__le16 *pos;
struct sta_info *sta = NULL;
char *txt = NULL;
- DECLARE_MAC_BUF(mac);
if (ap->local->hostapd) {
dev_kfree_skb(skb);
if (sta)
atomic_dec(&sta->users);
if (txt) {
- PDEBUG(DEBUG_AP, "%s: %s auth_cb - alg=%d "
+ PDEBUG(DEBUG_AP, "%s: " MAC_FMT " auth_cb - alg=%d "
"trans#=%d status=%d - %s\n",
- dev->name, print_mac(mac, hdr->addr1), auth_alg,
- auth_transaction, status, txt);
+ dev->name,
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5],
+ auth_alg, auth_transaction, status, txt);
}
dev_kfree_skb(skb);
}
__le16 *pos;
struct sta_info *sta = NULL;
char *txt = NULL;
- DECLARE_MAC_BUF(mac);
if (ap->local->hostapd) {
dev_kfree_skb(skb);
if (sta)
atomic_dec(&sta->users);
if (txt) {
- PDEBUG(DEBUG_AP, "%s: %s assoc_cb - %s\n",
- dev->name, print_mac(mac, hdr->addr1), txt);
+ PDEBUG(DEBUG_AP, "%s: " MAC_FMT " assoc_cb - %s\n",
+ dev->name,
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5],
+ txt);
}
dev_kfree_skb(skb);
}
struct ap_data *ap = data;
struct ieee80211_hdr_4addr *hdr;
struct sta_info *sta;
- DECLARE_MAC_BUF(mac);
if (skb->len < 24)
goto fail;
sta->flags &= ~WLAN_STA_PENDING_POLL;
spin_unlock(&ap->sta_table_lock);
} else {
- PDEBUG(DEBUG_AP, "%s: STA %s"
+ PDEBUG(DEBUG_AP, "%s: STA " MAC_FMT
" did not ACK activity poll frame\n",
- ap->local->dev->name, print_mac(mac, hdr->addr1));
+ ap->local->dev->name,
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5]);
}
fail:
struct sta_info *sta = NULL;
struct ieee80211_crypt_data *crypt;
char *txt = "";
- DECLARE_MAC_BUF(mac);
len = skb->len - IEEE80211_MGMT_HDR_LEN;
if (len < 6) {
PDEBUG(DEBUG_AP, "%s: handle_authen - too short payload "
- "(len=%d) from %s\n", dev->name, len,
- print_mac(mac, hdr->addr2));
+ "(len=%d) from " MAC_FMT "\n", dev->name, len,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5]);
return;
}
if (time_after(jiffies, sta->u.ap.last_beacon +
(10 * sta->listen_interval * HZ) / 1024)) {
PDEBUG(DEBUG_AP, "%s: no beacons received for a while,"
- " assuming AP %s is now STA\n",
- dev->name, print_mac(mac, sta->addr));
+ " assuming AP " MAC_FMT " is now STA\n",
+ dev->name,
+ sta->addr[0], sta->addr[1], sta->addr[2],
+ sta->addr[3], sta->addr[4], sta->addr[5]);
sta->ap = 0;
sta->flags = 0;
sta->u.sta.challenge = NULL;
}
if (resp) {
- PDEBUG(DEBUG_AP, "%s: %s auth (alg=%d "
+ PDEBUG(DEBUG_AP, "%s: " MAC_FMT " auth (alg=%d "
"trans#=%d stat=%d len=%d fc=%04x) ==> %d (%s)\n",
- dev->name, print_mac(mac, hdr->addr2), auth_alg,
- auth_transaction, status_code, len, fc, resp, txt);
+ dev->name,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
+ auth_alg, auth_transaction, status_code, len,
+ fc, resp, txt);
}
}
int send_deauth = 0;
char *txt = "";
u8 prev_ap[ETH_ALEN];
- DECLARE_MAC_BUF(mac);
left = len = skb->len - IEEE80211_MGMT_HDR_LEN;
if (len < (reassoc ? 10 : 4)) {
PDEBUG(DEBUG_AP, "%s: handle_assoc - too short payload "
- "(len=%d, reassoc=%d) from %s\n",
- dev->name, len, reassoc, print_mac(mac, hdr->addr2));
+ "(len=%d, reassoc=%d) from " MAC_FMT "\n",
+ dev->name, len, reassoc,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5]);
return;
}
}
if (left > 0) {
- PDEBUG(DEBUG_AP, "%s: assoc from %s"
+ PDEBUG(DEBUG_AP, "%s: assoc from " MAC_FMT
" with extra data (%d bytes) [",
- dev->name, print_mac(mac, hdr->addr2), left);
+ dev->name,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
+ left);
while (left > 0) {
PDEBUG2(DEBUG_AP, "<%02x>", *u);
u++; left--;
}
#if 0
- PDEBUG(DEBUG_AP, "%s: %s %sassoc (len=%d "
- "prev_ap=%s) => %d(%d) (%s)\n",
- dev->name, print_mac(mac, hdr->addr2), reassoc ? "re" : "", len,
- print_mac(mac, prev_ap), resp, send_deauth, txt);
+ PDEBUG(DEBUG_AP, "%s: " MAC_FMT" %sassoc (len=%d "
+ "prev_ap=" MAC_FMT") => %d(%d) (%s)\n",
+ dev->name,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
+ reassoc ? "re" : "", len,
+ prev_ap[0], prev_ap[1], prev_ap[2],
+ prev_ap[3], prev_ap[4], prev_ap[5],
+ resp, send_deauth, txt);
#endif
}
pos = (__le16 *) body;
reason_code = le16_to_cpu(*pos);
- PDEBUG(DEBUG_AP, "%s: deauthentication: %s len=%d, "
- "reason_code=%d\n", dev->name, print_mac(mac, hdr->addr2), len,
- reason_code);
+ PDEBUG(DEBUG_AP, "%s: deauthentication: " MAC_FMT " len=%d, "
+ "reason_code=%d\n", dev->name,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
+ len, reason_code);
spin_lock_bh(&local->ap->sta_table_lock);
sta = ap_get_sta(local->ap, hdr->addr2);
}
spin_unlock_bh(&local->ap->sta_table_lock);
if (sta == NULL) {
- printk("%s: deauthentication from %s, "
+ printk("%s: deauthentication from " MAC_FMT ", "
"reason_code=%d, but STA not authenticated\n", dev->name,
- print_mac(mac, hdr->addr2), reason_code);
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
+ reason_code);
}
}
u16 reason_code;
__le16 *pos;
struct sta_info *sta = NULL;
- DECLARE_MAC_BUF(mac);
len = skb->len - IEEE80211_MGMT_HDR_LEN;
pos = (__le16 *) body;
reason_code = le16_to_cpu(*pos);
- PDEBUG(DEBUG_AP, "%s: disassociation: %s len=%d, "
- "reason_code=%d\n", dev->name, print_mac(mac, hdr->addr2), len,
- reason_code);
+ PDEBUG(DEBUG_AP, "%s: disassociation: " MAC_FMT " len=%d, "
+ "reason_code=%d\n", dev->name,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
+ len, reason_code);
spin_lock_bh(&local->ap->sta_table_lock);
sta = ap_get_sta(local->ap, hdr->addr2);
}
spin_unlock_bh(&local->ap->sta_table_lock);
if (sta == NULL) {
- printk("%s: disassociation from %s, "
+ printk("%s: disassociation from " MAC_FMT ", "
"reason_code=%d, but STA not authenticated\n",
- dev->name, print_mac(mac, hdr->addr2), reason_code);
+ dev->name,
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
+ reason_code);
}
}
struct sta_info *sta;
u16 aid;
struct sk_buff *skb;
- DECLARE_MAC_BUF(mac);
- PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=%s"
- ", TA=%s PWRMGT=%d\n",
- print_mac(mac, hdr->addr1), print_mac(mac, hdr->addr2),
+ PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=" MAC_FMT
+ ", TA=" MAC_FMT " PWRMGT=%d\n",
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5],
+ hdr->addr2[0], hdr->addr2[1], hdr->addr2[2],
+ hdr->addr2[3], hdr->addr2[4], hdr->addr2[5],
!!(le16_to_cpu(hdr->frame_ctl) & IEEE80211_FCTL_PM));
if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
- PDEBUG(DEBUG_AP, "handle_pspoll - addr1(BSSID)=%s"
- " not own MAC\n", print_mac(mac, hdr->addr1));
+ PDEBUG(DEBUG_AP, "handle_pspoll - addr1(BSSID)=" MAC_FMT
+ " not own MAC\n",
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5]);
return;
}
wds_oper_queue);
local_info_t *local = ap->local;
struct wds_oper_data *entry, *prev;
- DECLARE_MAC_BUF(mac);
spin_lock_bh(&local->lock);
entry = local->ap->wds_oper_entries;
while (entry) {
PDEBUG(DEBUG_AP, "%s: %s automatic WDS connection "
- "to AP %s\n",
+ "to AP " MAC_FMT "\n",
local->dev->name,
entry->type == WDS_ADD ? "adding" : "removing",
- print_mac(mac, entry->addr));
+ entry->addr[0], entry->addr[1], entry->addr[2],
+ entry->addr[3], entry->addr[4], entry->addr[5]);
if (entry->type == WDS_ADD)
prism2_wds_add(local, entry->addr, 0);
else if (entry->type == WDS_DEL)
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
u16 fc, type, stype;
struct ieee80211_hdr_4addr *hdr;
- DECLARE_MAC_BUF(mac);
/* FIX: should give skb->len to handler functions and check that the
* buffer is long enough */
if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
PDEBUG(DEBUG_AP, "handle_ap_item - addr1(BSSID)="
- "%s not own MAC\n",
- print_mac(mac, hdr->addr1));
+ MAC_FMT " not own MAC\n",
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5]);
goto done;
}
}
if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
- PDEBUG(DEBUG_AP, "handle_ap_item - addr1(DA)=%s"
- " not own MAC\n", print_mac(mac, hdr->addr1));
+ PDEBUG(DEBUG_AP, "handle_ap_item - addr1(DA)=" MAC_FMT
+ " not own MAC\n",
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5]);
goto done;
}
if (memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN)) {
- PDEBUG(DEBUG_AP, "handle_ap_item - addr3(BSSID)=%s"
- " not own MAC\n", print_mac(mac, hdr->addr3));
+ PDEBUG(DEBUG_AP, "handle_ap_item - addr3(BSSID)=" MAC_FMT
+ " not own MAC\n",
+ hdr->addr3[0], hdr->addr3[1], hdr->addr3[2],
+ hdr->addr3[3], hdr->addr3[4], hdr->addr3[5]);
goto done;
}
struct sk_buff *skb;
struct ieee80211_hdr_4addr *hdr;
struct hostap_80211_rx_status rx_stats;
- DECLARE_MAC_BUF(mac);
if (skb_queue_empty(&sta->tx_buf))
return;
hdr->duration_id = cpu_to_le16(sta->aid | BIT(15) | BIT(14));
PDEBUG(DEBUG_PS2, "%s: Scheduling buffered packet delivery for STA "
- "%s\n", local->dev->name, print_mac(mac, sta->addr));
+ MAC_FMT "\n", local->dev->name,
+ sta->addr[0], sta->addr[1], sta->addr[2],
+ sta->addr[3], sta->addr[4], sta->addr[5]);
skb->dev = local->dev;
int ret = sta->tx_rate;
struct hostap_interface *iface;
local_info_t *local;
- DECLARE_MAC_BUF(mac);
iface = netdev_priv(dev);
local = iface->local;
case 3: sta->tx_rate = 110; break;
default: sta->tx_rate = 0; break;
}
- PDEBUG(DEBUG_AP, "%s: STA %s"
+ PDEBUG(DEBUG_AP, "%s: STA " MAC_FMT
" TX rate raised to %d\n",
- dev->name, print_mac(mac, sta->addr), sta->tx_rate);
+ dev->name,
+ sta->addr[0], sta->addr[1], sta->addr[2],
+ sta->addr[3], sta->addr[4], sta->addr[5],
+ sta->tx_rate);
}
sta->tx_since_last_failure = 0;
}
int set_tim, ret;
struct ieee80211_hdr_4addr *hdr;
struct hostap_skb_tx_data *meta;
- DECLARE_MAC_BUF(mac);
meta = (struct hostap_skb_tx_data *) skb->cb;
ret = AP_TX_CONTINUE;
* print out any errors here. */
if (net_ratelimit()) {
printk(KERN_DEBUG "AP: drop packet to non-associated "
- "STA %s\n",
- print_mac(mac, hdr->addr1));
+ "STA " MAC_FMT "\n",
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5]);
}
#endif
local->ap->tx_drop_nonassoc++;
}
if (skb_queue_len(&sta->tx_buf) >= STA_MAX_TX_BUFFER) {
- PDEBUG(DEBUG_PS, "%s: No more space in STA (%s"
+ PDEBUG(DEBUG_PS, "%s: No more space in STA (" MAC_FMT
")'s PS mode buffer\n",
- local->dev->name, print_mac(mac, sta->addr));
+ local->dev->name,
+ sta->addr[0], sta->addr[1], sta->addr[2],
+ sta->addr[3], sta->addr[4], sta->addr[5]);
/* Make sure that TIM is set for the station (it might not be
* after AP wlan hw reset). */
/* FIX: should fix hw reset to restore bits based on STA
struct sta_info *sta;
struct ieee80211_hdr_4addr *hdr;
struct hostap_skb_tx_data *meta;
- DECLARE_MAC_BUF(mac);
hdr = (struct ieee80211_hdr_4addr *) skb->data;
meta = (struct hostap_skb_tx_data *) skb->cb;
sta = ap_get_sta(local->ap, hdr->addr1);
if (!sta) {
spin_unlock(&local->ap->sta_table_lock);
- PDEBUG(DEBUG_AP, "%s: Could not find STA %s"
+ PDEBUG(DEBUG_AP, "%s: Could not find STA " MAC_FMT
" for this TX error (@%lu)\n",
- local->dev->name, print_mac(mac, hdr->addr1), jiffies);
+ local->dev->name,
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5],
+ jiffies);
return;
}
case 3: sta->tx_rate = 110; break;
default: sta->tx_rate = 0; break;
}
- PDEBUG(DEBUG_AP, "%s: STA %s"
+ PDEBUG(DEBUG_AP, "%s: STA " MAC_FMT
" TX rate lowered to %d\n",
- local->dev->name, print_mac(mac, sta->addr),
+ local->dev->name,
+ sta->addr[0], sta->addr[1], sta->addr[2],
+ sta->addr[3], sta->addr[4], sta->addr[5],
sta->tx_rate);
}
sta->tx_consecutive_exc = 0;
struct sta_info *sta;
u16 fc, type, stype;
struct ieee80211_hdr_4addr *hdr;
- DECLARE_MAC_BUF(mac);
if (local->ap == NULL)
return AP_RX_CONTINUE;
} else {
printk(KERN_DEBUG "%s: dropped received packet"
" from non-associated STA "
- "%s"
+ MAC_FMT
" (type=0x%02x, subtype=0x%02x)\n",
- dev->name, print_mac(mac, hdr->addr2),
+ dev->name,
+ hdr->addr2[0], hdr->addr2[1],
+ hdr->addr2[2], hdr->addr2[3],
+ hdr->addr2[4], hdr->addr2[5],
type >> 2, stype >> 4);
hostap_rx(dev, skb, rx_stats);
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
* being associated. */
printk(KERN_DEBUG "%s: rejected received nullfunc "
"frame without ToDS from not associated STA "
- "%s\n",
- dev->name, print_mac(mac, hdr->addr2));
+ MAC_FMT "\n",
+ dev->name,
+ hdr->addr2[0], hdr->addr2[1],
+ hdr->addr2[2], hdr->addr2[3],
+ hdr->addr2[4], hdr->addr2[5]);
hostap_rx(dev, skb, rx_stats);
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
}
* If BSSID is own, report the dropping of this frame. */
if (memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0) {
printk(KERN_DEBUG "%s: dropped received packet from "
- "%s with no ToDS flag "
+ MAC_FMT " with no ToDS flag "
"(type=0x%02x, subtype=0x%02x)\n", dev->name,
- print_mac(mac, hdr->addr2), type >> 2, stype >> 4);
+ hdr->addr2[0], hdr->addr2[1],
+ hdr->addr2[2], hdr->addr2[3],
+ hdr->addr2[4], hdr->addr2[5],
+ type >> 2, stype >> 4);
hostap_dump_rx_80211(dev->name, skb, rx_stats);
}
ret = AP_RX_DROP;
return flag;
}
-/* If we receive more dupacks than we expected counting segments
- * in assumption of absent reordering, interpret this as reordering.
- * The only another reason could be bug in receiver TCP.
+/* Limits sacked_out so that sum with lost_out isn't ever larger than
+ * packets_out. Returns zero if sacked_out adjustement wasn't necessary.
*/
-static void tcp_check_reno_reordering(struct sock *sk, const int addend)
+int tcp_limit_reno_sacked(struct tcp_sock *tp)
{
- struct tcp_sock *tp = tcp_sk(sk);
u32 holes;
holes = max(tp->lost_out, 1U);
if ((tp->sacked_out + holes) > tp->packets_out) {
tp->sacked_out = tp->packets_out - holes;
- tcp_update_reordering(sk, tp->packets_out + addend, 0);
+ return 1;
}
+ return 0;
+}
+
+/* If we receive more dupacks than we expected counting segments
+ * in assumption of absent reordering, interpret this as reordering.
+ * The only another reason could be bug in receiver TCP.
+ */
+static void tcp_check_reno_reordering(struct sock *sk, const int addend)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+ if (tcp_limit_reno_sacked(tp))
+ tcp_update_reordering(sk, tp->packets_out + addend, 0);
}
/* Emulate SACKs for SACKless connection: account for a new dupack. */
int tcp_use_frto(struct sock *sk)
{
const struct tcp_sock *tp = tcp_sk(sk);
+ const struct inet_connection_sock *icsk = inet_csk(sk);
struct sk_buff *skb;
if (!sysctl_tcp_frto)
return 0;
+ /* MTU probe and F-RTO won't really play nicely along currently */
+ if (icsk->icsk_mtup.probe_size)
+ return 0;
+
if (IsSackFrto())
return 1;
/* Mark head of queue up as lost. With RFC3517 SACK, the packets is
* is against sacked "cnt", otherwise it's against facked "cnt"
*/
-static void tcp_mark_head_lost(struct sock *sk, int packets, int fast_rexmit)
+static void tcp_mark_head_lost(struct sock *sk, int packets)
{
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *skb;
- int cnt;
+ int cnt, oldcnt;
+ int err;
+ unsigned int mss;
BUG_TRAP(packets <= tp->packets_out);
if (tp->lost_skb_hint) {
tp->lost_skb_hint = skb;
tp->lost_cnt_hint = cnt;
+ if (after(TCP_SKB_CB(skb)->end_seq, tp->high_seq))
+ break;
+
+ oldcnt = cnt;
if (tcp_is_fack(tp) || tcp_is_reno(tp) ||
(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED))
cnt += tcp_skb_pcount(skb);
- if (((!fast_rexmit || (tp->lost_out > 0)) && (cnt > packets)) ||
- after(TCP_SKB_CB(skb)->end_seq, tp->high_seq))
- break;
+ if (cnt > packets) {
+ if (tcp_is_sack(tp) || (oldcnt >= packets))
+ break;
+
+ mss = skb_shinfo(skb)->gso_size;
+ err = tcp_fragment(sk, skb, (packets - oldcnt) * mss, mss);
+ if (err < 0)
+ break;
+ cnt = packets;
+ }
+
if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_SACKED_ACKED|TCPCB_LOST))) {
TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
tp->lost_out += tcp_skb_pcount(skb);
struct tcp_sock *tp = tcp_sk(sk);
if (tcp_is_reno(tp)) {
- tcp_mark_head_lost(sk, 1, fast_rexmit);
+ tcp_mark_head_lost(sk, 1);
} else if (tcp_is_fack(tp)) {
int lost = tp->fackets_out - tp->reordering;
if (lost <= 0)
lost = 1;
- tcp_mark_head_lost(sk, lost, fast_rexmit);
+ tcp_mark_head_lost(sk, lost);
} else {
int sacked_upto = tp->sacked_out - tp->reordering;
- if (sacked_upto < 0)
- sacked_upto = 0;
- tcp_mark_head_lost(sk, sacked_upto, fast_rexmit);
+ if (sacked_upto < fast_rexmit)
+ sacked_upto = fast_rexmit;
+ tcp_mark_head_lost(sk, sacked_upto);
}
/* New heuristics: it is possible only after we switched
before(tp->snd_una, tp->high_seq) &&
icsk->icsk_ca_state != TCP_CA_Open &&
tp->fackets_out > tp->reordering) {
- tcp_mark_head_lost(sk, tp->fackets_out - tp->reordering, 0);
+ tcp_mark_head_lost(sk, tp->fackets_out - tp->reordering);
NET_INC_STATS_BH(LINUX_MIB_TCPLOSS);
}
case TCP_CA_Loss:
if (flag & FLAG_DATA_ACKED)
icsk->icsk_retransmits = 0;
+ if (tcp_is_reno(tp) && flag & FLAG_SND_UNA_ADVANCED)
+ tcp_reset_reno_sack(tp);
if (!tcp_try_undo_loss(sk)) {
tcp_moderate_cwnd(tp);
tcp_xmit_retransmit_queue(sk);