diff options
| author | Matt Johnston <matt@codeconstruct.com.au> | 2021-07-29 04:20:51 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-29 16:06:50 +0200 |
| commit | 26ab3fcaf23568cc8fc06aeb9306f3544969f252 (patch) | |
| tree | 38eeda6b66d0f0eec8912c2f033cd5ca5d2090f6 | |
| parent | mctp: Implement message fragmentation & reassembly (diff) | |
| download | linux-26ab3fcaf23568cc8fc06aeb9306f3544969f252.tar.xz linux-26ab3fcaf23568cc8fc06aeb9306f3544969f252.zip | |
mctp: Add dest neighbour lladdr to route output
Now that we have a neighbour implementation, hook it up to the output
path to set the dest hardware address for outgoing packets.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/mctp/route.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/mctp/route.c b/net/mctp/route.c index 160220e6f241..38f0a7278520 100644 --- a/net/mctp/route.c +++ b/net/mctp/route.c @@ -376,6 +376,9 @@ static unsigned int mctp_route_mtu(struct mctp_route *rt) static int mctp_route_output(struct mctp_route *route, struct sk_buff *skb) { + struct mctp_hdr *hdr = mctp_hdr(skb); + char daddr_buf[MAX_ADDR_LEN]; + char *daddr = NULL; unsigned int mtu; int rc; @@ -387,9 +390,12 @@ static int mctp_route_output(struct mctp_route *route, struct sk_buff *skb) return -EMSGSIZE; } - /* TODO: daddr (from rt->neigh), saddr (from device?) */ + /* If lookup fails let the device handle daddr==NULL */ + if (mctp_neigh_lookup(route->dev, hdr->dest, daddr_buf) == 0) + daddr = daddr_buf; + rc = dev_hard_header(skb, skb->dev, ntohs(skb->protocol), - NULL, NULL, skb->len); + daddr, skb->dev->dev_addr, skb->len); if (rc) { kfree_skb(skb); return -EHOSTUNREACH; |