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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/net/ethernet/cisco
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/net/ethernet/cisco')
-rw-r--r--drivers/net/ethernet/cisco/enic/enic.h21
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_clsf.c2
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_ethtool.c113
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_main.c142
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_cq.c3
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_dev.c277
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_dev.h44
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_devcmd.h28
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_intr.c3
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_resource.h7
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_rq.c6
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_wq.c33
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_wq.h18
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_ */