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| author | Ioana Ciornei <ioana.ciornei@nxp.com> | 2021-07-29 20:19:00 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-29 21:34:45 +0100 |
| commit | 7a91f9078d4fb683f162112a32bd52b2d21fb5c9 (patch) | |
| tree | debb35c7d34deb022cf266708c09283de484ca56 /drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | |
| parent | 0f3faece58085c94066d14ff9f73e990a55516ac (diff) | |
| download | lwn-7a91f9078d4fb683f162112a32bd52b2d21fb5c9.tar.gz lwn-7a91f9078d4fb683f162112a32bd52b2d21fb5c9.zip | |
dpaa2-switch: offload shared block mirror filters when binding to a port
When mirroring rules are added in shared filter blocks, the same
mirroring rule has to be configured on all the switch ports that are
part of the same block.
In case a switch port joins a shared block after mirroring filters have
been already added to it, then all the mirror rules should be offloaded
to the port. The reverse, removal of mirroring rules, has to be done at
block unbind.
For this purpose, the dpaa2_switch_block_offload_mirror() and
dpaa2_switch_block_unoffload_mirror() functions are added and called
upon binding and unbinding a switch port to/from a block.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c index 3857d9093623..71129724d9ca 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c @@ -1229,6 +1229,13 @@ static int dpaa2_switch_port_block_bind(struct ethsw_port_priv *port_priv, struct dpaa2_switch_filter_block *old_block = port_priv->filter_block; int err; + /* Offload all the mirror entries found in the block on this new port + * joining it. + */ + err = dpaa2_switch_block_offload_mirror(block, port_priv); + if (err) + return err; + /* If the port is already bound to this ACL table then do nothing. This * can happen when this port is the first one to join a tc block */ @@ -1256,6 +1263,13 @@ dpaa2_switch_port_block_unbind(struct ethsw_port_priv *port_priv, struct dpaa2_switch_filter_block *new_block; int err; + /* Unoffload all the mirror entries found in the block from the + * port leaving it. + */ + err = dpaa2_switch_block_unoffload_mirror(block, port_priv); + if (err) + return err; + /* We are the last port that leaves a block (an ACL table). * We'll continue to use this table. */ |