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authorEric Dumazet <edumazet@google.com>2024-03-06 16:00:18 +0000
committerJakub Kicinski <kuba@kernel.org>2024-03-07 21:12:42 -0800
commitedbc666cdcbf4a80ada4311c272a2078af87b880 (patch)
tree61104dd905b4d0eb4e81c7b88e56fc6be31f3f21 /net/xfrm
parent0b91fa4bfb1caedd01cb6eb3b733cbc77c9edb0e (diff)
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net: move netdev_max_backlog to net_hotdata
netdev_max_backlog is used in rx fat path. Move it to net_hodata for better cache locality. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20240306160031.874438-6-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/espintcp.c4
-rw-r--r--net/xfrm/xfrm_input.c3
2 files changed, 5 insertions, 2 deletions
diff --git a/net/xfrm/espintcp.c b/net/xfrm/espintcp.c
index d3b3f9e720b3..fe82e2d07300 100644
--- a/net/xfrm/espintcp.c
+++ b/net/xfrm/espintcp.c
@@ -10,6 +10,7 @@
#if IS_ENABLED(CONFIG_IPV6)
#include <net/ipv6_stubs.h>
#endif
+#include <net/hotdata.h>
static void handle_nonesp(struct espintcp_ctx *ctx, struct sk_buff *skb,
struct sock *sk)
@@ -169,7 +170,8 @@ int espintcp_queue_out(struct sock *sk, struct sk_buff *skb)
{
struct espintcp_ctx *ctx = espintcp_getctx(sk);
- if (skb_queue_len(&ctx->out_queue) >= READ_ONCE(netdev_max_backlog))
+ if (skb_queue_len(&ctx->out_queue) >=
+ READ_ONCE(net_hotdata.max_backlog))
return -ENOBUFS;
__skb_queue_tail(&ctx->out_queue, skb);
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index bd4ce21d76d7..161f535c8b94 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -21,6 +21,7 @@
#include <net/ip_tunnels.h>
#include <net/ip6_tunnel.h>
#include <net/dst_metadata.h>
+#include <net/hotdata.h>
#include "xfrm_inout.h"
@@ -764,7 +765,7 @@ int xfrm_trans_queue_net(struct net *net, struct sk_buff *skb,
trans = this_cpu_ptr(&xfrm_trans_tasklet);
- if (skb_queue_len(&trans->queue) >= READ_ONCE(netdev_max_backlog))
+ if (skb_queue_len(&trans->queue) >= READ_ONCE(net_hotdata.max_backlog))
return -ENOBUFS;
BUILD_BUG_ON(sizeof(struct xfrm_trans_cb) > sizeof(skb->cb));