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path: root/drivers/net/ethernet/intel/igb/igb_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_main.c')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c105
1 files changed, 61 insertions, 44 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index c1d72c03cb59..df33c4b8fa81 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -85,6 +85,8 @@ static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_FIBER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SERDES), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SGMII), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_COPPER_FLASHLESS), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SERDES_FLASHLESS), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_COPPER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_FIBER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SERDES), board_82575 },
@@ -1013,7 +1015,7 @@ static void igb_free_q_vector(struct igb_adapter *adapter, int v_idx)
adapter->q_vector[v_idx] = NULL;
netif_napi_del(&q_vector->napi);
- /* ixgbe_get_stats64() might access the rings on this vector,
+ /* igb_get_stats64() might access the rings on this vector,
* we must wait a grace period before freeing it.
*/
kfree_rcu(q_vector, rcu);
@@ -1929,12 +1931,17 @@ void igb_set_fw_version(struct igb_adapter *adapter)
igb_get_fw_version(hw, &fw);
switch (hw->mac.type) {
+ case e1000_i210:
case e1000_i211:
- snprintf(adapter->fw_version, sizeof(adapter->fw_version),
- "%2d.%2d-%d",
- fw.invm_major, fw.invm_minor, fw.invm_img_type);
- break;
-
+ if (!(igb_get_flash_presence_i210(hw))) {
+ snprintf(adapter->fw_version,
+ sizeof(adapter->fw_version),
+ "%2d.%2d-%d",
+ fw.invm_major, fw.invm_minor,
+ fw.invm_img_type);
+ break;
+ }
+ /* fall through */
default:
/* if option is rom valid, display its version too */
if (fw.or_valid) {
@@ -1944,11 +1951,16 @@ void igb_set_fw_version(struct igb_adapter *adapter)
fw.eep_major, fw.eep_minor, fw.etrack_id,
fw.or_major, fw.or_build, fw.or_patch);
/* no option rom */
- } else {
+ } else if (fw.etrack_id != 0X0000) {
snprintf(adapter->fw_version,
- sizeof(adapter->fw_version),
- "%d.%d, 0x%08x",
- fw.eep_major, fw.eep_minor, fw.etrack_id);
+ sizeof(adapter->fw_version),
+ "%d.%d, 0x%08x",
+ fw.eep_major, fw.eep_minor, fw.etrack_id);
+ } else {
+ snprintf(adapter->fw_version,
+ sizeof(adapter->fw_version),
+ "%d.%d.%d",
+ fw.eep_major, fw.eep_minor, fw.eep_build);
}
break;
}
@@ -2166,15 +2178,28 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
hw->mac.ops.reset_hw(hw);
- /* make sure the NVM is good , i211 parts have special NVM that
- * doesn't contain a checksum
+ /* make sure the NVM is good , i211/i210 parts can have special NVM
+ * that doesn't contain a checksum
*/
- if (hw->mac.type != e1000_i211) {
+ switch (hw->mac.type) {
+ case e1000_i210:
+ case e1000_i211:
+ if (igb_get_flash_presence_i210(hw)) {
+ if (hw->nvm.ops.validate(hw) < 0) {
+ dev_err(&pdev->dev,
+ "The NVM Checksum Is Not Valid\n");
+ err = -EIO;
+ goto err_eeprom;
+ }
+ }
+ break;
+ default:
if (hw->nvm.ops.validate(hw) < 0) {
dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
err = -EIO;
goto err_eeprom;
}
+ break;
}
/* copy the MAC address out of the NVM */
@@ -2436,6 +2461,11 @@ static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs)
int err = 0;
int i;
+ if (!adapter->msix_entries) {
+ err = -EPERM;
+ goto out;
+ }
+
if (!num_vfs)
goto out;
else if (old_vfs && old_vfs == num_vfs)
@@ -3096,7 +3126,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
u32 mrqc, rxcsum;
- u32 j, num_rx_queues, shift = 0;
+ u32 j, num_rx_queues;
static const u32 rsskey[10] = { 0xDA565A6D, 0xC20E5B25, 0x3D256741,
0xB08FA343, 0xCB2BCAD0, 0xB4307BAE,
0xA32DCB77, 0x0CF23080, 0x3BB7426A,
@@ -3109,35 +3139,21 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
num_rx_queues = adapter->rss_queues;
switch (hw->mac.type) {
- case e1000_82575:
- shift = 6;
- break;
case e1000_82576:
/* 82576 supports 2 RSS queues for SR-IOV */
- if (adapter->vfs_allocated_count) {
- shift = 3;
+ if (adapter->vfs_allocated_count)
num_rx_queues = 2;
- }
break;
default:
break;
}
- /* Populate the indirection table 4 entries at a time. To do this
- * we are generating the results for n and n+2 and then interleaving
- * those with the results with n+1 and n+3.
- */
- for (j = 0; j < 32; j++) {
- /* first pass generates n and n+2 */
- u32 base = ((j * 0x00040004) + 0x00020000) * num_rx_queues;
- u32 reta = (base & 0x07800780) >> (7 - shift);
-
- /* second pass generates n+1 and n+3 */
- base += 0x00010001 * num_rx_queues;
- reta |= (base & 0x07800780) << (1 + shift);
-
- wr32(E1000_RETA(j), reta);
+ if (adapter->rss_indir_tbl_init != num_rx_queues) {
+ for (j = 0; j < IGB_RETA_SIZE; j++)
+ adapter->rss_indir_tbl[j] = (j * num_rx_queues) / IGB_RETA_SIZE;
+ adapter->rss_indir_tbl_init = num_rx_queues;
}
+ igb_write_rss_indir_tbl(adapter);
/* Disable raw packet checksumming so that RSS hash is placed in
* descriptor on writeback. No need to enable TCP/UDP/IP checksum
@@ -3844,7 +3860,6 @@ bool igb_has_link(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
bool link_active = false;
- s32 ret_val = 0;
/* get_link_status is set on LSC (link status) interrupt or
* rx sequence error interrupt. get_link_status will stay
@@ -3853,16 +3868,11 @@ bool igb_has_link(struct igb_adapter *adapter)
*/
switch (hw->phy.media_type) {
case e1000_media_type_copper:
- if (hw->mac.get_link_status) {
- ret_val = hw->mac.ops.check_for_link(hw);
- link_active = !hw->mac.get_link_status;
- } else {
- link_active = true;
- }
- break;
+ if (!hw->mac.get_link_status)
+ return true;
case e1000_media_type_internal_serdes:
- ret_val = hw->mac.ops.check_for_link(hw);
- link_active = hw->mac.serdes_has_link;
+ hw->mac.ops.check_for_link(hw);
+ link_active = !hw->mac.get_link_status;
break;
default:
case e1000_media_type_unknown:
@@ -4814,6 +4824,10 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
return -EINVAL;
}
+ /* adjust max frame to be at least the size of a standard frame */
+ if (max_frame < (ETH_FRAME_LEN + ETH_FCS_LEN))
+ max_frame = ETH_FRAME_LEN + ETH_FCS_LEN;
+
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
msleep(1);
@@ -4865,6 +4879,8 @@ void igb_update_stats(struct igb_adapter *adapter,
bytes = 0;
packets = 0;
+
+ rcu_read_lock();
for (i = 0; i < adapter->num_rx_queues; i++) {
u32 rqdpc = rd32(E1000_RQDPC(i));
struct igb_ring *ring = adapter->rx_ring[i];
@@ -4900,6 +4916,7 @@ void igb_update_stats(struct igb_adapter *adapter,
}
net_stats->tx_bytes = bytes;
net_stats->tx_packets = packets;
+ rcu_read_unlock();
/* read stats registers */
adapter->stats.crcerrs += rd32(E1000_CRCERRS);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.