diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/net/ethernet/cisco | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/net/ethernet/cisco')
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic.h | 21 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_clsf.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_ethtool.c | 113 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 142 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_cq.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_dev.c | 277 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_dev.h | 44 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_devcmd.h | 28 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_intr.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_resource.h | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_rq.c | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_wq.c | 33 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_wq.h | 18 |
13 files changed, 495 insertions, 202 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h index 84b6a2b46..8b53f7d4b 100644 --- a/drivers/net/ethernet/cisco/enic/enic.h +++ b/drivers/net/ethernet/cisco/enic/enic.h @@ -33,7 +33,7 @@ #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" -#define DRV_VERSION "2.1.1.83" +#define DRV_VERSION "2.3.0.12" #define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc" #define ENIC_BARS_MAX 6 @@ -191,6 +191,25 @@ struct enic { struct vnic_gen_stats gen_stats; }; +static inline struct net_device *vnic_get_netdev(struct vnic_dev *vdev) +{ + struct enic *enic = vdev->priv; + + return enic->netdev; +} + +/* wrappers function for kernel log + * Make sure variable vdev of struct vnic_dev is available in the block where + * these macros are used + */ +#define vdev_info(args...) dev_info(&vdev->pdev->dev, args) +#define vdev_warn(args...) dev_warn(&vdev->pdev->dev, args) +#define vdev_err(args...) dev_err(&vdev->pdev->dev, args) + +#define vdev_netinfo(args...) netdev_info(vnic_get_netdev(vdev), args) +#define vdev_netwarn(args...) netdev_warn(vnic_get_netdev(vdev), args) +#define vdev_neterr(args...) netdev_err(vnic_get_netdev(vdev), args) + static inline struct device *enic_get_dev(struct enic *enic) { return &(enic->pdev->dev); diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.c b/drivers/net/ethernet/cisco/enic/enic_clsf.c index d106186f4..3c677ed3c 100644 --- a/drivers/net/ethernet/cisco/enic/enic_clsf.c +++ b/drivers/net/ethernet/cisco/enic/enic_clsf.c @@ -177,7 +177,7 @@ int enic_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, int res, i; enic = netdev_priv(dev); - res = skb_flow_dissect_flow_keys(skb, &keys); + res = skb_flow_dissect_flow_keys(skb, &keys, 0); if (!res || keys.basic.n_proto != htons(ETH_P_IP) || (keys.basic.ip_proto != IPPROTO_TCP && keys.basic.ip_proto != IPPROTO_UDP)) diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c index f3f1601a7..f44a39c40 100644 --- a/drivers/net/ethernet/cisco/enic/enic_ethtool.c +++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c @@ -224,7 +224,8 @@ static int enic_get_coalesce(struct net_device *netdev, struct enic *enic = netdev_priv(netdev); struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; - ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; + if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) + ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; if (rxcoal->use_adaptive_rx_coalesce) ecmd->use_adaptive_rx_coalesce = 1; @@ -234,6 +235,53 @@ static int enic_get_coalesce(struct net_device *netdev, return 0; } +static int enic_coalesce_valid(struct enic *enic, + struct ethtool_coalesce *ec) +{ + u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); + u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max, + ec->rx_coalesce_usecs_high); + u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max, + ec->rx_coalesce_usecs_low); + + if (ec->rx_max_coalesced_frames || + ec->rx_coalesce_usecs_irq || + ec->rx_max_coalesced_frames_irq || + ec->tx_max_coalesced_frames || + ec->tx_coalesce_usecs_irq || + ec->tx_max_coalesced_frames_irq || + ec->stats_block_coalesce_usecs || + ec->use_adaptive_tx_coalesce || + ec->pkt_rate_low || + ec->rx_max_coalesced_frames_low || + ec->tx_coalesce_usecs_low || + ec->tx_max_coalesced_frames_low || + ec->pkt_rate_high || + ec->rx_max_coalesced_frames_high || + ec->tx_coalesce_usecs_high || + ec->tx_max_coalesced_frames_high || + ec->rate_sample_interval) + return -EINVAL; + + if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) && + ec->tx_coalesce_usecs) + return -EINVAL; + + if ((ec->tx_coalesce_usecs > coalesce_usecs_max) || + (ec->rx_coalesce_usecs > coalesce_usecs_max) || + (ec->rx_coalesce_usecs_low > coalesce_usecs_max) || + (ec->rx_coalesce_usecs_high > coalesce_usecs_max)) + netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n", + coalesce_usecs_max); + + if (ec->rx_coalesce_usecs_high && + (rx_coalesce_usecs_high < + rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) + return -EINVAL; + + return 0; +} + static int enic_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) { @@ -244,8 +292,12 @@ static int enic_set_coalesce(struct net_device *netdev, u32 rx_coalesce_usecs_high; u32 coalesce_usecs_max; unsigned int i, intr; + int ret; struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; + ret = enic_coalesce_valid(enic, ecmd); + if (ret) + return ret; coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, coalesce_usecs_max); @@ -257,59 +309,24 @@ static int enic_set_coalesce(struct net_device *netdev, rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, coalesce_usecs_max); - switch (vnic_dev_get_intr_mode(enic->vdev)) { - case VNIC_DEV_INTR_MODE_INTX: - if (tx_coalesce_usecs != rx_coalesce_usecs) - return -EINVAL; - if (ecmd->use_adaptive_rx_coalesce || - ecmd->rx_coalesce_usecs_low || - ecmd->rx_coalesce_usecs_high) - return -EINVAL; - - intr = enic_legacy_io_intr(); - vnic_intr_coalescing_timer_set(&enic->intr[intr], - tx_coalesce_usecs); - break; - case VNIC_DEV_INTR_MODE_MSI: - if (tx_coalesce_usecs != rx_coalesce_usecs) - return -EINVAL; - if (ecmd->use_adaptive_rx_coalesce || - ecmd->rx_coalesce_usecs_low || - ecmd->rx_coalesce_usecs_high) - return -EINVAL; - - vnic_intr_coalescing_timer_set(&enic->intr[0], - tx_coalesce_usecs); - break; - case VNIC_DEV_INTR_MODE_MSIX: - if (ecmd->rx_coalesce_usecs_high && - (rx_coalesce_usecs_high < - rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) - return -EINVAL; - + if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) { for (i = 0; i < enic->wq_count; i++) { intr = enic_msix_wq_intr(enic, i); vnic_intr_coalescing_timer_set(&enic->intr[intr], - tx_coalesce_usecs); - } - - rxcoal->use_adaptive_rx_coalesce = - !!ecmd->use_adaptive_rx_coalesce; - if (!rxcoal->use_adaptive_rx_coalesce) - enic_intr_coal_set_rx(enic, rx_coalesce_usecs); - - if (ecmd->rx_coalesce_usecs_high) { - rxcoal->range_end = rx_coalesce_usecs_high; - rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; - rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + - ENIC_AIC_LARGE_PKT_DIFF; + tx_coalesce_usecs); } - break; - default: - break; + enic->tx_coalesce_usecs = tx_coalesce_usecs; + } + rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce; + if (!rxcoal->use_adaptive_rx_coalesce) + enic_intr_coal_set_rx(enic, rx_coalesce_usecs); + if (ecmd->rx_coalesce_usecs_high) { + rxcoal->range_end = rx_coalesce_usecs_high; + rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; + rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + + ENIC_AIC_LARGE_PKT_DIFF; } - enic->tx_coalesce_usecs = tx_coalesce_usecs; enic->rx_coalesce_usecs = rx_coalesce_usecs; return 0; diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 918a8e421..3352d027a 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1149,6 +1149,64 @@ static int enic_rq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, return 0; } +static void enic_set_int_moderation(struct enic *enic, struct vnic_rq *rq) +{ + unsigned int intr = enic_msix_rq_intr(enic, rq->index); + struct vnic_cq *cq = &enic->cq[enic_cq_rq(enic, rq->index)]; + u32 timer = cq->tobe_rx_coal_timeval; + + if (cq->tobe_rx_coal_timeval != cq->cur_rx_coal_timeval) { + vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); + cq->cur_rx_coal_timeval = cq->tobe_rx_coal_timeval; + } +} + +static void enic_calc_int_moderation(struct enic *enic, struct vnic_rq *rq) +{ + struct enic_rx_coal *rx_coal = &enic->rx_coalesce_setting; + struct vnic_cq *cq = &enic->cq[enic_cq_rq(enic, rq->index)]; + struct vnic_rx_bytes_counter *pkt_size_counter = &cq->pkt_size_counter; + int index; + u32 timer; + u32 range_start; + u32 traffic; + u64 delta; + ktime_t now = ktime_get(); + + delta = ktime_us_delta(now, cq->prev_ts); + if (delta < ENIC_AIC_TS_BREAK) + return; + cq->prev_ts = now; + + traffic = pkt_size_counter->large_pkt_bytes_cnt + + pkt_size_counter->small_pkt_bytes_cnt; + /* The table takes Mbps + * traffic *= 8 => bits + * traffic *= (10^6 / delta) => bps + * traffic /= 10^6 => Mbps + * + * Combining, traffic *= (8 / delta) + */ + + traffic <<= 3; + traffic = delta > UINT_MAX ? 0 : traffic / (u32)delta; + + for (index = 0; index < ENIC_MAX_COALESCE_TIMERS; index++) + if (traffic < mod_table[index].rx_rate) + break; + range_start = (pkt_size_counter->small_pkt_bytes_cnt > + pkt_size_counter->large_pkt_bytes_cnt << 1) ? + rx_coal->small_pkt_range_start : + rx_coal->large_pkt_range_start; + timer = range_start + ((rx_coal->range_end - range_start) * + mod_table[index].range_percent / 100); + /* Damping */ + cq->tobe_rx_coal_timeval = (timer + cq->tobe_rx_coal_timeval) >> 1; + + pkt_size_counter->large_pkt_bytes_cnt = 0; + pkt_size_counter->small_pkt_bytes_cnt = 0; +} + static int enic_poll(struct napi_struct *napi, int budget) { struct net_device *netdev = napi->dev; @@ -1199,6 +1257,11 @@ static int enic_poll(struct napi_struct *napi, int budget) if (err) rq_work_done = rq_work_to_do; + if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) + /* Call the function which refreshes the intr coalescing timer + * value based on the traffic. + */ + enic_calc_int_moderation(enic, &enic->rq[0]); if (rq_work_done < rq_work_to_do) { @@ -1207,70 +1270,14 @@ static int enic_poll(struct napi_struct *napi, int budget) */ napi_complete(napi); + if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) + enic_set_int_moderation(enic, &enic->rq[0]); vnic_intr_unmask(&enic->intr[intr]); } return rq_work_done; } -static void enic_set_int_moderation(struct enic *enic, struct vnic_rq *rq) -{ - unsigned int intr = enic_msix_rq_intr(enic, rq->index); - struct vnic_cq *cq = &enic->cq[enic_cq_rq(enic, rq->index)]; - u32 timer = cq->tobe_rx_coal_timeval; - - if (cq->tobe_rx_coal_timeval != cq->cur_rx_coal_timeval) { - vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); - cq->cur_rx_coal_timeval = cq->tobe_rx_coal_timeval; - } -} - -static void enic_calc_int_moderation(struct enic *enic, struct vnic_rq *rq) -{ - struct enic_rx_coal *rx_coal = &enic->rx_coalesce_setting; - struct vnic_cq *cq = &enic->cq[enic_cq_rq(enic, rq->index)]; - struct vnic_rx_bytes_counter *pkt_size_counter = &cq->pkt_size_counter; - int index; - u32 timer; - u32 range_start; - u32 traffic; - u64 delta; - ktime_t now = ktime_get(); - - delta = ktime_us_delta(now, cq->prev_ts); - if (delta < ENIC_AIC_TS_BREAK) - return; - cq->prev_ts = now; - - traffic = pkt_size_counter->large_pkt_bytes_cnt + - pkt_size_counter->small_pkt_bytes_cnt; - /* The table takes Mbps - * traffic *= 8 => bits - * traffic *= (10^6 / delta) => bps - * traffic /= 10^6 => Mbps - * - * Combining, traffic *= (8 / delta) - */ - - traffic <<= 3; - traffic = delta > UINT_MAX ? 0 : traffic / (u32)delta; - - for (index = 0; index < ENIC_MAX_COALESCE_TIMERS; index++) - if (traffic < mod_table[index].rx_rate) - break; - range_start = (pkt_size_counter->small_pkt_bytes_cnt > - pkt_size_counter->large_pkt_bytes_cnt << 1) ? - rx_coal->small_pkt_range_start : - rx_coal->large_pkt_range_start; - timer = range_start + ((rx_coal->range_end - range_start) * - mod_table[index].range_percent / 100); - /* Damping */ - cq->tobe_rx_coal_timeval = (timer + cq->tobe_rx_coal_timeval) >> 1; - - pkt_size_counter->large_pkt_bytes_cnt = 0; - pkt_size_counter->small_pkt_bytes_cnt = 0; -} - #ifdef CONFIG_RFS_ACCEL static void enic_free_rx_cpu_rmap(struct enic *enic) { @@ -1407,10 +1414,8 @@ static int enic_poll_msix_rq(struct napi_struct *napi, int budget) if (err) work_done = work_to_do; if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) - /* Call the function which refreshes - * the intr coalescing timer value based on - * the traffic. This is supported only in - * the case of MSI-x mode + /* Call the function which refreshes the intr coalescing timer + * value based on the traffic. */ enic_calc_int_moderation(enic, &enic->rq[rq]); @@ -1569,12 +1574,6 @@ static void enic_set_rx_coal_setting(struct enic *enic) int index = -1; struct enic_rx_coal *rx_coal = &enic->rx_coalesce_setting; - /* If intr mode is not MSIX, do not do adaptive coalescing */ - if (VNIC_DEV_INTR_MODE_MSIX != vnic_dev_get_intr_mode(enic->vdev)) { - netdev_info(enic->netdev, "INTR mode is not MSIX, Not initializing adaptive coalescing"); - return; - } - /* 1. Read the link speed from fw * 2. Pick the default range for the speed * 3. Update it in enic->rx_coalesce_setting @@ -2485,6 +2484,11 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_iounmap; } + err = vnic_devcmd_init(enic->vdev); + + if (err) + goto err_out_vnic_unregister; + #ifdef CONFIG_PCI_IOV /* Get number of subvnics */ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); @@ -2659,8 +2663,8 @@ err_out_disable_sriov_pp: pci_disable_sriov(pdev); enic->priv_flags &= ~ENIC_SRIOV_ENABLED; } -err_out_vnic_unregister: #endif +err_out_vnic_unregister: vnic_dev_unregister(enic->vdev); err_out_iounmap: enic_iounmap(enic); diff --git a/drivers/net/ethernet/cisco/enic/vnic_cq.c b/drivers/net/ethernet/cisco/enic/vnic_cq.c index 0daa1c707..abeda2a9e 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_cq.c +++ b/drivers/net/ethernet/cisco/enic/vnic_cq.c @@ -24,6 +24,7 @@ #include "vnic_dev.h" #include "vnic_cq.h" +#include "enic.h" void vnic_cq_free(struct vnic_cq *cq) { @@ -42,7 +43,7 @@ int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index); if (!cq->ctrl) { - pr_err("Failed to hook CQ[%d] resource\n", index); + vdev_err("Failed to hook CQ[%d] resource\n", index); return -EINVAL; } diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.c b/drivers/net/ethernet/cisco/enic/vnic_dev.c index 62f7b7baf..a3badefaf 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_dev.c +++ b/drivers/net/ethernet/cisco/enic/vnic_dev.c @@ -27,46 +27,9 @@ #include "vnic_resource.h" #include "vnic_devcmd.h" #include "vnic_dev.h" +#include "vnic_wq.h" #include "vnic_stats.h" - -enum vnic_proxy_type { - PROXY_NONE, - PROXY_BY_BDF, - PROXY_BY_INDEX, -}; - -struct vnic_res { - void __iomem *vaddr; - dma_addr_t bus_addr; - unsigned int count; -}; - -struct vnic_intr_coal_timer_info { - u32 mul; - u32 div; - u32 max_usec; -}; - -struct vnic_dev { - void *priv; - struct pci_dev *pdev; - struct vnic_res res[RES_TYPE_MAX]; - enum vnic_dev_intr_mode intr_mode; - struct vnic_devcmd __iomem *devcmd; - struct vnic_devcmd_notify *notify; - struct vnic_devcmd_notify notify_copy; - dma_addr_t notify_pa; - u32 notify_sz; - dma_addr_t linkstatus_pa; - struct vnic_stats *stats; - dma_addr_t stats_pa; - struct vnic_devcmd_fw_info *fw_info; - dma_addr_t fw_info_pa; - enum vnic_proxy_type proxy; - u32 proxy_index; - u64 args[VNIC_DEVCMD_NARGS]; - struct vnic_intr_coal_timer_info intr_coal_timer_info; -}; +#include "enic.h" #define VNIC_MAX_RES_HDR_SIZE \ (sizeof(struct vnic_resource_header) + \ @@ -90,14 +53,14 @@ static int vnic_dev_discover_res(struct vnic_dev *vdev, return -EINVAL; if (bar->len < VNIC_MAX_RES_HDR_SIZE) { - pr_err("vNIC BAR0 res hdr length error\n"); + vdev_err("vNIC BAR0 res hdr length error\n"); return -EINVAL; } rh = bar->vaddr; mrh = bar->vaddr; if (!rh) { - pr_err("vNIC BAR0 res hdr not mem-mapped\n"); + vdev_err("vNIC BAR0 res hdr not mem-mapped\n"); return -EINVAL; } @@ -106,11 +69,10 @@ static int vnic_dev_discover_res(struct vnic_dev *vdev, (ioread32(&rh->version) != VNIC_RES_VERSION)) { if ((ioread32(&mrh->magic) != MGMTVNIC_MAGIC) || (ioread32(&mrh->version) != MGMTVNIC_VERSION)) { - pr_err("vNIC BAR0 res magic/version error " - "exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n", - VNIC_RES_MAGIC, VNIC_RES_VERSION, - MGMTVNIC_MAGIC, MGMTVNIC_VERSION, - ioread32(&rh->magic), ioread32(&rh->version)); + vdev_err("vNIC BAR0 res magic/version error exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n", + VNIC_RES_MAGIC, VNIC_RES_VERSION, + MGMTVNIC_MAGIC, MGMTVNIC_VERSION, + ioread32(&rh->magic), ioread32(&rh->version)); return -EINVAL; } } @@ -144,17 +106,15 @@ static int vnic_dev_discover_res(struct vnic_dev *vdev, /* each count is stride bytes long */ len = count * VNIC_RES_STRIDE; if (len + bar_offset > bar[bar_num].len) { - pr_err("vNIC BAR0 resource %d " - "out-of-bounds, offset 0x%x + " - "size 0x%x > bar len 0x%lx\n", - type, bar_offset, - len, - bar[bar_num].len); + vdev_err("vNIC BAR0 resource %d out-of-bounds, offset 0x%x + size 0x%x > bar len 0x%lx\n", + type, bar_offset, len, + bar[bar_num].len); return -EINVAL; } break; case RES_TYPE_INTR_PBA_LEGACY: case RES_TYPE_DEVCMD: + case RES_TYPE_DEVCMD2: len = count; break; default: @@ -238,8 +198,8 @@ int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, &ring->base_addr_unaligned); if (!ring->descs_unaligned) { - pr_err("Failed to allocate ring (size=%d), aborting\n", - (int)ring->size); + vdev_err("Failed to allocate ring (size=%d), aborting\n", + (int)ring->size); return -ENOMEM; } @@ -281,7 +241,7 @@ static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, return -ENODEV; } if (status & STAT_BUSY) { - pr_err("Busy devcmd %d\n", _CMD_N(cmd)); + vdev_neterr("Busy devcmd %d\n", _CMD_N(cmd)); return -EBUSY; } @@ -315,8 +275,8 @@ static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, return -err; if (err != ERR_ECMDUNKNOWN || cmd != CMD_CAPABILITY) - pr_err("Error %d devcmd %d\n", - err, _CMD_N(cmd)); + vdev_neterr("Error %d devcmd %d\n", + err, _CMD_N(cmd)); return -err; } @@ -330,10 +290,162 @@ static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, } } - pr_err("Timedout devcmd %d\n", _CMD_N(cmd)); + vdev_neterr("Timedout devcmd %d\n", _CMD_N(cmd)); return -ETIMEDOUT; } +static int _vnic_dev_cmd2(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + int wait) +{ + struct devcmd2_controller *dc2c = vdev->devcmd2; + struct devcmd2_result *result = dc2c->result + dc2c->next_result; + unsigned int i; + int delay, err; + u32 fetch_index, new_posted; + u32 posted = dc2c->posted; + + fetch_index = ioread32(&dc2c->wq_ctrl->fetch_index); + + if (fetch_index == 0xFFFFFFFF) + return -ENODEV; + + new_posted = (posted + 1) % DEVCMD2_RING_SIZE; + + if (new_posted == fetch_index) { + vdev_neterr("devcmd2 %d: wq is full. fetch index: %u, posted index: %u\n", + _CMD_N(cmd), fetch_index, posted); + return -EBUSY; + } + dc2c->cmd_ring[posted].cmd = cmd; + dc2c->cmd_ring[posted].flags = 0; + + if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT)) + dc2c->cmd_ring[posted].flags |= DEVCMD2_FNORESULT; + if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) + for (i = 0; i < VNIC_DEVCMD_NARGS; i++) + dc2c->cmd_ring[posted].args[i] = vdev->args[i]; + + /* Adding write memory barrier prevents compiler and/or CPU reordering, + * thus avoiding descriptor posting before descriptor is initialized. + * Otherwise, hardware can read stale descriptor fields. + */ + wmb(); + iowrite32(new_posted, &dc2c->wq_ctrl->posted_index); + dc2c->posted = new_posted; + + if (dc2c->cmd_ring[posted].flags & DEVCMD2_FNORESULT) + return 0; + + for (delay = 0; delay < wait; delay++) { + if (result->color == dc2c->color) { + dc2c->next_result++; + if (dc2c->next_result == dc2c->result_size) { + dc2c->next_result = 0; + dc2c->color = dc2c->color ? 0 : 1; + } + if (result->error) { + err = result->error; + if (err != ERR_ECMDUNKNOWN || + cmd != CMD_CAPABILITY) + vdev_neterr("Error %d devcmd %d\n", + err, _CMD_N(cmd)); + return -err; + } + if (_CMD_DIR(cmd) & _CMD_DIR_READ) + for (i = 0; i < VNIC_DEVCMD2_NARGS; i++) + vdev->args[i] = result->results[i]; + + return 0; + } + udelay(100); + } + + vdev_neterr("devcmd %d timed out\n", _CMD_N(cmd)); + + return -ETIMEDOUT; +} + +static int vnic_dev_init_devcmd1(struct vnic_dev *vdev) +{ + vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); + if (!vdev->devcmd) + return -ENODEV; + vdev->devcmd_rtn = _vnic_dev_cmd; + + return 0; +} + +static int vnic_dev_init_devcmd2(struct vnic_dev *vdev) +{ + int err; + unsigned int fetch_index; + + if (vdev->devcmd2) + return 0; + + vdev->devcmd2 = kzalloc(sizeof(*vdev->devcmd2), GFP_KERNEL); + if (!vdev->devcmd2) + return -ENOMEM; + + vdev->devcmd2->color = 1; + vdev->devcmd2->result_size = DEVCMD2_RING_SIZE; + err = enic_wq_devcmd2_alloc(vdev, &vdev->devcmd2->wq, DEVCMD2_RING_SIZE, + DEVCMD2_DESC_SIZE); + if (err) + goto err_free_devcmd2; + + fetch_index = ioread32(&vdev->devcmd2->wq.ctrl->fetch_index); + if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */ + vdev_err("Fatal error in devcmd2 init - hardware surprise removal"); + + return -ENODEV; + } + + enic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index, fetch_index, 0, + 0); + vdev->devcmd2->posted = fetch_index; + vnic_wq_enable(&vdev->devcmd2->wq); + + err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring, + DEVCMD2_RING_SIZE, DEVCMD2_DESC_SIZE); + if (err) + goto err_free_wq; + + vdev->devcmd2->result = vdev->devcmd2->results_ring.descs; + vdev->devcmd2->cmd_ring = vdev->devcmd2->wq.ring.descs; + vdev->devcmd2->wq_ctrl = vdev->devcmd2->wq.ctrl; + vdev->args[0] = (u64)vdev->devcmd2->results_ring.base_addr | + VNIC_PADDR_TARGET; + vdev->args[1] = DEVCMD2_RING_SIZE; + + err = _vnic_dev_cmd2(vdev, CMD_INITIALIZE_DEVCMD2, 1000); + if (err) + goto err_free_desc_ring; + + vdev->devcmd_rtn = _vnic_dev_cmd2; + + return 0; + +err_free_desc_ring: + vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring); +err_free_wq: + vnic_wq_disable(&vdev->devcmd2->wq); + vnic_wq_free(&vdev->devcmd2->wq); +err_free_devcmd2: + kfree(vdev->devcmd2); + vdev->devcmd2 = NULL; + + return err; +} + +static void vnic_dev_deinit_devcmd2(struct vnic_dev *vdev) +{ + vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring); + vnic_wq_disable(&vdev->devcmd2->wq); + vnic_wq_free(&vdev->devcmd2->wq); + kfree(vdev->devcmd2); +} + static int vnic_dev_cmd_proxy(struct vnic_dev *vdev, enum vnic_devcmd_cmd proxy_cmd, enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait) @@ -348,7 +460,7 @@ static int vnic_dev_cmd_proxy(struct vnic_dev *vdev, vdev->args[2] = *a0; vdev->args[3] = *a1; - err = _vnic_dev_cmd(vdev, proxy_cmd, wait); + err = vdev->devcmd_rtn(vdev, proxy_cmd, wait); if (err) return err; @@ -357,7 +469,8 @@ static int vnic_dev_cmd_proxy(struct vnic_dev *vdev, err = (int)vdev->args[1]; if (err != ERR_ECMDUNKNOWN || cmd != CMD_CAPABILITY) - pr_err("Error %d proxy devcmd %d\n", err, _CMD_N(cmd)); + vdev_neterr("Error %d proxy devcmd %d\n", err, + _CMD_N(cmd)); return err; } @@ -375,7 +488,7 @@ static int vnic_dev_cmd_no_proxy(struct vnic_dev *vdev, vdev->args[0] = *a0; vdev->args[1] = *a1; - err = _vnic_dev_cmd(vdev, cmd, wait); + err = vdev->devcmd_rtn(vdev, cmd, wait); *a0 = vdev->args[0]; *a1 = vdev->args[1]; @@ -650,7 +763,7 @@ int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); if (err) - pr_err("Can't set packet filter\n"); + vdev_neterr("Can't set packet filter\n"); return err; } @@ -667,7 +780,7 @@ int vnic_dev_add_addr(struct vnic_dev *vdev, const u8 *addr) err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); if (err) - pr_err("Can't add addr [%pM], %d\n", addr, err); + vdev_neterr("Can't add addr [%pM], %d\n", addr, err); return err; } @@ -684,7 +797,7 @@ int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr) err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait); if (err) - pr_err("Can't del addr [%pM], %d\n", addr, err); + vdev_neterr("Can't del addr [%pM], %d\n", addr, err); return err; } @@ -728,7 +841,7 @@ int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr) dma_addr_t notify_pa; if (vdev->notify || vdev->notify_pa) { - pr_err("notify block %p still allocated", vdev->notify); + vdev_neterr("notify block %p still allocated", vdev->notify); return -EINVAL; } @@ -838,7 +951,7 @@ int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev) memset(vdev->args, 0, sizeof(vdev->args)); if (vnic_dev_capable(vdev, CMD_INTR_COAL_CONVERT)) - err = _vnic_dev_cmd(vdev, CMD_INTR_COAL_CONVERT, wait); + err = vdev->devcmd_rtn(vdev, CMD_INTR_COAL_CONVERT, wait); else err = ERR_ECMDUNKNOWN; @@ -847,7 +960,7 @@ int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev) */ if ((err == ERR_ECMDUNKNOWN) || (!err && !(vdev->args[0] && vdev->args[1] && vdev->args[2]))) { - pr_warn("Using default conversion factor for interrupt coalesce timer\n"); + vdev_netwarn("Using default conversion factor for interrupt coalesce timer\n"); vnic_dev_intr_coal_timer_info_default(vdev); return 0; } @@ -938,6 +1051,9 @@ void vnic_dev_unregister(struct vnic_dev *vdev) pci_free_consistent(vdev->pdev, sizeof(struct vnic_devcmd_fw_info), vdev->fw_info, vdev->fw_info_pa); + if (vdev->devcmd2) + vnic_dev_deinit_devcmd2(vdev); + kfree(vdev); } } @@ -959,10 +1075,6 @@ struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, if (vnic_dev_discover_res(vdev, bar, num_bars)) goto err_out; - vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); - if (!vdev->devcmd) - goto err_out; - return vdev; err_out: @@ -977,6 +1089,29 @@ struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev) } EXPORT_SYMBOL(vnic_dev_get_pdev); +int vnic_devcmd_init(struct vnic_dev *vdev) +{ + void __iomem *res; + int err; + + res = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD2, 0); + if (res) { + err = vnic_dev_init_devcmd2(vdev); + if (err) + vdev_warn("DEVCMD2 init failed: %d, Using DEVCMD1", + err); + else + return 0; + } else { + vdev_warn("DEVCMD2 resource not found (old firmware?) Using DEVCMD1\n"); + } + err = vnic_dev_init_devcmd1(vdev); + if (err) + vdev_err("DEVCMD1 initialization failed: %d", err); + + return err; +} + int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len) { u64 a0, a1 = len; diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.h b/drivers/net/ethernet/cisco/enic/vnic_dev.h index 1fb214efc..b013b6a78 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_dev.h +++ b/drivers/net/ethernet/cisco/enic/vnic_dev.h @@ -70,7 +70,48 @@ struct vnic_dev_ring { unsigned int desc_avail; }; -struct vnic_dev; +enum vnic_proxy_type { + PROXY_NONE, + PROXY_BY_BDF, + PROXY_BY_INDEX, +}; + +struct vnic_res { + void __iomem *vaddr; + dma_addr_t bus_addr; + unsigned int count; +}; + +struct vnic_intr_coal_timer_info { + u32 mul; + u32 div; + u32 max_usec; +}; + +struct vnic_dev { + void *priv; + struct pci_dev *pdev; + struct vnic_res res[RES_TYPE_MAX]; + enum vnic_dev_intr_mode intr_mode; + struct vnic_devcmd __iomem *devcmd; + struct vnic_devcmd_notify *notify; + struct vnic_devcmd_notify notify_copy; + dma_addr_t notify_pa; + u32 notify_sz; + dma_addr_t linkstatus_pa; + struct vnic_stats *stats; + dma_addr_t stats_pa; + struct vnic_devcmd_fw_info *fw_info; + dma_addr_t fw_info_pa; + enum vnic_proxy_type proxy; + u32 proxy_index; + u64 args[VNIC_DEVCMD_NARGS]; + struct vnic_intr_coal_timer_info intr_coal_timer_info; + struct devcmd2_controller *devcmd2; + int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + int wait); +}; + struct vnic_stats; void *vnic_dev_priv(struct vnic_dev *vdev); @@ -135,5 +176,6 @@ int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status); int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry, struct filter *data); +int vnic_devcmd_init(struct vnic_dev *vdev); #endif /* _VNIC_DEV_H_ */ diff --git a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h index 435d0cd96..2a812880b 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h +++ b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h @@ -365,6 +365,12 @@ enum vnic_devcmd_cmd { */ CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56), + /* Initialization for the devcmd2 interface. + * in: (u64) a0 = host result buffer physical address + * in: (u16) a1 = number of entries in result buffer + */ + CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57), + /* Add a filter. * in: (u64) a0= filter address * (u32) a1= size of filter @@ -629,4 +635,26 @@ struct vnic_devcmd { u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */ }; +#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */ + +#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS +struct vnic_devcmd2 { + u16 pad; + u16 flags; + u32 cmd; + u64 args[VNIC_DEVCMD2_NARGS]; +}; + +#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS +struct devcmd2_result { + u64 results[VNIC_DEVCMD2_NRESULTS]; + u32 pad; + u16 completed_index; + u8 error; + u8 color; +}; + +#define DEVCMD2_RING_SIZE 32 +#define DEVCMD2_DESC_SIZE 128 + #endif /* _VNIC_DEVCMD_H_ */ diff --git a/drivers/net/ethernet/cisco/enic/vnic_intr.c b/drivers/net/ethernet/cisco/enic/vnic_intr.c index 0ca107f7b..942759d9c 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_intr.c +++ b/drivers/net/ethernet/cisco/enic/vnic_intr.c @@ -25,6 +25,7 @@ #include "vnic_dev.h" #include "vnic_intr.h" +#include "enic.h" void vnic_intr_free(struct vnic_intr *intr) { @@ -39,7 +40,7 @@ int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index); if (!intr->ctrl) { - pr_err("Failed to hook INTR[%d].ctrl resource\n", index); + vdev_err("Failed to hook INTR[%d].ctrl resource\n", index); return -EINVAL; } diff --git a/drivers/net/ethernet/cisco/enic/vnic_resource.h b/drivers/net/ethernet/cisco/enic/vnic_resource.h index e0a73f1ca..4e45f88ac 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_resource.h +++ b/drivers/net/ethernet/cisco/enic/vnic_resource.h @@ -48,6 +48,13 @@ enum vnic_res_type { RES_TYPE_RSVD7, RES_TYPE_DEVCMD, /* Device command region */ RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */ + RES_TYPE_SUBVNIC, /* subvnic resource type */ + RES_TYPE_MQ_WQ, /* MQ Work queues */ + RES_TYPE_MQ_RQ, /* MQ Receive queues */ + RES_TYPE_MQ_CQ, /* MQ Completion queues */ + RES_TYPE_DEPRECATED1, /* Old version of devcmd 2 */ + RES_TYPE_DEPRECATED2, /* Old version of devcmd 2 */ + RES_TYPE_DEVCMD2, /* Device control region */ RES_TYPE_MAX, /* Count of resource types */ }; diff --git a/drivers/net/ethernet/cisco/enic/vnic_rq.c b/drivers/net/ethernet/cisco/enic/vnic_rq.c index c4b2183bf..cce2777df 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_rq.c +++ b/drivers/net/ethernet/cisco/enic/vnic_rq.c @@ -26,6 +26,7 @@ #include "vnic_dev.h" #include "vnic_rq.h" +#include "enic.h" static int vnic_rq_alloc_bufs(struct vnic_rq *rq) { @@ -91,7 +92,7 @@ int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index); if (!rq->ctrl) { - pr_err("Failed to hook RQ[%d] resource\n", index); + vdev_err("Failed to hook RQ[%d] resource\n", index); return -EINVAL; } @@ -167,6 +168,7 @@ void vnic_rq_enable(struct vnic_rq *rq) int vnic_rq_disable(struct vnic_rq *rq) { unsigned int wait; + struct vnic_dev *vdev = rq->vdev; iowrite32(0, &rq->ctrl->enable); @@ -177,7 +179,7 @@ int vnic_rq_disable(struct vnic_rq *rq) udelay(10); } - pr_err("Failed to disable RQ[%d]\n", rq->index); + vdev_neterr("Failed to disable RQ[%d]\n", rq->index); return -ETIMEDOUT; } diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.c b/drivers/net/ethernet/cisco/enic/vnic_wq.c index b5a1c937f..05ad16a7e 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_wq.c +++ b/drivers/net/ethernet/cisco/enic/vnic_wq.c @@ -26,6 +26,7 @@ #include "vnic_dev.h" #include "vnic_wq.h" +#include "enic.h" static int vnic_wq_alloc_bufs(struct vnic_wq *wq) { @@ -94,7 +95,7 @@ int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index); if (!wq->ctrl) { - pr_err("Failed to hook WQ[%d] resource\n", index); + vdev_err("Failed to hook WQ[%d] resource\n", index); return -EINVAL; } @@ -113,10 +114,27 @@ int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, return 0; } -static void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, - unsigned int fetch_index, unsigned int posted_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset) +int enic_wq_devcmd2_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + wq->index = 0; + wq->vdev = vdev; + + wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD2, 0); + if (!wq->ctrl) + return -EINVAL; + vnic_wq_disable(wq); + err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size); + + return err; +} + +void enic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, + unsigned int fetch_index, unsigned int posted_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) { u64 paddr; unsigned int count = wq->ring.desc_count; @@ -140,7 +158,7 @@ void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, unsigned int error_interrupt_enable, unsigned int error_interrupt_offset) { - vnic_wq_init_start(wq, cq_index, 0, 0, + enic_wq_init_start(wq, cq_index, 0, 0, error_interrupt_enable, error_interrupt_offset); } @@ -158,6 +176,7 @@ void vnic_wq_enable(struct vnic_wq *wq) int vnic_wq_disable(struct vnic_wq *wq) { unsigned int wait; + struct vnic_dev *vdev = wq->vdev; iowrite32(0, &wq->ctrl->enable); @@ -168,7 +187,7 @@ int vnic_wq_disable(struct vnic_wq *wq) udelay(10); } - pr_err("Failed to disable WQ[%d]\n", wq->index); + vdev_neterr("Failed to disable WQ[%d]\n", wq->index); return -ETIMEDOUT; } diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.h b/drivers/net/ethernet/cisco/enic/vnic_wq.h index 296154351..01209613d 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_wq.h +++ b/drivers/net/ethernet/cisco/enic/vnic_wq.h @@ -88,6 +88,18 @@ struct vnic_wq { unsigned int pkts_outstanding; }; +struct devcmd2_controller { + struct vnic_wq_ctrl __iomem *wq_ctrl; + struct vnic_devcmd2 *cmd_ring; + struct devcmd2_result *result; + u16 next_result; + u16 result_size; + int color; + struct vnic_dev_ring results_ring; + struct vnic_wq wq; + u32 posted; +}; + static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) { /* how many does SW own? */ @@ -174,5 +186,11 @@ void vnic_wq_enable(struct vnic_wq *wq); int vnic_wq_disable(struct vnic_wq *wq); void vnic_wq_clean(struct vnic_wq *wq, void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)); +int enic_wq_devcmd2_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, + unsigned int desc_count, unsigned int desc_size); +void enic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, + unsigned int fetch_index, unsigned int posted_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); #endif /* _VNIC_WQ_H_ */ |