| Message ID | 20230127193559.1001051-2-colin.foster@in-advantage.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | c6a9321b08111c0e0b4c2499ce7e82765fa680b6 |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | add support for the the vsc7512 internal copper phys | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net-next, async |
| 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 9 of 9 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, 82 lines checked |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
On 1/27/2023 11:35 AM, Colin Foster wrote: > Expose ocelot_wm functions so they can be shared with other drivers. > > Signed-off-by: Colin Foster <colin.foster@in-advantage.com> > Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/drivers/net/ethernet/mscc/ocelot_devlink.c b/drivers/net/ethernet/mscc/ocelot_devlink.c index b8737efd2a85..d9ea75a14f2f 100644 --- a/drivers/net/ethernet/mscc/ocelot_devlink.c +++ b/drivers/net/ethernet/mscc/ocelot_devlink.c @@ -487,6 +487,37 @@ static void ocelot_watermark_init(struct ocelot *ocelot) ocelot_setup_sharing_watermarks(ocelot); } +/* Watermark encode + * Bit 8: Unit; 0:1, 1:16 + * Bit 7-0: Value to be multiplied with unit + */ +u16 ocelot_wm_enc(u16 value) +{ + WARN_ON(value >= 16 * BIT(8)); + + if (value >= BIT(8)) + return BIT(8) | (value / 16); + + return value; +} +EXPORT_SYMBOL(ocelot_wm_enc); + +u16 ocelot_wm_dec(u16 wm) +{ + if (wm & BIT(8)) + return (wm & GENMASK(7, 0)) * 16; + + return wm; +} +EXPORT_SYMBOL(ocelot_wm_dec); + +void ocelot_wm_stat(u32 val, u32 *inuse, u32 *maxuse) +{ + *inuse = (val & GENMASK(23, 12)) >> 12; + *maxuse = val & GENMASK(11, 0); +} +EXPORT_SYMBOL(ocelot_wm_stat); + /* Pool size and type are fixed up at runtime. Keeping this structure to * look up the cell size multipliers. */ diff --git a/drivers/net/ethernet/mscc/ocelot_vsc7514.c b/drivers/net/ethernet/mscc/ocelot_vsc7514.c index b097fd4a4061..a3a36de063e5 100644 --- a/drivers/net/ethernet/mscc/ocelot_vsc7514.c +++ b/drivers/net/ethernet/mscc/ocelot_vsc7514.c @@ -229,34 +229,6 @@ static int ocelot_reset(struct ocelot *ocelot) return regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1); } -/* Watermark encode - * Bit 8: Unit; 0:1, 1:16 - * Bit 7-0: Value to be multiplied with unit - */ -static u16 ocelot_wm_enc(u16 value) -{ - WARN_ON(value >= 16 * BIT(8)); - - if (value >= BIT(8)) - return BIT(8) | (value / 16); - - return value; -} - -static u16 ocelot_wm_dec(u16 wm) -{ - if (wm & BIT(8)) - return (wm & GENMASK(7, 0)) * 16; - - return wm; -} - -static void ocelot_wm_stat(u32 val, u32 *inuse, u32 *maxuse) -{ - *inuse = (val & GENMASK(23, 12)) >> 12; - *maxuse = val & GENMASK(11, 0); -} - static const struct ocelot_ops ocelot_ops = { .reset = ocelot_reset, .wm_enc = ocelot_wm_enc, diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h index afb11680a793..0edb16b6087f 100644 --- a/include/soc/mscc/ocelot.h +++ b/include/soc/mscc/ocelot.h @@ -978,6 +978,11 @@ void ocelot_port_assign_dsa_8021q_cpu(struct ocelot *ocelot, int port, int cpu); void ocelot_port_unassign_dsa_8021q_cpu(struct ocelot *ocelot, int port); u32 ocelot_port_assigned_dsa_8021q_cpu_mask(struct ocelot *ocelot, int port); +/* Watermark interface */ +u16 ocelot_wm_enc(u16 value); +u16 ocelot_wm_dec(u16 wm); +void ocelot_wm_stat(u32 val, u32 *inuse, u32 *maxuse); + /* DSA callbacks */ void ocelot_get_strings(struct ocelot *ocelot, int port, u32 sset, u8 *data); void ocelot_get_ethtool_stats(struct ocelot *ocelot, int port, u64 *data);