diff options
Diffstat (limited to 'net/dsa/tag.h')
| -rw-r--r-- | net/dsa/tag.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/dsa/tag.h b/net/dsa/tag.h index 5d80ddad4ff6..cf52283fe9df 100644 --- a/net/dsa/tag.h +++ b/net/dsa/tag.h @@ -319,6 +319,24 @@ static inline void *dsa_etype_header_pos_tx(struct sk_buff *skb) return skb->data + 2 * ETH_ALEN; } +static inline unsigned long dsa_xmit_port_mask(const struct sk_buff *skb, + const struct net_device *dev) +{ + struct dsa_port *dp = dsa_user_to_port(dev); + unsigned long mask = BIT(dp->index); + + if (IS_ENABLED(CONFIG_HSR) && + unlikely(dev->features & NETIF_F_HW_HSR_DUP)) { + struct net_device *hsr_dev = dp->hsr_dev; + struct dsa_port *other_dp; + + dsa_hsr_foreach_port(other_dp, dp->ds, hsr_dev) + mask |= BIT(other_dp->index); + } + + return mask; +} + /* Create 2 modaliases per tagging protocol, one to auto-load the module * given the ID reported by get_tag_protocol(), and the other by name. */ |