diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 687ef52a8116..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" @@ -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; |