| Message ID | 20240103141115.9509-1-jan.sokolowski@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Anthony Nguyen |
| Headers | show |
| Series | [iwl-next,v1] ice: Add a new counter for Rx EIPE errors | expand |
On Wed, Jan 03, 2024 at 03:11:15PM +0100, Jan Sokolowski wrote: > From: Aniruddha Paul <aniruddha.paul@intel.com> > > HW incorrectly reports EIPE errors on encapsulated packets > with L2 padding inside inner packet. HW shows outer UDP/IPV4 > packet checksum errors as part of the EIPE flags of the > Rx descriptor. These are reported only if checksum offload > is enabled and L3/L4 parsed flag is valid in Rx descriptor. > > When that error is reported by HW, we don't act on it > instead of incrementing main Rx errors statistic as it > would normally happen. > > Add a new statistic to count these errors since we still want > to print them. > > Signed-off-by: Aniruddha Paul <aniruddha.paul@intel.com> > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Reviewed-by: Jan Glaza <jan.glaza@intel.com> > Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com> Reviewed-by: Simon Horman <horms@kernel.org>
> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of Jan Sokolowski > Sent: Wednesday, January 3, 2024 7:41 PM > To: intel-wired-lan@lists.osuosl.org > Cc: netdev@vger.kernel.org; Sokolowski, Jan <jan.sokolowski@intel.com>; Kitszel, Przemyslaw <przemyslaw.kitszel@intel.com>; Glaza, Jan <jan.glaza@intel.com>; Aniruddha Paul <aniruddha.paul@intel.com> > Subject: [Intel-wired-lan] [PATCH iwl-next v1] ice: Add a new counter for Rx EIPE errors > > From: Aniruddha Paul <aniruddha.paul@intel.com> > > HW incorrectly reports EIPE errors on encapsulated packets > with L2 padding inside inner packet. HW shows outer UDP/IPV4 > packet checksum errors as part of the EIPE flags of the > Rx descriptor. These are reported only if checksum offload > is enabled and L3/L4 parsed flag is valid in Rx descriptor. > > When that error is reported by HW, we don't act on it > instead of incrementing main Rx errors statistic as it > would normally happen. > > Add a new statistic to count these errors since we still want > to print them. > > Signed-off-by: Aniruddha Paul <aniruddha.paul@intel.com> > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Reviewed-by: Jan Glaza <jan.glaza@intel.com> > Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com> > --- > drivers/net/ethernet/intel/ice/ice.h | 1 + > drivers/net/ethernet/intel/ice/ice_ethtool.c | 1 + > drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 8 ++++++-- > 3 files changed, 8 insertions(+), 2 deletions(-) > Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 367b613d92c0..e841f6c4f1c4 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -606,6 +606,7 @@ struct ice_pf { wait_queue_head_t reset_wait_queue; u32 hw_csum_rx_error; + u32 hw_rx_eipe_error; u32 oicr_err_reg; struct msi_map oicr_irq; /* Other interrupt cause MSIX vector */ struct msi_map ll_ts_irq; /* LL_TS interrupt MSIX vector */ diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index a19b06f18e40..f25e43881df2 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -129,6 +129,7 @@ static const struct ice_stats ice_gstrings_pf_stats[] = { ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), + ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error), ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index 839e5da24ad5..f8f1d2bdc1be 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -143,8 +143,12 @@ ice_rx_csum(struct ice_rx_ring *ring, struct sk_buff *skb, ipv6 = (decoded.outer_ip == ICE_RX_PTYPE_OUTER_IP) && (decoded.outer_ip_ver == ICE_RX_PTYPE_OUTER_IPV6); - if (ipv4 && (rx_status0 & (BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S) | - BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S)))) + if (ipv4 && (rx_status0 & (BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S)))) { + ring->vsi->back->hw_rx_eipe_error++; + return; + } + + if (ipv4 && (rx_status0 & (BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S)))) goto checksum_fail; if (ipv6 && (rx_status0 & (BIT(ICE_RX_FLEX_DESC_STATUS0_IPV6EXADD_S))))