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Searched refs:needed_headroom (Results 1 – 15 of 15) sorted by relevance

/net/batman-adv/
Dhard-interface.c544 unsigned short needed_headroom; in batadv_hardif_recalc_extra_skbroom() local
558 hard_iface->net_dev->needed_headroom); in batadv_hardif_recalc_extra_skbroom()
565 needed_headroom = lower_headroom + (lower_header_len - ETH_HLEN); in batadv_hardif_recalc_extra_skbroom()
566 needed_headroom += batadv_max_header_len(); in batadv_hardif_recalc_extra_skbroom()
569 needed_headroom += sizeof(struct batadv_frag_packet); in batadv_hardif_recalc_extra_skbroom()
571 soft_iface->needed_headroom = needed_headroom; in batadv_hardif_recalc_extra_skbroom()
/net/ieee802154/6lowpan/
Dtx.c108 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()
Dcore.c159 ldev->needed_headroom = LOWPAN_IPHC_MAX_HEADER_LEN + in lowpan_newlink()
160 wdev->needed_headroom; in lowpan_newlink()
/net/ipv4/
Dip_gre.c490 if (skb_cow_head(skb, dev->needed_headroom)) in gre_fb_xmit()
540 if (skb_cow_head(skb, dev->needed_headroom)) in erspan_fb_xmit()
651 if (skb_cow_head(skb, dev->needed_headroom)) in ipgre_xmit()
687 if (skb_cow_head(skb, dev->needed_headroom)) in erspan_xmit()
739 if (skb_cow_head(skb, dev->needed_headroom)) in gre_tap_xmit()
764 dev->needed_headroom += len; in ipgre_link_update()
968 dev->needed_headroom = tunnel->hlen + sizeof(tunnel->parms.iph); in __gre_tunnel_init()
1013 dev->needed_headroom = 0; in ipgre_tunnel_init()
1019 dev->needed_headroom = 0; in ipgre_tunnel_init()
Dip_tunnel.c315 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()
560 if (headroom > READ_ONCE(dev->needed_headroom)) in ip_tunnel_adj_headroom()
561 WRITE_ONCE(dev->needed_headroom, headroom); in ip_tunnel_adj_headroom()
/net/l2tp/
Dl2tp_eth.c228 dev->needed_headroom += sizeof(struct udphdr); in l2tp_eth_adjust_mtu()
254 dev->needed_headroom += session->hdr_len; in l2tp_eth_adjust_mtu()
/net/bridge/
Dbr_if.c312 br->dev->needed_headroom = new_hr; in update_headroom()
340 if (netdev_get_fwd_headroom(dev) == br->dev->needed_headroom) in del_nbp()
656 br_hr = br->dev->needed_headroom; in br_add_if()
/net/ipv6/
Dip6_gre.c754 if (skb_cow_head(skb, dev->needed_headroom ?: tun_hlen + tunnel->encap_hlen)) in __gre6_xmit()
764 if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen)) in __gre6_xmit()
968 if (skb_cow_head(skb, dev->needed_headroom ?: t->hlen)) in ip6erspan_tunnel_xmit()
1147 dev->needed_headroom = dst_len; in ip6gre_tnl_link_config_route()
1178 tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; in ip6gre_calc_hlen()
1860 tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; in ip6erspan_calc_hlen()
Dsit.c1092 hlen = tdev->hard_header_len + tdev->needed_headroom; in ipip6_tunnel_bind_dev()
1094 dev->needed_headroom = t_hlen + hlen; in ipip6_tunnel_bind_dev()
Dip6_tunnel.c1204 if (max_headroom > READ_ONCE(dev->needed_headroom)) in ip6_tnl_xmit()
1205 WRITE_ONCE(dev->needed_headroom, max_headroom); in ip6_tnl_xmit()
/net/mac80211/
Drx.c709 int rt_hdrlen, needed_headroom; in ieee80211_make_monitor_skb() local
714 needed_headroom = rt_hdrlen - rtap_space; in ieee80211_make_monitor_skb()
728 if (skb_headroom(skb) < needed_headroom && in ieee80211_make_monitor_skb()
729 pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC)) { in ieee80211_make_monitor_skb()
738 skb = skb_copy_expand(*origskb, needed_headroom, 0, GFP_ATOMIC); in ieee80211_make_monitor_skb()
3624 int needed_headroom; in ieee80211_rx_cooked_monitor() local
3641 needed_headroom = ieee80211_rx_radiotap_hdrlen(local, status, skb); in ieee80211_rx_cooked_monitor()
3643 if (skb_headroom(skb) < needed_headroom && in ieee80211_rx_cooked_monitor()
3644 pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC)) in ieee80211_rx_cooked_monitor()
3648 ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom, in ieee80211_rx_cooked_monitor()
Diface.c1785 ndev->needed_headroom = local->tx_headroom + in ieee80211_if_add()
/net/8021q/
Dvlan_dev.c569 dev->needed_headroom = real_dev->needed_headroom; in vlan_dev_init()
/net/xfrm/
Dxfrm_interface_core.c623 dev->needed_headroom = phydev->needed_headroom; in xfrmi_dev_init()
/net/mac802154/
Diface.c629 ndev->needed_headroom = local->hw.extra_tx_headroom + in ieee802154_if_add()