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Differential D16429 Diff 46642 sys/dev/ixl/ixl_pf_iov.c

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sys/dev/ixl/ixl_pf_iov.c

Show First 20 Lines • Show All 71 Lines • ▼ Show 20 Lines
static void ixl_vf_add_mac_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size); static void ixl_vf_add_mac_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size);
static void ixl_vf_del_mac_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size); static void ixl_vf_del_mac_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size);
static enum i40e_status_code ixl_vf_enable_vlan_strip(struct ixl_pf *pf, struct ixl_vf *vf); static enum i40e_status_code ixl_vf_enable_vlan_strip(struct ixl_pf *pf, struct ixl_vf *vf);
static void ixl_vf_add_vlan_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size); static void ixl_vf_add_vlan_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size);
static void ixl_vf_del_vlan_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size); static void ixl_vf_del_vlan_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size);
static void ixl_vf_config_promisc_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size); static void ixl_vf_config_promisc_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size);
static void ixl_vf_get_stats_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size); static void ixl_vf_get_stats_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, uint16_t msg_size);
static int ixl_vf_reserve_queues(struct ixl_pf *pf, struct ixl_vf *vf, int num_queues); static int ixl_vf_reserve_queues(struct ixl_pf *pf, struct ixl_vf *vf, int num_queues);
static int ixl_config_pf_vsi_loopback(struct ixl_pf *pf, bool enable);
static int ixl_adminq_err_to_errno(enum i40e_admin_queue_err err); static int ixl_adminq_err_to_errno(enum i40e_admin_queue_err err);
/*
* TODO: Move pieces of this into iflib and call the rest in a handler?
*
* e.g. ixl_if_iov_set_schema
*
* It's odd to do pci_iov_detach() there while doing pci_iov_attach()
* in the driver.
*/
void void
ixl_initialize_sriov(struct ixl_pf *pf) ixl_initialize_sriov(struct ixl_pf *pf)
{ {
return;
#if 0
device_t dev = pf->dev; device_t dev = pf->dev;
struct i40e_hw *hw = &pf->hw; struct i40e_hw *hw = &pf->hw;
nvlist_t *pf_schema, *vf_schema; nvlist_t *pf_schema, *vf_schema;
int iov_error; int iov_error;
pf_schema = pci_iov_schema_alloc_node(); pf_schema = pci_iov_schema_alloc_node();
vf_schema = pci_iov_schema_alloc_node(); vf_schema = pci_iov_schema_alloc_node();
pci_iov_schema_add_unicast_mac(vf_schema, "mac-addr", 0, NULL); pci_iov_schema_add_unicast_mac(vf_schema, "mac-addr", 0, NULL);
pci_iov_schema_add_bool(vf_schema, "mac-anti-spoof", pci_iov_schema_add_bool(vf_schema, "mac-anti-spoof",
IOV_SCHEMA_HASDEFAULT, TRUE); IOV_SCHEMA_HASDEFAULT, TRUE);
pci_iov_schema_add_bool(vf_schema, "allow-set-mac", pci_iov_schema_add_bool(vf_schema, "allow-set-mac",
IOV_SCHEMA_HASDEFAULT, FALSE); IOV_SCHEMA_HASDEFAULT, FALSE);
pci_iov_schema_add_bool(vf_schema, "allow-promisc", pci_iov_schema_add_bool(vf_schema, "allow-promisc",
IOV_SCHEMA_HASDEFAULT, FALSE); IOV_SCHEMA_HASDEFAULT, FALSE);
pci_iov_schema_add_uint16(vf_schema, "num-queues", pci_iov_schema_add_uint16(vf_schema, "num-queues",
IOV_SCHEMA_HASDEFAULT, IOV_SCHEMA_HASDEFAULT,
max(1, hw->func_caps.num_msix_vectors_vf - 1) % IXLV_MAX_QUEUES); max(1, min(hw->func_caps.num_msix_vectors_vf - 1, IXLV_MAX_QUEUES)));
iov_error = pci_iov_attach(dev, pf_schema, vf_schema); iov_error = pci_iov_attach(dev, pf_schema, vf_schema);
if (iov_error != 0) { if (iov_error != 0) {
device_printf(dev, device_printf(dev,
"Failed to initialize SR-IOV (error=%d)\n", "Failed to initialize SR-IOV (error=%d)\n",
iov_error); iov_error);
} else } else
device_printf(dev, "SR-IOV ready\n"); device_printf(dev, "SR-IOV ready\n");
pf->vc_debug_lvl = 1;
#endif
} }
/* /*
* Allocate the VSI for a VF. * Allocate the VSI for a VF.
*/ */
static int static int
ixl_vf_alloc_vsi(struct ixl_pf *pf, struct ixl_vf *vf) ixl_vf_alloc_vsi(struct ixl_pf *pf, struct ixl_vf *vf)
Show All 13 Linesixl_vf_alloc_vsi(struct ixl_pf *pf, struct ixl_vf *vf)
vsi_ctx.uplink_seid = pf->veb_seid; vsi_ctx.uplink_seid = pf->veb_seid;
vsi_ctx.connection_type = IXL_VSI_DATA_PORT; vsi_ctx.connection_type = IXL_VSI_DATA_PORT;
vsi_ctx.vf_num = hw->func_caps.vf_base_id + vf->vf_num; vsi_ctx.vf_num = hw->func_caps.vf_base_id + vf->vf_num;
vsi_ctx.flags = I40E_AQ_VSI_TYPE_VF; vsi_ctx.flags = I40E_AQ_VSI_TYPE_VF;
bzero(&vsi_ctx.info, sizeof(vsi_ctx.info)); bzero(&vsi_ctx.info, sizeof(vsi_ctx.info));
vsi_ctx.info.valid_sections = htole16(I40E_AQ_VSI_PROP_SWITCH_VALID); vsi_ctx.info.valid_sections = htole16(I40E_AQ_VSI_PROP_SWITCH_VALID);
vsi_ctx.info.switch_id = htole16(0); if (pf->enable_vf_loopback)
vsi_ctx.info.switch_id =
htole16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
vsi_ctx.info.valid_sections |= htole16(I40E_AQ_VSI_PROP_SECURITY_VALID); vsi_ctx.info.valid_sections |= htole16(I40E_AQ_VSI_PROP_SECURITY_VALID);
vsi_ctx.info.sec_flags = 0; vsi_ctx.info.sec_flags = 0;
if (vf->vf_flags & VF_FLAG_MAC_ANTI_SPOOF) if (vf->vf_flags & VF_FLAG_MAC_ANTI_SPOOF)
vsi_ctx.info.sec_flags |= I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK; vsi_ctx.info.sec_flags |= I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK;
vsi_ctx.info.valid_sections |= htole16(I40E_AQ_VSI_PROP_VLAN_VALID); vsi_ctx.info.valid_sections |= htole16(I40E_AQ_VSI_PROP_VLAN_VALID);
vsi_ctx.info.port_vlan_flags = I40E_AQ_VSI_PVLAN_MODE_ALL | vsi_ctx.info.port_vlan_flags = I40E_AQ_VSI_PVLAN_MODE_ALL |
Show All 13 Lines vsi_ctx.info.tc_mapping[0] = htole16(
(0 << I40E_AQ_VSI_TC_QUE_OFFSET_SHIFT) | (0 << I40E_AQ_VSI_TC_QUE_OFFSET_SHIFT) |
((fls(vf->qtag.num_allocated) - 1) << I40E_AQ_VSI_TC_QUE_NUMBER_SHIFT)); ((fls(vf->qtag.num_allocated) - 1) << I40E_AQ_VSI_TC_QUE_NUMBER_SHIFT));
code = i40e_aq_add_vsi(hw, &vsi_ctx, NULL); code = i40e_aq_add_vsi(hw, &vsi_ctx, NULL);
if (code != I40E_SUCCESS) if (code != I40E_SUCCESS)
return (ixl_adminq_err_to_errno(hw->aq.asq_last_status)); return (ixl_adminq_err_to_errno(hw->aq.asq_last_status));
vf->vsi.seid = vsi_ctx.seid; vf->vsi.seid = vsi_ctx.seid;
vf->vsi.vsi_num = vsi_ctx.vsi_number; vf->vsi.vsi_num = vsi_ctx.vsi_number;
// TODO: How to deal with num tx queues / num rx queues split?
// I don't think just assigning this variable is going to work
vf->vsi.num_rx_queues = vf->qtag.num_active; vf->vsi.num_rx_queues = vf->qtag.num_active;
vf->vsi.num_tx_queues = vf->qtag.num_active; vf->vsi.num_tx_queues = vf->qtag.num_active;
code = i40e_aq_get_vsi_params(hw, &vsi_ctx, NULL); code = i40e_aq_get_vsi_params(hw, &vsi_ctx, NULL);
if (code != I40E_SUCCESS) if (code != I40E_SUCCESS)
return (ixl_adminq_err_to_errno(hw->aq.asq_last_status)); return (ixl_adminq_err_to_errno(hw->aq.asq_last_status));
code = i40e_aq_config_vsi_bw_limit(hw, vf->vsi.seid, 0, 0, NULL); code = i40e_aq_config_vsi_bw_limit(hw, vf->vsi.seid, 0, 0, NULL);
Show All 14 Linesixl_vf_setup_vsi(struct ixl_pf *pf, struct ixl_vf *vf)
int error; int error;
hw = &pf->hw; hw = &pf->hw;
error = ixl_vf_alloc_vsi(pf, vf); error = ixl_vf_alloc_vsi(pf, vf);
if (error != 0) if (error != 0)
return (error); return (error);
/* Let VF receive broadcast Ethernet frames */
error = i40e_aq_set_vsi_broadcast(hw, vf->vsi.seid, TRUE, NULL);
if (error)
device_printf(pf->dev, "Error configuring VF VSI for broadcast promiscuous\n");
/* Re-add VF's MAC/VLAN filters to its VSI */
ixl_reconfigure_filters(&vf->vsi);
/* Reset stats? */
vf->vsi.hw_filters_add = 0; vf->vsi.hw_filters_add = 0;
vf->vsi.hw_filters_del = 0; vf->vsi.hw_filters_del = 0;
// ixl_add_filter(&vf->vsi, ixl_bcast_addr, IXL_VLAN_ANY);
ixl_reconfigure_filters(&vf->vsi);
return (0); return (0);
} }
static void static void
ixl_vf_map_vsi_queue(struct i40e_hw *hw, struct ixl_vf *vf, int qnum, ixl_vf_map_vsi_queue(struct i40e_hw *hw, struct ixl_vf *vf, int qnum,
uint32_t val) uint32_t val)
{ {
▲ Show 20 Lines • Show All 148 Lines • ▼ Show 20 Lines
static void static void
ixl_reset_vf(struct ixl_pf *pf, struct ixl_vf *vf) ixl_reset_vf(struct ixl_pf *pf, struct ixl_vf *vf)
{ {
struct i40e_hw *hw; struct i40e_hw *hw;
uint32_t vfrtrig; uint32_t vfrtrig;
hw = &pf->hw; hw = &pf->hw;
ixl_dbg(pf, IXL_DBG_IOV, "Resetting VF-%d\n", vf->vf_num);
vfrtrig = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num)); vfrtrig = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num));
vfrtrig |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; vfrtrig |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num), vfrtrig); wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num), vfrtrig);
ixl_flush(hw); ixl_flush(hw);
ixl_reinit_vf(pf, vf); ixl_reinit_vf(pf, vf);
ixl_dbg(pf, IXL_DBG_IOV, "Resetting VF-%d done.\n", vf->vf_num);
} }
static void static void
ixl_reinit_vf(struct ixl_pf *pf, struct ixl_vf *vf) ixl_reinit_vf(struct ixl_pf *pf, struct ixl_vf *vf)
{ {
struct i40e_hw *hw; struct i40e_hw *hw;
uint32_t vfrstat, vfrtrig; uint32_t vfrstat, vfrtrig;
int i, error; int i, error;
Show All 19 Linesixl_reinit_vf(struct ixl_pf *pf, struct ixl_vf *vf)
wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_num), VIRTCHNL_VFR_COMPLETED); wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_num), VIRTCHNL_VFR_COMPLETED);
vfrtrig = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num)); vfrtrig = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num));
vfrtrig &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; vfrtrig &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num), vfrtrig); wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_num), vfrtrig);
if (vf->vsi.seid != 0) if (vf->vsi.seid != 0)
ixl_disable_rings(&vf->vsi); ixl_disable_rings(pf, &vf->vsi, &vf->qtag);
ixl_vf_release_resources(pf, vf); ixl_vf_release_resources(pf, vf);
ixl_vf_setup_vsi(pf, vf); ixl_vf_setup_vsi(pf, vf);
ixl_vf_map_queues(pf, vf); ixl_vf_map_queues(pf, vf);
wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_num), VIRTCHNL_VFR_VFACTIVE); wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_num), VIRTCHNL_VFR_VFACTIVE);
ixl_flush(hw); ixl_flush(hw);
} }
▲ Show 20 Lines • Show All 219 Lines • ▼ Show 20 Linesixl_vf_config_rx_queue(struct ixl_pf *pf, struct ixl_vf *vf,
rxq.crcstrip = 1; rxq.crcstrip = 1;
rxq.l2tsel = 1; rxq.l2tsel = 1;
rxq.rxmax = info->max_pkt_size; rxq.rxmax = info->max_pkt_size;
rxq.tphrdesc_ena = 1; rxq.tphrdesc_ena = 1;
rxq.tphwdesc_ena = 1; rxq.tphwdesc_ena = 1;
rxq.tphdata_ena = 1; rxq.tphdata_ena = 1;
rxq.tphhead_ena = 1; rxq.tphhead_ena = 1;
rxq.lrxqthresh = 2; rxq.lrxqthresh = 1;
rxq.prefena = 1; rxq.prefena = 1;
status = i40e_set_lan_rx_queue_context(hw, global_queue_num, &rxq); status = i40e_set_lan_rx_queue_context(hw, global_queue_num, &rxq);
if (status != I40E_SUCCESS) if (status != I40E_SUCCESS)
return (EINVAL); return (EINVAL);
ixl_pf_qmgr_mark_queue_configured(&vf->qtag, info->queue_id, false); ixl_pf_qmgr_mark_queue_configured(&vf->qtag, info->queue_id, false);
▲ Show 20 Lines • Show All 337 Lines • ▼ Show 20 Lines if ((1 << i) & select->tx_queues) {
vf->vf_num, i); vf->vf_num, i);
break; break;
} }
/* Skip this queue if it hasn't been configured */ /* Skip this queue if it hasn't been configured */
if (!ixl_pf_qmgr_is_queue_configured(&vf->qtag, i, true)) if (!ixl_pf_qmgr_is_queue_configured(&vf->qtag, i, true))
continue; continue;
/* Warn if this queue is already marked as disabled */ /* Warn if this queue is already marked as disabled */
if (!ixl_pf_qmgr_is_queue_enabled(&vf->qtag, i, true)) { if (!ixl_pf_qmgr_is_queue_enabled(&vf->qtag, i, true)) {
device_printf(pf->dev, "VF %d: TX ring %d is already disabled!\n", ixl_dbg(pf, IXL_DBG_IOV, "VF %d: TX ring %d is already disabled!\n",
vf->vf_num, i); vf->vf_num, i);
continue; continue;
} }
error = ixl_disable_tx_ring(pf, &vf->qtag, i); error = ixl_disable_tx_ring(pf, &vf->qtag, i);
if (error) if (error)
break; break;
else else
ixl_pf_qmgr_mark_queue_disabled(&vf->qtag, i, true); ixl_pf_qmgr_mark_queue_disabled(&vf->qtag, i, true);
Show All 9 Lines if ((1 << i) & select->rx_queues) {
vf->vf_num, i); vf->vf_num, i);
break; break;
} }
/* Skip this queue if it hasn't been configured */ /* Skip this queue if it hasn't been configured */
if (!ixl_pf_qmgr_is_queue_configured(&vf->qtag, i, false)) if (!ixl_pf_qmgr_is_queue_configured(&vf->qtag, i, false))
continue; continue;
/* Warn if this queue is already marked as disabled */ /* Warn if this queue is already marked as disabled */
if (!ixl_pf_qmgr_is_queue_enabled(&vf->qtag, i, false)) { if (!ixl_pf_qmgr_is_queue_enabled(&vf->qtag, i, false)) {
device_printf(pf->dev, "VF %d: RX ring %d is already disabled!\n", ixl_dbg(pf, IXL_DBG_IOV, "VF %d: RX ring %d is already disabled!\n",
vf->vf_num, i); vf->vf_num, i);
continue; continue;
} }
error = ixl_disable_rx_ring(pf, &vf->qtag, i); error = ixl_disable_rx_ring(pf, &vf->qtag, i);
if (error) if (error)
break; break;
else else
ixl_pf_qmgr_mark_queue_disabled(&vf->qtag, i, false); ixl_pf_qmgr_mark_queue_disabled(&vf->qtag, i, false);
▲ Show 20 Lines • Show All 246 Lines • ▼ Show 20 Linesixl_vf_del_vlan_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg,
ixl_send_vf_ack(pf, vf, VIRTCHNL_OP_DEL_VLAN); ixl_send_vf_ack(pf, vf, VIRTCHNL_OP_DEL_VLAN);
} }
static void static void
ixl_vf_config_promisc_msg(struct ixl_pf *pf, struct ixl_vf *vf, ixl_vf_config_promisc_msg(struct ixl_pf *pf, struct ixl_vf *vf,
void *msg, uint16_t msg_size) void *msg, uint16_t msg_size)
{ {
struct virtchnl_promisc_info *info; struct virtchnl_promisc_info *info;
struct i40e_hw *hw = &pf->hw;
enum i40e_status_code code; enum i40e_status_code code;
if (msg_size != sizeof(*info)) { if (msg_size != sizeof(*info)) {
i40e_send_vf_nack(pf, vf, i40e_send_vf_nack(pf, vf,
VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_ERR_PARAM); VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_ERR_PARAM);
return; return;
} }
if (!(vf->vf_flags & VF_FLAG_PROMISC_CAP)) { if (!(vf->vf_flags & VF_FLAG_PROMISC_CAP)) {
/*
* Do the same thing as the Linux PF driver -- lie to the VF
*/
i40e_send_vf_nack(pf, vf, i40e_send_vf_nack(pf, vf,
VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_ERR_PARAM); VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_SUCCESS);
return; return;
} }
info = msg; info = msg;
if (info->vsi_id != vf->vsi.vsi_num) { if (info->vsi_id != vf->vsi.vsi_num) {
i40e_send_vf_nack(pf, vf, i40e_send_vf_nack(pf, vf,
VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_ERR_PARAM); VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_ERR_PARAM);
return; return;
} }
code = i40e_aq_set_vsi_unicast_promiscuous(&pf->hw, info->vsi_id, code = i40e_aq_set_vsi_unicast_promiscuous(hw, vf->vsi.seid,
info->flags & FLAG_VF_UNICAST_PROMISC, NULL, TRUE); info->flags & FLAG_VF_UNICAST_PROMISC, NULL, TRUE);
if (code != I40E_SUCCESS) { if (code != I40E_SUCCESS) {
device_printf(pf->dev, "i40e_aq_set_vsi_unicast_promiscuous (seid %d) failed: status %s,"
" error %s\n", vf->vsi.seid, i40e_stat_str(hw, code),
i40e_aq_str(hw, hw->aq.asq_last_status));
i40e_send_vf_nack(pf, vf, i40e_send_vf_nack(pf, vf,
VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, code); VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_ERR_PARAM);
return; return;
} }
code = i40e_aq_set_vsi_multicast_promiscuous(&pf->hw, info->vsi_id, code = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi.seid,
info->flags & FLAG_VF_MULTICAST_PROMISC, NULL); info->flags & FLAG_VF_MULTICAST_PROMISC, NULL);
if (code != I40E_SUCCESS) { if (code != I40E_SUCCESS) {
device_printf(pf->dev, "i40e_aq_set_vsi_multicast_promiscuous (seid %d) failed: status %s,"
" error %s\n", vf->vsi.seid, i40e_stat_str(hw, code),
i40e_aq_str(hw, hw->aq.asq_last_status));
i40e_send_vf_nack(pf, vf, i40e_send_vf_nack(pf, vf,
VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, code); VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_ERR_PARAM);
return; return;
} }
ixl_send_vf_ack(pf, vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE); ixl_send_vf_ack(pf, vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE);
} }
static void static void
ixl_vf_get_stats_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg, ixl_vf_get_stats_msg(struct ixl_pf *pf, struct ixl_vf *vf, void *msg,
▲ Show 20 Lines • Show All 285 Lines • ▼ Show 20 Linesixl_handle_vf_msg(struct ixl_pf *pf, struct i40e_arq_event_info *event)
default: default:
i40e_send_vf_nack(pf, vf, opcode, I40E_ERR_NOT_IMPLEMENTED); i40e_send_vf_nack(pf, vf, opcode, I40E_ERR_NOT_IMPLEMENTED);
break; break;
} }
} }
/* Handle any VFs that have reset themselves via a Function Level Reset(FLR). */ /* Handle any VFs that have reset themselves via a Function Level Reset(FLR). */
void void
ixl_handle_vflr(void *arg, int pending) ixl_handle_vflr(struct ixl_pf *pf)
{ {
struct ixl_pf *pf;
struct ixl_vf *vf; struct ixl_vf *vf;
struct i40e_hw *hw; struct i40e_hw *hw;
uint16_t global_vf_num; uint16_t global_vf_num;
uint32_t vflrstat_index, vflrstat_mask, vflrstat, icr0; uint32_t vflrstat_index, vflrstat_mask, vflrstat, icr0;
int i; int i;
pf = arg;
hw = &pf->hw; hw = &pf->hw;
/* TODO: May need to lock this */ ixl_dbg(pf, IXL_DBG_IOV, "%s: begin\n", __func__);
/* Re-enable VFLR interrupt cause so driver doesn't miss a
* reset interrupt for another VF */
icr0 = rd32(hw, I40E_PFINT_ICR0_ENA);
icr0 |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
wr32(hw, I40E_PFINT_ICR0_ENA, icr0);
ixl_flush(hw);
for (i = 0; i < pf->num_vfs; i++) { for (i = 0; i < pf->num_vfs; i++) {
global_vf_num = hw->func_caps.vf_base_id + i; global_vf_num = hw->func_caps.vf_base_id + i;
vf = &pf->vfs[i]; vf = &pf->vfs[i];
if (!(vf->vf_flags & VF_FLAG_ENABLED)) if (!(vf->vf_flags & VF_FLAG_ENABLED))
continue; continue;
vflrstat_index = IXL_GLGEN_VFLRSTAT_INDEX(global_vf_num); vflrstat_index = IXL_GLGEN_VFLRSTAT_INDEX(global_vf_num);
vflrstat_mask = IXL_GLGEN_VFLRSTAT_MASK(global_vf_num); vflrstat_mask = IXL_GLGEN_VFLRSTAT_MASK(global_vf_num);
vflrstat = rd32(hw, I40E_GLGEN_VFLRSTAT(vflrstat_index)); vflrstat = rd32(hw, I40E_GLGEN_VFLRSTAT(vflrstat_index));
if (vflrstat & vflrstat_mask) { if (vflrstat & vflrstat_mask) {
wr32(hw, I40E_GLGEN_VFLRSTAT(vflrstat_index), wr32(hw, I40E_GLGEN_VFLRSTAT(vflrstat_index),
vflrstat_mask); vflrstat_mask);
ixl_dbg(pf, IXL_DBG_IOV, "Reinitializing VF-%d\n", i);
ixl_reinit_vf(pf, vf); ixl_reinit_vf(pf, vf);
ixl_dbg(pf, IXL_DBG_IOV, "Reinitializing VF-%d done\n", i);
} }
} }
atomic_clear_32(&pf->state, IXL_PF_STATE_VF_RESET_REQ);
icr0 = rd32(hw, I40E_PFINT_ICR0_ENA);
icr0 |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
wr32(hw, I40E_PFINT_ICR0_ENA, icr0);
ixl_flush(hw);
// IXL_PF_UNLOCK()
} }
static int static int
ixl_adminq_err_to_errno(enum i40e_admin_queue_err err) ixl_adminq_err_to_errno(enum i40e_admin_queue_err err)
{ {
switch (err) { switch (err) {
case I40E_AQ_RC_EPERM: case I40E_AQ_RC_EPERM:
Show All 40 Lines case I40E_AQ_RC_EMODE:
return (EPERM); return (EPERM);
case I40E_AQ_RC_EFBIG: case I40E_AQ_RC_EFBIG:
return (EFBIG); return (EFBIG);
default: default:
return (EINVAL); return (EINVAL);
} }
} }
static int
ixl_config_pf_vsi_loopback(struct ixl_pf *pf, bool enable)
{
struct i40e_hw *hw = &pf->hw;
device_t dev = pf->dev;
struct ixl_vsi *vsi = &pf->vsi;
struct i40e_vsi_context ctxt;
int error;
memset(&ctxt, 0, sizeof(ctxt));
ctxt.seid = vsi->seid;
if (pf->veb_seid != 0)
ctxt.uplink_seid = pf->veb_seid;
ctxt.pf_num = hw->pf_id;
ctxt.connection_type = IXL_VSI_DATA_PORT;
ctxt.info.valid_sections = htole16(I40E_AQ_VSI_PROP_SWITCH_VALID);
ctxt.info.switch_id = (enable) ?
htole16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB) : 0;
/* error is set to 0 on success */
error = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
if (error) {
device_printf(dev, "i40e_aq_update_vsi_params() failed, error %d,"
" aq_error %d\n", error, hw->aq.asq_last_status);
}
return (error);
}
int int
ixl_iov_init(device_t dev, uint16_t num_vfs, const nvlist_t *params) ixl_if_iov_init(if_ctx_t ctx, uint16_t num_vfs, const nvlist_t *params)
{ {
struct ixl_pf *pf; struct ixl_pf *pf = iflib_get_softc(ctx);
device_t dev = iflib_get_dev(ctx);
struct i40e_hw *hw; struct i40e_hw *hw;
struct ixl_vsi *pf_vsi; struct ixl_vsi *pf_vsi;
enum i40e_status_code ret; enum i40e_status_code ret;
int i, error; int i, error;
pf = device_get_softc(dev);
hw = &pf->hw; hw = &pf->hw;
pf_vsi = &pf->vsi; pf_vsi = &pf->vsi;
//IXL_PF_LOCK(pf);
pf->vfs = malloc(sizeof(struct ixl_vf) * num_vfs, M_IXL, M_NOWAIT | pf->vfs = malloc(sizeof(struct ixl_vf) * num_vfs, M_IXL, M_NOWAIT |
M_ZERO); M_ZERO);
if (pf->vfs == NULL) { if (pf->vfs == NULL) {
error = ENOMEM; error = ENOMEM;
goto fail; goto fail;
} }
for (i = 0; i < num_vfs; i++) for (i = 0; i < num_vfs; i++)
sysctl_ctx_init(&pf->vfs[i].ctx); sysctl_ctx_init(&pf->vfs[i].ctx);
/*
* Add the VEB and ...
* - do nothing: VEPA mode
* - enable loopback mode on connected VSIs: VEB mode
*/
ret = i40e_aq_add_veb(hw, pf_vsi->uplink_seid, pf_vsi->seid, ret = i40e_aq_add_veb(hw, pf_vsi->uplink_seid, pf_vsi->seid,
1, FALSE, &pf->veb_seid, FALSE, NULL); 1, FALSE, &pf->veb_seid, FALSE, NULL);
if (ret != I40E_SUCCESS) { if (ret != I40E_SUCCESS) {
error = ixl_adminq_err_to_errno(hw->aq.asq_last_status); error = hw->aq.asq_last_status;
device_printf(dev, "add_veb failed; code=%d error=%d", ret, device_printf(dev, "i40e_aq_add_veb failed; status %s error %s",
error); i40e_stat_str(hw, ret), i40e_aq_str(hw, error));
goto fail; goto fail;
} }
if (pf->enable_vf_loopback)
ixl_config_pf_vsi_loopback(pf, true);
pf->num_vfs = num_vfs; pf->num_vfs = num_vfs;
//IXL_PF_UNLOCK(pf);
return (0); return (0);
fail: fail:
free(pf->vfs, M_IXL); free(pf->vfs, M_IXL);
pf->vfs = NULL; pf->vfs = NULL;
//IXL_PF_UNLOCK(pf);
return (error); return (error);
} }
void void
ixl_iov_uninit(device_t dev) ixl_if_iov_uninit(if_ctx_t ctx)
{ {
struct ixl_pf *pf; struct ixl_pf *pf = iflib_get_softc(ctx);
struct i40e_hw *hw; struct i40e_hw *hw;
struct ixl_vsi *vsi; struct ixl_vsi *vsi;
struct ifnet *ifp; struct ifnet *ifp;
struct ixl_vf *vfs; struct ixl_vf *vfs;
int i, num_vfs; int i, num_vfs;
pf = device_get_softc(dev);
hw = &pf->hw; hw = &pf->hw;
vsi = &pf->vsi; vsi = &pf->vsi;
ifp = vsi->ifp; ifp = vsi->ifp;
//IXL_PF_LOCK(pf);
for (i = 0; i < pf->num_vfs; i++) { for (i = 0; i < pf->num_vfs; i++) {
if (pf->vfs[i].vsi.seid != 0) if (pf->vfs[i].vsi.seid != 0)
i40e_aq_delete_element(hw, pf->vfs[i].vsi.seid, NULL); i40e_aq_delete_element(hw, pf->vfs[i].vsi.seid, NULL);
ixl_pf_qmgr_release(&pf->qmgr, &pf->vfs[i].qtag); ixl_pf_qmgr_release(&pf->qmgr, &pf->vfs[i].qtag);
ixl_free_mac_filters(&pf->vfs[i].vsi); ixl_free_mac_filters(&pf->vfs[i].vsi);
DDPRINTF(dev, "VF %d: %d released\n", ixl_dbg(pf, IXL_DBG_IOV, "VF %d: %d released\n",
i, pf->vfs[i].qtag.num_allocated); i, pf->vfs[i].qtag.num_allocated);
DDPRINTF(dev, "Unallocated total: %d\n", ixl_pf_qmgr_get_num_free(&pf->qmgr)); ixl_dbg(pf, IXL_DBG_IOV, "Unallocated total: %d\n", ixl_pf_qmgr_get_num_free(&pf->qmgr));
} }
if (pf->veb_seid != 0) { if (pf->veb_seid != 0) {
i40e_aq_delete_element(hw, pf->veb_seid, NULL); i40e_aq_delete_element(hw, pf->veb_seid, NULL);
pf->veb_seid = 0; pf->veb_seid = 0;
} }
/* Reset PF VSI loopback mode */
if (pf->enable_vf_loopback)
ixl_config_pf_vsi_loopback(pf, false);
vfs = pf->vfs; vfs = pf->vfs;
num_vfs = pf->num_vfs; num_vfs = pf->num_vfs;
pf->vfs = NULL; pf->vfs = NULL;
pf->num_vfs = 0; pf->num_vfs = 0;
//IXL_PF_UNLOCK(pf);
/* Do this after the unlock as sysctl_ctx_free might sleep. */ /* sysctl_ctx_free might sleep, but this func is called w/ an sx lock */
for (i = 0; i < num_vfs; i++) for (i = 0; i < num_vfs; i++)
sysctl_ctx_free(&vfs[i].ctx); sysctl_ctx_free(&vfs[i].ctx);
free(vfs, M_IXL); free(vfs, M_IXL);
} }
static int static int
ixl_vf_reserve_queues(struct ixl_pf *pf, struct ixl_vf *vf, int num_queues) ixl_vf_reserve_queues(struct ixl_pf *pf, struct ixl_vf *vf, int num_queues)
{ {
device_t dev = pf->dev; device_t dev = pf->dev;
int error; int error;
/* Validate, and clamp value if invalid */ /* Validate, and clamp value if invalid */
if (num_queues < 1 || num_queues > 16) if (num_queues < 1 || num_queues > 16)
device_printf(dev, "Invalid num-queues (%d) for VF %d\n", device_printf(dev, "Invalid num-queues (%d) for VF %d\n",
num_queues, vf->vf_num); num_queues, vf->vf_num);
if (num_queues < 1) { if (num_queues < 1) {
device_printf(dev, "Setting VF %d num-queues to 1\n", vf->vf_num); device_printf(dev, "Setting VF %d num-queues to 1\n", vf->vf_num);
num_queues = 1; num_queues = 1;
} else if (num_queues > 16) { } else if (num_queues > IXLV_MAX_QUEUES) {
device_printf(dev, "Setting VF %d num-queues to 16\n", vf->vf_num); device_printf(dev, "Setting VF %d num-queues to %d\n", vf->vf_num, IXLV_MAX_QUEUES);
num_queues = 16; num_queues = IXLV_MAX_QUEUES;
} }
error = ixl_pf_qmgr_alloc_scattered(&pf->qmgr, num_queues, &vf->qtag); error = ixl_pf_qmgr_alloc_scattered(&pf->qmgr, num_queues, &vf->qtag);
if (error) { if (error) {
device_printf(dev, "Error allocating %d queues for VF %d's VSI\n", device_printf(dev, "Error allocating %d queues for VF %d's VSI\n",
num_queues, vf->vf_num); num_queues, vf->vf_num);
return (ENOSPC); return (ENOSPC);
} }
DDPRINTF(dev, "VF %d: %d allocated, %d active", ixl_dbg(pf, IXL_DBG_IOV, "VF %d: %d allocated, %d active\n",
vf->vf_num, vf->qtag.num_allocated, vf->qtag.num_active); vf->vf_num, vf->qtag.num_allocated, vf->qtag.num_active);
DDPRINTF(dev, "Unallocated total: %d", ixl_pf_qmgr_get_num_free(&pf->qmgr)); ixl_dbg(pf, IXL_DBG_IOV, "Unallocated total: %d\n", ixl_pf_qmgr_get_num_free(&pf->qmgr));
return (0); return (0);
} }
int int
ixl_add_vf(device_t dev, uint16_t vfnum, const nvlist_t *params) ixl_if_iov_vf_add(if_ctx_t ctx, uint16_t vfnum, const nvlist_t *params)
{ {
struct ixl_pf *pf = iflib_get_softc(ctx);
device_t dev = pf->dev;
char sysctl_name[QUEUE_NAME_LEN]; char sysctl_name[QUEUE_NAME_LEN];
struct ixl_pf *pf;
struct ixl_vf *vf; struct ixl_vf *vf;
const void *mac; const void *mac;
size_t size; size_t size;
int error; int error;
int vf_num_queues; int vf_num_queues;
pf = device_get_softc(dev);
vf = &pf->vfs[vfnum]; vf = &pf->vfs[vfnum];
//IXL_PF_LOCK(pf);
vf->vf_num = vfnum; vf->vf_num = vfnum;
vf->vsi.back = pf; vf->vsi.back = pf;
vf->vf_flags = VF_FLAG_ENABLED; vf->vf_flags = VF_FLAG_ENABLED;
SLIST_INIT(&vf->vsi.ftl); SLIST_INIT(&vf->vsi.ftl);
/* Reserve queue allocation from PF */ /* Reserve queue allocation from PF */
vf_num_queues = nvlist_get_number(params, "num-queues"); vf_num_queues = nvlist_get_number(params, "num-queues");
error = ixl_vf_reserve_queues(pf, vf, vf_num_queues); error = ixl_vf_reserve_queues(pf, vf, vf_num_queues);
if (error != 0) if (error != 0)
Show All 19 Linesixl_if_iov_vf_add(if_ctx_t ctx, uint16_t vfnum, const nvlist_t *params)
if (nvlist_get_bool(params, "mac-anti-spoof")) if (nvlist_get_bool(params, "mac-anti-spoof"))
vf->vf_flags |= VF_FLAG_MAC_ANTI_SPOOF; vf->vf_flags |= VF_FLAG_MAC_ANTI_SPOOF;
if (nvlist_get_bool(params, "allow-promisc")) if (nvlist_get_bool(params, "allow-promisc"))
vf->vf_flags |= VF_FLAG_PROMISC_CAP; vf->vf_flags |= VF_FLAG_PROMISC_CAP;
vf->vf_flags |= VF_FLAG_VLAN_CAP; vf->vf_flags |= VF_FLAG_VLAN_CAP;
/* VF needs to be reset before it can be used */
ixl_reset_vf(pf, vf); ixl_reset_vf(pf, vf);
out: out:
//IXL_PF_UNLOCK(pf);
if (error == 0) { if (error == 0) {
snprintf(sysctl_name, sizeof(sysctl_name), "vf%d", vfnum); snprintf(sysctl_name, sizeof(sysctl_name), "vf%d", vfnum);
ixl_add_vsi_sysctls(pf, &vf->vsi, &vf->ctx, sysctl_name); ixl_add_vsi_sysctls(dev, &vf->vsi, &vf->ctx, sysctl_name);
} }
return (error); return (error);
} }