diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-30 23:53:32 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-30 23:53:32 +0200 |
commit | 65fb0d23fcddd8697c871047b700c78817bdaa43 (patch) | |
tree | 119e6e5f276622c4c862f6c9b6d795264ba1603a /drivers/net/enic | |
parent | 8c083f081d0014057901c68a0a3e0f8ca7ac8d23 (diff) | |
parent | dfbbe89e197a77f2c8046a51c74e33e35f878080 (diff) | |
download | op-kernel-dev-65fb0d23fcddd8697c871047b700c78817bdaa43.zip op-kernel-dev-65fb0d23fcddd8697c871047b700c78817bdaa43.tar.gz |
Merge branch 'linus' into cpumask-for-linus
Conflicts:
arch/x86/kernel/cpu/common.c
Diffstat (limited to 'drivers/net/enic')
-rw-r--r-- | drivers/net/enic/enic.h | 3 | ||||
-rw-r--r-- | drivers/net/enic/enic_main.c | 84 | ||||
-rw-r--r-- | drivers/net/enic/vnic_dev.c | 33 | ||||
-rw-r--r-- | drivers/net/enic/vnic_dev.h | 2 | ||||
-rw-r--r-- | drivers/net/enic/vnic_devcmd.h | 8 | ||||
-rw-r--r-- | drivers/net/enic/vnic_intr.h | 14 |
6 files changed, 99 insertions, 45 deletions
diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h index a832cc5..c26cea0 100644 --- a/drivers/net/enic/enic.h +++ b/drivers/net/enic/enic.h @@ -33,7 +33,7 @@ #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco 10G Ethernet Driver" -#define DRV_VERSION "1.0.0.648" +#define DRV_VERSION "1.0.0.933" #define DRV_COPYRIGHT "Copyright 2008 Cisco Systems, Inc" #define PFX DRV_NAME ": " @@ -97,6 +97,7 @@ struct enic { ____cacheline_aligned struct vnic_rq rq[1]; unsigned int rq_count; int (*rq_alloc_buf)(struct vnic_rq *rq); + u64 rq_bad_fcs; struct napi_struct napi; struct net_lro_mgr lro_mgr; struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC]; diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c index 7d60551..03403a5 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 diff --git a/drivers/net/enic/vnic_dev.c b/drivers/net/enic/vnic_dev.c index 1170857..e21b9d6 100644 --- a/drivers/net/enic/vnic_dev.c +++ b/drivers/net/enic/vnic_dev.c @@ -34,6 +34,9 @@ struct vnic_res { unsigned int count; }; +#define VNIC_DEV_CAP_INIT 0x0001 +#define VNIC_DEV_CAP_PERBI 0x0002 + struct vnic_dev { void *priv; struct pci_dev *pdev; @@ -50,6 +53,7 @@ struct vnic_dev { dma_addr_t stats_pa; struct vnic_devcmd_fw_info *fw_info; dma_addr_t fw_info_pa; + u32 cap_flags; }; #define VNIC_MAX_RES_HDR_SIZE \ @@ -575,9 +579,9 @@ int vnic_dev_init(struct vnic_dev *vdev, int arg) { u64 a0 = (u32)arg, a1 = 0; int wait = 1000; - int r = 0; + int r = 0; - if (vnic_dev_capable(vdev, CMD_INIT)) + if (vdev->cap_flags & VNIC_DEV_CAP_INIT) r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); else { vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait); @@ -587,8 +591,8 @@ int vnic_dev_init(struct vnic_dev *vdev, int arg) vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait); vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); } - } - return r; + } + return r; } int vnic_dev_link_status(struct vnic_dev *vdev) @@ -626,6 +630,22 @@ u32 vnic_dev_mtu(struct vnic_dev *vdev) return vdev->notify_copy.mtu; } +u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.link_down_cnt; +} + +u32 vnic_dev_notify_status(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.status; +} + void vnic_dev_set_intr_mode(struct vnic_dev *vdev, enum vnic_dev_intr_mode intr_mode) { @@ -682,6 +702,11 @@ struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, if (!vdev->devcmd) goto err_out; + vdev->cap_flags = 0; + + if (vnic_dev_capable(vdev, CMD_INIT)) + vdev->cap_flags |= VNIC_DEV_CAP_INIT; + return vdev; err_out: diff --git a/drivers/net/enic/vnic_dev.h b/drivers/net/enic/vnic_dev.h index b9dc182..8aa8db2 100644 --- a/drivers/net/enic/vnic_dev.h +++ b/drivers/net/enic/vnic_dev.h @@ -102,6 +102,8 @@ int vnic_dev_link_status(struct vnic_dev *vdev); u32 vnic_dev_port_speed(struct vnic_dev *vdev); u32 vnic_dev_msg_lvl(struct vnic_dev *vdev); u32 vnic_dev_mtu(struct vnic_dev *vdev); +u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev); +u32 vnic_dev_notify_status(struct vnic_dev *vdev); int vnic_dev_close(struct vnic_dev *vdev); int vnic_dev_enable(struct vnic_dev *vdev); int vnic_dev_disable(struct vnic_dev *vdev); diff --git a/drivers/net/enic/vnic_devcmd.h b/drivers/net/enic/vnic_devcmd.h index 8062c75..2587f34 100644 --- a/drivers/net/enic/vnic_devcmd.h +++ b/drivers/net/enic/vnic_devcmd.h @@ -191,7 +191,7 @@ enum vnic_devcmd_cmd { CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31), /* INT13 API: (u64)a0=paddr to vnic_int13_params struct - * (u8)a1=INT13_CMD_xxx */ + * (u32)a1=INT13_CMD_xxx */ CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32), /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */ @@ -207,6 +207,11 @@ enum vnic_devcmd_cmd { * in: (u32)a0=cmd * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */ CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36), + + /* persistent binding info + * in: (u64)a0=paddr of arg + * (u32)a1=CMD_PERBI_XXX */ + CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37), }; /* flags for CMD_OPEN */ @@ -259,6 +264,7 @@ struct vnic_devcmd_notify { u32 status; /* status bits (see VNIC_STF_*) */ u32 error; /* error code (see ERR_*) for first ERR */ u32 link_down_cnt; /* running count of link down transitions */ + u32 perbi_rebuild_cnt; /* running count of perbi rebuilds */ }; #define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */ #define VNIC_STF_STD_PAUSE 0x0002 /* standard link-level pause on */ diff --git a/drivers/net/enic/vnic_intr.h b/drivers/net/enic/vnic_intr.h index ce633a5..9a53604 100644 --- a/drivers/net/enic/vnic_intr.h +++ b/drivers/net/enic/vnic_intr.h @@ -76,6 +76,20 @@ static inline void vnic_intr_return_credits(struct vnic_intr *intr, iowrite32(int_credit_return, &intr->ctrl->int_credit_return); } +static inline unsigned int vnic_intr_credits(struct vnic_intr *intr) +{ + return ioread32(&intr->ctrl->int_credits); +} + +static inline void vnic_intr_return_all_credits(struct vnic_intr *intr) +{ + unsigned int credits = vnic_intr_credits(intr); + int unmask = 1; + int reset_timer = 1; + + vnic_intr_return_credits(intr, credits, unmask, reset_timer); +} + static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba) { /* read PBA without clearing */ |