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author | Maor Gottlieb <maorg@mellanox.com> | 2020-05-04 08:19:32 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-06 16:51:43 -0300 |
commit | 9611d53aa1600ba94a36cd7bfd6a95dbae76c8e6 (patch) | |
tree | d1463d9edd53cd8585f1fd1d09ee63f104d83f56 | |
parent | d5665a21250efeeb73579a2f8d71ee1820f37952 (diff) | |
download | linux-9611d53aa1600ba94a36cd7bfd6a95dbae76c8e6.tar.gz linux-9611d53aa1600ba94a36cd7bfd6a95dbae76c8e6.tar.bz2 linux-9611d53aa1600ba94a36cd7bfd6a95dbae76c8e6.zip |
RDMA/core: Consider flow label when building skb
Use rdma_flow_label_to_udp_sport to calculate the UDP source port of the
RoCEV2 packet.
Link: https://lore.kernel.org/r/20200504051935.269708-3-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
-rw-r--r-- | drivers/infiniband/core/lag.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/core/lag.c b/drivers/infiniband/core/lag.c index a29533626a7c..7063e41eaf26 100644 --- a/drivers/infiniband/core/lag.c +++ b/drivers/infiniband/core/lag.c @@ -34,7 +34,8 @@ static struct sk_buff *rdma_build_skb(struct ib_device *device, skb_push(skb, sizeof(struct udphdr)); skb_reset_transport_header(skb); uh = udp_hdr(skb); - uh->source = htons(0xC000); + uh->source = + htons(rdma_flow_label_to_udp_sport(ah_attr->grh.flow_label)); uh->dest = htons(ROCE_V2_UDP_DPORT); uh->len = htons(sizeof(struct udphdr)); @@ -114,7 +115,8 @@ struct net_device *rdma_lag_get_ah_roce_slave(struct ib_device *device, struct net_device *master; if (!(ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE && - ah_attr->grh.sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP)) + ah_attr->grh.sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP && + ah_attr->grh.flow_label)) return NULL; rcu_read_lock(); |