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| author | Tony Nguyen <anthony.l.nguyen@intel.com> | 2020-05-06 09:32:30 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2020-05-21 22:10:03 -0700 |
| commit | a4e82a81f57387803f950cc3d9d112bcc5553a3d (patch) | |
| tree | f09cb77f3b5ecfe2f7f85a6b920c74f8fa835242 /drivers/net/ethernet/intel/ice/ice_txrx_lib.c | |
| parent | f45a645fa6af37abb5484a8d8be779283a38fb53 (diff) | |
| download | lwn-a4e82a81f57387803f950cc3d9d112bcc5553a3d.tar.gz lwn-a4e82a81f57387803f950cc3d9d112bcc5553a3d.zip | |
ice: Add support for tunnel offloads
Create a boost TCAM entry for each tunnel port in order to get a tunnel
PTYPE. Update netdev feature flags and implement the appropriate logic to
get and set values for hardware offloads.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index 6da048a6ca7c..1f9c3d24cde7 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -84,12 +84,17 @@ ice_rx_csum(struct ice_ring *ring, struct sk_buff *skb, union ice_32b_rx_flex_desc *rx_desc, u8 ptype) { struct ice_rx_ptype_decoded decoded; - u32 rx_error, rx_status; + u16 rx_error, rx_status; + u16 rx_stat_err1; bool ipv4, ipv6; rx_status = le16_to_cpu(rx_desc->wb.status_error0); - rx_error = rx_status; + rx_error = rx_status & (BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S) | + BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S) | + BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S) | + BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S)); + rx_stat_err1 = le16_to_cpu(rx_desc->wb.status_error1); decoded = ice_decode_rx_desc_ptype(ptype); /* Start with CHECKSUM_NONE and by default csum_level = 0 */ @@ -125,6 +130,18 @@ ice_rx_csum(struct ice_ring *ring, struct sk_buff *skb, if (rx_error & BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S)) goto checksum_fail; + /* check for outer UDP checksum error in tunneled packets */ + if ((rx_stat_err1 & BIT(ICE_RX_FLEX_DESC_STATUS1_NAT_S)) && + (rx_error & BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S))) + goto checksum_fail; + + /* If there is an outer header present that might contain a checksum + * we need to bump the checksum level by 1 to reflect the fact that + * we are indicating we validated the inner checksum. + */ + if (decoded.tunnel_type >= ICE_RX_PTYPE_TUNNEL_IP_GRENAT) + skb->csum_level = 1; + /* Only report checksum unnecessary for TCP, UDP, or SCTP */ switch (decoded.inner_prot) { case ICE_RX_PTYPE_INNER_PROT_TCP: |