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-rw-r--r--drivers/net/enic/enic.h3
-rw-r--r--drivers/net/enic/enic_main.c84
-rw-r--r--drivers/net/enic/vnic_dev.c33
-rw-r--r--drivers/net/enic/vnic_dev.h2
-rw-r--r--drivers/net/enic/vnic_devcmd.h8
-rw-r--r--drivers/net/enic/vnic_intr.h14
6 files changed, 99 insertions, 45 deletions
diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index a832cc5d6a1e..c26cea0b300e 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 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
diff --git a/drivers/net/enic/vnic_dev.c b/drivers/net/enic/vnic_dev.c
index 11708579b6ce..e21b9d636aec 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 b9dc1821c805..8aa8db2fd03f 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 8062c75154e6..2587f34fbfbd 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 ce633a5a7e3c..9a53604edce6 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 */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.