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Message-Id: <20240508080514.99458-4-xuanzhuo@linux.alibaba.com>
Date: Wed, 8 May 2024 16:05:10 +0800
From: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Jesper Dangaard Brouer <hawk@...nel.org>,
John Fastabend <john.fastabend@...il.com>,
virtualization@...ts.linux.dev,
bpf@...r.kernel.org
Subject: [PATCH net-next 3/7] virtio_net: add prefix virtnet to all struct inside virtio_net.h
We move some structures to the header file, but these structures do not
prefixed with virtnet. This patch adds virtnet for these.
Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
---
drivers/net/virtio/virtnet.h | 12 ++--
drivers/net/virtio/virtnet_main.c | 110 +++++++++++++++---------------
2 files changed, 61 insertions(+), 61 deletions(-)
diff --git a/drivers/net/virtio/virtnet.h b/drivers/net/virtio/virtnet.h
index a7990eb20ab5..4d902a79bde7 100644
--- a/drivers/net/virtio/virtnet.h
+++ b/drivers/net/virtio/virtnet.h
@@ -49,8 +49,8 @@ struct virtnet_rq_dma {
};
/* Internal representation of a send virtqueue */
-struct send_queue {
- /* Virtqueue associated with this send _queue */
+struct virtnet_sq {
+ /* Virtqueue associated with this virtnet_sq */
struct virtqueue *vq;
/* TX: fragments + linear part + virtio header */
@@ -70,8 +70,8 @@ struct send_queue {
};
/* Internal representation of a receive virtqueue */
-struct receive_queue {
- /* Virtqueue associated with this receive_queue */
+struct virtnet_rq {
+ /* Virtqueue associated with this virtnet_rq */
struct virtqueue *vq;
struct napi_struct napi;
@@ -142,8 +142,8 @@ struct virtnet_info {
struct virtio_device *vdev;
struct virtqueue *cvq;
struct net_device *dev;
- struct send_queue *sq;
- struct receive_queue *rq;
+ struct virtnet_sq *sq;
+ struct virtnet_rq *rq;
unsigned int status;
/* Max # of queue pairs supported by the device */
diff --git a/drivers/net/virtio/virtnet_main.c b/drivers/net/virtio/virtnet_main.c
index 1b85ba2bba8d..f9f01c10dff6 100644
--- a/drivers/net/virtio/virtnet_main.c
+++ b/drivers/net/virtio/virtnet_main.c
@@ -273,7 +273,7 @@ static struct xdp_frame *ptr_to_xdp(void *ptr)
return (struct xdp_frame *)((unsigned long)ptr & ~VIRTIO_XDP_FLAG);
}
-static void __free_old_xmit(struct send_queue *sq, bool in_napi,
+static void __free_old_xmit(struct virtnet_sq *sq, bool in_napi,
struct virtnet_sq_free_stats *stats)
{
unsigned int len;
@@ -342,7 +342,7 @@ skb_vnet_common_hdr(struct sk_buff *skb)
* private is used to chain pages for big packets, put the whole
* most recent used list in the beginning for reuse
*/
-static void give_pages(struct receive_queue *rq, struct page *page)
+static void give_pages(struct virtnet_rq *rq, struct page *page)
{
struct page *end;
@@ -352,7 +352,7 @@ static void give_pages(struct receive_queue *rq, struct page *page)
rq->pages = page;
}
-static struct page *get_a_page(struct receive_queue *rq, gfp_t gfp_mask)
+static struct page *get_a_page(struct virtnet_rq *rq, gfp_t gfp_mask)
{
struct page *p = rq->pages;
@@ -366,7 +366,7 @@ static struct page *get_a_page(struct receive_queue *rq, gfp_t gfp_mask)
}
static void virtnet_rq_free_buf(struct virtnet_info *vi,
- struct receive_queue *rq, void *buf)
+ struct virtnet_rq *rq, void *buf)
{
if (vi->mergeable_rx_bufs)
put_page(virt_to_head_page(buf));
@@ -481,7 +481,7 @@ static struct sk_buff *virtnet_build_skb(void *buf, unsigned int buflen,
/* Called from bottom half context */
static struct sk_buff *page_to_skb(struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
struct page *page, unsigned int offset,
unsigned int len, unsigned int truesize,
unsigned int headroom)
@@ -579,7 +579,7 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi,
return skb;
}
-static void virtnet_rq_unmap(struct receive_queue *rq, void *buf, u32 len)
+static void virtnet_rq_unmap(struct virtnet_rq *rq, void *buf, u32 len)
{
struct page *page = virt_to_head_page(buf);
struct virtnet_rq_dma *dma;
@@ -608,7 +608,7 @@ static void virtnet_rq_unmap(struct receive_queue *rq, void *buf, u32 len)
put_page(page);
}
-static void *virtnet_rq_get_buf(struct receive_queue *rq, u32 *len, void **ctx)
+static void *virtnet_rq_get_buf(struct virtnet_rq *rq, u32 *len, void **ctx)
{
void *buf;
@@ -619,7 +619,7 @@ static void *virtnet_rq_get_buf(struct receive_queue *rq, u32 *len, void **ctx)
return buf;
}
-static void virtnet_rq_init_one_sg(struct receive_queue *rq, void *buf, u32 len)
+static void virtnet_rq_init_one_sg(struct virtnet_rq *rq, void *buf, u32 len)
{
struct virtnet_rq_dma *dma;
dma_addr_t addr;
@@ -639,7 +639,7 @@ static void virtnet_rq_init_one_sg(struct receive_queue *rq, void *buf, u32 len)
rq->sg[0].length = len;
}
-static void *virtnet_rq_alloc(struct receive_queue *rq, u32 size, gfp_t gfp)
+static void *virtnet_rq_alloc(struct virtnet_rq *rq, u32 size, gfp_t gfp)
{
struct page_frag *alloc_frag = &rq->alloc_frag;
struct virtnet_rq_dma *dma;
@@ -711,7 +711,7 @@ 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;
+ struct virtnet_rq *rq;
int i = vq2rxq(vq);
rq = &vi->rq[i];
@@ -722,7 +722,7 @@ static void virtnet_rq_unmap_free_buf(struct virtqueue *vq, void *buf)
virtnet_rq_free_buf(vi, rq, buf);
}
-static void free_old_xmit(struct send_queue *sq, bool in_napi)
+static void free_old_xmit(struct virtnet_sq *sq, bool in_napi)
{
struct virtnet_sq_free_stats stats = {0};
@@ -752,7 +752,7 @@ static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q)
static void check_sq_full_and_disable(struct virtnet_info *vi,
struct net_device *dev,
- struct send_queue *sq)
+ struct virtnet_sq *sq)
{
bool use_napi = sq->napi.weight;
int qnum;
@@ -786,7 +786,7 @@ static void check_sq_full_and_disable(struct virtnet_info *vi,
}
static int __virtnet_xdp_xmit_one(struct virtnet_info *vi,
- struct send_queue *sq,
+ struct virtnet_sq *sq,
struct xdp_frame *xdpf)
{
struct virtio_net_hdr_mrg_rxbuf *hdr;
@@ -876,9 +876,9 @@ static int virtnet_xdp_xmit(struct net_device *dev,
{
struct virtnet_info *vi = netdev_priv(dev);
struct virtnet_sq_free_stats stats = {0};
- struct receive_queue *rq = vi->rq;
+ struct virtnet_rq *rq = vi->rq;
struct bpf_prog *xdp_prog;
- struct send_queue *sq;
+ struct virtnet_sq *sq;
int nxmit = 0;
int kicks = 0;
int ret;
@@ -1018,7 +1018,7 @@ static unsigned int virtnet_get_headroom(struct virtnet_info *vi)
* across multiple buffers (num_buf > 1), and we make sure buffers
* have enough headroom.
*/
-static struct page *xdp_linearize_page(struct receive_queue *rq,
+static struct page *xdp_linearize_page(struct virtnet_rq *rq,
int *num_buf,
struct page *p,
int offset,
@@ -1099,7 +1099,7 @@ static struct sk_buff *receive_small_build_skb(struct virtnet_info *vi,
static struct sk_buff *receive_small_xdp(struct net_device *dev,
struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
struct bpf_prog *xdp_prog,
void *buf,
unsigned int xdp_headroom,
@@ -1186,7 +1186,7 @@ static struct sk_buff *receive_small_xdp(struct net_device *dev,
static struct sk_buff *receive_small(struct net_device *dev,
struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
void *buf, void *ctx,
unsigned int len,
unsigned int *xdp_xmit,
@@ -1233,7 +1233,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
static struct sk_buff *receive_big(struct net_device *dev,
struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
void *buf,
unsigned int len,
struct virtnet_rq_stats *stats)
@@ -1254,7 +1254,7 @@ static struct sk_buff *receive_big(struct net_device *dev,
return NULL;
}
-static void mergeable_buf_free(struct receive_queue *rq, int num_buf,
+static void mergeable_buf_free(struct virtnet_rq *rq, int num_buf,
struct net_device *dev,
struct virtnet_rq_stats *stats)
{
@@ -1328,7 +1328,7 @@ static struct sk_buff *build_skb_from_xdp_buff(struct net_device *dev,
/* TODO: build xdp in big mode */
static int virtnet_build_xdp_buff_mrg(struct net_device *dev,
struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
struct xdp_buff *xdp,
void *buf,
unsigned int len,
@@ -1416,7 +1416,7 @@ static int virtnet_build_xdp_buff_mrg(struct net_device *dev,
}
static void *mergeable_xdp_get_buf(struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
struct bpf_prog *xdp_prog,
void *ctx,
unsigned int *frame_sz,
@@ -1491,7 +1491,7 @@ static void *mergeable_xdp_get_buf(struct virtnet_info *vi,
static struct sk_buff *receive_mergeable_xdp(struct net_device *dev,
struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
struct bpf_prog *xdp_prog,
void *buf,
void *ctx,
@@ -1551,7 +1551,7 @@ static struct sk_buff *receive_mergeable_xdp(struct net_device *dev,
static struct sk_buff *receive_mergeable(struct net_device *dev,
struct virtnet_info *vi,
- struct receive_queue *rq,
+ struct virtnet_rq *rq,
void *buf,
void *ctx,
unsigned int len,
@@ -1696,7 +1696,7 @@ static void virtio_skb_set_hash(const struct virtio_net_hdr_v1_hash *hdr_hash,
skb_set_hash(skb, __le32_to_cpu(hdr_hash->hash_value), rss_hash_type);
}
-static void receive_buf(struct virtnet_info *vi, struct receive_queue *rq,
+static void receive_buf(struct virtnet_info *vi, struct virtnet_rq *rq,
void *buf, unsigned int len, void **ctx,
unsigned int *xdp_xmit,
struct virtnet_rq_stats *stats)
@@ -1756,7 +1756,7 @@ static void receive_buf(struct virtnet_info *vi, struct receive_queue *rq,
* not need to use mergeable_len_to_ctx here - it is enough
* to store the headroom as the context ignoring the truesize.
*/
-static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
+static int add_recvbuf_small(struct virtnet_info *vi, struct virtnet_rq *rq,
gfp_t gfp)
{
char *buf;
@@ -1784,7 +1784,7 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+static int add_recvbuf_big(struct virtnet_info *vi, struct virtnet_rq *rq,
gfp_t gfp)
{
struct page *first, *list = NULL;
@@ -1833,7 +1833,7 @@ static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static unsigned int get_mergeable_buf_len(struct receive_queue *rq,
+static unsigned int get_mergeable_buf_len(struct virtnet_rq *rq,
struct ewma_pkt_len *avg_pkt_len,
unsigned int room)
{
@@ -1851,7 +1851,7 @@ static unsigned int get_mergeable_buf_len(struct receive_queue *rq,
}
static int add_recvbuf_mergeable(struct virtnet_info *vi,
- struct receive_queue *rq, gfp_t gfp)
+ struct virtnet_rq *rq, gfp_t gfp)
{
struct page_frag *alloc_frag = &rq->alloc_frag;
unsigned int headroom = virtnet_get_headroom(vi);
@@ -1905,7 +1905,7 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi,
* before we're receiving packets, or from refill_work which is
* careful to disable receiving (using napi_disable).
*/
-static bool try_fill_recv(struct virtnet_info *vi, struct receive_queue *rq,
+static bool try_fill_recv(struct virtnet_info *vi, struct virtnet_rq *rq,
gfp_t gfp)
{
int err;
@@ -1937,7 +1937,7 @@ static bool try_fill_recv(struct virtnet_info *vi, struct receive_queue *rq,
static void skb_recv_done(struct virtqueue *rvq)
{
struct virtnet_info *vi = rvq->vdev->priv;
- struct receive_queue *rq = &vi->rq[vq2rxq(rvq)];
+ struct virtnet_rq *rq = &vi->rq[vq2rxq(rvq)];
rq->calls++;
virtqueue_napi_schedule(&rq->napi, rvq);
@@ -1988,7 +1988,7 @@ static void refill_work(struct work_struct *work)
int i;
for (i = 0; i < vi->curr_queue_pairs; i++) {
- struct receive_queue *rq = &vi->rq[i];
+ struct virtnet_rq *rq = &vi->rq[i];
napi_disable(&rq->napi);
still_empty = !try_fill_recv(vi, rq, GFP_KERNEL);
@@ -2002,7 +2002,7 @@ static void refill_work(struct work_struct *work)
}
}
-static int virtnet_receive(struct receive_queue *rq, int budget,
+static int virtnet_receive(struct virtnet_rq *rq, int budget,
unsigned int *xdp_xmit)
{
struct virtnet_info *vi = rq->vq->vdev->priv;
@@ -2056,11 +2056,11 @@ static int virtnet_receive(struct receive_queue *rq, int budget,
return packets;
}
-static void virtnet_poll_cleantx(struct receive_queue *rq)
+static void virtnet_poll_cleantx(struct virtnet_rq *rq)
{
struct virtnet_info *vi = rq->vq->vdev->priv;
unsigned int index = vq2rxq(rq->vq);
- struct send_queue *sq = &vi->sq[index];
+ struct virtnet_sq *sq = &vi->sq[index];
struct netdev_queue *txq = netdev_get_tx_queue(vi->dev, index);
if (!sq->napi.weight || is_xdp_raw_buffer_queue(vi, index))
@@ -2084,7 +2084,7 @@ static void virtnet_poll_cleantx(struct receive_queue *rq)
}
}
-static void virtnet_rx_dim_update(struct virtnet_info *vi, struct receive_queue *rq)
+static void virtnet_rx_dim_update(struct virtnet_info *vi, struct virtnet_rq *rq)
{
struct dim_sample cur_sample = {};
@@ -2104,10 +2104,10 @@ static void virtnet_rx_dim_update(struct virtnet_info *vi, struct receive_queue
static int virtnet_poll(struct napi_struct *napi, int budget)
{
- struct receive_queue *rq =
- container_of(napi, struct receive_queue, napi);
+ struct virtnet_rq *rq =
+ container_of(napi, struct virtnet_rq, napi);
struct virtnet_info *vi = rq->vq->vdev->priv;
- struct send_queue *sq;
+ struct virtnet_sq *sq;
unsigned int received;
unsigned int xdp_xmit = 0;
bool napi_complete;
@@ -2210,7 +2210,7 @@ static int virtnet_open(struct net_device *dev)
static int virtnet_poll_tx(struct napi_struct *napi, int budget)
{
- struct send_queue *sq = container_of(napi, struct send_queue, napi);
+ struct virtnet_sq *sq = container_of(napi, struct virtnet_sq, napi);
struct virtnet_info *vi = sq->vq->vdev->priv;
unsigned int index = vq2txq(sq->vq);
struct netdev_queue *txq;
@@ -2254,7 +2254,7 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget)
return 0;
}
-static int xmit_skb(struct send_queue *sq, struct sk_buff *skb)
+static int xmit_skb(struct virtnet_sq *sq, struct sk_buff *skb)
{
struct virtio_net_hdr_mrg_rxbuf *hdr;
const unsigned char *dest = ((struct ethhdr *)skb->data)->h_dest;
@@ -2305,7 +2305,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct virtnet_info *vi = netdev_priv(dev);
int qnum = skb_get_queue_mapping(skb);
- struct send_queue *sq = &vi->sq[qnum];
+ struct virtnet_sq *sq = &vi->sq[qnum];
int err;
struct netdev_queue *txq = netdev_get_tx_queue(dev, qnum);
bool kick = !netdev_xmit_more();
@@ -2359,7 +2359,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
}
static int virtnet_rx_resize(struct virtnet_info *vi,
- struct receive_queue *rq, u32 ring_num)
+ struct virtnet_rq *rq, u32 ring_num)
{
bool running = netif_running(vi->dev);
int err, qindex;
@@ -2384,7 +2384,7 @@ static int virtnet_rx_resize(struct virtnet_info *vi,
}
static int virtnet_tx_resize(struct virtnet_info *vi,
- struct send_queue *sq, u32 ring_num)
+ struct virtnet_sq *sq, u32 ring_num)
{
bool running = netif_running(vi->dev);
struct netdev_queue *txq;
@@ -2546,8 +2546,8 @@ static void virtnet_stats(struct net_device *dev,
for (i = 0; i < vi->max_queue_pairs; i++) {
u64 tpackets, tbytes, terrors, rpackets, rbytes, rdrops;
- struct receive_queue *rq = &vi->rq[i];
- struct send_queue *sq = &vi->sq[i];
+ struct virtnet_rq *rq = &vi->rq[i];
+ struct virtnet_sq *sq = &vi->sq[i];
do {
start = u64_stats_fetch_begin(&sq->stats.syncp);
@@ -2950,8 +2950,8 @@ static int virtnet_set_ringparam(struct net_device *dev,
{
struct virtnet_info *vi = netdev_priv(dev);
u32 rx_pending, tx_pending;
- struct receive_queue *rq;
- struct send_queue *sq;
+ struct virtnet_rq *rq;
+ struct virtnet_sq *sq;
int i, err;
if (ring->rx_mini_pending || ring->rx_jumbo_pending)
@@ -3918,8 +3918,8 @@ static void virtnet_get_ethtool_stats(struct net_device *dev,
dev_warn(&vi->dev->dev, "Failed to get hw stats.\n");
for (i = 0; i < vi->curr_queue_pairs; i++) {
- struct receive_queue *rq = &vi->rq[i];
- struct send_queue *sq = &vi->sq[i];
+ struct virtnet_rq *rq = &vi->rq[i];
+ struct virtnet_sq *sq = &vi->sq[i];
stats_base = (const u8 *)&rq->stats;
do {
@@ -4145,8 +4145,8 @@ static int virtnet_send_notf_coal_vq_cmds(struct virtnet_info *vi,
static void virtnet_rx_dim_work(struct work_struct *work)
{
struct dim *dim = container_of(work, struct dim, work);
- struct receive_queue *rq = container_of(dim,
- struct receive_queue, dim);
+ struct virtnet_rq *rq = container_of(dim,
+ struct virtnet_rq, dim);
struct virtnet_info *vi = rq->vq->vdev->priv;
struct net_device *dev = vi->dev;
struct dim_cq_moder update_moder;
@@ -4488,7 +4488,7 @@ static void virtnet_get_queue_stats_rx(struct net_device *dev, int i,
struct netdev_queue_stats_rx *stats)
{
struct virtnet_info *vi = netdev_priv(dev);
- struct receive_queue *rq = &vi->rq[i];
+ struct virtnet_rq *rq = &vi->rq[i];
struct virtnet_stats_ctx ctx = {0};
virtnet_stats_ctx_init(vi, &ctx, (void *)stats, true);
@@ -4501,7 +4501,7 @@ static void virtnet_get_queue_stats_tx(struct net_device *dev, int i,
struct netdev_queue_stats_tx *stats)
{
struct virtnet_info *vi = netdev_priv(dev);
- struct send_queue *sq = &vi->sq[i];
+ struct virtnet_sq *sq = &vi->sq[i];
struct virtnet_stats_ctx ctx = {0};
virtnet_stats_ctx_init(vi, &ctx, (void *)stats, true);
@@ -4844,7 +4844,7 @@ static int virtnet_set_features(struct net_device *dev,
static void virtnet_tx_timeout(struct net_device *dev, unsigned int txqueue)
{
struct virtnet_info *priv = netdev_priv(dev);
- struct send_queue *sq = &priv->sq[txqueue];
+ struct virtnet_sq *sq = &priv->sq[txqueue];
struct netdev_queue *txq = netdev_get_tx_queue(dev, txqueue);
u64_stats_update_begin(&sq->stats.syncp);
--
2.32.0.3.g01195cf9f
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