diff options
Diffstat (limited to 'drivers/net/ethernet')
23 files changed, 130 insertions, 164 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 06596fa1f9fe..1db6cfd2b55c 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -1585,10 +1585,9 @@ static int ena_xdp_handle_buff(struct ena_ring *rx_ring, struct xdp_buff *xdp) int ret; rx_info = &rx_ring->rx_buffer_info[rx_ring->ena_bufs[0].req_id]; - xdp->data = page_address(rx_info->page) + rx_info->page_offset; - xdp_set_data_meta_invalid(xdp); - xdp->data_hard_start = page_address(rx_info->page); - xdp->data_end = xdp->data + rx_ring->ena_bufs[0].len; + xdp_prepare_buff(xdp, page_address(rx_info->page), + rx_info->page_offset, + rx_ring->ena_bufs[0].len, false); /* If for some reason we received a bigger packet than * we expect, then we simply drop it */ @@ -1634,8 +1633,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev, "%s qid %d\n", __func__, rx_ring->qid); res_budget = budget; - xdp.rxq = &rx_ring->xdp_rxq; - xdp.frame_sz = ENA_PAGE_SIZE; + xdp_init_buff(&xdp, ENA_PAGE_SIZE, &rx_ring->xdp_rxq); do { xdp_verdict = XDP_PASS; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index fcc262064766..641303894341 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -133,12 +133,9 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons, dma_sync_single_for_cpu(&pdev->dev, mapping + offset, *len, bp->rx_dir); txr = rxr->bnapi->tx_ring; - xdp.data_hard_start = *data_ptr - offset; - xdp.data = *data_ptr; - xdp_set_data_meta_invalid(&xdp); - xdp.data_end = *data_ptr + *len; - xdp.rxq = &rxr->xdp_rxq; - xdp.frame_sz = PAGE_SIZE; /* BNXT_RX_PAGE_MODE(bp) when XDP enabled */ + /* BNXT_RX_PAGE_MODE(bp) when XDP enabled */ + xdp_init_buff(&xdp, PAGE_SIZE, &rxr->xdp_rxq); + xdp_prepare_buff(&xdp, *data_ptr - offset, offset, *len, false); orig_data = xdp.data; rcu_read_lock(); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index f3b7b443f964..c33b4e837515 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -530,6 +530,7 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, struct cqe_rx_t *cqe_rx, struct snd_queue *sq, struct rcv_queue *rq, struct sk_buff **skb) { + unsigned char *hard_start, *data; struct xdp_buff xdp; struct page *page; u32 action; @@ -547,12 +548,11 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, cpu_addr = (u64)phys_to_virt(cpu_addr); page = virt_to_page((void *)cpu_addr); - xdp.data_hard_start = page_address(page); - xdp.data = (void *)cpu_addr; - xdp_set_data_meta_invalid(&xdp); - xdp.data_end = xdp.data + len; - xdp.rxq = &rq->xdp_rxq; - xdp.frame_sz = RCV_FRAG_LEN + XDP_PACKET_HEADROOM; + xdp_init_buff(&xdp, RCV_FRAG_LEN + XDP_PACKET_HEADROOM, + &rq->xdp_rxq); + hard_start = page_address(page); + data = (unsigned char *)cpu_addr; + xdp_prepare_buff(&xdp, hard_start, data - hard_start, len, false); orig_data = xdp.data; rcu_read_lock(); diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 4360ce4d3fb6..d8e568f6caf3 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2532,12 +2532,10 @@ static u32 dpaa_run_xdp(struct dpaa_priv *priv, struct qm_fd *fd, void *vaddr, return XDP_PASS; } - xdp.data = vaddr + fd_off; - xdp.data_meta = xdp.data; - xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM; - xdp.data_end = xdp.data + qm_fd_get_length(fd); - xdp.frame_sz = DPAA_BP_RAW_SIZE - DPAA_TX_PRIV_DATA_SIZE; - xdp.rxq = &dpaa_fq->xdp_rxq; + xdp_init_buff(&xdp, DPAA_BP_RAW_SIZE - DPAA_TX_PRIV_DATA_SIZE, + &dpaa_fq->xdp_rxq); + xdp_prepare_buff(&xdp, vaddr + fd_off - XDP_PACKET_HEADROOM, + XDP_PACKET_HEADROOM, qm_fd_get_length(fd), true); /* We reserve a fixed headroom of 256 bytes under the erratum and we * offer it all to XDP programs to use. If no room is left for the diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 7cb286e53369..41e225baf571 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -350,7 +350,7 @@ static u32 dpaa2_eth_run_xdp(struct dpaa2_eth_priv *priv, struct bpf_prog *xdp_prog; struct xdp_buff xdp; u32 xdp_act = XDP_PASS; - int err; + int err, offset; rcu_read_lock(); @@ -358,14 +358,10 @@ static u32 dpaa2_eth_run_xdp(struct dpaa2_eth_priv *priv, if (!xdp_prog) goto out; - xdp.data = vaddr + dpaa2_fd_get_offset(fd); - xdp.data_end = xdp.data + dpaa2_fd_get_len(fd); - xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM; - xdp_set_data_meta_invalid(&xdp); - xdp.rxq = &ch->xdp_rxq; - - xdp.frame_sz = DPAA2_ETH_RX_BUF_RAW_SIZE - - (dpaa2_fd_get_offset(fd) - XDP_PACKET_HEADROOM); + offset = dpaa2_fd_get_offset(fd) - XDP_PACKET_HEADROOM; + xdp_init_buff(&xdp, DPAA2_ETH_RX_BUF_RAW_SIZE - offset, &ch->xdp_rxq); + xdp_prepare_buff(&xdp, vaddr + offset, XDP_PACKET_HEADROOM, + dpaa2_fd_get_len(fd), false); xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp); diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 4aca637d4a23..2574e78f7597 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2344,7 +2344,7 @@ static void i40e_inc_ntc(struct i40e_ring *rx_ring) **/ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) { - unsigned int total_rx_bytes = 0, total_rx_packets = 0; + unsigned int total_rx_bytes = 0, total_rx_packets = 0, frame_sz = 0; struct sk_buff *skb = rx_ring->skb; u16 cleaned_count = I40E_DESC_UNUSED(rx_ring); unsigned int xdp_xmit = 0; @@ -2352,9 +2352,9 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) struct xdp_buff xdp; #if (PAGE_SIZE < 8192) - xdp.frame_sz = i40e_rx_frame_truesize(rx_ring, 0); + frame_sz = i40e_rx_frame_truesize(rx_ring, 0); #endif - xdp.rxq = &rx_ring->xdp_rxq; + xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq); while (likely(total_rx_packets < (unsigned int)budget)) { struct i40e_rx_buffer *rx_buffer; @@ -2406,12 +2406,12 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) /* retrieve a buffer from the ring */ if (!skb) { - xdp.data = page_address(rx_buffer->page) + - rx_buffer->page_offset; - xdp.data_meta = xdp.data; - xdp.data_hard_start = xdp.data - - i40e_rx_offset(rx_ring); - xdp.data_end = xdp.data + size; + unsigned int offset = i40e_rx_offset(rx_ring); + unsigned char *hard_start; + + hard_start = page_address(rx_buffer->page) + + rx_buffer->page_offset - offset; + xdp_prepare_buff(&xdp, hard_start, offset, size, true); #if (PAGE_SIZE > 4096) /* At larger PAGE_SIZE, frame_sz depend on len size */ xdp.frame_sz = i40e_rx_frame_truesize(rx_ring, size); diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index a2d0aad8cfdd..422f53997c02 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -1089,23 +1089,25 @@ ice_is_non_eop(struct ice_ring *rx_ring, union ice_32b_rx_flex_desc *rx_desc, */ int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget) { - unsigned int total_rx_bytes = 0, total_rx_pkts = 0; + unsigned int total_rx_bytes = 0, total_rx_pkts = 0, frame_sz = 0; u16 cleaned_count = ICE_DESC_UNUSED(rx_ring); unsigned int xdp_res, xdp_xmit = 0; struct bpf_prog *xdp_prog = NULL; struct xdp_buff xdp; bool failure; - xdp.rxq = &rx_ring->xdp_rxq; /* Frame size depend on rx_ring setup when PAGE_SIZE=4K */ #if (PAGE_SIZE < 8192) - xdp.frame_sz = ice_rx_frame_truesize(rx_ring, 0); + frame_sz = ice_rx_frame_truesize(rx_ring, 0); #endif + xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq); /* start the loop to process Rx packets bounded by 'budget' */ while (likely(total_rx_pkts < (unsigned int)budget)) { + unsigned int offset = ice_rx_offset(rx_ring); union ice_32b_rx_flex_desc *rx_desc; struct ice_rx_buf *rx_buf; + unsigned char *hard_start; struct sk_buff *skb; unsigned int size; u16 stat_err_bits; @@ -1151,10 +1153,9 @@ int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget) goto construct_skb; } - xdp.data = page_address(rx_buf->page) + rx_buf->page_offset; - xdp.data_hard_start = xdp.data - ice_rx_offset(rx_ring); - xdp.data_meta = xdp.data; - xdp.data_end = xdp.data + size; + hard_start = page_address(rx_buf->page) + rx_buf->page_offset - + offset; + xdp_prepare_buff(&xdp, hard_start, offset, size, true); #if (PAGE_SIZE > 4096) /* At larger PAGE_SIZE, frame_sz depend on len size */ xdp.frame_sz = ice_rx_frame_truesize(rx_ring, size); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 03f78fdb0dcd..6b5adbd9660b 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -8681,13 +8681,13 @@ static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget) u16 cleaned_count = igb_desc_unused(rx_ring); unsigned int xdp_xmit = 0; struct xdp_buff xdp; - - xdp.rxq = &rx_ring->xdp_rxq; + u32 frame_sz = 0; /* Frame size depend on rx_ring setup when PAGE_SIZE=4K */ #if (PAGE_SIZE < 8192) - xdp.frame_sz = igb_rx_frame_truesize(rx_ring, 0); + frame_sz = igb_rx_frame_truesize(rx_ring, 0); #endif + xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq); while (likely(total_packets < budget)) { union e1000_adv_rx_desc *rx_desc; @@ -8715,12 +8715,12 @@ static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget) /* retrieve a buffer from the ring */ if (!skb) { - xdp.data = page_address(rx_buffer->page) + - rx_buffer->page_offset; - xdp.data_meta = xdp.data; - xdp.data_hard_start = xdp.data - - igb_rx_offset(rx_ring); - xdp.data_end = xdp.data + size; + unsigned int offset = igb_rx_offset(rx_ring); + unsigned char *hard_start; + + hard_start = page_address(rx_buffer->page) + + rx_buffer->page_offset - offset; + xdp_prepare_buff(&xdp, hard_start, offset, size, true); #if (PAGE_SIZE > 4096) /* At larger PAGE_SIZE, frame_sz depend on len size */ xdp.frame_sz = igb_rx_frame_truesize(rx_ring, size); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 6cbbe09ce8a0..56dca73d158e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -2291,7 +2291,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, struct ixgbe_ring *rx_ring, const int budget) { - unsigned int total_rx_bytes = 0, total_rx_packets = 0; + unsigned int total_rx_bytes = 0, total_rx_packets = 0, frame_sz = 0; struct ixgbe_adapter *adapter = q_vector->adapter; #ifdef IXGBE_FCOE int ddp_bytes; @@ -2301,12 +2301,11 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, unsigned int xdp_xmit = 0; struct xdp_buff xdp; - xdp.rxq = &rx_ring->xdp_rxq; - /* Frame size depend on rx_ring setup when PAGE_SIZE=4K */ #if (PAGE_SIZE < 8192) - xdp.frame_sz = ixgbe_rx_frame_truesize(rx_ring, 0); + frame_sz = ixgbe_rx_frame_truesize(rx_ring, 0); #endif + xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq); while (likely(total_rx_packets < budget)) { union ixgbe_adv_rx_desc *rx_desc; @@ -2336,12 +2335,12 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, /* retrieve a buffer from the ring */ if (!skb) { - xdp.data = page_address(rx_buffer->page) + - rx_buffer->page_offset; - xdp.data_meta = xdp.data; - xdp.data_hard_start = xdp.data - - ixgbe_rx_offset(rx_ring); - xdp.data_end = xdp.data + size; + unsigned int offset = ixgbe_rx_offset(rx_ring); + unsigned char *hard_start; + + hard_start = page_address(rx_buffer->page) + + rx_buffer->page_offset - offset; + xdp_prepare_buff(&xdp, hard_start, offset, size, true); #if (PAGE_SIZE > 4096) /* At larger PAGE_SIZE, frame_sz depend on len size */ xdp.frame_sz = ixgbe_rx_frame_truesize(rx_ring, size); diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 4061cd7db5dd..a534a3fb392e 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1121,19 +1121,18 @@ static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector, struct ixgbevf_ring *rx_ring, int budget) { - unsigned int total_rx_bytes = 0, total_rx_packets = 0; + unsigned int total_rx_bytes = 0, total_rx_packets = 0, frame_sz = 0; struct ixgbevf_adapter *adapter = q_vector->adapter; u16 cleaned_count = ixgbevf_desc_unused(rx_ring); struct sk_buff *skb = rx_ring->skb; bool xdp_xmit = false; struct xdp_buff xdp; - xdp.rxq = &rx_ring->xdp_rxq; - /* Frame size depend on rx_ring setup when PAGE_SIZE=4K */ #if (PAGE_SIZE < 8192) - xdp.frame_sz = ixgbevf_rx_frame_truesize(rx_ring, 0); + frame_sz = ixgbevf_rx_frame_truesize(rx_ring, 0); #endif + xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq); while (likely(total_rx_packets < budget)) { struct ixgbevf_rx_buffer *rx_buffer; @@ -1161,12 +1160,12 @@ static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector, /* retrieve a buffer from the ring */ if (!skb) { - xdp.data = page_address(rx_buffer->page) + - rx_buffer->page_offset; - xdp.data_meta = xdp.data; - xdp.data_hard_start = xdp.data - - ixgbevf_rx_offset(rx_ring); - xdp.data_end = xdp.data + size; + unsigned int offset = ixgbevf_rx_offset(rx_ring); + unsigned char *hard_start; + + hard_start = page_address(rx_buffer->page) + + rx_buffer->page_offset - offset; + xdp_prepare_buff(&xdp, hard_start, offset, size, true); #if (PAGE_SIZE > 4096) /* At larger PAGE_SIZE, frame_sz depend on len size */ xdp.frame_sz = ixgbevf_rx_frame_truesize(rx_ring, size); diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index bc4d8d144401..6290bfb6494e 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2263,11 +2263,8 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp, /* Prefetch header */ prefetch(data); - - xdp->data_hard_start = data; - xdp->data = data + pp->rx_offset_correction + MVNETA_MH_SIZE; - xdp->data_end = xdp->data + data_len; - xdp_set_data_meta_invalid(xdp); + xdp_prepare_buff(xdp, data, pp->rx_offset_correction + MVNETA_MH_SIZE, + data_len, false); sinfo = xdp_get_shared_info_from_buff(xdp); sinfo->nr_frags = 0; @@ -2363,9 +2360,8 @@ static int mvneta_rx_swbm(struct napi_struct *napi, u32 desc_status, frame_sz; struct xdp_buff xdp_buf; + xdp_init_buff(&xdp_buf, PAGE_SIZE, &rxq->xdp_rxq); xdp_buf.data_hard_start = NULL; - xdp_buf.frame_sz = PAGE_SIZE; - xdp_buf.rxq = &rxq->xdp_rxq; sinfo.nr_frags = 0; diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 358119d98358..143522908477 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -3563,17 +3563,17 @@ static int mvpp2_rx(struct mvpp2_port *port, struct napi_struct *napi, frag_size = bm_pool->frag_size; if (xdp_prog) { - xdp.data_hard_start = data; - xdp.data = data + MVPP2_MH_SIZE + MVPP2_SKB_HEADROOM; - xdp.data_end = xdp.data + rx_bytes; - xdp.frame_sz = PAGE_SIZE; + struct xdp_rxq_info *xdp_rxq; if (bm_pool->pkt_size == MVPP2_BM_SHORT_PKT_SIZE) - xdp.rxq = &rxq->xdp_rxq_short; + xdp_rxq = &rxq->xdp_rxq_short; else - xdp.rxq = &rxq->xdp_rxq_long; + xdp_rxq = &rxq->xdp_rxq_long; - xdp_set_data_meta_invalid(&xdp); + xdp_init_buff(&xdp, PAGE_SIZE, xdp_rxq); + xdp_prepare_buff(&xdp, data, + MVPP2_MH_SIZE + MVPP2_SKB_HEADROOM, + rx_bytes, false); ret = mvpp2_run_xdp(port, rxq, xdp_prog, &xdp, pp, &ps); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index c1c9118a66c9..e35e4d7ef4d1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -682,8 +682,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud /* Protect accesses to: ring->xdp_prog, priv->mac_hash list */ rcu_read_lock(); xdp_prog = rcu_dereference(ring->xdp_prog); - xdp.rxq = &ring->xdp_rxq; - xdp.frame_sz = priv->frag_info[0].frag_stride; + xdp_init_buff(&xdp, priv->frag_info[0].frag_stride, &ring->xdp_rxq); doorbell_pending = false; /* We assume a 1:1 mapping between CQEs and Rx descriptors, so Rx @@ -777,10 +776,8 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud priv->frag_info[0].frag_size, DMA_FROM_DEVICE); - xdp.data_hard_start = va - frags[0].page_offset; - xdp.data = va; - xdp_set_data_meta_invalid(&xdp); - xdp.data_end = xdp.data + length; + xdp_prepare_buff(&xdp, va - frags[0].page_offset, + frags[0].page_offset, length, false); orig_data = xdp.data; act = bpf_prog_run_xdp(xdp_prog, &xdp); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index cb8e3d2b4750..dec93d57542f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1126,12 +1126,8 @@ struct sk_buff *mlx5e_build_linear_skb(struct mlx5e_rq *rq, void *va, static void mlx5e_fill_xdp_buff(struct mlx5e_rq *rq, void *va, u16 headroom, u32 len, struct xdp_buff *xdp) { - xdp->data_hard_start = va; - xdp->data = va + headroom; - xdp_set_data_meta_invalid(xdp); - xdp->data_end = xdp->data + len; - xdp->rxq = &rq->xdp_rxq; - xdp->frame_sz = rq->buff.frame0_sz; + xdp_init_buff(xdp, rq->buff.frame0_sz, &rq->xdp_rxq); + xdp_prepare_buff(xdp, va, headroom, len, false); } static struct sk_buff * diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c index 0a721f6e8676..e31f8fbbc696 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c @@ -3109,13 +3109,19 @@ mem_xadd(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, bool is64) return 0; } -static int mem_xadd4(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) +static int mem_atomic4(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) { + if (meta->insn.imm != BPF_ADD) + return -EOPNOTSUPP; + return mem_xadd(nfp_prog, meta, false); } -static int mem_xadd8(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) +static int mem_atomic8(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) { + if (meta->insn.imm != BPF_ADD) + return -EOPNOTSUPP; + return mem_xadd(nfp_prog, meta, true); } @@ -3475,8 +3481,8 @@ static const instr_cb_t instr_cb[256] = { [BPF_STX | BPF_MEM | BPF_H] = mem_stx2, [BPF_STX | BPF_MEM | BPF_W] = mem_stx4, [BPF_STX | BPF_MEM | BPF_DW] = mem_stx8, - [BPF_STX | BPF_XADD | BPF_W] = mem_xadd4, - [BPF_STX | BPF_XADD | BPF_DW] = mem_xadd8, + [BPF_STX | BPF_ATOMIC | BPF_W] = mem_atomic4, + [BPF_STX | BPF_ATOMIC | BPF_DW] = mem_atomic8, [BPF_ST | BPF_MEM | BPF_B] = mem_st1, [BPF_ST | BPF_MEM | BPF_H] = mem_st2, [BPF_ST | BPF_MEM | BPF_W] = mem_st4, diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.h b/drivers/net/ethernet/netronome/nfp/bpf/main.h index fac9c6f9e197..d0e17eebddd9 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/main.h +++ b/drivers/net/ethernet/netronome/nfp/bpf/main.h @@ -428,9 +428,9 @@ static inline bool is_mbpf_classic_store_pkt(const struct nfp_insn_meta *meta) return is_mbpf_classic_store(meta) && meta->ptr.type == PTR_TO_PACKET; } -static inline bool is_mbpf_xadd(const struct nfp_insn_meta *meta) +static inline bool is_mbpf_atomic(const struct nfp_insn_meta *meta) { - return (meta->insn.code & ~BPF_SIZE_MASK) == (BPF_STX | BPF_XADD); + return (meta->insn.code & ~BPF_SIZE_MASK) == (BPF_STX | BPF_ATOMIC); } static inline bool is_mbpf_mul(const struct nfp_insn_meta *meta) diff --git a/drivers/net/ethernet/netronome/nfp/bpf/verifier.c b/drivers/net/ethernet/netronome/nfp/bpf/verifier.c index e92ee510fd52..9d235c0ce46a 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/verifier.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/verifier.c @@ -479,7 +479,7 @@ nfp_bpf_check_ptr(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, pr_vlog(env, "map writes not supported\n"); return -EOPNOTSUPP; } - if (is_mbpf_xadd(meta)) { + if (is_mbpf_atomic(meta)) { err = nfp_bpf_map_mark_used(env, meta, reg, NFP_MAP_USE_ATOMIC_CNT); if (err) @@ -523,12 +523,17 @@ exit_check_ptr: } static int -nfp_bpf_check_xadd(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, - struct bpf_verifier_env *env) +nfp_bpf_check_atomic(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, + struct bpf_verifier_env *env) { const struct bpf_reg_state *sreg = cur_regs(env) + meta->insn.src_reg; const struct bpf_reg_state *dreg = cur_regs(env) + meta->insn.dst_reg; + if (meta->insn.imm != BPF_ADD) { + pr_vlog(env, "atomic op not implemented: %d\n", meta->insn.imm); + return -EOPNOTSUPP; + } + if (dreg->type != PTR_TO_MAP_VALUE) { pr_vlog(env, "atomic add not to a map value pointer: %d\n", dreg->type); @@ -655,8 +660,8 @@ int nfp_verify_insn(struct bpf_verifier_env *env, int insn_idx, if (is_mbpf_store(meta)) return nfp_bpf_check_store(nfp_prog, meta, env); - if (is_mbpf_xadd(meta)) - return nfp_bpf_check_xadd(nfp_prog, meta, env); + if (is_mbpf_atomic(meta)) + return nfp_bpf_check_atomic(nfp_prog, meta, env); if (is_mbpf_alu(meta)) return nfp_bpf_check_alu(nfp_prog, meta, env); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 7ba8f4c7f26d..eeb30680b4dc 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1822,8 +1822,8 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) rcu_read_lock(); xdp_prog = READ_ONCE(dp->xdp_prog); true_bufsz = xdp_prog ? PAGE_SIZE : dp->fl_bufsz; - xdp.frame_sz = PAGE_SIZE - NFP_NET_RX_BUF_HEADROOM; - xdp.rxq = &rx_ring->xdp_rxq; + xdp_init_buff(&xdp, PAGE_SIZE - NFP_NET_RX_BUF_HEADROOM, + &rx_ring->xdp_rxq); tx_ring = r_vec->xdp_ring; while (pkts_polled < budget) { @@ -1914,10 +1914,10 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) unsigned int dma_off; int act; - xdp.data_hard_start = rxbuf->frag + NFP_NET_RX_BUF_HEADROOM; - xdp.data = orig_data; - xdp.data_meta = orig_data; - xdp.data_end = orig_data + pkt_len; + xdp_prepare_buff(&xdp, + rxbuf->frag + NFP_NET_RX_BUF_HEADROOM, + pkt_off - NFP_NET_RX_BUF_HEADROOM, + pkt_len, true); act = bpf_prog_run_xdp(xdp_prog, &xdp); diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index ca0ee29a57b5..70c8d3cd85c0 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -1090,12 +1090,9 @@ static bool qede_rx_xdp(struct qede_dev *edev, struct xdp_buff xdp; enum xdp_action act; - xdp.data_hard_start = page_address(bd->data); - xdp.data = xdp.data_hard_start + *data_offset; - xdp_set_data_meta_invalid(&xdp); - xdp.data_end = xdp.data + *len; - xdp.rxq = &rxq->xdp_rxq; - xdp.frame_sz = rxq->rx_buf_seg_size; /* PAGE_SIZE when XDP enabled */ + xdp_init_buff(&xdp, rxq->rx_buf_seg_size, &rxq->xdp_rxq); + xdp_prepare_buff(&xdp, page_address(bd->data), *data_offset, + *len, false); /* Queues always have a full reset currently, so for the time * being until there's atomic program replace just mark read diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index aaa112877561..89c5c75f479f 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -293,14 +293,10 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel, memcpy(rx_prefix, *ehp - efx->rx_prefix_size, efx->rx_prefix_size); - xdp.data = *ehp; - xdp.data_hard_start = xdp.data - EFX_XDP_HEADROOM; - + xdp_init_buff(&xdp, efx->rx_page_buf_step, &rx_queue->xdp_rxq_info); /* No support yet for XDP metadata */ - xdp_set_data_meta_invalid(&xdp); - xdp.data_end = xdp.data + rx_buf->len; - xdp.rxq = &rx_queue->xdp_rxq_info; - xdp.frame_sz = efx->rx_page_buf_step; + xdp_prepare_buff(&xdp, *ehp - EFX_XDP_HEADROOM, EFX_XDP_HEADROOM, + rx_buf->len, false); xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp); rcu_read_unlock(); diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index 19d20a6d0d44..3c53051bdacf 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -956,8 +956,7 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) u32 xdp_act = 0; int done = 0; - xdp.rxq = &dring->xdp_rxq; - xdp.frame_sz = PAGE_SIZE; + xdp_init_buff(&xdp, PAGE_SIZE, &dring->xdp_rxq); rcu_read_lock(); xdp_prog = READ_ONCE(priv->xdp_prog); @@ -1016,10 +1015,8 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) dma_dir); prefetch(desc->addr); - xdp.data_hard_start = desc->addr; - xdp.data = desc->addr + NETSEC_RXBUF_HEADROOM; - xdp_set_data_meta_invalid(&xdp); - xdp.data_end = xdp.data + pkt_len; + xdp_prepare_buff(&xdp, desc->addr, NETSEC_RXBUF_HEADROOM, + pkt_len, false); if (xdp_prog) { xdp_result = netsec_run_xdp(priv, xdp_prog, &xdp); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index b0f00b4edd94..5239318e9686 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -392,21 +392,15 @@ static void cpsw_rx_handler(void *token, int len, int status) } if (priv->xdp_prog) { + int headroom = CPSW_HEADROOM, size = len; + + xdp_init_buff(&xdp, PAGE_SIZE, &priv->xdp_rxq[ch]); if (status & CPDMA_RX_VLAN_ENCAP) { - xdp.data = pa + CPSW_HEADROOM + - CPSW_RX_VLAN_ENCAP_HDR_SIZE; - xdp.data_end = xdp.data + len - - CPSW_RX_VLAN_ENCAP_HDR_SIZE; - } else { - xdp.data = pa + CPSW_HEADROOM; - xdp.data_end = xdp.data + len; + headroom += CPSW_RX_VLAN_ENCAP_HDR_SIZE; + size -= CPSW_RX_VLAN_ENCAP_HDR_SIZE; } - xdp_set_data_meta_invalid(&xdp); - - xdp.data_hard_start = pa; - xdp.rxq = &priv->xdp_rxq[ch]; - xdp.frame_sz = PAGE_SIZE; + xdp_prepare_buff(&xdp, pa, headroom, size, false); port = priv->emac_port + cpsw->data.dual_emac; ret = cpsw_run_xdp(priv, ch, &xdp, page, port); diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 2f5e0ad23ad7..94747f82c60b 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -335,21 +335,15 @@ static void cpsw_rx_handler(void *token, int len, int status) } if (priv->xdp_prog) { + int headroom = CPSW_HEADROOM, size = len; + + xdp_init_buff(&xdp, PAGE_SIZE, &priv->xdp_rxq[ch]); if (status & CPDMA_RX_VLAN_ENCAP) { - xdp.data = pa + CPSW_HEADROOM + - CPSW_RX_VLAN_ENCAP_HDR_SIZE; - xdp.data_end = xdp.data + len - - CPSW_RX_VLAN_ENCAP_HDR_SIZE; - } else { - xdp.data = pa + CPSW_HEADROOM; - xdp.data_end = xdp.data + len; + headroom += CPSW_RX_VLAN_ENCAP_HDR_SIZE; + size -= CPSW_RX_VLAN_ENCAP_HDR_SIZE; } - xdp_set_data_meta_invalid(&xdp); - - xdp.data_hard_start = pa; - xdp.rxq = &priv->xdp_rxq[ch]; - xdp.frame_sz = PAGE_SIZE; + xdp_prepare_buff(&xdp, pa, headroom, size, false); ret = cpsw_run_xdp(priv, ch, &xdp, page, priv->emac_port); if (ret != CPSW_XDP_PASS) |