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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.c177
1 files changed, 157 insertions, 20 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index d5293bfded29..7321a92f8395 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -17,6 +17,16 @@
#include "ionic_ethtool.h"
#include "ionic_debugfs.h"
+/* queuetype support level */
+static const u8 ionic_qtype_versions[IONIC_QTYPE_MAX] = {
+ [IONIC_QTYPE_ADMINQ] = 0, /* 0 = Base version with CQ support */
+ [IONIC_QTYPE_NOTIFYQ] = 0, /* 0 = Base version */
+ [IONIC_QTYPE_RXQ] = 0, /* 0 = Base version with CQ+SG support */
+ [IONIC_QTYPE_TXQ] = 1, /* 0 = Base version with CQ+SG support
+ * 1 = ... with Tx SG version 1
+ */
+};
+
static void ionic_lif_rx_mode(struct ionic_lif *lif, unsigned int rx_mode);
static int ionic_lif_addr_add(struct ionic_lif *lif, const u8 *addr);
static int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr);
@@ -27,6 +37,7 @@ static void ionic_lif_set_netdev_info(struct ionic_lif *lif);
static int ionic_start_queues(struct ionic_lif *lif);
static void ionic_stop_queues(struct ionic_lif *lif);
+static void ionic_lif_queue_identify(struct ionic_lif *lif);
static void ionic_lif_deferred_work(struct work_struct *work)
{
@@ -186,10 +197,10 @@ static int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr)
return 0;
}
-static void ionic_intr_free(struct ionic_lif *lif, int index)
+static void ionic_intr_free(struct ionic *ionic, int index)
{
- if (index != INTR_INDEX_NOT_ASSIGNED && index < lif->ionic->nintrs)
- clear_bit(index, lif->ionic->intrs);
+ if (index != IONIC_INTR_INDEX_NOT_ASSIGNED && index < ionic->nintrs)
+ clear_bit(index, ionic->intrs);
}
static int ionic_qcq_enable(struct ionic_qcq *qcq)
@@ -299,7 +310,7 @@ static void ionic_qcq_free(struct ionic_lif *lif, struct ionic_qcq *qcq)
irq_set_affinity_hint(qcq->intr.vector, NULL);
devm_free_irq(dev, qcq->intr.vector, &qcq->napi);
qcq->intr.vector = 0;
- ionic_intr_free(lif, qcq->intr.index);
+ ionic_intr_free(lif->ionic, qcq->intr.index);
}
devm_kfree(dev, qcq->cq.info);
@@ -345,7 +356,7 @@ static void ionic_link_qcq_interrupts(struct ionic_qcq *src_qcq,
struct ionic_qcq *n_qcq)
{
if (WARN_ON(n_qcq->flags & IONIC_QCQ_F_INTR)) {
- ionic_intr_free(n_qcq->cq.lif, n_qcq->intr.index);
+ ionic_intr_free(n_qcq->cq.lif->ionic, n_qcq->intr.index);
n_qcq->flags &= ~IONIC_QCQ_F_INTR;
}
@@ -444,7 +455,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type,
cpumask_set_cpu(new->intr.cpu,
&new->intr.affinity_mask);
} else {
- new->intr.index = INTR_INDEX_NOT_ASSIGNED;
+ new->intr.index = IONIC_INTR_INDEX_NOT_ASSIGNED;
}
new->cq.info = devm_kzalloc(dev, sizeof(*new->cq.info) * num_descs,
@@ -497,7 +508,7 @@ err_out_free_irq:
devm_free_irq(dev, new->intr.vector, &new->napi);
err_out_free_intr:
if (flags & IONIC_QCQ_F_INTR)
- ionic_intr_free(lif, new->intr.index);
+ ionic_intr_free(lif->ionic, new->intr.index);
err_out:
dev_err(dev, "qcq alloc of %s%d failed %d\n", name, index, err);
return err;
@@ -597,6 +608,7 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
.opcode = IONIC_CMD_Q_INIT,
.lif_index = cpu_to_le16(lif->index),
.type = q->type,
+ .ver = lif->qtype_info[q->type].version,
.index = cpu_to_le32(q->index),
.flags = cpu_to_le16(IONIC_QINIT_F_IRQ |
IONIC_QINIT_F_SG),
@@ -614,6 +626,8 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
dev_dbg(dev, "txq_init.index %d\n", ctx.cmd.q_init.index);
dev_dbg(dev, "txq_init.ring_base 0x%llx\n", ctx.cmd.q_init.ring_base);
dev_dbg(dev, "txq_init.ring_size %d\n", ctx.cmd.q_init.ring_size);
+ dev_dbg(dev, "txq_init.flags 0x%x\n", ctx.cmd.q_init.flags);
+ dev_dbg(dev, "txq_init.ver %d\n", ctx.cmd.q_init.ver);
q->tail = q->info;
q->head = q->tail;
@@ -646,6 +660,7 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
.opcode = IONIC_CMD_Q_INIT,
.lif_index = cpu_to_le16(lif->index),
.type = q->type,
+ .ver = lif->qtype_info[q->type].version,
.index = cpu_to_le32(q->index),
.flags = cpu_to_le16(IONIC_QINIT_F_IRQ |
IONIC_QINIT_F_SG),
@@ -663,6 +678,8 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
dev_dbg(dev, "rxq_init.index %d\n", ctx.cmd.q_init.index);
dev_dbg(dev, "rxq_init.ring_base 0x%llx\n", ctx.cmd.q_init.ring_base);
dev_dbg(dev, "rxq_init.ring_size %d\n", ctx.cmd.q_init.ring_size);
+ dev_dbg(dev, "rxq_init.flags 0x%x\n", ctx.cmd.q_init.flags);
+ dev_dbg(dev, "rxq_init.ver %d\n", ctx.cmd.q_init.ver);
q->tail = q->info;
q->head = q->tail;
@@ -726,7 +743,7 @@ static bool ionic_notifyq_service(struct ionic_cq *cq,
}
break;
default:
- netdev_warn(netdev, "Notifyq unknown event ecode=%d eid=%lld\n",
+ netdev_warn(netdev, "Notifyq event ecode=%d eid=%lld\n",
comp->event.ecode, eid);
break;
}
@@ -775,8 +792,8 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget)
return max(n_work, a_work);
}
-static void ionic_get_stats64(struct net_device *netdev,
- struct rtnl_link_stats64 *ns)
+void ionic_get_stats64(struct net_device *netdev,
+ struct rtnl_link_stats64 *ns)
{
struct ionic_lif *lif = netdev_priv(netdev);
struct ionic_lif_stats *ls;
@@ -1509,17 +1526,25 @@ static void ionic_txrx_free(struct ionic_lif *lif)
static int ionic_txrx_alloc(struct ionic_lif *lif)
{
+ unsigned int sg_desc_sz;
unsigned int flags;
unsigned int i;
int err = 0;
+ if (lif->qtype_info[IONIC_QTYPE_TXQ].version >= 1 &&
+ lif->qtype_info[IONIC_QTYPE_TXQ].sg_desc_sz ==
+ sizeof(struct ionic_txq_sg_desc_v1))
+ sg_desc_sz = sizeof(struct ionic_txq_sg_desc_v1);
+ else
+ sg_desc_sz = sizeof(struct ionic_txq_sg_desc);
+
flags = IONIC_QCQ_F_TX_STATS | IONIC_QCQ_F_SG;
for (i = 0; i < lif->nxqs; i++) {
err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags,
lif->ntxq_descs,
sizeof(struct ionic_txq_desc),
sizeof(struct ionic_txq_comp),
- sizeof(struct ionic_txq_sg_desc),
+ sg_desc_sz,
lif->kern_pid, &lif->txqcqs[i].qcq);
if (err)
goto err_out;
@@ -1682,7 +1707,7 @@ int ionic_stop(struct net_device *netdev)
{
struct ionic_lif *lif = netdev_priv(netdev);
- if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
+ if (!netif_device_present(netdev))
return 0;
ionic_stop_queues(lif);
@@ -1699,6 +1724,9 @@ static int ionic_get_vf_config(struct net_device *netdev,
struct ionic *ionic = lif->ionic;
int ret = 0;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_read(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1726,6 +1754,9 @@ static int ionic_get_vf_stats(struct net_device *netdev, int vf,
struct ionic_lif_stats *vs;
int ret = 0;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_read(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1761,6 +1792,9 @@ static int ionic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
if (!(is_zero_ether_addr(mac) || is_valid_ether_addr(mac)))
return -EINVAL;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1792,6 +1826,9 @@ static int ionic_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
if (proto != htons(ETH_P_8021Q))
return -EPROTONOSUPPORT;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1818,6 +1855,9 @@ static int ionic_set_vf_rate(struct net_device *netdev, int vf,
if (tx_min)
return -EINVAL;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1840,6 +1880,9 @@ static int ionic_set_vf_spoofchk(struct net_device *netdev, int vf, bool set)
u8 data = set; /* convert to u8 for config */
int ret;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1862,6 +1905,9 @@ static int ionic_set_vf_trust(struct net_device *netdev, int vf, bool set)
u8 data = set; /* convert to u8 for config */
int ret;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1898,6 +1944,9 @@ static int ionic_set_vf_link_state(struct net_device *netdev, int vf, int set)
return -EINVAL;
}
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -2065,9 +2114,17 @@ int ionic_lifs_alloc(struct ionic *ionic)
/* only build the first lif, others are for later features */
set_bit(0, ionic->lifbits);
+
lif = ionic_lif_alloc(ionic, 0);
+ if (IS_ERR_OR_NULL(lif)) {
+ clear_bit(0, ionic->lifbits);
+ return -ENOMEM;
+ }
+
+ lif->lif_type = IONIC_LIF_TYPE_CLASSIC;
+ ionic_lif_queue_identify(lif);
- return PTR_ERR_OR_ZERO(lif);
+ return 0;
}
static void ionic_lif_reset(struct ionic_lif *lif)
@@ -2118,6 +2175,7 @@ static void ionic_lif_handle_fw_up(struct ionic_lif *lif)
dev_info(ionic->dev, "FW Up: restarting LIFs\n");
ionic_init_devinfo(ionic);
+ ionic_port_init(ionic);
err = ionic_qcqs_alloc(lif);
if (err)
goto err_out;
@@ -2291,6 +2349,7 @@ static int ionic_lif_notifyq_init(struct ionic_lif *lif)
.opcode = IONIC_CMD_Q_INIT,
.lif_index = cpu_to_le16(lif->index),
.type = q->type,
+ .ver = lif->qtype_info[q->type].version,
.index = cpu_to_le32(q->index),
.flags = cpu_to_le16(IONIC_QINIT_F_IRQ |
IONIC_QINIT_F_ENA),
@@ -2348,7 +2407,17 @@ static int ionic_station_set(struct ionic_lif *lif)
if (is_zero_ether_addr(ctx.comp.lif_getattr.mac))
return 0;
- if (!ether_addr_equal(ctx.comp.lif_getattr.mac, netdev->dev_addr)) {
+ if (!is_zero_ether_addr(netdev->dev_addr)) {
+ /* If the netdev mac is non-zero and doesn't match the default
+ * device address, it was set by something earlier and we're
+ * likely here again after a fw-upgrade reset. We need to be
+ * sure the netdev mac is in our filter list.
+ */
+ if (!ether_addr_equal(ctx.comp.lif_getattr.mac,
+ netdev->dev_addr))
+ ionic_lif_addr(lif, netdev->dev_addr, true);
+ } else {
+ /* Update the netdev mac with the device's mac */
memcpy(addr.sa_data, ctx.comp.lif_getattr.mac, netdev->addr_len);
addr.sa_family = AF_INET;
err = eth_prepare_mac_addr_change(netdev, &addr);
@@ -2358,12 +2427,6 @@ static int ionic_station_set(struct ionic_lif *lif)
return 0;
}
- if (!is_zero_ether_addr(netdev->dev_addr)) {
- netdev_dbg(lif->netdev, "deleting station MAC addr %pM\n",
- netdev->dev_addr);
- ionic_lif_addr(lif, netdev->dev_addr, false);
- }
-
eth_commit_mac_addr_change(netdev, &addr);
}
@@ -2573,6 +2636,80 @@ void ionic_lifs_unregister(struct ionic *ionic)
unregister_netdev(ionic->master_lif->netdev);
}
+static void ionic_lif_queue_identify(struct ionic_lif *lif)
+{
+ struct ionic *ionic = lif->ionic;
+ union ionic_q_identity *q_ident;
+ struct ionic_dev *idev;
+ int qtype;
+ int err;
+
+ idev = &lif->ionic->idev;
+ q_ident = (union ionic_q_identity *)&idev->dev_cmd_regs->data;
+
+ for (qtype = 0; qtype < ARRAY_SIZE(ionic_qtype_versions); qtype++) {
+ struct ionic_qtype_info *qti = &lif->qtype_info[qtype];
+
+ /* filter out the ones we know about */
+ switch (qtype) {
+ case IONIC_QTYPE_ADMINQ:
+ case IONIC_QTYPE_NOTIFYQ:
+ case IONIC_QTYPE_RXQ:
+ case IONIC_QTYPE_TXQ:
+ break;
+ default:
+ continue;
+ }
+
+ memset(qti, 0, sizeof(*qti));
+
+ mutex_lock(&ionic->dev_cmd_lock);
+ ionic_dev_cmd_queue_identify(idev, lif->lif_type, qtype,
+ ionic_qtype_versions[qtype]);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ if (!err) {
+ qti->version = q_ident->version;
+ qti->supported = q_ident->supported;
+ qti->features = le64_to_cpu(q_ident->features);
+ qti->desc_sz = le16_to_cpu(q_ident->desc_sz);
+ qti->comp_sz = le16_to_cpu(q_ident->comp_sz);
+ qti->sg_desc_sz = le16_to_cpu(q_ident->sg_desc_sz);
+ qti->max_sg_elems = le16_to_cpu(q_ident->max_sg_elems);
+ qti->sg_desc_stride = le16_to_cpu(q_ident->sg_desc_stride);
+ }
+ mutex_unlock(&ionic->dev_cmd_lock);
+
+ if (err == -EINVAL) {
+ dev_err(ionic->dev, "qtype %d not supported\n", qtype);
+ continue;
+ } else if (err == -EIO) {
+ dev_err(ionic->dev, "q_ident failed, not supported on older FW\n");
+ return;
+ } else if (err) {
+ dev_err(ionic->dev, "q_ident failed, qtype %d: %d\n",
+ qtype, err);
+ return;
+ }
+
+ dev_dbg(ionic->dev, " qtype[%d].version = %d\n",
+ qtype, qti->version);
+ dev_dbg(ionic->dev, " qtype[%d].supported = 0x%02x\n",
+ qtype, qti->supported);
+ dev_dbg(ionic->dev, " qtype[%d].features = 0x%04llx\n",
+ qtype, qti->features);
+ dev_dbg(ionic->dev, " qtype[%d].desc_sz = %d\n",
+ qtype, qti->desc_sz);
+ dev_dbg(ionic->dev, " qtype[%d].comp_sz = %d\n",
+ qtype, qti->comp_sz);
+ dev_dbg(ionic->dev, " qtype[%d].sg_desc_sz = %d\n",
+ qtype, qti->sg_desc_sz);
+ dev_dbg(ionic->dev, " qtype[%d].max_sg_elems = %d\n",
+ qtype, qti->max_sg_elems);
+ dev_dbg(ionic->dev, " qtype[%d].sg_desc_stride = %d\n",
+ qtype, qti->sg_desc_stride);
+ }
+}
+
int ionic_lif_identify(struct ionic *ionic, u8 lif_type,
union ionic_lif_identity *lid)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.