drivers/infiniband/hw/hfi1/ipoib_rx.c

10

#define HFI1_IPOIB_SKB_PAD ((NET_SKB_PAD) + (NET_IP_ALIGN))

drivers/net/ethernet/airoha/airoha_eth.h

37

#define AIROHA_RX_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/amazon/ena/ena_netdev.c

221

rxr->rx_headroom = NET_SKB_PAD;

drivers/net/ethernet/amazon/ena/ena_xdp.c

248

rx_ring->rx_headroom = NET_SKB_PAD;

drivers/net/ethernet/aquantia/atlantic/aq_ring.h

16

#define AQ_XDP_HEADROOM ALIGN(max(NET_SKB_PAD, XDP_PACKET_HEADROOM), 8)

drivers/net/ethernet/atheros/ag71xx.c

1419

SKB_DATA_ALIGN(max_frame_len + NET_SKB_PAD + NET_IP_ALIGN);

drivers/net/ethernet/atheros/ag71xx.c

1882

ag->rx_buf_offset = NET_SKB_PAD;

drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c

546

skb_reserve(skb, NET_SKB_PAD);

drivers/net/ethernet/broadcom/bcm4908_enet.c

39

#define ENET_RX_SKB_BUF_SIZE (NET_SKB_PAD + NET_IP_ALIGN + \

drivers/net/ethernet/broadcom/bcm4908_enet.c

44

#define ENET_RX_BUF_DMA_OFFSET (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/broadcom/bcm63xx_enet.c

1738

priv->rx_buf_offset = NET_SKB_PAD;

drivers/net/ethernet/broadcom/bcm63xx_enet.c

2671

priv->rx_buf_offset = NET_SKB_PAD + NET_IP_ALIGN;

drivers/net/ethernet/broadcom/bgmac.h

329

#define BGMAC_RX_BUF_OFFSET (NET_SKB_PAD + NET_IP_ALIGN - \

drivers/net/ethernet/broadcom/bnge/bnge_netdev.c

1692

#define BNGE_RX_OFFSET (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/broadcom/bnge/bnge_netdev.c

1693

#define BNGE_RX_DMA_OFFSET NET_SKB_PAD

drivers/net/ethernet/broadcom/bnge/bnge_netdev.c

3236

rx_space = rx_size + ALIGN(NET_SKB_PAD, 8) +

drivers/net/ethernet/broadcom/bnge/bnge_netdev.c

3281

rx_space = rx_size + NET_SKB_PAD +

drivers/net/ethernet/broadcom/bnge/bnge_netdev.c

3320

NET_SKB_PAD - SKB_DATA_ALIGN(sizeof(struct skb_shared_info));

drivers/net/ethernet/broadcom/bnx2.c

5393

rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +

drivers/net/ethernet/broadcom/bnx2.c

5420

NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)));

drivers/net/ethernet/broadcom/bnx2.h

6633

return (struct l2_fhdr *)(PTR_ALIGN(data, BNX2_RX_ALIGN) + NET_SKB_PAD);

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

1030

pad += NET_SKB_PAD;

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

2049

if (fp->rx_buf_size + NET_SKB_PAD <= PAGE_SIZE)

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

2050

fp->rx_frag_size = fp->rx_buf_size + NET_SKB_PAD;

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

448

first_buf->data + NET_SKB_PAD,

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

706

return kmalloc(fp->rx_buf_size + NET_SKB_PAD, gfp_mask);

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

808

skb_reserve(skb, pad + NET_SKB_PAD);

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

852

mapping = dma_map_single(&bp->pdev->dev, data + NET_SKB_PAD,

drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c

2672

data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;

drivers/net/ethernet/broadcom/bnxt/bnxt.c

4858

NET_SKB_PAD - SKB_DATA_ALIGN(sizeof(struct skb_shared_info));

drivers/net/ethernet/broadcom/bnxt/bnxt.c

4873

rx_space = rx_size + ALIGN(max(NET_SKB_PAD, XDP_PACKET_HEADROOM), 8) +

drivers/net/ethernet/broadcom/bnxt/bnxt.c

4917

ALIGN(max(NET_SKB_PAD, XDP_PACKET_HEADROOM), 8) -

drivers/net/ethernet/broadcom/bnxt/bnxt.c

4924

rx_space = rx_size + NET_SKB_PAD +

drivers/net/ethernet/broadcom/bnxt/bnxt.c

88

#define BNXT_RX_OFFSET (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/broadcom/bnxt/bnxt.c

89

#define BNXT_RX_DMA_OFFSET NET_SKB_PAD

drivers/net/ethernet/broadcom/tg3.c

17001

tp->rx_offset = NET_SKB_PAD + NET_IP_ALIGN;

drivers/net/ethernet/broadcom/tg3.c

17005

tp->rx_offset = NET_SKB_PAD;

drivers/net/ethernet/broadcom/tg3.c

204

#define TG3_RX_OFFSET(tp) (NET_SKB_PAD)

drivers/net/ethernet/cavium/thunder/nicvf_queues.h

90

#define RCV_FRAG_LEN (SKB_DATA_ALIGN(DMA_BUFFER_LEN + NET_SKB_PAD) + \

drivers/net/ethernet/engleder/tsnep_main.c

34

#define TSNEP_RX_OFFSET (max(NET_SKB_PAD, XDP_PACKET_HEADROOM) + NET_IP_ALIGN)

drivers/net/ethernet/freescale/dpaa/dpaa_eth.c

2177

skb_reserve(new_skb, priv->tx_headroom - NET_SKB_PAD);

drivers/net/ethernet/freescale/enetc/enetc.h

81

#define ENETC_RXB_PAD NET_SKB_PAD /* add extra space if needed */

drivers/net/ethernet/fungible/funeth/funeth_rx.c

23

#define FUN_RX_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/hisilicon/hip04_eth.c

620

skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);

drivers/net/ethernet/ibm/emac/core.h

70

return SKB_DATA_ALIGN(size + NET_IP_ALIGN) + NET_SKB_PAD;

drivers/net/ethernet/intel/e1000/e1000_ethtool.c

1082

buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,

drivers/net/ethernet/intel/e1000/e1000_ethtool.c

1092

buf + NET_SKB_PAD + NET_IP_ALIGN,

drivers/net/ethernet/intel/e1000/e1000_ethtool.c

1430

NET_SKB_PAD + NET_IP_ALIGN,

drivers/net/ethernet/intel/e1000/e1000_main.c

2063

#define E1000_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/intel/i40e/i40e_txrx.h

133

((NET_SKB_PAD + I40E_RXBUFFER_1536) > SKB_WITH_OVERHEAD(I40E_RXBUFFER_2048))

drivers/net/ethernet/intel/i40e/i40e_txrx.h

170

#define I40E_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/intel/igb/igb.h

167

((NET_SKB_PAD + IGB_TS_HDR_LEN + IGB_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IGB_RXBUFFER_2048))

drivers/net/ethernet/intel/igb/igb.h

203

#define IGB_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/intel/igc/igc.h

519

#define IGC_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/intel/ixgbe/ixgbe.h

129

#define IXGBE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/intel/ixgbe/ixgbe.h

93

((NET_SKB_PAD + IXGBE_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IXGBE_RXBUFFER_2K))

drivers/net/ethernet/intel/ixgbevf/ixgbevf.h

155

#define IXGBEVF_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/lantiq_xrx200.c

125

return SKB_DATA_ALIGN(buf_size + NET_SKB_PAD + NET_IP_ALIGN) +

drivers/net/ethernet/lantiq_xrx200.c

210

ch->dma.desc_base[ch->dma.desc].addr = mapping + NET_SKB_PAD + NET_IP_ALIGN;

drivers/net/ethernet/lantiq_xrx200.c

249

skb_reserve(skb, NET_SKB_PAD);

drivers/net/ethernet/marvell/mv643xx_eth.c

173

#define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)

drivers/net/ethernet/marvell/mvneta.c

2596

MVNETA_MH_SIZE + NET_SKB_PAD,

drivers/net/ethernet/marvell/mvneta.c

2599

skb_put_data(skb, data + MVNETA_MH_SIZE + NET_SKB_PAD,

drivers/net/ethernet/marvell/mvneta.c

2648

skb_reserve(skb, MVNETA_MH_SIZE + NET_SKB_PAD);

drivers/net/ethernet/marvell/mvneta.c

3488

NET_SKB_PAD - pp->rx_offset_correction);

drivers/net/ethernet/marvell/mvneta.c

375

#define MVNETA_SKB_HEADROOM ALIGN(max(NET_SKB_PAD, XDP_PACKET_HEADROOM), 8)

drivers/net/ethernet/marvell/mvneta.c

5688

NET_SKB_PAD -

drivers/net/ethernet/marvell/mvneta_bm.h

87

#define MVNETA_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)

drivers/net/ethernet/marvell/mvpp2/mvpp2.h

26

#define MVPP2_SKB_HEADROOM min(max(XDP_PACKET_HEADROOM, NET_SKB_PAD), 224)

drivers/net/ethernet/marvell/pxa168_eth.c

173

#define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)

drivers/net/ethernet/mediatek/mtk_eth_soc.c

1256

int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN -

drivers/net/ethernet/mediatek/mtk_eth_soc.c

2320

new_data + NET_SKB_PAD + eth->ip_align,

drivers/net/ethernet/mediatek/mtk_eth_soc.c

2342

skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);

drivers/net/ethernet/mediatek/mtk_eth_soc.c

2860

data + NET_SKB_PAD + eth->ip_align,

drivers/net/ethernet/mediatek/mtk_eth_soc.h

39

#define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)

drivers/net/ethernet/mellanox/mlx5/core/en.h

79

#define MLX5_RX_HEADROOM NET_SKB_PAD

drivers/net/ethernet/mellanox/mlxsw/pci.c

341

#define MLXSW_PCI_SKB_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/netronome/nfp/nfp_net.h

97

#define NFP_NET_RX_BUF_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/qlogic/qed/qed_ll2.c

116

size_t size = cdev->ll2->rx_size + NET_SKB_PAD +

drivers/net/ethernet/qlogic/qed/qed_ll2.c

126

((*data) + NET_SKB_PAD),

drivers/net/ethernet/qlogic/qed/qed_ll2.c

213

data->u.placement_offset += NET_SKB_PAD;

drivers/net/ethernet/qlogic/qede/qede_main.c

1563

rxq->rx_headroom = edev->xdp_prog ? XDP_PACKET_HEADROOM : NET_SKB_PAD;

drivers/net/ethernet/renesas/rswitch.h

40

#define RSWITCH_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/socionext/netsec.c

242

#define NETSEC_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)

drivers/net/ethernet/socionext/netsec.c

243

#define NETSEC_RXBUF_HEADROOM (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + \

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

1531

return NET_SKB_PAD;

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

7996

ndev->max_mtu = SKB_MAX_HEAD(NET_SKB_PAD + NET_IP_ALIGN);

drivers/net/ethernet/ti/am65-cpsw-nuss.c

173

#define AM65_CPSW_HEADROOM_NA (max(NET_SKB_PAD, XDP_PACKET_HEADROOM) + NET_IP_ALIGN)

drivers/net/ethernet/ti/cpsw_priv.h

421

#define CPSW_HEADROOM_NA (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN)

drivers/net/ethernet/ti/icssg/icssg_prueth.h

260

#define PRUETH_HEADROOM_NA (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN)

drivers/net/ethernet/ti/netcp_core.c

26

#define NETCP_SOP_OFFSET (NET_IP_ALIGN + NET_SKB_PAD)

drivers/net/ipa/ipa_endpoint.c

1015

limit = ipa_aggr_size_kb(buffer_size - NET_SKB_PAD,

drivers/net/ipa/ipa_endpoint.c

1315

offset = NET_SKB_PAD;

drivers/net/ipa/ipa_endpoint.c

1433

WARN_ON(len > SKB_WITH_OVERHEAD(buffer_size - NET_SKB_PAD));

drivers/net/ipa/ipa_endpoint.c

1438

skb_reserve(skb, NET_SKB_PAD);

drivers/net/ipa/ipa_endpoint.c

1538

void *data = page_address(page) + NET_SKB_PAD;

drivers/net/ipa/ipa_endpoint.c

306

aggr_size = ipa_aggr_size_kb(buffer_size - NET_SKB_PAD,

drivers/net/ipa/ipa_endpoint.c

33

#define IPA_RX_BUFFER_OVERHEAD (PAGE_SIZE - SKB_MAX_ORDER(NET_SKB_PAD, 0))

drivers/net/netkit.c

213

headroom = NET_SKB_PAD;

drivers/net/tun.c

1142

if (new_hr < NET_SKB_PAD)

drivers/net/tun.c

1143

new_hr = NET_SKB_PAD;

drivers/net/tun.c

1433

len > (ETH_MAX_MTU - NET_SKB_PAD - NET_IP_ALIGN))

drivers/net/tun.c

2866

tun->align = NET_SKB_PAD;

drivers/net/tun.c

91

#define TUN_RX_PAD (NET_IP_ALIGN + NET_SKB_PAD)

drivers/net/virtio_net.c

60

#define VIRTNET_RX_PAD (NET_IP_ALIGN + NET_SKB_PAD)

drivers/net/wireguard/messages.h

122

sizeof(struct udphdr) + NET_SKB_PAD)

drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c

338

ret = pskb_expand_head(skb, ALIGN(head_delta, NET_SKB_PAD), 0,

drivers/net/wireless/realtek/rtw89/core.c

3768

if (unlikely(skb_headroom(skb) < RTW89_RADIOTAP_ROOM + NET_SKB_PAD))

drivers/net/xen-netback/netback.c

360

alloc_skb(size + NET_SKB_PAD + NET_IP_ALIGN,

drivers/net/xen-netback/netback.c

368

skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);

drivers/scsi/libfc/fc_frame.c

51

NET_SKB_PAD, GFP_ATOMIC);

drivers/scsi/libfc/fc_frame.c

54

skb_reserve(skb, NET_SKB_PAD + FC_FRAME_HEADROOM);

drivers/vhost/net.c

695

#define VHOST_NET_RX_PAD (NET_IP_ALIGN + NET_SKB_PAD)

include/linux/skbuff.h

3317

#ifndef NET_SKB_PAD

include/linux/skbuff.h

3880

return pskb_expand_head(skb, ALIGN(delta, NET_SKB_PAD), 0,

include/net/libeth/rx.h

15

#define LIBETH_SKB_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN)

include/net/libeth/rx.h

16

#define LIBETH_XDP_HEADROOM (ALIGN(XDP_PACKET_HEADROOM, NET_SKB_PAD) + \

lib/test_bpf.c

15165

u32 headroom = NET_SKB_PAD + NET_IP_ALIGN + ETH_HLEN;

net/bluetooth/6lowpan.c

290

local_skb = skb_copy_expand(skb, NET_SKB_PAD - 1,

net/bpf/test_run.c

1042

u32 headroom = NET_SKB_PAD + NET_IP_ALIGN;

net/bpf/test_run.c

1122

skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);

net/bpf/test_run.c

1803

NET_SKB_PAD + NET_IP_ALIGN,

net/bpf/test_run.c

1831

skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);

net/core/dev.c

5578

hroom > 0 ? ALIGN(hroom, NET_SKB_PAD) : 0,

net/core/gro.c

664

skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN - skb_headroom(skb));

net/core/pktgen.c

2911

skb = __alloc_skb(NET_SKB_PAD + size, GFP_NOWAIT, 0, node);

net/core/pktgen.c

2913

skb_reserve(skb, NET_SKB_PAD);

net/core/skbuff.c

105

#define GRO_MAX_HEAD_PAD (GRO_MAX_HEAD + NET_SKB_PAD + NET_IP_ALIGN)

net/core/skbuff.c

769

len += NET_SKB_PAD;

net/core/skbuff.c

818

skb_reserve(skb, NET_SKB_PAD);

net/core/skbuff.c

847

len += NET_SKB_PAD + NET_IP_ALIGN;

net/core/skbuff.c

888

skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);

net/l2tp/l2tp_core.c

1240

headroom = NET_SKB_PAD + sizeof(struct iphdr) + uhlen + session->hdr_len;

net/l2tp/l2tp_ip.c

464

skb = sock_wmalloc(sk, 2 + NET_SKB_PAD + sizeof(struct iphdr) +

net/l2tp/l2tp_ip.c

470

skb_reserve(skb, 2 + NET_SKB_PAD);

net/l2tp/l2tp_ppp.c

276

skb = sock_wmalloc(sk, NET_SKB_PAD + sizeof(struct iphdr) +

net/l2tp/l2tp_ppp.c

284

skb_reserve(skb, NET_SKB_PAD);

net/l2tp/l2tp_ppp.c

348

headroom = NET_SKB_PAD +

net/mac80211/rx.c

777

skb = skb_copy_expand(*origskb, needed_headroom + NET_SKB_PAD,

net/xdp/xsk.c

858

hr = max(NET_SKB_PAD, L1_CACHE_ALIGN(xs->dev->needed_headroom));

net/xdp/xsk.c

941

hr = max(NET_SKB_PAD, L1_CACHE_ALIGN(dev->needed_headroom));