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dpaa_eth: copy timestamp fields to new skb in A-050385 workaround

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The timestamp fields should be copied to new skb too in
A-050385 workaround for later TX timestamping handling.

Fixes: 3c68b8fffb ("dpaa_eth: FMan erratum A050385 workaround")
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Camelia Groza <camelia.groza@nxp.com>
Link: https://lore.kernel.org/r/20201201075258.1875-1-yangbo.lu@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Yangbo Lu 2020-12-01 15:52:58 +08:00 committed by Jakub Kicinski
parent 832ba59649
commit 07500a6085
1 changed files with 9 additions and 1 deletions
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10
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
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@ -2120,6 +2120,15 @@ workaround:
skb_copy_header(new_skb, skb);
new_skb->dev = skb->dev;
/* Copy relevant timestamp info from the old skb to the new */
if (priv->tx_tstamp) {
skb_shinfo(new_skb)->tx_flags = skb_shinfo(skb)->tx_flags;
skb_shinfo(new_skb)->hwtstamps = skb_shinfo(skb)->hwtstamps;
skb_shinfo(new_skb)->tskey = skb_shinfo(skb)->tskey;
if (skb->sk)
skb_set_owner_w(new_skb, skb->sk);
}
/* We move the headroom when we align it so we have to reset the
* network and transport header offsets relative to the new data
* pointer. The checksum offload relies on these offsets.
@ -2127,7 +2136,6 @@ workaround:
skb_set_network_header(new_skb, skb_network_offset(skb));
skb_set_transport_header(new_skb, skb_transport_offset(skb));
/* TODO: does timestamping need the result in the old skb? */
dev_kfree_skb(skb);
*s = new_skb;