diff options
| author | Camelia Groza <camelia.groza@nxp.com> | 2017-11-08 13:58:09 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-12-12 07:32:32 (GMT) |
| commit | 41d433d801c436ec51fcdc8ab20ceb64b6559454 (patch) | |
| tree | 9747fe01efd68b8804fa4597b25755d51f01fab9 /drivers/net | |
| parent | c533b864abd878475a65f27931a67888b3f439e3 (diff) | |
| download | linux-41d433d801c436ec51fcdc8ab20ceb64b6559454.tar.xz | |
sdk_dpaa: ls1043a errata: stop advertising S/G and GSO support
The errata prevents us from transmitting S/G frames. Instead of
linearizing them ourselves, stop advertising S/G support and have the
stack do it for us.
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c index b2eec95..1f76aa3 100644 --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.c @@ -775,6 +775,17 @@ static int dpa_private_netdev_init(struct net_device *net_dev) /* Advertise NETIF_F_HW_ACCEL_MQ to avoid Tx timeout warnings */ net_dev->features |= NETIF_F_HW_ACCEL_MQ; +#ifndef CONFIG_PPC + /* Due to the A010022 FMan errata, we can not use contig frames larger + * than 4K, nor S/G frames. We need to stop advertising S/G and GSO + * support. + */ + if (unlikely(dpaa_errata_a010022)) { + net_dev->hw_features &= ~NETIF_F_SG; + net_dev->features &= ~NETIF_F_GSO; + } +#endif + return dpa_netdev_init(net_dev, mac_addr, tx_timeout); } |