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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
commit68b7faa497774b94377d3a8215d917bd006eae0b (patch)
treebab1434b47a284ca2893dcc0b908d1b95d982e7c /include/linux/etherdevice.h
parentAdding upstream version 6.1.85. (diff)
downloadlinux-68b7faa497774b94377d3a8215d917bd006eae0b.tar.xz
linux-68b7faa497774b94377d3a8215d917bd006eae0b.zip
Adding upstream version 6.1.90.upstream/6.1.90upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/linux/etherdevice.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index a541f0c4f..d7eef2158 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -594,6 +594,31 @@ static inline void eth_hw_addr_gen(struct net_device *dev, const u8 *base_addr,
}
/**
+ * eth_skb_pkt_type - Assign packet type if destination address does not match
+ * @skb: Assigned a packet type if address does not match @dev address
+ * @dev: Network device used to compare packet address against
+ *
+ * If the destination MAC address of the packet does not match the network
+ * device address, assign an appropriate packet type.
+ */
+static inline void eth_skb_pkt_type(struct sk_buff *skb,
+ const struct net_device *dev)
+{
+ const struct ethhdr *eth = eth_hdr(skb);
+
+ if (unlikely(!ether_addr_equal_64bits(eth->h_dest, dev->dev_addr))) {
+ if (unlikely(is_multicast_ether_addr_64bits(eth->h_dest))) {
+ if (ether_addr_equal_64bits(eth->h_dest, dev->broadcast))
+ skb->pkt_type = PACKET_BROADCAST;
+ else
+ skb->pkt_type = PACKET_MULTICAST;
+ } else {
+ skb->pkt_type = PACKET_OTHERHOST;
+ }
+ }
+}
+
+/**
* eth_skb_pad - Pad buffer to mininum number of octets for Ethernet frame
* @skb: Buffer to pad
*