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ibmveth: Coding style fixes
Fix most of the kernel coding style issues in ibmveth. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Santiago Leon
David S. Miller
parent
517e80e678
commit
f148f61d89
@ -1,31 +1,29 @@
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/**************************************************************************/
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/* */
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/* IBM eServer i/pSeries Virtual Ethernet Device Driver */
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/* Copyright (C) 2003 IBM Corp. */
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/* Originally written by Dave Larson (larson1@us.ibm.com) */
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/* Maintained by Santiago Leon (santil@us.ibm.com) */
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/* */
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/* This program is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU General Public License as published by */
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/* the Free Software Foundation; either version 2 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, */
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/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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/* GNU General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU General Public License */
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/* along with this program; if not, write to the Free Software */
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/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 */
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/* USA */
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/* */
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/* This module contains the implementation of a virtual ethernet device */
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/* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */
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/* option of the RS/6000 Platform Architechture to interface with virtual */
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/* ethernet NICs that are presented to the partition by the hypervisor. */
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/* */
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/**************************************************************************/
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/*
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* IBM eServer i/pSeries Virtual Ethernet Device Driver
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* Copyright (C) 2003 IBM Corp.
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* Originally written by Dave Larson (larson1@us.ibm.com)
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* Maintained by Santiago Leon (santil@us.ibm.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* This module contains the implementation of a virtual ethernet device
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* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN
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* option of the RS/6000 Platform Architechture to interface with virtual
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* ethernet NICs that are presented to the partition by the hypervisor.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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@ -59,7 +57,7 @@
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#ifdef DEBUG
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#define ibmveth_assert(expr) \
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if(!(expr)) { \
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if (!(expr)) { \
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printk(KERN_DEBUG "assertion failed (%s:%3.3d ua:%x): %s\n", __FILE__, __LINE__, adapter->vdev->unit_address, #expr); \
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BUG(); \
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}
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@ -75,7 +73,8 @@ static struct kobj_type ktype_veth_pool;
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static const char ibmveth_driver_name[] = "ibmveth";
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static const char ibmveth_driver_string[] = "IBM i/pSeries Virtual Ethernet Driver";
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static const char ibmveth_driver_string[] = "IBM i/pSeries Virtual Ethernet "
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"Driver";
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#define ibmveth_driver_version "1.03"
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MODULE_AUTHOR("Santiago Leon <santil@us.ibm.com>");
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@ -108,8 +107,10 @@ struct ibmveth_stat {
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struct ibmveth_stat ibmveth_stats[] = {
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{ "replenish_task_cycles", IBMVETH_STAT_OFF(replenish_task_cycles) },
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{ "replenish_no_mem", IBMVETH_STAT_OFF(replenish_no_mem) },
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{ "replenish_add_buff_failure", IBMVETH_STAT_OFF(replenish_add_buff_failure) },
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{ "replenish_add_buff_success", IBMVETH_STAT_OFF(replenish_add_buff_success) },
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{ "replenish_add_buff_failure",
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IBMVETH_STAT_OFF(replenish_add_buff_failure) },
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{ "replenish_add_buff_success",
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IBMVETH_STAT_OFF(replenish_add_buff_success) },
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{ "rx_invalid_buffer", IBMVETH_STAT_OFF(rx_invalid_buffer) },
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{ "rx_no_buffer", IBMVETH_STAT_OFF(rx_no_buffer) },
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{ "tx_map_failed", IBMVETH_STAT_OFF(tx_map_failed) },
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@ -126,36 +127,39 @@ static inline u32 ibmveth_rxq_flags(struct ibmveth_adapter *adapter)
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static inline int ibmveth_rxq_toggle(struct ibmveth_adapter *adapter)
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{
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return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_TOGGLE) >> IBMVETH_RXQ_TOGGLE_SHIFT;
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return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_TOGGLE) >>
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IBMVETH_RXQ_TOGGLE_SHIFT;
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}
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static inline int ibmveth_rxq_pending_buffer(struct ibmveth_adapter *adapter)
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{
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return (ibmveth_rxq_toggle(adapter) == adapter->rx_queue.toggle);
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return ibmveth_rxq_toggle(adapter) == adapter->rx_queue.toggle;
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}
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static inline int ibmveth_rxq_buffer_valid(struct ibmveth_adapter *adapter)
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{
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return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_VALID);
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return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_VALID;
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}
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static inline int ibmveth_rxq_frame_offset(struct ibmveth_adapter *adapter)
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{
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return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_OFF_MASK);
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return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_OFF_MASK;
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}
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static inline int ibmveth_rxq_frame_length(struct ibmveth_adapter *adapter)
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{
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return (adapter->rx_queue.queue_addr[adapter->rx_queue.index].length);
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return adapter->rx_queue.queue_addr[adapter->rx_queue.index].length;
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}
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static inline int ibmveth_rxq_csum_good(struct ibmveth_adapter *adapter)
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{
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return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_CSUM_GOOD);
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return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_CSUM_GOOD;
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}
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/* setup the initial settings for a buffer pool */
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static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool, u32 pool_index, u32 pool_size, u32 buff_size, u32 pool_active)
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static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool,
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u32 pool_index, u32 pool_size,
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u32 buff_size, u32 pool_active)
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{
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pool->size = pool_size;
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pool->index = pool_index;
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@ -171,12 +175,11 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool)
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pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL);
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if(!pool->free_map) {
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if (!pool->free_map)
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return -1;
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}
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pool->dma_addr = kmalloc(sizeof(dma_addr_t) * pool->size, GFP_KERNEL);
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if(!pool->dma_addr) {
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if (!pool->dma_addr) {
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kfree(pool->free_map);
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pool->free_map = NULL;
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return -1;
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@ -184,7 +187,7 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool)
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pool->skbuff = kcalloc(pool->size, sizeof(void *), GFP_KERNEL);
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if(!pool->skbuff) {
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if (!pool->skbuff) {
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kfree(pool->dma_addr);
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pool->dma_addr = NULL;
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@ -195,9 +198,8 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool)
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memset(pool->dma_addr, 0, sizeof(dma_addr_t) * pool->size);
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for(i = 0; i < pool->size; ++i) {
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for (i = 0; i < pool->size; ++i)
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pool->free_map[i] = i;
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}
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atomic_set(&pool->available, 0);
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pool->producer_index = 0;
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@ -217,7 +219,8 @@ static inline void ibmveth_flush_buffer(void *addr, unsigned long length)
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/* replenish the buffers for a pool. note that we don't need to
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* skb_reserve these since they are used for incoming...
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*/
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static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struct ibmveth_buff_pool *pool)
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static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter,
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struct ibmveth_buff_pool *pool)
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{
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u32 i;
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u32 count = pool->size - atomic_read(&pool->available);
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@ -230,12 +233,12 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc
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mb();
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for(i = 0; i < count; ++i) {
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for (i = 0; i < count; ++i) {
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union ibmveth_buf_desc desc;
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skb = netdev_alloc_skb(adapter->netdev, pool->buff_size);
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if(!skb) {
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if (!skb) {
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netdev_dbg(adapter->netdev,
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"replenish: unable to allocate skb\n");
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adapter->replenish_no_mem++;
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@ -262,7 +265,7 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc
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pool->skbuff[index] = skb;
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correlator = ((u64)pool->index << 32) | index;
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*(u64*)skb->data = correlator;
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*(u64 *)skb->data = correlator;
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desc.fields.flags_len = IBMVETH_BUF_VALID | pool->buff_size;
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desc.fields.address = dma_addr;
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@ -273,11 +276,12 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc
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IBMVETH_BUFF_OH);
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ibmveth_flush_buffer(skb->data, len);
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}
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lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc);
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lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address,
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desc.desc);
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if (lpar_rc != H_SUCCESS)
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if (lpar_rc != H_SUCCESS) {
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goto failure;
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else {
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} else {
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buffers_added++;
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adapter->replenish_add_buff_success++;
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}
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@ -320,21 +324,23 @@ static void ibmveth_replenish_task(struct ibmveth_adapter *adapter)
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ibmveth_replenish_buffer_pool(adapter, pool);
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}
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adapter->rx_no_buffer = *(u64*)(((char*)adapter->buffer_list_addr) + 4096 - 8);
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adapter->rx_no_buffer = *(u64 *)(((char*)adapter->buffer_list_addr) +
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4096 - 8);
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}
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/* empty and free ana buffer pool - also used to do cleanup in error paths */
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static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, struct ibmveth_buff_pool *pool)
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static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter,
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struct ibmveth_buff_pool *pool)
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{
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int i;
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kfree(pool->free_map);
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pool->free_map = NULL;
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if(pool->skbuff && pool->dma_addr) {
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for(i = 0; i < pool->size; ++i) {
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if (pool->skbuff && pool->dma_addr) {
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for (i = 0; i < pool->size; ++i) {
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struct sk_buff *skb = pool->skbuff[i];
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if(skb) {
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if (skb) {
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dma_unmap_single(&adapter->vdev->dev,
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pool->dma_addr[i],
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pool->buff_size,
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@ -345,19 +351,20 @@ static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, struct ibm
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}
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}
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if(pool->dma_addr) {
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if (pool->dma_addr) {
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kfree(pool->dma_addr);
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pool->dma_addr = NULL;
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}
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if(pool->skbuff) {
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if (pool->skbuff) {
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kfree(pool->skbuff);
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pool->skbuff = NULL;
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}
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}
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/* remove a buffer from a pool */
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static void ibmveth_remove_buffer_from_pool(struct ibmveth_adapter *adapter, u64 correlator)
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static void ibmveth_remove_buffer_from_pool(struct ibmveth_adapter *adapter,
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u64 correlator)
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{
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unsigned int pool = correlator >> 32;
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unsigned int index = correlator & 0xffffffffUL;
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@ -416,7 +423,7 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter)
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ibmveth_assert(pool < IBMVETH_NUM_BUFF_POOLS);
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ibmveth_assert(index < adapter->rx_buff_pool[pool].size);
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if(!adapter->rx_buff_pool[pool].active) {
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if (!adapter->rx_buff_pool[pool].active) {
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ibmveth_rxq_harvest_buffer(adapter);
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ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[pool]);
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return;
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@ -428,13 +435,13 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter)
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lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc);
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if(lpar_rc != H_SUCCESS) {
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if (lpar_rc != H_SUCCESS) {
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netdev_dbg(adapter->netdev, "h_add_logical_lan_buffer failed "
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"during recycle rc=%ld", lpar_rc);
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ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator);
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}
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if(++adapter->rx_queue.index == adapter->rx_queue.num_slots) {
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if (++adapter->rx_queue.index == adapter->rx_queue.num_slots) {
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adapter->rx_queue.index = 0;
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adapter->rx_queue.toggle = !adapter->rx_queue.toggle;
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}
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@ -444,7 +451,7 @@ static void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter)
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{
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ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator);
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if(++adapter->rx_queue.index == adapter->rx_queue.num_slots) {
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if (++adapter->rx_queue.index == adapter->rx_queue.num_slots) {
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adapter->rx_queue.index = 0;
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adapter->rx_queue.toggle = !adapter->rx_queue.toggle;
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}
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@ -455,7 +462,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter)
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int i;
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struct device *dev = &adapter->vdev->dev;
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if(adapter->buffer_list_addr != NULL) {
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if (adapter->buffer_list_addr != NULL) {
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if (!dma_mapping_error(dev, adapter->buffer_list_dma)) {
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dma_unmap_single(dev, adapter->buffer_list_dma, 4096,
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DMA_BIDIRECTIONAL);
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@ -465,7 +472,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter)
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adapter->buffer_list_addr = NULL;
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}
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if(adapter->filter_list_addr != NULL) {
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if (adapter->filter_list_addr != NULL) {
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if (!dma_mapping_error(dev, adapter->filter_list_dma)) {
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dma_unmap_single(dev, adapter->filter_list_dma, 4096,
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DMA_BIDIRECTIONAL);
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@ -475,7 +482,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter)
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adapter->filter_list_addr = NULL;
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}
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if(adapter->rx_queue.queue_addr != NULL) {
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if (adapter->rx_queue.queue_addr != NULL) {
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if (!dma_mapping_error(dev, adapter->rx_queue.queue_dma)) {
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dma_unmap_single(dev,
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adapter->rx_queue.queue_dma,
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@ -487,7 +494,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter)
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adapter->rx_queue.queue_addr = NULL;
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}
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for(i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++)
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for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++)
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if (adapter->rx_buff_pool[i].active)
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ibmveth_free_buffer_pool(adapter,
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&adapter->rx_buff_pool[i]);
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@ -510,9 +517,11 @@ static int ibmveth_register_logical_lan(struct ibmveth_adapter *adapter,
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{
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int rc, try_again = 1;
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/* After a kexec the adapter will still be open, so our attempt to
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* open it will fail. So if we get a failure we free the adapter and
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* try again, but only once. */
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/*
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* After a kexec the adapter will still be open, so our attempt to
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* open it will fail. So if we get a failure we free the adapter and
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* try again, but only once.
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*/
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retry:
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rc = h_register_logical_lan(adapter->vdev->unit_address,
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adapter->buffer_list_dma, rxq_desc.desc,
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@ -551,7 +560,7 @@ static int ibmveth_open(struct net_device *netdev)
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adapter->buffer_list_addr = (void*) get_zeroed_page(GFP_KERNEL);
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adapter->filter_list_addr = (void*) get_zeroed_page(GFP_KERNEL);
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if(!adapter->buffer_list_addr || !adapter->filter_list_addr) {
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if (!adapter->buffer_list_addr || !adapter->filter_list_addr) {
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netdev_err(netdev, "unable to allocate filter or buffer list "
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"pages\n");
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ibmveth_cleanup(adapter);
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@ -559,10 +568,12 @@ static int ibmveth_open(struct net_device *netdev)
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return -ENOMEM;
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}
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adapter->rx_queue.queue_len = sizeof(struct ibmveth_rx_q_entry) * rxq_entries;
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adapter->rx_queue.queue_addr = kmalloc(adapter->rx_queue.queue_len, GFP_KERNEL);
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adapter->rx_queue.queue_len = sizeof(struct ibmveth_rx_q_entry) *
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rxq_entries;
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adapter->rx_queue.queue_addr = kmalloc(adapter->rx_queue.queue_len,
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GFP_KERNEL);
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if(!adapter->rx_queue.queue_addr) {
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if (!adapter->rx_queue.queue_addr) {
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netdev_err(netdev, "unable to allocate rx queue pages\n");
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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 @@ static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb,
|
||||
|
||||
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"},
|
||||
{ "", "" }
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user