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nvethernet: Add IVC support atomic

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Issue: completion_timeout doesn't support atomic.

Fix: Remove mutex and wait event and change to poll_timeout.

Bug 3733795

Change-Id: Ieb26623ae6191d442bb2f7e2b8c6925660882cfe
Signed-off-by: Nagaraj Annaiah <nannaiah@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2759245
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Mohan Thadikamalla <mohant@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Nagaraj Annaiah
2022-08-10 20:21:47 +00:00
committed by Revanth Kumar Uppala
parent 1cb18af637
commit 1ffcf6d286
3 changed files with 32 additions and 137 deletions
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26
drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
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@@ -206,21 +206,9 @@
#define ETHER_TX_MAX_FRAME_SIZE GSO_MAX_SIZE
/**
* @brief IVC wait timeout.
* @brief IVC wait timeout cnt in micro seconds.
*/
#define IVC_WAIT_TIMEOUT (msecs_to_jiffies(100))
/**
* @brief IVC read timeout cnt.
* used as 20*IVC_WAIT_TIMEOUT hence Max is 2 sec timeout.
*/
#define IVC_READ_TIMEOUT_CNT 20
/**
* @brief IVC channel timeout.
* Used with 1 millisec so max timeout is 50 ms.
*/
#define IVC_CHANNEL_TIMEOUT_CNT 50
#define IVC_WAIT_TIMEOUT_CNT 200000
/**
* @brief Broadcast and MAC address macros
@@ -357,11 +345,7 @@ struct ether_ivc_ctxt {
/** ivc cookie */
struct tegra_hv_ivc_cookie *ivck;
/** ivc lock */
struct mutex ivck_lock;
/** ivc work */
struct work_struct ivc_work;
/** wait for event */
struct completion msg_complete;
raw_spinlock_t ivck_lock;
/** Flag to indicate ivc started or stopped */
unsigned int ivc_state;
};
@@ -525,10 +509,6 @@ struct ether_priv_data {
unsigned int promisc_mode;
/** Delayed work queue to read RMON counters periodically */
struct delayed_work ether_stats_work;
/** process rx work */
struct work_struct set_rx_mode_work;
/** rx lock */
struct mutex rx_mode_lock;
/** set speed work */
struct delayed_work set_speed_work;
/** Flag to check if EEE LPI is enabled for the MAC */