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Searched refs:hh_len (Results 1 – 18 of 18) sorted by relevance

/linux-6.15/net/ipv4/
H A Dnetfilter.c30 unsigned int hh_len; in ip_route_me_harder() local
77 hh_len = skb_dst(skb)->dev->hard_header_len; in ip_route_me_harder()
78 if (skb_headroom(skb) < hh_len && in ip_route_me_harder()
79 pskb_expand_head(skb, HH_DATA_ALIGN(hh_len - skb_headroom(skb)), in ip_route_me_harder()
H A Dip_output.c203 unsigned int hh_len = LL_RESERVED_SPACE(dev); in ip_finish_output2() local
215 if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) { in ip_finish_output2()
216 skb = skb_expand_head(skb, hh_len); in ip_finish_output2()
957 int hh_len; in __ip_append_data() local
977 hh_len = LL_RESERVED_SPACE(rt->dst.dev); in __ip_append_data()
1093 alloc_extra = hh_len + 15; in __ip_append_data()
1138 skb_reserve(skb, hh_len); in __ip_append_data()
/linux-6.15/net/mpls/
H A Dmpls_iptunnel.c41 unsigned int hh_len; in mpls_xmit() local
104 hh_len = LL_RESERVED_SPACE(out_dev); in mpls_xmit()
106 hh_len = 0; in mpls_xmit()
109 if (skb_cow_head(skb, hh_len + new_header_size)) in mpls_xmit()
H A Daf_mpls.c353 unsigned int hh_len; in mpls_forward() local
423 hh_len = LL_RESERVED_SPACE(out_dev); in mpls_forward()
425 hh_len = 0; in mpls_forward()
428 if (skb_cow(skb, hh_len + new_header_size)) in mpls_forward()
/linux-6.15/net/ipv6/
H A Dnetfilter.c29 unsigned int hh_len; in ip6_route_me_harder() local
75 hh_len = skb_dst(skb)->dev->hard_header_len; in ip6_route_me_harder()
76 if (skb_headroom(skb) < hh_len && in ip6_route_me_harder()
77 pskb_expand_head(skb, HH_DATA_ALIGN(hh_len - skb_headroom(skb)), in ip6_route_me_harder()
H A Dip6_output.c65 unsigned int hh_len = LL_RESERVED_SPACE(dev); in ip6_finish_output2() local
72 if (unlikely(hh_len > skb_headroom(skb)) && dev->header_ops) { in ip6_finish_output2()
75 skb = skb_expand_head(skb, hh_len); in ip6_finish_output2()
1434 int hh_len; in __ip6_append_data() local
1457 hh_len = LL_RESERVED_SPACE(rt->dst.dev); in __ip6_append_data()
1619 alloc_extra = hh_len; in __ip6_append_data()
1681 skb_reserve(skb, hh_len + sizeof(struct frag_hdr) + in __ip6_append_data()
/linux-6.15/include/net/
H A Dneighbour.h490 unsigned int hh_len; in neigh_hh_output() local
494 hh_len = READ_ONCE(hh->hh_len); in neigh_hh_output()
495 if (likely(hh_len <= HH_DATA_MOD)) { in neigh_hh_output()
508 hh_alen = HH_DATA_ALIGN(hh_len); in neigh_hh_output()
522 __skb_push(skb, hh_len); in neigh_hh_output()
536 READ_ONCE(hh->hh_len)) in neigh_output()
/linux-6.15/net/core/
H A Dlwt_bpf.c166 static int xmit_check_hhlen(struct sk_buff *skb, int hh_len) in xmit_check_hhlen() argument
168 if (skb_headroom(skb) < hh_len) { in xmit_check_hhlen()
169 int nhead = HH_DATA_ALIGN(hh_len - skb_headroom(skb)); in xmit_check_hhlen()
279 int hh_len = dst->dev->hard_header_len; in bpf_xmit() local
297 ret = xmit_check_hhlen(skb, hh_len); in bpf_xmit()
H A Dneighbour.c1219 if (READ_ONCE(hh->hh_len)) { in neigh_update_hhs()
1484 if (!hh->hh_len) in neigh_hh_init()
1501 if (dev->header_ops->cache && !READ_ONCE(neigh->hh.hh_len)) in neigh_resolve_output()
H A Dfilter.c2203 u32 hh_len = LL_RESERVED_SPACE(dev); in bpf_out_neigh_v6() local
2216 if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) { in bpf_out_neigh_v6()
2217 skb = skb_expand_head(skb, hh_len); in bpf_out_neigh_v6()
2304 u32 hh_len = LL_RESERVED_SPACE(dev); in bpf_out_neigh_v4() local
2316 if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) { in bpf_out_neigh_v4()
2317 skb = skb_expand_head(skb, hh_len); in bpf_out_neigh_v4()
/linux-6.15/net/llc/
H A Daf_llc.c937 int rc = -EINVAL, copied = 0, hdrlen, hh_len; in llc_ui_sendmsg() local
961 hh_len = LL_RESERVED_SPACE(dev); in llc_ui_sendmsg()
970 skb = sock_alloc_send_skb(sk, hh_len + size, noblock, &rc); in llc_ui_sendmsg()
977 hh_len != LL_RESERVED_SPACE(dev) || in llc_ui_sendmsg()
982 skb_reserve(skb, hh_len + hdrlen); in llc_ui_sendmsg()
/linux-6.15/net/bpf/
H A Dtest_run.c988 int hh_len = ETH_HLEN; in bpf_prog_test_run_skb() local
1077 __skb_push(skb, hh_len); in bpf_prog_test_run_skb()
1097 if (skb_headroom(skb) < hh_len) { in bpf_prog_test_run_skb()
1098 int nhead = HH_DATA_ALIGN(hh_len - skb_headroom(skb)); in bpf_prog_test_run_skb()
1105 memset(__skb_push(skb, hh_len), 0, hh_len); in bpf_prog_test_run_skb()
/linux-6.15/net/netfilter/
H A Dnf_nat_proto.c667 unsigned int hh_len; in nf_xfrm_me_harder() local
692 hh_len = skb_dst(skb)->dev->hard_header_len; in nf_xfrm_me_harder()
693 if (skb_headroom(skb) < hh_len && in nf_xfrm_me_harder()
694 pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC)) in nf_xfrm_me_harder()
/linux-6.15/net/ethernet/
H A Deth.c235 smp_store_release(&hh->hh_len, ETH_HLEN); in eth_header_cache()
/linux-6.15/drivers/net/
H A Dvrf.c827 unsigned int hh_len = LL_RESERVED_SPACE(dev); in vrf_finish_output() local
834 if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) { in vrf_finish_output()
835 skb = skb_expand_head(skb, hh_len); in vrf_finish_output()
/linux-6.15/net/bridge/
H A Dbr_netfilter_hooks.c290 READ_ONCE(neigh->hh.hh_len)) { in br_nf_pre_routing_finish_bridge()
/linux-6.15/drivers/firewire/
H A Dnet.c248 smp_store_release(&hh->hh_len, FWNET_HLEN); in fwnet_header_cache()
/linux-6.15/include/linux/
H A Dnetdevice.h283 unsigned int hh_len; member