leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mlxsw: spectrum: Fix the shift of FID field in TX header

Browse Source 
Currently, the field FID in TX header is defined, but is not used as it is
relevant only for data packets. mlxsw driver currently sends all
host-generated traffic as control packets and not as data packets.

In Spectrum-2 and Spectrum-3, the correction field of PTP packets which
are sent as control packets is not updated at egress port. To overcome this
limitation while adding support for PTP, some packets will be sent as data
packets.

Fix the wrong shift in the definition, to allow using the field later.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Danielle Ratson 2022-07-24 11:03:21 +03:00 committed by David S. Miller
parent 291fcb937e
commit 81016180e3
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -166,7 +166,7 @@ MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16);
* set, otherwise calculated based on the packet's VID using VID to FID mapping.
* Valid for data packets only.
*/
MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16);
MLXSW_ITEM32(tx, hdr, fid, 0x08, 16, 16);
/* tx_hdr_type
* 0 - Data packets