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Date: Mon, 5 Feb 2024 19:38:01 -0800
From: Alan Brady <alan.brady@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
willemdebruijn.kernel@...il.com,
przemyslaw.kitszel@...el.com,
igor.bagnucki@...el.com,
aleksander.lobakin@...el.com,
Alan Brady <alan.brady@...el.com>
Subject: [PATCH v4 07/10 iwl-next] idpf: cleanup virtchnl cruft
We can now remove a bunch of gross code we don't need anymore like the
vc state bits and vc_buf_lock since everything is using transaction API
now.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Reviewed-by: Igor Bagnucki <igor.bagnucki@...el.com>
Signed-off-by: Alan Brady <alan.brady@...el.com>
---
drivers/net/ethernet/intel/idpf/idpf.h | 86 -------------------
drivers/net/ethernet/intel/idpf/idpf_lib.c | 25 +-----
drivers/net/ethernet/intel/idpf/idpf_main.c | 2 -
.../net/ethernet/intel/idpf/idpf_virtchnl.c | 13 ---
4 files changed, 2 insertions(+), 124 deletions(-)
diff --git a/drivers/net/ethernet/intel/idpf/idpf.h b/drivers/net/ethernet/intel/idpf/idpf.h
index 2d5449b9288a..0793173bb36d 100644
--- a/drivers/net/ethernet/intel/idpf/idpf.h
+++ b/drivers/net/ethernet/intel/idpf/idpf.h
@@ -37,8 +37,6 @@ struct idpf_vport_max_q;
#define IDPF_MB_MAX_ERR 20
#define IDPF_NUM_CHUNKS_PER_MSG(struct_sz, chunk_sz) \
((IDPF_CTLQ_MAX_BUF_LEN - (struct_sz)) / (chunk_sz))
-#define IDPF_WAIT_FOR_EVENT_TIMEO_MIN 2000
-#define IDPF_WAIT_FOR_EVENT_TIMEO 60000
#define IDPF_VC_XN_MIN_TIMEOUT_MSEC 2000
#define IDPF_VC_XN_DEFAULT_TIMEOUT_MSEC (60 * 1000)
#define IDPF_VC_XN_IDX_M GENMASK(7, 0)
@@ -212,71 +210,6 @@ struct idpf_dev_ops {
struct idpf_reg_ops reg_ops;
};
-/* These macros allow us to generate an enum and a matching char * array of
- * stringified enums that are always in sync. Checkpatch issues a bogus warning
- * about this being a complex macro; but it's wrong, these are never used as a
- * statement and instead only used to define the enum and array.
- */
-#define IDPF_FOREACH_VPORT_VC_STATE(STATE) \
- STATE(IDPF_VC_CREATE_VPORT) \
- STATE(IDPF_VC_CREATE_VPORT_ERR) \
- STATE(IDPF_VC_ENA_VPORT) \
- STATE(IDPF_VC_ENA_VPORT_ERR) \
- STATE(IDPF_VC_DIS_VPORT) \
- STATE(IDPF_VC_DIS_VPORT_ERR) \
- STATE(IDPF_VC_DESTROY_VPORT) \
- STATE(IDPF_VC_DESTROY_VPORT_ERR) \
- STATE(IDPF_VC_CONFIG_TXQ) \
- STATE(IDPF_VC_CONFIG_TXQ_ERR) \
- STATE(IDPF_VC_CONFIG_RXQ) \
- STATE(IDPF_VC_CONFIG_RXQ_ERR) \
- STATE(IDPF_VC_ENA_QUEUES) \
- STATE(IDPF_VC_ENA_QUEUES_ERR) \
- STATE(IDPF_VC_DIS_QUEUES) \
- STATE(IDPF_VC_DIS_QUEUES_ERR) \
- STATE(IDPF_VC_MAP_IRQ) \
- STATE(IDPF_VC_MAP_IRQ_ERR) \
- STATE(IDPF_VC_UNMAP_IRQ) \
- STATE(IDPF_VC_UNMAP_IRQ_ERR) \
- STATE(IDPF_VC_ADD_QUEUES) \
- STATE(IDPF_VC_ADD_QUEUES_ERR) \
- STATE(IDPF_VC_DEL_QUEUES) \
- STATE(IDPF_VC_DEL_QUEUES_ERR) \
- STATE(IDPF_VC_ALLOC_VECTORS) \
- STATE(IDPF_VC_ALLOC_VECTORS_ERR) \
- STATE(IDPF_VC_DEALLOC_VECTORS) \
- STATE(IDPF_VC_DEALLOC_VECTORS_ERR) \
- STATE(IDPF_VC_SET_SRIOV_VFS) \
- STATE(IDPF_VC_SET_SRIOV_VFS_ERR) \
- STATE(IDPF_VC_GET_RSS_LUT) \
- STATE(IDPF_VC_GET_RSS_LUT_ERR) \
- STATE(IDPF_VC_SET_RSS_LUT) \
- STATE(IDPF_VC_SET_RSS_LUT_ERR) \
- STATE(IDPF_VC_GET_RSS_KEY) \
- STATE(IDPF_VC_GET_RSS_KEY_ERR) \
- STATE(IDPF_VC_SET_RSS_KEY) \
- STATE(IDPF_VC_SET_RSS_KEY_ERR) \
- STATE(IDPF_VC_GET_STATS) \
- STATE(IDPF_VC_GET_STATS_ERR) \
- STATE(IDPF_VC_ADD_MAC_ADDR) \
- STATE(IDPF_VC_ADD_MAC_ADDR_ERR) \
- STATE(IDPF_VC_DEL_MAC_ADDR) \
- STATE(IDPF_VC_DEL_MAC_ADDR_ERR) \
- STATE(IDPF_VC_GET_PTYPE_INFO) \
- STATE(IDPF_VC_GET_PTYPE_INFO_ERR) \
- STATE(IDPF_VC_LOOPBACK_STATE) \
- STATE(IDPF_VC_LOOPBACK_STATE_ERR) \
- STATE(IDPF_VC_NBITS)
-
-#define IDPF_GEN_ENUM(ENUM) ENUM,
-#define IDPF_GEN_STRING(STRING) #STRING,
-
-enum idpf_vport_vc_state {
- IDPF_FOREACH_VPORT_VC_STATE(IDPF_GEN_ENUM)
-};
-
-extern const char * const idpf_vport_vc_state_str[];
-
/**
* enum idpf_vport_reset_cause - Vport soft reset causes
* @IDPF_SR_Q_CHANGE: Soft reset queue change
@@ -451,11 +384,7 @@ struct idpf_vc_xn_manager {
* @port_stats: per port csum, header split, and other offload stats
* @link_up: True if link is up
* @link_speed_mbps: Link speed in mbps
- * @vc_msg: Virtchnl message buffer
- * @vc_state: Virtchnl message state
- * @vchnl_wq: Wait queue for virtchnl messages
* @sw_marker_wq: workqueue for marker packets
- * @vc_buf_lock: Lock to protect virtchnl buffer
*/
struct idpf_vport {
u16 num_txq;
@@ -501,12 +430,7 @@ struct idpf_vport {
bool link_up;
u32 link_speed_mbps;
- char vc_msg[IDPF_CTLQ_MAX_BUF_LEN];
- DECLARE_BITMAP(vc_state, IDPF_VC_NBITS);
-
- wait_queue_head_t vchnl_wq;
wait_queue_head_t sw_marker_wq;
- struct mutex vc_buf_lock;
};
/**
@@ -569,15 +493,11 @@ struct idpf_vport_user_config_data {
* enum idpf_vport_config_flags - Vport config flags
* @IDPF_VPORT_REG_NETDEV: Register netdev
* @IDPF_VPORT_UP_REQUESTED: Set if interface up is requested on core reset
- * @IDPF_VPORT_ADD_MAC_REQ: Asynchronous add ether address in flight
- * @IDPF_VPORT_DEL_MAC_REQ: Asynchronous delete ether address in flight
* @IDPF_VPORT_CONFIG_FLAGS_NBITS: Must be last
*/
enum idpf_vport_config_flags {
IDPF_VPORT_REG_NETDEV,
IDPF_VPORT_UP_REQUESTED,
- IDPF_VPORT_ADD_MAC_REQ,
- IDPF_VPORT_DEL_MAC_REQ,
IDPF_VPORT_CONFIG_FLAGS_NBITS,
};
@@ -694,9 +614,6 @@ struct idpf_vport_config {
* @stats_task: Periodic statistics retrieval task
* @stats_wq: Workqueue for statistics task
* @caps: Negotiated capabilities with device
- * @vchnl_wq: Wait queue for virtchnl messages
- * @vc_state: Virtchnl message state
- * @vc_msg: Virtchnl message buffer
* @vcxn_mngr: Virtchnl transaction manager
* @dev_ops: See idpf_dev_ops
* @num_vfs: Number of allocated VFs through sysfs. PF does not directly talk
@@ -754,9 +671,6 @@ struct idpf_adapter {
struct workqueue_struct *stats_wq;
struct virtchnl2_get_capabilities caps;
- wait_queue_head_t vchnl_wq;
- DECLARE_BITMAP(vc_state, IDPF_VC_NBITS);
- char vc_msg[IDPF_CTLQ_MAX_BUF_LEN];
struct idpf_vc_xn_manager vcxn_mngr;
struct idpf_dev_ops dev_ops;
int num_vfs;
diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c
index 8135a6b4a71e..1aae6963628b 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_lib.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c
@@ -6,10 +6,6 @@
static const struct net_device_ops idpf_netdev_ops_splitq;
static const struct net_device_ops idpf_netdev_ops_singleq;
-const char * const idpf_vport_vc_state_str[] = {
- IDPF_FOREACH_VPORT_VC_STATE(IDPF_GEN_STRING)
-};
-
/**
* idpf_init_vector_stack - Fill the MSIX vector stack with vector index
* @adapter: private data struct
@@ -975,7 +971,6 @@ static void idpf_vport_rel(struct idpf_vport *vport)
struct idpf_rss_data *rss_data;
struct idpf_vport_max_q max_q;
u16 idx = vport->idx;
- int i;
vport_config = adapter->vport_config[vport->idx];
idpf_deinit_rss(vport);
@@ -985,20 +980,6 @@ static void idpf_vport_rel(struct idpf_vport *vport)
idpf_send_destroy_vport_msg(vport);
- /* Set all bits as we dont know on which vc_state the vport vhnl_wq
- * is waiting on and wakeup the virtchnl workqueue even if it is
- * waiting for the response as we are going down
- */
- for (i = 0; i < IDPF_VC_NBITS; i++)
- set_bit(i, vport->vc_state);
- wake_up(&vport->vchnl_wq);
-
- mutex_destroy(&vport->vc_buf_lock);
-
- /* Clear all the bits */
- for (i = 0; i < IDPF_VC_NBITS; i++)
- clear_bit(i, vport->vc_state);
-
/* Release all max queues allocated to the adapter's pool */
max_q.max_rxq = vport_config->max_q.max_rxq;
max_q.max_txq = vport_config->max_q.max_txq;
@@ -1543,9 +1524,7 @@ void idpf_init_task(struct work_struct *work)
vport_config = adapter->vport_config[index];
init_waitqueue_head(&vport->sw_marker_wq);
- init_waitqueue_head(&vport->vchnl_wq);
- mutex_init(&vport->vc_buf_lock);
spin_lock_init(&vport_config->mac_filter_list_lock);
INIT_LIST_HEAD(&vport_config->user_config.mac_filter_list);
@@ -1904,7 +1883,7 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
* mess with. Nothing below should use those variables from new_vport
* and should instead always refer to them in vport if they need to.
*/
- memcpy(new_vport, vport, offsetof(struct idpf_vport, vc_state));
+ memcpy(new_vport, vport, offsetof(struct idpf_vport, link_speed_mbps));
/* Adjust resource parameters prior to reallocating resources */
switch (reset_cause) {
@@ -1953,7 +1932,7 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
/* Same comment as above regarding avoiding copying the wait_queues and
* mutexes applies here. We do not want to mess with those if possible.
*/
- memcpy(vport, new_vport, offsetof(struct idpf_vport, vc_state));
+ memcpy(vport, new_vport, offsetof(struct idpf_vport, link_speed_mbps));
/* Since idpf_vport_queues_alloc was called with new_port, the queue
* back pointers are currently pointing to the local new_vport. Reset
diff --git a/drivers/net/ethernet/intel/idpf/idpf_main.c b/drivers/net/ethernet/intel/idpf/idpf_main.c
index c82233b112bd..c6d7bec95d69 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_main.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_main.c
@@ -230,8 +230,6 @@ static int idpf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
mutex_init(&adapter->queue_lock);
mutex_init(&adapter->vc_buf_lock);
- init_waitqueue_head(&adapter->vchnl_wq);
-
INIT_DELAYED_WORK(&adapter->init_task, idpf_init_task);
INIT_DELAYED_WORK(&adapter->serv_task, idpf_service_task);
INIT_DELAYED_WORK(&adapter->mbx_task, idpf_mbx_task);
diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
index 5a68a3908cf0..f6e6e3eff29e 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
@@ -2929,28 +2929,15 @@ int idpf_vc_core_init(struct idpf_adapter *adapter)
*/
void idpf_vc_core_deinit(struct idpf_adapter *adapter)
{
- int i;
-
idpf_vc_xn_shutdown(&adapter->vcxn_mngr);
idpf_deinit_task(adapter);
idpf_intr_rel(adapter);
- /* Set all bits as we dont know on which vc_state the vhnl_wq is
- * waiting on and wakeup the virtchnl workqueue even if it is waiting
- * for the response as we are going down
- */
- for (i = 0; i < IDPF_VC_NBITS; i++)
- set_bit(i, adapter->vc_state);
- wake_up(&adapter->vchnl_wq);
cancel_delayed_work_sync(&adapter->serv_task);
cancel_delayed_work_sync(&adapter->mbx_task);
idpf_vport_params_buf_rel(adapter);
- /* Clear all the bits */
- for (i = 0; i < IDPF_VC_NBITS; i++)
- clear_bit(i, adapter->vc_state);
-
kfree(adapter->vports);
adapter->vports = NULL;
}
--
2.40.1
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