bpf, devmap: Remove unused dtab field from bpf_dtab_netdev

Commit 96360004b862 ("xdp: Make devmap flush_list common for all map
instances") removes the use of bpf_dtab_netdev::dtab in bq_enqueue(),
so just remove dtab from bpf_dtab_netdev.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/20230728014942.892272-3-houtao@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>

diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index 49cc0b5..4d42f6e 100644 (file)
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -65,7 +65,6 @@ struct xdp_dev_bulk_queue {
 struct bpf_dtab_netdev {
        struct net_device *dev; /* must be first member, due to tracepoint */
        struct hlist_node index_hlist;
-       struct bpf_dtab *dtab;
        struct bpf_prog *xdp_prog;
        struct rcu_head rcu;
        unsigned int idx;
@@ -874,7 +873,6 @@ static struct bpf_dtab_netdev *__dev_map_alloc_node(struct net *net,
        }
 
        dev->idx = idx;
-       dev->dtab = dtab;
        if (prog) {
                dev->xdp_prog = prog;
                dev->val.bpf_prog.id = prog->aux->id;