From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 75 ++++++++++++++++++++++++++-----------
1 files changed, 52 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index beee612..abf1690 100644
--- a/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -45,10 +45,8 @@
max_stat_ctxs = bnxt_get_max_func_stat_ctxs(bp);
if (max_stat_ctxs <= BNXT_MIN_ROCE_STAT_CTXS ||
- bp->num_stat_ctxs == max_stat_ctxs)
+ bp->cp_nr_rings == max_stat_ctxs)
return -ENOMEM;
- bnxt_set_max_func_stat_ctxs(bp, max_stat_ctxs -
- BNXT_MIN_ROCE_STAT_CTXS);
}
atomic_set(&ulp->ref_count, 0);
@@ -79,16 +77,11 @@
netdev_err(bp->dev, "ulp id %d not registered\n", ulp_id);
return -EINVAL;
}
- if (ulp_id == BNXT_ROCE_ULP) {
- unsigned int max_stat_ctxs;
+ if (ulp_id == BNXT_ROCE_ULP && ulp->msix_requested)
+ edev->en_ops->bnxt_free_msix(edev, ulp_id);
- max_stat_ctxs = bnxt_get_max_func_stat_ctxs(bp);
- bnxt_set_max_func_stat_ctxs(bp, max_stat_ctxs + 1);
- if (ulp->msix_requested)
- edev->en_ops->bnxt_free_msix(edev, ulp_id);
- }
if (ulp->max_async_event_id)
- bnxt_hwrm_func_rgtr_async_events(bp, NULL, 0);
+ bnxt_hwrm_func_drv_rgtr(bp, NULL, 0, true);
RCU_INIT_POINTER(ulp->ulp_ops, NULL);
synchronize_rcu();
@@ -111,7 +104,13 @@
for (i = 0; i < num_msix; i++) {
ent[i].vector = bp->irq_tbl[idx + i].vector;
ent[i].ring_idx = idx + i;
- ent[i].db_offset = (idx + i) * 0x80;
+ if (bp->flags & BNXT_FLAG_CHIP_P5) {
+ ent[i].db_offset = DB_PF_OFFSET_P5;
+ if (BNXT_VF(bp))
+ ent[i].db_offset = DB_VF_OFFSET_P5;
+ } else {
+ ent[i].db_offset = (idx + i) * 0x80;
+ }
}
}
@@ -120,8 +119,10 @@
{
struct net_device *dev = edev->net;
struct bnxt *bp = netdev_priv(dev);
+ struct bnxt_hw_resc *hw_resc;
int max_idx, max_cp_rings;
int avail_msix, idx;
+ int total_vecs;
int rc = 0;
ASSERT_RTNL();
@@ -149,12 +150,15 @@
}
edev->ulp_tbl[ulp_id].msix_base = idx;
edev->ulp_tbl[ulp_id].msix_requested = avail_msix;
- if (bp->total_irqs < (idx + avail_msix)) {
+ hw_resc = &bp->hw_resc;
+ total_vecs = idx + avail_msix;
+ if (bp->total_irqs < total_vecs ||
+ (BNXT_NEW_RM(bp) && hw_resc->resv_irqs < total_vecs)) {
if (netif_running(dev)) {
bnxt_close_nic(bp, true, false);
rc = bnxt_open_nic(bp, true, false);
} else {
- rc = bnxt_reserve_rings(bp);
+ rc = bnxt_reserve_rings(bp, true);
}
}
if (rc) {
@@ -163,9 +167,10 @@
}
if (BNXT_NEW_RM(bp)) {
- struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+ int resv_msix;
- avail_msix = hw_resc->resv_cp_rings - bp->cp_nr_rings;
+ resv_msix = hw_resc->resv_irqs - bp->cp_nr_rings;
+ avail_msix = min_t(int, resv_msix, avail_msix);
edev->ulp_tbl[ulp_id].msix_requested = avail_msix;
}
bnxt_fill_msix_vecs(bp, ent);
@@ -187,7 +192,7 @@
edev->ulp_tbl[ulp_id].msix_requested = 0;
edev->flags &= ~BNXT_EN_FLAG_MSIX_REQUESTED;
- if (netif_running(dev)) {
+ if (netif_running(dev) && !(edev->flags & BNXT_EN_FLAG_ULP_STOPPED)) {
bnxt_close_nic(bp, true, false);
bnxt_open_nic(bp, true, false);
}
@@ -215,6 +220,18 @@
return 0;
}
+int bnxt_get_ulp_stat_ctxs(struct bnxt *bp)
+{
+ if (bnxt_ulp_registered(bp->edev, BNXT_ROCE_ULP)) {
+ struct bnxt_en_dev *edev = bp->edev;
+
+ if (edev->ulp_tbl[BNXT_ROCE_ULP].msix_requested)
+ return BNXT_MIN_ROCE_STAT_CTXS;
+ }
+
+ return 0;
+}
+
static int bnxt_send_msg(struct bnxt_en_dev *edev, int ulp_id,
struct bnxt_fw_msg *fw_msg)
{
@@ -222,6 +239,9 @@
struct bnxt *bp = netdev_priv(dev);
struct input *req;
int rc;
+
+ if (ulp_id != BNXT_ROCE_ULP && bp->fw_reset_state)
+ return -EBUSY;
mutex_lock(&bp->hwrm_cmd_lock);
req = fw_msg->msg;
@@ -260,6 +280,7 @@
if (!edev)
return;
+ edev->flags |= BNXT_EN_FLAG_ULP_STOPPED;
for (i = 0; i < BNXT_MAX_ULP; i++) {
struct bnxt_ulp *ulp = &edev->ulp_tbl[i];
@@ -270,13 +291,18 @@
}
}
-void bnxt_ulp_start(struct bnxt *bp)
+void bnxt_ulp_start(struct bnxt *bp, int err)
{
struct bnxt_en_dev *edev = bp->edev;
struct bnxt_ulp_ops *ops;
int i;
if (!edev)
+ return;
+
+ edev->flags &= ~BNXT_EN_FLAG_ULP_STOPPED;
+
+ if (err)
return;
for (i = 0; i < BNXT_MAX_ULP; i++) {
@@ -429,7 +455,7 @@
/* Make sure bnxt_ulp_async_events() sees this order */
smp_wmb();
ulp->max_async_event_id = max_id;
- bnxt_hwrm_func_rgtr_async_events(bp, events_bmap, max_id + 1);
+ bnxt_hwrm_func_drv_rgtr(bp, events_bmap, max_id + 1, true);
return 0;
}
@@ -453,13 +479,16 @@
if (!edev)
return ERR_PTR(-ENOMEM);
edev->en_ops = &bnxt_en_ops_tbl;
- if (bp->flags & BNXT_FLAG_ROCEV1_CAP)
- edev->flags |= BNXT_EN_FLAG_ROCEV1_CAP;
- if (bp->flags & BNXT_FLAG_ROCEV2_CAP)
- edev->flags |= BNXT_EN_FLAG_ROCEV2_CAP;
edev->net = dev;
edev->pdev = bp->pdev;
+ edev->l2_db_size = bp->db_size;
+ edev->l2_db_size_nc = bp->db_size;
bp->edev = edev;
}
+ edev->flags &= ~BNXT_EN_FLAG_ROCE_CAP;
+ if (bp->flags & BNXT_FLAG_ROCEV1_CAP)
+ edev->flags |= BNXT_EN_FLAG_ROCEV1_CAP;
+ if (bp->flags & BNXT_FLAG_ROCEV2_CAP)
+ edev->flags |= BNXT_EN_FLAG_ROCEV2_CAP;
return bp->edev;
}
--
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