Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/net/smc/smc.h b/net/smc/smc.h
index 878313f..e6919fe 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -18,9 +18,20 @@
#include "smc_ib.h"
+#define SMC_V1 1 /* SMC version V1 */
+#define SMC_V2 2 /* SMC version V2 */
+#define SMC_RELEASE 0
+
#define SMCPROTO_SMC 0 /* SMC protocol, IPv4 */
#define SMCPROTO_SMC6 1 /* SMC protocol, IPv6 */
+#define SMC_MAX_ISM_DEVS 8 /* max # of proposed non-native ISM
+ * devices
+ */
+
+#define SMC_MAX_HOSTNAME_LEN 32
+#define SMC_MAX_EID_LEN 32
+
extern struct proto smc_proto;
extern struct proto smc_proto6;
@@ -121,6 +132,7 @@ enum smc_urg_state {
struct smc_connection {
struct rb_node alert_node;
struct smc_link_group *lgr; /* link group of connection */
+ struct smc_link *lnk; /* assigned SMC-R link */
u32 alert_token_local; /* unique conn. id */
u8 peer_rmbe_idx; /* from tcp handshake */
int peer_rmbe_size; /* size of peer rx buffer */
@@ -142,6 +154,9 @@ struct smc_connection {
* .prod cf. TCP snd_nxt
* .cons cf. TCP sends ack
*/
+ union smc_host_cursor local_tx_ctrl_fin;
+ /* prod crsr - confirmed by peer
+ */
union smc_host_cursor tx_curs_prep; /* tx - prepared data
* snd_max..wmem_alloc
*/
@@ -153,7 +168,13 @@ struct smc_connection {
*/
atomic_t sndbuf_space; /* remaining space in sndbuf */
u16 tx_cdc_seq; /* sequence # for CDC send */
+ u16 tx_cdc_seq_fin; /* sequence # - tx completed */
spinlock_t send_lock; /* protect wr_sends */
+ atomic_t cdc_pend_tx_wr; /* number of pending tx CDC wqe
+ * - inc when post wqe,
+ * - dec on polled tx cqe
+ */
+ wait_queue_head_t cdc_pend_tx_wq; /* wakeup on no cdc_pend_tx_wr*/
struct delayed_work tx_work; /* retry of smc_cdc_msg_send */
u32 tx_off; /* base offset in peer rmb */
@@ -183,16 +204,21 @@ struct smc_connection {
spinlock_t acurs_lock; /* protect cursors */
#endif
struct work_struct close_work; /* peer sent some closing */
+ struct work_struct abort_work; /* abort the connection */
struct tasklet_struct rx_tsklet; /* Receiver tasklet for SMC-D */
u8 rx_off; /* receive offset:
* 0 for SMC-R, 32 for SMC-D
*/
u64 peer_token; /* SMC-D token of peer */
+ u8 killed : 1; /* abnormal termination */
+ u8 out_of_sync : 1; /* out of sync with peer */
};
struct smc_sock { /* smc sock container */
struct sock sk;
struct socket *clcsock; /* internal tcp socket */
+ void (*clcsk_data_ready)(struct sock *sk);
+ /* original data_ready fct. **/
struct smc_connection conn; /* smc connection */
struct smc_sock *listen_smc; /* listen parent */
struct work_struct connect_work; /* handle non-blocking connect*/
@@ -227,10 +253,16 @@ static inline struct smc_sock *smc_sk(const struct sock *sk)
return (struct smc_sock *)sk;
}
+extern struct workqueue_struct *smc_hs_wq; /* wq for handshake work */
+extern struct workqueue_struct *smc_close_wq; /* wq for close work */
+
#define SMC_SYSTEMID_LEN 8
extern u8 local_systemid[SMC_SYSTEMID_LEN]; /* unique system identifier */
+#define ntohll(x) be64_to_cpu(x)
+#define htonll(x) cpu_to_be64(x)
+
/* convert an u32 value into network byte order, store it into a 3 byte field */
static inline void hton24(u8 *net, u32 host)
{