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authorLorenzo Bianconi <lorenzo@kernel.org>2020-02-17 00:07:33 +0300
committerDavid S. Miller <davem@davemloft.net>2020-02-17 07:04:42 +0300
commit6c8a8cfd45af0d8f900dcf6bd939519eb3447923 (patch)
tree6410dba815b625cfb519d49d5ea48a9f53ce83e6 /drivers
parent3d866523d59c48c818d05bfa3b31392d7fbab4d8 (diff)
downloadlinux-6c8a8cfd45af0d8f900dcf6bd939519eb3447923.tar.xz
net: mvneta: get rid of xdp_ret in mvneta_swbm_rx_frame
Get rid of xdp_ret in mvneta_swbm_rx_frame routine since now we can rely on xdp_stats to flush in case of xdp_redirect Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index e4eb2bd097d4..b7045b6a15c2 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -358,10 +358,10 @@ struct mvneta_statistic {
#define T_REG_64 64
#define T_SW 1
-#define MVNETA_XDP_PASS BIT(0)
-#define MVNETA_XDP_DROPPED BIT(1)
-#define MVNETA_XDP_TX BIT(2)
-#define MVNETA_XDP_REDIR BIT(3)
+#define MVNETA_XDP_PASS 0
+#define MVNETA_XDP_DROPPED BIT(0)
+#define MVNETA_XDP_TX BIT(1)
+#define MVNETA_XDP_REDIR BIT(2)
static const struct mvneta_statistic mvneta_statistics[] = {
{ 0x3000, T_REG_64, "good_octets_received", },
@@ -2183,13 +2183,14 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp,
struct mvneta_rx_queue *rxq,
struct xdp_buff *xdp,
struct bpf_prog *xdp_prog,
- struct page *page, u32 *xdp_ret,
+ struct page *page,
struct mvneta_stats *stats)
{
unsigned char *data = page_address(page);
int data_len = -MVNETA_MH_SIZE, len;
struct net_device *dev = pp->dev;
enum dma_data_direction dma_dir;
+ int ret = 0;
if (MVNETA_SKB_SIZE(rx_desc->data_size) > PAGE_SIZE) {
len = MVNETA_MAX_RX_BUF_SIZE;
@@ -2213,14 +2214,9 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp,
xdp_set_data_meta_invalid(xdp);
if (xdp_prog) {
- u32 ret;
-
ret = mvneta_run_xdp(pp, rxq, xdp_prog, xdp, stats);
- if (ret != MVNETA_XDP_PASS) {
- rx_desc->buf_phys_addr = 0;
- *xdp_ret |= ret;
- return ret;
- }
+ if (ret)
+ goto out;
}
rxq->skb = build_skb(xdp->data_hard_start, PAGE_SIZE);
@@ -2244,9 +2240,11 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp,
mvneta_rx_csum(pp, rx_desc->status, rxq->skb);
rxq->left_size = rx_desc->data_size - len;
+
+out:
rx_desc->buf_phys_addr = 0;
- return 0;
+ return ret;
}
static void
@@ -2292,7 +2290,6 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
struct mvneta_stats ps = {};
struct bpf_prog *xdp_prog;
struct xdp_buff xdp_buf;
- u32 xdp_ret = 0;
/* Get number of received packets */
rx_todo = mvneta_rxq_busy_desc_num_get(pp, rxq);
@@ -2325,8 +2322,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
}
err = mvneta_swbm_rx_frame(pp, rx_desc, rxq, &xdp_buf,
- xdp_prog, page, &xdp_ret,
- &ps);
+ xdp_prog, page, &ps);
if (err)
continue;
} else {
@@ -2364,7 +2360,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
}
rcu_read_unlock();
- if (xdp_ret & MVNETA_XDP_REDIR)
+ if (ps.xdp_redirect)
xdp_do_flush_map();
if (ps.rx_packets)