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authorNeel Patel <neel@pensando.io>2022-10-26 17:37:44 +0300
committerJakub Kicinski <kuba@kernel.org>2022-10-28 06:34:14 +0300
commite55f0f5befc26e2ba6bb8c1f945ea8e37ee0e334 (patch)
treebff375b309a487c321e45946b3b9c335a3422922 /drivers/net
parentcad478c7c3321b03f6f1d07772afad468e698fc2 (diff)
downloadlinux-e55f0f5befc26e2ba6bb8c1f945ea8e37ee0e334.tar.xz
ionic: refactor use of ionic_rx_fill()
The same pre-work code is used before each call to ionic_rx_fill(), so bring it in and make it a part of the routine. Signed-off-by: Neel Patel <neel@pensando.io> Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_txrx.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index 190681aa7187..0c3977416cd1 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -348,16 +348,25 @@ void ionic_rx_fill(struct ionic_queue *q)
struct ionic_rxq_sg_desc *sg_desc;
struct ionic_rxq_sg_elem *sg_elem;
struct ionic_buf_info *buf_info;
+ unsigned int fill_threshold;
struct ionic_rxq_desc *desc;
unsigned int remain_len;
unsigned int frag_len;
unsigned int nfrags;
+ unsigned int n_fill;
unsigned int i, j;
unsigned int len;
+ n_fill = ionic_q_space_avail(q);
+
+ fill_threshold = min_t(unsigned int, IONIC_RX_FILL_THRESHOLD,
+ q->num_descs / IONIC_RX_FILL_DIV);
+ if (n_fill < fill_threshold)
+ return;
+
len = netdev->mtu + ETH_HLEN + VLAN_HLEN;
- for (i = ionic_q_space_avail(q); i; i--) {
+ for (i = n_fill; i; i--) {
nfrags = 0;
remain_len = len;
desc_info = &q->info[q->head_idx];
@@ -511,7 +520,6 @@ int ionic_rx_napi(struct napi_struct *napi, int budget)
struct ionic_cq *cq = napi_to_cq(napi);
struct ionic_dev *idev;
struct ionic_lif *lif;
- u16 rx_fill_threshold;
u32 work_done = 0;
u32 flags = 0;
@@ -521,10 +529,7 @@ int ionic_rx_napi(struct napi_struct *napi, int budget)
work_done = ionic_cq_service(cq, budget,
ionic_rx_service, NULL, NULL);
- rx_fill_threshold = min_t(u16, IONIC_RX_FILL_THRESHOLD,
- cq->num_descs / IONIC_RX_FILL_DIV);
- if (work_done && ionic_q_space_avail(cq->bound_q) >= rx_fill_threshold)
- ionic_rx_fill(cq->bound_q);
+ ionic_rx_fill(cq->bound_q);
if (work_done < budget && napi_complete_done(napi, work_done)) {
ionic_dim_update(qcq, IONIC_LIF_F_RX_DIM_INTR);
@@ -550,7 +555,6 @@ int ionic_txrx_napi(struct napi_struct *napi, int budget)
struct ionic_dev *idev;
struct ionic_lif *lif;
struct ionic_cq *txcq;
- u16 rx_fill_threshold;
u32 rx_work_done = 0;
u32 tx_work_done = 0;
u32 flags = 0;
@@ -565,10 +569,7 @@ int ionic_txrx_napi(struct napi_struct *napi, int budget)
rx_work_done = ionic_cq_service(rxcq, budget,
ionic_rx_service, NULL, NULL);
- rx_fill_threshold = min_t(u16, IONIC_RX_FILL_THRESHOLD,
- rxcq->num_descs / IONIC_RX_FILL_DIV);
- if (rx_work_done && ionic_q_space_avail(rxcq->bound_q) >= rx_fill_threshold)
- ionic_rx_fill(rxcq->bound_q);
+ ionic_rx_fill(rxcq->bound_q);
if (rx_work_done < budget && napi_complete_done(napi, rx_work_done)) {
ionic_dim_update(qcq, 0);