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authorMagnus Karlsson <magnus.karlsson@intel.com>2018-10-01 14:51:37 +0200
committerDaniel Borkmann <daniel@iogearbox.net>2018-10-05 09:31:01 +0200
commita41b4f3c58dddcb39b7072a97ac8cb9036ce53f6 (patch)
tree0b48b06adbcd305542c9e6d526bebdc522d8343a /net/xdp
parent1661d346628115c364e2b7d5b15a64ca3bd0dbd4 (diff)
xsk: simplify xdp_clear_umem_at_qid implementation
As we now do not allow ethtool to deactivate the queue id we are running an AF_XDP socket on, we can simplify the implementation of xdp_clear_umem_at_qid(). Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'net/xdp')
-rw-r--r--net/xdp/xdp_umem.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 773326f682b1..c6007c58231c 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -68,12 +68,9 @@ struct xdp_umem *xdp_get_umem_from_qid(struct net_device *dev,
static void xdp_clear_umem_at_qid(struct net_device *dev, u16 queue_id)
{
- /* Zero out the entry independent on how many queues are configured
- * at this point in time, as it might be used in the future.
- */
- if (queue_id < dev->num_rx_queues)
+ if (queue_id < dev->real_num_rx_queues)
dev->_rx[queue_id].umem = NULL;
- if (queue_id < dev->num_tx_queues)
+ if (queue_id < dev->real_num_tx_queues)
dev->_tx[queue_id].umem = NULL;
}