diff options
| author |   Scott Feldman <sfeldma@gmail.com> | 2015-07-18 18:24:49 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-07-20 18:32:44 -0700 |
| commit | d754f98b502ad9a8c7570d494e1eaa0e6bc0350c (patch) | |
| tree | c26da1c040abc3d26d7f01e236f947c78fe4d145 | |
| parent | net: don't reforward packets already forwarded by offload device (diff) | |
| download | linux-dev-d754f98b502ad9a8c7570d494e1eaa0e6bc0350c.tar.xz linux-dev-d754f98b502ad9a8c7570d494e1eaa0e6bc0350c.zip | |
net: add phys ID compare helper to test if two IDs are the same
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/netdevice.h | 7 | ||||
| -rw-r--r-- | net/switchdev/switchdev.c | 8 |
2 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 8364f29e08be..607b5f41f46f 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -766,6 +766,13 @@ struct netdev_phys_item_id { unsigned char id_len; }; +static inline bool netdev_phys_item_id_same(struct netdev_phys_item_id *a, + struct netdev_phys_item_id *b) +{ + return a->id_len == b->id_len && + memcmp(a->id, b->id, a->id_len) == 0; +} + typedef u16 (*select_queue_fallback_t)(struct net_device *dev, struct sk_buff *skb); diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 9f2add3cba26..4e5bba50ccff 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -910,13 +910,9 @@ static struct net_device *switchdev_get_dev_by_nhs(struct fib_info *fi) if (switchdev_port_attr_get(dev, &attr)) return NULL; - if (nhsel > 0) { - if (prev_attr.u.ppid.id_len != attr.u.ppid.id_len) + if (nhsel > 0 && + !netdev_phys_item_id_same(&prev_attr.u.ppid, &attr.u.ppid)) return NULL; - if (memcmp(prev_attr.u.ppid.id, attr.u.ppid.id, - attr.u.ppid.id_len)) - return NULL; - } prev_attr = attr; } |