#define DRV_VERSION_MAJOR 0
#define DRV_VERSION_MINOR 4
-#define DRV_VERSION_BUILD 10
+#define DRV_VERSION_BUILD 13
#define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \
__stringify(DRV_VERSION_MINOR) "." \
__stringify(DRV_VERSION_BUILD) DRV_KERN
break;
default:
netdev_err(netdev, "tx_timeout recovery unsuccessful\n");
- set_bit(__I40E_DOWN, &vsi->state);
- i40e_down(vsi);
+ set_bit(__I40E_DOWN_REQUESTED, &pf->state);
+ set_bit(__I40E_DOWN_REQUESTED, &vsi->state);
break;
}
i40e_service_event_schedule(pf);
**/
void i40e_pf_reset_stats(struct i40e_pf *pf)
{
+ int i;
+
memset(&pf->stats, 0, sizeof(pf->stats));
memset(&pf->stats_offsets, 0, sizeof(pf->stats_offsets));
pf->stat_offsets_loaded = false;
+
+ for (i = 0; i < I40E_MAX_VEB; i++) {
+ if (pf->veb[i]) {
+ memset(&pf->veb[i]->stats, 0,
+ sizeof(pf->veb[i]->stats));
+ memset(&pf->veb[i]->stats_offsets, 0,
+ sizeof(pf->veb[i]->stats_offsets));
+ pf->veb[i]->stat_offsets_loaded = false;
+ }
+ }
}
/**
netdev_info(netdev, "set mac address=%pM\n", addr->sa_data);
- if (ether_addr_equal(netdev->dev_addr, addr->sa_data))
- return 0;
-
if (test_bit(__I40E_DOWN, &vsi->back->state) ||
test_bit(__I40E_RESET_RECOVERY_PENDING, &vsi->back->state))
return -EADDRNOTAVAIL;
if (vsi->type == I40E_VSI_MAIN) {
i40e_status ret;
ret = i40e_aq_mac_address_write(&vsi->back->hw,
- I40E_AQC_WRITE_TYPE_LAA_ONLY,
+ I40E_AQC_WRITE_TYPE_LAA_WOL,
addr->sa_data, NULL);
if (ret) {
netdev_info(netdev,
ret);
return -EADDRNOTAVAIL;
}
-
- ether_addr_copy(vsi->back->hw.mac.addr, addr->sa_data);
}
- /* In order to be sure to not drop any packets, add the new address
- * then delete the old one.
- */
- f = i40e_add_filter(vsi, addr->sa_data, I40E_VLAN_ANY, false, false);
- if (!f)
- return -ENOMEM;
+ f = i40e_find_mac(vsi, addr->sa_data, false, true);
+ if (!f) {
+ /* In order to be sure to not drop any packets, add the
+ * new address first then delete the old one.
+ */
+ f = i40e_add_filter(vsi, addr->sa_data, I40E_VLAN_ANY,
+ false, false);
+ if (!f)
+ return -ENOMEM;
- i40e_sync_vsi_filters(vsi);
- i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY, false, false);
- i40e_sync_vsi_filters(vsi);
+ i40e_sync_vsi_filters(vsi);
+ i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY,
+ false, false);
+ i40e_sync_vsi_filters(vsi);
+ }
- ether_addr_copy(netdev->dev_addr, addr->sa_data);
+ f->is_laa = true;
+ if (!ether_addr_equal(netdev->dev_addr, addr->sa_data))
+ ether_addr_copy(netdev->dev_addr, addr->sa_data);
return 0;
}
/* skip the flush */
}
+/**
+ * i40e_irq_dynamic_disable - Disable default interrupt generation settings
+ * @vsi: pointer to a vsi
+ * @vector: enable a particular Hw Interrupt vector
+ **/
+void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector)
+{
+ struct i40e_pf *pf = vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ u32 val;
+
+ val = I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
+ wr32(hw, I40E_PFINT_DYN_CTLN(vector - 1), val);
+ i40e_flush(hw);
+}
+
/**
* i40e_msix_clean_rings - MSIX mode Interrupt Handler
* @irq: interrupt number
/* If we don't have enough vectors for a 1-to-1 mapping, we'll have to
* group them so there are multiple queues per vector.
+ * It is also important to go through all the vectors available to be
+ * sure that if we don't use all the vectors, that the remaining vectors
+ * are cleared. This is especially important when decreasing the
+ * number of queues in use.
*/
- for (; v_start < q_vectors && qp_remaining; v_start++) {
+ for (; v_start < q_vectors; v_start++) {
struct i40e_q_vector *q_vector = vsi->q_vectors[v_start];
num_ringpairs = DIV_ROUND_UP(qp_remaining, q_vectors - v_start);
}
#endif
+/**
+ * i40e_pf_txq_wait - Wait for a PF's Tx queue to be enabled or disabled
+ * @pf: the PF being configured
+ * @pf_q: the PF queue
+ * @enable: enable or disable state of the queue
+ *
+ * This routine will wait for the given Tx queue of the PF to reach the
+ * enabled or disabled state.
+ * Returns -ETIMEDOUT in case of failing to reach the requested state after
+ * multiple retries; else will return 0 in case of success.
+ **/
+static int i40e_pf_txq_wait(struct i40e_pf *pf, int pf_q, bool enable)
+{
+ int i;
+ u32 tx_reg;
+
+ for (i = 0; i < I40E_QUEUE_WAIT_RETRY_LIMIT; i++) {
+ tx_reg = rd32(&pf->hw, I40E_QTX_ENA(pf_q));
+ if (enable == !!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK))
+ break;
+
+ udelay(10);
+ }
+ if (i >= I40E_QUEUE_WAIT_RETRY_LIMIT)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
/**
* i40e_vsi_control_tx - Start or stop a VSI's rings
* @vsi: the VSI being configured
{
struct i40e_pf *pf = vsi->back;
struct i40e_hw *hw = &pf->hw;
- int i, j, pf_q;
+ int i, j, pf_q, ret = 0;
u32 tx_reg;
pf_q = vsi->base_queue;
wr32(hw, I40E_QTX_ENA(pf_q), tx_reg);
/* wait for the change to finish */
- for (j = 0; j < 10; j++) {
- tx_reg = rd32(hw, I40E_QTX_ENA(pf_q));
- if (enable == !!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK))
- break;
-
- udelay(10);
- }
- if (j >= 10) {
- dev_info(&pf->pdev->dev, "Tx ring %d %sable timeout\n",
- pf_q, (enable ? "en" : "dis"));
- return -ETIMEDOUT;
+ ret = i40e_pf_txq_wait(pf, pf_q, enable);
+ if (ret) {
+ dev_info(&pf->pdev->dev,
+ "%s: VSI seid %d Tx ring %d %sable timeout\n",
+ __func__, vsi->seid, pf_q,
+ (enable ? "en" : "dis"));
+ break;
}
}
if (hw->revision_id == 0)
mdelay(50);
+ return ret;
+}
+
+/**
+ * i40e_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled
+ * @pf: the PF being configured
+ * @pf_q: the PF queue
+ * @enable: enable or disable state of the queue
+ *
+ * This routine will wait for the given Rx queue of the PF to reach the
+ * enabled or disabled state.
+ * Returns -ETIMEDOUT in case of failing to reach the requested state after
+ * multiple retries; else will return 0 in case of success.
+ **/
+static int i40e_pf_rxq_wait(struct i40e_pf *pf, int pf_q, bool enable)
+{
+ int i;
+ u32 rx_reg;
+
+ for (i = 0; i < I40E_QUEUE_WAIT_RETRY_LIMIT; i++) {
+ rx_reg = rd32(&pf->hw, I40E_QRX_ENA(pf_q));
+ if (enable == !!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK))
+ break;
+
+ udelay(10);
+ }
+ if (i >= I40E_QUEUE_WAIT_RETRY_LIMIT)
+ return -ETIMEDOUT;
return 0;
}
{
struct i40e_pf *pf = vsi->back;
struct i40e_hw *hw = &pf->hw;
- int i, j, pf_q;
+ int i, j, pf_q, ret = 0;
u32 rx_reg;
pf_q = vsi->base_queue;
wr32(hw, I40E_QRX_ENA(pf_q), rx_reg);
/* wait for the change to finish */
- for (j = 0; j < 10; j++) {
- rx_reg = rd32(hw, I40E_QRX_ENA(pf_q));
-
- if (enable == !!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK))
- break;
-
- udelay(10);
- }
- if (j >= 10) {
- dev_info(&pf->pdev->dev, "Rx ring %d %sable timeout\n",
- pf_q, (enable ? "en" : "dis"));
- return -ETIMEDOUT;
+ ret = i40e_pf_rxq_wait(pf, pf_q, enable);
+ if (ret) {
+ dev_info(&pf->pdev->dev,
+ "%s: VSI seid %d Rx ring %d %sable timeout\n",
+ __func__, vsi->seid, pf_q,
+ (enable ? "en" : "dis"));
+ break;
}
}
- return 0;
+ return ret;
}
/**
}
}
+ /* no further action needed, so return now */
+ return;
+ } else if (reset_flags & (1 << __I40E_DOWN_REQUESTED)) {
+ int v;
+
+ /* Find the VSI(s) that needs to be brought down */
+ dev_info(&pf->pdev->dev, "VSI down requested\n");
+ for (v = 0; v < pf->num_alloc_vsi; v++) {
+ struct i40e_vsi *vsi = pf->vsi[v];
+ if (vsi != NULL &&
+ test_bit(__I40E_DOWN_REQUESTED, &vsi->state)) {
+ set_bit(__I40E_DOWN, &vsi->state);
+ i40e_down(vsi);
+ clear_bit(__I40E_DOWN_REQUESTED, &vsi->state);
+ }
+ }
+
/* no further action needed, so return now */
return;
} else {
reset_flags |= (1 << __I40E_GLOBAL_RESET_REQUESTED);
clear_bit(__I40E_GLOBAL_RESET_REQUESTED, &pf->state);
}
+ if (test_bit(__I40E_DOWN_REQUESTED, &pf->state)) {
+ reset_flags |= (1 << __I40E_DOWN_REQUESTED);
+ clear_bit(__I40E_DOWN_REQUESTED, &pf->state);
+ }
/* If there's a recovery already waiting, it takes
* precedence before starting a new reset sequence.
struct i40e_vsi *vsi;
int i;
+ /* quick workaround for an NVM issue that leaves a critical register
+ * uninitialized
+ */
+ if (!rd32(&pf->hw, I40E_GLQF_HKEY(0))) {
+ static const u32 hkey[] = {
+ 0xe640d33f, 0xcdfe98ab, 0x73fa7161, 0x0d7a7d36,
+ 0xeacb7d61, 0xaa4f05b6, 0x9c5c89ed, 0xfc425ddb,
+ 0xa4654832, 0xfc7461d4, 0x8f827619, 0xf5c63c21,
+ 0x95b3a76d};
+
+ for (i = 0; i <= I40E_GLQF_HKEY_MAX_INDEX; i++)
+ wr32(&pf->hw, I40E_GLQF_HKEY(i), hkey[i]);
+ }
+
if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
return;
*
* Close up the VFs and other things in prep for pf Reset.
**/
-static int i40e_prep_for_reset(struct i40e_pf *pf)
+static void i40e_prep_for_reset(struct i40e_pf *pf)
{
struct i40e_hw *hw = &pf->hw;
i40e_status ret = 0;
clear_bit(__I40E_RESET_INTR_RECEIVED, &pf->state);
if (test_and_set_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state))
- return 0;
+ return;
dev_dbg(&pf->pdev->dev, "Tearing down internal switch for reset\n");
/* call shutdown HMC */
if (hw->hmc.hmc_obj) {
ret = i40e_shutdown_lan_hmc(hw);
- if (ret) {
+ if (ret)
dev_warn(&pf->pdev->dev,
"shutdown_lan_hmc failed: %d\n", ret);
- clear_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state);
- }
}
- return ret;
}
/**
}
if (pf->vsi[pf->lan_vsi]->uplink_seid == pf->mac_seid) {
- dev_info(&pf->pdev->dev, "attempting to rebuild PF VSI\n");
+ dev_dbg(&pf->pdev->dev, "attempting to rebuild PF VSI\n");
/* no VEB, so rebuild only the Main VSI */
ret = i40e_add_vsi(pf->vsi[pf->lan_vsi]);
if (ret) {
**/
static void i40e_handle_reset_warning(struct i40e_pf *pf)
{
- i40e_status ret;
-
- ret = i40e_prep_for_reset(pf);
- if (!ret)
- i40e_reset_and_rebuild(pf, false);
+ i40e_prep_for_reset(pf);
+ i40e_reset_and_rebuild(pf, false);
}
/**
{
struct i40e_hw *hw = &pf->hw;
bool mdd_detected = false;
+ bool pf_mdd_detected = false;
struct i40e_vf *vf;
u32 reg;
int i;
/* find what triggered the MDD event */
reg = rd32(hw, I40E_GL_MDET_TX);
if (reg & I40E_GL_MDET_TX_VALID_MASK) {
- u8 func = (reg & I40E_GL_MDET_TX_FUNCTION_MASK)
- >> I40E_GL_MDET_TX_FUNCTION_SHIFT;
- u8 event = (reg & I40E_GL_MDET_TX_EVENT_SHIFT)
- >> I40E_GL_MDET_TX_EVENT_SHIFT;
- u8 queue = (reg & I40E_GL_MDET_TX_QUEUE_MASK)
- >> I40E_GL_MDET_TX_QUEUE_SHIFT;
+ u8 pf_num = (reg & I40E_GL_MDET_TX_PF_NUM_MASK) >>
+ I40E_GL_MDET_TX_PF_NUM_SHIFT;
+ u8 vf_num = (reg & I40E_GL_MDET_TX_VF_NUM_MASK) >>
+ I40E_GL_MDET_TX_VF_NUM_SHIFT;
+ u8 event = (reg & I40E_GL_MDET_TX_EVENT_SHIFT) >>
+ I40E_GL_MDET_TX_EVENT_SHIFT;
+ u8 queue = (reg & I40E_GL_MDET_TX_QUEUE_MASK) >>
+ I40E_GL_MDET_TX_QUEUE_SHIFT;
dev_info(&pf->pdev->dev,
- "Malicious Driver Detection event 0x%02x on TX queue %d of function 0x%02x\n",
- event, queue, func);
+ "Malicious Driver Detection event 0x%02x on TX queue %d pf number 0x%02x vf number 0x%02x\n",
+ event, queue, pf_num, vf_num);
wr32(hw, I40E_GL_MDET_TX, 0xffffffff);
mdd_detected = true;
}
reg = rd32(hw, I40E_GL_MDET_RX);
if (reg & I40E_GL_MDET_RX_VALID_MASK) {
- u8 func = (reg & I40E_GL_MDET_RX_FUNCTION_MASK)
- >> I40E_GL_MDET_RX_FUNCTION_SHIFT;
- u8 event = (reg & I40E_GL_MDET_RX_EVENT_SHIFT)
- >> I40E_GL_MDET_RX_EVENT_SHIFT;
- u8 queue = (reg & I40E_GL_MDET_RX_QUEUE_MASK)
- >> I40E_GL_MDET_RX_QUEUE_SHIFT;
+ u8 func = (reg & I40E_GL_MDET_RX_FUNCTION_MASK) >>
+ I40E_GL_MDET_RX_FUNCTION_SHIFT;
+ u8 event = (reg & I40E_GL_MDET_RX_EVENT_SHIFT) >>
+ I40E_GL_MDET_RX_EVENT_SHIFT;
+ u8 queue = (reg & I40E_GL_MDET_RX_QUEUE_MASK) >>
+ I40E_GL_MDET_RX_QUEUE_SHIFT;
dev_info(&pf->pdev->dev,
"Malicious Driver Detection event 0x%02x on RX queue %d of function 0x%02x\n",
event, queue, func);
mdd_detected = true;
}
+ if (mdd_detected) {
+ reg = rd32(hw, I40E_PF_MDET_TX);
+ if (reg & I40E_PF_MDET_TX_VALID_MASK) {
+ wr32(hw, I40E_PF_MDET_TX, 0xFFFF);
+ dev_info(&pf->pdev->dev,
+ "MDD TX event is for this function 0x%08x, requesting PF reset.\n",
+ reg);
+ pf_mdd_detected = true;
+ }
+ reg = rd32(hw, I40E_PF_MDET_RX);
+ if (reg & I40E_PF_MDET_RX_VALID_MASK) {
+ wr32(hw, I40E_PF_MDET_RX, 0xFFFF);
+ dev_info(&pf->pdev->dev,
+ "MDD RX event is for this function 0x%08x, requesting PF reset.\n",
+ reg);
+ pf_mdd_detected = true;
+ }
+ /* Queue belongs to the PF, initiate a reset */
+ if (pf_mdd_detected) {
+ set_bit(__I40E_PF_RESET_REQUESTED, &pf->state);
+ i40e_service_event_schedule(pf);
+ }
+ }
+
/* see if one of the VFs needs its hand slapped */
for (i = 0; i < pf->num_alloc_vfs && mdd_detected; i++) {
vf = &(pf->vf[i]);
service_task);
unsigned long start_time = jiffies;
+ /* don't bother with service tasks if a reset is in progress */
+ if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state)) {
+ i40e_service_event_complete(pf);
+ return;
+ }
+
i40e_reset_subtask(pf);
i40e_handle_mdd_event(pf);
i40e_vc_process_vflr_event(pf);
u32 lut = 0;
int i, j;
u64 hena;
+ u32 reg_val;
/* Fill out hash function seed */
for (i = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++)
wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
+ /* Check capability and Set table size and register per hw expectation*/
+ reg_val = rd32(hw, I40E_PFQF_CTL_0);
+ if (hw->func_caps.rss_table_size == 512) {
+ reg_val |= I40E_PFQF_CTL_0_HASHLUTSIZE_512;
+ pf->rss_table_size = 512;
+ } else {
+ pf->rss_table_size = 128;
+ reg_val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_512;
+ }
+ wr32(hw, I40E_PFQF_CTL_0, reg_val);
+
/* Populate the LUT with max no. of queues in round robin fashion */
- for (i = 0, j = 0; i < pf->hw.func_caps.rss_table_size; i++, j++) {
+ for (i = 0, j = 0; i < pf->rss_table_size; i++, j++) {
/* The assumption is that lan qp count will be the highest
* qp count for any PF VSI that needs RSS.
list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
f->changed = true;
f_count++;
+
+ if (f->is_laa && vsi->type == I40E_VSI_MAIN) {
+ i40e_aq_mac_address_write(&vsi->back->hw,
+ I40E_AQC_WRITE_TYPE_LAA_WOL,
+ f->macaddr, NULL);
+ }
}
if (f_count) {
vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
goto err_pf_reset;
}
+ if (hw->aq.api_min_ver > I40E_FW_API_VERSION_MINOR)
+ dev_info(&pdev->dev,
+ "Note: FW API version %02x.%02x newer than expected %02x.%02x, recommend driver update.\n",
+ hw->aq.api_maj_ver, hw->aq.api_min_ver,
+ I40E_FW_API_VERSION_MAJOR, I40E_FW_API_VERSION_MINOR);
+
+ if (hw->aq.api_maj_ver < I40E_FW_API_VERSION_MAJOR ||
+ hw->aq.api_min_ver < (I40E_FW_API_VERSION_MINOR-1))
+ dev_info(&pdev->dev,
+ "Note: FW API version %02x.%02x older than expected %02x.%02x, recommend nvm update.\n",
+ hw->aq.api_maj_ver, hw->aq.api_min_ver,
+ I40E_FW_API_VERSION_MAJOR, I40E_FW_API_VERSION_MINOR);
+
+
i40e_verify_eeprom(pf);
/* Rev 0 hardware was never productized */
{
struct i40e_pf *pf = pci_get_drvdata(pdev);
i40e_status ret_code;
- u32 reg;
int i;
i40e_dbg_pf_exit(pf);
kfree(pf->irq_pile);
kfree(pf->vsi);
- /* force a PF reset to clean anything leftover */
- reg = rd32(&pf->hw, I40E_PFGEN_CTRL);
- wr32(&pf->hw, I40E_PFGEN_CTRL, (reg | I40E_PFGEN_CTRL_PFSWR_MASK));
- i40e_flush(&pf->hw);
-
iounmap(pf->hw.hw_addr);
kfree(pf);
pci_release_selected_regions(pdev,
projects / cascardo / linux.git / blobdiff