xdp: Simplify __bpf_tx_xdp_map() (1170beaa) · Commits · 戴 / test

net/core/filter.c

+7 −26

Original line number	Diff line number	Diff line
		@@ -3510,35 +3510,16 @@ err:
		}

		static int __bpf_tx_xdp_map(struct net_device dev_rx, void fwd,
		struct bpf_map *map,
		struct xdp_buff *xdp)
		struct bpf_map map, struct xdp_buff xdp)
		{
		int err;

		switch (map->map_type) {
		case BPF_MAP_TYPE_DEVMAP:
		case BPF_MAP_TYPE_DEVMAP_HASH: {
		struct bpf_dtab_netdev *dst = fwd;

		err = dev_map_enqueue(dst, xdp, dev_rx);
		if (unlikely(err))
		return err;
		break;
		}
		case BPF_MAP_TYPE_CPUMAP: {
		struct bpf_cpu_map_entry *rcpu = fwd;

		err = cpu_map_enqueue(rcpu, xdp, dev_rx);
		if (unlikely(err))
		return err;
		break;
		}
		case BPF_MAP_TYPE_XSKMAP: {
		struct xdp_sock *xs = fwd;

		err = __xsk_map_redirect(xs, xdp);
		return err;
		}
		case BPF_MAP_TYPE_DEVMAP_HASH:
		return dev_map_enqueue(fwd, xdp, dev_rx);
		case BPF_MAP_TYPE_CPUMAP:
		return cpu_map_enqueue(fwd, xdp, dev_rx);
		case BPF_MAP_TYPE_XSKMAP:
		return __xsk_map_redirect(fwd, xdp);
		default:
		break;
		}