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path: root/drivers/net/tun.c
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Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 978ac0981d16..fc86da7f1628 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1599,12 +1599,8 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
struct xdp_buff xdp;
u32 act;
- xdp.data_hard_start = buf;
- xdp.data = buf + pad;
- xdp_set_data_meta_invalid(&xdp);
- xdp.data_end = xdp.data + len;
- xdp.rxq = &tfile->xdp_rxq;
- xdp.frame_sz = buflen;
+ xdp_init_buff(&xdp, buflen, &tfile->xdp_rxq);
+ xdp_prepare_buff(&xdp, buf, pad, len, false);
act = bpf_prog_run_xdp(xdp_prog, &xdp);
if (act == XDP_REDIRECT || act == XDP_TX) {
@@ -1814,12 +1810,10 @@ drop:
/* copy skb_ubuf_info for callback when skb has no error */
if (zerocopy) {
- skb_shinfo(skb)->destructor_arg = msg_control;
- skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
- skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG;
+ skb_zcopy_init(skb, msg_control);
} else if (msg_control) {
struct ubuf_info *uarg = msg_control;
- uarg->callback(uarg, false);
+ uarg->callback(NULL, uarg, false);
}
skb_reset_network_header(skb);
@@ -2344,9 +2338,9 @@ static int tun_xdp_one(struct tun_struct *tun,
skb_xdp = true;
goto build;
}
+
+ xdp_init_buff(xdp, buflen, &tfile->xdp_rxq);
xdp_set_data_meta_invalid(xdp);
- xdp->rxq = &tfile->xdp_rxq;
- xdp->frame_sz = buflen;
act = bpf_prog_run_xdp(xdp_prog, xdp);
err = tun_xdp_act(tun, xdp_prog, xdp, act);
@@ -2741,7 +2735,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
err = register_netdevice(tun->dev);
if (err < 0)
goto err_detach;
- /* free_netdev() won't check refcnt, to aovid race
+ /* free_netdev() won't check refcnt, to avoid race
* with dev_put() we need publish tun after registration.
*/
rcu_assign_pointer(tfile->tun, tun);
@@ -3113,15 +3107,14 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
case SIOCGIFHWADDR:
/* Get hw address */
- memcpy(ifr.ifr_hwaddr.sa_data, tun->dev->dev_addr, ETH_ALEN);
- ifr.ifr_hwaddr.sa_family = tun->dev->type;
+ dev_get_mac_address(&ifr.ifr_hwaddr, net, tun->dev->name);
if (copy_to_user(argp, &ifr, ifreq_len))
ret = -EFAULT;
break;
case SIOCSIFHWADDR:
/* Set hw address */
- ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr, NULL);
+ ret = dev_set_mac_address_user(tun->dev, &ifr.ifr_hwaddr, NULL);
break;
case TUNGETSNDBUF: