TWx Linux Repository
7a6102aa6d
There's an early return in veth_set_features() if the device is in a down
state, which leads to the XDP feature flags not being updated when enabling
GRO while the device is down. Which in turn leads to XDP_REDIRECT not
working, because the redirect code now checks the flags.
Fix this by updating the feature flags after bringing the device up.
Before this patch:
NETDEV_XDP_ACT_BASIC: yes
NETDEV_XDP_ACT_REDIRECT: yes
NETDEV_XDP_ACT_NDO_XMIT: no
NETDEV_XDP_ACT_XSK_ZEROCOPY: no
NETDEV_XDP_ACT_HW_OFFLOAD: no
NETDEV_XDP_ACT_RX_SG: yes
NETDEV_XDP_ACT_NDO_XMIT_SG: no
After this patch:
NETDEV_XDP_ACT_BASIC: yes
NETDEV_XDP_ACT_REDIRECT: yes
NETDEV_XDP_ACT_NDO_XMIT: yes
NETDEV_XDP_ACT_XSK_ZEROCOPY: no
NETDEV_XDP_ACT_HW_OFFLOAD: no
NETDEV_XDP_ACT_RX_SG: yes
NETDEV_XDP_ACT_NDO_XMIT_SG: yes
Fixes: fccca038f300 ("veth: take into account device reconfiguration for xdp_features flag")
Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/20230911135826.722295-1-toke@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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