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authorMichal Kalderon <michal.kalderon@marvell.com>2019-05-26 15:22:27 +0300
committerDavid S. Miller <davem@davemloft.net>2019-05-26 13:04:12 -0700
commit3576e99e08217f291290ac62431c7e330ac111c4 (patch)
treeebaaaf7293c12fe2584f7e437b010072273f9595 /drivers/net/ethernet/qlogic
parent24e04879abdd7afb73a64a6dd64d7b51d924d0e3 (diff)
qed*: Add iWARP 100g support
Add iWARP engine affinity setting for supporting iWARP over 100g. iWARP cannot be distinguished by the LLH from L2, hence the engine division will affect L2 as well. For this reason we add a parameter to devlink to determine the engine division. Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_rdma.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index e4d63359864e..f900fde448db 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -1916,6 +1916,36 @@ static int qed_roce_ll2_set_mac_filter(struct qed_dev *cdev,
return rc;
}
+static int qed_iwarp_set_engine_affin(struct qed_dev *cdev, bool b_reset)
+{
+ enum qed_eng eng;
+ u8 ppfid = 0;
+ int rc;
+
+ /* Make sure iwarp cmt mode is enabled before setting affinity */
+ if (!cdev->iwarp_cmt)
+ return -EINVAL;
+
+ if (b_reset)
+ eng = QED_BOTH_ENG;
+ else
+ eng = cdev->l2_affin_hint ? QED_ENG1 : QED_ENG0;
+
+ rc = qed_llh_set_ppfid_affinity(cdev, ppfid, eng);
+ if (rc) {
+ DP_NOTICE(cdev,
+ "Failed to set the engine affinity of ppfid %d\n",
+ ppfid);
+ return rc;
+ }
+
+ DP_VERBOSE(cdev, (QED_MSG_RDMA | QED_MSG_SP),
+ "LLH: Set the engine affinity of non-RoCE packets as %d\n",
+ eng);
+
+ return 0;
+}
+
static const struct qed_rdma_ops qed_rdma_ops_pass = {
.common = &qed_common_ops_pass,
.fill_dev_info = &qed_fill_rdma_dev_info,
@@ -1955,6 +1985,7 @@ static const struct qed_rdma_ops qed_rdma_ops_pass = {
.ll2_set_fragment_of_tx_packet = &qed_ll2_set_fragment_of_tx_packet,
.ll2_set_mac_filter = &qed_roce_ll2_set_mac_filter,
.ll2_get_stats = &qed_ll2_get_stats,
+ .iwarp_set_engine_affin = &qed_iwarp_set_engine_affin,
.iwarp_connect = &qed_iwarp_connect,
.iwarp_create_listen = &qed_iwarp_create_listen,
.iwarp_destroy_listen = &qed_iwarp_destroy_listen,