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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>
This commit is contained in:
Lorenzo Bianconi 2020-02-16 22:07:33 +01:00 committed by David S. Miller
parent 3d866523d5
commit 6c8a8cfd45
1 changed files with 13 additions and 17 deletions
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30
drivers/net/ethernet/marvell/mvneta.c
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@ -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)