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path: root/drivers/net/ethernet/ibm
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Diffstat (limited to 'drivers/net/ethernet/ibm')
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_main.c5
-rw-r--r--drivers/net/ethernet/ibm/emac/Makefile1
-rw-r--r--drivers/net/ethernet/ibm/emac/core.c63
-rw-r--r--drivers/net/ethernet/ibm/emac/core.h1
-rw-r--r--drivers/net/ethernet/ibm/emac/debug.h2
-rw-r--r--drivers/net/ethernet/ibm/emac/mal.c11
-rw-r--r--drivers/net/ethernet/ibm/emac/rgmii.c18
-rw-r--r--drivers/net/ethernet/ibm/emac/tah.c12
-rw-r--r--drivers/net/ethernet/ibm/emac/zmii.c17
-rw-r--r--drivers/net/ethernet/ibm/ibmveth.c2
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c765
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.h77
12 files changed, 810 insertions, 164 deletions
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index b9d310f20bcc..4878b7169e0f 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -3102,8 +3102,7 @@ static int ehea_setup_ports(struct ehea_adapter *adapter)
dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
NULL);
if (!dn_log_port_id) {
- pr_err("bad device node: eth_dn name=%s\n",
- eth_dn->full_name);
+ pr_err("bad device node: eth_dn name=%pOF\n", eth_dn);
continue;
}
@@ -3425,7 +3424,7 @@ static int ehea_probe_adapter(struct platform_device *dev)
if (!adapter->handle) {
dev_err(&dev->dev, "failed getting handle for adapter"
- " '%s'\n", dev->dev.of_node->full_name);
+ " '%pOF'\n", dev->dev.of_node);
ret = -ENODEV;
goto out_free_ad;
}
diff --git a/drivers/net/ethernet/ibm/emac/Makefile b/drivers/net/ethernet/ibm/emac/Makefile
index 98768ba0955a..ddf1ce3c8cca 100644
--- a/drivers/net/ethernet/ibm/emac/Makefile
+++ b/drivers/net/ethernet/ibm/emac/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the PowerPC 4xx on-chip ethernet driver
#
diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
index 259e69a52ec5..7feff2450ed6 100644
--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -133,8 +133,7 @@ static inline void emac_report_timeout_error(struct emac_instance *dev,
EMAC_FTR_440EP_PHY_CLK_FIX))
DBG(dev, "%s" NL, error);
else if (net_ratelimit())
- printk(KERN_ERR "%s: %s\n", dev->ofdev->dev.of_node->full_name,
- error);
+ printk(KERN_ERR "%pOF: %s\n", dev->ofdev->dev.of_node, error);
}
/* EMAC PHY clock workaround:
@@ -2258,8 +2257,8 @@ static void emac_ethtool_get_drvinfo(struct net_device *ndev,
strlcpy(info->driver, "ibm_emac", sizeof(info->driver));
strlcpy(info->version, DRV_VERSION, sizeof(info->version));
- snprintf(info->bus_info, sizeof(info->bus_info), "PPC 4xx EMAC-%d %s",
- dev->cell_index, dev->ofdev->dev.of_node->full_name);
+ snprintf(info->bus_info, sizeof(info->bus_info), "PPC 4xx EMAC-%d %pOF",
+ dev->cell_index, dev->ofdev->dev.of_node);
}
static const struct ethtool_ops emac_ethtool_ops = {
@@ -2431,8 +2430,8 @@ static int emac_read_uint_prop(struct device_node *np, const char *name,
const u32 *prop = of_get_property(np, name, &len);
if (prop == NULL || len < sizeof(u32)) {
if (fatal)
- printk(KERN_ERR "%s: missing %s property\n",
- np->full_name, name);
+ printk(KERN_ERR "%pOF: missing %s property\n",
+ np, name);
return -ENODEV;
}
*val = *prop;
@@ -2768,7 +2767,7 @@ static int emac_init_phy(struct emac_instance *dev)
#endif
mutex_unlock(&emac_phy_map_lock);
if (i == 0x20) {
- printk(KERN_WARNING "%s: can't find PHY!\n", np->full_name);
+ printk(KERN_WARNING "%pOF: can't find PHY!\n", np);
return -ENXIO;
}
@@ -2894,8 +2893,8 @@ static int emac_init_config(struct emac_instance *dev)
#ifdef CONFIG_IBM_EMAC_NO_FLOW_CTRL
dev->features |= EMAC_FTR_NO_FLOW_CONTROL_40x;
#else
- printk(KERN_ERR "%s: Flow control not disabled!\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Flow control not disabled!\n",
+ np);
return -ENXIO;
#endif
}
@@ -2918,8 +2917,7 @@ static int emac_init_config(struct emac_instance *dev)
#ifdef CONFIG_IBM_EMAC_TAH
dev->features |= EMAC_FTR_HAS_TAH;
#else
- printk(KERN_ERR "%s: TAH support not enabled !\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: TAH support not enabled !\n", np);
return -ENXIO;
#endif
}
@@ -2928,8 +2926,7 @@ static int emac_init_config(struct emac_instance *dev)
#ifdef CONFIG_IBM_EMAC_ZMII
dev->features |= EMAC_FTR_HAS_ZMII;
#else
- printk(KERN_ERR "%s: ZMII support not enabled !\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: ZMII support not enabled !\n", np);
return -ENXIO;
#endif
}
@@ -2938,8 +2935,7 @@ static int emac_init_config(struct emac_instance *dev)
#ifdef CONFIG_IBM_EMAC_RGMII
dev->features |= EMAC_FTR_HAS_RGMII;
#else
- printk(KERN_ERR "%s: RGMII support not enabled !\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: RGMII support not enabled !\n", np);
return -ENXIO;
#endif
}
@@ -2947,8 +2943,8 @@ static int emac_init_config(struct emac_instance *dev)
/* Read MAC-address */
p = of_get_property(np, "local-mac-address", NULL);
if (p == NULL) {
- printk(KERN_ERR "%s: Can't find local-mac-address property\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't find local-mac-address property\n",
+ np);
return -ENXIO;
}
memcpy(dev->ndev->dev_addr, p, ETH_ALEN);
@@ -3036,30 +3032,24 @@ static int emac_probe(struct platform_device *ofdev)
/* Init various config data based on device-tree */
err = emac_init_config(dev);
- if (err != 0)
+ if (err)
goto err_free;
/* Get interrupts. EMAC irq is mandatory, WOL irq is optional */
dev->emac_irq = irq_of_parse_and_map(np, 0);
dev->wol_irq = irq_of_parse_and_map(np, 1);
if (!dev->emac_irq) {
- printk(KERN_ERR "%s: Can't map main interrupt\n", np->full_name);
+ printk(KERN_ERR "%pOF: Can't map main interrupt\n", np);
+ err = -ENODEV;
goto err_free;
}
ndev->irq = dev->emac_irq;
/* Map EMAC regs */
- if (of_address_to_resource(np, 0, &dev->rsrc_regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
- goto err_irq_unmap;
- }
- // TODO : request_mem_region
- dev->emacp = ioremap(dev->rsrc_regs.start,
- resource_size(&dev->rsrc_regs));
+ // TODO : platform_get_resource() and devm_ioremap_resource()
+ dev->emacp = of_iomap(np, 0);
if (dev->emacp == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't map device registers!\n", np);
err = -ENOMEM;
goto err_irq_unmap;
}
@@ -3068,8 +3058,7 @@ static int emac_probe(struct platform_device *ofdev)
err = emac_wait_deps(dev);
if (err) {
printk(KERN_ERR
- "%s: Timeout waiting for dependent devices\n",
- np->full_name);
+ "%pOF: Timeout waiting for dependent devices\n", np);
/* display more info about what's missing ? */
goto err_reg_unmap;
}
@@ -3084,8 +3073,8 @@ static int emac_probe(struct platform_device *ofdev)
dev->commac.rx_chan_mask = MAL_CHAN_MASK(dev->mal_rx_chan);
err = mal_register_commac(dev->mal, &dev->commac);
if (err) {
- printk(KERN_ERR "%s: failed to register with mal %s!\n",
- np->full_name, dev->mal_dev->dev.of_node->full_name);
+ printk(KERN_ERR "%pOF: failed to register with mal %pOF!\n",
+ np, dev->mal_dev->dev.of_node);
goto err_rel_deps;
}
dev->rx_skb_size = emac_rx_skb_size(ndev->mtu);
@@ -3161,8 +3150,8 @@ static int emac_probe(struct platform_device *ofdev)
err = register_netdev(ndev);
if (err) {
- printk(KERN_ERR "%s: failed to register net device (%d)!\n",
- np->full_name, err);
+ printk(KERN_ERR "%pOF: failed to register net device (%d)!\n",
+ np, err);
goto err_detach_tah;
}
@@ -3176,8 +3165,8 @@ static int emac_probe(struct platform_device *ofdev)
wake_up_all(&emac_probe_wait);
- printk(KERN_INFO "%s: EMAC-%d %s, MAC %pM\n",
- ndev->name, dev->cell_index, np->full_name, ndev->dev_addr);
+ printk(KERN_INFO "%s: EMAC-%d %pOF, MAC %pM\n",
+ ndev->name, dev->cell_index, np, ndev->dev_addr);
if (dev->phy_mode == PHY_MODE_SGMII)
printk(KERN_NOTICE "%s: in SGMII mode\n", ndev->name);
diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h
index f10e156641d5..369de2cfb15b 100644
--- a/drivers/net/ethernet/ibm/emac/core.h
+++ b/drivers/net/ethernet/ibm/emac/core.h
@@ -167,7 +167,6 @@ struct emac_error_stats {
struct emac_instance {
struct net_device *ndev;
- struct resource rsrc_regs;
struct emac_regs __iomem *emacp;
struct platform_device *ofdev;
struct device_node **blist; /* bootlist entry */
diff --git a/drivers/net/ethernet/ibm/emac/debug.h b/drivers/net/ethernet/ibm/emac/debug.h
index 5bdfc174a07e..9d06d3be3161 100644
--- a/drivers/net/ethernet/ibm/emac/debug.h
+++ b/drivers/net/ethernet/ibm/emac/debug.h
@@ -31,7 +31,7 @@
#endif
#define EMAC_DBG(d, name, fmt, arg...) \
- printk(KERN_DEBUG #name "%s: " fmt, d->ofdev->dev.of_node->full_name, ## arg)
+ printk(KERN_DEBUG #name "%pOF: " fmt, d->ofdev->dev.of_node, ## arg)
#if DBG_LEVEL > 0
# define DBG(d,f,x...) EMAC_DBG(d, emac, f, ##x)
diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c
index 91b1a558f37d..fff09dcf9e34 100644
--- a/drivers/net/ethernet/ibm/emac/mal.c
+++ b/drivers/net/ethernet/ibm/emac/mal.c
@@ -402,7 +402,7 @@ static int mal_poll(struct napi_struct *napi, int budget)
unsigned long flags;
MAL_DBG2(mal, "poll(%d)" NL, budget);
- again:
+
/* Process TX skbs */
list_for_each(l, &mal->poll_list) {
struct mal_commac *mc =
@@ -451,7 +451,6 @@ static int mal_poll(struct napi_struct *napi, int budget)
spin_lock_irqsave(&mal->lock, flags);
mal_disable_eob_irq(mal);
spin_unlock_irqrestore(&mal->lock, flags);
- goto again;
}
mc->ops->poll_tx(mc->dev);
}
@@ -579,8 +578,8 @@ static int mal_probe(struct platform_device *ofdev)
mal->features |= (MAL_FTR_CLEAR_ICINTSTAT |
MAL_FTR_COMMON_ERR_INT);
#else
- printk(KERN_ERR "%s: Support for 405EZ not enabled!\n",
- ofdev->dev.of_node->full_name);
+ printk(KERN_ERR "%pOF: Support for 405EZ not enabled!\n",
+ ofdev->dev.of_node);
err = -ENODEV;
goto fail;
#endif
@@ -687,8 +686,8 @@ static int mal_probe(struct platform_device *ofdev)
mal_enable_eob_irq(mal);
printk(KERN_INFO
- "MAL v%d %s, %d TX channels, %d RX channels\n",
- mal->version, ofdev->dev.of_node->full_name,
+ "MAL v%d %pOF, %d TX channels, %d RX channels\n",
+ mal->version, ofdev->dev.of_node,
mal->num_tx_chans, mal->num_rx_chans);
/* Advertise this instance to the rest of the world */
diff --git a/drivers/net/ethernet/ibm/emac/rgmii.c b/drivers/net/ethernet/ibm/emac/rgmii.c
index 206ccbbae7bb..c4a1ac38bba8 100644
--- a/drivers/net/ethernet/ibm/emac/rgmii.c
+++ b/drivers/net/ethernet/ibm/emac/rgmii.c
@@ -104,8 +104,8 @@ int rgmii_attach(struct platform_device *ofdev, int input, int mode)
/* Check if we need to attach to a RGMII */
if (input < 0 || !rgmii_valid_mode(mode)) {
- printk(KERN_ERR "%s: unsupported settings !\n",
- ofdev->dev.of_node->full_name);
+ printk(KERN_ERR "%pOF: unsupported settings !\n",
+ ofdev->dev.of_node);
return -ENODEV;
}
@@ -114,8 +114,8 @@ int rgmii_attach(struct platform_device *ofdev, int input, int mode)
/* Enable this input */
out_be32(&p->fer, in_be32(&p->fer) | rgmii_mode_mask(mode, input));
- printk(KERN_NOTICE "%s: input %d in %s mode\n",
- ofdev->dev.of_node->full_name, input, rgmii_mode_name(mode));
+ printk(KERN_NOTICE "%pOF: input %d in %s mode\n",
+ ofdev->dev.of_node, input, rgmii_mode_name(mode));
++dev->users;
@@ -249,8 +249,7 @@ static int rgmii_probe(struct platform_device *ofdev)
rc = -ENXIO;
if (of_address_to_resource(np, 0, &regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't get registers address\n", np);
goto err_free;
}
@@ -258,8 +257,7 @@ static int rgmii_probe(struct platform_device *ofdev)
dev->base = (struct rgmii_regs __iomem *)ioremap(regs.start,
sizeof(struct rgmii_regs));
if (dev->base == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't map device registers!\n", np);
goto err_free;
}
@@ -278,8 +276,8 @@ static int rgmii_probe(struct platform_device *ofdev)
out_be32(&dev->base->fer, 0);
printk(KERN_INFO
- "RGMII %s initialized with%s MDIO support\n",
- ofdev->dev.of_node->full_name,
+ "RGMII %pOF initialized with%s MDIO support\n",
+ ofdev->dev.of_node,
(dev->flags & EMAC_RGMII_FLAG_HAS_MDIO) ? "" : "out");
wmb();
diff --git a/drivers/net/ethernet/ibm/emac/tah.c b/drivers/net/ethernet/ibm/emac/tah.c
index 32cb6c9007c5..9912456dca48 100644
--- a/drivers/net/ethernet/ibm/emac/tah.c
+++ b/drivers/net/ethernet/ibm/emac/tah.c
@@ -58,8 +58,7 @@ void tah_reset(struct platform_device *ofdev)
--n;
if (unlikely(!n))
- printk(KERN_ERR "%s: reset timeout\n",
- ofdev->dev.of_node->full_name);
+ printk(KERN_ERR "%pOF: reset timeout\n", ofdev->dev.of_node);
/* 10KB TAH TX FIFO accommodates the max MTU of 9000 */
out_be32(&p->mr,
@@ -105,8 +104,7 @@ static int tah_probe(struct platform_device *ofdev)
rc = -ENXIO;
if (of_address_to_resource(np, 0, &regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't get registers address\n", np);
goto err_free;
}
@@ -114,8 +112,7 @@ static int tah_probe(struct platform_device *ofdev)
dev->base = (struct tah_regs __iomem *)ioremap(regs.start,
sizeof(struct tah_regs));
if (dev->base == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't map device registers!\n", np);
goto err_free;
}
@@ -124,8 +121,7 @@ static int tah_probe(struct platform_device *ofdev)
/* Initialize TAH and enable IPv4 checksum verification, no TSO yet */
tah_reset(ofdev);
- printk(KERN_INFO
- "TAH %s initialized\n", ofdev->dev.of_node->full_name);
+ printk(KERN_INFO "TAH %pOF initialized\n", ofdev->dev.of_node);
wmb();
return 0;
diff --git a/drivers/net/ethernet/ibm/emac/zmii.c b/drivers/net/ethernet/ibm/emac/zmii.c
index 8727b865ea02..89c42d362292 100644
--- a/drivers/net/ethernet/ibm/emac/zmii.c
+++ b/drivers/net/ethernet/ibm/emac/zmii.c
@@ -121,15 +121,15 @@ int zmii_attach(struct platform_device *ofdev, int input, int *mode)
} else
dev->mode = *mode;
- printk(KERN_NOTICE "%s: bridge in %s mode\n",
- ofdev->dev.of_node->full_name,
+ printk(KERN_NOTICE "%pOF: bridge in %s mode\n",
+ ofdev->dev.of_node,
zmii_mode_name(dev->mode));
} else {
/* All inputs must use the same mode */
if (*mode != PHY_MODE_NA && *mode != dev->mode) {
printk(KERN_ERR
- "%s: invalid mode %d specified for input %d\n",
- ofdev->dev.of_node->full_name, *mode, input);
+ "%pOF: invalid mode %d specified for input %d\n",
+ ofdev->dev.of_node, *mode, input);
mutex_unlock(&dev->lock);
return -EINVAL;
}
@@ -250,8 +250,7 @@ static int zmii_probe(struct platform_device *ofdev)
rc = -ENXIO;
if (of_address_to_resource(np, 0, &regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't get registers address\n", np);
goto err_free;
}
@@ -259,8 +258,7 @@ static int zmii_probe(struct platform_device *ofdev)
dev->base = (struct zmii_regs __iomem *)ioremap(regs.start,
sizeof(struct zmii_regs));
if (dev->base == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
+ printk(KERN_ERR "%pOF: Can't map device registers!\n", np);
goto err_free;
}
@@ -270,8 +268,7 @@ static int zmii_probe(struct platform_device *ofdev)
/* Disable all inputs by default */
out_be32(&dev->base->fer, 0);
- printk(KERN_INFO
- "ZMII %s initialized\n", ofdev->dev.of_node->full_name);
+ printk(KERN_INFO "ZMII %pOF initialized\n", ofdev->dev.of_node);
wmb();
platform_set_drvdata(ofdev, dev);
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index d17c2b03f580..f210398200ec 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1897,7 +1897,7 @@ static int ibmveth_resume(struct device *dev)
return 0;
}
-static struct vio_device_id ibmveth_device_table[] = {
+static const struct vio_device_id ibmveth_device_table[] = {
{ "network", "IBM,l-lan"},
{ "", "" }
};
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index a3e694679635..1dc4aef37d3a 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -75,6 +75,7 @@
#include <asm/firmware.h>
#include <linux/workqueue.h>
#include <linux/if_vlan.h>
+#include <linux/utsname.h>
#include "ibmvnic.h"
@@ -111,9 +112,11 @@ static void send_request_map(struct ibmvnic_adapter *, dma_addr_t, __be32, u8);
static void send_request_unmap(struct ibmvnic_adapter *, u8);
static void send_login(struct ibmvnic_adapter *adapter);
static void send_cap_queries(struct ibmvnic_adapter *adapter);
+static int init_sub_crqs(struct ibmvnic_adapter *);
static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter);
static int ibmvnic_init(struct ibmvnic_adapter *);
static void release_crq_queue(struct ibmvnic_adapter *);
+static int __ibmvnic_set_mac(struct net_device *netdev, struct sockaddr *p);
struct ibmvnic_stat {
char name[ETH_GSTRING_LEN];
@@ -346,6 +349,31 @@ static void replenish_pools(struct ibmvnic_adapter *adapter)
}
}
+static void release_stats_buffers(struct ibmvnic_adapter *adapter)
+{
+ kfree(adapter->tx_stats_buffers);
+ kfree(adapter->rx_stats_buffers);
+}
+
+static int init_stats_buffers(struct ibmvnic_adapter *adapter)
+{
+ adapter->tx_stats_buffers =
+ kcalloc(adapter->req_tx_queues,
+ sizeof(struct ibmvnic_tx_queue_stats),
+ GFP_KERNEL);
+ if (!adapter->tx_stats_buffers)
+ return -ENOMEM;
+
+ adapter->rx_stats_buffers =
+ kcalloc(adapter->req_rx_queues,
+ sizeof(struct ibmvnic_rx_queue_stats),
+ GFP_KERNEL);
+ if (!adapter->rx_stats_buffers)
+ return -ENOMEM;
+
+ return 0;
+}
+
static void release_stats_token(struct ibmvnic_adapter *adapter)
{
struct device *dev = &adapter->vdev->dev;
@@ -373,6 +401,7 @@ static int init_stats_token(struct ibmvnic_adapter *adapter)
}
adapter->stats_token = stok;
+ netdev_dbg(adapter->netdev, "Stats token initialized (%llx)\n", stok);
return 0;
}
@@ -386,6 +415,8 @@ static int reset_rx_pools(struct ibmvnic_adapter *adapter)
for (i = 0; i < rx_scrqs; i++) {
rx_pool = &adapter->rx_pool[i];
+ netdev_dbg(adapter->netdev, "Re-setting rx_pool[%d]\n", i);
+
rc = reset_long_term_buff(adapter, &rx_pool->long_term_buff);
if (rc)
return rc;
@@ -418,6 +449,8 @@ static void release_rx_pools(struct ibmvnic_adapter *adapter)
for (i = 0; i < rx_scrqs; i++) {
rx_pool = &adapter->rx_pool[i];
+ netdev_dbg(adapter->netdev, "Releasing rx_pool[%d]\n", i);
+
kfree(rx_pool->free_map);
free_long_term_buff(adapter, &rx_pool->long_term_buff);
@@ -464,7 +497,7 @@ static int init_rx_pools(struct net_device *netdev)
rx_pool = &adapter->rx_pool[i];
netdev_dbg(adapter->netdev,
- "Initializing rx_pool %d, %lld buffs, %lld bytes each\n",
+ "Initializing rx_pool[%d], %lld buffs, %lld bytes each\n",
i, adapter->req_rx_add_entries_per_subcrq,
be64_to_cpu(size_array[i]));
@@ -514,12 +547,18 @@ static int reset_tx_pools(struct ibmvnic_adapter *adapter)
tx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_txsubm_subcrqs);
for (i = 0; i < tx_scrqs; i++) {
+ netdev_dbg(adapter->netdev, "Re-setting tx_pool[%d]\n", i);
+
tx_pool = &adapter->tx_pool[i];
rc = reset_long_term_buff(adapter, &tx_pool->long_term_buff);
if (rc)
return rc;
+ rc = reset_long_term_buff(adapter, &tx_pool->tso_ltb);
+ if (rc)
+ return rc;
+
memset(tx_pool->tx_buff, 0,
adapter->req_tx_entries_per_subcrq *
sizeof(struct ibmvnic_tx_buff));
@@ -529,11 +568,21 @@ static int reset_tx_pools(struct ibmvnic_adapter *adapter)
tx_pool->consumer_index = 0;
tx_pool->producer_index = 0;
+ tx_pool->tso_index = 0;
}
return 0;
}
+static void release_vpd_data(struct ibmvnic_adapter *adapter)
+{
+ if (!adapter->vpd)
+ return;
+
+ kfree(adapter->vpd->buff);
+ kfree(adapter->vpd);
+}
+
static void release_tx_pools(struct ibmvnic_adapter *adapter)
{
struct ibmvnic_tx_pool *tx_pool;
@@ -544,9 +593,11 @@ static void release_tx_pools(struct ibmvnic_adapter *adapter)
tx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_txsubm_subcrqs);
for (i = 0; i < tx_scrqs; i++) {
+ netdev_dbg(adapter->netdev, "Releasing tx_pool[%d]\n", i);
tx_pool = &adapter->tx_pool[i];
kfree(tx_pool->tx_buff);
free_long_term_buff(adapter, &tx_pool->long_term_buff);
+ free_long_term_buff(adapter, &tx_pool->tso_ltb);
kfree(tx_pool->free_map);
}
@@ -570,6 +621,11 @@ static int init_tx_pools(struct net_device *netdev)
for (i = 0; i < tx_subcrqs; i++) {
tx_pool = &adapter->tx_pool[i];
+
+ netdev_dbg(adapter->netdev,
+ "Initializing tx_pool[%d], %lld buffs\n",
+ i, adapter->req_tx_entries_per_subcrq);
+
tx_pool->tx_buff = kcalloc(adapter->req_tx_entries_per_subcrq,
sizeof(struct ibmvnic_tx_buff),
GFP_KERNEL);
@@ -586,6 +642,16 @@ static int init_tx_pools(struct net_device *netdev)
return -1;
}
+ /* alloc TSO ltb */
+ if (alloc_long_term_buff(adapter, &tx_pool->tso_ltb,
+ IBMVNIC_TSO_BUFS *
+ IBMVNIC_TSO_BUF_SZ)) {
+ release_tx_pools(adapter);
+ return -1;
+ }
+
+ tx_pool->tso_index = 0;
+
tx_pool->free_map = kcalloc(adapter->req_tx_entries_per_subcrq,
sizeof(int), GFP_KERNEL);
if (!tx_pool->free_map) {
@@ -640,8 +706,10 @@ static void ibmvnic_napi_disable(struct ibmvnic_adapter *adapter)
if (!adapter->napi_enabled)
return;
- for (i = 0; i < adapter->req_rx_queues; i++)
+ for (i = 0; i < adapter->req_rx_queues; i++) {
+ netdev_dbg(adapter->netdev, "Disabling napi[%d]\n", i);
napi_disable(&adapter->napi[i]);
+ }
adapter->napi_enabled = false;
}
@@ -651,6 +719,7 @@ static int ibmvnic_login(struct net_device *netdev)
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
unsigned long timeout = msecs_to_jiffies(30000);
struct device *dev = &adapter->vdev->dev;
+ int rc;
do {
if (adapter->renegotiate) {
@@ -664,6 +733,18 @@ static int ibmvnic_login(struct net_device *netdev)
dev_err(dev, "Capabilities query timeout\n");
return -1;
}
+ rc = init_sub_crqs(adapter);
+ if (rc) {
+ dev_err(dev,
+ "Initialization of SCRQ's failed\n");
+ return -1;
+ }
+ rc = init_sub_crq_irqs(adapter);
+ if (rc) {
+ dev_err(dev,
+ "Initialization of SCRQ's irqs failed\n");
+ return -1;
+ }
}
reinit_completion(&adapter->init_done);
@@ -682,16 +763,22 @@ static void release_resources(struct ibmvnic_adapter *adapter)
{
int i;
+ release_vpd_data(adapter);
+
release_tx_pools(adapter);
release_rx_pools(adapter);
release_stats_token(adapter);
+ release_stats_buffers(adapter);
release_error_buffers(adapter);
if (adapter->napi) {
for (i = 0; i < adapter->req_rx_queues; i++) {
- if (&adapter->napi[i])
+ if (&adapter->napi[i]) {
+ netdev_dbg(adapter->netdev,
+ "Releasing napi[%d]\n", i);
netif_napi_del(&adapter->napi[i]);
+ }
}
}
}
@@ -704,7 +791,8 @@ static int set_link_state(struct ibmvnic_adapter *adapter, u8 link_state)
bool resend;
int rc;
- netdev_err(netdev, "setting link state %d\n", link_state);
+ netdev_dbg(netdev, "setting link state %d\n", link_state);
+
memset(&crq, 0, sizeof(crq));
crq.logical_link_state.first = IBMVNIC_CRQ_CMD;
crq.logical_link_state.cmd = LOGICAL_LINK_STATE;
@@ -741,6 +829,9 @@ static int set_real_num_queues(struct net_device *netdev)
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
int rc;
+ netdev_dbg(netdev, "Setting real tx/rx queues (%llx/%llx)\n",
+ adapter->req_tx_queues, adapter->req_rx_queues);
+
rc = netif_set_real_num_tx_queues(netdev, adapter->req_tx_queues);
if (rc) {
netdev_err(netdev, "failed to set the number of tx queues\n");
@@ -754,6 +845,56 @@ static int set_real_num_queues(struct net_device *netdev)
return rc;
}
+static int ibmvnic_get_vpd(struct ibmvnic_adapter *adapter)
+{
+ struct device *dev = &adapter->vdev->dev;
+ union ibmvnic_crq crq;
+ int len = 0;
+
+ if (adapter->vpd->buff)
+ len = adapter->vpd->len;
+
+ reinit_completion(&adapter->fw_done);
+ crq.get_vpd_size.first = IBMVNIC_CRQ_CMD;
+ crq.get_vpd_size.cmd = GET_VPD_SIZE;
+ ibmvnic_send_crq(adapter, &crq);
+ wait_for_completion(&adapter->fw_done);
+
+ if (!adapter->vpd->len)
+ return -ENODATA;
+
+ if (!adapter->vpd->buff)
+ adapter->vpd->buff = kzalloc(adapter->vpd->len, GFP_KERNEL);
+ else if (adapter->vpd->len != len)
+ adapter->vpd->buff =
+ krealloc(adapter->vpd->buff,
+ adapter->vpd->len, GFP_KERNEL);
+
+ if (!adapter->vpd->buff) {
+ dev_err(dev, "Could allocate VPD buffer\n");
+ return -ENOMEM;
+ }
+
+ adapter->vpd->dma_addr =
+ dma_map_single(dev, adapter->vpd->buff, adapter->vpd->len,
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(dev, adapter->vpd->dma_addr)) {
+ dev_err(dev, "Could not map VPD buffer\n");
+ kfree(adapter->vpd->buff);
+ return -ENOMEM;
+ }
+
+ reinit_completion(&adapter->fw_done);
+ crq.get_vpd.first = IBMVNIC_CRQ_CMD;
+ crq.get_vpd.cmd = GET_VPD;
+ crq.get_vpd.ioba = cpu_to_be32(adapter->vpd->dma_addr);
+ crq.get_vpd.len = cpu_to_be32((u32)adapter->vpd->len);
+ ibmvnic_send_crq(adapter, &crq);
+ wait_for_completion(&adapter->fw_done);
+
+ return 0;
+}
+
static int init_resources(struct ibmvnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
@@ -763,10 +904,18 @@ static int init_resources(struct ibmvnic_adapter *adapter)
if (rc)
return rc;
+ rc = init_stats_buffers(adapter);
+ if (rc)
+ return rc;
+
rc = init_stats_token(adapter);
if (rc)
return rc;
+ adapter->vpd = kzalloc(sizeof(*adapter->vpd), GFP_KERNEL);
+ if (!adapter->vpd)
+ return -ENOMEM;
+
adapter->map_id = 1;
adapter->napi = kcalloc(adapter->req_rx_queues,
sizeof(struct napi_struct), GFP_KERNEL);
@@ -774,6 +923,7 @@ static int init_resources(struct ibmvnic_adapter *adapter)
return -ENOMEM;
for (i = 0; i < adapter->req_rx_queues; i++) {
+ netdev_dbg(netdev, "Adding napi[%d]\n", i);
netif_napi_add(netdev, &adapter->napi[i], ibmvnic_poll,
NAPI_POLL_WEIGHT);
}
@@ -802,6 +952,7 @@ static int __ibmvnic_open(struct net_device *netdev)
* set the logical link state to up
*/
for (i = 0; i < adapter->req_rx_queues; i++) {
+ netdev_dbg(netdev, "Enabling rx_scrq[%d] irq\n", i);
if (prev_state == VNIC_CLOSED)
enable_irq(adapter->rx_scrq[i]->irq);
else
@@ -809,6 +960,7 @@ static int __ibmvnic_open(struct net_device *netdev)
}
for (i = 0; i < adapter->req_tx_queues; i++) {
+ netdev_dbg(netdev, "Enabling tx_scrq[%d] irq\n", i);
if (prev_state == VNIC_CLOSED)
enable_irq(adapter->tx_scrq[i]->irq);
else
@@ -837,10 +989,15 @@ static int __ibmvnic_open(struct net_device *netdev)
static int ibmvnic_open(struct net_device *netdev)
{
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
- int rc;
+ int rc, vpd;
mutex_lock(&adapter->reset_lock);
+ if (adapter->mac_change_pending) {
+ __ibmvnic_set_mac(netdev, &adapter->desired.mac);
+ adapter->mac_change_pending = false;
+ }
+
if (adapter->state != VNIC_CLOSED) {
rc = ibmvnic_login(netdev);
if (rc) {
@@ -858,6 +1015,13 @@ static int ibmvnic_open(struct net_device *netdev)
}
rc = __ibmvnic_open(netdev);
+ netif_carrier_on(netdev);
+
+ /* Vital Product Data (VPD) */
+ vpd = ibmvnic_get_vpd(adapter);
+ if (vpd)
+ netdev_err(netdev, "failed to initialize Vital Product Data (VPD)\n");
+
mutex_unlock(&adapter->reset_lock);
return rc;
@@ -882,6 +1046,7 @@ static void clean_tx_pools(struct ibmvnic_adapter *adapter)
if (!tx_pool)
continue;
+ netdev_dbg(adapter->netdev, "Cleaning tx_pool[%d]\n", i);
for (j = 0; j < tx_entries; j++) {
if (tx_pool->tx_buff[j].skb) {
dev_kfree_skb_any(tx_pool->tx_buff[j].skb);
@@ -909,8 +1074,11 @@ static int __ibmvnic_close(struct net_device *netdev)
if (adapter->tx_scrq) {
for (i = 0; i < adapter->req_tx_queues; i++)
- if (adapter->tx_scrq[i]->irq)
+ if (adapter->tx_scrq[i]->irq) {
+ netdev_dbg(adapter->netdev,
+ "Disabling tx_scrq[%d] irq\n", i);
disable_irq(adapter->tx_scrq[i]->irq);
+ }
}
rc = set_link_state(adapter, IBMVNIC_LOGICAL_LNK_DN);
@@ -929,8 +1097,11 @@ static int __ibmvnic_close(struct net_device *netdev)
break;
}
- if (adapter->rx_scrq[i]->irq)
+ if (adapter->rx_scrq[i]->irq) {
+ netdev_dbg(adapter->netdev,
+ "Disabling rx_scrq[%d] irq\n", i);
disable_irq(adapter->rx_scrq[i]->irq);
+ }
}
}
@@ -1017,11 +1188,12 @@ static int build_hdr_data(u8 hdr_field, struct sk_buff *skb,
* places them in a descriptor array, scrq_arr
*/
-static void create_hdr_descs(u8 hdr_field, u8 *hdr_data, int len, int *hdr_len,
- union sub_crq *scrq_arr)
+static int create_hdr_descs(u8 hdr_field, u8 *hdr_data, int len, int *hdr_len,
+ union sub_crq *scrq_arr)
{
union sub_crq hdr_desc;
int tmp_len = len;
+ int num_descs = 0;
u8 *data, *cur;
int tmp;
@@ -1050,7 +1222,10 @@ static void create_hdr_descs(u8 hdr_field, u8 *hdr_data, int len, int *hdr_len,
tmp_len -= tmp;
*scrq_arr = hdr_desc;
scrq_arr++;
+ num_descs++;
}
+
+ return num_descs;
}
/**
@@ -1068,16 +1243,12 @@ static void build_hdr_descs_arr(struct ibmvnic_tx_buff *txbuff,
int *num_entries, u8 hdr_field)
{
int hdr_len[3] = {0, 0, 0};
- int tot_len, len;
+ int tot_len;
u8 *hdr_data = txbuff->hdr_data;
tot_len = build_hdr_data(hdr_field, txbuff->skb, hdr_len,
txbuff->hdr_data);
- len = tot_len;
- len -= 24;
- if (len > 0)
- num_entries += len % 29 ? len / 29 + 1 : len / 29;
- create_hdr_descs(hdr_field, hdr_data, tot_len, hdr_len,
+ *num_entries += create_hdr_descs(hdr_field, hdr_data, tot_len, hdr_len,
txbuff->indir_arr + 1);
}
@@ -1124,11 +1295,41 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
be32_to_cpu(adapter->login_rsp_buf->off_txsubm_subcrqs));
index = tx_pool->free_map[tx_pool->consumer_index];
- offset = index * adapter->req_mtu;
- dst = tx_pool->long_term_buff.buff + offset;
- memset(dst, 0, adapter->req_mtu);
- skb_copy_from_linear_data(skb, dst, skb->len);
- data_dma_addr = tx_pool->long_term_buff.addr + offset;
+
+ if (skb_is_gso(skb)) {
+ offset = tx_pool->tso_index * IBMVNIC_TSO_BUF_SZ;
+ dst = tx_pool->tso_ltb.buff + offset;
+ memset(dst, 0, IBMVNIC_TSO_BUF_SZ);
+ data_dma_addr = tx_pool->tso_ltb.addr + offset;
+ tx_pool->tso_index++;
+ if (tx_pool->tso_index == IBMVNIC_TSO_BUFS)
+ tx_pool->tso_index = 0;
+ } else {
+ offset = index * adapter->req_mtu;
+ dst = tx_pool->long_term_buff.buff + offset;
+ memset(dst, 0, adapter->req_mtu);
+ data_dma_addr = tx_pool->long_term_buff.addr + offset;
+ }
+
+ if (skb_shinfo(skb)->nr_frags) {
+ int cur, i;
+
+ /* Copy the head */
+ skb_copy_from_linear_data(skb, dst, skb_headlen(skb));
+ cur = skb_headlen(skb);
+
+ /* Copy the frags */
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+ memcpy(dst + cur,
+ page_address(skb_frag_page(frag)) +
+ frag->page_offset, skb_frag_size(frag));
+ cur += skb_frag_size(frag);
+ }
+ } else {
+ skb_copy_from_linear_data(skb, dst, skb->len);
+ }
tx_pool->consumer_index =
(tx_pool->consumer_index + 1) %
@@ -1149,7 +1350,10 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
tx_crq.v1.n_sge = 1;
tx_crq.v1.flags1 = IBMVNIC_TX_COMP_NEEDED;
tx_crq.v1.correlator = cpu_to_be32(index);
- tx_crq.v1.dma_reg = cpu_to_be16(tx_pool->long_term_buff.map_id);
+ if (skb_is_gso(skb))
+ tx_crq.v1.dma_reg = cpu_to_be16(tx_pool->tso_ltb.map_id);
+ else
+ tx_crq.v1.dma_reg = cpu_to_be16(tx_pool->long_term_buff.map_id);
tx_crq.v1.sge_len = cpu_to_be32(skb->len);
tx_crq.v1.ioba = cpu_to_be64(data_dma_addr);
@@ -1174,6 +1378,11 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
tx_crq.v1.flags1 |= IBMVNIC_TX_CHKSUM_OFFLOAD;
hdrs += 2;
}
+ if (skb_is_gso(skb)) {
+ tx_crq.v1.flags1 |= IBMVNIC_TX_LSO;
+ tx_crq.v1.mss = cpu_to_be16(skb_shinfo(skb)->gso_size);
+ hdrs += 2;
+ }
/* determine if l2/3/4 headers are sent to firmware */
if ((*hdrs >> 7) & 1 &&
(skb->protocol == htons(ETH_P_IP) ||
@@ -1245,6 +1454,9 @@ out:
netdev->stats.tx_packets += tx_packets;
adapter->tx_send_failed += tx_send_failed;
adapter->tx_map_failed += tx_map_failed;
+ adapter->tx_stats_buffers[queue_num].packets += tx_packets;
+ adapter->tx_stats_buffers[queue_num].bytes += tx_bytes;
+ adapter->tx_stats_buffers[queue_num].dropped_packets += tx_dropped;
return ret;
}
@@ -1292,7 +1504,7 @@ static void ibmvnic_set_multi(struct net_device *netdev)
}
}
-static int ibmvnic_set_mac(struct net_device *netdev, void *p)
+static int __ibmvnic_set_mac(struct net_device *netdev, struct sockaddr *p)
{
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
struct sockaddr *addr = p;
@@ -1310,6 +1522,22 @@ static int ibmvnic_set_mac(struct net_device *netdev, void *p)
return 0;
}
+static int ibmvnic_set_mac(struct net_device *netdev, void *p)
+{
+ struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+ struct sockaddr *addr = p;
+
+ if (adapter->state != VNIC_OPEN) {
+ memcpy(&adapter->desired.mac, addr, sizeof(struct sockaddr));
+ adapter->mac_change_pending = true;
+ return 0;
+ }
+
+ __ibmvnic_set_mac(netdev, addr);
+
+ return 0;
+}
+
/**
* do_reset returns zero if we are able to keep processing reset events, or
* non-zero if we hit a fatal error and must halt.
@@ -1320,6 +1548,9 @@ static int do_reset(struct ibmvnic_adapter *adapter,
struct net_device *netdev = adapter->netdev;
int i, rc;
+ netdev_dbg(adapter->netdev, "Re-setting driver (%d)\n",
+ rwi->reset_reason);
+
netif_carrier_off(netdev);
adapter->reset_reason = rwi->reset_reason;
@@ -1333,6 +1564,13 @@ static int do_reset(struct ibmvnic_adapter *adapter,
if (rc)
return rc;
+ if (adapter->reset_reason == VNIC_RESET_CHANGE_PARAM ||
+ adapter->wait_for_reset) {
+ release_resources(adapter);
+ release_sub_crqs(adapter);
+ release_crq_queue(adapter);
+ }
+
if (adapter->reset_reason != VNIC_RESET_NON_FATAL) {
/* remove the closed state so when we call open it appears
* we are coming from the probed state.
@@ -1341,7 +1579,7 @@ static int do_reset(struct ibmvnic_adapter *adapter,
rc = ibmvnic_init(adapter);
if (rc)
- return 0;
+ return IBMVNIC_INIT_FAILED;
/* If the adapter was in PROBE state prior to the reset,
* exit here.
@@ -1355,16 +1593,23 @@ static int do_reset(struct ibmvnic_adapter *adapter,
return 0;
}
- rc = reset_tx_pools(adapter);
- if (rc)
- return rc;
+ if (adapter->reset_reason == VNIC_RESET_CHANGE_PARAM ||
+ adapter->wait_for_reset) {
+ rc = init_resources(adapter);
+ if (rc)
+ return rc;
+ } else {
+ rc = reset_tx_pools(adapter);
+ if (rc)
+ return rc;
- rc = reset_rx_pools(adapter);
- if (rc)
- return rc;
+ rc = reset_rx_pools(adapter);
+ if (rc)
+ return rc;
- if (reset_state == VNIC_CLOSED)
- return 0;
+ if (reset_state == VNIC_CLOSED)
+ return 0;
+ }
}
rc = __ibmvnic_open(netdev);
@@ -1424,7 +1669,7 @@ static void __ibmvnic_reset(struct work_struct *work)
struct ibmvnic_adapter *adapter;
struct net_device *netdev;
u32 reset_state;
- int rc;
+ int rc = 0;
adapter = container_of(work, struct ibmvnic_adapter, ibmvnic_reset);
netdev = adapter->netdev;
@@ -1437,13 +1682,20 @@ static void __ibmvnic_reset(struct work_struct *work)
while (rwi) {
rc = do_reset(adapter, rwi, reset_state);
kfree(rwi);
- if (rc)
+ if (rc && rc != IBMVNIC_INIT_FAILED)
break;
rwi = get_next_rwi(adapter);
}
+ if (adapter->wait_for_reset) {
+ adapter->wait_for_reset = false;
+ adapter->reset_done_rc = rc;
+ complete(&adapter->reset_done);
+ }
+
if (rc) {
+ netdev_dbg(adapter->netdev, "Reset failed\n");
free_all_rwi(adapter);
mutex_unlock(&adapter->reset_lock);
return;
@@ -1477,7 +1729,7 @@ static void ibmvnic_reset(struct ibmvnic_adapter *adapter,
list_for_each(entry, &adapter->rwi_list) {
tmp = list_entry(entry, struct ibmvnic_rwi, list);
if (tmp->reset_reason == reason) {
- netdev_err(netdev, "Matching reset found, skipping\n");
+ netdev_dbg(netdev, "Skipping matching reset\n");
mutex_unlock(&adapter->rwi_lock);
return;
}
@@ -1493,6 +1745,8 @@ static void ibmvnic_reset(struct ibmvnic_adapter *adapter,
rwi->reset_reason = reason;
list_add_tail(&rwi->list, &adapter->rwi_list);
mutex_unlock(&adapter->rwi_lock);
+
+ netdev_dbg(adapter->netdev, "Scheduling reset (reason %d)\n", reason);
schedule_work(&adapter->ibmvnic_reset);
}
@@ -1546,7 +1800,8 @@ restart_poll:
rx_comp.correlator);
/* do error checking */
if (next->rx_comp.rc) {
- netdev_err(netdev, "rx error %x\n", next->rx_comp.rc);
+ netdev_dbg(netdev, "rx buffer returned with rc %x\n",
+ be16_to_cpu(next->rx_comp.rc));
/* free the entry */
next->rx_comp.first = 0;
remove_buff_from_pool(adapter, rx_buff);
@@ -1585,6 +1840,8 @@ restart_poll:
napi_gro_receive(napi, skb); /* send it up */
netdev->stats.rx_packets++;
netdev->stats.rx_bytes += length;
+ adapter->rx_stats_buffers[scrq_num].packets++;
+ adapter->rx_stats_buffers[scrq_num].bytes += length;
frames_processed++;
}
@@ -1616,9 +1873,42 @@ static void ibmvnic_netpoll_controller(struct net_device *dev)
}
#endif
+static int wait_for_reset(struct ibmvnic_adapter *adapter)
+{
+ adapter->fallback.mtu = adapter->req_mtu;
+ adapter->fallback.rx_queues = adapter->req_rx_queues;
+ adapter->fallback.tx_queues = adapter->req_tx_queues;
+ adapter->fallback.rx_entries = adapter->req_rx_add_entries_per_subcrq;
+ adapter->fallback.tx_entries = adapter->req_tx_entries_per_subcrq;
+
+ init_completion(&adapter->reset_done);
+ ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM);
+ adapter->wait_for_reset = true;
+ wait_for_completion(&adapter->reset_done);
+
+ if (adapter->reset_done_rc) {
+ adapter->desired.mtu = adapter->fallback.mtu;
+ adapter->desired.rx_queues = adapter->fallback.rx_queues;
+ adapter->desired.tx_queues = adapter->fallback.tx_queues;
+ adapter->desired.rx_entries = adapter->fallback.rx_entries;
+ adapter->desired.tx_entries = adapter->fallback.tx_entries;
+
+ init_completion(&adapter->reset_done);
+ ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM);
+ wait_for_completion(&adapter->reset_done);
+ }
+ adapter->wait_for_reset = false;
+
+ return adapter->reset_done_rc;
+}
+
static int ibmvnic_change_mtu(struct net_device *netdev, int new_mtu)
{
- return -EOPNOTSUPP;
+ struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+
+ adapter->desired.mtu = new_mtu + ETH_HLEN;
+
+ return wait_for_reset(adapter);
}
static const struct net_device_ops ibmvnic_netdev_ops = {
@@ -1660,11 +1950,15 @@ static int ibmvnic_get_link_ksettings(struct net_device *netdev,
return 0;
}
-static void ibmvnic_get_drvinfo(struct net_device *dev,
+static void ibmvnic_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *info)
{
+ struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+
strlcpy(info->driver, ibmvnic_driver_name, sizeof(info->driver));
strlcpy(info->version, IBMVNIC_DRIVER_VERSION, sizeof(info->version));
+ strlcpy(info->fw_version, adapter->fw_version,
+ sizeof(info->fw_version));
}
static u32 ibmvnic_get_msglevel(struct net_device *netdev)
@@ -1694,18 +1988,68 @@ static u32 ibmvnic_get_link(struct net_device *netdev)
static void ibmvnic_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
- ring->rx_max_pending = 0;
- ring->tx_max_pending = 0;
+ struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+
+ ring->rx_max_pending = adapter->max_rx_add_entries_per_subcrq;
+ ring->tx_max_pending = adapter->max_tx_entries_per_subcrq;
ring->rx_mini_max_pending = 0;
ring->rx_jumbo_max_pending = 0;
- ring->rx_pending = 0;
- ring->tx_pending = 0;
+ ring->rx_pending = adapter->req_rx_add_entries_per_subcrq;
+ ring->tx_pending = adapter->req_tx_entries_per_subcrq;
ring->rx_mini_pending = 0;
ring->rx_jumbo_pending = 0;
}
+static int ibmvnic_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+
+ if (ring->rx_pending > adapter->max_rx_add_entries_per_subcrq ||
+ ring->tx_pending > adapter->max_tx_entries_per_subcrq) {
+ netdev_err(netdev, "Invalid request.\n");
+ netdev_err(netdev, "Max tx buffers = %llu\n",
+ adapter->max_rx_add_entries_per_subcrq);
+ netdev_err(netdev, "Max rx buffers = %llu\n",
+ adapter->max_tx_entries_per_subcrq);
+ return -EINVAL;
+ }
+
+ adapter->desired.rx_entries = ring->rx_pending;
+ adapter->desired.tx_entries = ring->tx_pending;
+
+ return wait_for_reset(adapter);
+}
+
+static void ibmvnic_get_channels(struct net_device *netdev,
+ struct ethtool_channels *channels)
+{
+ struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+
+ channels->max_rx = adapter->max_rx_queues;
+ channels->max_tx = adapter->max_tx_queues;
+ channels->max_other = 0;
+ channels->max_combined = 0;
+ channels->rx_count = adapter->req_rx_queues;
+ channels->tx_count = adapter->req_tx_queues;
+ channels->other_count = 0;
+ channels->combined_count = 0;
+}
+
+static int ibmvnic_set_channels(struct net_device *netdev,
+ struct ethtool_channels *channels)
+{
+ struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+
+ adapter->desired.rx_queues = channels->rx_count;
+ adapter->desired.tx_queues = channels->tx_count;
+
+ return wait_for_reset(adapter);
+}
+
static void ibmvnic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
+ struct ibmvnic_adapter *adapter = netdev_priv(dev);
int i;
if (stringset != ETH_SS_STATS)
@@ -1713,13 +2057,39 @@ static void ibmvnic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
for (i = 0; i < ARRAY_SIZE(ibmvnic_stats); i++, data += ETH_GSTRING_LEN)
memcpy(data, ibmvnic_stats[i].name, ETH_GSTRING_LEN);
+
+ for (i = 0; i < adapter->req_tx_queues; i++) {
+ snprintf(data, ETH_GSTRING_LEN, "tx%d_packets", i);
+ data += ETH_GSTRING_LEN;
+
+ snprintf(data, ETH_GSTRING_LEN, "tx%d_bytes", i);
+ data += ETH_GSTRING_LEN;
+
+ snprintf(data, ETH_GSTRING_LEN, "tx%d_dropped_packets", i);
+ data += ETH_GSTRING_LEN;
+ }
+
+ for (i = 0; i < adapter->req_rx_queues; i++) {
+ snprintf(data, ETH_GSTRING_LEN, "rx%d_packets", i);
+ data += ETH_GSTRING_LEN;
+
+ snprintf(data, ETH_GSTRING_LEN, "rx%d_bytes", i);
+ data += ETH_GSTRING_LEN;
+
+ snprintf(data, ETH_GSTRING_LEN, "rx%d_interrupts", i);
+ data += ETH_GSTRING_LEN;
+ }
}
static int ibmvnic_get_sset_count(struct net_device *dev, int sset)
{
+ struct ibmvnic_adapter *adapter = netdev_priv(dev);
+
switch (sset) {
case ETH_SS_STATS:
- return ARRAY_SIZE(ibmvnic_stats);
+ return ARRAY_SIZE(ibmvnic_stats) +
+ adapter->req_tx_queues * NUM_TX_STATS +
+ adapter->req_rx_queues * NUM_RX_STATS;
default:
return -EOPNOTSUPP;
}
@@ -1730,7 +2100,7 @@ static void ibmvnic_get_ethtool_stats(struct net_device *dev,
{
struct ibmvnic_adapter *adapter = netdev_priv(dev);
union ibmvnic_crq crq;
- int i;
+ int i, j;
memset(&crq, 0, sizeof(crq));
crq.request_statistics.first = IBMVNIC_CRQ_CMD;
@@ -1745,7 +2115,26 @@ static void ibmvnic_get_ethtool_stats(struct net_device *dev,
wait_for_completion(&adapter->stats_done);
for (i = 0; i < ARRAY_SIZE(ibmvnic_stats); i++)
- data[i] = IBMVNIC_GET_STAT(adapter, ibmvnic_stats[i].offset);
+ data[i] = be64_to_cpu(IBMVNIC_GET_STAT(adapter,
+ ibmvnic_stats[i].offset));
+
+ for (j = 0; j < adapter->req_tx_queues; j++) {
+ data[i] = adapter->tx_stats_buffers[j].packets;
+ i++;
+ data[i] = adapter->tx_stats_buffers[j].bytes;
+ i++;
+ data[i] = adapter->tx_stats_buffers[j].dropped_packets;
+ i++;
+ }
+
+ for (j = 0; j < adapter->req_rx_queues; j++) {
+ data[i] = adapter->rx_stats_buffers[j].packets;
+ i++;
+ data[i] = adapter->rx_stats_buffers[j].bytes;
+ i++;
+ data[i] = adapter->rx_stats_buffers[j].interrupts;
+ i++;
+ }
}
static const struct ethtool_ops ibmvnic_ethtool_ops = {
@@ -1754,6 +2143,9 @@ static const struct ethtool_ops ibmvnic_ethtool_ops = {
.set_msglevel = ibmvnic_set_msglevel,
.get_link = ibmvnic_get_link,
.get_ringparam = ibmvnic_get_ringparam,
+ .set_ringparam = ibmvnic_set_ringparam,
+ .get_channels = ibmvnic_get_channels,
+ .set_channels = ibmvnic_set_channels,
.get_strings = ibmvnic_get_strings,
.get_sset_count = ibmvnic_get_sset_count,
.get_ethtool_stats = ibmvnic_get_ethtool_stats,
@@ -1786,12 +2178,14 @@ static int reset_sub_crq_queues(struct ibmvnic_adapter *adapter)
int i, rc;
for (i = 0; i < adapter->req_tx_queues; i++) {
+ netdev_dbg(adapter->netdev, "Re-setting tx_scrq[%d]\n", i);
rc = reset_one_sub_crq_queue(adapter, adapter->tx_scrq[i]);
if (rc)
return rc;
}
for (i = 0; i < adapter->req_rx_queues; i++) {
+ netdev_dbg(adapter->netdev, "Re-setting rx_scrq[%d]\n", i);
rc = reset_one_sub_crq_queue(adapter, adapter->rx_scrq[i]);
if (rc)
return rc;
@@ -1895,6 +2289,8 @@ static void release_sub_crqs(struct ibmvnic_adapter *adapter)
if (!adapter->tx_scrq[i])
continue;
+ netdev_dbg(adapter->netdev, "Releasing tx_scrq[%d]\n",
+ i);
if (adapter->tx_scrq[i]->irq) {
free_irq(adapter->tx_scrq[i]->irq,
adapter->tx_scrq[i]);
@@ -1914,6 +2310,8 @@ static void release_sub_crqs(struct ibmvnic_adapter *adapter)
if (!adapter->rx_scrq[i])
continue;
+ netdev_dbg(adapter->netdev, "Releasing rx_scrq[%d]\n",
+ i);
if (adapter->rx_scrq[i]->irq) {
free_irq(adapter->rx_scrq[i]->irq,
adapter->rx_scrq[i]);
@@ -2050,6 +2448,8 @@ static irqreturn_t ibmvnic_interrupt_rx(int irq, void *instance)
struct ibmvnic_sub_crq_queue *scrq = instance;
struct ibmvnic_adapter *adapter = scrq->adapter;
+ adapter->rx_stats_buffers[scrq->scrq_num].interrupts++;
+
if (napi_schedule_prep(&adapter->napi[scrq->scrq_num])) {
disable_scrq_irq(adapter, scrq);
__napi_schedule(&adapter->napi[scrq->scrq_num]);
@@ -2066,6 +2466,8 @@ static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter)
int rc = 0;
for (i = 0; i < adapter->req_tx_queues; i++) {
+ netdev_dbg(adapter->netdev, "Initializing tx_scrq[%d] irq\n",
+ i);
scrq = adapter->tx_scrq[i];
scrq->irq = irq_create_mapping(NULL, scrq->hw_irq);
@@ -2087,6 +2489,8 @@ static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter)
}
for (i = 0; i < adapter->req_rx_queues; i++) {
+ netdev_dbg(adapter->netdev, "Initializing rx_scrq[%d] irq\n",
+ i);
scrq = adapter->rx_scrq[i];
scrq->irq = irq_create_mapping(NULL, scrq->hw_irq);
if (!scrq->irq) {
@@ -2207,6 +2611,7 @@ static void ibmvnic_send_req_caps(struct ibmvnic_adapter *adapter, int retry)
{
struct device *dev = &adapter->vdev->dev;
union ibmvnic_crq crq;
+ int max_entries;
if (!retry) {
/* Sub-CRQ entries are 32 byte long */
@@ -2218,21 +2623,60 @@ static void ibmvnic_send_req_caps(struct ibmvnic_adapter *adapter, int retry)
return;
}
- /* Get the minimum between the queried max and the entries
- * that fit in our PAGE_SIZE
- */
- adapter->req_tx_entries_per_subcrq =
- adapter->max_tx_entries_per_subcrq > entries_page ?
- entries_page : adapter->max_tx_entries_per_subcrq;
- adapter->req_rx_add_entries_per_subcrq =
- adapter->max_rx_add_entries_per_subcrq > entries_page ?
- entries_page : adapter->max_rx_add_entries_per_subcrq;
-
- adapter->req_tx_queues = adapter->opt_tx_comp_sub_queues;
- adapter->req_rx_queues = adapter->opt_rx_comp_queues;
- adapter->req_rx_add_queues = adapter->max_rx_add_queues;
+ if (adapter->desired.mtu)
+ adapter->req_mtu = adapter->desired.mtu;
+ else
+ adapter->req_mtu = adapter->netdev->mtu + ETH_HLEN;
+
+ if (!adapter->desired.tx_entries)
+ adapter->desired.tx_entries =
+ adapter->max_tx_entries_per_subcrq;
+ if (!adapter->desired.rx_entries)
+ adapter->desired.rx_entries =
+ adapter->max_rx_add_entries_per_subcrq;
+
+ max_entries = IBMVNIC_MAX_LTB_SIZE /
+ (adapter->req_mtu + IBMVNIC_BUFFER_HLEN);
+
+ if ((adapter->req_mtu + IBMVNIC_BUFFER_HLEN) *
+ adapter->desired.tx_entries > IBMVNIC_MAX_LTB_SIZE) {
+ adapter->desired.tx_entries = max_entries;
+ }
+
+ if ((adapter->req_mtu + IBMVNIC_BUFFER_HLEN) *
+ adapter->desired.rx_entries > IBMVNIC_MAX_LTB_SIZE) {
+ adapter->desired.rx_entries = max_entries;
+ }
+
+ if (adapter->desired.tx_entries)
+ adapter->req_tx_entries_per_subcrq =
+ adapter->desired.tx_entries;
+ else
+ adapter->req_tx_entries_per_subcrq =
+ adapter->max_tx_entries_per_subcrq;
+
+ if (adapter->desired.rx_entries)
+ adapter->req_rx_add_entries_per_subcrq =
+ adapter->desired.rx_entries;
+ else
+ adapter->req_rx_add_entries_per_subcrq =
+ adapter->max_rx_add_entries_per_subcrq;
+
+ if (adapter->desired.tx_queues)
+ adapter->req_tx_queues =
+ adapter->desired.tx_queues;
+ else
+ adapter->req_tx_queues =
+ adapter->opt_tx_comp_sub_queues;
- adapter->req_mtu = adapter->netdev->mtu + ETH_HLEN;
+ if (adapter->desired.rx_queues)
+ adapter->req_rx_queues =
+ adapter->desired.rx_queues;
+ else
+ adapter->req_rx_queues =
+ adapter->opt_rx_comp_queues;
+
+ adapter->req_rx_add_queues = adapter->max_rx_add_queues;
}
memset(&crq, 0, sizeof(crq));
@@ -2445,6 +2889,55 @@ static int send_version_xchg(struct ibmvnic_adapter *adapter)
return ibmvnic_send_crq(adapter, &crq);
}
+struct vnic_login_client_data {
+ u8 type;
+ __be16 len;
+ char name;
+} __packed;
+
+static int vnic_client_data_len(struct ibmvnic_adapter *adapter)
+{
+ int len;
+
+ /* Calculate the amount of buffer space needed for the
+ * vnic client data in the login buffer. There are four entries,
+ * OS name, LPAR name, device name, and a null last entry.
+ */
+ len = 4 * sizeof(struct vnic_login_client_data);
+ len += 6; /* "Linux" plus NULL */
+ len += strlen(utsname()->nodename) + 1;
+ len += strlen(adapter->netdev->name) + 1;
+
+ return len;
+}
+
+static void vnic_add_client_data(struct ibmvnic_adapter *adapter,
+ struct vnic_login_client_data *vlcd)
+{
+ const char *os_name = "Linux";
+ int len;
+
+ /* Type 1 - LPAR OS */
+ vlcd->type = 1;
+ len = strlen(os_name) + 1;
+ vlcd->len = cpu_to_be16(len);
+ strncpy(&vlcd->name, os_name, len);
+ vlcd = (struct vnic_login_client_data *)((char *)&vlcd->name + len);
+
+ /* Type 2 - LPAR name */
+ vlcd->type = 2;
+ len = strlen(utsname()->nodename) + 1;
+ vlcd->len = cpu_to_be16(len);
+ strncpy(&vlcd->name, utsname()->nodename, len);
+ vlcd = (struct vnic_login_client_data *)((char *)&vlcd->name + len);
+
+ /* Type 3 - device name */
+ vlcd->type = 3;
+ len = strlen(adapter->netdev->name) + 1;
+ vlcd->len = cpu_to_be16(len);
+ strncpy(&vlcd->name, adapter->netdev->name, len);
+}
+
static void send_login(struct ibmvnic_adapter *adapter)
{
struct ibmvnic_login_rsp_buffer *login_rsp_buffer;
@@ -2457,13 +2950,18 @@ static void send_login(struct ibmvnic_adapter *adapter)
size_t buffer_size;
__be64 *tx_list_p;
__be64 *rx_list_p;
+ int client_data_len;
+ struct vnic_login_client_data *vlcd;
int i;
+ client_data_len = vnic_client_data_len(adapter);
+
buffer_size =
sizeof(struct ibmvnic_login_buffer) +
- sizeof(u64) * (adapter->req_tx_queues + adapter->req_rx_queues);
+ sizeof(u64) * (adapter->req_tx_queues + adapter->req_rx_queues) +
+ client_data_len;
- login_buffer = kmalloc(buffer_size, GFP_ATOMIC);
+ login_buffer = kzalloc(buffer_size, GFP_ATOMIC);
if (!login_buffer)
goto buf_alloc_failed;
@@ -2530,6 +3028,15 @@ static void send_login(struct ibmvnic_adapter *adapter)
}
}
+ /* Insert vNIC login client data */
+ vlcd = (struct vnic_login_client_data *)
+ ((char *)rx_list_p + (sizeof(u64) * adapter->req_rx_queues));
+ login_buffer->client_data_offset =
+ cpu_to_be32((char *)vlcd - (char *)login_buffer);
+ login_buffer->client_data_len = cpu_to_be32(client_data_len);
+
+ vnic_add_client_data(adapter, vlcd);
+
netdev_dbg(adapter->netdev, "Login Buffer:\n");
for (i = 0; i < (adapter->login_buf_sz - 1) / 8 + 1; i++) {
netdev_dbg(adapter->netdev, "%016lx\n",
@@ -2708,6 +3215,73 @@ static void send_cap_queries(struct ibmvnic_adapter *adapter)
ibmvnic_send_crq(adapter, &crq);
}
+static void handle_vpd_size_rsp(union ibmvnic_crq *crq,
+ struct ibmvnic_adapter *adapter)
+{
+ struct device *dev = &adapter->vdev->dev;
+
+ if (crq->get_vpd_size_rsp.rc.code) {
+ dev_err(dev, "Error retrieving VPD size, rc=%x\n",
+ crq->get_vpd_size_rsp.rc.code);
+ complete(&adapter->fw_done);
+ return;
+ }
+
+ adapter->vpd->len = be64_to_cpu(crq->get_vpd_size_rsp.len);
+ complete(&adapter->fw_done);
+}
+
+static void handle_vpd_rsp(union ibmvnic_crq *crq,
+ struct ibmvnic_adapter *adapter)
+{
+ struct device *dev = &adapter->vdev->dev;
+ unsigned char *substr = NULL, *ptr = NULL;
+ u8 fw_level_len = 0;
+
+ memset(adapter->fw_version, 0, 32);
+
+ dma_unmap_single(dev, adapter->vpd->dma_addr, adapter->vpd->len,
+ DMA_FROM_DEVICE);
+
+ if (crq->get_vpd_rsp.rc.code) {
+ dev_err(dev, "Error retrieving VPD from device, rc=%x\n",
+ crq->get_vpd_rsp.rc.code);
+ goto complete;
+ }
+
+ /* get the position of the firmware version info
+ * located after the ASCII 'RM' substring in the buffer
+ */
+ substr = strnstr(adapter->vpd->buff, "RM", adapter->vpd->len);
+ if (!substr) {
+ dev_info(dev, "No FW level provided by VPD\n");
+ goto complete;
+ }
+
+ /* get length of firmware level ASCII substring */
+ if ((substr + 2) < (adapter->vpd->buff + adapter->vpd->len)) {
+ fw_level_len = *(substr + 2);
+ } else {
+ dev_info(dev, "Length of FW substr extrapolated VDP buff\n");
+ goto complete;
+ }
+
+ /* copy firmware version string from vpd into adapter */
+ if ((substr + 3 + fw_level_len) <
+ (adapter->vpd->buff + adapter->vpd->len)) {
+ ptr = strncpy((char *)adapter->fw_version,
+ substr + 3, fw_level_len);
+
+ if (!ptr)
+ dev_err(dev, "Failed to isolate FW level string\n");
+ } else {
+ dev_info(dev, "FW substr extrapolated VPD buff\n");
+ }
+
+complete:
+ complete(&adapter->fw_done);
+}
+
static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter)
{
struct device *dev = &adapter->vdev->dev;
@@ -2776,14 +3350,14 @@ static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter)
adapter->ip_offload_ctrl.udp_ipv4_chksum = buf->udp_ipv4_chksum;
adapter->ip_offload_ctrl.tcp_ipv6_chksum = buf->tcp_ipv6_chksum;
adapter->ip_offload_ctrl.udp_ipv6_chksum = buf->udp_ipv6_chksum;
+ adapter->ip_offload_ctrl.large_tx_ipv4 = buf->large_tx_ipv4;
+ adapter->ip_offload_ctrl.large_tx_ipv6 = buf->large_tx_ipv6;
- /* large_tx/rx disabled for now, additional features needed */
- adapter->ip_offload_ctrl.large_tx_ipv4 = 0;
- adapter->ip_offload_ctrl.large_tx_ipv6 = 0;
+ /* large_rx disabled for now, additional features needed */
adapter->ip_offload_ctrl.large_rx_ipv4 = 0;
adapter->ip_offload_ctrl.large_rx_ipv6 = 0;
- adapter->netdev->features = NETIF_F_GSO;
+ adapter->netdev->features = NETIF_F_SG | NETIF_F_GSO;
if (buf->tcp_ipv4_chksum || buf->udp_ipv4_chksum)
adapter->netdev->features |= NETIF_F_IP_CSUM;
@@ -2795,6 +3369,13 @@ static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter)
(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)))
adapter->netdev->features |= NETIF_F_RXCSUM;
+ if (buf->large_tx_ipv4)
+ adapter->netdev->features |= NETIF_F_TSO;
+ if (buf->large_tx_ipv6)
+ adapter->netdev->features |= NETIF_F_TSO6;
+
+ adapter->netdev->hw_features |= adapter->netdev->features;
+
memset(&crq, 0, sizeof(crq));
crq.control_ip_offload.first = IBMVNIC_CRQ_CMD;
crq.control_ip_offload.cmd = CONTROL_IP_OFFLOAD;
@@ -3004,7 +3585,6 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq,
*req_value,
(long int)be64_to_cpu(crq->request_capability_rsp.
number), name);
- release_sub_crqs(adapter);
*req_value = be64_to_cpu(crq->request_capability_rsp.number);
ibmvnic_send_req_caps(adapter, 1);
return;
@@ -3047,6 +3627,7 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq,
struct ibmvnic_adapter *adapter)
{
struct device *dev = &adapter->vdev->dev;
+ struct net_device *netdev = adapter->netdev;
struct ibmvnic_login_rsp_buffer *login_rsp = adapter->login_rsp_buf;
struct ibmvnic_login_buffer *login = adapter->login_buf;
int i;
@@ -3066,6 +3647,8 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq,
return 0;
}
+ netdev->mtu = adapter->req_mtu - ETH_HLEN;
+
netdev_dbg(adapter->netdev, "Login Response Buffer:\n");
for (i = 0; i < (adapter->login_rsp_buf_sz - 1) / 8 + 1; i++) {
netdev_dbg(adapter->netdev, "%016lx\n",
@@ -3430,6 +4013,12 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
netdev_dbg(netdev, "Got Collect firmware trace Response\n");
complete(&adapter->fw_done);
break;
+ case GET_VPD_SIZE_RSP:
+ handle_vpd_size_rsp(crq, adapter);
+ break;
+ case GET_VPD_RSP:
+ handle_vpd_rsp(crq, adapter);
+ break;
default:
netdev_err(netdev, "Got an invalid cmd type 0x%02x\n",
gen_crq->cmd);
@@ -3621,7 +4210,7 @@ static int ibmvnic_init(struct ibmvnic_adapter *adapter)
unsigned long timeout = msecs_to_jiffies(30000);
int rc;
- if (adapter->resetting) {
+ if (adapter->resetting && !adapter->wait_for_reset) {
rc = ibmvnic_reset_crq(adapter);
if (!rc)
rc = vio_enable_interrupts(adapter->vdev);
@@ -3655,7 +4244,7 @@ static int ibmvnic_init(struct ibmvnic_adapter *adapter)
return -1;
}
- if (adapter->resetting)
+ if (adapter->resetting && !adapter->wait_for_reset)
rc = reset_sub_crq_queues(adapter);
else
rc = init_sub_crqs(adapter);
@@ -3724,33 +4313,45 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
mutex_init(&adapter->rwi_lock);
adapter->resetting = false;
+ adapter->mac_change_pending = false;
+
do {
rc = ibmvnic_init(adapter);
- if (rc && rc != EAGAIN) {
- free_netdev(netdev);
- return rc;
- }
+ if (rc && rc != EAGAIN)
+ goto ibmvnic_init_fail;
} while (rc == EAGAIN);
netdev->mtu = adapter->req_mtu - ETH_HLEN;
+ netdev->min_mtu = adapter->min_mtu - ETH_HLEN;
+ netdev->max_mtu = adapter->max_mtu - ETH_HLEN;
rc = device_create_file(&dev->dev, &dev_attr_failover);
- if (rc) {
- free_netdev(netdev);
- return rc;
- }
+ if (rc)
+ goto ibmvnic_init_fail;
+ netif_carrier_off(netdev);
rc = register_netdev(netdev);
if (rc) {
dev_err(&dev->dev, "failed to register netdev rc=%d\n", rc);
- device_remove_file(&dev->dev, &dev_attr_failover);
- free_netdev(netdev);
- return rc;
+ goto ibmvnic_register_fail;
}
dev_info(&dev->dev, "ibmvnic registered\n");
adapter->state = VNIC_PROBED;
+
+ adapter->wait_for_reset = false;
+
return 0;
+
+ibmvnic_register_fail:
+ device_remove_file(&dev->dev, &dev_attr_failover);
+
+ibmvnic_init_fail:
+ release_sub_crqs(adapter);
+ release_crq_queue(adapter);
+ free_netdev(netdev);
+
+ return rc;
}
static int ibmvnic_remove(struct vio_dev *dev)
@@ -3846,20 +4447,16 @@ static int ibmvnic_resume(struct device *dev)
{
struct net_device *netdev = dev_get_drvdata(dev);
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
- int i;
if (adapter->state != VNIC_OPEN)
return 0;
- /* kick the interrupt handlers just in case we lost an interrupt */
- for (i = 0; i < adapter->req_rx_queues; i++)
- ibmvnic_interrupt_rx(adapter->rx_scrq[i]->irq,
- adapter->rx_scrq[i]);
+ tasklet_schedule(&adapter->tasklet);
return 0;
}
-static struct vio_device_id ibmvnic_device_table[] = {
+static const struct vio_device_id ibmvnic_device_table[] = {
{"network", "IBM,vnic"},
{"", "" }
};
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h
index 8eff6e15f4bb..4487f1e2c266 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -30,6 +30,8 @@
#define IBMVNIC_DRIVER_VERSION "1.0.1"
#define IBMVNIC_INVALID_MAP -1
#define IBMVNIC_STATS_TIMEOUT 1
+#define IBMVNIC_INIT_FAILED 2
+
/* basic structures plus 100 2k buffers */
#define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305
@@ -39,6 +41,12 @@
#define IBMVNIC_BUFFS_PER_POOL 100
#define IBMVNIC_MAX_TX_QUEUES 5
+#define IBMVNIC_TSO_BUF_SZ 65536
+#define IBMVNIC_TSO_BUFS 64
+
+#define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
+#define IBMVNIC_BUFFER_HLEN 500
+
struct ibmvnic_login_buffer {
__be32 len;
__be32 version;
@@ -49,6 +57,8 @@ struct ibmvnic_login_buffer {
__be32 off_rxcomp_subcrqs;
__be32 login_rsp_ioba;
__be32 login_rsp_len;
+ __be32 client_data_offset;
+ __be32 client_data_len;
} __packed __aligned(8);
struct ibmvnic_login_rsp_buffer {
@@ -166,6 +176,20 @@ struct ibmvnic_statistics {
u8 reserved[72];
} __packed __aligned(8);
+#define NUM_TX_STATS 3
+struct ibmvnic_tx_queue_stats {
+ u64 packets;
+ u64 bytes;
+ u64 dropped_packets;
+};
+
+#define NUM_RX_STATS 3
+struct ibmvnic_rx_queue_stats {
+ u64 packets;
+ u64 bytes;
+ u64 interrupts;
+};
+
struct ibmvnic_acl_buffer {
__be32 len;
__be32 version;
@@ -536,6 +560,12 @@ struct ibmvnic_multicast_ctrl {
struct ibmvnic_rc rc;
} __packed __aligned(8);
+struct ibmvnic_get_vpd_size {
+ u8 first;
+ u8 cmd;
+ u8 reserved[14];
+} __packed __aligned(8);
+
struct ibmvnic_get_vpd_size_rsp {
u8 first;
u8 cmd;
@@ -553,6 +583,13 @@ struct ibmvnic_get_vpd {
u8 reserved[4];
} __packed __aligned(8);
+struct ibmvnic_get_vpd_rsp {
+ u8 first;
+ u8 cmd;
+ u8 reserved[10];
+ struct ibmvnic_rc rc;
+} __packed __aligned(8);
+
struct ibmvnic_acl_change_indication {
u8 first;
u8 cmd;
@@ -678,10 +715,10 @@ union ibmvnic_crq {
struct ibmvnic_change_mac_addr change_mac_addr_rsp;
struct ibmvnic_multicast_ctrl multicast_ctrl;
struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
- struct ibmvnic_generic_crq get_vpd_size;
+ struct ibmvnic_get_vpd_size get_vpd_size;
struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
struct ibmvnic_get_vpd get_vpd;
- struct ibmvnic_generic_crq get_vpd_rsp;
+ struct ibmvnic_get_vpd_rsp get_vpd_rsp;
struct ibmvnic_acl_change_indication acl_change_indication;
struct ibmvnic_acl_query acl_query;
struct ibmvnic_generic_crq acl_query_rsp;
@@ -882,6 +919,8 @@ struct ibmvnic_tx_pool {
wait_queue_head_t ibmvnic_tx_comp_q;
struct task_struct *work_thread;
struct ibmvnic_long_term_buff long_term_buff;
+ struct ibmvnic_long_term_buff tso_ltb;
+ int tso_index;
};
struct ibmvnic_rx_buff {
@@ -913,6 +952,12 @@ struct ibmvnic_error_buff {
__be32 error_id;
};
+struct ibmvnic_vpd {
+ unsigned char *buff;
+ dma_addr_t dma_addr;
+ u64 len;
+};
+
enum vnic_state {VNIC_PROBING = 1,
VNIC_PROBED,
VNIC_OPENING,
@@ -926,13 +971,23 @@ enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
VNIC_RESET_MOBILITY,
VNIC_RESET_FATAL,
VNIC_RESET_NON_FATAL,
- VNIC_RESET_TIMEOUT};
+ VNIC_RESET_TIMEOUT,
+ VNIC_RESET_CHANGE_PARAM};
struct ibmvnic_rwi {
enum ibmvnic_reset_reason reset_reason;
struct list_head list;
};
+struct ibmvnic_tunables {
+ u64 rx_queues;
+ u64 tx_queues;
+ u64 rx_entries;
+ u64 tx_entries;
+ u64 mtu;
+ struct sockaddr mac;
+};
+
struct ibmvnic_adapter {
struct vio_dev *vdev;
struct net_device *netdev;
@@ -944,6 +999,10 @@ struct ibmvnic_adapter {
dma_addr_t ip_offload_ctrl_tok;
u32 msg_enable;
+ /* Vital Product Data (VPD) */
+ struct ibmvnic_vpd *vpd;
+ char fw_version[32];
+
/* Statistics */
struct ibmvnic_statistics stats;
dma_addr_t stats_token;
@@ -956,6 +1015,9 @@ struct ibmvnic_adapter {
int tx_send_failed;
int tx_map_failed;
+ struct ibmvnic_tx_queue_stats *tx_stats_buffers;
+ struct ibmvnic_rx_queue_stats *rx_stats_buffers;
+
int phys_link_state;
int logical_link_state;
@@ -990,6 +1052,10 @@ struct ibmvnic_adapter {
struct completion fw_done;
int fw_done_rc;
+ struct completion reset_done;
+ int reset_done_rc;
+ bool wait_for_reset;
+
/* partner capabilities */
u64 min_tx_queues;
u64 min_rx_queues;
@@ -1034,4 +1100,9 @@ struct ibmvnic_adapter {
struct work_struct ibmvnic_reset;
bool resetting;
bool napi_enabled, from_passive_init;
+
+ bool mac_change_pending;
+
+ struct ibmvnic_tunables desired;
+ struct ibmvnic_tunables fallback;
};
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-06 17:43:49 +0000