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-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c28
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h1
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c20
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c40
4 files changed, 65 insertions, 24 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 2c8e2c19d854..78e496b0ec26 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2015,6 +2015,7 @@ static struct sk_buff *bnxt_rx_vlan(struct sk_buff *skb, u8 cmp_type,
}
return skb;
vlan_err:
+ skb_mark_for_recycle(skb);
dev_kfree_skb(skb);
return NULL;
}
@@ -11602,6 +11603,9 @@ static void bnxt_init_napi(struct bnxt *bp)
poll_fn = bnxt_poll_p5;
else if (BNXT_CHIP_TYPE_NITRO_A0(bp))
cp_nr_rings--;
+
+ set_bit(BNXT_STATE_NAPI_DISABLED, &bp->state);
+
for (i = 0; i < cp_nr_rings; i++) {
bnapi = bp->bnapi[i];
netif_napi_add_config_locked(bp->dev, &bnapi->napi, poll_fn,
@@ -12321,12 +12325,15 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
{
struct hwrm_func_drv_if_change_output *resp;
struct hwrm_func_drv_if_change_input *req;
- bool fw_reset = !bp->irq_tbl;
bool resc_reinit = false;
bool caps_change = false;
int rc, retry = 0;
+ bool fw_reset;
u32 flags = 0;
+ fw_reset = (bp->fw_reset_state == BNXT_FW_RESET_STATE_ABORT);
+ bp->fw_reset_state = 0;
+
if (!(bp->fw_cap & BNXT_FW_CAP_IF_CHANGE))
return 0;
@@ -12395,13 +12402,8 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
set_bit(BNXT_STATE_ABORT_ERR, &bp->state);
return rc;
}
+ /* IRQ will be initialized later in bnxt_request_irq()*/
bnxt_clear_int_mode(bp);
- rc = bnxt_init_int_mode(bp);
- if (rc) {
- clear_bit(BNXT_STATE_FW_RESET_DET, &bp->state);
- netdev_err(bp->dev, "init int mode failed\n");
- return rc;
- }
}
rc = bnxt_cancel_reservations(bp, fw_reset);
}
@@ -14834,7 +14836,7 @@ static void bnxt_fw_reset_abort(struct bnxt *bp, int rc)
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
if (bp->fw_reset_state != BNXT_FW_RESET_STATE_POLL_VF)
bnxt_dl_health_fw_status_update(bp, false);
- bp->fw_reset_state = 0;
+ bp->fw_reset_state = BNXT_FW_RESET_STATE_ABORT;
netif_close(bp->dev);
}
@@ -16932,10 +16934,9 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
if (!err)
result = PCI_ERS_RESULT_RECOVERED;
+ /* IRQ will be initialized later in bnxt_io_resume */
bnxt_ulp_irq_stop(bp);
bnxt_clear_int_mode(bp);
- err = bnxt_init_int_mode(bp);
- bnxt_ulp_irq_restart(bp, err);
}
reset_exit:
@@ -16964,10 +16965,13 @@ static void bnxt_io_resume(struct pci_dev *pdev)
err = bnxt_hwrm_func_qcaps(bp);
if (!err) {
- if (netif_running(netdev))
+ if (netif_running(netdev)) {
err = bnxt_open(netdev);
- else
+ } else {
err = bnxt_reserve_rings(bp, true);
+ if (!err)
+ err = bnxt_init_int_mode(bp);
+ }
}
if (!err)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 21726cf56586..bc8b3b7e915d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -2614,6 +2614,7 @@ struct bnxt {
#define BNXT_FW_RESET_STATE_POLL_FW 4
#define BNXT_FW_RESET_STATE_OPENING 5
#define BNXT_FW_RESET_STATE_POLL_FW_DOWN 6
+#define BNXT_FW_RESET_STATE_ABORT 7
u16 fw_reset_min_dsecs;
#define BNXT_DFLT_FW_RST_MIN_DSECS 20
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c
index 5576e7cf8463..a000d3f630bd 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_coredump.c
@@ -110,20 +110,30 @@ static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg,
}
}
+ if (cmn_req->req_type ==
+ cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
+ info->dest_buf_size += len;
+
if (info->dest_buf) {
if ((info->seg_start + off + len) <=
BNXT_COREDUMP_BUF_LEN(info->buf_len)) {
- memcpy(info->dest_buf + off, dma_buf, len);
+ u16 copylen = min_t(u16, len,
+ info->dest_buf_size - off);
+
+ memcpy(info->dest_buf + off, dma_buf, copylen);
+ if (copylen < len)
+ break;
} else {
rc = -ENOBUFS;
+ if (cmn_req->req_type ==
+ cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
+ kfree(info->dest_buf);
+ info->dest_buf = NULL;
+ }
break;
}
}
- if (cmn_req->req_type ==
- cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
- info->dest_buf_size += len;
-
if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
break;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 48dd5922e4dd..f5d490bf997e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2062,6 +2062,17 @@ static int bnxt_get_regs_len(struct net_device *dev)
return reg_len;
}
+#define BNXT_PCIE_32B_ENTRY(start, end) \
+ { offsetof(struct pcie_ctx_hw_stats, start), \
+ offsetof(struct pcie_ctx_hw_stats, end) }
+
+static const struct {
+ u16 start;
+ u16 end;
+} bnxt_pcie_32b_entries[] = {
+ BNXT_PCIE_32B_ENTRY(pcie_ltssm_histogram[0], pcie_ltssm_histogram[3]),
+};
+
static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *_p)
{
@@ -2094,12 +2105,27 @@ static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs,
req->pcie_stat_host_addr = cpu_to_le64(hw_pcie_stats_addr);
rc = hwrm_req_send(bp, req);
if (!rc) {
- __le64 *src = (__le64 *)hw_pcie_stats;
- u64 *dst = (u64 *)(_p + BNXT_PXP_REG_LEN);
- int i;
-
- for (i = 0; i < sizeof(*hw_pcie_stats) / sizeof(__le64); i++)
- dst[i] = le64_to_cpu(src[i]);
+ u8 *dst = (u8 *)(_p + BNXT_PXP_REG_LEN);
+ u8 *src = (u8 *)hw_pcie_stats;
+ int i, j;
+
+ for (i = 0, j = 0; i < sizeof(*hw_pcie_stats); ) {
+ if (i >= bnxt_pcie_32b_entries[j].start &&
+ i <= bnxt_pcie_32b_entries[j].end) {
+ u32 *dst32 = (u32 *)(dst + i);
+
+ *dst32 = le32_to_cpu(*(__le32 *)(src + i));
+ i += 4;
+ if (i > bnxt_pcie_32b_entries[j].end &&
+ j < ARRAY_SIZE(bnxt_pcie_32b_entries) - 1)
+ j++;
+ } else {
+ u64 *dst64 = (u64 *)(dst + i);
+
+ *dst64 = le64_to_cpu(*(__le64 *)(src + i));
+ i += 8;
+ }
+ }
}
hwrm_req_drop(bp, req);
}
@@ -4991,6 +5017,7 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
if (!bp->num_tests || !BNXT_PF(bp))
return;
+ memset(buf, 0, sizeof(u64) * bp->num_tests);
if (etest->flags & ETH_TEST_FL_OFFLINE &&
bnxt_ulp_registered(bp->edev)) {
etest->flags |= ETH_TEST_FL_FAILED;
@@ -4998,7 +5025,6 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
return;
}
- memset(buf, 0, sizeof(u64) * bp->num_tests);
if (!netif_running(dev)) {
etest->flags |= ETH_TEST_FL_FAILED;
return;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.