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-rw-r--r--include/linux/tcp.h2
-rw-r--r--include/net/tcp.h5
-rw-r--r--include/net/xsk_buff_pool.h2
-rw-r--r--include/uapi/linux/bpf.h7
4 files changed, 11 insertions, 5 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 3bdf687e2fb3..41b1da621a45 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -295,7 +295,7 @@ struct tcp_sock {
u32 packets_out; /* Packets which are "in flight" */
u32 retrans_out; /* Retransmitted packets out */
u32 max_packets_out; /* max packets_out in last window */
- u32 max_packets_seq; /* right edge of max_packets_out flight */
+ u32 cwnd_usage_seq; /* right edge of cwnd usage tracking flight */
u16 urg_data; /* Saved octet of OOB data and control flags */
u8 ecn_flags; /* ECN status bits. */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 4f71cc15ff8e..14d45661a84d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1302,11 +1302,14 @@ static inline bool tcp_is_cwnd_limited(const struct sock *sk)
{
const struct tcp_sock *tp = tcp_sk(sk);
+ if (tp->is_cwnd_limited)
+ return true;
+
/* If in slow start, ensure cwnd grows to twice what was ACKed. */
if (tcp_in_slow_start(tp))
return tcp_snd_cwnd(tp) < 2 * tp->max_packets_out;
- return tp->is_cwnd_limited;
+ return false;
}
/* BBR congestion control needs pacing.
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
index 647722e847b4..f787c3f524b0 100644
--- a/include/net/xsk_buff_pool.h
+++ b/include/net/xsk_buff_pool.h
@@ -95,7 +95,7 @@ struct xsk_buff_pool *xp_create_and_assign_umem(struct xdp_sock *xs,
struct xdp_umem *umem);
int xp_assign_dev(struct xsk_buff_pool *pool, struct net_device *dev,
u16 queue_id, u16 flags);
-int xp_assign_dev_shared(struct xsk_buff_pool *pool, struct xdp_umem *umem,
+int xp_assign_dev_shared(struct xsk_buff_pool *pool, struct xdp_sock *umem_xs,
struct net_device *dev, u16 queue_id);
int xp_alloc_tx_descs(struct xsk_buff_pool *pool, struct xdp_sock *xs);
void xp_destroy(struct xsk_buff_pool *pool);
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 3075018a4ef8..51b9aa640ad2 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -1259,7 +1259,7 @@ enum {
/* Query effective (directly attached + inherited from ancestor cgroups)
* programs that will be executed for events within a cgroup.
- * attach_flags with this flag are returned only for directly attached programs.
+ * attach_flags with this flag are always returned 0.
*/
#define BPF_F_QUERY_EFFECTIVE (1U << 0)
@@ -1458,7 +1458,10 @@ union bpf_attr {
__u32 attach_flags;
__aligned_u64 prog_ids;
__u32 prog_cnt;
- __aligned_u64 prog_attach_flags; /* output: per-program attach_flags */
+ /* output: per-program attach_flags.
+ * not allowed to be set during effective query.
+ */
+ __aligned_u64 prog_attach_flags;
} query;
struct { /* anonymous struct used by BPF_RAW_TRACEPOINT_OPEN command */