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Searched refs:IP_DF (Results 1 – 25 of 38) sorted by relevance

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/linux/tools/testing/selftests/net/
H A Dgro.c650 iph1->frag_off |= htons(IP_DF); in send_flush_id_case()
653 iph2->frag_off |= htons(IP_DF); in send_flush_id_case()
658 iph1->frag_off |= htons(IP_DF); in send_flush_id_case()
661 iph2->frag_off |= htons(IP_DF); in send_flush_id_case()
666 iph1->frag_off &= ~htons(IP_DF); in send_flush_id_case()
669 iph2->frag_off &= ~htons(IP_DF); in send_flush_id_case()
674 iph1->frag_off &= ~htons(IP_DF); in send_flush_id_case()
677 iph2->frag_off &= ~htons(IP_DF); in send_flush_id_case()
684 iph1->frag_off |= htons(IP_DF); in send_flush_id_case()
687 iph2->frag_off |= htons(IP_DF); in send_flush_id_case()
[all...]
H A Dnat6to4.bpf.c46 #define IP_DF 0x4000 // Flag: "Don't Fragment" macro
100 .frag_off = bpf_htons(IP_DF), // u16 in sched_cls_ingress6_nat_6_prog()
200 if (ip4->frag_off & ~bpf_htons(IP_DF)) in sched_cls_egress4_snat4_prog()
/linux/net/ipv4/netfilter/
H A Dnf_dup_ipv4.c77 * Set %IP_DF so that the original source is notified of a potentially in nf_dup_ipv4()
83 iph->frag_off |= htons(IP_DF); in nf_dup_ipv4()
H A Dnf_reject_ipv4.c180 niph->frag_off = htons(IP_DF); in nf_reject_iphdr_put()
/linux/net/xfrm/
H A Dxfrm_inout.h30 XFRM_MODE_SKB_CB(skb)->frag_off = htons(IP_DF); in xfrm6_extract_header()
H A Dxfrm_output.c307 0 : (XFRM_MODE_SKB_CB(skb)->frag_off & htons(IP_DF)); in xfrm4_tunnel_encap_add()
837 if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->ignore_df) in xfrm4_tunnel_check_size()
/linux/net/ipv4/
H A Dipip.c346 p->iph.ihl != 5 || (p->iph.frag_off & htons(~IP_DF))) in ipip_tunnel_ctl()
534 !!(parm->iph.frag_off & htons(IP_DF))) || in ipip_fill_info()
H A Dip_tunnel_core.c240 .frag_off = htons(IP_DF), in iptunnel_pmtud_build_icmp()
269 if (mtu < 576 || iph->frag_off != htons(IP_DF)) in iptunnel_pmtud_check_icmp()
1151 parms->iph.frag_off = htons(IP_DF); in ip_tunnel_netlink_parms()
1158 parms->iph.frag_off = htons(IP_DF); in ip_tunnel_netlink_parms()
H A Dip_fragment.c362 if (ip_hdr(skb)->frag_off & htons(IP_DF) && in ip_frag_queue()
442 /* When we set IP_DF on a refragmented skb we must also force a in ip_frag_reasm()
452 iph->frag_off = htons(IP_DF); in ip_frag_reasm()
H A Dip_tunnel.c537 (inner_iph->frag_off & htons(IP_DF)) && in tnl_update_pmtu()
644 df = htons(IP_DF); in ip_md_tunnel_xmit()
817 df |= (inner_iph->frag_off & htons(IP_DF)); in ip_tunnel_xmit()
932 p->iph.frag_off |= htons(IP_DF); in ip_tunnel_ctl()
H A Dip_vti.c244 if (!(ip_hdr(skb)->frag_off & htons(IP_DF))) in vti_xmit()
H A Daf_inet.c1401 if (fixedid && !(ip_hdr(skb)->frag_off & htons(IP_DF))) in inet_gso_segment()
1497 flush = (u16)((ntohl(*(__be32 *)iph) ^ skb_gro_len(skb)) | (ntohl(*(__be32 *)&iph->id) & ~IP_DF)); in inet_gro_receive()
/linux/include/net/
H A Dgro.h454 const u32 df = id & IP_DF; in inet_gro_flush()
458 flush = (iph->ttl ^ iph2->ttl) | (iph->tos ^ iph2->tos) | (df ^ (id2 & IP_DF)); in inet_gro_flush()
H A Dip.h143 #define IP_DF 0x4000 /* Flag: "Don't Fragment" */ macro
578 if ((iph->frag_off & htons(IP_DF)) && !skb->ignore_df) { in ip_select_ident_segs()
/linux/drivers/infiniband/hw/ocrdma/
H A Docrdma_ah.c131 ipv4.frag_off = htons(IP_DF); in set_av_attr()
/linux/drivers/net/
H A Dgeneve.c893 htons(IP_DF) : 0; in geneve_xmit_skb()
902 df = htons(IP_DF); in geneve_xmit_skb()
907 df = htons(IP_DF); in geneve_xmit_skb()
911 if (iph->frag_off & htons(IP_DF)) in geneve_xmit_skb()
912 df = htons(IP_DF); in geneve_xmit_skb()
H A Dbareudp.c343 htons(IP_DF) : 0; in bareudp_xmit_skb()
/linux/net/netfilter/
H A Dnfnetlink_osf.c181 ctx->df = ntohs(ip->frag_off) & IP_DF; in nf_osf_hdr_ctx_init()
H A Dnf_log_syslog.c334 if (ntohs(ih->frag_off) & IP_DF) in dump_ipv4_packet()
/linux/net/ipv6/
H A Dsit.c1266 p->iph.ihl != 5 || (p->iph.frag_off & htons(~IP_DF))) in __ipip6_tunnel_ioctl_validate()
1270 p->iph.frag_off |= htons(IP_DF); in __ipip6_tunnel_ioctl_validate()
1706 !!(parm->iph.frag_off & htons(IP_DF))) || in ipip6_fill_info()
/linux/net/netfilter/ipvs/
H A Dip_vs_xmit.c235 if (unlikely(ip_hdr(skb)->frag_off & htons(IP_DF) && in ensure_mtu_is_adequate()
962 *df = (old_iph->frag_off & htons(IP_DF)); in ip_vs_prepare_tunneled_skb()
/linux/drivers/infiniband/sw/rxe/
H A Drxe_net.c285 __be16 df = htons(IP_DF); in prepare4()
/linux/drivers/infiniband/hw/qedr/
H A Dqedr_roce_cm.c470 udh->ip4.frag_off = htons(IP_DF); in qedr_gsi_build_header()
/linux/drivers/net/vxlan/
H A Dvxlan_core.c2480 df = htons(IP_DF); in vxlan_xmit_one()
2486 old_iph->frag_off & htons(IP_DF))) in vxlan_xmit_one()
2487 df = htons(IP_DF); in vxlan_xmit_one()
2491 df = htons(IP_DF); in vxlan_xmit_one()
/linux/net/bridge/
H A Dbr_netfilter_hooks.c813 if (unlikely(((iph->frag_off & htons(IP_DF)) && !skb->ignore_df) || in br_nf_ip_fragment()

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