diff options
| author |   Vladimir Oltean <vladimir.oltean@nxp.com> | 2021-03-31 23:08:51 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-03-31 14:57:44 -0700 |
| commit | d504498d2eb3bfcbef4ddf3f51eb9f1391c8149f (patch) | |
| tree | 1596ce5b22975867d5825f75161da9f1e122d8c6 /drivers/net/ethernet/freescale/enetc/enetc.h | |
| parent | net: enetc: move skb creation into enetc_build_skb (diff) | |
| download | linux-dev-d504498d2eb3bfcbef4ddf3f51eb9f1391c8149f.tar.xz linux-dev-d504498d2eb3bfcbef4ddf3f51eb9f1391c8149f.zip | |
net: enetc: add a dedicated is_eof bit in the TX software BD
In the transmit path, if we have a scatter/gather frame, it is put into
multiple software buffer descriptors, the last of which has the skb
pointer populated (which is necessary for rearming the TX MSI vector and
for collecting the two-step TX timestamp from the TX confirmation path).
At the moment, this is sufficient, but with XDP_TX, we'll need to
service TX software buffer descriptors that don't have an skb pointer,
however they might be final nonetheless. So add a dedicated bit for
final software BDs that we populate and check explicitly. Also, we keep
looking just for an skb when doing TX timestamping, because we don't
want/need that for XDP.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h index 773e412b9f4e..d9e75644b89c 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.h +++ b/drivers/net/ethernet/freescale/enetc/enetc.h @@ -25,6 +25,7 @@ struct enetc_tx_swbd { u8 is_dma_page:1; u8 check_wb:1; u8 do_tstamp:1; + u8 is_eof:1; }; #define ENETC_RX_MAXFRM_SIZE ENETC_MAC_MAXFRM_SIZE |