From: Martin KaFai Lau <martin.lau@linux•dev>
To: Lorenzo Bianconi <lorenzo@kernel•org>
Cc: netdev@vger•kernel.org, ast@kernel•org, daniel@iogearbox•net,
andrii@kernel•org, davem@davemloft•net, kuba@kernel•org,
hawk@kernel•org, pabeni@redhat•com, edumazet@google•com,
toke@redhat•com, memxor@gmail•com, alardam@gmail•com,
saeedm@nvidia•com, anthony.l.nguyen@intel•com,
gospo@broadcom•com, vladimir.oltean@nxp•com, nbd@nbd•name,
john@phrozen•org, leon@kernel•org, simon.horman@corigine•com,
aelior@marvell•com, christophe.jaillet@wanadoo•fr,
ecree.xilinx@gmail•com, mst@redhat•com, bjorn@kernel•org,
magnus.karlsson@intel•com, maciej.fijalkowski@intel•com,
intel-wired-lan@lists•osuosl.org, lorenzo.bianconi@redhat•com,
niklas.soderlund@corigine•com, bpf@vger•kernel.org
Subject: Re: [PATCH bpf-next 6/7] bpf: devmap: check XDP features in bpf_map_update_elem and __xdp_enqueue
Date: Fri, 20 Jan 2023 18:02:18 -0800 [thread overview]
Message-ID: <d0232e99-862b-3255-aeac-7c04486cb773@linux.dev> (raw)
In-Reply-To: <acc9460e6e29dfe02cf474735277e196b500d2ef.1674234430.git.lorenzo@kernel.org>
On 1/20/23 9:16 AM, Lorenzo Bianconi wrote:
> ---
> kernel/bpf/devmap.c | 25 +++++++++++++++++++++----
> net/core/filter.c | 13 +++++--------
> 2 files changed, 26 insertions(+), 12 deletions(-)
>
> diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
> index d01e4c55b376..69ceecc792df 100644
> --- a/kernel/bpf/devmap.c
> +++ b/kernel/bpf/devmap.c
> @@ -474,7 +474,11 @@ static inline int __xdp_enqueue(struct net_device *dev, struct xdp_frame *xdpf,
> {
> int err;
>
> - if (!dev->netdev_ops->ndo_xdp_xmit)
> + if (!(dev->xdp_features & NETDEV_XDP_ACT_NDO_XMIT))
The current "dev->netdev_ops->ndo_xdp_xmit" check is self explaining.
Any plan to put some document for the NETDEV_XDP_ACT_* values?
next prev parent reply other threads:[~2023-01-21 2:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-20 17:16 [PATCH bpf-next 0/7] xdp: introduce xdp-feature support Lorenzo Bianconi
2023-01-20 17:16 ` [PATCH bpf-next 1/7] netdev-genl: create a simple family for netdev stuff Lorenzo Bianconi
2023-01-21 1:19 ` Alexei Starovoitov
2023-01-22 17:45 ` Lorenzo Bianconi
2023-01-21 3:11 ` Jakub Kicinski
2023-01-22 23:00 ` Lorenzo Bianconi
2023-01-23 20:01 ` Jakub Kicinski
2023-01-23 23:29 ` Lorenzo Bianconi
2023-01-21 4:42 ` kernel test robot
2023-01-20 17:16 ` [PATCH bpf-next 2/7] drivers: net: turn on XDP features Lorenzo Bianconi
2023-01-21 3:11 ` Jakub Kicinski
2023-01-22 11:49 ` Lorenzo Bianconi
2023-01-23 20:03 ` Jakub Kicinski
2023-01-20 17:16 ` [PATCH bpf-next 3/7] xsk: add usage of XDP features flags Lorenzo Bianconi
2023-01-20 17:16 ` [PATCH bpf-next 4/7] libbpf: add the capability to specify netlink proto in libbpf_netlink_send_recv Lorenzo Bianconi
2023-01-20 17:16 ` [PATCH bpf-next 5/7] libbpf: add API to get XDP/XSK supported features Lorenzo Bianconi
2023-01-21 3:20 ` Jakub Kicinski
2023-01-22 12:09 ` Lorenzo Bianconi
2023-01-20 17:16 ` [PATCH bpf-next 6/7] bpf: devmap: check XDP features in bpf_map_update_elem and __xdp_enqueue Lorenzo Bianconi
2023-01-21 2:02 ` Martin KaFai Lau [this message]
2023-01-22 12:13 ` Lorenzo Bianconi
2023-01-23 20:09 ` Jakub Kicinski
2023-01-23 23:29 ` Lorenzo Bianconi
2023-01-20 17:16 ` [PATCH bpf-next 7/7] selftests/bpf: introduce XDP compliance test tool Lorenzo Bianconi
2023-01-24 6:34 ` Martin KaFai Lau
2023-01-24 11:12 ` Lorenzo Bianconi
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