diff options
Diffstat (limited to 'drivers/net/enic/enic_main.c')
| -rw-r--r-- | drivers/net/enic/enic_main.c | 84 |
1 files changed, 45 insertions, 39 deletions
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c index 7d60551d538f..03403a51f7ea 100644 --- a/drivers/net/enic/enic_main.c +++ b/drivers/net/enic/enic_main.c @@ -400,10 +400,13 @@ static irqreturn_t enic_isr_legacy(int irq, void *data) return IRQ_NONE; /* not our interrupt */ } - if (ENIC_TEST_INTR(pba, ENIC_INTX_NOTIFY)) + if (ENIC_TEST_INTR(pba, ENIC_INTX_NOTIFY)) { + vnic_intr_return_all_credits(&enic->intr[ENIC_INTX_NOTIFY]); enic_notify_check(enic); + } if (ENIC_TEST_INTR(pba, ENIC_INTX_ERR)) { + vnic_intr_return_all_credits(&enic->intr[ENIC_INTX_ERR]); enic_log_q_error(enic); /* schedule recovery from WQ/RQ error */ schedule_work(&enic->reset); @@ -411,8 +414,8 @@ static irqreturn_t enic_isr_legacy(int irq, void *data) } if (ENIC_TEST_INTR(pba, ENIC_INTX_WQ_RQ)) { - if (netif_rx_schedule_prep(&enic->napi)) - __netif_rx_schedule(&enic->napi); + if (napi_schedule_prep(&enic->napi)) + __napi_schedule(&enic->napi); } else { vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]); } @@ -440,7 +443,7 @@ static irqreturn_t enic_isr_msi(int irq, void *data) * writes). */ - netif_rx_schedule(&enic->napi); + napi_schedule(&enic->napi); return IRQ_HANDLED; } @@ -450,7 +453,7 @@ static irqreturn_t enic_isr_msix_rq(int irq, void *data) struct enic *enic = data; /* schedule NAPI polling for RQ cleanup */ - netif_rx_schedule(&enic->napi); + napi_schedule(&enic->napi); return IRQ_HANDLED; } @@ -476,6 +479,8 @@ static irqreturn_t enic_isr_msix_err(int irq, void *data) { struct enic *enic = data; + vnic_intr_return_all_credits(&enic->intr[ENIC_MSIX_ERR]); + enic_log_q_error(enic); /* schedule recovery from WQ/RQ error */ @@ -488,8 +493,8 @@ static irqreturn_t enic_isr_msix_notify(int irq, void *data) { struct enic *enic = data; + vnic_intr_return_all_credits(&enic->intr[ENIC_MSIX_NOTIFY]); enic_notify_check(enic); - vnic_intr_unmask(&enic->intr[ENIC_MSIX_NOTIFY]); return IRQ_HANDLED; } @@ -570,11 +575,11 @@ static inline void enic_queue_wq_skb_tso(struct enic *enic, * to each TCP segment resulting from the TSO. */ - if (skb->protocol == __constant_htons(ETH_P_IP)) { + if (skb->protocol == cpu_to_be16(ETH_P_IP)) { ip_hdr(skb)->check = 0; tcp_hdr(skb)->check = ~csum_tcpudp_magic(ip_hdr(skb)->saddr, ip_hdr(skb)->daddr, 0, IPPROTO_TCP, 0); - } else if (skb->protocol == __constant_htons(ETH_P_IPV6)) { + } else if (skb->protocol == cpu_to_be16(ETH_P_IPV6)) { tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, 0, IPPROTO_TCP, 0); } @@ -616,7 +621,7 @@ static inline void enic_queue_wq_skb(struct enic *enic, vlan_tag_insert, vlan_tag); } -/* netif_tx_lock held, process context with BHs disabled */ +/* netif_tx_lock held, process context with BHs disabled, or BH */ static int enic_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev) { struct enic *enic = netdev_priv(netdev); @@ -683,7 +688,7 @@ static struct net_device_stats *enic_get_stats(struct net_device *netdev) net_stats->rx_bytes = stats->rx.rx_bytes_ok; net_stats->rx_errors = stats->rx.rx_errors; net_stats->multicast = stats->rx.rx_multicast_frames_ok; - net_stats->rx_crc_errors = stats->rx.rx_crc_errors; + net_stats->rx_crc_errors = enic->rq_bad_fcs; net_stats->rx_dropped = stats->rx.rx_no_bufs; return net_stats; @@ -928,12 +933,8 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, if (packet_error) { - if (bytes_written > 0 && !fcs_ok) { - if (net_ratelimit()) - printk(KERN_ERR PFX - "%s: packet error: bad FCS\n", - netdev->name); - } + if (bytes_written > 0 && !fcs_ok) + enic->rq_bad_fcs++; dev_kfree_skb_any(skb); @@ -1068,8 +1069,8 @@ static int enic_poll(struct napi_struct *napi, int budget) if (netdev->features & NETIF_F_LRO) lro_flush_all(&enic->lro_mgr); - netif_rx_complete(napi); - vnic_intr_unmask(&enic->intr[ENIC_MSIX_RQ]); + napi_complete(napi); + vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]); } return rq_work_done; @@ -1095,9 +1096,9 @@ static int enic_poll_msix(struct napi_struct *napi, int budget) vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf); - /* Accumulate intr event credits for this polling + /* Return intr event credits for this polling * cycle. An intr event is the completion of a - * a WQ or RQ packet. + * RQ packet. */ vnic_intr_return_credits(&enic->intr[ENIC_MSIX_RQ], @@ -1112,7 +1113,7 @@ static int enic_poll_msix(struct napi_struct *napi, int budget) if (netdev->features & NETIF_F_LRO) lro_flush_all(&enic->lro_mgr); - netif_rx_complete(napi); + napi_complete(napi); vnic_intr_unmask(&enic->intr[ENIC_MSIX_RQ]); } @@ -1461,6 +1462,26 @@ static int enic_dev_soft_reset(struct enic *enic) return err; } +static int enic_set_niccfg(struct enic *enic) +{ + const u8 rss_default_cpu = 0; + const u8 rss_hash_type = 0; + const u8 rss_hash_bits = 0; + const u8 rss_base_cpu = 0; + const u8 rss_enable = 0; + const u8 tso_ipid_split_en = 0; + const u8 ig_vlan_strip_en = 1; + + /* Enable VLAN tag stripping. RSS not enabled (yet). + */ + + return enic_set_nic_cfg(enic, + rss_default_cpu, rss_hash_type, + rss_hash_bits, rss_base_cpu, + rss_enable, tso_ipid_split_en, + ig_vlan_strip_en); +} + static void enic_reset(struct work_struct *work) { struct enic *enic = container_of(work, struct enic, reset); @@ -1476,8 +1497,10 @@ static void enic_reset(struct work_struct *work) enic_stop(enic->netdev); enic_dev_soft_reset(enic); + vnic_dev_init(enic->vdev, 0); enic_reset_mcaddrs(enic); enic_init_vnic_resources(enic); + enic_set_niccfg(enic); enic_open(enic->netdev); rtnl_unlock(); @@ -1620,14 +1643,6 @@ static int __devinit enic_probe(struct pci_dev *pdev, unsigned int i; int err; - const u8 rss_default_cpu = 0; - const u8 rss_hash_type = 0; - const u8 rss_hash_bits = 0; - const u8 rss_base_cpu = 0; - const u8 rss_enable = 0; - const u8 tso_ipid_split_en = 0; - const u8 ig_vlan_strip_en = 1; - /* Allocate net device structure and initialize. Private * instance data is initialized to zero. */ @@ -1793,14 +1808,7 @@ static int __devinit enic_probe(struct pci_dev *pdev, enic_init_vnic_resources(enic); - /* Enable VLAN tag stripping. RSS not enabled (yet). - */ - - err = enic_set_nic_cfg(enic, - rss_default_cpu, rss_hash_type, - rss_hash_bits, rss_base_cpu, - rss_enable, tso_ipid_split_en, - ig_vlan_strip_en); + err = enic_set_niccfg(enic); if (err) { printk(KERN_ERR PFX "Failed to config nic, aborting.\n"); @@ -1858,7 +1866,6 @@ static int __devinit enic_probe(struct pci_dev *pdev, if (using_dac) netdev->features |= NETIF_F_HIGHDMA; - enic->csum_rx_enabled = ENIC_SETTING(enic, RXCSUM); enic->lro_mgr.max_aggr = ENIC_LRO_MAX_AGGR; @@ -1870,7 +1877,6 @@ static int __devinit enic_probe(struct pci_dev *pdev, enic->lro_mgr.ip_summed = CHECKSUM_COMPLETE; enic->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY; - err = register_netdev(netdev); if (err) { printk(KERN_ERR PFX |