Lines Matching refs:lro
2968 if (ring_data->lro) {
2971 struct lro *lro = &ring_data->lro0_n[i];
2972 if (lro->in_use) {
2973 update_L3L4_header(ring_data->nic, lro);
2974 queue_rx_frame(lro->parent, lro->vlan_tag);
2975 clear_lro_session(lro);
7112 ring->lro = !!(dev->features & NETIF_F_LRO);
7280 struct lro *lro;
7367 ((!ring_data->lro) ||
7379 if (ring_data->lro) {
7386 &tcp_len, &lro,
7390 lro->parent = skb;
7393 lro_append_pkt(sp, lro, skb, tcp_len);
7396 lro_append_pkt(sp, lro, skb, tcp_len);
7397 queue_rx_frame(lro->parent,
7398 lro->vlan_tag);
7399 clear_lro_session(lro);
7403 lro->parent->data_len = lro->frags_len;
7405 queue_rx_frame(lro->parent,
7406 lro->vlan_tag);
7407 clear_lro_session(lro);
8207 static int check_for_socket_match(struct lro *lro, struct iphdr *ip,
8211 if ((lro->iph->saddr != ip->saddr) ||
8212 (lro->iph->daddr != ip->daddr) ||
8213 (lro->tcph->source != tcp->source) ||
8214 (lro->tcph->dest != tcp->dest))
8224 static void initiate_new_session(struct lro *lro, u8 *l2h,
8229 lro->l2h = l2h;
8230 lro->iph = ip;
8231 lro->tcph = tcp;
8232 lro->tcp_next_seq = tcp_pyld_len + ntohl(tcp->seq);
8233 lro->tcp_ack = tcp->ack_seq;
8234 lro->sg_num = 1;
8235 lro->total_len = ntohs(ip->tot_len);
8236 lro->frags_len = 0;
8237 lro->vlan_tag = vlan_tag;
8245 lro->saw_ts = 1;
8246 lro->cur_tsval = ntohl(*(ptr+1));
8247 lro->cur_tsecr = *(ptr+2);
8249 lro->in_use = 1;
8252 static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro)
8254 struct iphdr *ip = lro->iph;
8255 struct tcphdr *tcp = lro->tcph;
8261 csum_replace2(&ip->check, ip->tot_len, htons(lro->total_len));
8262 ip->tot_len = htons(lro->total_len);
8265 tcp->ack_seq = lro->tcp_ack;
8266 tcp->window = lro->window;
8269 if (lro->saw_ts) {
8271 *(ptr+2) = lro->cur_tsecr;
8277 swstats->sum_avg_pkts_aggregated += lro->sg_num;
8281 static void aggregate_new_rx(struct lro *lro, struct iphdr *ip,
8285 lro->total_len += l4_pyld;
8286 lro->frags_len += l4_pyld;
8287 lro->tcp_next_seq += l4_pyld;
8288 lro->sg_num++;
8291 lro->tcp_ack = tcp->ack_seq;
8292 lro->window = tcp->window;
8294 if (lro->saw_ts) {
8298 lro->cur_tsval = ntohl(*(ptr+1));
8299 lro->cur_tsecr = *(ptr + 2);
8303 static int verify_l3_l4_lro_capable(struct lro *l_lro, struct iphdr *ip,
8362 u8 **tcp, u32 *tcp_len, struct lro **lro,
8382 struct lro *l_lro = &ring_data->lro0_n[i];
8387 *lro = l_lro;
8389 if ((*lro)->tcp_next_seq != ntohl(tcph->seq)) {
8393 (*lro)->tcp_next_seq,
8420 struct lro *l_lro = &ring_data->lro0_n[i];
8422 *lro = l_lro;
8432 *lro = NULL;
8438 initiate_new_session(*lro, buffer, ip, tcph, *tcp_len,
8442 update_L3L4_header(sp, *lro);
8445 aggregate_new_rx(*lro, ip, tcph, *tcp_len);
8446 if ((*lro)->sg_num == sp->lro_max_aggr_per_sess) {
8447 update_L3L4_header(sp, *lro);
8459 static void clear_lro_session(struct lro *lro)
8461 static u16 lro_struct_size = sizeof(struct lro);
8463 memset(lro, 0, lro_struct_size);
8480 static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro,
8483 struct sk_buff *first = lro->parent;
8487 first->data_len = lro->frags_len;
8490 lro->last_frag->next = skb;
8494 lro->last_frag = skb;