From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 195 +++++++++++++++++++++++++++++-------------------
1 files changed, 118 insertions(+), 77 deletions(-)
diff --git a/kernel/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/kernel/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index a66492b..989d5c7 100644
--- a/kernel/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/kernel/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -10,6 +10,12 @@
static struct dentry *i40e_dbg_root;
+enum ring_type {
+ RING_TYPE_RX,
+ RING_TYPE_TX,
+ RING_TYPE_XDP
+};
+
/**
* i40e_dbg_find_vsi - searches for the vsi with the given seid
* @pf: the PF structure to search for the vsi
@@ -132,8 +138,6 @@
dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
(unsigned long int)nd->vlan_features);
}
- dev_info(&pf->pdev->dev, " active_vlans is %s\n",
- vsi->active_vlans ? "<valid>" : "<null>");
dev_info(&pf->pdev->dev,
" flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
@@ -321,6 +325,47 @@
i, tx_ring->itr_setting,
ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
}
+ if (i40e_enabled_xdp_vsi(vsi)) {
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
+
+ if (!xdp_ring)
+ continue;
+
+ dev_info(&pf->pdev->dev,
+ " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
+ i, *xdp_ring->state,
+ xdp_ring->queue_index,
+ xdp_ring->reg_idx);
+ dev_info(&pf->pdev->dev,
+ " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
+ i,
+ xdp_ring->next_to_use,
+ xdp_ring->next_to_clean,
+ xdp_ring->ring_active);
+ dev_info(&pf->pdev->dev,
+ " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
+ i, xdp_ring->stats.packets,
+ xdp_ring->stats.bytes,
+ xdp_ring->tx_stats.restart_queue);
+ dev_info(&pf->pdev->dev,
+ " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
+ i,
+ xdp_ring->tx_stats.tx_busy,
+ xdp_ring->tx_stats.tx_done_old);
+ dev_info(&pf->pdev->dev,
+ " xdp_rings[%i]: size = %i\n",
+ i, xdp_ring->size);
+ dev_info(&pf->pdev->dev,
+ " xdp_rings[%i]: DCB tc = %d\n",
+ i, xdp_ring->dcb_tc);
+ dev_info(&pf->pdev->dev,
+ " xdp_rings[%i]: itr_setting = %d (%s)\n",
+ i, xdp_ring->itr_setting,
+ ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
+ "dynamic" : "fixed");
+ }
+ }
rcu_read_unlock();
dev_info(&pf->pdev->dev,
" work_limit = %d\n",
@@ -335,8 +380,9 @@
" seid = %d, id = %d, uplink_seid = %d\n",
vsi->seid, vsi->id, vsi->uplink_seid);
dev_info(&pf->pdev->dev,
- " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
- vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
+ " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
+ vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
+ vsi->num_rx_desc);
dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
if (vsi->type == I40E_VSI_SRIOV)
dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id);
@@ -490,11 +536,12 @@
* @ring_id: ring id entered by user
* @desc_n: descriptor number entered by user
* @pf: the i40e_pf created in command write
- * @is_rx_ring: true if rx, false if tx
+ * @type: enum describing whether ring is RX, TX or XDP
**/
static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
- struct i40e_pf *pf, bool is_rx_ring)
+ struct i40e_pf *pf, enum ring_type type)
{
+ bool is_rx_ring = type == RING_TYPE_RX;
struct i40e_tx_desc *txd;
union i40e_rx_desc *rxd;
struct i40e_ring *ring;
@@ -504,6 +551,18 @@
vsi = i40e_dbg_find_vsi(pf, vsi_seid);
if (!vsi) {
dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
+ return;
+ }
+ if (vsi->type != I40E_VSI_MAIN &&
+ vsi->type != I40E_VSI_FDIR &&
+ vsi->type != I40E_VSI_VMDQ2) {
+ dev_info(&pf->pdev->dev,
+ "vsi %d type %d descriptor rings not available\n",
+ vsi_seid, vsi->type);
+ return;
+ }
+ if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
+ dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
return;
}
if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
@@ -517,15 +576,35 @@
return;
}
- ring = kmemdup(is_rx_ring
- ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
- sizeof(*ring), GFP_KERNEL);
+ switch (type) {
+ case RING_TYPE_RX:
+ ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
+ break;
+ case RING_TYPE_TX:
+ ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
+ break;
+ case RING_TYPE_XDP:
+ ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
+ break;
+ default:
+ ring = NULL;
+ break;
+ }
if (!ring)
return;
if (cnt == 2) {
- dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
- vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
+ switch (type) {
+ case RING_TYPE_RX:
+ dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
+ break;
+ case RING_TYPE_TX:
+ dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
+ break;
+ case RING_TYPE_XDP:
+ dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
+ break;
+ }
for (i = 0; i < ring->count; i++) {
if (!is_rx_ring) {
txd = I40E_TX_DESC(ring, i);
@@ -536,10 +615,9 @@
} else {
rxd = I40E_RX_DESC(ring, i);
dev_info(&pf->pdev->dev,
- " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
+ " d[%03x] = 0x%016llx 0x%016llx\n",
i, rxd->read.pkt_addr,
- rxd->read.hdr_addr,
- rxd->read.rsvd1, rxd->read.rsvd2);
+ rxd->read.hdr_addr);
}
}
} else if (cnt == 3) {
@@ -557,13 +635,12 @@
} else {
rxd = I40E_RX_DESC(ring, desc_n);
dev_info(&pf->pdev->dev,
- "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
+ "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
vsi_seid, ring_id, desc_n,
- rxd->read.pkt_addr, rxd->read.hdr_addr,
- rxd->read.rsvd1, rxd->read.rsvd2);
+ rxd->read.pkt_addr, rxd->read.hdr_addr);
}
} else {
- dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
+ dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
}
out:
@@ -665,10 +742,8 @@
vsi = pf->vsi[vf->lan_vsi_idx];
dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
- dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
- vf->num_mdd_events,
- vf->num_invalid_msgs,
- vf->num_valid_msgs);
+ dev_info(&pf->pdev->dev, " num MDD=%lld\n",
+ vf->num_mdd_events);
} else {
dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
}
@@ -689,7 +764,6 @@
i40e_dbg_dump_vf(pf, i);
}
-#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
/**
* i40e_dbg_command_write - write into command datum
* @filp: the opened file
@@ -921,13 +995,19 @@
cnt = sscanf(&cmd_buf[12], "%i %i %i",
&vsi_seid, &ring_id, &desc_n);
i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
- desc_n, pf, true);
+ desc_n, pf, RING_TYPE_RX);
} else if (strncmp(&cmd_buf[10], "tx", 2)
== 0) {
cnt = sscanf(&cmd_buf[12], "%i %i %i",
&vsi_seid, &ring_id, &desc_n);
i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
- desc_n, pf, false);
+ desc_n, pf, RING_TYPE_TX);
+ } else if (strncmp(&cmd_buf[10], "xdp", 3)
+ == 0) {
+ cnt = sscanf(&cmd_buf[13], "%i %i %i",
+ &vsi_seid, &ring_id, &desc_n);
+ i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
+ desc_n, pf, RING_TYPE_XDP);
} else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
i40e_dbg_dump_aq_desc(pf);
} else {
@@ -935,6 +1015,8 @@
"dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
dev_info(&pf->pdev->dev,
"dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
+ dev_info(&pf->pdev->dev,
+ "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
dev_info(&pf->pdev->dev, "dump desc aq\n");
}
} else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
@@ -1105,7 +1187,7 @@
buff = NULL;
} else {
dev_info(&pf->pdev->dev,
- "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
+ "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n");
dev_info(&pf->pdev->dev, "dump switch\n");
dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
dev_info(&pf->pdev->dev, "dump reset stats\n");
@@ -1125,10 +1207,6 @@
} else if (strncmp(cmd_buf, "globr", 5) == 0) {
dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
-
- } else if (strncmp(cmd_buf, "empr", 4) == 0) {
- dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
- i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
} else if (strncmp(cmd_buf, "read", 4) == 0) {
u32 address;
@@ -1323,7 +1401,7 @@
if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
int ret;
- ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
+ ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
if (ret) {
dev_info(&pf->pdev->dev,
"Stop LLDP AQ command failed =0x%x\n",
@@ -1332,7 +1410,7 @@
}
ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
pf->hw.mac.addr,
- I40E_ETH_P_LLDP, 0,
+ ETH_P_LLDP, 0,
pf->vsi[pf->lan_vsi]->seid,
0, true, NULL, NULL);
if (ret) {
@@ -1350,7 +1428,7 @@
ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
pf->hw.mac.addr,
- I40E_ETH_P_LLDP, 0,
+ ETH_P_LLDP, 0,
pf->vsi[pf->lan_vsi]->seid,
0, false, NULL, NULL);
if (ret) {
@@ -1360,7 +1438,7 @@
/* Continue and start FW LLDP anyways */
}
- ret = i40e_aq_start_lldp(&pf->hw, NULL);
+ ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
if (ret) {
dev_info(&pf->pdev->dev,
"Start LLDP AQ command failed =0x%x\n",
@@ -1525,6 +1603,7 @@
dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
+ dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
dev_info(&pf->pdev->dev, " dump desc aq\n");
dev_info(&pf->pdev->dev, " dump reset stats\n");
dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
@@ -1644,30 +1723,7 @@
count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
}
- if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
- cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
- if (cnt != 1) {
- dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
- goto netdev_ops_write_done;
- }
- vsi = i40e_dbg_find_vsi(pf, vsi_seid);
- if (!vsi) {
- dev_info(&pf->pdev->dev,
- "tx_timeout: VSI %d not found\n", vsi_seid);
- } else if (!vsi->netdev) {
- dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
- vsi_seid);
- } else if (test_bit(__I40E_VSI_DOWN, vsi->state)) {
- dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
- vsi_seid);
- } else if (rtnl_trylock()) {
- vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
- rtnl_unlock();
- dev_info(&pf->pdev->dev, "tx_timeout called\n");
- } else {
- dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
- }
- } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
+ if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
int mtu;
cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
@@ -1735,7 +1791,6 @@
dev_info(&pf->pdev->dev, "unknown command '%s'\n",
i40e_dbg_netdev_ops_buf);
dev_info(&pf->pdev->dev, "available commands\n");
- dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
@@ -1757,29 +1812,15 @@
**/
void i40e_dbg_pf_init(struct i40e_pf *pf)
{
- struct dentry *pfile;
const char *name = pci_name(pf->pdev);
- const struct device *dev = &pf->pdev->dev;
pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
- if (!pf->i40e_dbg_pf)
- return;
- pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
- &i40e_dbg_command_fops);
- if (!pfile)
- goto create_failed;
+ debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
+ &i40e_dbg_command_fops);
- pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
- &i40e_dbg_netdev_ops_fops);
- if (!pfile)
- goto create_failed;
-
- return;
-
-create_failed:
- dev_info(dev, "debugfs dir/file for %s failed\n", name);
- debugfs_remove_recursive(pf->i40e_dbg_pf);
+ debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
+ &i40e_dbg_netdev_ops_fops);
}
/**
--
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