From: Andrew Rybchenko <arybchenko@solarflare.com>
Date: Thu, 16 Nov 2017 08:04:10 +0000 (+0000)
Subject: net/sfc/base: provide simple access to RxQ state in EvQ
X-Git-Tag: spdx-start~663
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=01ef4004593c9051f729a247442de0a5386e4cbd;p=dpdk.git

net/sfc/base: provide simple access to RxQ state in EvQ

Packed stream Rx datapath requires access to packed stream state
stored in event queue. Number of credits is upstead in event handler
on a new buffer, packets parsing on 64k boundary crossing and
Rx doorbell push to give credits back.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---

diff --git a/drivers/net/sfc/base/ef10_rx.c b/drivers/net/sfc/base/ef10_rx.c
index 6a301c14f2..534a06e5b8 100644
--- a/drivers/net/sfc/base/ef10_rx.c
+++ b/drivers/net/sfc/base/ef10_rx.c
@@ -784,8 +784,7 @@ ef10_rx_qpush_ps_credits(
 {
 	efx_nic_t *enp = erp->er_enp;
 	efx_dword_t dword;
-	efx_evq_rxq_state_t *rxq_state =
-		&erp->er_eep->ee_rxq_state[erp->er_label];
+	efx_evq_rxq_state_t *rxq_state = erp->er_ev_qstate;
 	uint32_t credits;
 
 	EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
@@ -834,8 +833,7 @@ ef10_rx_qps_packet_info(
 	uint16_t buf_len;
 	uint8_t *pkt_start;
 	efx_qword_t *qwordp;
-	efx_evq_rxq_state_t *rxq_state =
-		&erp->er_eep->ee_rxq_state[erp->er_label];
+	efx_evq_rxq_state_t *rxq_state = erp->er_ev_qstate;
 
 	EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
 
@@ -994,6 +992,8 @@ ef10_rx_qcreate(
 
 	ef10_ev_rxlabel_init(eep, erp, label, type);
 
+	erp->er_ev_qstate = &erp->er_eep->ee_rxq_state[label];
+
 	return (0);
 
 fail6:
diff --git a/drivers/net/sfc/base/efx_impl.h b/drivers/net/sfc/base/efx_impl.h
index 1fd5c717be..dabb65d3f7 100644
--- a/drivers/net/sfc/base/efx_impl.h
+++ b/drivers/net/sfc/base/efx_impl.h
@@ -761,6 +761,7 @@ struct efx_rxq_s {
 	unsigned int			er_label;
 	unsigned int			er_mask;
 	efsys_mem_t			*er_esmp;
+	efx_evq_rxq_state_t		*er_ev_qstate;
 };
 
 #define	EFX_RXQ_MAGIC	0x15022005