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nvmf/tcp: remove the timeout handling code

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Currently, the code does not comply with the spec,
so remove such code for 19.01 and will add the code
which complies with the spec for 19.04

Change-Id: Icd3b2573fbc46dc2fa7a00c6672c23ea01ffe0ee
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/c/441985
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This commit is contained in:
Ziye Yang 2019-01-25 15:30:14 +08:00 committed by Ben Walker
parent 9cddfc0bbf
commit 81faea1b2d
1 changed files with 0 additions and 54 deletions
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54
lib/nvmf/tcp.c
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@ -249,12 +249,6 @@ struct nvme_tcp_qpair {
/** Specifies the maximum number of PDU-Data bytes per H2C Data Transfer PDU */
uint32_t maxh2cdata;
/* Timer used to destroy qpair after detecting transport error issue if initiator does
* not close the connection.
*/
uint64_t last_pdu_time;
int timeout;
/* Mgmt channel */
struct spdk_io_channel *mgmt_channel;
struct spdk_nvmf_tcp_mgmt_channel *ch;
@ -275,7 +269,6 @@ struct nvme_tcp_qpair {
struct spdk_nvmf_tcp_poll_group {
struct spdk_nvmf_transport_poll_group group;
struct spdk_sock_group *sock_group;
struct spdk_poller *timeout_poller;
TAILQ_HEAD(, nvme_tcp_qpair) qpairs;
};
@ -1231,47 +1224,6 @@ spdk_nvmf_tcp_discover(struct spdk_nvmf_transport *transport,
entry->tsas.tcp.sectype = SPDK_NVME_TCP_SECURITY_NONE;
}
static void
spdk_nvmf_tcp_qpair_handle_timeout(struct nvme_tcp_qpair *tqpair, uint64_t tsc)
{
if ((tqpair->state == NVME_TCP_QPAIR_STATE_EXITING) ||
(tqpair->state == NVME_TCP_QPAIR_STATE_EXITED)) {
return;
}
/* Currently, we did not have keep alive support, so make sure that we should have the generic support later */
if ((tqpair->recv_state == NVME_TCP_PDU_RECV_STATE_ERROR) ||
(tqpair->recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY)) {
return;
}
/* Check for interval expiration */
if ((tsc - tqpair->last_pdu_time) > (tqpair->timeout * spdk_get_ticks_hz())) {
SPDK_ERRLOG("No pdu coming for tqpair=%p within %d seconds\n", tqpair, tqpair->timeout);
tqpair->state = NVME_TCP_QPAIR_STATE_EXITING;
}
}
static int
spdk_nvmf_tcp_poll_group_handle_timeout(void *ctx)
{
struct spdk_nvmf_tcp_poll_group *tgroup = ctx;
struct nvme_tcp_qpair *tqpair, *tmp;
uint64_t tsc = spdk_get_ticks();
TAILQ_FOREACH_SAFE(tqpair, &tgroup->qpairs, link, tmp) {
spdk_nvmf_tcp_qpair_handle_timeout(tqpair, tsc);
if (tqpair->state == NVME_TCP_QPAIR_STATE_EXITING) {
/* to prevent the state is set again */
tqpair->state = NVME_TCP_QPAIR_STATE_EXITED;
SPDK_DEBUGLOG(SPDK_LOG_NVMF_TCP, "will disconect the tqpair=%p\n", tqpair);
spdk_nvmf_qpair_disconnect(&tqpair->qpair, NULL, NULL);
}
}
return -1;
}
static struct spdk_nvmf_transport_poll_group *
spdk_nvmf_tcp_poll_group_create(struct spdk_nvmf_transport *transport)
{
@ -1289,8 +1241,6 @@ spdk_nvmf_tcp_poll_group_create(struct spdk_nvmf_transport *transport)
TAILQ_INIT(&tgroup->qpairs);
tgroup->timeout_poller = spdk_poller_register(spdk_nvmf_tcp_poll_group_handle_timeout, tgroup,
1000000);
return &tgroup->group;
cleanup:
@ -1305,7 +1255,6 @@ spdk_nvmf_tcp_poll_group_destroy(struct spdk_nvmf_transport_poll_group *group)
tgroup = SPDK_CONTAINEROF(group, struct spdk_nvmf_tcp_poll_group, group);
spdk_sock_group_close(&tgroup->sock_group);
spdk_poller_unregister(&tgroup->timeout_poller);
free(tgroup);
}
@ -1995,7 +1944,6 @@ spdk_nvmf_tcp_sock_process(struct nvme_tcp_qpair *tqpair)
}
}
tqpair->last_pdu_time = spdk_get_ticks();
/* The command header of this PDU has now been read from the socket. */
spdk_nvmf_tcp_pdu_ch_handle(tqpair);
break;
@ -2729,8 +2677,6 @@ spdk_nvmf_tcp_poll_group_add(struct spdk_nvmf_transport_poll_group *group,
tqpair->ch->tgroup = tgroup;
tqpair->state = NVME_TCP_QPAIR_STATE_INVALID;
tqpair->timeout = SPDK_NVME_TCP_QPAIR_EXIT_TIMEOUT;
tqpair->last_pdu_time = spdk_get_ticks();
TAILQ_INSERT_TAIL(&tgroup->qpairs, tqpair, link);
return 0;