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-rw-r--r--include/net/dst_ops.h2
-rw-r--r--include/net/mana/gdma.h4
-rw-r--r--include/net/mana/mana.h9
-rw-r--r--include/net/page_pool/types.h5
-rw-r--r--include/net/request_sock.h12
-rw-r--r--include/net/rtnetlink.h1
-rw-r--r--include/net/sock.h13
-rw-r--r--include/net/tcp_ao.h7
8 files changed, 32 insertions, 21 deletions
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 6d1c8541183d..3a9001a042a5 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -24,7 +24,7 @@ struct dst_ops {
void (*destroy)(struct dst_entry *);
void (*ifdown)(struct dst_entry *,
struct net_device *dev);
- struct dst_entry * (*negative_advice)(struct dst_entry *);
+ void (*negative_advice)(struct sock *sk, struct dst_entry *);
void (*link_failure)(struct sk_buff *);
void (*update_pmtu)(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb, u32 mtu,
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h
index 44c797d5f899..5832081bc8dc 100644
--- a/include/net/mana/gdma.h
+++ b/include/net/mana/gdma.h
@@ -544,11 +544,13 @@ enum {
*/
#define GDMA_DRV_CAP_FLAG_1_NAPI_WKDONE_FIX BIT(2)
#define GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG BIT(3)
+#define GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT BIT(5)
#define GDMA_DRV_CAP_FLAGS1 \
(GDMA_DRV_CAP_FLAG_1_EQ_SHARING_MULTI_VPORT | \
GDMA_DRV_CAP_FLAG_1_NAPI_WKDONE_FIX | \
- GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG)
+ GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG | \
+ GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT)
#define GDMA_DRV_CAP_FLAGS2 0
diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h
index 561f6719fb4e..59823901b74f 100644
--- a/include/net/mana/mana.h
+++ b/include/net/mana/mana.h
@@ -30,8 +30,8 @@ enum TRI_STATE {
};
/* Number of entries for hardware indirection table must be in power of 2 */
-#define MANA_INDIRECT_TABLE_SIZE 64
-#define MANA_INDIRECT_TABLE_MASK (MANA_INDIRECT_TABLE_SIZE - 1)
+#define MANA_INDIRECT_TABLE_MAX_SIZE 512
+#define MANA_INDIRECT_TABLE_DEF_SIZE 64
/* The Toeplitz hash key's length in bytes: should be multiple of 8 */
#define MANA_HASH_KEY_SIZE 40
@@ -410,10 +410,11 @@ struct mana_port_context {
struct mana_tx_qp *tx_qp;
/* Indirection Table for RX & TX. The values are queue indexes */
- u32 indir_table[MANA_INDIRECT_TABLE_SIZE];
+ u32 *indir_table;
+ u32 indir_table_sz;
/* Indirection table containing RxObject Handles */
- mana_handle_t rxobj_table[MANA_INDIRECT_TABLE_SIZE];
+ mana_handle_t *rxobj_table;
/* Hash key used by the NIC */
u8 hashkey[MANA_HASH_KEY_SIZE];
diff --git a/include/net/page_pool/types.h b/include/net/page_pool/types.h
index b088d131aeb0..7e8477057f3d 100644
--- a/include/net/page_pool/types.h
+++ b/include/net/page_pool/types.h
@@ -45,16 +45,17 @@ struct pp_alloc_cache {
/**
* struct page_pool_params - page pool parameters
+ * @fast: params accessed frequently on hotpath
* @order: 2^order pages on allocation
* @pool_size: size of the ptr_ring
* @nid: NUMA node id to allocate from pages from
* @dev: device, for DMA pre-mapping purposes
- * @netdev: netdev this pool will serve (leave as NULL if none or multiple)
* @napi: NAPI which is the sole consumer of pages, otherwise NULL
* @dma_dir: DMA mapping direction
* @max_len: max DMA sync memory size for PP_FLAG_DMA_SYNC_DEV
* @offset: DMA sync address offset for PP_FLAG_DMA_SYNC_DEV
- * @netdev: corresponding &net_device for Netlink introspection
+ * @slow: params with slowpath access only (initialization and Netlink)
+ * @netdev: netdev this pool will serve (leave as NULL if none or multiple)
* @flags: PP_FLAG_DMA_MAP, PP_FLAG_DMA_SYNC_DEV, PP_FLAG_SYSTEM_POOL
*/
struct page_pool_params {
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index d88c0dfc2d46..ebcb8896bffc 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -285,4 +285,16 @@ static inline int reqsk_queue_len_young(const struct request_sock_queue *queue)
return atomic_read(&queue->young);
}
+/* RFC 7323 2.3 Using the Window Scale Option
+ * The window field (SEG.WND) of every outgoing segment, with the
+ * exception of <SYN> segments, MUST be right-shifted by
+ * Rcv.Wind.Shift bits.
+ *
+ * This means the SEG.WND carried in SYNACK can not exceed 65535.
+ * We use this property to harden TCP stack while in NEW_SYN_RECV state.
+ */
+static inline u32 tcp_synack_window(const struct request_sock *req)
+{
+ return min(req->rsk_rcv_wnd, 65535U);
+}
#endif /* _REQUEST_SOCK_H */
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index 3bfb80bad173..b45d57b5968a 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -13,6 +13,7 @@ enum rtnl_link_flags {
RTNL_FLAG_DOIT_UNLOCKED = BIT(0),
RTNL_FLAG_BULK_DEL_SUPPORTED = BIT(1),
RTNL_FLAG_DUMP_UNLOCKED = BIT(2),
+ RTNL_FLAG_DUMP_SPLIT_NLM_DONE = BIT(3), /* legacy behavior */
};
enum rtnl_kinds {
diff --git a/include/net/sock.h b/include/net/sock.h
index 5f4d0629348f..953c8dc4e259 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2063,17 +2063,10 @@ sk_dst_get(const struct sock *sk)
static inline void __dst_negative_advice(struct sock *sk)
{
- struct dst_entry *ndst, *dst = __sk_dst_get(sk);
+ struct dst_entry *dst = __sk_dst_get(sk);
- if (dst && dst->ops->negative_advice) {
- ndst = dst->ops->negative_advice(dst);
-
- if (ndst != dst) {
- rcu_assign_pointer(sk->sk_dst_cache, ndst);
- sk_tx_queue_clear(sk);
- WRITE_ONCE(sk->sk_dst_pending_confirm, 0);
- }
- }
+ if (dst && dst->ops->negative_advice)
+ dst->ops->negative_advice(sk, dst);
}
static inline void dst_negative_advice(struct sock *sk)
diff --git a/include/net/tcp_ao.h b/include/net/tcp_ao.h
index 471e177362b4..5d8e9ed2c005 100644
--- a/include/net/tcp_ao.h
+++ b/include/net/tcp_ao.h
@@ -86,7 +86,8 @@ static inline int tcp_ao_sizeof_key(const struct tcp_ao_key *key)
struct tcp_ao_info {
/* List of tcp_ao_key's */
struct hlist_head head;
- /* current_key and rnext_key aren't maintained on listen sockets.
+ /* current_key and rnext_key are maintained on sockets
+ * in TCP_AO_ESTABLISHED states.
* Their purpose is to cache keys on established connections,
* saving needless lookups. Never dereference any of them from
* listen sockets.
@@ -201,9 +202,9 @@ struct tcp6_ao_context {
};
struct tcp_sigpool;
+/* Established states are fast-path and there always is current_key/rnext_key */
#define TCP_AO_ESTABLISHED (TCPF_ESTABLISHED | TCPF_FIN_WAIT1 | TCPF_FIN_WAIT2 | \
- TCPF_CLOSE | TCPF_CLOSE_WAIT | \
- TCPF_LAST_ACK | TCPF_CLOSING)
+ TCPF_CLOSE_WAIT | TCPF_LAST_ACK | TCPF_CLOSING)
int tcp_ao_transmit_skb(struct sock *sk, struct sk_buff *skb,
struct tcp_ao_key *key, struct tcphdr *th,
generated by cgit v1.2.3 (git 2.39.0) at 2025-07-31 05:12:12 +0300