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nvethernet: Add IVC handling for Common interrupts

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When ethernet virtualization exists the common interrupts
are served from ethernet server and server sends ivc messages
to host drivers to handle common interrupts.

Bug 2694285

Change-Id: I0af0c7f97b3f2d34f4adb72c114c3cfca6a623fc

Signed-off-by: Nagaraj Annaiah <nannaiah@nvidia.com>
Change-Id: I8bb71c3704308f26ae97141ba1e8354da31fd70f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2317274
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
nannaiah
2020-03-18 12:14:21 -07:00
committed by Revanth Kumar Uppala
parent 69cf090fde
commit 4862fe2d5b
2 changed files with 149 additions and 0 deletions
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13
drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
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@@ -40,6 +40,7 @@
#include <linux/of.h>
#include <linux/ktime.h>
#include <linux/hrtimer.h>
#include <linux/tegra-ivc.h>
#include <osi_core.h>
#include <osi_dma.h>
@@ -121,6 +122,12 @@
*/
#define ETHER_TX_MAX_FRAME_SIZE GSO_MAX_SIZE
/**
* @brief Ethernet Maximum IVC BUF
*/
#define ETHER_MAX_IVC_BUF 128
/**
* @brief Check if Tx data buffer length is within bounds.
*
@@ -333,6 +340,12 @@ struct ether_priv_data {
unsigned int tx_lpi_enabled;
/** Time (usec) MAC waits to enter LPI after Tx complete */
unsigned int tx_lpi_timer;
/** ivc cookie */
struct tegra_hv_ivc_cookie *ivck;
/** Buffer to receive pad ivc message */
char ivc_rx[ETHER_MAX_IVC_BUF];
/** ivc work */
struct work_struct ivc_work;
};
/**