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Searched refs:tcph (Results 1 – 25 of 36) sorted by relevance

12

/Linux-v4.19/net/netfilter/
Dnf_conntrack_seqadj.c75 struct tcphdr *tcph, in nf_ct_sack_block_adjust() argument
105 inet_proto_csum_replace4(&tcph->check, skb, in nf_ct_sack_block_adjust()
107 inet_proto_csum_replace4(&tcph->check, skb, in nf_ct_sack_block_adjust()
118 struct tcphdr *tcph, in nf_ct_sack_adjust() argument
126 optend = protoff + tcph->doff * 4; in nf_ct_sack_adjust()
152 nf_ct_sack_block_adjust(skb, tcph, optoff + 2, in nf_ct_sack_adjust()
167 struct tcphdr *tcph; in nf_ct_seq_adjust() local
177 if (!skb_make_writable(skb, protoff + sizeof(*tcph))) in nf_ct_seq_adjust()
180 tcph = (void *)skb->data + protoff; in nf_ct_seq_adjust()
182 if (after(ntohl(tcph->seq), this_way->correction_pos)) in nf_ct_seq_adjust()
[all …]
Dnft_exthdr.c69 struct tcphdr *tcph; in nft_tcp_header_pointer() local
74 tcph = skb_header_pointer(pkt->skb, pkt->xt.thoff, sizeof(*tcph), buffer); in nft_tcp_header_pointer()
75 if (!tcph) in nft_tcp_header_pointer()
78 *tcphdr_len = __tcp_hdrlen(tcph); in nft_tcp_header_pointer()
79 if (*tcphdr_len < sizeof(*tcph) || *tcphdr_len > len) in nft_tcp_header_pointer()
93 struct tcphdr *tcph; in nft_exthdr_tcp_eval() local
96 tcph = nft_tcp_header_pointer(pkt, sizeof(buff), buff, &tcphdr_len); in nft_exthdr_tcp_eval()
97 if (!tcph) in nft_exthdr_tcp_eval()
100 opt = (u8 *)tcph; in nft_exthdr_tcp_eval()
101 for (i = sizeof(*tcph); i < tcphdr_len - 1; i += optl) { in nft_exthdr_tcp_eval()
[all …]
Dxt_TCPMSS.c81 struct tcphdr *tcph; in tcpmss_mangle_packet() local
99 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpmss_mangle_packet()
100 tcp_hdrlen = tcph->doff * 4; in tcpmss_mangle_packet()
119 opt = (u_int8_t *)tcph; in tcpmss_mangle_packet()
136 inet_proto_csum_replace2(&tcph->check, skb, in tcpmss_mangle_packet()
162 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpmss_mangle_packet()
179 opt = (u_int8_t *)tcph + sizeof(struct tcphdr); in tcpmss_mangle_packet()
182 inet_proto_csum_replace2(&tcph->check, skb, in tcpmss_mangle_packet()
189 inet_proto_csum_replace4(&tcph->check, skb, 0, *((__be32 *)opt), false); in tcpmss_mangle_packet()
191 oldval = ((__be16 *)tcph)[6]; in tcpmss_mangle_packet()
[all …]
Dnf_flow_table_ip.c21 struct tcphdr *tcph; in nf_flow_state_check() local
26 if (!pskb_may_pull(skb, thoff + sizeof(*tcph))) in nf_flow_state_check()
29 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_state_check()
30 if (unlikely(tcph->fin || tcph->rst)) { in nf_flow_state_check()
41 struct tcphdr *tcph; in nf_flow_nat_ip_tcp() local
43 if (!pskb_may_pull(skb, thoff + sizeof(*tcph)) || in nf_flow_nat_ip_tcp()
44 skb_try_make_writable(skb, thoff + sizeof(*tcph))) in nf_flow_nat_ip_tcp()
47 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ip_tcp()
48 inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, true); in nf_flow_nat_ip_tcp()
278 struct tcphdr *tcph; in nf_flow_nat_ipv6_tcp() local
[all …]
Dnf_nat_helper.c102 struct tcphdr *tcph; in __nf_nat_mangle_tcp_packet() local
115 tcph = (void *)skb->data + protoff; in __nf_nat_mangle_tcp_packet()
118 mangle_contents(skb, protoff + tcph->doff*4, in __nf_nat_mangle_tcp_packet()
124 l3proto->csum_recalc(skb, IPPROTO_TCP, tcph, &tcph->check, in __nf_nat_mangle_tcp_packet()
128 nf_ct_seqadj_set(ct, ctinfo, tcph->seq, in __nf_nat_mangle_tcp_packet()
Dxt_TCPOPTSTRIP.c38 struct tcphdr *tcph; in tcpoptstrip_mangle_packet() local
54 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpoptstrip_mangle_packet()
55 tcp_hdrlen = tcph->doff * 4; in tcpoptstrip_mangle_packet()
60 opt = (u_int8_t *)tcph; in tcpoptstrip_mangle_packet()
82 inet_proto_csum_replace2(&tcph->check, skb, htons(o), in tcpoptstrip_mangle_packet()
Dnf_conntrack_proto_tcp.c291 static unsigned int get_conntrack_index(const struct tcphdr *tcph) in get_conntrack_index() argument
293 if (tcph->rst) return TCP_RST_SET; in get_conntrack_index()
294 else if (tcph->syn) return (tcph->ack ? TCP_SYNACK_SET : TCP_SYN_SET); in get_conntrack_index()
295 else if (tcph->fin) return TCP_FIN_SET; in get_conntrack_index()
296 else if (tcph->ack) return TCP_ACK_SET; in get_conntrack_index()
332 const struct tcphdr *tcph) in segment_seq_plus_len() argument
336 return (seq + len - dataoff - tcph->doff*4 in segment_seq_plus_len()
337 + (tcph->syn ? 1 : 0) + (tcph->fin ? 1 : 0)); in segment_seq_plus_len()
351 const struct tcphdr *tcph, in tcp_options() argument
356 int length = (tcph->doff*4) - sizeof(struct tcphdr); in tcp_options()
[all …]
Dnf_flow_table_core.c343 struct tcphdr *tcph; in nf_flow_nat_port_tcp() local
345 if (!pskb_may_pull(skb, thoff + sizeof(*tcph)) || in nf_flow_nat_port_tcp()
346 skb_try_make_writable(skb, thoff + sizeof(*tcph))) in nf_flow_nat_port_tcp()
349 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_port_tcp()
350 inet_proto_csum_replace2(&tcph->check, skb, port, new_port, true); in nf_flow_nat_port_tcp()
Dnf_conntrack_pptp.c512 const struct tcphdr *tcph; in conntrack_pptp_help() local
537 tcph = skb_header_pointer(skb, nexthdr_off, sizeof(_tcph), &_tcph); in conntrack_pptp_help()
538 BUG_ON(!tcph); in conntrack_pptp_help()
539 nexthdr_off += tcph->doff * 4; in conntrack_pptp_help()
540 datalen = tcplen - tcph->doff * 4; in conntrack_pptp_help()
/Linux-v4.19/net/ipv4/netfilter/
Dipt_ECN.c50 struct tcphdr _tcph, *tcph; in set_ect_tcp() local
54 tcph = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(_tcph), &_tcph); in set_ect_tcp()
55 if (!tcph) in set_ect_tcp()
59 tcph->ece == einfo->proto.tcp.ece) && in set_ect_tcp()
61 tcph->cwr == einfo->proto.tcp.cwr)) in set_ect_tcp()
64 if (!skb_make_writable(skb, ip_hdrlen(skb) + sizeof(*tcph))) in set_ect_tcp()
66 tcph = (void *)ip_hdr(skb) + ip_hdrlen(skb); in set_ect_tcp()
68 oldval = ((__be16 *)tcph)[6]; in set_ect_tcp()
70 tcph->ece = einfo->proto.tcp.ece; in set_ect_tcp()
72 tcph->cwr = einfo->proto.tcp.cwr; in set_ect_tcp()
[all …]
Dnf_reject_ipv4.c76 struct tcphdr *tcph; in nf_reject_ip_tcphdr_put() local
79 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip_tcphdr_put()
80 tcph->source = oth->dest; in nf_reject_ip_tcphdr_put()
81 tcph->dest = oth->source; in nf_reject_ip_tcphdr_put()
82 tcph->doff = sizeof(struct tcphdr) / 4; in nf_reject_ip_tcphdr_put()
85 tcph->seq = oth->ack_seq; in nf_reject_ip_tcphdr_put()
87 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip_tcphdr_put()
90 tcph->ack = 1; in nf_reject_ip_tcphdr_put()
93 tcph->rst = 1; in nf_reject_ip_tcphdr_put()
94 tcph->check = ~tcp_v4_check(sizeof(struct tcphdr), niph->saddr, in nf_reject_ip_tcphdr_put()
[all …]
/Linux-v4.19/net/ipv6/netfilter/
Dnf_reject_ipv6.c94 struct tcphdr *tcph; in nf_reject_ip6_tcphdr_put() local
98 tcph = skb_put(nskb, sizeof(struct tcphdr)); in nf_reject_ip6_tcphdr_put()
100 tcph->doff = sizeof(struct tcphdr)/4; in nf_reject_ip6_tcphdr_put()
101 tcph->source = oth->dest; in nf_reject_ip6_tcphdr_put()
102 tcph->dest = oth->source; in nf_reject_ip6_tcphdr_put()
106 tcph->seq = oth->ack_seq; in nf_reject_ip6_tcphdr_put()
107 tcph->ack_seq = 0; in nf_reject_ip6_tcphdr_put()
110 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip6_tcphdr_put()
112 tcph->seq = 0; in nf_reject_ip6_tcphdr_put()
116 ((u_int8_t *)tcph)[13] = 0; in nf_reject_ip6_tcphdr_put()
[all …]
/Linux-v4.19/net/netfilter/ipvs/
Dip_vs_proto_tcp.c105 tcp_fast_csum_update(int af, struct tcphdr *tcph, in tcp_fast_csum_update() argument
112 tcph->check = in tcp_fast_csum_update()
115 ~csum_unfold(tcph->check)))); in tcp_fast_csum_update()
118 tcph->check = in tcp_fast_csum_update()
121 ~csum_unfold(tcph->check)))); in tcp_fast_csum_update()
126 tcp_partial_csum_update(int af, struct tcphdr *tcph, in tcp_partial_csum_update() argument
133 tcph->check = in tcp_partial_csum_update()
136 csum_unfold(tcph->check)))); in tcp_partial_csum_update()
139 tcph->check = in tcp_partial_csum_update()
142 csum_unfold(tcph->check)))); in tcp_partial_csum_update()
[all …]
/Linux-v4.19/net/core/
Dtso.c19 struct tcphdr *tcph; in tso_build_hdr() local
35 tcph = (struct tcphdr *)(hdr + skb_transport_offset(skb)); in tso_build_hdr()
36 put_unaligned_be32(tso->tcp_seq, &tcph->seq); in tso_build_hdr()
40 tcph->psh = 0; in tso_build_hdr()
41 tcph->fin = 0; in tso_build_hdr()
42 tcph->rst = 0; in tso_build_hdr()
/Linux-v4.19/net/sched/
Dact_csum.c199 struct tcphdr *tcph; in tcf_csum_ipv4_tcp() local
205 tcph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*tcph)); in tcf_csum_ipv4_tcp()
206 if (tcph == NULL) in tcf_csum_ipv4_tcp()
210 tcph->check = 0; in tcf_csum_ipv4_tcp()
211 skb->csum = csum_partial(tcph, ipl - ihl, 0); in tcf_csum_ipv4_tcp()
212 tcph->check = tcp_v4_check(ipl - ihl, in tcf_csum_ipv4_tcp()
223 struct tcphdr *tcph; in tcf_csum_ipv6_tcp() local
229 tcph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*tcph)); in tcf_csum_ipv6_tcp()
230 if (tcph == NULL) in tcf_csum_ipv6_tcp()
234 tcph->check = 0; in tcf_csum_ipv6_tcp()
[all …]
Dact_nat.c163 struct tcphdr *tcph; in tcf_nat_act() local
165 if (!pskb_may_pull(skb, ihl + sizeof(*tcph) + noff) || in tcf_nat_act()
166 skb_try_make_writable(skb, ihl + sizeof(*tcph) + noff)) in tcf_nat_act()
169 tcph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
170 inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, in tcf_nat_act()
Dsch_cake.c863 const struct tcphdr *tcph; in cake_get_tcphdr() local
902 tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); in cake_get_tcphdr()
903 if (!tcph) in cake_get_tcphdr()
907 min(__tcp_hdrlen(tcph), bufsize), buf); in cake_get_tcphdr()
910 static const void *cake_get_tcpopt(const struct tcphdr *tcph, in cake_get_tcpopt() argument
914 int length = __tcp_hdrlen(tcph) - sizeof(struct tcphdr); in cake_get_tcpopt()
915 const u8 *ptr = (const u8 *)(tcph + 1); in cake_get_tcpopt()
1020 static void cake_tcph_get_tstamp(const struct tcphdr *tcph, in cake_tcph_get_tstamp() argument
1026 ptr = cake_get_tcpopt(tcph, TCPOPT_TIMESTAMP, &opsize); in cake_tcph_get_tstamp()
1034 static bool cake_tcph_may_drop(const struct tcphdr *tcph, in cake_tcph_may_drop() argument
[all …]
/Linux-v4.19/drivers/infiniband/hw/nes/
Dnes_cm.c116 static int handle_tcp_options(struct nes_cm_node *cm_node, struct tcphdr *tcph, struct sk_buff *skb…
440 struct tcphdr *tcph; in form_cm_frame() local
446 packetsize += sizeof(*tcph); in form_cm_frame()
450 memset(skb->data, 0x00, ETH_HLEN + sizeof(*iph) + sizeof(*tcph)); in form_cm_frame()
459 tcph = (struct tcphdr *)buf; in form_cm_frame()
463 buf += sizeof(*tcph); in form_cm_frame()
489 tcph->source = htons(cm_node->loc_port); in form_cm_frame()
490 tcph->dest = htons(cm_node->rem_port); in form_cm_frame()
491 tcph->seq = htonl(cm_node->tcp_cntxt.loc_seq_num); in form_cm_frame()
495 tcph->ack_seq = htonl(cm_node->tcp_cntxt.loc_ack_num); in form_cm_frame()
[all …]
Dnes_mgt.c179 struct tcphdr *tcph = (struct tcphdr *)(((char *)iph) + (4 * iph->ihl)); in nes_get_seq() local
181 *ack = be32_to_cpu(tcph->ack_seq); in nes_get_seq()
182 *wnd = be16_to_cpu(tcph->window); in nes_get_seq()
183 *fin_rcvd = tcph->fin; in nes_get_seq()
184 *rst_rcvd = tcph->rst; in nes_get_seq()
185 return be32_to_cpu(tcph->seq); in nes_get_seq()
247 struct tcphdr *tcph; in get_fpdu_info() local
338 tcph = (struct tcphdr *)(((char *)iph) + (4 * iph->ihl)); in get_fpdu_info()
339 fpdu_info->hdr_len = (((unsigned char *)tcph) + 4 * (tcph->doff)) - cb->data_start; in get_fpdu_info()
358 tcph = (struct tcphdr *)(((char *)iph) + (4 * iph->ihl)); in get_fpdu_info()
[all …]
Dnes_nic.c365 struct tcphdr *tcph; in nes_nic_send() local
391 tcph = tcp_hdr(skb); in nes_nic_send()
396 ((u32)tcph->doff) | in nes_nic_send()
397 (((u32)(((unsigned char *)tcph) - skb->data)) << 4)); in nes_nic_send()
470 struct tcphdr *tcph; in nes_netdev_start_xmit() local
601 tcph = (struct tcphdr *) in nes_netdev_start_xmit()
604 tcph->fin = 0; in nes_netdev_start_xmit()
605 tcph->psh = 0; in nes_netdev_start_xmit()
606 tcph->rst = 0; in nes_netdev_start_xmit()
607 tcph->urg = 0; in nes_netdev_start_xmit()
[all …]
/Linux-v4.19/drivers/infiniband/hw/i40iw/
Di40iw_cm.c382 struct tcphdr *tcph; in i40iw_form_cm_frame() local
411 packetsize = sizeof(*iph) + sizeof(*tcph); in i40iw_form_cm_frame()
413 packetsize = sizeof(*ip6h) + sizeof(*tcph); in i40iw_form_cm_frame()
420 sqbuf->tcphlen = sizeof(*tcph) + opts_len; in i40iw_form_cm_frame()
431 tcph = (struct tcphdr *)buf; in i40iw_form_cm_frame()
432 buf += sizeof(*tcph); in i40iw_form_cm_frame()
461 tcph = (struct tcphdr *)buf; in i40iw_form_cm_frame()
462 buf += sizeof(*tcph); in i40iw_form_cm_frame()
488 tcph->source = htons(cm_node->loc_port); in i40iw_form_cm_frame()
489 tcph->dest = htons(cm_node->rem_port); in i40iw_form_cm_frame()
[all …]
Di40iw_utils.c1392 struct tcphdr *tcph = (struct tcphdr *)buf->tcph; in i40iw_ieq_get_qp() local
1404 loc_port = ntohs(tcph->dest); in i40iw_ieq_get_qp()
1405 rem_port = ntohs(tcph->source); in i40iw_ieq_get_qp()
1423 struct tcphdr *tcph; in i40iw_ieq_update_tcpip_info() local
1431 tcph = (struct tcphdr *)(addr + buf->maclen + iphlen); in i40iw_ieq_update_tcpip_info()
1435 tcph->seq = htonl(seqnum); in i40iw_ieq_update_tcpip_info()
1448 struct tcphdr *tcph; in i40iw_puda_get_tcpip_info() local
1464 buf->tcph = buf->iph + iphlen; in i40iw_puda_get_tcpip_info()
1465 tcph = (struct tcphdr *)buf->tcph; in i40iw_puda_get_tcpip_info()
1482 buf->tcphlen = (tcph->doff) << 2; in i40iw_puda_get_tcpip_info()
[all …]
/Linux-v4.19/drivers/net/ethernet/mellanox/mlx5/core/en_accel/
Dipsec_rxtx.c219 struct tcphdr *tcph; in mlx5e_ipsec_set_metadata() local
224 tcph = inner_tcp_hdr(skb); in mlx5e_ipsec_set_metadata()
232 ntohs(tcph->source), ntohs(tcph->dest), in mlx5e_ipsec_set_metadata()
233 ntohl(tcph->seq), ntohl(esph->seq_no)); in mlx5e_ipsec_set_metadata()
236 mdata->content.tx.seq = htons(ntohl(tcph->seq) & 0xFFFF); in mlx5e_ipsec_set_metadata()
/Linux-v4.19/drivers/crypto/chelsio/chtls/
Dchtls_cm.c934 const struct tcphdr *tcph; in chtls_pass_accept_rpl() local
978 tcph = (struct tcphdr *)((u8 *)(req + 1) + in chtls_pass_accept_rpl()
980 if (tcph->ece && tcph->cwr) in chtls_pass_accept_rpl()
1017 const struct tcphdr *tcph; in chtls_recv_sock() local
1039 tcph = (struct tcphdr *)(iph + 1); in chtls_recv_sock()
1142 struct tcphdr *tcph; in chtls_pass_accept_request() local
1194 tcph = (struct tcphdr *)(iph + 1); in chtls_pass_accept_request()
1197 tcp_rsk(oreq)->rcv_isn = ntohl(tcph->seq); in chtls_pass_accept_request()
1198 chtls_set_req_port(oreq, tcph->source, tcph->dest); in chtls_pass_accept_request()
/Linux-v4.19/drivers/net/wireless/intel/iwlwifi/pcie/
Dtx.c2057 static void iwl_compute_pseudo_hdr_csum(void *iph, struct tcphdr *tcph, in iwl_compute_pseudo_hdr_csum() argument
2063 tcph->check = ~csum_ipv6_magic(&iphv6->saddr, &iphv6->daddr, in iwl_compute_pseudo_hdr_csum()
2064 len + tcph->doff * 4, in iwl_compute_pseudo_hdr_csum()
2070 tcph->check = ~csum_tcpudp_magic(iphv4->saddr, iphv4->daddr, in iwl_compute_pseudo_hdr_csum()
2071 len + tcph->doff * 4, in iwl_compute_pseudo_hdr_csum()
2146 struct tcphdr *tcph; in iwl_fill_data_tbs_amsdu() local
2170 tcph = (void *)(iph + ip_hdrlen); in iwl_fill_data_tbs_amsdu()
2181 iwl_compute_pseudo_hdr_csum(iph, tcph, in iwl_fill_data_tbs_amsdu()
2186 skb_put_data(csum_skb, tcph, tcp_hdrlen(skb)); in iwl_fill_data_tbs_amsdu()
2251 tcph->check = csum_fold(csum); in iwl_fill_data_tbs_amsdu()

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