| /linux/Documentation/translations/zh_CN/core-api/ |
| H A D | unaligned-memory-access.rst | 216 硬件，常数NET_IP_ALIGN被使用。在大多数架构上，这个常数的值是2，因为正常的以太网头是
218 例外是powerpc，它将NET_IP_ALIGN定义为0，因为DMA到未对齐的地址可能非常昂贵，与未对齐
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| /linux/drivers/net/ethernet/mellanox/mlx4/ |
| H A D | en_selftest.c | 60 skb = netdev_alloc_skb(priv->dev, MLX4_LOOPBACK_TEST_PAYLOAD + ETH_HLEN + NET_IP_ALIGN); in mlx4_en_test_loopback_xmit()
64 skb_reserve(skb, NET_IP_ALIGN); in mlx4_en_test_loopback_xmit()
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| H A D | mlx4_en.h | 170 #define SMALL_PACKET_SIZE (256 - NET_IP_ALIGN)
171 #define HEADER_COPY_SIZE (128 - NET_IP_ALIGN)
174 #define MLX4_SELFTEST_LB_MIN_MTU (MLX4_LOOPBACK_TEST_PAYLOAD + NET_IP_ALIGN + \
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| /linux/include/net/libeth/ |
| H A D | rx.h | 15 #define LIBETH_SKB_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)
17 NET_IP_ALIGN)
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| /linux/drivers/net/ethernet/intel/i40e/ |
| H A D | i40e_txrx.h | 157 rx_buf_len = I40E_RXBUFFER_3072 + SKB_DATA_ALIGN(NET_IP_ALIGN); in i40e_skb_pad()
162 rx_buf_len -= NET_IP_ALIGN; in i40e_skb_pad()
170 #define I40E_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)
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| /linux/drivers/net/ethernet/aeroflex/ |
| H A D | greth.c | 179 MAX_FRAME_SIZE+NET_IP_ALIGN, in greth_clean_rings()
246 skb = netdev_alloc_skb(greth->netdev, MAX_FRAME_SIZE+NET_IP_ALIGN); in greth_init_rings()
252 skb_reserve(skb, NET_IP_ALIGN); in greth_init_rings()
255 MAX_FRAME_SIZE+NET_IP_ALIGN, in greth_init_rings()
787 skb = netdev_alloc_skb(dev, pkt_len + NET_IP_ALIGN); in greth_rx()
797 skb_reserve(skb, NET_IP_ALIGN); in greth_rx()
897 if (!bad && (newskb=netdev_alloc_skb(dev, MAX_FRAME_SIZE + NET_IP_ALIGN))) { in greth_rx_gbit()
898 skb_reserve(newskb, NET_IP_ALIGN); in greth_rx_gbit()
902 MAX_FRAME_SIZE + NET_IP_ALIGN, in greth_rx_gbit()
911 MAX_FRAME_SIZE + NET_IP_ALIGN, in greth_rx_gbit()
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| /linux/drivers/net/ethernet/intel/ice/ |
| H A D | ice_txrx.h | 80 rx_buf_len = ICE_RXBUF_3072 + SKB_DATA_ALIGN(NET_IP_ALIGN); in ice_skb_pad()
85 rx_buf_len -= NET_IP_ALIGN; in ice_skb_pad()
93 #define ICE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)
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| /linux/drivers/net/vmxnet3/ |
| H A D | vmxnet3_xdp.h | 18 #define VMXNET3_XDP_HEADROOM (XDP_PACKET_HEADROOM + NET_IP_ALIGN)
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| /linux/drivers/net/ethernet/ibm/emac/ |
| H A D | core.h | 70 return SKB_DATA_ALIGN(size + NET_IP_ALIGN) + NET_SKB_PAD; in emac_rx_skb_size()
76 return SKB_DATA_ALIGN(emac_rx_size(mtu) + NET_IP_ALIGN); in emac_rx_sync_size()
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| H A D | core.c | 1071 dma_map_single(&dev->ofdev->dev, skb->data - NET_IP_ALIGN, in emac_resize_rx_ring()
1073 + NET_IP_ALIGN; in emac_resize_rx_ring()
1174 dma_map_single(&dev->ofdev->dev, skb->data - NET_IP_ALIGN, in __emac_prepare_rx_skb()
1175 dev->rx_sync_size, DMA_FROM_DEVICE) + NET_IP_ALIGN; in __emac_prepare_rx_skb()
1657 dma_map_single(&dev->ofdev->dev, skb->data - NET_IP_ALIGN, in emac_recycle_rx_skb()
1658 SKB_DATA_ALIGN(len + NET_IP_ALIGN), in emac_recycle_rx_skb()
1711 if (unlikely(tot_len + NET_IP_ALIGN > dev->rx_skb_size)) { in emac_rx_sg_append()
1774 memcpy(copy_skb->data - NET_IP_ALIGN, in emac_poll_rx()
1775 skb->data - NET_IP_ALIGN, in emac_poll_rx()
1776 len + NET_IP_ALIGN); in emac_poll_rx()
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| /linux/drivers/infiniband/hw/hfi1/ |
| H A D | ipoib_rx.c | 10 #define HFI1_IPOIB_SKB_PAD ((NET_SKB_PAD) + (NET_IP_ALIGN))
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| /linux/drivers/net/ethernet/tehuti/ |
| H A D | tehuti.h | 100 #ifndef NET_IP_ALIGN
101 # define NET_IP_ALIGN 2 macro
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| /linux/drivers/net/ethernet/intel/ixgbe/ |
| H A D | ixgbe.h | 91 #define IXGBE_MAX_2K_FRAME_BUILD_SKB (IXGBE_RXBUFFER_1536 - NET_IP_ALIGN)
117 rx_buf_len = IXGBE_RXBUFFER_3K + SKB_DATA_ALIGN(NET_IP_ALIGN); in ixgbe_skb_pad()
122 rx_buf_len -= NET_IP_ALIGN; in ixgbe_skb_pad()
129 #define IXGBE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)
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| /linux/net/batman-adv/ |
| H A D | bat_v_elp.c | 398 size = ETH_HLEN + NET_IP_ALIGN + BATADV_ELP_HLEN + tvlv_padding; in batadv_v_elp_iface_enable()
403 skb_reserve(hard_iface->bat_v.elp_skb, ETH_HLEN + NET_IP_ALIGN); in batadv_v_elp_iface_enable()
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| H A D | bat_v_ogm.c | 211 skb_aggr = dev_alloc_skb(aggr_len + ETH_HLEN + NET_IP_ALIGN); in batadv_v_ogm_aggr_send()
217 skb_reserve(skb_aggr, ETH_HLEN + NET_IP_ALIGN); in batadv_v_ogm_aggr_send()
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| /linux/drivers/net/ethernet/smsc/ |
| H A D | smsc9420.h | 35 #define PKT_BUF_SZ (VLAN_ETH_FRAME_LEN + NET_IP_ALIGN + 4)
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| /linux/drivers/net/ethernet/microchip/ |
| H A D | lan743x_main.h | 1177 #if ((NET_IP_ALIGN != 0) && (NET_IP_ALIGN != 2))
1178 #error NET_IP_ALIGN must be 0 or 2
1181 #define RX_HEAD_PADDING NET_IP_ALIGN
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| /linux/drivers/net/ethernet/apm/xgene/ |
| H A D | xgene_enet_main.h | 36 #define SKB_BUFFER_SIZE (XGENE_ENET_STD_MTU - NET_IP_ALIGN)
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| /linux/drivers/net/ethernet/sfc/ |
| H A D | efx_common.c | 383 2 * ALIGN(NET_IP_ALIGN + EFX_RX_USR_BUF_SIZE, in efx_start_datapath()
982 NET_IP_ALIGN ? (efx->rx_prefix_size + NET_IP_ALIGN) % 4 : 0; in efx_init_struct()
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| /linux/drivers/net/ethernet/sfc/siena/ |
| H A D | efx_common.c | 387 2 * ALIGN(NET_IP_ALIGN + EFX_RX_USR_BUF_SIZE, in efx_start_datapath()
1009 NET_IP_ALIGN ? (efx->rx_prefix_size + NET_IP_ALIGN) % 4 : 0; in efx_siena_init_struct()
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| H A D | tx.c | 33 ((index << EFX_TX_CB_ORDER) + NET_IP_ALIGN) & (PAGE_SIZE - 1); in efx_tx_get_copy_buffer()
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| /linux/arch/powerpc/include/asm/ |
| H A D | processor.h | 449 #define NET_IP_ALIGN 0 macro
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| /linux/arch/arm64/include/asm/ |
| H A D | processor.h | 17 #define NET_IP_ALIGN 0 macro
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| /linux/drivers/net/ethernet/amd/ |
| H A D | pcnet32.c | 175 #define PKT_BUF_SIZE (PKT_BUF_SKB - NET_IP_ALIGN)
177 #define NEG_BUF_SIZE (NET_IP_ALIGN - PKT_BUF_SKB)
579 skb_reserve(rx_skbuff, NET_IP_ALIGN); in pcnet32_realloc_rx_ring()
1229 skb_reserve(newskb, NET_IP_ALIGN); in pcnet32_rx_entry()
1254 skb = netdev_alloc_skb(dev, pkt_len + NET_IP_ALIGN); in pcnet32_rx_entry()
1261 skb_reserve(skb, NET_IP_ALIGN); in pcnet32_rx_entry()
2384 skb_reserve(rx_skbuff, NET_IP_ALIGN); in pcnet32_init_ring()
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| /linux/drivers/net/ethernet/xilinx/ |
| H A D | xilinx_emaclite.c | 598 skb = netdev_alloc_skb(dev, len + NET_IP_ALIGN); in xemaclite_rx_handler()
606 skb_reserve(skb, NET_IP_ALIGN); in xemaclite_rx_handler()
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