diff options
author | Jakub Kicinski <kuba@kernel.org> | 2024-01-04 18:04:58 -0800 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2024-01-04 18:06:46 -0800 |
commit | e63c1822ac32a865dd02a18107fc933fd7b30f6f (patch) | |
tree | 3d3875012e8412080a5ecc5f71d8f7e849bd4a95 /drivers/net/virtio_net.c | |
parent | a180b0b1a6c484a091f2f20f9c6b9e5e726cbd31 (diff) | |
parent | 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 (diff) | |
download | lwn-e63c1822ac32a865dd02a18107fc933fd7b30f6f.tar.gz lwn-e63c1822ac32a865dd02a18107fc933fd7b30f6f.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Conflicts:
drivers/net/ethernet/broadcom/bnxt/bnxt.c
e009b2efb7a8 ("bnxt_en: Remove mis-applied code from bnxt_cfg_ntp_filters()")
0f2b21477988 ("bnxt_en: Fix compile error without CONFIG_RFS_ACCEL")
https://lore.kernel.org/all/20240105115509.225aa8a2@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r-- | drivers/net/virtio_net.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 25cf44ce95dd..3cb8aa193884 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -349,7 +349,6 @@ struct virtio_net_common_hdr { }; }; -static void virtnet_rq_free_unused_buf(struct virtqueue *vq, void *buf); static void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf); static bool is_xdp_frame(void *ptr) @@ -423,6 +422,17 @@ static struct page *get_a_page(struct receive_queue *rq, gfp_t gfp_mask) return p; } +static void virtnet_rq_free_buf(struct virtnet_info *vi, + struct receive_queue *rq, void *buf) +{ + if (vi->mergeable_rx_bufs) + put_page(virt_to_head_page(buf)); + else if (vi->big_packets) + give_pages(rq, buf); + else + put_page(virt_to_head_page(buf)); +} + static void enable_delayed_refill(struct virtnet_info *vi) { spin_lock_bh(&vi->refill_lock); @@ -653,17 +663,6 @@ static void *virtnet_rq_get_buf(struct receive_queue *rq, u32 *len, void **ctx) return buf; } -static void *virtnet_rq_detach_unused_buf(struct receive_queue *rq) -{ - void *buf; - - buf = virtqueue_detach_unused_buf(rq->vq); - if (buf && rq->do_dma) - virtnet_rq_unmap(rq, buf, 0); - - return buf; -} - static void virtnet_rq_init_one_sg(struct receive_queue *rq, void *buf, u32 len) { struct virtnet_rq_dma *dma; @@ -763,6 +762,20 @@ static void virtnet_rq_set_premapped(struct virtnet_info *vi) } } +static void virtnet_rq_unmap_free_buf(struct virtqueue *vq, void *buf) +{ + struct virtnet_info *vi = vq->vdev->priv; + struct receive_queue *rq; + int i = vq2rxq(vq); + + rq = &vi->rq[i]; + + if (rq->do_dma) + virtnet_rq_unmap(rq, buf, 0); + + virtnet_rq_free_buf(vi, rq, buf); +} + static void free_old_xmit_skbs(struct send_queue *sq, bool in_napi) { unsigned int len; @@ -1783,7 +1796,7 @@ static void receive_buf(struct virtnet_info *vi, struct receive_queue *rq, if (unlikely(len < vi->hdr_len + ETH_HLEN)) { pr_debug("%s: short packet %i\n", dev->name, len); DEV_STATS_INC(dev, rx_length_errors); - virtnet_rq_free_unused_buf(rq->vq, buf); + virtnet_rq_free_buf(vi, rq, buf); return; } @@ -2440,7 +2453,7 @@ static int virtnet_rx_resize(struct virtnet_info *vi, cancel_work_sync(&rq->dim.work); } - err = virtqueue_resize(rq->vq, ring_num, virtnet_rq_free_unused_buf); + err = virtqueue_resize(rq->vq, ring_num, virtnet_rq_unmap_free_buf); if (err) netdev_err(vi->dev, "resize rx fail: rx queue index: %d err: %d\n", qindex, err); @@ -4230,19 +4243,6 @@ static void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf) xdp_return_frame(ptr_to_xdp(buf)); } -static void virtnet_rq_free_unused_buf(struct virtqueue *vq, void *buf) -{ - struct virtnet_info *vi = vq->vdev->priv; - int i = vq2rxq(vq); - - if (vi->mergeable_rx_bufs) - put_page(virt_to_head_page(buf)); - else if (vi->big_packets) - give_pages(&vi->rq[i], buf); - else - put_page(virt_to_head_page(buf)); -} - static void free_unused_bufs(struct virtnet_info *vi) { void *buf; @@ -4256,10 +4256,10 @@ static void free_unused_bufs(struct virtnet_info *vi) } for (i = 0; i < vi->max_queue_pairs; i++) { - struct receive_queue *rq = &vi->rq[i]; + struct virtqueue *vq = vi->rq[i].vq; - while ((buf = virtnet_rq_detach_unused_buf(rq)) != NULL) - virtnet_rq_free_unused_buf(rq->vq, buf); + while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) + virtnet_rq_unmap_free_buf(vq, buf); cond_resched(); } } |