diff options
| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-09-28 12:52:04 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-09-29 18:52:06 -0700 |
| commit | dfc7175de3b0a01dbc9d8a16f8417f19fa2ba4cb (patch) | |
| tree | b952b378c7f66800c3f3e60d9a4aaa314d6502ee /drivers/net/ethernet/freescale/enetc/enetc_pf.c | |
| parent | 9a2ea26d97a9acbb909c5ada0cfd09cea16a32ca (diff) | |
net: enetc: offload per-tc max SDU from tc-taprio
The driver currently sets the PTCMSDUR register statically to the max
MTU supported by the interface. Keep this logic if tc-taprio is absent
or if the max_sdu for a traffic class is 0, and follow the requested max
SDU size otherwise.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc_pf.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_pf.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index bb7750222691..bdf94335ee99 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -516,15 +516,34 @@ static void enetc_port_si_configure(struct enetc_si *si) enetc_port_wr(hw, ENETC_PSIVLANFMR, ENETC_PSIVLANFMR_VS); } -static void enetc_configure_port_mac(struct enetc_hw *hw) +void enetc_set_ptcmsdur(struct enetc_hw *hw, u32 *max_sdu) { int tc; - enetc_port_wr(hw, ENETC_PM0_MAXFRM, - ENETC_SET_MAXFRM(ENETC_RX_MAXFRM_SIZE)); + for (tc = 0; tc < 8; tc++) { + u32 val = ENETC_MAC_MAXFRM_SIZE; + + if (max_sdu[tc]) + val = max_sdu[tc] + VLAN_ETH_HLEN; + + enetc_port_wr(hw, ENETC_PTCMSDUR(tc), val); + } +} + +void enetc_reset_ptcmsdur(struct enetc_hw *hw) +{ + int tc; for (tc = 0; tc < 8; tc++) enetc_port_wr(hw, ENETC_PTCMSDUR(tc), ENETC_MAC_MAXFRM_SIZE); +} + +static void enetc_configure_port_mac(struct enetc_hw *hw) +{ + enetc_port_wr(hw, ENETC_PM0_MAXFRM, + ENETC_SET_MAXFRM(ENETC_RX_MAXFRM_SIZE)); + + enetc_reset_ptcmsdur(hw); enetc_port_wr(hw, ENETC_PM0_CMD_CFG, ENETC_PM0_CMD_PHY_TX_EN | ENETC_PM0_CMD_TXP | ENETC_PM0_PROMISC); @@ -738,6 +757,8 @@ static int enetc_pf_setup_tc(struct net_device *ndev, enum tc_setup_type type, void *type_data) { switch (type) { + case TC_QUERY_CAPS: + return enetc_qos_query_caps(ndev, type_data); case TC_SETUP_QDISC_MQPRIO: return enetc_setup_tc_mqprio(ndev, type_data); case TC_SETUP_QDISC_TAPRIO: |