| Message ID | 20210116023937.6225-3-rasmus.villemoes@prevas.dk (mailing list archive) |
|---|---|
| State | Deferred |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | net: dsa: mv88e6xxx: fix vlan filtering for 6250 | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Guessed tree name to be net-next |
| netdev/subject_prefix | warning | Target tree name not specified in the subject |
| netdev/cc_maintainers | success | CCed 7 of 7 maintainers |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | warning | WARNING: line length of 90 exceeds 80 columns |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
On 1/15/2021 6:39 PM, Rasmus Villemoes wrote: > mv88e6250_g1_vtu_getnext is almost identical to > mv88e6185_g1_vtu_getnext, except for the 6250 only having 64 databases > instead of 256. We can reduce code duplication by simply masking off > the extra two garbage bits when assembling the fid from VTU op [3:0] > and [11:8]. > > Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
On Sat, Jan 16, 2021 at 03:39, Rasmus Villemoes <rasmus.villemoes@prevas.dk> wrote: > mv88e6250_g1_vtu_getnext is almost identical to > mv88e6185_g1_vtu_getnext, except for the 6250 only having 64 databases > instead of 256. We can reduce code duplication by simply masking off > the extra two garbage bits when assembling the fid from VTU op [3:0] > and [11:8]. > > Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> We might also want to give mv88e6250_g1_vtu_loadpurge the same treatment. Reviewed-by: Tobias Waldekranz <tobias@waldekranz.com> Tested-by: Tobias Waldekranz <tobias@waldekranz.com>
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 5cc1465fd635..8a0df1e903bf 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -4023,7 +4023,7 @@ static const struct mv88e6xxx_ops mv88e6250_ops = { .mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu, .pot_clear = mv88e6xxx_g2_pot_clear, .reset = mv88e6250_g1_reset, - .vtu_getnext = mv88e6250_g1_vtu_getnext, + .vtu_getnext = mv88e6185_g1_vtu_getnext, .vtu_loadpurge = mv88e6250_g1_vtu_loadpurge, .avb_ops = &mv88e6352_avb_ops, .ptp_ops = &mv88e6250_ptp_ops, diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h index 80a182c5b98a..d2dd2f4e4730 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.h +++ b/drivers/net/dsa/mv88e6xxx/global1.h @@ -336,8 +336,6 @@ int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip, struct mv88e6xxx_vtu_entry *entry); int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip, struct mv88e6xxx_vtu_entry *entry); -int mv88e6250_g1_vtu_getnext(struct mv88e6xxx_chip *chip, - struct mv88e6xxx_vtu_entry *entry); int mv88e6250_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip, struct mv88e6xxx_vtu_entry *entry); int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip, diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c index 7b96396be609..519ae48ba96e 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c @@ -336,39 +336,6 @@ int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip, return mv88e6xxx_g1_vtu_vid_read(chip, entry); } -int mv88e6250_g1_vtu_getnext(struct mv88e6xxx_chip *chip, - struct mv88e6xxx_vtu_entry *entry) -{ - u16 val; - int err; - - err = mv88e6xxx_g1_vtu_getnext(chip, entry); - if (err) - return err; - - if (entry->valid) { - err = mv88e6185_g1_vtu_data_read(chip, entry); - if (err) - return err; - - err = mv88e6185_g1_stu_data_read(chip, entry); - if (err) - return err; - - /* VTU DBNum[3:0] are located in VTU Operation 3:0 - * VTU DBNum[5:4] are located in VTU Operation 9:8 - */ - err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_OP, &val); - if (err) - return err; - - entry->fid = val & 0x000f; - entry->fid |= (val & 0x0300) >> 4; - } - - return 0; -} - int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip, struct mv88e6xxx_vtu_entry *entry) { @@ -389,7 +356,7 @@ int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip, return err; /* VTU DBNum[3:0] are located in VTU Operation 3:0 - * VTU DBNum[7:4] are located in VTU Operation 11:8 + * VTU DBNum[7:4] ([5:4] for 6250) are located in VTU Operation 11:8 (9:8) */ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_OP, &val); if (err) @@ -397,6 +364,7 @@ int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip, entry->fid = val & 0x000f; entry->fid |= (val & 0x0f00) >> 4; + entry->fid &= mv88e6xxx_num_databases(chip) - 1; } return 0;
mv88e6250_g1_vtu_getnext is almost identical to mv88e6185_g1_vtu_getnext, except for the 6250 only having 64 databases instead of 256. We can reduce code duplication by simply masking off the extra two garbage bits when assembling the fid from VTU op [3:0] and [11:8]. Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> --- drivers/net/dsa/mv88e6xxx/chip.c | 2 +- drivers/net/dsa/mv88e6xxx/global1.h | 2 -- drivers/net/dsa/mv88e6xxx/global1_vtu.c | 36 ++----------------------- 3 files changed, 3 insertions(+), 37 deletions(-)