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authorYunsheng Lin <linyunsheng@huawei.com>2023-05-11 09:12:12 +0800
committerDavid S. Miller <davem@davemloft.net>2023-05-13 19:47:56 +0100
commitb51f4113ebb02011f0ca86abc3134b28d2071b6a (patch)
treeb28f53947c59ba27095dca90407b36ea38dce9aa /drivers/net
parent305c041899971ff210ad5f9c50249d179c95ada4 (diff)
net: introduce and use skb_frag_fill_page_desc()
Most users use __skb_frag_set_page()/skb_frag_off_set()/ skb_frag_size_set() to fill the page desc for a skb frag. Introduce skb_frag_fill_page_desc() to do that. net/bpf/test_run.c does not call skb_frag_off_set() to set the offset, "copy_from_user(page_address(page), ...)" and 'shinfo' being part of the 'data' kzalloced in bpf_test_init() suggest that it is assuming offset to be initialized as zero, so call skb_frag_fill_page_desc() with offset being zero for this case. Also, skb_frag_set_page() is not used anymore, so remove it. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.c6
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c5
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/sge.c5
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c32
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.c5
-rw-r--r--drivers/net/ethernet/fungible/funeth/funeth_rx.c5
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c5
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c4
-rw-r--r--drivers/net/ethernet/sun/cassini.c8
-rw-r--r--drivers/net/virtio_net.c4
-rw-r--r--drivers/net/vmxnet3/vmxnet3_drv.c4
-rw-r--r--drivers/net/xen-netback/netback.c4
12 files changed, 36 insertions, 51 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index 7f933175cbda..4de22eed099a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -532,10 +532,10 @@ static bool aq_add_rx_fragment(struct device *dev,
buff_->rxdata.pg_off,
buff_->len,
DMA_FROM_DEVICE);
- skb_frag_off_set(frag, buff_->rxdata.pg_off);
- skb_frag_size_set(frag, buff_->len);
sinfo->xdp_frags_size += buff_->len;
- __skb_frag_set_page(frag, buff_->rxdata.page);
+ skb_frag_fill_page_desc(frag, buff_->rxdata.page,
+ buff_->rxdata.pg_off,
+ buff_->len);
buff_->is_cleaned = 1;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index dcd9367f05af..efaff5018af8 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1085,9 +1085,8 @@ static u32 __bnxt_rx_agg_pages(struct bnxt *bp,
RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT;
cons_rx_buf = &rxr->rx_agg_ring[cons];
- skb_frag_off_set(frag, cons_rx_buf->offset);
- skb_frag_size_set(frag, frag_len);
- __skb_frag_set_page(frag, cons_rx_buf->page);
+ skb_frag_fill_page_desc(frag, cons_rx_buf->page,
+ cons_rx_buf->offset, frag_len);
shinfo->nr_frags = i + 1;
__clear_bit(cons, rxr->rx_agg_bmap);
diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c
index efa7f401529e..2e9a74fe0970 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c
@@ -2184,9 +2184,8 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
len -= offset;
rx_frag += nr_frags;
- __skb_frag_set_page(rx_frag, sd->pg_chunk.page);
- skb_frag_off_set(rx_frag, sd->pg_chunk.offset + offset);
- skb_frag_size_set(rx_frag, len);
+ skb_frag_fill_page_desc(rx_frag, sd->pg_chunk.page,
+ sd->pg_chunk.offset + offset, len);
skb->len += len;
skb->data_len += len;
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 7e408bcc88de..3164ed205cf7 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2343,11 +2343,10 @@ static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb,
hdr_len = ETH_HLEN;
memcpy(skb->data, start, hdr_len);
skb_shinfo(skb)->nr_frags = 1;
- skb_frag_set_page(skb, 0, page_info->page);
- skb_frag_off_set(&skb_shinfo(skb)->frags[0],
- page_info->page_offset + hdr_len);
- skb_frag_size_set(&skb_shinfo(skb)->frags[0],
- curr_frag_len - hdr_len);
+ skb_frag_fill_page_desc(&skb_shinfo(skb)->frags[0],
+ page_info->page,
+ page_info->page_offset + hdr_len,
+ curr_frag_len - hdr_len);
skb->data_len = curr_frag_len - hdr_len;
skb->truesize += rx_frag_size;
skb->tail += hdr_len;
@@ -2369,16 +2368,17 @@ static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb,
if (page_info->page_offset == 0) {
/* Fresh page */
j++;
- skb_frag_set_page(skb, j, page_info->page);
- skb_frag_off_set(&skb_shinfo(skb)->frags[j],
- page_info->page_offset);
- skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0);
+ skb_frag_fill_page_desc(&skb_shinfo(skb)->frags[j],
+ page_info->page,
+ page_info->page_offset,
+ curr_frag_len);
skb_shinfo(skb)->nr_frags++;
} else {
put_page(page_info->page);
+ skb_frag_size_add(&skb_shinfo(skb)->frags[j],
+ curr_frag_len);
}
- skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len);
skb->len += curr_frag_len;
skb->data_len += curr_frag_len;
skb->truesize += rx_frag_size;
@@ -2451,14 +2451,16 @@ static void be_rx_compl_process_gro(struct be_rx_obj *rxo,
if (i == 0 || page_info->page_offset == 0) {
/* First frag or Fresh page */
j++;
- skb_frag_set_page(skb, j, page_info->page);
- skb_frag_off_set(&skb_shinfo(skb)->frags[j],
- page_info->page_offset);
- skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0);
+ skb_frag_fill_page_desc(&skb_shinfo(skb)->frags[j],
+ page_info->page,
+ page_info->page_offset,
+ curr_frag_len);
} else {
put_page(page_info->page);
+ skb_frag_size_add(&skb_shinfo(skb)->frags[j],
+ curr_frag_len);
}
- skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len);
+
skb->truesize += rx_frag_size;
remaining -= curr_frag_len;
memset(page_info, 0, sizeof(*page_info));
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index 3c4fa26f0f9b..63854294ac33 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -1445,9 +1445,8 @@ static void enetc_add_rx_buff_to_xdp(struct enetc_bdr *rx_ring, int i,
xdp_buff_set_frag_pfmemalloc(xdp_buff);
frag = &shinfo->frags[shinfo->nr_frags];
- skb_frag_off_set(frag, rx_swbd->page_offset);
- skb_frag_size_set(frag, size);
- __skb_frag_set_page(frag, rx_swbd->page);
+ skb_frag_fill_page_desc(frag, rx_swbd->page, rx_swbd->page_offset,
+ size);
shinfo->nr_frags++;
}
diff --git a/drivers/net/ethernet/fungible/funeth/funeth_rx.c b/drivers/net/ethernet/fungible/funeth/funeth_rx.c
index 29a6c2ede43a..7e2584895de3 100644
--- a/drivers/net/ethernet/fungible/funeth/funeth_rx.c
+++ b/drivers/net/ethernet/fungible/funeth/funeth_rx.c
@@ -323,9 +323,8 @@ static int fun_gather_pkt(struct funeth_rxq *q, unsigned int tot_len,
if (ref_ok)
ref_ok |= buf->node;
- __skb_frag_set_page(frags, buf->page);
- skb_frag_off_set(frags, q->buf_offset);
- skb_frag_size_set(frags++, frag_len);
+ skb_frag_fill_page_desc(frags++, buf->page, q->buf_offset,
+ frag_len);
tot_len -= frag_len;
if (!tot_len)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 6c6b66d3ea6e..e2abc00d0472 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2376,9 +2376,8 @@ mvneta_swbm_add_rx_fragment(struct mvneta_port *pp,
if (data_len > 0 && sinfo->nr_frags < MAX_SKB_FRAGS) {
skb_frag_t *frag = &sinfo->frags[sinfo->nr_frags++];
- skb_frag_off_set(frag, pp->rx_offset_correction);
- skb_frag_size_set(frag, data_len);
- __skb_frag_set_page(frag, page);
+ skb_frag_fill_page_desc(frag, page,
+ pp->rx_offset_correction, data_len);
if (!xdp_buff_has_frags(xdp)) {
sinfo->xdp_frags_size = *size;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 69634829558e..704b022cd1f0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -491,9 +491,7 @@ mlx5e_add_skb_shared_info_frag(struct mlx5e_rq *rq, struct skb_shared_info *sinf
}
frag = &sinfo->frags[sinfo->nr_frags++];
- __skb_frag_set_page(frag, frag_page->page);
- skb_frag_off_set(frag, frag_offset);
- skb_frag_size_set(frag, len);
+ skb_frag_fill_page_desc(frag, frag_page->page, frag_offset, len);
if (page_is_pfmemalloc(frag_page->page))
xdp_buff_set_frag_pfmemalloc(xdp);
diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index 4ef05bad4613..2d52f54ebb45 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -1998,10 +1998,8 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
skb->truesize += hlen - swivel;
skb->len += hlen - swivel;
- __skb_frag_set_page(frag, page->buffer);
+ skb_frag_fill_page_desc(frag, page->buffer, off, hlen - swivel);
__skb_frag_ref(frag);
- skb_frag_off_set(frag, off);
- skb_frag_size_set(frag, hlen - swivel);
/* any more data? */
if ((words[0] & RX_COMP1_SPLIT_PKT) && ((dlen -= hlen) > 0)) {
@@ -2024,10 +2022,8 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
skb->len += hlen;
frag++;
- __skb_frag_set_page(frag, page->buffer);
+ skb_frag_fill_page_desc(frag, page->buffer, 0, hlen);
__skb_frag_ref(frag);
- skb_frag_off_set(frag, 0);
- skb_frag_size_set(frag, hlen);
RX_USED_ADD(page, hlen + cp->crc_size);
}
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 97241006d64a..29eccc8ff41f 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1272,9 +1272,7 @@ static int virtnet_build_xdp_buff_mrg(struct net_device *dev,
}
frag = &shinfo->frags[shinfo->nr_frags++];
- __skb_frag_set_page(frag, page);
- skb_frag_off_set(frag, offset);
- skb_frag_size_set(frag, len);
+ skb_frag_fill_page_desc(frag, page, offset, len);
if (page_is_pfmemalloc(page))
xdp_buff_set_frag_pfmemalloc(xdp);
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index f2b76ee866a4..7fa74b8b2100 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -686,9 +686,7 @@ vmxnet3_append_frag(struct sk_buff *skb, struct Vmxnet3_RxCompDesc *rcd,
BUG_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS);
- __skb_frag_set_page(frag, rbi->page);
- skb_frag_off_set(frag, 0);
- skb_frag_size_set(frag, rcd->len);
+ skb_frag_fill_page_desc(frag, rbi->page, 0, rcd->len);
skb->data_len += rcd->len;
skb->truesize += PAGE_SIZE;
skb_shinfo(skb)->nr_frags++;
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index c1501f41e2d8..3d79b35eb577 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1128,9 +1128,7 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s
BUG();
offset += len;
- __skb_frag_set_page(&frags[i], page);
- skb_frag_off_set(&frags[i], 0);
- skb_frag_size_set(&frags[i], len);
+ skb_frag_fill_page_desc(&frags[i], page, 0, len);
}
/* Release all the original (foreign) frags. */