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qed: aRFS infrastructure support

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This patch adds necessary APIs to interface with
qede aRFS support in successive patch.

It also reserves separate PTT entry for aRFS,
[as being in fastpath flow] for hardware access instead of
trying to acquire it at run time from the ptt pool.

Signed-off-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chopra, Manish 2017-04-13 04:54:44 -07:00 • committed by David S. Miller
parent 53a759c89b
commit d51e4af5c2
11 changed files with 519 additions and 3 deletions
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8
include/linux/qed/qed_eth_if.h
View file

@ -301,6 +301,14 @@ struct qed_eth_ops {
int (*tunn_config)(struct qed_dev *cdev,
struct qed_tunn_params *params);
int (*ntuple_filter_config)(struct qed_dev *cdev, void *cookie,
dma_addr_t mapping, u16 length,
u16 vport_id, u16 rx_queue_id,
bool add_filter);
int (*configure_arfs_searcher)(struct qed_dev *cdev,
bool en_searcher);
};
const struct qed_eth_ops *qed_get_eth_ops(void);

7
include/linux/qed/qed_if.h
View file

@ -178,6 +178,12 @@ struct qed_eth_pf_params {
* to update_pf_params routine invoked before slowpath start
*/
u16 num_cons;
/* To enable arfs, previous to HW-init a positive number needs to be
* set [as filters require allocated searcher ILT memory].
* This will set the maximal number of configured steering-filters.
*/
u32 num_arfs_filters;
};
struct qed_fcoe_pf_params {
@ -427,6 +433,7 @@ struct qed_int_info {
};
struct qed_common_cb_ops {
void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc);
void (*link_update)(void *dev,
struct qed_link_output *link);
void (*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type);