From b51f4113ebb02011f0ca86abc3134b28d2071b6a Mon Sep 17 00:00:00 2001 From: Yunsheng Lin Date: Thu, 11 May 2023 09:12:12 +0800 Subject: 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 Reviewed-by: Leon Romanovsky Reviewed-by: Simon Horman Signed-off-by: David S. Miller --- drivers/net/ethernet/aquantia/atlantic/aq_ring.c | 6 ++--- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 5 ++-- drivers/net/ethernet/chelsio/cxgb3/sge.c | 5 ++-- drivers/net/ethernet/emulex/benet/be_main.c | 32 +++++++++++++----------- drivers/net/ethernet/freescale/enetc/enetc.c | 5 ++-- drivers/net/ethernet/fungible/funeth/funeth_rx.c | 5 ++-- drivers/net/ethernet/marvell/mvneta.c | 5 ++-- drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 4 +-- drivers/net/ethernet/sun/cassini.c | 8 ++---- drivers/net/virtio_net.c | 4 +-- drivers/net/vmxnet3/vmxnet3_drv.c | 4 +-- drivers/net/xen-netback/netback.c | 4 +-- 12 files changed, 36 insertions(+), 51 deletions(-) (limited to 'drivers/net') 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. */ -- cgit