Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Minor comment merge conflict in mlx5.

Staging driver has a fixup due to the skb->xmit_more changes
in 'net-next', but was removed in 'net'.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2019-04-05 14:14:19 -07:00
527 changed files with 4635 additions and 6932 deletions

View File

@@ -257,11 +257,10 @@ int ip_local_deliver(struct sk_buff *skb)
ip_local_deliver_finish);
}
static inline bool ip_rcv_options(struct sk_buff *skb)
static inline bool ip_rcv_options(struct sk_buff *skb, struct net_device *dev)
{
struct ip_options *opt;
const struct iphdr *iph;
struct net_device *dev = skb->dev;
/* It looks as overkill, because not all
IP options require packet mangling.
@@ -297,7 +296,7 @@ static inline bool ip_rcv_options(struct sk_buff *skb)
}
}
if (ip_options_rcv_srr(skb))
if (ip_options_rcv_srr(skb, dev))
goto drop;
}
@@ -353,7 +352,7 @@ static int ip_rcv_finish_core(struct net *net, struct sock *sk,
}
#endif
if (iph->ihl > 5 && ip_rcv_options(skb))
if (iph->ihl > 5 && ip_rcv_options(skb, dev))
goto drop;
rt = skb_rtable(skb);

View File

@@ -612,7 +612,7 @@ void ip_forward_options(struct sk_buff *skb)
}
}
int ip_options_rcv_srr(struct sk_buff *skb)
int ip_options_rcv_srr(struct sk_buff *skb, struct net_device *dev)
{
struct ip_options *opt = &(IPCB(skb)->opt);
int srrspace, srrptr;
@@ -647,7 +647,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
orefdst = skb->_skb_refdst;
skb_dst_set(skb, NULL);
err = ip_route_input(skb, nexthop, iph->saddr, iph->tos, skb->dev);
err = ip_route_input(skb, nexthop, iph->saddr, iph->tos, dev);
rt2 = skb_rtable(skb);
if (err || (rt2->rt_type != RTN_UNICAST && rt2->rt_type != RTN_LOCAL)) {
skb_dst_drop(skb);

View File

@@ -67,11 +67,6 @@ static unsigned int dctcp_alpha_on_init __read_mostly = DCTCP_MAX_ALPHA;
module_param(dctcp_alpha_on_init, uint, 0644);
MODULE_PARM_DESC(dctcp_alpha_on_init, "parameter for initial alpha value");
static unsigned int dctcp_clamp_alpha_on_loss __read_mostly;
module_param(dctcp_clamp_alpha_on_loss, uint, 0644);
MODULE_PARM_DESC(dctcp_clamp_alpha_on_loss,
"parameter for clamping alpha on loss");
static struct tcp_congestion_ops dctcp_reno;
static void dctcp_reset(const struct tcp_sock *tp, struct dctcp *ca)
@@ -164,21 +159,23 @@ static void dctcp_update_alpha(struct sock *sk, u32 flags)
}
}
static void dctcp_react_to_loss(struct sock *sk)
{
struct dctcp *ca = inet_csk_ca(sk);
struct tcp_sock *tp = tcp_sk(sk);
ca->loss_cwnd = tp->snd_cwnd;
tp->snd_ssthresh = max(tp->snd_cwnd >> 1U, 2U);
}
static void dctcp_state(struct sock *sk, u8 new_state)
{
if (dctcp_clamp_alpha_on_loss && new_state == TCP_CA_Loss) {
struct dctcp *ca = inet_csk_ca(sk);
/* If this extension is enabled, we clamp dctcp_alpha to
* max on packet loss; the motivation is that dctcp_alpha
* is an indicator to the extend of congestion and packet
* loss is an indicator of extreme congestion; setting
* this in practice turned out to be beneficial, and
* effectively assumes total congestion which reduces the
* window by half.
*/
ca->dctcp_alpha = DCTCP_MAX_ALPHA;
}
if (new_state == TCP_CA_Recovery &&
new_state != inet_csk(sk)->icsk_ca_state)
dctcp_react_to_loss(sk);
/* We handle RTO in dctcp_cwnd_event to ensure that we perform only
* one loss-adjustment per RTT.
*/
}
static void dctcp_cwnd_event(struct sock *sk, enum tcp_ca_event ev)
@@ -190,6 +187,9 @@ static void dctcp_cwnd_event(struct sock *sk, enum tcp_ca_event ev)
case CA_EVENT_ECN_NO_CE:
dctcp_ece_ack_update(sk, ev, &ca->prior_rcv_nxt, &ca->ce_state);
break;
case CA_EVENT_LOSS:
dctcp_react_to_loss(sk);
break;
default:
/* Don't care for the rest. */
break;

View File

@@ -2585,7 +2585,8 @@ static void __net_exit tcp_sk_exit(struct net *net)
{
int cpu;
module_put(net->ipv4.tcp_congestion_control->owner);
if (net->ipv4.tcp_congestion_control)
module_put(net->ipv4.tcp_congestion_control->owner);
for_each_possible_cpu(cpu)
inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.tcp_sk, cpu));