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qed: Add support of HW filter block

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This patch introduces the functionality of HW filter block.
It adds and removes filters based on source and target TCP port.

It also add functionality to clear all filters at once.

Acked-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com>
Signed-off-by: Omkar Kulkarni <okulkarni@marvell.com>
Signed-off-by: Shai Malin <smalin@marvell.com>
Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Prabhakar Kushwaha 2021-06-02 20:16:52 +03:00 • committed by David S. Miller
parent 76684ab8f4
commit 203d136e89
4 changed files with 127 additions and 0 deletions
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24
include/linux/qed/qed_nvmetcp_if.h
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@ -123,6 +123,20 @@ struct qed_nvmetcp_cb_ops {
* @param cdev
* @param handle - the connection handle.
* @return 0 on success, otherwise error value.
* @add_src_tcp_port_filter: Add source tcp port filter
* @param cdev
* @param src_port
* @remove_src_tcp_port_filter: Remove source tcp port filter
* @param cdev
* @param src_port
* @add_dst_tcp_port_filter: Add destination tcp port filter
* @param cdev
* @param dest_port
* @remove_dst_tcp_port_filter: Remove destination tcp port filter
* @param cdev
* @param dest_port
* @clear_all_filters: Clear all filters.
* @param cdev
*/
struct qed_nvmetcp_ops {
const struct qed_common_ops *common;
@ -158,6 +172,16 @@ struct qed_nvmetcp_ops {
int (*destroy_conn)(struct qed_dev *cdev, u32 handle, u8 abrt_conn);
int (*clear_sq)(struct qed_dev *cdev, u32 handle);
int (*add_src_tcp_port_filter)(struct qed_dev *cdev, u16 src_port);
void (*remove_src_tcp_port_filter)(struct qed_dev *cdev, u16 src_port);
int (*add_dst_tcp_port_filter)(struct qed_dev *cdev, u16 dest_port);
void (*remove_dst_tcp_port_filter)(struct qed_dev *cdev, u16 dest_port);
void (*clear_all_filters)(struct qed_dev *cdev);
};
const struct qed_nvmetcp_ops *qed_get_nvmetcp_ops(void);