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authorPaolo Abeni <pabeni@redhat.com>2025-05-28 10:03:53 +0200
committerPaolo Abeni <pabeni@redhat.com>2025-05-28 10:11:15 +0200
commitf6bd8faeb113c8ab783466bc5bc1a5442ae85176 (patch)
tree21a67177c1e5f4877523e40428c1ce2a35aa1cc5 /net/vmw_vsock
parentacea6b132d813a12ac414f6b1efb05921623afc0 (diff)
parent57a92d14659df3e7e7e0052358c8cc68bbbc3b5e (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes to prepare for the 6.16 net-next PR. No conflicts nor adjacent changes. Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/vmw_vsock')
-rw-r--r--net/vmw_vsock/virtio_transport_common.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 7897fd970dd8..1b5d9896edae 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -440,18 +440,20 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
static bool virtio_transport_inc_rx_pkt(struct virtio_vsock_sock *vvs,
u32 len)
{
- if (vvs->rx_bytes + len > vvs->buf_alloc)
+ if (vvs->buf_used + len > vvs->buf_alloc)
return false;
vvs->rx_bytes += len;
+ vvs->buf_used += len;
return true;
}
static void virtio_transport_dec_rx_pkt(struct virtio_vsock_sock *vvs,
- u32 len)
+ u32 bytes_read, u32 bytes_dequeued)
{
- vvs->rx_bytes -= len;
- vvs->fwd_cnt += len;
+ vvs->rx_bytes -= bytes_read;
+ vvs->buf_used -= bytes_dequeued;
+ vvs->fwd_cnt += bytes_dequeued;
}
void virtio_transport_inc_tx_pkt(struct virtio_vsock_sock *vvs, struct sk_buff *skb)
@@ -580,11 +582,11 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk,
size_t len)
{
struct virtio_vsock_sock *vvs = vsk->trans;
- size_t bytes, total = 0;
struct sk_buff *skb;
u32 fwd_cnt_delta;
bool low_rx_bytes;
int err = -EFAULT;
+ size_t total = 0;
u32 free_space;
spin_lock_bh(&vvs->rx_lock);
@@ -596,6 +598,8 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk,
}
while (total < len && !skb_queue_empty(&vvs->rx_queue)) {
+ size_t bytes, dequeued = 0;
+
skb = skb_peek(&vvs->rx_queue);
bytes = min_t(size_t, len - total,
@@ -619,12 +623,12 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk,
VIRTIO_VSOCK_SKB_CB(skb)->offset += bytes;
if (skb->len == VIRTIO_VSOCK_SKB_CB(skb)->offset) {
- u32 pkt_len = le32_to_cpu(virtio_vsock_hdr(skb)->len);
-
- virtio_transport_dec_rx_pkt(vvs, pkt_len);
+ dequeued = le32_to_cpu(virtio_vsock_hdr(skb)->len);
__skb_unlink(skb, &vvs->rx_queue);
consume_skb(skb);
}
+
+ virtio_transport_dec_rx_pkt(vvs, bytes, dequeued);
}
fwd_cnt_delta = vvs->fwd_cnt - vvs->last_fwd_cnt;
@@ -780,7 +784,7 @@ static int virtio_transport_seqpacket_do_dequeue(struct vsock_sock *vsk,
msg->msg_flags |= MSG_EOR;
}
- virtio_transport_dec_rx_pkt(vvs, pkt_len);
+ virtio_transport_dec_rx_pkt(vvs, pkt_len, pkt_len);
kfree_skb(skb);
}
@@ -1717,6 +1721,7 @@ int virtio_transport_read_skb(struct vsock_sock *vsk, skb_read_actor_t recv_acto
struct sock *sk = sk_vsock(vsk);
struct virtio_vsock_hdr *hdr;
struct sk_buff *skb;
+ u32 pkt_len;
int off = 0;
int err;
@@ -1734,7 +1739,8 @@ int virtio_transport_read_skb(struct vsock_sock *vsk, skb_read_actor_t recv_acto
if (le32_to_cpu(hdr->flags) & VIRTIO_VSOCK_SEQ_EOM)
vvs->msg_count--;
- virtio_transport_dec_rx_pkt(vvs, le32_to_cpu(hdr->len));
+ pkt_len = le32_to_cpu(hdr->len);
+ virtio_transport_dec_rx_pkt(vvs, pkt_len, pkt_len);
spin_unlock_bh(&vvs->rx_lock);
virtio_transport_send_credit_update(vsk);