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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c33
1 files changed, 26 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 527023ee4c07..c2d145a56b5e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -6,6 +6,7 @@
#include <linux/pci.h>
#include <linux/bpf.h>
#include <generated/utsrelease.h>
+#include <linux/crash_dump.h>
/* Local includes */
#include "i40e.h"
@@ -2023,7 +2024,7 @@ static void i40e_undo_add_filter_entries(struct i40e_vsi *vsi,
}
/**
- * i40e_next_entry - Get the next non-broadcast filter from a list
+ * i40e_next_filter - Get the next non-broadcast filter from a list
* @next: pointer to filter in list
*
* Returns the next non-broadcast filter in the list. Required so that we
@@ -5203,7 +5204,7 @@ static u8 i40e_pf_get_num_tc(struct i40e_pf *pf)
}
/**
- * i40e_pf_get_pf_tc_map - Get bitmap for enabled traffic classes
+ * i40e_pf_get_tc_map - Get bitmap for enabled traffic classes
* @pf: PF being queried
*
* Return a bitmap for enabled traffic classes for this PF.
@@ -7338,7 +7339,7 @@ static void i40e_vsi_set_default_tc_config(struct i40e_vsi *vsi)
qcount = min_t(int, vsi->alloc_queue_pairs,
i40e_pf_get_max_q_per_tc(vsi->back));
for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
- /* For the TC that is not enabled set the offset to to default
+ /* For the TC that is not enabled set the offset to default
* queue and allocate one queue for the given TC.
*/
vsi->tc_config.tc_info[i].qoffset = 0;
@@ -9466,7 +9467,7 @@ static void i40e_fdir_flush_and_replay(struct i40e_pf *pf)
}
/**
- * i40e_get_current_atr_count - Get the count of total FD ATR filters programmed
+ * i40e_get_current_atr_cnt - Get the count of total FD ATR filters programmed
* @pf: board private structure
**/
u32 i40e_get_current_atr_cnt(struct i40e_pf *pf)
@@ -10623,7 +10624,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired)
* need to rebuild the switch model in the HW.
*
* If there were VEBs but the reconstitution failed, we'll try
- * try to recover minimal use by getting the basic PF VSI working.
+ * to recover minimal use by getting the basic PF VSI working.
*/
if (vsi->uplink_seid != pf->mac_seid) {
dev_dbg(&pf->pdev->dev, "attempting to rebuild switch\n");
@@ -11039,6 +11040,11 @@ static int i40e_set_num_rings_in_vsi(struct i40e_vsi *vsi)
return -ENODATA;
}
+ if (is_kdump_kernel()) {
+ vsi->num_tx_desc = I40E_MIN_NUM_DESCRIPTORS;
+ vsi->num_rx_desc = I40E_MIN_NUM_DESCRIPTORS;
+ }
+
return 0;
}
@@ -15342,8 +15348,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
i40e_check_recovery_mode(pf);
- hw->aq.num_arq_entries = I40E_AQ_LEN;
- hw->aq.num_asq_entries = I40E_AQ_LEN;
+ if (is_kdump_kernel()) {
+ hw->aq.num_arq_entries = I40E_MIN_ARQ_LEN;
+ hw->aq.num_asq_entries = I40E_MIN_ASQ_LEN;
+ } else {
+ hw->aq.num_arq_entries = I40E_AQ_LEN;
+ hw->aq.num_asq_entries = I40E_AQ_LEN;
+ }
hw->aq.arq_buf_size = I40E_MAX_AQ_BUF_SIZE;
hw->aq.asq_buf_size = I40E_MAX_AQ_BUF_SIZE;
pf->adminq_work_limit = I40E_AQ_WORK_LIMIT;
@@ -15506,6 +15517,14 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
goto err_switch_setup;
+ /* Reduce Tx and Rx pairs for kdump
+ * When MSI-X is enabled, it's not allowed to use more TC queue
+ * pairs than MSI-X vectors (pf->num_lan_msix) exist. Thus
+ * vsi->num_queue_pairs will be equal to pf->num_lan_msix, i.e., 1.
+ */
+ if (is_kdump_kernel())
+ pf->num_lan_msix = 1;
+
pf->udp_tunnel_nic.set_port = i40e_udp_tunnel_set_port;
pf->udp_tunnel_nic.unset_port = i40e_udp_tunnel_unset_port;
pf->udp_tunnel_nic.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP;