Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
xsk: add usage of XDP features flags
Change necessary condition check for XSK from ndo functions to
xdp features flags.
Signed-off-by: Marek Majtyka <alardam@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/45a98ec67b4556a6a22dfd85df3eb8276beeeb74.1675245258.git.lorenzo@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
authored by
Marek Majtyka
and committed by
Alexei Starovoitov
0ae0cb2b
66c0e13a
+5
-2
+5
-2
net/xdp/xsk_buff_pool.c
+5
-2
net/xdp/xsk_buff_pool.c
···
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}
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}
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+
#define NETDEV_XDP_ACT_ZC (NETDEV_XDP_ACT_BASIC | \
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+
NETDEV_XDP_ACT_REDIRECT | \
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NETDEV_XDP_ACT_XSK_ZEROCOPY)
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+
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int xp_assign_dev(struct xsk_buff_pool *pool,
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struct net_device *netdev, u16 queue_id, u16 flags)
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{
···
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/* For copy-mode, we are done. */
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return 0;
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-
if (!netdev->netdev_ops->ndo_bpf ||
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-
!netdev->netdev_ops->ndo_xsk_wakeup) {
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+
if ((netdev->xdp_features & NETDEV_XDP_ACT_ZC) != NETDEV_XDP_ACT_ZC) {
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err = -EOPNOTSUPP;
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goto err_unreg_pool;
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}