diff options
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_base.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ethtool.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.c | 22 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_main.c | 40 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.h | 3 |
7 files changed, 69 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index cc5b85afd437..267942418847 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -854,6 +854,7 @@ ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, struct ice_q_stats stats, u64 *pkts, u64 *bytes); int ice_up(struct ice_vsi *vsi); int ice_down(struct ice_vsi *vsi); +int ice_down_up(struct ice_vsi *vsi); int ice_vsi_cfg(struct ice_vsi *vsi); struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi); int ice_vsi_determine_xdp_res(struct ice_vsi *vsi); diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c index 136d7911adb4..6f092e06054e 100644 --- a/drivers/net/ethernet/intel/ice/ice_base.c +++ b/drivers/net/ethernet/intel/ice/ice_base.c @@ -417,7 +417,7 @@ static int ice_setup_rx_ctx(struct ice_rx_ring *ring) /* Strip the Ethernet CRC bytes before the packet is posted to host * memory. */ - rlan_ctx.crcstrip = 1; + rlan_ctx.crcstrip = !(ring->flags & ICE_RX_FLAGS_CRC_STRIP_DIS); /* L2TSEL flag defines the reported L2 Tags in the receive descriptor * and it needs to remain 1 for non-DVM capable configurations to not diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index 0f0faa8dc7fb..ad6cffb2d3e0 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -1289,10 +1289,7 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) } if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { /* down and up VSI so that changes of Rx cfg are reflected. */ - if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { - ice_down(vsi); - ice_up(vsi); - } + ice_down_up(vsi); } /* don't allow modification of this flag when a single VF is in * promiscuous mode because it's not supported diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 679529040edd..afecf2494ad6 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -1563,6 +1563,22 @@ void ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) } /** + * ice_vsi_cfg_crc_strip - Configure CRC stripping for a VSI + * @vsi: VSI to be configured + * @disable: set to true to have FCS / CRC in the frame data + */ +void ice_vsi_cfg_crc_strip(struct ice_vsi *vsi, bool disable) +{ + int i; + + ice_for_each_rxq(vsi, i) + if (disable) + vsi->rx_rings[i]->flags |= ICE_RX_FLAGS_CRC_STRIP_DIS; + else + vsi->rx_rings[i]->flags &= ~ICE_RX_FLAGS_CRC_STRIP_DIS; +} + +/** * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI * @vsi: VSI to be configured */ @@ -3277,6 +3293,12 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) */ if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) ice_vsi_cfg_rss_lut_key(vsi); + + /* disable or enable CRC stripping */ + if (vsi->netdev) + ice_vsi_cfg_crc_strip(vsi, !!(vsi->netdev->features & + NETIF_F_RXFCS)); + break; case ICE_VSI_VF: ret = ice_vsi_alloc_q_vectors(vsi); diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h index 8712b1d2ceec..ec4bf0c89857 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_lib.h @@ -89,6 +89,8 @@ void ice_vsi_free_tx_rings(struct ice_vsi *vsi); void ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena); +void ice_vsi_cfg_crc_strip(struct ice_vsi *vsi, bool disable); + void ice_update_tx_ring_stats(struct ice_tx_ring *ring, u64 pkts, u64 bytes); void ice_update_rx_ring_stats(struct ice_rx_ring *ring, u64 pkts, u64 bytes); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index eb40526ee179..a827045198cc 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3374,6 +3374,11 @@ static void ice_set_netdev_features(struct net_device *netdev) if (is_dvm_ena) netdev->hw_features |= NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX; + + /* Leave CRC / FCS stripping enabled by default, but allow the value to + * be changed at runtime + */ + netdev->hw_features |= NETIF_F_RXFCS; } /** @@ -5977,6 +5982,16 @@ ice_set_features(struct net_device *netdev, netdev_features_t features) if (ret) return ret; + /* Turn on receive of FCS aka CRC, and after setting this + * flag the packet data will have the 4 byte CRC appended + */ + if (changed & NETIF_F_RXFCS) { + ice_vsi_cfg_crc_strip(vsi, !!(features & NETIF_F_RXFCS)); + ret = ice_down_up(vsi); + if (ret) + return ret; + } + if (changed & NETIF_F_NTUPLE) { bool ena = !!(features & NETIF_F_NTUPLE); @@ -6681,6 +6696,31 @@ int ice_down(struct ice_vsi *vsi) } /** + * ice_down_up - shutdown the VSI connection and bring it up + * @vsi: the VSI to be reconnected + */ +int ice_down_up(struct ice_vsi *vsi) +{ + int ret; + + /* if DOWN already set, nothing to do */ + if (test_and_set_bit(ICE_VSI_DOWN, vsi->state)) + return 0; + + ret = ice_down(vsi); + if (ret) + return ret; + + ret = ice_up(vsi); + if (ret) { + netdev_err(vsi->netdev, "reallocating resources failed during netdev features change, may need to reload driver\n"); + return ret; + } + + return 0; +} + +/** * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources * @vsi: VSI having resources allocated * diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h index ca902af54bb4..932b5661ec4d 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.h +++ b/drivers/net/ethernet/intel/ice/ice_txrx.h @@ -295,10 +295,11 @@ struct ice_rx_ring { struct xsk_buff_pool *xsk_pool; struct sk_buff *skb; dma_addr_t dma; /* physical address of ring */ -#define ICE_RX_FLAGS_RING_BUILD_SKB BIT(1) u64 cached_phctime; u8 dcb_tc; /* Traffic class of ring */ u8 ptp_rx; +#define ICE_RX_FLAGS_RING_BUILD_SKB BIT(1) +#define ICE_RX_FLAGS_CRC_STRIP_DIS BIT(2) u8 flags; } ____cacheline_internodealigned_in_smp; |