This function will be reused from the .port_rxtstamp callback to see if the received SKB can be timestamped by the switch.
Signed-off-by: Vladimir Oltean <[email protected]> --- Changes in v2: Patch is new. include/linux/dsa/sja1105.h | 15 +++++++++++++++ net/dsa/tag_sja1105.c | 15 --------------- 2 files changed, 15 insertions(+), 15 deletions(-) diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h index e46e18c47d41..f3237afed35a 100644 --- a/include/linux/dsa/sja1105.h +++ b/include/linux/dsa/sja1105.h @@ -25,4 +25,19 @@ struct sja1105_port { int mgmt_slot; }; +/* Similar to is_link_local_ether_addr(hdr->h_dest) but also covers PTP */ +static inline bool sja1105_is_link_local(const struct sk_buff *skb) +{ + const struct ethhdr *hdr = eth_hdr(skb); + u64 dmac = ether_addr_to_u64(hdr->h_dest); + + if ((dmac & SJA1105_LINKLOCAL_FILTER_A_MASK) == + SJA1105_LINKLOCAL_FILTER_A) + return true; + if ((dmac & SJA1105_LINKLOCAL_FILTER_B_MASK) == + SJA1105_LINKLOCAL_FILTER_B) + return true; + return false; +} + #endif /* _NET_DSA_SJA1105_H */ diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index d840a3749549..e0903028d1cd 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -7,21 +7,6 @@ #include <linux/packing.h> #include "dsa_priv.h" -/* Similar to is_link_local_ether_addr(hdr->h_dest) but also covers PTP */ -static inline bool sja1105_is_link_local(const struct sk_buff *skb) -{ - const struct ethhdr *hdr = eth_hdr(skb); - u64 dmac = ether_addr_to_u64(hdr->h_dest); - - if ((dmac & SJA1105_LINKLOCAL_FILTER_A_MASK) == - SJA1105_LINKLOCAL_FILTER_A) - return true; - if ((dmac & SJA1105_LINKLOCAL_FILTER_B_MASK) == - SJA1105_LINKLOCAL_FILTER_B) - return true; - return false; -} - /* This is the first time the tagger sees the frame on RX. * Figure out if we can decode it, and if we can, annotate skb->cb with how we * plan to do that, so we don't need to check again in the rcv function. -- 2.17.1
