| /net/bridge/ |
| D | br_netfilter.c | 51 #define skb_origaddr(skb) (((struct bridge_skb_cb *) \ argument
52 (skb->nf_bridge->data))->daddr.ipv4)
53 #define store_orig_dstaddr(skb) (skb_origaddr(skb) = ip_hdr(skb)->daddr) argument
54 #define dnat_took_place(skb) (skb_origaddr(skb) != ip_hdr(skb)->daddr) argument
68 static inline __be16 vlan_proto(const struct sk_buff *skb) in vlan_proto() argument
70 return vlan_eth_hdr(skb)->h_vlan_encapsulated_proto; in vlan_proto()
73 #define IS_VLAN_IP(skb) \ argument
74 (skb->protocol == htons(ETH_P_8021Q) && \
75 vlan_proto(skb) == htons(ETH_P_IP) && \
78 #define IS_VLAN_IPV6(skb) \ argument
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| D | br_forward.c | 23 const struct sk_buff *skb) in should_deliver() argument
25 return (skb->dev != p->dev && p->state == BR_STATE_FORWARDING); in should_deliver()
28 static inline unsigned packet_length(const struct sk_buff *skb) in packet_length() argument
30 return skb->len - (skb->protocol == htons(ETH_P_8021Q) ? VLAN_HLEN : 0); in packet_length()
33 int br_dev_queue_push_xmit(struct sk_buff *skb) in br_dev_queue_push_xmit() argument
36 if (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb)) in br_dev_queue_push_xmit()
37 kfree_skb(skb); in br_dev_queue_push_xmit()
40 if (nf_bridge_maybe_copy_header(skb)) in br_dev_queue_push_xmit()
41 kfree_skb(skb); in br_dev_queue_push_xmit()
43 skb_push(skb, ETH_HLEN); in br_dev_queue_push_xmit()
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| D | br_input.c | 23 static void br_pass_frame_up(struct net_bridge *br, struct sk_buff *skb) in br_pass_frame_up() argument
28 brdev->stats.rx_bytes += skb->len; in br_pass_frame_up()
30 indev = skb->dev; in br_pass_frame_up()
31 skb->dev = brdev; in br_pass_frame_up()
33 NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL, in br_pass_frame_up()
38 int br_handle_frame_finish(struct sk_buff *skb) in br_handle_frame_finish() argument
40 const unsigned char *dest = eth_hdr(skb)->h_dest; in br_handle_frame_finish()
41 struct net_bridge_port *p = rcu_dereference(skb->dev->br_port); in br_handle_frame_finish()
51 br_fdb_update(br, p, eth_hdr(skb)->h_source); in br_handle_frame_finish()
60 skb2 = skb; in br_handle_frame_finish()
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| /net/core/ |
| D | skbuff.c | 117 void skb_over_panic(struct sk_buff *skb, int sz, void *here) in skb_over_panic() argument
121 here, skb->len, sz, skb->head, skb->data, in skb_over_panic()
122 (unsigned long)skb->tail, (unsigned long)skb->end, in skb_over_panic()
123 skb->dev ? skb->dev->name : "<NULL>"); in skb_over_panic()
136 void skb_under_panic(struct sk_buff *skb, int sz, void *here) in skb_under_panic() argument
140 here, skb->len, sz, skb->head, skb->data, in skb_under_panic()
141 (unsigned long)skb->tail, (unsigned long)skb->end, in skb_under_panic()
142 skb->dev ? skb->dev->name : "<NULL>"); in skb_under_panic()
172 struct sk_buff *skb; in __alloc_skb() local
178 skb = kmem_cache_alloc_node(cache, gfp_mask & ~__GFP_DMA, node); in __alloc_skb()
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| /net/ipv6/ |
| D | exthdrs.c | 50 int ipv6_find_tlv(struct sk_buff *skb, int offset, int type) in ipv6_find_tlv() argument
52 const unsigned char *nh = skb_network_header(skb); in ipv6_find_tlv()
53 int packet_len = skb->tail - skb->network_header; in ipv6_find_tlv()
104 int (*func)(struct sk_buff *skb, int offset);
113 static int ip6_tlvopt_unknown(struct sk_buff *skb, int optoff) in ip6_tlvopt_unknown() argument
115 switch ((skb_network_header(skb)[optoff] & 0xC0) >> 6) { in ip6_tlvopt_unknown()
126 if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr)) in ip6_tlvopt_unknown()
129 icmpv6_param_prob(skb, ICMPV6_UNK_OPTION, optoff); in ip6_tlvopt_unknown()
133 kfree_skb(skb); in ip6_tlvopt_unknown()
139 static int ip6_parse_tlv(struct tlvtype_proc *procs, struct sk_buff *skb) in ip6_parse_tlv() argument
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| D | ip6_input.c | 49 inline int ip6_rcv_finish( struct sk_buff *skb) in ip6_rcv_finish() argument
51 if (skb->dst == NULL) in ip6_rcv_finish()
52 ip6_route_input(skb); in ip6_rcv_finish()
54 return dst_input(skb); in ip6_rcv_finish()
57 int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device… in ipv6_rcv() argument
62 struct net *net = dev_net(skb->dev); in ipv6_rcv()
64 if (skb->pkt_type == PACKET_OTHERHOST) { in ipv6_rcv()
65 kfree_skb(skb); in ipv6_rcv()
71 idev = __in6_dev_get(skb->dev); in ipv6_rcv()
75 if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL || in ipv6_rcv()
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| D | ip6_output.c | 58 static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
60 static __inline__ void ipv6_select_ident(struct sk_buff *skb, struct frag_hdr *fhdr) in ipv6_select_ident() argument
72 int __ip6_local_out(struct sk_buff *skb) in __ip6_local_out() argument
76 len = skb->len - sizeof(struct ipv6hdr); in __ip6_local_out()
79 ipv6_hdr(skb)->payload_len = htons(len); in __ip6_local_out()
81 return nf_hook(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dst->dev, in __ip6_local_out()
85 int ip6_local_out(struct sk_buff *skb) in ip6_local_out() argument
89 err = __ip6_local_out(skb); in ip6_local_out()
91 err = dst_output(skb); in ip6_local_out()
97 static int ip6_output_finish(struct sk_buff *skb) in ip6_output_finish() argument
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| D | netfilter.c | 13 int ip6_route_me_harder(struct sk_buff *skb) in ip6_route_me_harder() argument
15 struct net *net = dev_net(skb->dst->dev); in ip6_route_me_harder()
16 struct ipv6hdr *iph = ipv6_hdr(skb); in ip6_route_me_harder()
19 .oif = skb->sk ? skb->sk->sk_bound_dev_if : 0, in ip6_route_me_harder()
20 .mark = skb->mark, in ip6_route_me_harder()
27 dst = ip6_route_output(net, skb->sk, &fl); in ip6_route_me_harder()
30 if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) && in ip6_route_me_harder()
31 xfrm_decode_session(skb, &fl, AF_INET6) == 0) in ip6_route_me_harder()
32 if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0)) in ip6_route_me_harder()
44 dst_release(skb->dst); in ip6_route_me_harder()
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| /net/netfilter/ipvs/ |
| D | ip_vs_xmit.c | 192 #define IP_VS_XMIT(pf, skb, rt) \ argument
194 (skb)->ipvs_property = 1; \
195 skb_forward_csum(skb); \
196 NF_HOOK(pf, NF_INET_LOCAL_OUT, (skb), NULL, \
205 ip_vs_null_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, in ip_vs_null_xmit() argument
219 ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, in ip_vs_bypass_xmit() argument
223 struct iphdr *iph = ip_hdr(skb); in ip_vs_bypass_xmit()
245 if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) { in ip_vs_bypass_xmit()
247 icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu)); in ip_vs_bypass_xmit()
256 if (unlikely((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)) { in ip_vs_bypass_xmit()
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| /net/lapb/ |
| D | lapb_subr.c | 51 struct sk_buff *skb; in lapb_frames_acked() local
61 skb = skb_dequeue(&lapb->ack_queue); in lapb_frames_acked()
62 kfree_skb(skb); in lapb_frames_acked()
69 struct sk_buff *skb, *skb_prev = NULL; in lapb_requeue_frames() local
76 while ((skb = skb_dequeue(&lapb->ack_queue)) != NULL) { in lapb_requeue_frames()
78 skb_queue_head(&lapb->write_queue, skb); in lapb_requeue_frames()
80 skb_append(skb_prev, skb, &lapb->write_queue); in lapb_requeue_frames()
81 skb_prev = skb; in lapb_requeue_frames()
109 int lapb_decode(struct lapb_cb *lapb, struct sk_buff *skb, in lapb_decode() argument
117 skb->data[0], skb->data[1], skb->data[2]); in lapb_decode()
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| /net/ax25/ |
| D | ax25_in.c | 38 static int ax25_rx_fragment(ax25_cb *ax25, struct sk_buff *skb) in ax25_rx_fragment() argument
43 if (!(*skb->data & AX25_SEG_FIRST)) { in ax25_rx_fragment()
44 if ((ax25->fragno - 1) == (*skb->data & AX25_SEG_REM)) { in ax25_rx_fragment()
46 ax25->fragno = *skb->data & AX25_SEG_REM; in ax25_rx_fragment()
47 skb_pull(skb, 1); /* skip fragno */ in ax25_rx_fragment()
48 ax25->fraglen += skb->len; in ax25_rx_fragment()
49 skb_queue_tail(&ax25->frag_queue, skb); in ax25_rx_fragment()
86 if (*skb->data & AX25_SEG_FIRST) { in ax25_rx_fragment()
88 ax25->fragno = *skb->data & AX25_SEG_REM; in ax25_rx_fragment()
89 skb_pull(skb, 1); /* skip fragno */ in ax25_rx_fragment()
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| /net/ipv4/ |
| D | ip_output.c | 92 int __ip_local_out(struct sk_buff *skb) in __ip_local_out() argument
94 struct iphdr *iph = ip_hdr(skb); in __ip_local_out()
96 iph->tot_len = htons(skb->len); in __ip_local_out()
98 return nf_hook(PF_INET, NF_INET_LOCAL_OUT, skb, NULL, skb->dst->dev, in __ip_local_out()
102 int ip_local_out(struct sk_buff *skb) in ip_local_out() argument
106 err = __ip_local_out(skb); in ip_local_out()
108 err = dst_output(skb); in ip_local_out()
139 int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk, in ip_build_and_send_pkt() argument
143 struct rtable *rt = skb->rtable; in ip_build_and_send_pkt()
147 skb_push(skb, sizeof(struct iphdr) + (opt ? opt->optlen : 0)); in ip_build_and_send_pkt()
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| D | ip_input.c | 150 int ip_call_ra_chain(struct sk_buff *skb) in ip_call_ra_chain() argument
153 u8 protocol = ip_hdr(skb)->protocol; in ip_call_ra_chain()
155 struct net_device *dev = skb->dev; in ip_call_ra_chain()
168 if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) { in ip_call_ra_chain()
169 if (ip_defrag(skb, IP_DEFRAG_CALL_RA_CHAIN)) { in ip_call_ra_chain()
175 struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC); in ip_call_ra_chain()
184 raw_rcv(last, skb); in ip_call_ra_chain()
192 static int ip_local_deliver_finish(struct sk_buff *skb) in ip_local_deliver_finish() argument
194 struct net *net = dev_net(skb->dev); in ip_local_deliver_finish()
196 __skb_pull(skb, ip_hdrlen(skb)); in ip_local_deliver_finish()
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| D | netfilter.c | 13 int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type) in ip_route_me_harder() argument
15 struct net *net = dev_net(skb->dst->dev); in ip_route_me_harder()
16 const struct iphdr *iph = ip_hdr(skb); in ip_route_me_harder()
24 if (skb->sk && inet_sk(skb->sk)->transparent) in ip_route_me_harder()
37 fl.oif = skb->sk ? skb->sk->sk_bound_dev_if : 0; in ip_route_me_harder()
38 fl.mark = skb->mark; in ip_route_me_harder()
39 fl.flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0; in ip_route_me_harder()
44 dst_release(skb->dst); in ip_route_me_harder()
45 skb->dst = &rt->u.dst; in ip_route_me_harder()
53 odst = skb->dst; in ip_route_me_harder()
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| D | tcp_output.c | 62 static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb) in tcp_event_new_data_sent() argument
67 tcp_advance_send_head(sk, skb); in tcp_event_new_data_sent()
68 tp->snd_nxt = TCP_SKB_CB(skb)->end_seq; in tcp_event_new_data_sent()
74 tp->packets_out += tcp_skb_pcount(skb); in tcp_event_new_data_sent()
146 struct sk_buff *skb, struct sock *sk) in tcp_event_data_sent() argument
279 static inline void TCP_ECN_send_synack(struct tcp_sock *tp, struct sk_buff *skb) in TCP_ECN_send_synack() argument
281 TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_CWR; in TCP_ECN_send_synack()
283 TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_ECE; in TCP_ECN_send_synack()
286 static inline void TCP_ECN_send_syn(struct sock *sk, struct sk_buff *skb) in TCP_ECN_send_syn() argument
292 TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_ECE | TCPCB_FLAG_CWR; in TCP_ECN_send_syn()
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| D | xfrm4_input.c | 19 int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb) in xfrm4_extract_input() argument
21 return xfrm4_extract_header(skb); in xfrm4_extract_input()
24 static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb) in xfrm4_rcv_encap_finish() argument
26 if (skb->dst == NULL) { in xfrm4_rcv_encap_finish()
27 const struct iphdr *iph = ip_hdr(skb); in xfrm4_rcv_encap_finish()
29 if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, in xfrm4_rcv_encap_finish()
30 skb->dev)) in xfrm4_rcv_encap_finish()
33 return dst_input(skb); in xfrm4_rcv_encap_finish()
35 kfree_skb(skb); in xfrm4_rcv_encap_finish()
39 int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, in xfrm4_rcv_encap() argument
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| /net/llc/ |
| D | llc_c_ev.c | 78 struct sk_buff *skb; in llc_util_nr_inside_tx_window() local
88 skb = skb_peek(&llc->pdu_unack_q); in llc_util_nr_inside_tx_window()
89 pdu = llc_pdu_sn_hdr(skb); in llc_util_nr_inside_tx_window()
91 skb = skb_peek_tail(&llc->pdu_unack_q); in llc_util_nr_inside_tx_window()
92 pdu = llc_pdu_sn_hdr(skb); in llc_util_nr_inside_tx_window()
99 int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb) in llc_conn_ev_conn_req() argument
101 const struct llc_conn_state_ev *ev = llc_conn_ev(skb); in llc_conn_ev_conn_req()
107 int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb) in llc_conn_ev_data_req() argument
109 const struct llc_conn_state_ev *ev = llc_conn_ev(skb); in llc_conn_ev_data_req()
115 int llc_conn_ev_disc_req(struct sock *sk, struct sk_buff *skb) in llc_conn_ev_disc_req() argument
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| D | llc_station.c | 84 llc_station_ev(struct sk_buff *skb) in llc_station_ev() argument
86 return (struct llc_station_state_ev *)skb->cb; in llc_station_ev()
89 typedef int (*llc_station_ev_t)(struct sk_buff *skb);
97 typedef int (*llc_station_action_t)(struct sk_buff *skb);
113 static int llc_stat_ev_enable_with_dup_addr_check(struct sk_buff *skb) in llc_stat_ev_enable_with_dup_addr_check() argument
115 struct llc_station_state_ev *ev = llc_station_ev(skb); in llc_stat_ev_enable_with_dup_addr_check()
122 static int llc_stat_ev_enable_without_dup_addr_check(struct sk_buff *skb) in llc_stat_ev_enable_without_dup_addr_check() argument
124 struct llc_station_state_ev *ev = llc_station_ev(skb); in llc_stat_ev_enable_without_dup_addr_check()
131 static int llc_stat_ev_ack_tmr_exp_lt_retry_cnt_max_retry(struct sk_buff *skb) in llc_stat_ev_ack_tmr_exp_lt_retry_cnt_max_retry() argument
133 struct llc_station_state_ev *ev = llc_station_ev(skb); in llc_stat_ev_ack_tmr_exp_lt_retry_cnt_max_retry()
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| D | llc_sap.c | 54 struct sk_buff *skb; in llc_alloc_frame() local
57 skb = alloc_skb(hlen + data_size, GFP_ATOMIC); in llc_alloc_frame()
59 if (skb) { in llc_alloc_frame()
60 skb_reset_mac_header(skb); in llc_alloc_frame()
61 skb_reserve(skb, hlen); in llc_alloc_frame()
62 skb_reset_network_header(skb); in llc_alloc_frame()
63 skb_reset_transport_header(skb); in llc_alloc_frame()
64 skb->protocol = htons(ETH_P_802_2); in llc_alloc_frame()
65 skb->dev = dev; in llc_alloc_frame()
67 skb_set_owner_w(skb, sk); in llc_alloc_frame()
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| /net/decnet/ |
| D | dn_nsp_in.c | 81 static void dn_log_martian(struct sk_buff *skb, const char *msg) in dn_log_martian() argument
84 char *devname = skb->dev ? skb->dev->name : "???"; in dn_log_martian()
85 struct dn_skb_cb *cb = DN_SKB_CB(skb); in dn_log_martian()
97 static void dn_ack(struct sock *sk, struct sk_buff *skb, unsigned short ack) in dn_ack() argument
107 wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->data_xmit_queue, ack); in dn_ack()
115 wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->other_xmit_queue, ack); in dn_ack()
129 static int dn_process_ack(struct sock *sk, struct sk_buff *skb, int oth) in dn_process_ack() argument
131 __le16 *ptr = (__le16 *)skb->data; in dn_process_ack()
135 if (skb->len < 2) in dn_process_ack()
139 skb_pull(skb, 2); in dn_process_ack()
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| /net/dsa/ |
| D | tag_edsa.c | 19 int edsa_xmit(struct sk_buff *skb, struct net_device *dev) in edsa_xmit() argument
25 dev->stats.tx_bytes += skb->len; in edsa_xmit()
33 if (skb->protocol == htons(ETH_P_8021Q)) { in edsa_xmit()
34 if (skb_cow_head(skb, DSA_HLEN) < 0) in edsa_xmit()
36 skb_push(skb, DSA_HLEN); in edsa_xmit()
38 memmove(skb->data, skb->data + DSA_HLEN, 2 * ETH_ALEN); in edsa_xmit()
43 edsa_header = skb->data + 2 * ETH_ALEN; in edsa_xmit()
59 if (skb_cow_head(skb, EDSA_HLEN) < 0) in edsa_xmit()
61 skb_push(skb, EDSA_HLEN); in edsa_xmit()
63 memmove(skb->data, skb->data + EDSA_HLEN, 2 * ETH_ALEN); in edsa_xmit()
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| D | tag_dsa.c | 18 int dsa_xmit(struct sk_buff *skb, struct net_device *dev) in dsa_xmit() argument
24 dev->stats.tx_bytes += skb->len; in dsa_xmit()
31 if (skb->protocol == htons(ETH_P_8021Q)) { in dsa_xmit()
32 if (skb_cow_head(skb, 0) < 0) in dsa_xmit()
38 dsa_header = skb->data + 2 * ETH_ALEN; in dsa_xmit()
50 if (skb_cow_head(skb, DSA_HLEN) < 0) in dsa_xmit()
52 skb_push(skb, DSA_HLEN); in dsa_xmit()
54 memmove(skb->data, skb->data + DSA_HLEN, 2 * ETH_ALEN); in dsa_xmit()
59 dsa_header = skb->data + 2 * ETH_ALEN; in dsa_xmit()
66 skb->protocol = htons(ETH_P_DSA); in dsa_xmit()
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| /net/x25/ |
| D | x25_dev.c | 27 static int x25_receive_data(struct sk_buff *skb, struct x25_neigh *nb) in x25_receive_data() argument
33 frametype = skb->data[2]; in x25_receive_data()
34 lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF); in x25_receive_data()
41 x25_link_control(skb, nb, frametype); in x25_receive_data()
51 skb_reset_transport_header(skb); in x25_receive_data()
54 queued = x25_process_rx_frame(sk, skb); in x25_receive_data()
56 sk_add_backlog(sk, skb); in x25_receive_data()
67 return x25_rx_call_request(skb, nb, lci); in x25_receive_data()
74 if (x25_forward_data(lci, nb, skb)) { in x25_receive_data()
78 kfree_skb(skb); in x25_receive_data()
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| /net/8021q/ |
| D | vlan_core.c | 8 int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, in __vlan_hwaccel_rx() argument
11 if (netpoll_rx(skb)) in __vlan_hwaccel_rx()
14 if (skb_bond_should_drop(skb)) in __vlan_hwaccel_rx()
17 skb->vlan_tci = vlan_tci; in __vlan_hwaccel_rx()
18 skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); in __vlan_hwaccel_rx()
20 if (!skb->dev) in __vlan_hwaccel_rx()
23 return (polling ? netif_receive_skb(skb) : netif_rx(skb)); in __vlan_hwaccel_rx()
26 dev_kfree_skb_any(skb); in __vlan_hwaccel_rx()
31 int vlan_hwaccel_do_receive(struct sk_buff *skb) in vlan_hwaccel_do_receive() argument
33 struct net_device *dev = skb->dev; in vlan_hwaccel_do_receive()
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| /net/ipv4/netfilter/ |
| D | nf_nat_helper.c | 77 static void mangle_contents(struct sk_buff *skb, in mangle_contents() argument
86 BUG_ON(skb_is_nonlinear(skb)); in mangle_contents()
87 data = skb_network_header(skb) + dataoff; in mangle_contents()
92 skb->tail - (skb->network_header + dataoff + in mangle_contents()
101 "%u from %u bytes\n", rep_len - match_len, skb->len); in mangle_contents()
102 skb_put(skb, rep_len - match_len); in mangle_contents()
105 "%u from %u bytes\n", match_len - rep_len, skb->len); in mangle_contents()
106 __skb_trim(skb, skb->len + rep_len - match_len); in mangle_contents()
110 ip_hdr(skb)->tot_len = htons(skb->len); in mangle_contents()
111 ip_send_check(ip_hdr(skb)); in mangle_contents()
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