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Searched refs:needed_headroom (Results 1 – 25 of 70) sorted by relevance

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/linux/net/dsa/
H A Dtag_brcm.c214 .needed_headroom = BRCM_TAG_LEN,
306 .needed_headroom = BRCM_LEG_TAG_LEN,
366 .needed_headroom = BRCM_LEG_TAG_LEN,
393 .needed_headroom = BRCM_TAG_LEN,
H A Dtag_ocelot.c159 .needed_headroom = OCELOT_TOTAL_TAG_LEN,
171 .needed_headroom = OCELOT_TOTAL_TAG_LEN,
H A Dtag_dsa.c349 .needed_headroom = DSA_HLEN,
391 .needed_headroom = EDSA_HLEN,
H A Dtag_vsc73xx_8021q.c60 .needed_headroom = VLAN_HLEN,
H A Dtag_gswip.c105 .needed_headroom = GSWIP_RX_HEADER_LEN,
H A Dtag_mtk.c103 .needed_headroom = MTK_HDR_LEN,
H A Dtag_ar9331.c89 .needed_headroom = AR9331_HDR_LEN,
H A Dtag_lan9303.c119 .needed_headroom = LAN9303_TAG_LEN,
H A Dtag_rzn1_a5psw.c109 .needed_headroom = A5PSW_TAG_LEN,
H A Dtag_rtl4_a.c120 .needed_headroom = RTL4_A_HDR_LEN,
H A Dtag_qca.c117 .needed_headroom = QCA_HDR_LEN,
H A Dtag_ocelot_8021q.c132 .needed_headroom = VLAN_HLEN,
H A Dtag_rtl8_4.c234 .needed_headroom = RTL8_4_TAG_LEN,
H A Dtag.h29 return ops->needed_headroom + ops->needed_tailroom; in dsa_tag_protocol_overhead()
H A Dtag_sja1105.c678 /* Management frames have 2 DSA tags on RX, so the needed_headroom we in sja1110_flow_dissect()
731 .needed_headroom = VLAN_HLEN,
747 .needed_headroom = SJA1110_HEADER_LEN + VLAN_HLEN,
/linux/net/ieee802154/6lowpan/
H A 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()
H A Dcore.c172 ldev->needed_headroom = LOWPAN_IPHC_MAX_HEADER_LEN + in lowpan_newlink()
173 wdev->needed_headroom; in lowpan_newlink()
/linux/net/l2tp/
H A Dl2tp_eth.c196 dev->needed_headroom += sizeof(struct udphdr); in l2tp_eth_adjust_mtu()
222 dev->needed_headroom += session->hdr_len; in l2tp_eth_adjust_mtu()
/linux/net/ipv4/
H A Dip_gre.c515 if (skb_cow_head(skb, dev->needed_headroom)) in gre_fb_xmit()
571 if (skb_cow_head(skb, dev->needed_headroom)) in erspan_fb_xmit()
684 if (skb_cow_head(skb, dev->needed_headroom)) in ipgre_xmit()
721 if (skb_cow_head(skb, dev->needed_headroom)) in erspan_xmit()
775 if (skb_cow_head(skb, dev->needed_headroom)) in gre_tap_xmit()
800 dev->needed_headroom += len; in ipgre_link_update()
1007 dev->needed_headroom = tunnel->hlen + sizeof(tunnel->parms.iph); in __gre_tunnel_init()
1049 dev->needed_headroom = 0; in ipgre_tunnel_init()
1055 dev->needed_headroom = 0; in ipgre_tunnel_init()
/linux/drivers/net/ethernet/mscc/
H A Docelot_fdma.c643 int needed_headroom = max_t(int, OCELOT_TAG_LEN - skb_headroom(skb), 0); in ocelot_fdma_prepare_skb() local
648 if (unlikely(needed_headroom || needed_tailroom || in ocelot_fdma_prepare_skb()
650 err = pskb_expand_head(skb, needed_headroom, needed_tailroom, in ocelot_fdma_prepare_skb()
793 dev->needed_headroom = OCELOT_TAG_LEN; in ocelot_fdma_netdev_init()
/linux/net/bridge/
H A Dbr_if.c321 br->dev->needed_headroom = new_hr; in update_headroom()
352 if (netdev_get_fwd_headroom(dev) == br->dev->needed_headroom) in del_nbp()
642 br_hr = br->dev->needed_headroom; in br_add_if()
/linux/drivers/net/wan/
H A Dlapbether.c403 ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len in lapbeth_new_device()
404 + dev->needed_headroom; in lapbeth_new_device()
/linux/drivers/net/ethernet/microchip/lan966x/
H A Dlan966x_fdma.c702 int needed_headroom; in lan966x_fdma_xmit() local
721 needed_headroom = max_t(int, IFH_LEN_BYTES - skb_headroom(skb), 0); in lan966x_fdma_xmit()
723 if (needed_headroom || needed_tailroom || skb_header_cloned(skb)) { in lan966x_fdma_xmit()
724 err = pskb_expand_head(skb, needed_headroom, needed_tailroom, in lan966x_fdma_xmit()
/linux/include/net/
H A Dip_tunnels.h625 if (headroom > READ_ONCE(dev->needed_headroom)) in ip_tunnel_adj_headroom()
626 WRITE_ONCE(dev->needed_headroom, headroom); in ip_tunnel_adj_headroom()
/linux/net/ipv6/
H A Dip6_gre.c763 if (skb_cow_head(skb, dev->needed_headroom ?: tun_hlen + tunnel->encap_hlen)) in __gre6_xmit()
774 if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen)) in __gre6_xmit()
963 if (skb_cow_head(skb, dev->needed_headroom ?: t->hlen)) in ip6erspan_tunnel_xmit()
1145 dev->needed_headroom = dst_len; in ip6gre_tnl_link_config_route()
1176 tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; in ip6gre_calc_hlen()
1841 tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; in ip6erspan_calc_hlen()

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