diff mbox series

[net-next,3/7] bnxt_en: enable interrupt sampling on 5750X for DIM

Message ID 1640592032-8927-4-git-send-email-michael.chan@broadcom.com (mailing list archive)
State Superseded
Commit dc1f5d1ebc5c7f70cd352b2b71097f972b244c94
Delegated to: Netdev Maintainers
Headers show
Series bnxt_en: Update for net-next | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
netdev/cc_maintainers success CCed 3 of 3 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 1
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 32 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Michael Chan Dec. 27, 2021, 8 a.m. UTC 
From: Andy Gospodarek <gospo@broadcom.com>

5750X (P5) chips handle receiving packets on the NQ rather than the main
completion queue so we need to get and set stats from the correct spots
for dynamic interrupt moderation.

Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 53101d00768c..11df2fc05f6a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2632,6 +2632,7 @@  static int bnxt_poll_p5(struct napi_struct *napi, int budget)
 {
 	struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi);
 	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct bnxt_cp_ring_info *cpr_rx;
 	u32 raw_cons = cpr->cp_raw_cons;
 	struct bnxt *bp = bnapi->bp;
 	struct nqe_cn *nqcmp;
@@ -2659,7 +2660,7 @@  static int bnxt_poll_p5(struct napi_struct *napi, int budget)
 			if (napi_complete_done(napi, work_done))
 				BNXT_DB_NQ_ARM_P5(&cpr->cp_db,
 						  cpr->cp_raw_cons);
-			return work_done;
+			goto poll_done;
 		}
 
 		/* The valid test of the entry must be done first before
@@ -2685,6 +2686,17 @@  static int bnxt_poll_p5(struct napi_struct *napi, int budget)
 		cpr->cp_raw_cons = raw_cons;
 		BNXT_DB_NQ_P5(&cpr->cp_db, raw_cons);
 	}
+poll_done:
+	cpr_rx = cpr->cp_ring_arr[BNXT_RX_HDL];
+	if (cpr_rx && (bp->flags & BNXT_FLAG_DIM)) {
+		struct dim_sample dim_sample = {};
+
+		dim_update_sample(cpr->event_ctr,
+				  cpr_rx->rx_packets,
+				  cpr_rx->rx_bytes,
+				  &dim_sample);
+		net_dim(&cpr->dim, dim_sample);
+	}
 	return work_done;
 }