Merge tag 'stratix10_svc_fix_v6.18' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into char-misc-linus

Dinh writes:

firmware: stratix10-svc: fix saving contoller data for v6.18
- Fix the incorrect use of platform_set_drvdata and dev_set_drvdata

* tag 'stratix10_svc_fix_v6.18' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: (237 commits)
  firmware: stratix10-svc: fix bug in saving controller data
  Linux 6.18-rc4
  objtool: Fix skip_alt_group() for non-alternative STAC/CLAC
  kconfig/nconf: Initialize the default locale at startup
  kconfig/mconf: Initialize the default locale at startup
  x86/mm: Ensure clear_page() variants always have __kcfi_typeid_ symbols
  PCI: Do not size non-existing prefetchable window
  Revert "PCI: qcom: Remove custom ASPM enablement code"
  bpf/arm64: Fix BPF_ST into arena memory
  bpf: Make migrate_disable always inline to avoid partial inlining
  null_blk: set dma alignment to logical block size
  xfs: document another racy GC case in xfs_zoned_map_extent
  xfs: prevent gc from picking the same zone twice
  drm/ast: Clear preserved bits from register output value
  s390: Disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
  drm/imx: parallel-display: add the bridge before attaching it
  drm/imx: parallel-display: convert to devm_drm_bridge_alloc() API
  blk-crypto: use BLK_STS_INVAL for alignment errors
  regulator: bd718x7: Fix voltages scaled by resistor divider
  x86/cpu: Add/fix core comments for {Panther,Nova} Lake
  ...

1 files changed, 14 insertions, 7 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 31ea5af49f2d..e4a979b75cc6 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -891,18 +891,27 @@ static inline void tcp_rcv_rtt_measure_ts(struct sock *sk,
 	}
 }
 
-void tcp_rcvbuf_grow(struct sock *sk)
+void tcp_rcvbuf_grow(struct sock *sk, u32 newval)
 {
 	const struct net *net = sock_net(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
-	int rcvwin, rcvbuf, cap;
+	u32 rcvwin, rcvbuf, cap, oldval;
+	u64 grow;
+
+	oldval = tp->rcvq_space.space;
+	tp->rcvq_space.space = newval;
 
 	if (!READ_ONCE(net->ipv4.sysctl_tcp_moderate_rcvbuf) ||
 	    (sk->sk_userlocks & SOCK_RCVBUF_LOCK))
 		return;
 
+	/* DRS is always one RTT late. */
+	rcvwin = newval << 1;
+
 	/* slow start: allow the sender to double its rate. */
-	rcvwin = tp->rcvq_space.space << 1;
+	grow = (u64)rcvwin * (newval - oldval);
+	do_div(grow, oldval);
+	rcvwin += grow << 1;
 
 	if (!RB_EMPTY_ROOT(&tp->out_of_order_queue))
 		rcvwin += TCP_SKB_CB(tp->ooo_last_skb)->end_seq - tp->rcv_nxt;
@@ -943,9 +952,7 @@ void tcp_rcv_space_adjust(struct sock *sk)
 
 	trace_tcp_rcvbuf_grow(sk, time);
 
-	tp->rcvq_space.space = copied;
-
-	tcp_rcvbuf_grow(sk);
+	tcp_rcvbuf_grow(sk, copied);
 
 new_measure:
 	tp->rcvq_space.seq = tp->copied_seq;
@@ -5270,7 +5277,7 @@ end:
 	}
 	/* do not grow rcvbuf for not-yet-accepted or orphaned sockets. */
 	if (sk->sk_socket)
-		tcp_rcvbuf_grow(sk);
+		tcp_rcvbuf_grow(sk, tp->rcvq_space.space);
 }
 
 static int __must_check tcp_queue_rcv(struct sock *sk, struct sk_buff *skb,