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path: root/drivers/net/ethernet/pensando/ionic/ionic_lif.c
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Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_lif.c')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.c42
1 files changed, 34 insertions, 8 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index e795fa63ca12..f52c47a71f4b 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -11,6 +11,7 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/cpumask.h>
+#include <linux/crash_dump.h>
#include "ionic.h"
#include "ionic_bus.h"
@@ -1599,7 +1600,6 @@ static int ionic_init_nic_features(struct ionic_lif *lif)
features = NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER |
- NETIF_F_RXHASH |
NETIF_F_SG |
NETIF_F_HW_CSUM |
NETIF_F_RXCSUM |
@@ -1607,6 +1607,9 @@ static int ionic_init_nic_features(struct ionic_lif *lif)
NETIF_F_TSO6 |
NETIF_F_TSO_ECN;
+ if (lif->nxqs > 1)
+ features |= NETIF_F_RXHASH;
+
err = ionic_set_nic_features(lif, features);
if (err)
return err;
@@ -2257,7 +2260,7 @@ static int ionic_stop(struct net_device *netdev)
return 0;
}
-static int ionic_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+static int ionic_eth_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
{
struct ionic_lif *lif = netdev_priv(netdev);
@@ -2519,7 +2522,7 @@ static int ionic_set_vf_link_state(struct net_device *netdev, int vf, int set)
static const struct net_device_ops ionic_netdev_ops = {
.ndo_open = ionic_open,
.ndo_stop = ionic_stop,
- .ndo_do_ioctl = ionic_do_ioctl,
+ .ndo_eth_ioctl = ionic_eth_ioctl,
.ndo_start_xmit = ionic_start_xmit,
.ndo_get_stats64 = ionic_get_stats64,
.ndo_set_rx_mode = ionic_ndo_set_rx_mode,
@@ -2580,22 +2583,26 @@ int ionic_reconfigure_queues(struct ionic_lif *lif,
struct ionic_qcq **tx_qcqs = NULL;
struct ionic_qcq **rx_qcqs = NULL;
unsigned int flags, i;
- int err = -ENOMEM;
+ int err = 0;
/* allocate temporary qcq arrays to hold new queue structs */
if (qparam->nxqs != lif->nxqs || qparam->ntxq_descs != lif->ntxq_descs) {
tx_qcqs = devm_kcalloc(lif->ionic->dev, lif->ionic->ntxqs_per_lif,
sizeof(struct ionic_qcq *), GFP_KERNEL);
- if (!tx_qcqs)
+ if (!tx_qcqs) {
+ err = -ENOMEM;
goto err_out;
+ }
}
if (qparam->nxqs != lif->nxqs ||
qparam->nrxq_descs != lif->nrxq_descs ||
qparam->rxq_features != lif->rxq_features) {
rx_qcqs = devm_kcalloc(lif->ionic->dev, lif->ionic->nrxqs_per_lif,
sizeof(struct ionic_qcq *), GFP_KERNEL);
- if (!rx_qcqs)
+ if (!rx_qcqs) {
+ err = -ENOMEM;
goto err_out;
+ }
}
/* allocate new desc_info and rings, but leave the interrupt setup
@@ -2774,6 +2781,9 @@ err_out:
ionic_qcq_free(lif, lif->rxqcqs[i]);
}
+ if (err)
+ netdev_info(lif->netdev, "%s: failed %d\n", __func__, err);
+
return err;
}
@@ -2827,8 +2837,14 @@ int ionic_lif_alloc(struct ionic *ionic)
lif->ionic = ionic;
lif->index = 0;
- lif->ntxq_descs = IONIC_DEF_TXRX_DESC;
- lif->nrxq_descs = IONIC_DEF_TXRX_DESC;
+
+ if (is_kdump_kernel()) {
+ lif->ntxq_descs = IONIC_MIN_TXRX_DESC;
+ lif->nrxq_descs = IONIC_MIN_TXRX_DESC;
+ } else {
+ lif->ntxq_descs = IONIC_DEF_TXRX_DESC;
+ lif->nrxq_descs = IONIC_DEF_TXRX_DESC;
+ }
/* Convert the default coalesce value to actual hw resolution */
lif->rx_coalesce_usecs = IONIC_ITR_COAL_USEC_DEFAULT;
@@ -3514,6 +3530,7 @@ int ionic_lif_size(struct ionic *ionic)
unsigned int min_intrs;
int err;
+ /* retrieve basic values from FW */
lc = &ident->lif.eth.config;
dev_nintrs = le32_to_cpu(ident->dev.nintrs);
neqs_per_lif = le32_to_cpu(ident->lif.rdma.eq_qtype.qid_count);
@@ -3521,6 +3538,15 @@ int ionic_lif_size(struct ionic *ionic)
ntxqs_per_lif = le32_to_cpu(lc->queue_count[IONIC_QTYPE_TXQ]);
nrxqs_per_lif = le32_to_cpu(lc->queue_count[IONIC_QTYPE_RXQ]);
+ /* limit values to play nice with kdump */
+ if (is_kdump_kernel()) {
+ dev_nintrs = 2;
+ neqs_per_lif = 0;
+ nnqs_per_lif = 0;
+ ntxqs_per_lif = 1;
+ nrxqs_per_lif = 1;
+ }
+
/* reserve last queue id for hardware timestamping */
if (lc->features & cpu_to_le64(IONIC_ETH_HW_TIMESTAMP)) {
if (ntxqs_per_lif <= 1 || nrxqs_per_lif <= 1) {