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authorDavid S. Miller <davem@davemloft.net>2021-03-26 02:30:46 +0300
committerDavid S. Miller <davem@davemloft.net>2021-03-26 02:30:46 +0300
commit241949e488f38a192f2359dbb21d80e08173eb60 (patch)
tree5a8975683f2ccadfbba7ebeb55db482e605581bb /drivers/net/xen-netfront.c
parentefd13b71a3fa31413f8d15342e01d44b60b0a432 (diff)
parente2c69f3a5b4edfbcade2c38862c1839fc371c5d5 (diff)
downloadlinux-241949e488f38a192f2359dbb21d80e08173eb60.tar.xz
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says: ==================== pull-request: bpf-next 2021-03-24 The following pull-request contains BPF updates for your *net-next* tree. We've added 37 non-merge commits during the last 15 day(s) which contain a total of 65 files changed, 3200 insertions(+), 738 deletions(-). The main changes are: 1) Static linking of multiple BPF ELF files, from Andrii. 2) Move drop error path to devmap for XDP_REDIRECT, from Lorenzo. 3) Spelling fixes from various folks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/xen-netfront.c')
-rw-r--r--drivers/net/xen-netfront.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index cc19cd9203da..44275908d61a 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -608,8 +608,8 @@ static int xennet_xdp_xmit(struct net_device *dev, int n,
struct netfront_info *np = netdev_priv(dev);
struct netfront_queue *queue = NULL;
unsigned long irq_flags;
- int drops = 0;
- int i, err;
+ int nxmit = 0;
+ int i;
if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
return -EINVAL;
@@ -622,15 +622,13 @@ static int xennet_xdp_xmit(struct net_device *dev, int n,
if (!xdpf)
continue;
- err = xennet_xdp_xmit_one(dev, queue, xdpf);
- if (err) {
- xdp_return_frame_rx_napi(xdpf);
- drops++;
- }
+ if (xennet_xdp_xmit_one(dev, queue, xdpf))
+ break;
+ nxmit++;
}
spin_unlock_irqrestore(&queue->tx_lock, irq_flags);
- return n - drops;
+ return nxmit;
}
@@ -875,7 +873,9 @@ static u32 xennet_run_xdp(struct netfront_queue *queue, struct page *pdata,
get_page(pdata);
xdpf = xdp_convert_buff_to_frame(xdp);
err = xennet_xdp_xmit(queue->info->netdev, 1, &xdpf, 0);
- if (unlikely(err < 0))
+ if (unlikely(!err))
+ xdp_return_frame_rx_napi(xdpf);
+ else if (unlikely(err < 0))
trace_xdp_exception(queue->info->netdev, prog, act);
break;
case XDP_REDIRECT: