BUF_SIZE) { return -EINVAL; - else { + } else { if (netif_running(netdev)) { adapter->pool_config = 1; ibmveth_close(netdev); @@ -1571,8 +1597,9 @@ const char * buf, size_t count) pool->buff_size = value; if ((rc = ibmveth_open(netdev))) return rc; - } else + } else { pool->buff_size = value; + } } } @@ -1582,16 +1609,16 @@ const char * buf, size_t count) } -#define ATTR(_name, _mode) \ - struct attribute veth_##_name##_attr = { \ - .name = __stringify(_name), .mode = _mode, \ - }; +#define ATTR(_name, _mode) \ + struct attribute veth_##_name##_attr = { \ + .name = __stringify(_name), .mode = _mode, \ + }; static ATTR(active, 0644); static ATTR(num, 0644); static ATTR(size, 0644); -static struct attribute * veth_pool_attrs[] = { +static struct attribute *veth_pool_attrs[] = { &veth_active_attr, &veth_num_attr, &veth_size_attr, @@ -1616,7 +1643,7 @@ static int ibmveth_resume(struct device *dev) return 0; } -static struct vio_device_id ibmveth_device_table[] __devinitdata= { +static struct vio_device_id ibmveth_device_table[] __devinitdata = { { "network", "IBM,l-lan"}, { "", "" } };