From: Denis Kirjanov <[email protected]>
Date: Mon, 11 May 2020 13:22:20 +0300
> @@ -560,6 +572,64 @@ static u16 xennet_select_queue(struct net_device *dev,
> struct sk_buff *skb,
> return queue_idx;
> }
>
> +static int xennet_xdp_xmit_one(struct net_device *dev, struct xdp_frame
> *xdpf)
> +{
> + struct netfront_info *np = netdev_priv(dev);
> + struct netfront_stats *tx_stats = this_cpu_ptr(np->tx_stats);
> + struct netfront_queue *queue = NULL;
> + unsigned int num_queues = dev->real_num_tx_queues;
> + unsigned long flags;
> + int notify;
> + struct xen_netif_tx_request *tx;
Reverse christmas tree ordering for these local variables please.
> @@ -792,6 +909,9 @@ static int xennet_get_responses(struct netfront_queue
> *queue,
> int slots = 1;
> int err = 0;
> unsigned long ret;
> + struct bpf_prog *xdp_prog;
> + struct xdp_buff xdp;
> + u32 verdict;
Likewise.
> @@ -997,7 +1132,9 @@ static int xennet_poll(struct napi_struct *napi, int
> budget)
> struct sk_buff_head rxq;
> struct sk_buff_head errq;
> struct sk_buff_head tmpq;
> + struct bpf_prog *xdp_prog;
> int err;
> + bool need_xdp_flush = false;
Likewise.
> +static int xennet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
> + struct netlink_ext_ack *extack)
> +{
> + struct netfront_info *np = netdev_priv(dev);
> + struct bpf_prog *old_prog;
> + unsigned int i, err;
> + unsigned long max_mtu = XEN_PAGE_SIZE - XDP_PACKET_HEADROOM;
Likewise.
> +static u32 xennet_xdp_query(struct net_device *dev)
> +{
> + struct netfront_info *np = netdev_priv(dev);
> + unsigned int num_queues = dev->real_num_tx_queues;
> + unsigned int i;
> + struct netfront_queue *queue;
> + const struct bpf_prog *xdp_prog;
Likewise.
