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authorAndy Gospodarek <gospo@broadcom.com>2021-12-27 03:00:28 -0500
committerDavid S. Miller <davem@davemloft.net>2021-12-27 12:00:28 +0000
commitdc1f5d1ebc5c7f70cd352b2b71097f972b244c94 (patch)
tree40e535a8536cef217421d2d27d9a7cd920ef24fe /drivers/net/ethernet/broadcom/bnxt/bnxt.c
parentbnxt_en: Log error report for dropped doorbell (diff)
downloadlinux-dev-dc1f5d1ebc5c7f70cd352b2b71097f972b244c94.tar.xz
linux-dev-dc1f5d1ebc5c7f70cd352b2b71097f972b244c94.zip
bnxt_en: enable interrupt sampling on 5750X for DIM
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c14
1 files changed, 13 insertions, 1 deletions
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;
}