diff options
| author | Dave Airlie <airlied@redhat.com> | 2024-11-04 14:25:33 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2024-11-04 14:25:33 +1000 |
| commit | 30169bb64580bd7bce9290c1952bf0aa6cc37fe5 (patch) | |
| tree | 94c6ab9dec68f5648a055752aad32d816bd27e11 /drivers/net/dsa/b53/b53_common.c | |
| parent | bcfe43f0ea77c42c2154fb79b99b7d1d82ac3231 (diff) | |
| parent | 59b723cd2adbac2a34fc8e12c74ae26ae45bf230 (diff) | |
| download | linux-next-30169bb64580bd7bce9290c1952bf0aa6cc37fe5.tar.gz linux-next-30169bb64580bd7bce9290c1952bf0aa6cc37fe5.zip | |
Backmerge v6.12-rc6 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge Linus tree for some drm-fixes needed for msm and xe merges.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/net/dsa/b53/b53_common.c')
| -rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 0783fc121bbb..c39cb119e760 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -27,6 +27,7 @@ #include <linux/phylink.h> #include <linux/etherdevice.h> #include <linux/if_bridge.h> +#include <linux/if_vlan.h> #include <net/dsa.h> #include "b53_regs.h" @@ -224,6 +225,9 @@ static const struct b53_mib_desc b53_mibs_58xx[] = { #define B53_MIBS_58XX_SIZE ARRAY_SIZE(b53_mibs_58xx) +#define B53_MAX_MTU_25 (1536 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN) +#define B53_MAX_MTU (9720 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN) + static int b53_do_vlan_op(struct b53_device *dev, u8 op) { unsigned int i; @@ -2254,20 +2258,25 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) bool allow_10_100; if (is5325(dev) || is5365(dev)) - return -EOPNOTSUPP; + return 0; if (!dsa_is_cpu_port(ds, port)) return 0; - enable_jumbo = (mtu >= JMS_MIN_SIZE); - allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID); + enable_jumbo = (mtu > ETH_DATA_LEN); + allow_10_100 = !is63xx(dev); return b53_set_jumbo(dev, enable_jumbo, allow_10_100); } static int b53_get_max_mtu(struct dsa_switch *ds, int port) { - return JMS_MAX_SIZE; + struct b53_device *dev = ds->priv; + + if (is5325(dev) || is5365(dev)) + return B53_MAX_MTU_25; + + return B53_MAX_MTU; } static const struct phylink_mac_ops b53_phylink_mac_ops = { |