Lines Matching refs:tso
5 #include <net/tso.h>
16 void tso_build_hdr(const struct sk_buff *skb, char *hdr, struct tso_t *tso,
19 int hdr_len = skb_transport_offset(skb) + tso->tlen;
23 if (!tso->ipv6) {
26 iph->id = htons(tso->ip_id);
28 tso->ip_id++;
32 iph->payload_len = htons(size + tso->tlen);
35 if (tso->tlen != sizeof(struct udphdr)) {
38 put_unaligned_be32(tso->tcp_seq, &tcph->seq);
54 void tso_build_data(const struct sk_buff *skb, struct tso_t *tso, int size)
56 tso->tcp_seq += size; /* not worth avoiding this operation for UDP */
57 tso->size -= size;
58 tso->data += size;
60 if ((tso->size == 0) &&
61 (tso->next_frag_idx < skb_shinfo(skb)->nr_frags)) {
62 skb_frag_t *frag = &skb_shinfo(skb)->frags[tso->next_frag_idx];
65 tso->size = skb_frag_size(frag);
66 tso->data = skb_frag_address(frag);
67 tso->next_frag_idx++;
72 int tso_start(struct sk_buff *skb, struct tso_t *tso)
77 tso->tlen = tlen;
78 tso->ip_id = ntohs(ip_hdr(skb)->id);
79 tso->tcp_seq = (tlen != sizeof(struct udphdr)) ? ntohl(tcp_hdr(skb)->seq) : 0;
80 tso->next_frag_idx = 0;
81 tso->ipv6 = vlan_get_protocol(skb) == htons(ETH_P_IPV6);
84 tso->size = skb_headlen(skb) - hdr_len;
85 tso->data = skb->data + hdr_len;
86 if ((tso->size == 0) &&
87 (tso->next_frag_idx < skb_shinfo(skb)->nr_frags)) {
88 skb_frag_t *frag = &skb_shinfo(skb)->frags[tso->next_frag_idx];
91 tso->size = skb_frag_size(frag);
92 tso->data = skb_frag_address(frag);
93 tso->next_frag_idx++;