diff options
| author | Scott Peterson <scott.d.peterson@intel.com> | 2016-11-18 22:25:42 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-05-31 14:16:28 +0300 |
| commit | 2a20525b26475528dc5a664478db2fea23c57d42 (patch) | |
| tree | 069c5009a0569a8a4087799045eef23c0cef2648 /drivers/net | |
| parent | ffe406457753a7ca2061ecc8c4d3971623066911 (diff) | |
| download | linux-2a20525b26475528dc5a664478db2fea23c57d42.tar.xz | |
ixgbe/ixgbevf: Enables TSO for MPLS encapsulated packets
This patch advertises TSO & GSO features in netdev->mpls_features.
In ixgbe(vf)_tso() where we set up segmentation offload, the IP
header will be the inner network header when eth_p_mpls() indicates
the Ethernet protocol is MPLS (UC or MC).
Suggested-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Scott Peterson <scott.d.peterson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 12 |
2 files changed, 20 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index d39cba214320..c263e2293661 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -58,6 +58,7 @@ #include <net/tc_act/tc_gact.h> #include <net/tc_act/tc_mirred.h> #include <net/vxlan.h> +#include <net/mpls.h> #include "ixgbe.h" #include "ixgbe_common.h" @@ -7667,7 +7668,10 @@ static int ixgbe_tso(struct ixgbe_ring *tx_ring, if (err < 0) return err; - ip.hdr = skb_network_header(skb); + if (eth_p_mpls(first->protocol)) + ip.hdr = skb_inner_network_header(skb); + else + ip.hdr = skb_network_header(skb); l4.hdr = skb_checksum_start(skb); /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ @@ -10191,7 +10195,11 @@ skip_sriov: netdev->vlan_features |= netdev->features | NETIF_F_TSO_MANGLEID; netdev->hw_enc_features |= netdev->vlan_features; - netdev->mpls_features |= NETIF_F_HW_CSUM; + netdev->mpls_features |= NETIF_F_SG | + NETIF_F_TSO | + NETIF_F_TSO6 | + NETIF_F_HW_CSUM; + netdev->mpls_features |= IXGBE_GSO_PARTIAL_FEATURES; /* set this bit last since it cannot be part of vlan_features */ netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index eee29bddddc1..706d868a778d 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -49,6 +49,7 @@ #include <linux/if.h> #include <linux/if_vlan.h> #include <linux/prefetch.h> +#include <net/mpls.h> #include "ixgbevf.h" @@ -3321,7 +3322,10 @@ static int ixgbevf_tso(struct ixgbevf_ring *tx_ring, if (err < 0) return err; - ip.hdr = skb_network_header(skb); + if (eth_p_mpls(first->protocol)) + ip.hdr = skb_inner_network_header(skb); + else + ip.hdr = skb_network_header(skb); l4.hdr = skb_checksum_start(skb); /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ @@ -4075,7 +4079,11 @@ static int ixgbevf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->features |= NETIF_F_HIGHDMA; netdev->vlan_features |= netdev->features | NETIF_F_TSO_MANGLEID; - netdev->mpls_features |= NETIF_F_HW_CSUM; + netdev->mpls_features |= NETIF_F_SG | + NETIF_F_TSO | + NETIF_F_TSO6 | + NETIF_F_HW_CSUM; + netdev->mpls_features |= IXGBEVF_GSO_PARTIAL_FEATURES; netdev->hw_enc_features |= netdev->vlan_features; /* set this bit last since it cannot be part of vlan_features */ |