Update to FreeBSD head 2018-04-01

Git mirror commit 8dfb1ccc26d1cea7e2529303003ff61f9f1784c4.

Update #3472.
This commit is contained in:
Sebastian Huber
2018-08-21 09:39:55 +02:00
parent 18fa92c2dc
commit 2df56dbd60
327 changed files with 6676 additions and 3502 deletions

View File

@@ -59,6 +59,7 @@ __FBSDID("$FreeBSD$");
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/tcp.h>
#include <netinet/tcp_seq.h>
#include <netinet/tcp_lro.h>
#include <netinet/tcp_var.h>
@@ -796,7 +797,9 @@ tcp_lro_rx2(struct lro_ctrl *lc, struct mbuf *m, uint32_t csum, int use_hash)
/* Try to append the new segment. */
if (__predict_false(seq != le->next_seq ||
(tcp_data_len == 0 && le->ack_seq == th->th_ack))) {
(tcp_data_len == 0 &&
le->ack_seq == th->th_ack &&
le->window == th->th_win))) {
/* Out of order packet or duplicate ACK. */
tcp_lro_active_remove(le);
tcp_lro_flush(lc, le);
@@ -813,12 +816,20 @@ tcp_lro_rx2(struct lro_ctrl *lc, struct mbuf *m, uint32_t csum, int use_hash)
le->tsval = tsval;
le->tsecr = *(ts_ptr + 2);
}
le->next_seq += tcp_data_len;
le->ack_seq = th->th_ack;
le->window = th->th_win;
le->append_cnt++;
if (tcp_data_len || SEQ_GT(ntohl(th->th_ack), ntohl(le->ack_seq))) {
le->next_seq += tcp_data_len;
le->ack_seq = th->th_ack;
le->window = th->th_win;
le->append_cnt++;
} else if (th->th_ack == le->ack_seq) {
le->window = WIN_MAX(le->window, th->th_win);
le->append_cnt++;
} else {
/* no data and old ack */
le->append_cnt++;
m_freem(m);
return (0);
}
#ifdef TCP_LRO_UPDATE_CSUM
le->ulp_csum += tcp_lro_rx_csum_fixup(le, l3hdr, th,
tcp_data_len, ~csum);