| Message ID | 20220923163310.3192733-7-vladimir.oltean@nxp.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | Add tc-taprio support for queueMaxSDU | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Series has a cover letter |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/cc_maintainers | success | CCed 7 of 7 maintainers |
| netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/check_selftest | success | No net selftest shell script |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 16 lines checked |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c b/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c index 3f5b212066c5..96367819ff96 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c @@ -219,8 +219,16 @@ static int lan966x_taprio_find_list(struct lan966x_port *port, static int lan966x_taprio_check(struct tc_taprio_qopt_offload *qopt) { u64 total_time = 0; + int tc; u32 i; + /* Offloading queueMaxSDU is not supported at the moment, + * only accept the default port MTU + */ + for (tc = 0; tc < 8; tc++) + if (qopt->max_sdu[tc]) + return -EOPNOTSUPP; + /* This is not supported by th HW */ if (qopt->cycle_time_extension) return -EOPNOTSUPP;
Since the driver does not act upon the max_sdu argument, deny any other values except the default all-zeroes, which means that all traffic classes should use the same MTU as the port itself. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> --- v1->v2: patch is new drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c | 8 ++++++++ 1 file changed, 8 insertions(+)