| /Linux-v5.10/net/ieee802154/6lowpan/ |
| D | tx.c | 108 frag = alloc_skb(wdev->needed_headroom + wdev->needed_tailroom + size, in lowpan_alloc_frag()
114 skb_reserve(frag, wdev->needed_headroom); in lowpan_alloc_frag()
263 if (unlikely(skb_headroom(skb) < ldev->needed_headroom || in lowpan_xmit()
267 nskb = skb_copy_expand(skb, ldev->needed_headroom, in lowpan_xmit()
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| D | core.c | 167 ldev->needed_headroom = LOWPAN_IPHC_MAX_HEADER_LEN + in lowpan_newlink()
168 wdev->needed_headroom; in lowpan_newlink()
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| /Linux-v5.10/net/batman-adv/ |
| D | hard-interface.c | 533 unsigned short needed_headroom; in batadv_hardif_recalc_extra_skbroom() local
547 hard_iface->net_dev->needed_headroom); in batadv_hardif_recalc_extra_skbroom()
554 needed_headroom = lower_headroom + (lower_header_len - ETH_HLEN); in batadv_hardif_recalc_extra_skbroom()
555 needed_headroom += batadv_max_header_len(); in batadv_hardif_recalc_extra_skbroom()
558 needed_headroom += sizeof(struct batadv_frag_packet); in batadv_hardif_recalc_extra_skbroom()
560 soft_iface->needed_headroom = needed_headroom; in batadv_hardif_recalc_extra_skbroom()
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| /Linux-v5.10/net/ipv4/ |
| D | ip_tunnel.c | 315 hlen = tdev->hard_header_len + tdev->needed_headroom; in ip_tunnel_bind_dev()
319 dev->needed_headroom = t_hlen + hlen; in ip_tunnel_bind_dev()
612 if (headroom > dev->needed_headroom) in ip_md_tunnel_xmit()
613 dev->needed_headroom = headroom; in ip_md_tunnel_xmit()
615 if (skb_cow_head(skb, dev->needed_headroom)) { in ip_md_tunnel_xmit()
797 if (max_headroom > dev->needed_headroom) in ip_tunnel_xmit()
798 dev->needed_headroom = max_headroom; in ip_tunnel_xmit()
800 if (skb_cow_head(skb, dev->needed_headroom)) { in ip_tunnel_xmit()
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| D | ip_gre.c | 491 if (skb_cow_head(skb, dev->needed_headroom)) in gre_fb_xmit()
542 if (skb_cow_head(skb, dev->needed_headroom)) in erspan_fb_xmit()
639 if (skb_cow_head(skb, dev->needed_headroom)) in ipgre_xmit()
675 if (skb_cow_head(skb, dev->needed_headroom)) in erspan_xmit()
727 if (skb_cow_head(skb, dev->needed_headroom)) in gre_tap_xmit()
752 dev->needed_headroom += len; in ipgre_link_update()
949 dev->needed_headroom = tunnel->hlen + sizeof(tunnel->parms.iph); in __gre_tunnel_init()
994 dev->needed_headroom = 0; in ipgre_tunnel_init()
1000 dev->needed_headroom = 0; in ipgre_tunnel_init()
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| /Linux-v5.10/net/l2tp/ |
| D | l2tp_eth.c | 215 dev->needed_headroom += sizeof(struct udphdr); in l2tp_eth_adjust_mtu()
241 dev->needed_headroom += session->hdr_len; in l2tp_eth_adjust_mtu()
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| /Linux-v5.10/drivers/net/wan/ |
| D | lapbether.c | 343 ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len in lapbeth_new_device()
344 + dev->needed_headroom; in lapbeth_new_device()
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| D | hdlc_x25.c | 310 dev->needed_headroom = 3 - 1; in x25_ioctl()
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| D | hdlc.c | 241 dev->needed_headroom = 0; in hdlc_setup_dev()
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| D | x25_asy.c | 773 dev->needed_headroom = 3 - 1; in x25_asy_setup()
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| /Linux-v5.10/net/bridge/ |
| D | br_if.c | 311 br->dev->needed_headroom = new_hr; in update_headroom()
341 if (netdev_get_fwd_headroom(dev) == br->dev->needed_headroom) in del_nbp()
657 br_hr = br->dev->needed_headroom; in br_add_if()
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| /Linux-v5.10/drivers/net/ethernet/qualcomm/rmnet/ |
| D | rmnet_vnd.c | 202 rmnet_dev->needed_headroom = RMNET_NEEDED_HEADROOM; in rmnet_vnd_setup()
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| /Linux-v5.10/drivers/net/ipa/ |
| D | ipa_modem.c | 156 netdev->needed_headroom = sizeof(struct rmnet_map_header); in ipa_modem_netdev_setup()
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| /Linux-v5.10/net/mac80211/ |
| D | rx.c | 696 int rt_hdrlen, needed_headroom; in ieee80211_make_monitor_skb() local
701 needed_headroom = rt_hdrlen - rtap_space; in ieee80211_make_monitor_skb()
715 if (skb_headroom(skb) < needed_headroom && in ieee80211_make_monitor_skb()
716 pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC)) { in ieee80211_make_monitor_skb()
725 skb = skb_copy_expand(*origskb, needed_headroom, 0, GFP_ATOMIC); in ieee80211_make_monitor_skb()
3653 int needed_headroom; in ieee80211_rx_cooked_monitor() local
3670 needed_headroom = ieee80211_rx_radiotap_hdrlen(local, status, skb); in ieee80211_rx_cooked_monitor()
3672 if (skb_headroom(skb) < needed_headroom && in ieee80211_rx_cooked_monitor()
3673 pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC)) in ieee80211_rx_cooked_monitor()
3677 ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom, in ieee80211_rx_cooked_monitor()
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| /Linux-v5.10/net/8021q/ |
| D | vlan_dev.c | 590 dev->needed_headroom = real_dev->needed_headroom; in vlan_dev_init()
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| /Linux-v5.10/net/ipv6/ |
| D | ip6_gre.c | 737 if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen)) in __gre6_xmit()
969 if (skb_cow_head(skb, dev->needed_headroom ?: t->hlen)) in ip6erspan_tunnel_xmit()
1142 dev->needed_headroom = dst_len; in ip6gre_tnl_link_config_route()
1171 tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; in ip6gre_calc_hlen()
1854 tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; in ip6erspan_calc_hlen()
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| /Linux-v5.10/drivers/net/ethernet/sun/ |
| D | ldmvsw.c | 238 dev->needed_headroom = VNET_PACKET_SKIP + 8; in vsw_alloc_netdev()
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| D | sunvnet.c | 294 dev->needed_headroom = VNET_PACKET_SKIP + 8; in vnet_new()
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| /Linux-v5.10/net/xfrm/ |
| D | xfrm_interface.c | 601 dev->needed_headroom = phydev->needed_headroom; in xfrmi_dev_init()
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| /Linux-v5.10/drivers/net/wireguard/ |
| D | device.c | 268 dev->needed_headroom = DATA_PACKET_HEAD_ROOM; in wg_setup()
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| /Linux-v5.10/drivers/net/ethernet/freescale/dpaa2/ |
| D | dpaa2-eth.c | 1075 unsigned int needed_headroom; in __dpaa2_eth_tx() local
1084 needed_headroom = dpaa2_eth_needed_headroom(skb); in __dpaa2_eth_tx()
1103 } else if (skb_headroom(skb) < needed_headroom) { in __dpaa2_eth_tx()
2289 unsigned int needed_headroom; in dpaa2_eth_xdp_create_fd() local
2297 needed_headroom = dpaa2_eth_needed_headroom(NULL); in dpaa2_eth_xdp_create_fd()
2298 if (xdpf->headroom < needed_headroom) in dpaa2_eth_xdp_create_fd()
2305 buffer_start = xdpf->data - needed_headroom; in dpaa2_eth_xdp_create_fd()
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| /Linux-v5.10/drivers/net/ |
| D | vxlan.c | 3774 unsigned short needed_headroom = ETH_HLEN; in vxlan_config_apply() local
3800 needed_headroom = lowerdev->hard_header_len; in vxlan_config_apply()
3801 needed_headroom += lowerdev->needed_headroom; in vxlan_config_apply()
3818 needed_headroom += VXLAN6_HEADROOM; in vxlan_config_apply()
3820 needed_headroom += VXLAN_HEADROOM; in vxlan_config_apply()
3821 dev->needed_headroom = needed_headroom; in vxlan_config_apply()
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| D | veth.c | 1129 dev->needed_headroom = new_hr; in veth_set_rx_headroom()
1130 peer->needed_headroom = new_hr; in veth_set_rx_headroom()
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| D | gtp.c | 565 if (skb_cow_head(skb, dev->needed_headroom)) in gtp_dev_xmit()
630 dev->needed_headroom = LL_MAX_HEADER + in gtp_link_setup()
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| /Linux-v5.10/drivers/net/usb/ |
| D | asix_devices.c | 269 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ in ax88172_bind()
724 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ in ax88772_bind()
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