diff options
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index beeb81a532e3..aeb411e77b9a 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -284,6 +284,12 @@ struct dsa_switch { */ bool pcs_poll; + /* For switches that only have the MRU configurable. To ensure the + * configured MTU is not exceeded, normalization of MRU on all bridged + * interfaces is needed. + */ + bool mtu_enforcement_ingress; + size_t num_ports; }; @@ -579,6 +585,16 @@ struct dsa_switch_ops { struct devlink_param_gset_ctx *ctx); int (*devlink_param_set)(struct dsa_switch *ds, u32 id, struct devlink_param_gset_ctx *ctx); + + /* + * MTU change functionality. Switches can also adjust their MRU through + * this method. By MTU, one understands the SDU (L2 payload) length. + * If the switch needs to account for the DSA tag on the CPU port, this + * method needs to to do so privately. + */ + int (*port_change_mtu)(struct dsa_switch *ds, int port, + int new_mtu); + int (*port_max_mtu)(struct dsa_switch *ds, int port); }; #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ |