diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 1614 |
1 files changed, 1090 insertions, 524 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index b901371ca36..275ca9a1719 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -26,6 +26,7 @@ /* Local includes */ #include "i40e.h" +#include "i40e_diag.h" #ifdef CONFIG_I40E_VXLAN #include <net/vxlan.h> #endif @@ -37,8 +38,8 @@ static const char i40e_driver_string[] = #define DRV_KERN "-k" #define DRV_VERSION_MAJOR 0 -#define DRV_VERSION_MINOR 3 -#define DRV_VERSION_BUILD 30 +#define DRV_VERSION_MINOR 4 +#define DRV_VERSION_BUILD 10 #define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \ __stringify(DRV_VERSION_MINOR) "." \ __stringify(DRV_VERSION_BUILD) DRV_KERN @@ -66,12 +67,10 @@ static int i40e_veb_get_bw_info(struct i40e_veb *veb); */ static DEFINE_PCI_DEVICE_TABLE(i40e_pci_tbl) = { {PCI_VDEVICE(INTEL, I40E_DEV_ID_SFP_XL710), 0}, - {PCI_VDEVICE(INTEL, I40E_DEV_ID_SFP_X710), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_QEMU), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_A), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_B), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_C), 0}, - {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_D), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_QSFP_A), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_QSFP_B), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_QSFP_C), 0}, @@ -305,6 +304,7 @@ static void i40e_tx_timeout(struct net_device *netdev) break; default: netdev_err(netdev, "tx_timeout recovery unsuccessful\n"); + set_bit(__I40E_DOWN, &vsi->state); i40e_down(vsi); break; } @@ -354,6 +354,7 @@ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( struct rtnl_link_stats64 *stats) { struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_ring *tx_ring, *rx_ring; struct i40e_vsi *vsi = np->vsi; struct rtnl_link_stats64 *vsi_stats = i40e_get_vsi_stats_struct(vsi); int i; @@ -366,7 +367,6 @@ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( rcu_read_lock(); for (i = 0; i < vsi->num_queue_pairs; i++) { - struct i40e_ring *tx_ring, *rx_ring; u64 bytes, packets; unsigned int start; @@ -375,27 +375,27 @@ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( continue; do { - start = u64_stats_fetch_begin_bh(&tx_ring->syncp); + start = u64_stats_fetch_begin_irq(&tx_ring->syncp); packets = tx_ring->stats.packets; bytes = tx_ring->stats.bytes; - } while (u64_stats_fetch_retry_bh(&tx_ring->syncp, start)); + } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); stats->tx_packets += packets; stats->tx_bytes += bytes; rx_ring = &tx_ring[1]; do { - start = u64_stats_fetch_begin_bh(&rx_ring->syncp); + start = u64_stats_fetch_begin_irq(&rx_ring->syncp); packets = rx_ring->stats.packets; bytes = rx_ring->stats.bytes; - } while (u64_stats_fetch_retry_bh(&rx_ring->syncp, start)); + } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); stats->rx_packets += packets; stats->rx_bytes += bytes; } rcu_read_unlock(); - /* following stats updated by ixgbe_watchdog_task() */ + /* following stats updated by i40e_watchdog_subtask() */ stats->multicast = vsi_stats->multicast; stats->tx_errors = vsi_stats->tx_errors; stats->tx_dropped = vsi_stats->tx_dropped; @@ -528,6 +528,12 @@ void i40e_update_eth_stats(struct i40e_vsi *vsi) i40e_stat_update32(hw, I40E_GLV_RDPC(stat_idx), vsi->stat_offsets_loaded, &oes->rx_discards, &es->rx_discards); + i40e_stat_update32(hw, I40E_GLV_RUPP(stat_idx), + vsi->stat_offsets_loaded, + &oes->rx_unknown_protocol, &es->rx_unknown_protocol); + i40e_stat_update32(hw, I40E_GLV_TEPC(stat_idx), + vsi->stat_offsets_loaded, + &oes->tx_errors, &es->tx_errors); i40e_stat_update48(hw, I40E_GLV_GORCH(stat_idx), I40E_GLV_GORCL(stat_idx), @@ -646,10 +652,10 @@ static void i40e_update_link_xoff_rx(struct i40e_pf *pf) return; /* Clear the __I40E_HANG_CHECK_ARMED bit for all Tx rings */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; - if (!vsi) + if (!vsi || !vsi->tx_rings[0]) continue; for (i = 0; i < vsi->num_queue_pairs; i++) { @@ -700,10 +706,10 @@ static void i40e_update_prio_xoff_rx(struct i40e_pf *pf) } /* Clear the __I40E_HANG_CHECK_ARMED bit for Tx rings */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; - if (!vsi) + if (!vsi || !vsi->tx_rings[0]) continue; for (i = 0; i < vsi->num_queue_pairs; i++) { @@ -718,19 +724,18 @@ static void i40e_update_prio_xoff_rx(struct i40e_pf *pf) } /** - * i40e_update_stats - Update the board statistics counters. + * i40e_update_vsi_stats - Update the vsi statistics counters. * @vsi: the VSI to be updated * * There are a few instances where we store the same stat in a * couple of different structs. This is partly because we have * the netdev stats that need to be filled out, which is slightly * different from the "eth_stats" defined by the chip and used in - * VF communications. We sort it all out here in a central place. + * VF communications. We sort it out here. **/ -void i40e_update_stats(struct i40e_vsi *vsi) +static void i40e_update_vsi_stats(struct i40e_vsi *vsi) { struct i40e_pf *pf = vsi->back; - struct i40e_hw *hw = &pf->hw; struct rtnl_link_stats64 *ons; struct rtnl_link_stats64 *ns; /* netdev stats */ struct i40e_eth_stats *oes; @@ -739,7 +744,6 @@ void i40e_update_stats(struct i40e_vsi *vsi) u32 rx_page, rx_buf; u64 rx_p, rx_b; u64 tx_p, tx_b; - int i; u16 q; if (test_bit(__I40E_DOWN, &vsi->state) || @@ -769,10 +773,10 @@ void i40e_update_stats(struct i40e_vsi *vsi) p = ACCESS_ONCE(vsi->tx_rings[q]); do { - start = u64_stats_fetch_begin_bh(&p->syncp); + start = u64_stats_fetch_begin_irq(&p->syncp); packets = p->stats.packets; bytes = p->stats.bytes; - } while (u64_stats_fetch_retry_bh(&p->syncp, start)); + } while (u64_stats_fetch_retry_irq(&p->syncp, start)); tx_b += bytes; tx_p += packets; tx_restart += p->tx_stats.restart_queue; @@ -781,10 +785,10 @@ void i40e_update_stats(struct i40e_vsi *vsi) /* Rx queue is part of the same block as Tx queue */ p = &p[1]; do { - start = u64_stats_fetch_begin_bh(&p->syncp); + start = u64_stats_fetch_begin_irq(&p->syncp); packets = p->stats.packets; bytes = p->stats.bytes; - } while (u64_stats_fetch_retry_bh(&p->syncp, start)); + } while (u64_stats_fetch_retry_irq(&p->syncp, start)); rx_b += bytes; rx_p += packets; rx_buf += p->rx_stats.alloc_buff_failed; @@ -801,182 +805,256 @@ void i40e_update_stats(struct i40e_vsi *vsi) ns->tx_packets = tx_p; ns->tx_bytes = tx_b; - i40e_update_eth_stats(vsi); /* update netdev stats from eth stats */ - ons->rx_errors = oes->rx_errors; - ns->rx_errors = es->rx_errors; + i40e_update_eth_stats(vsi); ons->tx_errors = oes->tx_errors; ns->tx_errors = es->tx_errors; ons->multicast = oes->rx_multicast; ns->multicast = es->rx_multicast; + ons->rx_dropped = oes->rx_discards; + ns->rx_dropped = es->rx_discards; ons->tx_dropped = oes->tx_discards; ns->tx_dropped = es->tx_discards; - /* Get the port data only if this is the main PF VSI */ + /* pull in a couple PF stats if this is the main vsi */ if (vsi == pf->vsi[pf->lan_vsi]) { - struct i40e_hw_port_stats *nsd = &pf->stats; - struct i40e_hw_port_stats *osd = &pf->stats_offsets; + ns->rx_crc_errors = pf->stats.crc_errors; + ns->rx_errors = pf->stats.crc_errors + pf->stats.illegal_bytes; + ns->rx_length_errors = pf->stats.rx_length_errors; + } +} - i40e_stat_update48(hw, I40E_GLPRT_GORCH(hw->port), - I40E_GLPRT_GORCL(hw->port), - pf->stat_offsets_loaded, - &osd->eth.rx_bytes, &nsd->eth.rx_bytes); - i40e_stat_update48(hw, I40E_GLPRT_GOTCH(hw->port), - I40E_GLPRT_GOTCL(hw->port), - pf->stat_offsets_loaded, - &osd->eth.tx_bytes, &nsd->eth.tx_bytes); - i40e_stat_update32(hw, I40E_GLPRT_RDPC(hw->port), - pf->stat_offsets_loaded, - &osd->eth.rx_discards, - &nsd->eth.rx_discards); - i40e_stat_update32(hw, I40E_GLPRT_TDPC(hw->port), - pf->stat_offsets_loaded, - &osd->eth.tx_discards, - &nsd->eth.tx_discards); - i40e_stat_update48(hw, I40E_GLPRT_MPRCH(hw->port), - I40E_GLPRT_MPRCL(hw->port), - pf->stat_offsets_loaded, - &osd->eth.rx_multicast, - &nsd->eth.rx_multicast); +/** + * i40e_update_pf_stats - Update the pf statistics counters. + * @pf: the PF to be updated + **/ +static void i40e_update_pf_stats(struct i40e_pf *pf) +{ + struct i40e_hw_port_stats *osd = &pf->stats_offsets; + struct i40e_hw_port_stats *nsd = &pf->stats; + struct i40e_hw *hw = &pf->hw; + u32 val; + int i; - i40e_stat_update32(hw, I40E_GLPRT_TDOLD(hw->port), - pf->stat_offsets_loaded, - &osd->tx_dropped_link_down, - &nsd->tx_dropped_link_down); + i40e_stat_update48(hw, I40E_GLPRT_GORCH(hw->port), + I40E_GLPRT_GORCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_bytes, &nsd->eth.rx_bytes); + i40e_stat_update48(hw, I40E_GLPRT_GOTCH(hw->port), + I40E_GLPRT_GOTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_bytes, &nsd->eth.tx_bytes); + i40e_stat_update32(hw, I40E_GLPRT_RDPC(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_discards, + &nsd->eth.rx_discards); + i40e_stat_update32(hw, I40E_GLPRT_TDPC(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_discards, + &nsd->eth.tx_discards); - i40e_stat_update32(hw, I40E_GLPRT_CRCERRS(hw->port), - pf->stat_offsets_loaded, - &osd->crc_errors, &nsd->crc_errors); - ns->rx_crc_errors = nsd->crc_errors; + i40e_stat_update48(hw, I40E_GLPRT_UPRCH(hw->port), + I40E_GLPRT_UPRCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_unicast, + &nsd->eth.rx_unicast); + i40e_stat_update48(hw, I40E_GLPRT_MPRCH(hw->port), + I40E_GLPRT_MPRCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_multicast, + &nsd->eth.rx_multicast); + i40e_stat_update48(hw, I40E_GLPRT_BPRCH(hw->port), + I40E_GLPRT_BPRCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.rx_broadcast, + &nsd->eth.rx_broadcast); + i40e_stat_update48(hw, I40E_GLPRT_UPTCH(hw->port), + I40E_GLPRT_UPTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_unicast, + &nsd->eth.tx_unicast); + i40e_stat_update48(hw, I40E_GLPRT_MPTCH(hw->port), + I40E_GLPRT_MPTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_multicast, + &nsd->eth.tx_multicast); + i40e_stat_update48(hw, I40E_GLPRT_BPTCH(hw->port), + I40E_GLPRT_BPTCL(hw->port), + pf->stat_offsets_loaded, + &osd->eth.tx_broadcast, + &nsd->eth.tx_broadcast); - i40e_stat_update32(hw, I40E_GLPRT_ILLERRC(hw->port), - pf->stat_offsets_loaded, - &osd->illegal_bytes, &nsd->illegal_bytes); - ns->rx_errors = nsd->crc_errors - + nsd->illegal_bytes; + i40e_stat_update32(hw, I40E_GLPRT_TDOLD(hw->port), + pf->stat_offsets_loaded, + &osd->tx_dropped_link_down, + &nsd->tx_dropped_link_down); - i40e_stat_update32(hw, I40E_GLPRT_MLFC(hw->port), - pf->stat_offsets_loaded, - &osd->mac_local_faults, - &nsd->mac_local_faults); - i40e_stat_update32(hw, I40E_GLPRT_MRFC(hw->port), - pf->stat_offsets_loaded, - &osd->mac_remote_faults, - &nsd->mac_remote_faults); + i40e_stat_update32(hw, I40E_GLPRT_CRCERRS(hw->port), + pf->stat_offsets_loaded, + &osd->crc_errors, &nsd->crc_errors); - i40e_stat_update32(hw, I40E_GLPRT_RLEC(hw->port), - pf->stat_offsets_loaded, - &osd->rx_length_errors, - &nsd->rx_length_errors); - ns->rx_length_errors = nsd->rx_length_errors; + i40e_stat_update32(hw, I40E_GLPRT_ILLERRC(hw->port), + pf->stat_offsets_loaded, + &osd->illegal_bytes, &nsd->illegal_bytes); - i40e_stat_update32(hw, I40E_GLPRT_LXONRXC(hw->port), - pf->stat_offsets_loaded, - &osd->link_xon_rx, &nsd->link_xon_rx); - i40e_stat_update32(hw, I40E_GLPRT_LXONTXC(hw->port), - pf->stat_offsets_loaded, - &osd->link_xon_tx, &nsd->link_xon_tx); - i40e_update_prio_xoff_rx(pf); /* handles I40E_GLPRT_LXOFFRXC */ - i40e_stat_update32(hw, I40E_GLPRT_LXOFFTXC(hw->port), - pf->stat_offsets_loaded, - &osd->link_xoff_tx, &nsd->link_xoff_tx); - - for (i = 0; i < 8; i++) { - i40e_stat_update32(hw, I40E_GLPRT_PXONRXC(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xon_rx[i], - &nsd->priority_xon_rx[i]); - i40e_stat_update32(hw, I40E_GLPRT_PXONTXC(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xon_tx[i], - &nsd->priority_xon_tx[i]); - i40e_stat_update32(hw, I40E_GLPRT_PXOFFTXC(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xoff_tx[i], - &nsd->priority_xoff_tx[i]); - i40e_stat_update32(hw, - I40E_GLPRT_RXON2OFFCNT(hw->port, i), - pf->stat_offsets_loaded, - &osd->priority_xon_2_xoff[i], - &nsd->priority_xon_2_xoff[i]); - } + i40e_stat_update32(hw, I40E_GLPRT_MLFC(hw->port), + pf->stat_offsets_loaded, + &osd->mac_local_faults, + &nsd->mac_local_faults); + i40e_stat_update32(hw, I40E_GLPRT_MRFC(hw->port), + pf->stat_offsets_loaded, + &osd->mac_remote_faults, + &nsd->mac_remote_faults); - i40e_stat_update48(hw, I40E_GLPRT_PRC64H(hw->port), - I40E_GLPRT_PRC64L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_64, &nsd->rx_size_64); - i40e_stat_update48(hw, I40E_GLPRT_PRC127H(hw->port), - I40E_GLPRT_PRC127L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_127, &nsd->rx_size_127); - i40e_stat_update48(hw, I40E_GLPRT_PRC255H(hw->port), - I40E_GLPRT_PRC255L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_255, &nsd->rx_size_255); - i40e_stat_update48(hw, I40E_GLPRT_PRC511H(hw->port), - I40E_GLPRT_PRC511L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_511, &nsd->rx_size_511); - i40e_stat_update48(hw, I40E_GLPRT_PRC1023H(hw->port), - I40E_GLPRT_PRC1023L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_1023, &nsd->rx_size_1023); - i40e_stat_update48(hw, I40E_GLPRT_PRC1522H(hw->port), - I40E_GLPRT_PRC1522L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_1522, &nsd->rx_size_1522); - i40e_stat_update48(hw, I40E_GLPRT_PRC9522H(hw->port), - I40E_GLPRT_PRC9522L(hw->port), - pf->stat_offsets_loaded, - &osd->rx_size_big, &nsd->rx_size_big); + i40e_stat_update32(hw, I40E_GLPRT_RLEC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_length_errors, + &nsd->rx_length_errors); - i40e_stat_update48(hw, I40E_GLPRT_PTC64H(hw->port), - I40E_GLPRT_PTC64L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_64, &nsd->tx_size_64); - i40e_stat_update48(hw, I40E_GLPRT_PTC127H(hw->port), - I40E_GLPRT_PTC127L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_127, &nsd->tx_size_127); - i40e_stat_update48(hw, I40E_GLPRT_PTC255H(hw->port), - I40E_GLPRT_PTC255L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_255, &nsd->tx_size_255); - i40e_stat_update48(hw, I40E_GLPRT_PTC511H(hw->port), - I40E_GLPRT_PTC511L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_511, &nsd->tx_size_511); - i40e_stat_update48(hw, I40E_GLPRT_PTC1023H(hw->port), - I40E_GLPRT_PTC1023L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_1023, &nsd->tx_size_1023); - i40e_stat_update48(hw, I40E_GLPRT_PTC1522H(hw->port), - I40E_GLPRT_PTC1522L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_1522, &nsd->tx_size_1522); - i40e_stat_update48(hw, I40E_GLPRT_PTC9522H(hw->port), - I40E_GLPRT_PTC9522L(hw->port), - pf->stat_offsets_loaded, - &osd->tx_size_big, &nsd->tx_size_big); + i40e_stat_update32(hw, I40E_GLPRT_LXONRXC(hw->port), + pf->stat_offsets_loaded, + &osd->link_xon_rx, &nsd->link_xon_rx); + i40e_stat_update32(hw, I40E_GLPRT_LXONTXC(hw->port), + pf->stat_offsets_loaded, + &osd->link_xon_tx, &nsd->link_xon_tx); + i40e_update_prio_xoff_rx(pf); /* handles I40E_GLPRT_LXOFFRXC */ + i40e_stat_update32(hw, I40E_GLPRT_LXOFFTXC(hw->port), + pf->stat_offsets_loaded, + &osd->link_xoff_tx, &nsd->link_xoff_tx); - i40e_stat_update32(hw, I40E_GLPRT_RUC(hw->port), + for (i = 0; i < 8; i++) { + i40e_stat_update32(hw, I40E_GLPRT_PXONRXC(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_undersize, &nsd->rx_undersize); - i40e_stat_update32(hw, I40E_GLPRT_RFC(hw->port), + &osd->priority_xon_rx[i], + &nsd->priority_xon_rx[i]); + i40e_stat_update32(hw, I40E_GLPRT_PXONTXC(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_fragments, &nsd->rx_fragments); - i40e_stat_update32(hw, I40E_GLPRT_ROC(hw->port), + &osd->priority_xon_tx[i], + &nsd->priority_xon_tx[i]); + i40e_stat_update32(hw, I40E_GLPRT_PXOFFTXC(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_oversize, &nsd->rx_oversize); - i40e_stat_update32(hw, I40E_GLPRT_RJC(hw->port), + &osd->priority_xoff_tx[i], + &nsd->priority_xoff_tx[i]); + i40e_stat_update32(hw, + I40E_GLPRT_RXON2OFFCNT(hw->port, i), pf->stat_offsets_loaded, - &osd->rx_jabber, &nsd->rx_jabber); + &osd->priority_xon_2_xoff[i], + &nsd->priority_xon_2_xoff[i]); } + i40e_stat_update48(hw, I40E_GLPRT_PRC64H(hw->port), + I40E_GLPRT_PRC64L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_64, &nsd->rx_size_64); + i40e_stat_update48(hw, I40E_GLPRT_PRC127H(hw->port), + I40E_GLPRT_PRC127L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_127, &nsd->rx_size_127); + i40e_stat_update48(hw, I40E_GLPRT_PRC255H(hw->port), + I40E_GLPRT_PRC255L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_255, &nsd->rx_size_255); + i40e_stat_update48(hw, I40E_GLPRT_PRC511H(hw->port), + I40E_GLPRT_PRC511L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_511, &nsd->rx_size_511); + i40e_stat_update48(hw, I40E_GLPRT_PRC1023H(hw->port), + I40E_GLPRT_PRC1023L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_1023, &nsd->rx_size_1023); + i40e_stat_update48(hw, I40E_GLPRT_PRC1522H(hw->port), + I40E_GLPRT_PRC1522L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_1522, &nsd->rx_size_1522); + i40e_stat_update48(hw, I40E_GLPRT_PRC9522H(hw->port), + I40E_GLPRT_PRC9522L(hw->port), + pf->stat_offsets_loaded, + &osd->rx_size_big, &nsd->rx_size_big); + + i40e_stat_update48(hw, I40E_GLPRT_PTC64H(hw->port), + I40E_GLPRT_PTC64L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_64, &nsd->tx_size_64); + i40e_stat_update48(hw, I40E_GLPRT_PTC127H(hw->port), + I40E_GLPRT_PTC127L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_127, &nsd->tx_size_127); + i40e_stat_update48(hw, I40E_GLPRT_PTC255H(hw->port), + I40E_GLPRT_PTC255L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_255, &nsd->tx_size_255); + i40e_stat_update48(hw, I40E_GLPRT_PTC511H(hw->port), + I40E_GLPRT_PTC511L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_511, &nsd->tx_size_511); + i40e_stat_update48(hw, I40E_GLPRT_PTC1023H(hw->port), + I40E_GLPRT_PTC1023L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_1023, &nsd->tx_size_1023); + i40e_stat_update48(hw, I40E_GLPRT_PTC1522H(hw->port), + I40E_GLPRT_PTC1522L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_1522, &nsd->tx_size_1522); + i40e_stat_update48(hw, I40E_GLPRT_PTC9522H(hw->port), + I40E_GLPRT_PTC9522L(hw->port), + pf->stat_offsets_loaded, + &osd->tx_size_big, &nsd->tx_size_big); + + i40e_stat_update32(hw, I40E_GLPRT_RUC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_undersize, &nsd->rx_undersize); + i40e_stat_update32(hw, I40E_GLPRT_RFC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_fragments, &nsd->rx_fragments); + i40e_stat_update32(hw, I40E_GLPRT_ROC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_oversize, &nsd->rx_oversize); + i40e_stat_update32(hw, I40E_GLPRT_RJC(hw->port), + pf->stat_offsets_loaded, + &osd->rx_jabber, &nsd->rx_jabber); + + /* FDIR stats */ + i40e_stat_update32(hw, I40E_GLQF_PCNT(pf->fd_atr_cnt_idx), + pf->stat_offsets_loaded, + &osd->fd_atr_match, &nsd->fd_atr_match); + i40e_stat_update32(hw, I40E_GLQF_PCNT(pf->fd_sb_cnt_idx), + pf->stat_offsets_loaded, + &osd->fd_sb_match, &nsd->fd_sb_match); + + val = rd32(hw, I40E_PRTPM_EEE_STAT); + nsd->tx_lpi_status = + (val & I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_MASK) >> + I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_SHIFT; + nsd->rx_lpi_status = + (val & I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_MASK) >> + I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_SHIFT; + i40e_stat_update32(hw, I40E_PRTPM_TLPIC, + pf->stat_offsets_loaded, + &osd->tx_lpi_count, &nsd->tx_lpi_count); + i40e_stat_update32(hw, I40E_PRTPM_RLPIC, + pf->stat_offsets_loaded, + &osd->rx_lpi_count, &nsd->rx_lpi_count); + pf->stat_offsets_loaded = true; } /** + * i40e_update_stats - Update the various statistics counters. + * @vsi: the VSI to be updated + * + * Update the various stats for this VSI and its related entities. + **/ +void i40e_update_stats(struct i40e_vsi *vsi) +{ + struct i40e_pf *pf = vsi->back; + + if (vsi == pf->vsi[pf->lan_vsi]) + i40e_update_pf_stats(pf); + + i40e_update_vsi_stats(vsi); +} + +/** * i40e_find_filter - Search VSI filter list for specific mac/vlan filter * @vsi: the VSI to be searched * @macaddr: the MAC address @@ -1084,6 +1162,30 @@ struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, } /** + * i40e_rm_default_mac_filter - Remove the default MAC filter set by NVM + * @vsi: the PF Main VSI - inappropriate for any other VSI + * @macaddr: the MAC address + **/ +static void i40e_rm_default_mac_filter(struct i40e_vsi *vsi, u8 *macaddr) +{ + struct i40e_aqc_remove_macvlan_element_data element; + struct i40e_pf *pf = vsi->back; + i40e_status aq_ret; + + /* Only appropriate for the PF main VSI */ + if (vsi->type != I40E_VSI_MAIN) + return; + + ether_addr_copy(element.mac_addr, macaddr); + element.vlan_tag = 0; + element.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH | + I40E_AQC_MACVLAN_DEL_IGNORE_VLAN; + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, &element, 1, NULL); + if (aq_ret) + dev_err(&pf->pdev->dev, "Could not remove default MAC-VLAN\n"); +} + +/** * i40e_add_filter - Add a mac/vlan filter to the VSI * @vsi: the VSI to be searched * @macaddr: the MAC address @@ -1108,7 +1210,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, if (!f) goto add_filter_out; - memcpy(f->macaddr, macaddr, ETH_ALEN); + ether_addr_copy(f->macaddr, macaddr); f->vlan = vlan; f->changed = true; @@ -1232,7 +1334,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p) return -EADDRNOTAVAIL; } - memcpy(vsi->back->hw.mac.addr, addr->sa_data, netdev->addr_len); + 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 @@ -1246,7 +1348,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p) i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY, false, false); i40e_sync_vsi_filters(vsi); - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + ether_addr_copy(netdev->dev_addr, addr->sa_data); return 0; } @@ -1296,7 +1398,7 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, vsi->tc_config.numtc = numtc; vsi->tc_config.enabled_tc = enabled_tc ? enabled_tc : 1; /* Number of queues per enabled TC */ - num_tc_qps = rounddown_pow_of_two(vsi->alloc_queue_pairs/numtc); + num_tc_qps = vsi->alloc_queue_pairs/numtc; num_tc_qps = min_t(int, num_tc_qps, I40E_MAX_QUEUES_PER_TC); /* Setup queue offset/count for all TCs for given VSI */ @@ -1503,8 +1605,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) cmd_flags = 0; /* add to delete list */ - memcpy(del_list[num_del].mac_addr, - f->macaddr, ETH_ALEN); + ether_addr_copy(del_list[num_del].mac_addr, f->macaddr); del_list[num_del].vlan_tag = cpu_to_le16((u16)(f->vlan == I40E_VLAN_ANY ? 0 : f->vlan)); @@ -1525,7 +1626,9 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) num_del = 0; memset(del_list, 0, sizeof(*del_list)); - if (aq_ret) + if (aq_ret && + pf->hw.aq.asq_last_status != + I40E_AQ_RC_ENOENT) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d while flushing a full buffer\n", aq_ret, @@ -1537,7 +1640,8 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) del_list, num_del, NULL); num_del = 0; - if (aq_ret) + if (aq_ret && + pf->hw.aq.asq_last_status != I40E_AQ_RC_ENOENT) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d\n", aq_ret, pf->hw.aq.asq_last_status); @@ -1566,8 +1670,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) cmd_flags = 0; /* add to add array */ - memcpy(add_list[num_add].mac_addr, - f->macaddr, ETH_ALEN); + ether_addr_copy(add_list[num_add].mac_addr, f->macaddr); add_list[num_add].vlan_tag = cpu_to_le16( (u16)(f->vlan == I40E_VLAN_ANY ? 0 : f->vlan)); @@ -1664,7 +1767,7 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) return; pf->flags &= ~I40E_FLAG_FILTER_SYNC; - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v] && (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED)) i40e_sync_vsi_filters(pf->vsi[v]); @@ -1681,7 +1784,7 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) static int i40e_change_mtu(struct net_device *netdev, int new_mtu) { struct i40e_netdev_priv *np = netdev_priv(netdev); - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; struct i40e_vsi *vsi = np->vsi; /* MTU < 68 is an error and causes problems on some kernels */ @@ -1964,11 +2067,14 @@ static int i40e_vlan_rx_add_vid(struct net_device *netdev, netdev_info(netdev, "adding %pM vid=%d\n", netdev->dev_addr, vid); - /* If the network stack called us with vid = 0, we should - * indicate to i40e_vsi_add_vlan() that we want to receive - * any traffic (i.e. with any vlan tag, or untagged) + /* If the network stack called us with vid = 0 then + * it is asking to receive priority tagged packets with + * vlan id 0. Our HW receives them by default when configured + * to receive untagged packets so there is no need to add an + * extra filter for vlan 0 tagged packets. */ - ret = i40e_vsi_add_vlan(vsi, vid ? vid : I40E_VLAN_ANY); + if (vid) + ret = i40e_vsi_add_vlan(vsi, vid); if (!ret && (vid < VLAN_N_VID)) set_bit(vid, vsi->active_vlans); @@ -1981,7 +2087,7 @@ static int i40e_vlan_rx_add_vid(struct net_device *netdev, * @netdev: network interface to be adjusted * @vid: vlan id to be removed * - * net_device_ops implementation for adding vlan ids + * net_device_ops implementation for removing vlan ids **/ static int i40e_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) @@ -2177,6 +2283,11 @@ static int i40e_configure_tx_ring(struct i40e_ring *ring) tx_ctx.fd_ena = !!(vsi->back->flags & (I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED)); tx_ctx.timesync_ena = !!(vsi->back->flags & I40E_FLAG_PTP); + /* FDIR VSI tx ring can still use RS bit and writebacks */ + if (vsi->type != I40E_VSI_FDIR) + tx_ctx.head_wb_ena = 1; + tx_ctx.head_wb_addr = ring->dma + + (ring->count * sizeof(struct i40e_tx_desc)); /* As part of VSI creation/update, FW allocates certain * Tx arbitration queue sets for each TC enabled for @@ -2287,6 +2398,8 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring) rx_ctx.crcstrip = 1; rx_ctx.l2tsel = 1; rx_ctx.showiv = 1; + /* set the prefena field to 1 because the manual says to */ + rx_ctx.prefena = 1; /* clear the context in the HMC */ err = i40e_clear_lan_rx_queue_context(hw, pf_q); @@ -2388,6 +2501,7 @@ static int i40e_vsi_configure_rx(struct i40e_vsi *vsi) **/ static void i40e_vsi_config_dcb_rings(struct i40e_vsi *vsi) { + struct i40e_ring *tx_ring, *rx_ring; u16 qoffset, qcount; int i, n; @@ -2401,8 +2515,8 @@ static void i40e_vsi_config_dcb_rings(struct i40e_vsi *vsi) qoffset = vsi->tc_config.tc_info[n].qoffset; qcount = vsi->tc_config.tc_info[n].qcount; for (i = qoffset; i < (qoffset + qcount); i++) { - struct i40e_ring *rx_ring = vsi->rx_rings[i]; - struct i40e_ring *tx_ring = vsi->tx_rings[i]; + rx_ring = vsi->rx_rings[i]; + tx_ring = vsi->tx_rings[i]; rx_ring->dcb_tc = n; tx_ring->dcb_tc = n; } @@ -2420,6 +2534,28 @@ static void i40e_set_vsi_rx_mode(struct i40e_vsi *vsi) } /** + * i40e_fdir_filter_restore - Restore the Sideband Flow Director filters + * @vsi: Pointer to the targeted VSI + * + * This function replays the hlist on the hw where all the SB Flow Director + * filters were saved. + **/ +static void i40e_fdir_filter_restore(struct i40e_vsi *vsi) +{ + struct i40e_fdir_filter *filter; + struct i40e_pf *pf = vsi->back; + struct hlist_node *node; + + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) + return; + + hlist_for_each_entry_safe(filter, node, + &pf->fdir_filter_list, fdir_node) { + i40e_add_del_fdir(vsi, filter, true); + } +} + +/** * i40e_vsi_configure - Set up the VSI for action * @vsi: the VSI being configured **/ @@ -2518,7 +2654,6 @@ static void i40e_enable_misc_int_causes(struct i40e_hw *hw) I40E_PFINT_ICR0_ENA_PCI_EXCEPTION_MASK | I40E_PFINT_ICR0_ENA_GPIO_MASK | I40E_PFINT_ICR0_ENA_TIMESYNC_MASK | - I40E_PFINT_ICR0_ENA_STORM_DETECT_MASK | I40E_PFINT_ICR0_ENA_HMC_ERR_MASK | I40E_PFINT_ICR0_ENA_VFLR_MASK | I40E_PFINT_ICR0_ENA_ADMINQ_MASK; @@ -2557,7 +2692,7 @@ static void i40e_configure_msi_and_legacy(struct i40e_vsi *vsi) /* FIRSTQ_INDX = 0, FIRSTQ_TYPE = 0 (rx) */ wr32(hw, I40E_PFINT_LNKLST0, 0); - /* Associate the queue pair to the vector and enable the q int */ + /* Associate the queue pair to the vector and enable the queue int */ val = I40E_QINT_RQCTL_CAUSE_ENA_MASK | (I40E_RX_ITR << I40E_QINT_RQCTL_ITR_INDX_SHIFT) | (I40E_QUEUE_TYPE_TX << I40E_QINT_TQCTL_NEXTQ_TYPE_SHIFT); @@ -2686,6 +2821,7 @@ static int i40e_vsi_request_irq_msix(struct i40e_vsi *vsi, char *basename) &q_vector->affinity_mask); } + vsi->irqs_ready = true; return 0; free_queue_irqs: @@ -2831,12 +2967,14 @@ static irqreturn_t i40e_intr(int irq, void *data) val = rd32(hw, I40E_GLGEN_RSTAT); val = (val & I40E_GLGEN_RSTAT_RESET_TYPE_MASK) >> I40E_GLGEN_RSTAT_RESET_TYPE_SHIFT; - if (val == I40E_RESET_CORER) + if (val == I40E_RESET_CORER) { pf->corer_count++; - else if (val == I40E_RESET_GLOBR) + } else if (val == I40E_RESET_GLOBR) { pf->globr_count++; - else if (val == I40E_RESET_EMPR) + } else if (val == I40E_RESET_EMPR) { pf->empr_count++; + set_bit(__I40E_EMP_RESET_REQUESTED, &pf->state); + } } if (icr0 & I40E_PFINT_ICR0_HMC_ERR_MASK) { @@ -2848,12 +2986,9 @@ static irqreturn_t i40e_intr(int irq, void *data) u32 prttsyn_stat = rd32(hw, I40E_PRTTSYN_STAT_0); if (prttsyn_stat & I40E_PRTTSYN_STAT_0_TXTIME_MASK) { - ena_mask &= ~I40E_PFINT_ICR0_ENA_TIMESYNC_MASK; + icr0 &= ~I40E_PFINT_ICR0_ENA_TIMESYNC_MASK; i40e_ptp_tx_hwtstamp(pf); - prttsyn_stat &= ~I40E_PRTTSYN_STAT_0_TXTIME_MASK; } - - wr32(hw, I40E_PRTTSYN_STAT_0, prttsyn_stat); } /* If a critical error is pending we have no choice but to reset the @@ -2866,8 +3001,7 @@ static irqreturn_t i40e_intr(int irq, void *data) icr0_remaining); if ((icr0_remaining & I40E_PFINT_ICR0_PE_CRITERR_MASK) || (icr0_remaining & I40E_PFINT_ICR0_PCI_EXCEPTION_MASK) || - (icr0_remaining & I40E_PFINT_ICR0_ECC_ERR_MASK) || - (icr0_remaining & I40E_PFINT_ICR0_MAL_DETECT_MASK)) { + (icr0_remaining & I40E_PFINT_ICR0_ECC_ERR_MASK)) { dev_info(&pf->pdev->dev, "device will be reset\n"); set_bit(__I40E_PF_RESET_REQUESTED, &pf->state); i40e_service_event_schedule(pf); @@ -3107,24 +3241,27 @@ static int i40e_vsi_control_tx(struct i40e_vsi *vsi, bool enable) pf_q = vsi->base_queue; for (i = 0; i < vsi->num_queue_pairs; i++, pf_q++) { - j = 1000; - do { - usleep_range(1000, 2000); - tx_reg = rd32(hw, I40E_QTX_ENA(pf_q)); - } while (j-- && ((tx_reg >> I40E_QTX_ENA_QENA_REQ_SHIFT) - ^ (tx_reg >> I40E_QTX_ENA_QENA_STAT_SHIFT)) & 1); + /* warn the TX unit of coming changes */ + i40e_pre_tx_queue_cfg(&pf->hw, pf_q, enable); + if (!enable) + udelay(10); + + for (j = 0; j < 50; j++) { + tx_reg = rd32(hw, I40E_QTX_ENA(pf_q)); + if (((tx_reg >> I40E_QTX_ENA_QENA_REQ_SHIFT) & 1) == + ((tx_reg >> I40E_QTX_ENA_QENA_STAT_SHIFT) & 1)) + break; + usleep_range(1000, 2000); + } /* Skip if the queue is already in the requested state */ - if (enable && (tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) - continue; - if (!enable && !(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) + if (enable == !!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) continue; /* turn on/off the queue */ if (enable) { wr32(hw, I40E_QTX_HEAD(pf_q), 0); - tx_reg |= I40E_QTX_ENA_QENA_REQ_MASK | - I40E_QTX_ENA_QENA_STAT_MASK; + tx_reg |= I40E_QTX_ENA_QENA_REQ_MASK; } else { tx_reg &= ~I40E_QTX_ENA_QENA_REQ_MASK; } @@ -3134,13 +3271,8 @@ static int i40e_vsi_control_tx(struct i40e_vsi *vsi, bool enable) /* wait for the change to finish */ for (j = 0; j < 10; j++) { tx_reg = rd32(hw, I40E_QTX_ENA(pf_q)); - if (enable) { - if ((tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) - break; - } else { - if (!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) - break; - } + if (enable == !!(tx_reg & I40E_QTX_ENA_QENA_STAT_MASK)) + break; udelay(10); } @@ -3171,43 +3303,31 @@ static int i40e_vsi_control_rx(struct i40e_vsi *vsi, bool enable) pf_q = vsi->base_queue; for (i = 0; i < vsi->num_queue_pairs; i++, pf_q++) { - j = 1000; - do { - usleep_range(1000, 2000); + for (j = 0; j < 50; j++) { rx_reg = rd32(hw, I40E_QRX_ENA(pf_q)); - } while (j-- && ((rx_reg >> I40E_QRX_ENA_QENA_REQ_SHIFT) - ^ (rx_reg >> I40E_QRX_ENA_QENA_STAT_SHIFT)) & 1); - - if (enable) { - /* is STAT set ? */ - if ((rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - continue; - } else { - /* is !STAT set ? */ - if (!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - continue; + if (((rx_reg >> I40E_QRX_ENA_QENA_REQ_SHIFT) & 1) == + ((rx_reg >> I40E_QRX_ENA_QENA_STAT_SHIFT) & 1)) + break; + usleep_range(1000, 2000); } + /* Skip if the queue is already in the requested state */ + if (enable == !!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) + continue; + /* turn on/off the queue */ if (enable) - rx_reg |= I40E_QRX_ENA_QENA_REQ_MASK | - I40E_QRX_ENA_QENA_STAT_MASK; + rx_reg |= I40E_QRX_ENA_QENA_REQ_MASK; else - rx_reg &= ~(I40E_QRX_ENA_QENA_REQ_MASK | - I40E_QRX_ENA_QENA_STAT_MASK); + rx_reg &= ~I40E_QRX_ENA_QENA_REQ_MASK; 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) { - if ((rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - break; - } else { - if (!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) - break; - } + if (enable == !!(rx_reg & I40E_QRX_ENA_QENA_STAT_MASK)) + break; udelay(10); } @@ -3261,6 +3381,10 @@ static void i40e_vsi_free_irq(struct i40e_vsi *vsi) if (!vsi->q_vectors) return; + if (!vsi->irqs_ready) + return; + + vsi->irqs_ready = false; for (i = 0; i < vsi->num_q_vectors; i++) { u16 vector = i + base; @@ -3433,7 +3557,7 @@ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf) int i; i40e_put_lump(pf->irq_pile, 0, I40E_PILE_VALID_BIT-1); - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i]) i40e_vsi_free_q_vectors(pf->vsi[i]); i40e_reset_interrupt_capability(pf); @@ -3470,6 +3594,19 @@ static void i40e_napi_disable_all(struct i40e_vsi *vsi) } /** + * i40e_vsi_close - Shut down a VSI + * @vsi: the vsi to be quelled + **/ +static void i40e_vsi_close(struct i40e_vsi *vsi) +{ + if (!test_and_set_bit(__I40E_DOWN, &vsi->state)) + i40e_down(vsi); + i40e_vsi_free_irq(vsi); + i40e_vsi_free_tx_resources(vsi); + i40e_vsi_free_rx_resources(vsi); +} + +/** * i40e_quiesce_vsi - Pause a given VSI * @vsi: the VSI being paused **/ @@ -3482,8 +3619,7 @@ static void i40e_quiesce_vsi(struct i40e_vsi *vsi) if (vsi->netdev && netif_running(vsi->netdev)) { vsi->netdev->netdev_ops->ndo_stop(vsi->netdev); } else { - set_bit(__I40E_DOWN, &vsi->state); - i40e_down(vsi); + i40e_vsi_close(vsi); } } @@ -3500,7 +3636,7 @@ static void i40e_unquiesce_vsi(struct i40e_vsi *vsi) if (vsi->netdev && netif_running(vsi->netdev)) vsi->netdev->netdev_ops->ndo_open(vsi->netdev); else - i40e_up(vsi); /* this clears the DOWN bit */ + i40e_vsi_open(vsi); /* this clears the DOWN bit */ } /** @@ -3511,7 +3647,7 @@ static void i40e_pf_quiesce_all_vsi(struct i40e_pf *pf) { int v; - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v]) i40e_quiesce_vsi(pf->vsi[v]); } @@ -3525,7 +3661,7 @@ static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf) { int v; - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v]) i40e_unquiesce_vsi(pf->vsi[v]); } @@ -3732,8 +3868,8 @@ static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, u8 enabled_tc, NULL); if (aq_ret) { dev_info(&vsi->back->pdev->dev, - "%s: AQ command Config VSI BW allocation per TC failed = %d\n", - __func__, vsi->back->hw.aq.asq_last_status); + "AQ command Config VSI BW allocation per TC failed = %d\n", + vsi->back->hw.aq.asq_last_status); return -EINVAL; } @@ -3966,7 +4102,7 @@ static void i40e_dcb_reconfigure(struct i40e_pf *pf) } /* Update each VSI */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (!pf->vsi[v]) continue; @@ -3985,6 +4121,8 @@ static void i40e_dcb_reconfigure(struct i40e_pf *pf) pf->vsi[v]->seid); /* Will try to configure as many components */ } else { + /* Re-configure VSI vectors based on updated TC map */ + i40e_vsi_map_rings_to_vectors(pf->vsi[v]); if (pf->vsi[v]->netdev) i40e_dcbnl_set_all(pf->vsi[v]); } @@ -4022,14 +4160,69 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf) /* When status is not DISABLED then DCBX in FW */ pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_IEEE; - pf->flags |= I40E_FLAG_DCB_ENABLED; + + pf->flags |= I40E_FLAG_DCB_CAPABLE; + /* Enable DCB tagging only when more than one TC */ + if (i40e_dcb_get_num_tc(&hw->local_dcbx_config) > 1) + pf->flags |= I40E_FLAG_DCB_ENABLED; } + } else { + dev_info(&pf->pdev->dev, "AQ Querying DCB configuration failed: %d\n", + pf->hw.aq.asq_last_status); } out: return err; } #endif /* CONFIG_I40E_DCB */ +#define SPEED_SIZE 14 +#define FC_SIZE 8 +/** + * i40e_print_link_message - print link up or down + * @vsi: the VSI for which link needs a message + */ +static void i40e_print_link_message(struct i40e_vsi *vsi, bool isup) +{ + char speed[SPEED_SIZE] = "Unknown"; + char fc[FC_SIZE] = "RX/TX"; + + if (!isup) { + netdev_info(vsi->netdev, "NIC Link is Down\n"); + return; + } + + switch (vsi->back->hw.phy.link_info.link_speed) { + case I40E_LINK_SPEED_40GB: + strncpy(speed, "40 Gbps", SPEED_SIZE); + break; + case I40E_LINK_SPEED_10GB: + strncpy(speed, "10 Gbps", SPEED_SIZE); + break; + case I40E_LINK_SPEED_1GB: + strncpy(speed, "1000 Mbps", SPEED_SIZE); + break; + default: + break; + } + + switch (vsi->back->hw.fc.current_mode) { + case I40E_FC_FULL: + strncpy(fc, "RX/TX", FC_SIZE); + break; + case I40E_FC_TX_PAUSE: + strncpy(fc, "TX", FC_SIZE); + break; + case I40E_FC_RX_PAUSE: + strncpy(fc, "RX", FC_SIZE); + break; + default: + strncpy(fc, "None", FC_SIZE); + break; + } + + netdev_info(vsi->netdev, "NIC Link is Up %s Full Duplex, Flow Control: %s\n", + speed, fc); +} /** * i40e_up_complete - Finish the last steps of bringing up a connection @@ -4056,12 +4249,16 @@ static int i40e_up_complete(struct i40e_vsi *vsi) if ((pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP) && (vsi->netdev)) { - netdev_info(vsi->netdev, "NIC Link is Up\n"); + i40e_print_link_message(vsi, true); netif_tx_start_all_queues(vsi->netdev); netif_carrier_on(vsi->netdev); } else if (vsi->netdev) { - netdev_info(vsi->netdev, "NIC Link is Down\n"); + i40e_print_link_message(vsi, false); } + + /* replay FDIR SB filters */ + if (vsi->type == I40E_VSI_FDIR) + i40e_fdir_filter_restore(vsi); i40e_service_event_schedule(pf); return 0; @@ -4208,15 +4405,48 @@ static int i40e_open(struct net_device *netdev) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; - char int_name[IFNAMSIZ]; int err; - /* disallow open during test */ - if (test_bit(__I40E_TESTING, &pf->state)) + /* disallow open during test or if eeprom is broken */ + if (test_bit(__I40E_TESTING, &pf->state) || + test_bit(__I40E_BAD_EEPROM, &pf->state)) return -EBUSY; netif_carrier_off(netdev); + err = i40e_vsi_open(vsi); + if (err) + return err; + + /* configure global TSO hardware offload settings */ + wr32(&pf->hw, I40E_GLLAN_TSOMSK_F, be32_to_cpu(TCP_FLAG_PSH | + TCP_FLAG_FIN) >> 16); + wr32(&pf->hw, I40E_GLLAN_TSOMSK_M, be32_to_cpu(TCP_FLAG_PSH | + TCP_FLAG_FIN | + TCP_FLAG_CWR) >> 16); + wr32(&pf->hw, I40E_GLLAN_TSOMSK_L, be32_to_cpu(TCP_FLAG_CWR) >> 16); + +#ifdef CONFIG_I40E_VXLAN + vxlan_get_rx_port(netdev); +#endif + + return 0; +} + +/** + * i40e_vsi_open - + * @vsi: the VSI to open + * + * Finish initialization of the VSI. + * + * Returns 0 on success, negative value on failure + **/ +int i40e_vsi_open(struct i40e_vsi *vsi) +{ + struct i40e_pf *pf = vsi->back; + char int_name[IFNAMSIZ]; + int err; + /* allocate descriptors */ err = i40e_vsi_setup_tx_resources(vsi); if (err) @@ -4229,29 +4459,37 @@ static int i40e_open(struct net_device *netdev) if (err) goto err_setup_rx; - snprintf(int_name, sizeof(int_name) - 1, "%s-%s", - dev_driver_string(&pf->pdev->dev), netdev->name); - err = i40e_vsi_request_irq(vsi, int_name); - if (err) - goto err_setup_rx; + if (vsi->netdev) { + snprintf(int_name, sizeof(int_name) - 1, "%s-%s", + dev_driver_string(&pf->pdev->dev), vsi->netdev->name); + err = i40e_vsi_request_irq(vsi, int_name); + if (err) + goto err_setup_rx; - /* Notify the stack of the actual queue counts. */ - err = netif_set_real_num_tx_queues(netdev, vsi->num_queue_pairs); - if (err) - goto err_set_queues; + /* Notify the stack of the actual queue counts. */ + err = netif_set_real_num_tx_queues(vsi->netdev, + vsi->num_queue_pairs); + if (err) + goto err_set_queues; - err = netif_set_real_num_rx_queues(netdev, vsi->num_queue_pairs); - if (err) - goto err_set_queues; + err = netif_set_real_num_rx_queues(vsi->netdev, + vsi->num_queue_pairs); + if (err) + goto err_set_queues; + + } else if (vsi->type == I40E_VSI_FDIR) { + snprintf(int_name, sizeof(int_name) - 1, "%s-fdir", + dev_driver_string(&pf->pdev->dev)); + err = i40e_vsi_request_irq(vsi, int_name); + } else { + err = -EINVAL; + goto err_setup_rx; + } err = i40e_up_complete(vsi); if (err) goto err_up_complete; -#ifdef CONFIG_I40E_VXLAN - vxlan_get_rx_port(netdev); -#endif - return 0; err_up_complete: @@ -4269,6 +4507,26 @@ err_setup_tx: } /** + * i40e_fdir_filter_exit - Cleans up the Flow Director accounting + * @pf: Pointer to pf + * + * This function destroys the hlist where all the Flow Director + * filters were saved. + **/ +static void i40e_fdir_filter_exit(struct i40e_pf *pf) +{ + struct i40e_fdir_filter *filter; + struct hlist_node *node2; + + hlist_for_each_entry_safe(filter, node2, + &pf->fdir_filter_list, fdir_node) { + hlist_del(&filter->fdir_node); + kfree(filter); + } + pf->fdir_pf_active_filters = 0; +} + +/** * i40e_close - Disables a network interface * @netdev: network interface device structure * @@ -4283,14 +4541,7 @@ static int i40e_close(struct net_device *netdev) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - if (test_and_set_bit(__I40E_DOWN, &vsi->state)) - return 0; - - i40e_down(vsi); - i40e_vsi_free_irq(vsi); - - i40e_vsi_free_tx_resources(vsi); - i40e_vsi_free_rx_resources(vsi); + i40e_vsi_close(vsi); return 0; } @@ -4310,6 +4561,9 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) WARN_ON(in_interrupt()); + if (i40e_check_asq_alive(&pf->hw)) + i40e_vc_notify_reset(pf); + /* do the biggest reset indicated */ if (reset_flags & (1 << __I40E_GLOBAL_RESET_REQUESTED)) { @@ -4321,7 +4575,7 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) * for the warning interrupt will deal with the shutdown * and recovery of the switch setup. */ - dev_info(&pf->pdev->dev, "GlobalR requested\n"); + dev_dbg(&pf->pdev->dev, "GlobalR requested\n"); val = rd32(&pf->hw, I40E_GLGEN_RTRIG); val |= I40E_GLGEN_RTRIG_GLOBR_MASK; wr32(&pf->hw, I40E_GLGEN_RTRIG, val); @@ -4332,7 +4586,7 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) * * Same as Global Reset, except does *not* include the MAC/PHY */ - dev_info(&pf->pdev->dev, "CoreR requested\n"); + dev_dbg(&pf->pdev->dev, "CoreR requested\n"); val = rd32(&pf->hw, I40E_GLGEN_RTRIG); val |= I40E_GLGEN_RTRIG_CORER_MASK; wr32(&pf->hw, I40E_GLGEN_RTRIG, val); @@ -4366,7 +4620,7 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) * the switch, since we need to do all the recovery as * for the Core Reset. */ - dev_info(&pf->pdev->dev, "PFR requested\n"); + dev_dbg(&pf->pdev->dev, "PFR requested\n"); i40e_handle_reset_warning(pf); } else if (reset_flags & (1 << __I40E_REINIT_REQUESTED)) { @@ -4375,7 +4629,7 @@ void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags) /* Find the VSI(s) that requested a re-init */ dev_info(&pf->pdev->dev, "VSI reinit requested\n"); - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; if (vsi != NULL && test_bit(__I40E_REINIT_REQUESTED, &vsi->state)) { @@ -4415,18 +4669,18 @@ bool i40e_dcb_need_reconfig(struct i40e_pf *pf, &old_cfg->etscfg.prioritytable, sizeof(new_cfg->etscfg.prioritytable))) { need_reconfig = true; - dev_info(&pf->pdev->dev, "ETS UP2TC changed.\n"); + dev_dbg(&pf->pdev->dev, "ETS UP2TC changed.\n"); } if (memcmp(&new_cfg->etscfg.tcbwtable, &old_cfg->etscfg.tcbwtable, sizeof(new_cfg->etscfg.tcbwtable))) - dev_info(&pf->pdev->dev, "ETS TC BW Table changed.\n"); + dev_dbg(&pf->pdev->dev, "ETS TC BW Table changed.\n"); if (memcmp(&new_cfg->etscfg.tsatable, &old_cfg->etscfg.tsatable, sizeof(new_cfg->etscfg.tsatable))) - dev_info(&pf->pdev->dev, "ETS TSA Table changed.\n"); + dev_dbg(&pf->pdev->dev, "ETS TSA Table changed.\n"); } /* Check if PFC configuration has changed */ @@ -4434,7 +4688,7 @@ bool i40e_dcb_need_reconfig(struct i40e_pf *pf, &old_cfg->pfc, sizeof(new_cfg->pfc))) { need_reconfig = true; - dev_info(&pf->pdev->dev, "PFC config change detected.\n"); + dev_dbg(&pf->pdev->dev, "PFC config change detected.\n"); } /* Check if APP Table has changed */ @@ -4442,7 +4696,7 @@ bool i40e_dcb_need_reconfig(struct i40e_pf *pf, &old_cfg->app, sizeof(new_cfg->app))) { need_reconfig = true; - dev_info(&pf->pdev->dev, "APP Table change detected.\n"); + dev_dbg(&pf->pdev->dev, "APP Table change detected.\n"); } return need_reconfig; @@ -4465,6 +4719,10 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf, int ret = 0; u8 type; + /* Not DCB capable or capability disabled */ + if (!(pf->flags & I40E_FLAG_DCB_CAPABLE)) + return ret; + /* Ignore if event is not for Nearest Bridge */ type = ((mib->type >> I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) & I40E_AQ_LLDP_BRIDGE_TYPE_MASK); @@ -4492,7 +4750,7 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf, /* No change detected in DCBX configs */ if (!memcmp(&tmp_dcbx_cfg, dcbx_cfg, sizeof(tmp_dcbx_cfg))) { - dev_info(&pf->pdev->dev, "No change detected in DCBX configuration.\n"); + dev_dbg(&pf->pdev->dev, "No change detected in DCBX configuration.\n"); goto exit; } @@ -4506,6 +4764,12 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf, if (!need_reconfig) goto exit; + /* Enable DCB tagging only when more than one TC */ + if (i40e_dcb_get_num_tc(dcbx_cfg) > 1) + pf->flags |= I40E_FLAG_DCB_ENABLED; + else + pf->flags &= ~I40E_FLAG_DCB_ENABLED; + /* Reconfiguration needed quiesce all VSIs */ i40e_pf_quiesce_all_vsi(pf); @@ -4550,8 +4814,8 @@ static void i40e_handle_lan_overflow_event(struct i40e_pf *pf, struct i40e_vf *vf; u16 vf_id; - dev_info(&pf->pdev->dev, "%s: Rx Queue Number = %d QTX_CTL=0x%08x\n", - __func__, queue, qtx_ctl); + dev_dbg(&pf->pdev->dev, "overflow Rx Queue Number = %d QTX_CTL=0x%08x\n", + queue, qtx_ctl); /* Queue belongs to VF, find the VF and issue VF reset */ if (((qtx_ctl & I40E_QTX_CTL_PFVF_Q_MASK) @@ -4576,11 +4840,58 @@ static void i40e_service_event_complete(struct i40e_pf *pf) BUG_ON(!test_bit(__I40E_SERVICE_SCHED, &pf->state)); /* flush memory to make sure state is correct before next watchog */ - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(__I40E_SERVICE_SCHED, &pf->state); } /** + * i40e_get_current_fd_count - Get the count of FD filters programmed in the HW + * @pf: board private structure + **/ +int i40e_get_current_fd_count(struct i40e_pf *pf) +{ + int val, fcnt_prog; + val = rd32(&pf->hw, I40E_PFQF_FDSTAT); + fcnt_prog = (val & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) + + ((val & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >> + I40E_PFQF_FDSTAT_BEST_CNT_SHIFT); + return fcnt_prog; +} + +/** + * i40e_fdir_check_and_reenable - Function to reenabe FD ATR or SB if disabled + * @pf: board private structure + **/ +void i40e_fdir_check_and_reenable(struct i40e_pf *pf) +{ + u32 fcnt_prog, fcnt_avail; + + /* Check if, FD SB or ATR was auto disabled and if there is enough room + * to re-enable + */ + if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && + (pf->flags & I40E_FLAG_FD_SB_ENABLED)) + return; + fcnt_prog = i40e_get_current_fd_count(pf); + fcnt_avail = i40e_get_fd_cnt_all(pf); + if (fcnt_prog < (fcnt_avail - I40E_FDIR_BUFFER_HEAD_ROOM)) { + if ((pf->flags & I40E_FLAG_FD_SB_ENABLED) && + (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) { + pf->auto_disable_flags &= ~I40E_FLAG_FD_SB_ENABLED; + dev_info(&pf->pdev->dev, "FD Sideband/ntuple is being enabled since we have space in the table now\n"); + } + } + /* Wait for some more space to be available to turn on ATR */ + if (fcnt_prog < (fcnt_avail - I40E_FDIR_BUFFER_HEAD_ROOM * 2)) { + if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && + (pf->auto_disable_flags & I40E_FLAG_FD_ATR_ENABLED)) { + pf->auto_disable_flags &= ~I40E_FLAG_FD_ATR_ENABLED; + dev_info(&pf->pdev->dev, "ATR is being enabled since we have space in the table now\n"); + } + } +} + +/** * i40e_fdir_reinit_subtask - Worker thread to reinit FDIR filter table * @pf: board private structure **/ @@ -4589,11 +4900,14 @@ static void i40e_fdir_reinit_subtask(struct i40e_pf *pf) if (!(pf->flags & I40E_FLAG_FDIR_REQUIRES_REINIT)) return; - pf->flags &= ~I40E_FLAG_FDIR_REQUIRES_REINIT; - /* if interface is down do nothing */ if (test_bit(__I40E_DOWN, &pf->state)) return; + i40e_fdir_check_and_reenable(pf); + + if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && + (pf->flags & I40E_FLAG_FD_SB_ENABLED)) + pf->flags &= ~I40E_FLAG_FDIR_REQUIRES_REINIT; } /** @@ -4652,7 +4966,7 @@ static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up) i40e_veb_link_event(pf->veb[i], link_up); /* ... now the local VSIs */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i] && (pf->vsi[i]->uplink_seid == veb->seid)) i40e_vsi_link_event(pf->vsi[i], link_up); } @@ -4670,10 +4984,8 @@ static void i40e_link_event(struct i40e_pf *pf) if (new_link == old_link) return; - if (!test_bit(__I40E_DOWN, &pf->vsi[pf->lan_vsi]->state)) - netdev_info(pf->vsi[pf->lan_vsi]->netdev, - "NIC Link is %s\n", (new_link ? "Up" : "Down")); + i40e_print_link_message(pf->vsi[pf->lan_vsi], new_link); /* Notify the base of the switch tree connected to * the link. Floating VEBs are not notified. @@ -4711,7 +5023,7 @@ static void i40e_check_hang_subtask(struct i40e_pf *pf) * for each q_vector * force an interrupt */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { struct i40e_vsi *vsi = pf->vsi[v]; int armed = 0; @@ -4761,7 +5073,7 @@ static void i40e_watchdog_subtask(struct i40e_pf *pf) /* Update the stats for active netdevs so the network stack * can look at updated numbers whenever it cares to */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) + for (i = 0; i < pf->num_alloc_vsi; i++) if (pf->vsi[i] && pf->vsi[i]->netdev) i40e_update_stats(pf->vsi[i]); @@ -4867,11 +5179,47 @@ static void i40e_clean_adminq_subtask(struct i40e_pf *pf) u16 pending, i = 0; i40e_status ret; u16 opcode; + u32 oldval; u32 val; if (!test_bit(__I40E_ADMINQ_EVENT_PENDING, &pf->state)) return; + /* check for error indications */ + val = rd32(&pf->hw, pf->hw.aq.arq.len); + oldval = val; + if (val & I40E_PF_ARQLEN_ARQVFE_MASK) { + dev_info(&pf->pdev->dev, "ARQ VF Error detected\n"); + val &= ~I40E_PF_ARQLEN_ARQVFE_MASK; + } + if (val & I40E_PF_ARQLEN_ARQOVFL_MASK) { + dev_info(&pf->pdev->dev, "ARQ Overflow Error detected\n"); + val &= ~I40E_PF_ARQLEN_ARQOVFL_MASK; + } + if (val & I40E_PF_ARQLEN_ARQCRIT_MASK) { + dev_info(&pf->pdev->dev, "ARQ Critical Error detected\n"); + val &= ~I40E_PF_ARQLEN_ARQCRIT_MASK; + } + if (oldval != val) + wr32(&pf->hw, pf->hw.aq.arq.len, val); + + val = rd32(&pf->hw, pf->hw.aq.asq.len); + oldval = val; + if (val & I40E_PF_ATQLEN_ATQVFE_MASK) { + dev_info(&pf->pdev->dev, "ASQ VF Error detected\n"); + val &= ~I40E_PF_ATQLEN_ATQVFE_MASK; + } + if (val & I40E_PF_ATQLEN_ATQOVFL_MASK) { + dev_info(&pf->pdev->dev, "ASQ Overflow Error detected\n"); + val &= ~I40E_PF_ATQLEN_ATQOVFL_MASK; + } + if (val & I40E_PF_ATQLEN_ATQCRIT_MASK) { + dev_info(&pf->pdev->dev, "ASQ Critical Error detected\n"); + val &= ~I40E_PF_ATQLEN_ATQCRIT_MASK; + } + if (oldval != val) + wr32(&pf->hw, pf->hw.aq.asq.len, val); + event.msg_size = I40E_MAX_AQ_BUF_SIZE; event.msg_buf = kzalloc(event.msg_size, GFP_KERNEL); if (!event.msg_buf) @@ -4903,7 +5251,7 @@ static void i40e_clean_adminq_subtask(struct i40e_pf *pf) event.msg_size); break; case i40e_aqc_opc_lldp_update_mib: - dev_info(&pf->pdev->dev, "ARQ: Update LLDP MIB event received\n"); + dev_dbg(&pf->pdev->dev, "ARQ: Update LLDP MIB event received\n"); #ifdef CONFIG_I40E_DCB rtnl_lock(); ret = i40e_handle_lldp_event(pf, &event); @@ -4911,7 +5259,7 @@ static void i40e_clean_adminq_subtask(struct i40e_pf *pf) #endif /* CONFIG_I40E_DCB */ break; case i40e_aqc_opc_event_lan_overflow: - dev_info(&pf->pdev->dev, "ARQ LAN queue overflow event received\n"); + dev_dbg(&pf->pdev->dev, "ARQ LAN queue overflow event received\n"); i40e_handle_lan_overflow_event(pf, &event); break; case i40e_aqc_opc_send_msg_to_peer: @@ -4936,6 +5284,31 @@ static void i40e_clean_adminq_subtask(struct i40e_pf *pf) } /** + * i40e_verify_eeprom - make sure eeprom is good to use + * @pf: board private structure + **/ +static void i40e_verify_eeprom(struct i40e_pf *pf) +{ + int err; + + err = i40e_diag_eeprom_test(&pf->hw); + if (err) { + /* retry in case of garbage read */ + err = i40e_diag_eeprom_test(&pf->hw); + if (err) { + dev_info(&pf->pdev->dev, "eeprom check failed (%d), Tx/Rx traffic disabled\n", + err); + set_bit(__I40E_BAD_EEPROM, &pf->state); + } + } + + if (!err && test_bit(__I40E_BAD_EEPROM, &pf->state)) { + dev_info(&pf->pdev->dev, "eeprom check passed, Tx/Rx traffic enabled\n"); + clear_bit(__I40E_BAD_EEPROM, &pf->state); + } +} + +/** * i40e_reconstitute_veb - rebuild the VEB and anything connected to it * @veb: pointer to the VEB instance * @@ -4952,7 +5325,7 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) int ret; /* build VSI that owns this VEB, temporarily attached to base VEB */ - for (v = 0; v < pf->hw.func_caps.num_vsis && !ctl_vsi; v++) { + for (v = 0; v < pf->num_alloc_vsi && !ctl_vsi; v++) { if (pf->vsi[v] && pf->vsi[v]->veb_idx == veb->idx && pf->vsi[v]->flags & I40E_VSI_FLAG_VEB_OWNER) { @@ -4982,7 +5355,7 @@ static int i40e_reconstitute_veb(struct i40e_veb *veb) goto end_reconstitute; /* create the remaining VSIs attached to this VEB */ - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (!pf->vsi[v] || pf->vsi[v] == ctl_vsi) continue; @@ -5050,8 +5423,11 @@ static int i40e_get_capabilities(struct i40e_pf *pf) } } while (err); - /* increment MSI-X count because current FW skips one */ - pf->hw.func_caps.num_msix_vectors++; + if (((pf->hw.aq.fw_maj_ver == 2) && (pf->hw.aq.fw_min_ver < 22)) || + (pf->hw.aq.fw_maj_ver < 2)) { + pf->hw.func_caps.num_msix_vectors++; + pf->hw.func_caps.num_msix_vectors_vf++; + } if (pf->hw.debug_mask & I40E_DEBUG_USER) dev_info(&pf->pdev->dev, @@ -5085,15 +5461,14 @@ static int i40e_vsi_clear(struct i40e_vsi *vsi); static void i40e_fdir_sb_setup(struct i40e_pf *pf) { struct i40e_vsi *vsi; - bool new_vsi = false; - int err, i; + int i; if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) return; /* find existing VSI and see if it needs configuring */ vsi = NULL; - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) { vsi = pf->vsi[i]; break; @@ -5106,47 +5481,12 @@ static void i40e_fdir_sb_setup(struct i40e_pf *pf) pf->vsi[pf->lan_vsi]->seid, 0); if (!vsi) { dev_info(&pf->pdev->dev, "Couldn't create FDir VSI\n"); - goto err_vsi; + pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; + return; } - new_vsi = true; - } - i40e_vsi_setup_irqhandler(vsi, i40e_fdir_clean_ring); - - err = i40e_vsi_setup_tx_resources(vsi); - if (err) - goto err_setup_tx; - err = i40e_vsi_setup_rx_resources(vsi); - if (err) - goto err_setup_rx; - - if (new_vsi) { - char int_name[IFNAMSIZ + 9]; - err = i40e_vsi_configure(vsi); - if (err) - goto err_setup_rx; - snprintf(int_name, sizeof(int_name) - 1, "%s-fdir", - dev_driver_string(&pf->pdev->dev)); - err = i40e_vsi_request_irq(vsi, int_name); - if (err) - goto err_setup_rx; - err = i40e_up_complete(vsi); - if (err) - goto err_up_complete; } - clear_bit(__I40E_NEEDS_RESTART, &vsi->state); - return; - -err_up_complete: - i40e_down(vsi); - i40e_vsi_free_irq(vsi); -err_setup_rx: - i40e_vsi_free_rx_resources(vsi); -err_setup_tx: - i40e_vsi_free_tx_resources(vsi); -err_vsi: - pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; - i40e_vsi_clear(vsi); + i40e_vsi_setup_irqhandler(vsi, i40e_fdir_clean_ring); } /** @@ -5157,7 +5497,8 @@ static void i40e_fdir_teardown(struct i40e_pf *pf) { int i; - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + i40e_fdir_filter_exit(pf); + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) { i40e_vsi_release(pf->vsi[i]); break; @@ -5174,22 +5515,19 @@ static void i40e_fdir_teardown(struct i40e_pf *pf) static int i40e_prep_for_reset(struct i40e_pf *pf) { struct i40e_hw *hw = &pf->hw; - i40e_status ret; + i40e_status ret = 0; u32 v; clear_bit(__I40E_RESET_INTR_RECEIVED, &pf->state); if (test_and_set_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state)) return 0; - dev_info(&pf->pdev->dev, "Tearing down internal switch for reset\n"); - - if (i40e_check_asq_alive(hw)) - i40e_vc_notify_reset(pf); + dev_dbg(&pf->pdev->dev, "Tearing down internal switch for reset\n"); /* quiesce the VSIs and their queues that are not already DOWN */ i40e_pf_quiesce_all_vsi(pf); - for (v = 0; v < pf->hw.func_caps.num_vsis; v++) { + for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v]) pf->vsi[v]->seid = 0; } @@ -5197,22 +5535,40 @@ static int i40e_prep_for_reset(struct i40e_pf *pf) i40e_shutdown_adminq(&pf->hw); /* call shutdown HMC */ - ret = i40e_shutdown_lan_hmc(hw); - if (ret) { - dev_info(&pf->pdev->dev, "shutdown_lan_hmc failed: %d\n", ret); - clear_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state); + if (hw->hmc.hmc_obj) { + ret = i40e_shutdown_lan_hmc(hw); + if (ret) { + dev_warn(&pf->pdev->dev, + "shutdown_lan_hmc failed: %d\n", ret); + clear_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state); + } } return ret; } /** + * i40e_send_version - update firmware with driver version + * @pf: PF struct + */ +static void i40e_send_version(struct i40e_pf *pf) +{ + struct i40e_driver_version dv; + + dv.major_version = DRV_VERSION_MAJOR; + dv.minor_version = DRV_VERSION_MINOR; + dv.build_version = DRV_VERSION_BUILD; + dv.subbuild_version = 0; + strncpy(dv.driver_string, DRV_VERSION, sizeof(dv.driver_string)); + i40e_aq_send_driver_version(&pf->hw, &dv, NULL); +} + +/** * i40e_reset_and_rebuild - reset and rebuild using a saved config * @pf: board private structure * @reinit: if the Main VSI needs to re-initialized. **/ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) { - struct i40e_driver_version dv; struct i40e_hw *hw = &pf->hw; i40e_status ret; u32 v; @@ -5222,13 +5578,15 @@ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) * because the reset will make them disappear. */ ret = i40e_pf_reset(hw); - if (ret) + if (ret) { dev_info(&pf->pdev->dev, "PF reset failed, %d\n", ret); + goto end_core_reset; + } pf->pfr_count++; if (test_bit(__I40E_DOWN, &pf->state)) goto end_core_reset; - dev_info(&pf->pdev->dev, "Rebuilding internal switch\n"); + dev_dbg(&pf->pdev->dev, "Rebuilding internal switch\n"); /* rebuild the basics for the AdminQ, HMC, and initial HW switch */ ret = i40e_init_adminq(&pf->hw); @@ -5237,6 +5595,13 @@ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) goto end_core_reset; } + /* re-verify the eeprom if we just had an EMP reset */ + if (test_bit(__I40E_EMP_RESET_REQUESTED, &pf->state)) { + clear_bit(__I40E_EMP_RESET_REQUESTED, &pf->state); + i40e_verify_eeprom(pf); + } + + i40e_clear_pxe_mode(hw); ret = i40e_get_capabilities(pf); if (ret) { dev_info(&pf->pdev->dev, "i40e_get_capabilities failed, %d\n", @@ -5278,7 +5643,7 @@ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) * try to recover minimal use by getting the basic PF VSI working. */ if (pf->vsi[pf->lan_vsi]->uplink_seid != pf->mac_seid) { - dev_info(&pf->pdev->dev, "attempting to rebuild switch\n"); + dev_dbg(&pf->pdev->dev, "attempting to rebuild switch\n"); /* find the one VEB connected to the MAC, and find orphans */ for (v = 0; v < I40E_MAX_VEB; v++) { if (!pf->veb[v]) @@ -5331,14 +5696,13 @@ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) /* restart the VSIs that were rebuilt and running before the reset */ i40e_pf_unquiesce_all_vsi(pf); - /* tell the firmware that we're starting */ - dv.major_version = DRV_VERSION_MAJOR; - dv.minor_version = DRV_VERSION_MINOR; - dv.build_version = DRV_VERSION_BUILD; - dv.subbuild_version = 0; - i40e_aq_send_driver_version(&pf->hw, &dv, NULL); + if (pf->num_alloc_vfs) { + for (v = 0; v < pf->num_alloc_vfs; v++) + i40e_reset_vf(&pf->vf[v], true); + } - dev_info(&pf->pdev->dev, "PF reset done\n"); + /* tell the firmware that we're starting */ + i40e_send_version(pf); end_core_reset: clear_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state); @@ -5387,7 +5751,7 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) u8 queue = (reg & I40E_GL_MDET_TX_QUEUE_MASK) >> I40E_GL_MDET_TX_QUEUE_SHIFT; dev_info(&pf->pdev->dev, - "Malicious Driver Detection TX event 0x%02x on q %d of function 0x%02x\n", + "Malicious Driver Detection event 0x%02x on TX queue %d of function 0x%02x\n", event, queue, func); wr32(hw, I40E_GL_MDET_TX, 0xffffffff); mdd_detected = true; @@ -5401,7 +5765,7 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) u8 queue = (reg & I40E_GL_MDET_RX_QUEUE_MASK) >> I40E_GL_MDET_RX_QUEUE_SHIFT; dev_info(&pf->pdev->dev, - "Malicious Driver Detection RX event 0x%02x on q %d of function 0x%02x\n", + "Malicious Driver Detection event 0x%02x on RX queue %d of function 0x%02x\n", event, queue, func); wr32(hw, I40E_GL_MDET_RX, 0xffffffff); mdd_detected = true; @@ -5448,7 +5812,6 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) **/ static void i40e_sync_vxlan_filters_subtask(struct i40e_pf *pf) { - const int vxlan_hdr_qwords = 4; struct i40e_hw *hw = &pf->hw; i40e_status ret; u8 filter_index; @@ -5466,7 +5829,6 @@ static void i40e_sync_vxlan_filters_subtask(struct i40e_pf *pf) port = pf->vxlan_ports[i]; ret = port ? i40e_aq_add_udp_tunnel(hw, ntohs(port), - vxlan_hdr_qwords, I40E_AQC_TUNNEL_TYPE_VXLAN, &filter_index, NULL) : i40e_aq_del_udp_tunnel(hw, i, NULL); @@ -5645,15 +6007,15 @@ static int i40e_vsi_mem_alloc(struct i40e_pf *pf, enum i40e_vsi_type type) * find next empty vsi slot, looping back around if necessary */ i = pf->next_vsi; - while (i < pf->hw.func_caps.num_vsis && pf->vsi[i]) + while (i < pf->num_alloc_vsi && pf->vsi[i]) i++; - if (i >= pf->hw.func_caps.num_vsis) { + if (i >= pf->num_alloc_vsi) { i = 0; while (i < pf->next_vsi && pf->vsi[i]) i++; } - if (i < pf->hw.func_caps.num_vsis && !pf->vsi[i]) { + if (i < pf->num_alloc_vsi && !pf->vsi[i]) { vsi_idx = i; /* Found one! */ } else { ret = -ENODEV; @@ -5676,6 +6038,7 @@ static int i40e_vsi_mem_alloc(struct i40e_pf *pf, enum i40e_vsi_type type) vsi->netdev_registered = false; vsi->work_limit = I40E_DEFAULT_IRQ_WORK; INIT_LIST_HEAD(&vsi->mac_filter_list); + vsi->irqs_ready = false; ret = i40e_set_num_rings_in_vsi(vsi); if (ret) @@ -5793,14 +6156,12 @@ static void i40e_vsi_clear_rings(struct i40e_vsi *vsi) **/ static int i40e_alloc_rings(struct i40e_vsi *vsi) { + struct i40e_ring *tx_ring, *rx_ring; struct i40e_pf *pf = vsi->back; int i; /* Set basic values in the rings to be used later during open() */ for (i = 0; i < vsi->alloc_queue_pairs; i++) { - struct i40e_ring *tx_ring; - struct i40e_ring *rx_ring; - /* allocate space for both Tx and Rx in one shot */ tx_ring = kzalloc(sizeof(struct i40e_ring) * 2, GFP_KERNEL); if (!tx_ring) @@ -5850,34 +6211,11 @@ err_out: **/ static int i40e_reserve_msix_vectors(struct i40e_pf *pf, int vectors) { - int err = 0; - - pf->num_msix_entries = 0; - while (vectors >= I40E_MIN_MSIX) { - err = pci_enable_msix(pf->pdev, pf->msix_entries, vectors); - if (err == 0) { - /* good to go */ - pf->num_msix_entries = vectors; - break; - } else if (err < 0) { - /* total failure */ - dev_info(&pf->pdev->dev, - "MSI-X vector reservation failed: %d\n", err); - vectors = 0; - break; - } else { - /* err > 0 is the hint for retry */ - dev_info(&pf->pdev->dev, - "MSI-X vectors wanted %d, retrying with %d\n", - vectors, err); - vectors = err; - } - } - - if (vectors > 0 && vectors < I40E_MIN_MSIX) { + vectors = pci_enable_msix_range(pf->pdev, pf->msix_entries, + I40E_MIN_MSIX, vectors); + if (vectors < 0) { dev_info(&pf->pdev->dev, - "Couldn't get enough vectors, only %d available\n", - vectors); + "MSI-X vector reservation failed: %d\n", vectors); vectors = 0; } @@ -5934,6 +6272,16 @@ static int i40e_init_msix(struct i40e_pf *pf) for (i = 0; i < v_budget; i++) pf->msix_entries[i].entry = i; vec = i40e_reserve_msix_vectors(pf, v_budget); + + if (vec != v_budget) { + /* If we have limited resources, we will start with no vectors + * for the special features and then allocate vectors to some + * of these features based on the policy and at the end disable + * the features that did not get any vectors. + */ + pf->num_vmdq_msix = 0; + } + if (vec < I40E_MIN_MSIX) { pf->flags &= ~I40E_FLAG_MSIX_ENABLED; kfree(pf->msix_entries); @@ -5942,27 +6290,25 @@ static int i40e_init_msix(struct i40e_pf *pf) } else if (vec == I40E_MIN_MSIX) { /* Adjust for minimal MSIX use */ - dev_info(&pf->pdev->dev, "Features disabled, not enough MSIX vectors\n"); - pf->flags &= ~I40E_FLAG_VMDQ_ENABLED; pf->num_vmdq_vsis = 0; pf->num_vmdq_qps = 0; - pf->num_vmdq_msix = 0; pf->num_lan_qps = 1; pf->num_lan_msix = 1; } else if (vec != v_budget) { + /* reserve the misc vector */ + vec--; + /* Scale vector usage down */ pf->num_vmdq_msix = 1; /* force VMDqs to only one vector */ - vec--; /* reserve the misc vector */ + pf->num_vmdq_vsis = 1; /* partition out the remaining vectors */ switch (vec) { case 2: - pf->num_vmdq_vsis = 1; pf->num_lan_msix = 1; break; case 3: - pf->num_vmdq_vsis = 1; pf->num_lan_msix = 2; break; default: @@ -5974,17 +6320,22 @@ static int i40e_init_msix(struct i40e_pf *pf) } } + if ((pf->flags & I40E_FLAG_VMDQ_ENABLED) && + (pf->num_vmdq_msix == 0)) { + dev_info(&pf->pdev->dev, "VMDq disabled, not enough MSI-X vectors\n"); + pf->flags &= ~I40E_FLAG_VMDQ_ENABLED; + } return err; } /** - * i40e_alloc_q_vector - Allocate memory for a single interrupt vector + * i40e_vsi_alloc_q_vector - Allocate memory for a single interrupt vector * @vsi: the VSI being configured * @v_idx: index of the vector in the vsi struct * * We allocate one q_vector. If allocation fails we return -ENOMEM. **/ -static int i40e_alloc_q_vector(struct i40e_vsi *vsi, int v_idx) +static int i40e_vsi_alloc_q_vector(struct i40e_vsi *vsi, int v_idx) { struct i40e_q_vector *q_vector; @@ -5998,7 +6349,7 @@ static int i40e_alloc_q_vector(struct i40e_vsi *vsi, int v_idx) cpumask_set_cpu(v_idx, &q_vector->affinity_mask); if (vsi->netdev) netif_napi_add(vsi->netdev, &q_vector->napi, - i40e_napi_poll, vsi->work_limit); + i40e_napi_poll, NAPI_POLL_WEIGHT); q_vector->rx.latency_range = I40E_LOW_LATENCY; q_vector->tx.latency_range = I40E_LOW_LATENCY; @@ -6010,13 +6361,13 @@ static int i40e_alloc_q_vector(struct i40e_vsi *vsi, int v_idx) } /** - * i40e_alloc_q_vectors - Allocate memory for interrupt vectors + * i40e_vsi_alloc_q_vectors - Allocate memory for interrupt vectors * @vsi: the VSI being configured * * We allocate one q_vector per queue interrupt. If allocation fails we * return -ENOMEM. **/ -static int i40e_alloc_q_vectors(struct i40e_vsi *vsi) +static int i40e_vsi_alloc_q_vectors(struct i40e_vsi *vsi) { struct i40e_pf *pf = vsi->back; int v_idx, num_q_vectors; @@ -6031,7 +6382,7 @@ static int i40e_alloc_q_vectors(struct i40e_vsi *vsi) return -EINVAL; for (v_idx = 0; v_idx < num_q_vectors; v_idx++) { - err = i40e_alloc_q_vector(vsi, v_idx); + err = i40e_vsi_alloc_q_vector(vsi, v_idx); if (err) goto err_out; } @@ -6058,7 +6409,7 @@ static void i40e_init_interrupt_scheme(struct i40e_pf *pf) if (err) { pf->flags &= ~(I40E_FLAG_MSIX_ENABLED | I40E_FLAG_RSS_ENABLED | - I40E_FLAG_DCB_ENABLED | + I40E_FLAG_DCB_CAPABLE | I40E_FLAG_SRIOV_ENABLED | I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED | @@ -6071,7 +6422,7 @@ static void i40e_init_interrupt_scheme(struct i40e_pf *pf) if (!(pf->flags & I40E_FLAG_MSIX_ENABLED) && (pf->flags & I40E_FLAG_MSI_ENABLED)) { - dev_info(&pf->pdev->dev, "MSIX not available, trying MSI\n"); + dev_info(&pf->pdev->dev, "MSI-X not available, trying MSI\n"); err = pci_enable_msi(pf->pdev); if (err) { dev_info(&pf->pdev->dev, "MSI init failed - %d\n", err); @@ -6080,7 +6431,7 @@ static void i40e_init_interrupt_scheme(struct i40e_pf *pf) } if (!(pf->flags & (I40E_FLAG_MSIX_ENABLED | I40E_FLAG_MSI_ENABLED))) - dev_info(&pf->pdev->dev, "MSIX and MSI not available, falling back to Legacy IRQ\n"); + dev_info(&pf->pdev->dev, "MSI-X and MSI not available, falling back to Legacy IRQ\n"); /* track first vector for misc interrupts */ err = i40e_get_lump(pf, pf->irq_pile, 1, I40E_PILE_VALID_BIT-1); @@ -6107,7 +6458,8 @@ static int i40e_setup_misc_vector(struct i40e_pf *pf) i40e_intr, 0, pf->misc_int_name, pf); if (err) { dev_info(&pf->pdev->dev, - "request_irq for msix_misc failed: %d\n", err); + "request_irq for %s failed: %d\n", + pf->misc_int_name, err); return -EFAULT; } } @@ -6190,7 +6542,6 @@ int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count) return 0; queue_count = min_t(int, queue_count, pf->rss_size_max); - queue_count = rounddown_pow_of_two(queue_count); if (queue_count != pf->rss_size) { i40e_prep_for_reset(pf); @@ -6233,6 +6584,10 @@ static int i40e_sw_init(struct i40e_pf *pf) I40E_FLAG_MSIX_ENABLED | I40E_FLAG_RX_1BUF_ENABLED; + /* Set default ITR */ + pf->rx_itr_default = I40E_ITR_DYNAMIC | I40E_ITR_RX_DEF; + pf->tx_itr_default = I40E_ITR_DYNAMIC | I40E_ITR_TX_DEF; + /* Depending on PF configurations, it is possible that the RSS * maximum might end up larger than the available queues */ @@ -6242,7 +6597,6 @@ static int i40e_sw_init(struct i40e_pf *pf) if (pf->hw.func_caps.rss) { pf->flags |= I40E_FLAG_RSS_ENABLED; pf->rss_size = min_t(int, pf->rss_size_max, num_online_cpus()); - pf->rss_size = rounddown_pow_of_two(pf->rss_size); } else { pf->rss_size = 1; } @@ -6258,15 +6612,15 @@ static int i40e_sw_init(struct i40e_pf *pf) (pf->hw.func_caps.fd_filters_best_effort > 0)) { pf->flags |= I40E_FLAG_FD_ATR_ENABLED; pf->atr_sample_rate = I40E_DEFAULT_ATR_SAMPLE_RATE; - dev_info(&pf->pdev->dev, - "Flow Director ATR mode Enabled\n"); + /* Setup a counter for fd_atr per pf */ + pf->fd_atr_cnt_idx = I40E_FD_ATR_STAT_IDX(pf->hw.pf_id); if (!(pf->flags & I40E_FLAG_MFP_ENABLED)) { pf->flags |= I40E_FLAG_FD_SB_ENABLED; - dev_info(&pf->pdev->dev, - "Flow Director Side Band mode Enabled\n"); + /* Setup a counter for fd_sb per pf */ + pf->fd_sb_cnt_idx = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); } else { dev_info(&pf->pdev->dev, - "Flow Director Side Band mode Disabled in MFP mode\n"); + "Flow Director Sideband mode Disabled in MFP mode\n"); } pf->fdir_pf_filter_count = pf->hw.func_caps.fd_filters_guaranteed; @@ -6287,9 +6641,6 @@ static int i40e_sw_init(struct i40e_pf *pf) pf->num_req_vfs = min_t(int, pf->hw.func_caps.num_vfs, I40E_MAX_VF_COUNT); - dev_info(&pf->pdev->dev, - "Number of VFs being requested for PF[%d] = %d\n", - pf->hw.pf_id, pf->num_req_vfs); } #endif /* CONFIG_PCI_IOV */ pf->eeprom_version = 0xDEAD; @@ -6326,6 +6677,39 @@ sw_init_done: } /** + * i40e_set_ntuple - set the ntuple feature flag and take action + * @pf: board private structure to initialize + * @features: the feature set that the stack is suggesting + * + * returns a bool to indicate if reset needs to happen + **/ +bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features) +{ + bool need_reset = false; + + /* Check if Flow Director n-tuple support was enabled or disabled. If + * the state changed, we need to reset. + */ + if (features & NETIF_F_NTUPLE) { + /* Enable filters and mark for reset */ + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) + need_reset = true; + pf->flags |= I40E_FLAG_FD_SB_ENABLED; + } else { + /* turn off filters, mark for reset and clear SW filter list */ + if (pf->flags & I40E_FLAG_FD_SB_ENABLED) { + need_reset = true; + i40e_fdir_filter_exit(pf); + } + pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; + /* if ATR was disabled it can be re-enabled. */ + if (!(pf->flags & I40E_FLAG_FD_ATR_ENABLED)) + pf->flags |= I40E_FLAG_FD_ATR_ENABLED; + } + return need_reset; +} + +/** * i40e_set_features - set the netdev feature flags * @netdev: ptr to the netdev being adjusted * @features: the feature set that the stack is suggesting @@ -6335,12 +6719,19 @@ static int i40e_set_features(struct net_device *netdev, { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + bool need_reset; if (features & NETIF_F_HW_VLAN_CTAG_RX) i40e_vlan_stripping_enable(vsi); else i40e_vlan_stripping_disable(vsi); + need_reset = i40e_set_ntuple(pf, features); + + if (need_reset) + i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); + return 0; } @@ -6442,6 +6833,96 @@ static void i40e_del_vxlan_port(struct net_device *netdev, } #endif +#ifdef HAVE_FDB_OPS +#ifdef USE_CONST_DEV_UC_CHAR +static int i40e_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 flags) +#else +static int i40e_ndo_fdb_add(struct ndmsg *ndm, + struct net_device *dev, + unsigned char *addr, + u16 flags) +#endif +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_pf *pf = np->vsi->back; + int err = 0; + + if (!(pf->flags & I40E_FLAG_SRIOV_ENABLED)) + return -EOPNOTSUPP; + + /* Hardware does not support aging addresses so if a + * ndm_state is given only allow permanent addresses + */ + if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { + netdev_info(dev, "FDB only supports static addresses\n"); + return -EINVAL; + } + + if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) + err = dev_uc_add_excl(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_add_excl(dev, addr); + else + err = -EINVAL; + + /* Only return duplicate errors if NLM_F_EXCL is set */ + if (err == -EEXIST && !(flags & NLM_F_EXCL)) + err = 0; + + return err; +} + +#ifndef USE_DEFAULT_FDB_DEL_DUMP +#ifdef USE_CONST_DEV_UC_CHAR +static int i40e_ndo_fdb_del(struct ndmsg *ndm, + struct net_device *dev, + const unsigned char *addr) +#else +static int i40e_ndo_fdb_del(struct ndmsg *ndm, + struct net_device *dev, + unsigned char *addr) +#endif +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_pf *pf = np->vsi->back; + int err = -EOPNOTSUPP; + + if (ndm->ndm_state & NUD_PERMANENT) { + netdev_info(dev, "FDB only supports static addresses\n"); + return -EINVAL; + } + + if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { + if (is_unicast_ether_addr(addr)) + err = dev_uc_del(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_del(dev, addr); + else + err = -EINVAL; + } + + return err; +} + +static int i40e_ndo_fdb_dump(struct sk_buff *skb, + struct netlink_callback *cb, + struct net_device *dev, + int idx) +{ + struct i40e_netdev_priv *np = netdev_priv(dev); + struct i40e_pf *pf = np->vsi->back; + + if (pf->flags & I40E_FLAG_SRIOV_ENABLED) + idx = ndo_dflt_fdb_dump(skb, cb, dev, idx); + + return idx; +} + +#endif /* USE_DEFAULT_FDB_DEL_DUMP */ +#endif /* HAVE_FDB_OPS */ static const struct net_device_ops i40e_netdev_ops = { .ndo_open = i40e_open, .ndo_stop = i40e_close, @@ -6462,12 +6943,21 @@ static const struct net_device_ops i40e_netdev_ops = { .ndo_set_features = i40e_set_features, .ndo_set_vf_mac = i40e_ndo_set_vf_mac, .ndo_set_vf_vlan = i40e_ndo_set_vf_port_vlan, - .ndo_set_vf_tx_rate = i40e_ndo_set_vf_bw, + .ndo_set_vf_rate = i40e_ndo_set_vf_bw, .ndo_get_vf_config = i40e_ndo_get_vf_config, + .ndo_set_vf_link_state = i40e_ndo_set_vf_link_state, + .ndo_set_vf_spoofchk = i40e_ndo_set_vf_spoofck, #ifdef CONFIG_I40E_VXLAN .ndo_add_vxlan_port = i40e_add_vxlan_port, .ndo_del_vxlan_port = i40e_del_vxlan_port, #endif +#ifdef HAVE_FDB_OPS + .ndo_fdb_add = i40e_ndo_fdb_add, +#ifndef USE_DEFAULT_FDB_DEL_DUMP + .ndo_fdb_del = i40e_ndo_fdb_del, + .ndo_fdb_dump = i40e_ndo_fdb_dump, +#endif +#endif }; /** @@ -6495,10 +6985,9 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) np = netdev_priv(netdev); np->vsi = vsi; - netdev->hw_enc_features = NETIF_F_IP_CSUM | + netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_GSO_UDP_TUNNEL | - NETIF_F_TSO | - NETIF_F_SG; + NETIF_F_TSO; netdev->features = NETIF_F_SG | NETIF_F_IP_CSUM | @@ -6510,17 +6999,29 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_IPV6_CSUM | NETIF_F_TSO | + NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_RXCSUM | NETIF_F_RXHASH | 0; + if (!(pf->flags & I40E_FLAG_MFP_ENABLED)) + netdev->features |= NETIF_F_NTUPLE; + /* copy netdev features into list of user selectable features */ netdev->hw_features |= netdev->features; if (vsi->type == I40E_VSI_MAIN) { SET_NETDEV_DEV(netdev, &pf->pdev->dev); - memcpy(mac_addr, hw->mac.perm_addr, ETH_ALEN); + ether_addr_copy(mac_addr, hw->mac.perm_addr); + /* The following two steps are necessary to prevent reception + * of tagged packets - by default the NVM loads a MAC-VLAN + * filter that will accept any tagged packet. This is to + * prevent that during normal operations until a specific + * VLAN tag filter has been set. + */ + i40e_rm_default_mac_filter(vsi, mac_addr); + i40e_add_filter(vsi, mac_addr, I40E_VLAN_ANY, false, true); } else { /* relate the VSI_VMDQ name to the VSI_MAIN name */ snprintf(netdev->name, IFNAMSIZ, "%sv%%d", @@ -6530,8 +7031,8 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) } i40e_add_filter(vsi, brdcast, I40E_VLAN_ANY, false, false); - memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); - memcpy(netdev->perm_addr, mac_addr, ETH_ALEN); + ether_addr_copy(netdev->dev_addr, mac_addr); + ether_addr_copy(netdev->perm_addr, mac_addr); /* vlan gets same features (except vlan offload) * after any tweaks for specific VSI types */ @@ -6563,7 +7064,6 @@ static void i40e_vsi_delete(struct i40e_vsi *vsi) return; i40e_aq_delete_element(&vsi->back->hw, vsi->seid, NULL); - return; } /** @@ -6689,6 +7189,13 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) ctxt.info.valid_sections |= cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID); ctxt.info.port_vlan_flags |= I40E_AQ_VSI_PVLAN_MODE_ALL; + if (pf->vf[vsi->vf_id].spoofchk) { + ctxt.info.valid_sections |= + cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); + ctxt.info.sec_flags |= + (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK | + I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK); + } /* Setup the VSI tx/rx queue map for TC0 only for now */ i40e_vsi_setup_queue_map(vsi, &ctxt, enabled_tc, true); break; @@ -6771,15 +7278,9 @@ int i40e_vsi_release(struct i40e_vsi *vsi) if (vsi->netdev) { /* results in a call to i40e_close() */ unregister_netdev(vsi->netdev); - free_netdev(vsi->netdev); - vsi->netdev = NULL; } } else { - if (!test_and_set_bit(__I40E_DOWN, &vsi->state)) - i40e_down(vsi); - i40e_vsi_free_irq(vsi); - i40e_vsi_free_tx_resources(vsi); - i40e_vsi_free_rx_resources(vsi); + i40e_vsi_close(vsi); } i40e_vsi_disable_irq(vsi); } @@ -6791,6 +7292,10 @@ int i40e_vsi_release(struct i40e_vsi *vsi) i40e_vsi_delete(vsi); i40e_vsi_free_q_vectors(vsi); + if (vsi->netdev) { + free_netdev(vsi->netdev); + vsi->netdev = NULL; + } i40e_vsi_clear_rings(vsi); i40e_vsi_clear(vsi); @@ -6802,7 +7307,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi) * the orphan VEBs yet. We'll wait for an explicit remove request * from up the network stack. */ - for (n = 0, i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (n = 0, i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->uplink_seid == uplink_seid && (pf->vsi[i]->flags & I40E_VSI_FLAG_VEB_OWNER) == 0) { @@ -6845,13 +7350,12 @@ static int i40e_vsi_setup_vectors(struct i40e_vsi *vsi) } if (vsi->base_vector) { - dev_info(&pf->pdev->dev, - "VSI %d has non-zero base vector %d\n", + dev_info(&pf->pdev->dev, "VSI %d has non-zero base vector %d\n", vsi->seid, vsi->base_vector); return -EEXIST; } - ret = i40e_alloc_q_vectors(vsi); + ret = i40e_vsi_alloc_q_vectors(vsi); if (ret) { dev_info(&pf->pdev->dev, "failed to allocate %d q_vector for VSI %d, ret=%d\n", @@ -6865,7 +7369,7 @@ static int i40e_vsi_setup_vectors(struct i40e_vsi *vsi) vsi->num_q_vectors, vsi->idx); if (vsi->base_vector < 0) { dev_info(&pf->pdev->dev, - "failed to get q tracking for VSI %d, err=%d\n", + "failed to get queue tracking for VSI %d, err=%d\n", vsi->seid, vsi->base_vector); i40e_vsi_free_q_vectors(vsi); ret = -ENOENT; @@ -6982,7 +7486,7 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, if (!veb && uplink_seid != pf->mac_seid) { - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->seid == uplink_seid) { vsi = pf->vsi[i]; break; @@ -7225,7 +7729,7 @@ static void i40e_switch_branch_release(struct i40e_veb *branch) * NOTE: Removing the last VSI on a VEB has the SIDE EFFECT of removing * the VEB itself, so don't use (*branch) after this loop. */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (!pf->vsi[i]) continue; if (pf->vsi[i]->uplink_seid == branch_seid && @@ -7277,7 +7781,7 @@ void i40e_veb_release(struct i40e_veb *veb) pf = veb->pf; /* find the remaining VSI and check for extras */ - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i] && pf->vsi[i]->uplink_seid == veb->seid) { n++; vsi = pf->vsi[i]; @@ -7306,8 +7810,6 @@ void i40e_veb_release(struct i40e_veb *veb) i40e_aq_delete_element(&pf->hw, veb->seid, NULL); i40e_veb_clear(veb); - - return; } /** @@ -7391,10 +7893,10 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, } /* make sure there is such a vsi and uplink */ - for (vsi_idx = 0; vsi_idx < pf->hw.func_caps.num_vsis; vsi_idx++) + for (vsi_idx = 0; vsi_idx < pf->num_alloc_vsi; vsi_idx++) if (pf->vsi[vsi_idx] && pf->vsi[vsi_idx]->seid == vsi_seid) break; - if (vsi_idx >= pf->hw.func_caps.num_vsis && vsi_seid != 0) { + if (vsi_idx >= pf->num_alloc_vsi && vsi_seid != 0) { dev_info(&pf->pdev->dev, "vsi seid %d not found\n", vsi_seid); return NULL; @@ -7429,6 +7931,8 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, ret = i40e_add_veb(veb, pf->vsi[vsi_idx]); if (ret) goto err_veb; + if (vsi_idx == pf->lan_vsi) + pf->lan_veb = veb->idx; return veb; @@ -7564,15 +8068,6 @@ int i40e_fetch_switch_configuration(struct i40e_pf *pf, bool printconfig) "header: %d reported %d total\n", num_reported, num_total); - if (num_reported) { - int sz = sizeof(*sw_config) * num_reported; - - kfree(pf->sw_config); - pf->sw_config = kzalloc(sz, GFP_KERNEL); - if (pf->sw_config) - memcpy(pf->sw_config, sw_config, sz); - } - for (i = 0; i < num_reported; i++) { struct i40e_aqc_switch_config_element_resp *ele = &sw_config->element[i]; @@ -7739,9 +8234,7 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) queues_left = pf->hw.func_caps.num_tx_qp; if ((queues_left == 1) || - !(pf->flags & I40E_FLAG_MSIX_ENABLED) || - !(pf->flags & (I40E_FLAG_RSS_ENABLED | I40E_FLAG_FD_SB_ENABLED | - I40E_FLAG_DCB_ENABLED))) { + !(pf->flags & I40E_FLAG_MSIX_ENABLED)) { /* one qp for PF, no queues for anything else */ queues_left = 0; pf->rss_size = pf->num_lan_qps = 1; @@ -7750,14 +8243,27 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) pf->flags &= ~(I40E_FLAG_RSS_ENABLED | I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED | - I40E_FLAG_DCB_ENABLED | + I40E_FLAG_DCB_CAPABLE | I40E_FLAG_SRIOV_ENABLED | I40E_FLAG_VMDQ_ENABLED); + } else if (!(pf->flags & (I40E_FLAG_RSS_ENABLED | + I40E_FLAG_FD_SB_ENABLED | + I40E_FLAG_FD_ATR_ENABLED | + I40E_FLAG_DCB_CAPABLE))) { + /* one qp for PF */ + pf->rss_size = pf->num_lan_qps = 1; + queues_left -= pf->num_lan_qps; + + pf->flags &= ~(I40E_FLAG_RSS_ENABLED | + I40E_FLAG_FD_SB_ENABLED | + I40E_FLAG_FD_ATR_ENABLED | + I40E_FLAG_DCB_ENABLED | + I40E_FLAG_VMDQ_ENABLED); } else { /* Not enough queues for all TCs */ - if ((pf->flags & I40E_FLAG_DCB_ENABLED) && + if ((pf->flags & I40E_FLAG_DCB_CAPABLE) && (queues_left < I40E_MAX_TRAFFIC_CLASS)) { - pf->flags &= ~I40E_FLAG_DCB_ENABLED; + pf->flags &= ~I40E_FLAG_DCB_CAPABLE; dev_info(&pf->pdev->dev, "not enough queues for DCB. DCB is disabled.\n"); } pf->num_lan_qps = pf->rss_size_max; @@ -7788,7 +8294,6 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) } pf->queues_left = queues_left; - return; } /** @@ -7822,6 +8327,45 @@ static int i40e_setup_pf_filter_control(struct i40e_pf *pf) return 0; } +#define INFO_STRING_LEN 255 +static void i40e_print_features(struct i40e_pf *pf) +{ + struct i40e_hw *hw = &pf->hw; + char *buf, *string; + + string = kzalloc(INFO_STRING_LEN, GFP_KERNEL); + if (!string) { + dev_err(&pf->pdev->dev, "Features string allocation failed\n"); + return; + } + + buf = string; + + buf += sprintf(string, "Features: PF-id[%d] ", hw->pf_id); +#ifdef CONFIG_PCI_IOV + buf += sprintf(buf, "VFs: %d ", pf->num_req_vfs); +#endif + buf += sprintf(buf, "VSIs: %d QP: %d ", pf->hw.func_caps.num_vsis, + pf->vsi[pf->lan_vsi]->num_queue_pairs); + + if (pf->flags & I40E_FLAG_RSS_ENABLED) + buf += sprintf(buf, "RSS "); + if (pf->flags & I40E_FLAG_FD_ATR_ENABLED) + buf += sprintf(buf, "FD_ATR "); + if (pf->flags & I40E_FLAG_FD_SB_ENABLED) { + buf += sprintf(buf, "FD_SB "); + buf += sprintf(buf, "NTUPLE "); + } + if (pf->flags & I40E_FLAG_DCB_CAPABLE) + buf += sprintf(buf, "DCB "); + if (pf->flags & I40E_FLAG_PTP) + buf += sprintf(buf, "PTP "); + + BUG_ON(buf > (string + INFO_STRING_LEN)); + dev_info(&pf->pdev->dev, "%s\n", string); + kfree(string); +} + /** * i40e_probe - Device initialization routine * @pdev: PCI device information struct @@ -7835,30 +8379,27 @@ static int i40e_setup_pf_filter_control(struct i40e_pf *pf) **/ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - struct i40e_driver_version dv; struct i40e_pf *pf; struct i40e_hw *hw; static u16 pfs_found; u16 link_status; int err = 0; u32 len; + u32 i; err = pci_enable_device_mem(pdev); if (err) return err; /* set up for high or low dma */ - if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { - /* coherent mask for the same size will always succeed if - * dma_set_mask does - */ - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); - } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); - } else { - dev_err(&pdev->dev, "DMA configuration failed: %d\n", err); - err = -EIO; - goto err_dma; + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (err) { + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { + dev_err(&pdev->dev, + "DMA configuration failed: 0x%x\n", err); + goto err_dma; + } } /* set up pci connections */ @@ -7946,13 +8487,6 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = i40e_init_adminq(hw); dev_info(&pdev->dev, "%s\n", i40e_fw_version_str(hw)); - if (((hw->nvm.version & I40E_NVM_VERSION_HI_MASK) - >> I40E_NVM_VERSION_HI_SHIFT) != I40E_CURRENT_NVM_VERSION_HI) { - dev_info(&pdev->dev, - "warning: NVM version not supported, supported version: %02x.%02x\n", - I40E_CURRENT_NVM_VERSION_HI, - I40E_CURRENT_NVM_VERSION_LO); - } if (err) { dev_info(&pdev->dev, "init_adminq failed: %d expecting API %02x.%02x\n", @@ -7961,6 +8495,12 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_pf_reset; } + i40e_verify_eeprom(pf); + + /* Rev 0 hardware was never productized */ + if (hw->revision_id < 1) + dev_warn(&pdev->dev, "This device is a pre-production adapter/LOM. Please be aware there may be issues with your hardware. If you are experiencing problems please contact your Intel or hardware representative who provided you with this hardware.\n"); + i40e_clear_pxe_mode(hw); err = i40e_get_capabilities(pf); if (err) @@ -7994,7 +8534,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_mac_addr; } dev_info(&pdev->dev, "MAC address: %pM\n", hw->mac.addr); - memcpy(hw->mac.perm_addr, hw->mac.addr, ETH_ALEN); + ether_addr_copy(hw->mac.perm_addr, hw->mac.addr); pci_set_drvdata(pdev, pf); pci_save_state(pdev); @@ -8002,8 +8542,8 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = i40e_init_pf_dcb(pf); if (err) { dev_info(&pdev->dev, "init_pf_dcb failed: %d\n", err); - pf->flags &= ~I40E_FLAG_DCB_ENABLED; - goto err_init_dcb; + pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + /* Continue without DCB enabled */ } #endif /* CONFIG_I40E_DCB */ @@ -8024,10 +8564,18 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i40e_determine_queue_usage(pf); i40e_init_interrupt_scheme(pf); - /* Set up the *vsi struct based on the number of VSIs in the HW, - * and set up our local tracking of the MAIN PF vsi. + /* The number of VSIs reported by the FW is the minimum guaranteed + * to us; HW supports far more and we share the remaining pool with + * the other PFs. We allocate space for more than the guarantee with + * the understanding that we might not get them all later. */ - len = sizeof(struct i40e_vsi *) * pf->hw.func_caps.num_vsis; + if (pf->hw.func_caps.num_vsis < I40E_MIN_VSI_ALLOC) + pf->num_alloc_vsi = I40E_MIN_VSI_ALLOC; + else + pf->num_alloc_vsi = pf->hw.func_caps.num_vsis; + + /* Set up the *vsi struct and our local tracking of the MAIN PF vsi. */ + len = sizeof(struct i40e_vsi *) * pf->num_alloc_vsi; pf->vsi = kzalloc(len, GFP_KERNEL); if (!pf->vsi) { err = -ENOMEM; @@ -8039,6 +8587,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_info(&pdev->dev, "setup_pf_switch failed: %d\n", err); goto err_vsis; } + /* if FDIR VSI was set up, start it now */ + for (i = 0; i < pf->num_alloc_vsi; i++) { + if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) { + i40e_vsi_open(pf->vsi[i]); + break; + } + } /* The main driver is (mostly) up and happy. We need to set this state * before setting up the misc vector or we get a race and the vector @@ -8060,9 +8615,11 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } +#ifdef CONFIG_PCI_IOV /* prep for VF support */ if ((pf->flags & I40E_FLAG_SRIOV_ENABLED) && - (pf->flags & I40E_FLAG_MSIX_ENABLED)) { + (pf->flags & I40E_FLAG_MSIX_ENABLED) && + !test_bit(__I40E_BAD_EEPROM, &pf->state)) { u32 val; /* disable link interrupts for VFs */ @@ -8070,18 +8627,25 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK; wr32(hw, I40E_PFGEN_PORTMDIO_NUM, val); i40e_flush(hw); + + if (pci_num_vf(pdev)) { + dev_info(&pdev->dev, + "Active VFs found, allocating resources.\n"); + err = i40e_alloc_vfs(pf, pci_num_vf(pdev)); + if (err) + dev_info(&pdev->dev, + "Error %d allocating resources for existing VFs\n", + err); + } } +#endif /* CONFIG_PCI_IOV */ pfs_found++; i40e_dbg_pf_init(pf); /* tell the firmware that we're starting */ - dv.major_version = DRV_VERSION_MAJOR; - dv.minor_version = DRV_VERSION_MINOR; - dv.build_version = DRV_VERSION_BUILD; - dv.subbuild_version = 0; - i40e_aq_send_driver_version(&pf->hw, &dv, NULL); + i40e_send_version(pf); /* since everything's happy, start the service_task timer */ mod_timer(&pf->service_timer, @@ -8092,7 +8656,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i40e_set_pci_config_data(hw, link_status); - dev_info(&pdev->dev, "PCI Express: %s %s\n", + dev_info(&pdev->dev, "PCI-Express: %s %s\n", (hw->bus.speed == i40e_bus_speed_8000 ? "Speed 8.0GT/s" : hw->bus.speed == i40e_bus_speed_5000 ? "Speed 5.0GT/s" : hw->bus.speed == i40e_bus_speed_2500 ? "Speed 2.5GT/s" : @@ -8109,6 +8673,9 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_warn(&pdev->dev, "Please move the device to a different PCI-e link with more lanes and/or higher transfer rate.\n"); } + /* print a string summarizing features */ + i40e_print_features(pf); + return 0; /* Unwind what we've done if something failed in the setup */ @@ -8119,9 +8686,6 @@ err_vsis: err_switch_setup: i40e_reset_interrupt_capability(pf); del_timer_sync(&pf->service_timer); -#ifdef CONFIG_I40E_DCB -err_init_dcb: -#endif /* CONFIG_I40E_DCB */ err_mac_addr: err_configure_lan_hmc: (void)i40e_shutdown_lan_hmc(hw); @@ -8165,16 +8729,16 @@ static void i40e_remove(struct pci_dev *pdev) i40e_ptp_stop(pf); - if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { - i40e_free_vfs(pf); - pf->flags &= ~I40E_FLAG_SRIOV_ENABLED; - } - /* no more scheduling of any task */ set_bit(__I40E_DOWN, &pf->state); del_timer_sync(&pf->service_timer); cancel_work_sync(&pf->service_task); + if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { + i40e_free_vfs(pf); + pf->flags &= ~I40E_FLAG_SRIOV_ENABLED; + } + i40e_fdir_teardown(pf); /* If there is a switch structure or any orphans, remove them. @@ -8202,10 +8766,13 @@ static void i40e_remove(struct pci_dev *pdev) } /* shutdown and destroy the HMC */ - ret_code = i40e_shutdown_lan_hmc(&pf->hw); - if (ret_code) - dev_warn(&pdev->dev, - "Failed to destroy the HMC resources: %d\n", ret_code); + if (pf->hw.hmc.hmc_obj) { + ret_code = i40e_shutdown_lan_hmc(&pf->hw); + if (ret_code) + dev_warn(&pdev->dev, + "Failed to destroy the HMC resources: %d\n", + ret_code); + } /* shutdown the adminq */ ret_code = i40e_shutdown_adminq(&pf->hw); @@ -8216,7 +8783,7 @@ static void i40e_remove(struct pci_dev *pdev) /* Clear all dynamic memory lists of rings, q_vectors, and VSIs */ i40e_clear_interrupt_scheme(pf); - for (i = 0; i < pf->hw.func_caps.num_vsis; i++) { + for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i]) { i40e_vsi_clear_rings(pf->vsi[i]); i40e_vsi_clear(pf->vsi[i]); @@ -8231,7 +8798,6 @@ static void i40e_remove(struct pci_dev *pdev) kfree(pf->qp_pile); kfree(pf->irq_pile); - kfree(pf->sw_config); kfree(pf->vsi); /* force a PF reset to clean anything leftover */ |