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qed: Add srq core support for RoCE and iWARP

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This patch adds support for configuring SRQ and provides the necessary
APIs for rdma upper layer driver (qedr) to enable the SRQ feature.

Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: Yuval Bason <yuval.bason@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Bason 2018-06-03 19:13:07 +03:00 • committed by David S. Miller
parent 7a9ee41b83
commit 39dbc646fd
9 changed files with 234 additions and 8 deletions
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12
include/linux/qed/qed_rdma_if.h
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@ -485,7 +485,9 @@ enum qed_iwarp_event_type {
QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
QED_IWARP_EVENT_LOCAL_ACCESS_ERROR,
QED_IWARP_EVENT_REMOTE_OPERATION_ERROR,
QED_IWARP_EVENT_TERMINATE_RECEIVED
QED_IWARP_EVENT_TERMINATE_RECEIVED,
QED_IWARP_EVENT_SRQ_LIMIT,
QED_IWARP_EVENT_SRQ_EMPTY,
};
enum qed_tcp_ip_version {
@ -646,6 +648,14 @@ struct qed_rdma_ops {
int (*rdma_alloc_tid)(void *rdma_cxt, u32 *itid);
void (*rdma_free_tid)(void *rdma_cxt, u32 itid);
int (*rdma_create_srq)(void *rdma_cxt,
struct qed_rdma_create_srq_in_params *iparams,
struct qed_rdma_create_srq_out_params *oparams);
int (*rdma_destroy_srq)(void *rdma_cxt,
struct qed_rdma_destroy_srq_in_params *iparams);
int (*rdma_modify_srq)(void *rdma_cxt,
struct qed_rdma_modify_srq_in_params *iparams);
int (*ll2_acquire_connection)(void *rdma_cxt,
struct qed_ll2_acquire_data *data);