Merge branch 'bpf-remove-xdp_do_flush_map'

Sebastian Andrzej Siewior says:

====================
bpf: Remove xdp_do_flush_map().

I had #1 split in several patches per vendor and then decided to merge
it. I can repost it with one patch per vendor if this preferred.
====================

Link: https://lore.kernel.org/r/20230908143215.869913-1-bigeasy@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

17 files changed, 16 insertions, 22 deletions

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index f955bde10cf90a..b5bca481483099 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -1828,7 +1828,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi,
 	}
 
 	if (xdp_flags & ENA_XDP_REDIRECT)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	return work_done;
 
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index 35461165de0d2a..30bec47bc665bf 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -1655,7 +1655,7 @@ out:
 	rx_ring->stats.bytes += rx_byte_cnt;
 
 	if (xdp_redirect_frm_cnt)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (xdp_tx_frm_cnt)
 		enetc_update_tx_ring_tail(tx_ring);
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 77c8e9cfb44562..b833467088811d 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1832,7 +1832,7 @@ rx_processing_done:
 	rxq->bd.cur = bdp;
 
 	if (xdp_result & FEC_ENET_XDP_REDIR)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	return pkt_received;
 }
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 0b3a27f118fb97..d680df615ff952 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2405,7 +2405,7 @@ void i40e_update_rx_stats(struct i40e_ring *rx_ring,
 void i40e_finalize_xdp_rx(struct i40e_ring *rx_ring, unsigned int xdp_res)
 {
 	if (xdp_res & I40E_XDP_REDIR)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (xdp_res & I40E_XDP_TX) {
 		struct i40e_ring *xdp_ring =
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
index c8322fb6f2b37f..7e06373e14d98e 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
@@ -450,7 +450,7 @@ void ice_finalize_xdp_rx(struct ice_tx_ring *xdp_ring, unsigned int xdp_res,
 	struct ice_tx_buf *tx_buf = &xdp_ring->tx_buf[first_idx];
 
 	if (xdp_res & ICE_XDP_REDIR)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (xdp_res & ICE_XDP_TX) {
 		if (static_branch_unlikely(&ice_xdp_locking_key))
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index dd03b017dfc518..94bde2cad0f475 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2421,7 +2421,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 	}
 
 	if (xdp_xmit & IXGBE_XDP_REDIR)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (xdp_xmit & IXGBE_XDP_TX) {
 		struct ixgbe_ring *ring = ixgbe_determine_xdp_ring(adapter);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index 1703c640a434db..59798bc33298f1 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -351,7 +351,7 @@ construct_skb:
 	}
 
 	if (xdp_xmit & IXGBE_XDP_REDIR)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (xdp_xmit & IXGBE_XDP_TX) {
 		struct ixgbe_ring *ring = ixgbe_determine_xdp_ring(adapter);
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 61a430e5bc9191..90817136808d46 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2520,7 +2520,7 @@ next:
 		mvneta_xdp_put_buff(pp, rxq, &xdp_buf, -1);
 
 	if (ps.xdp_redirect)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (ps.rx_packets)
 		mvneta_update_stats(pp, &ps);
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 463e89d3f17aa3..f11a3f6540b03c 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4027,7 +4027,7 @@ err_drop_frame:
 	}
 
 	if (xdp_ret & MVPP2_XDP_REDIR)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (ps.rx_packets) {
 		struct mvpp2_pcpu_stats *stats = this_cpu_ptr(port->stats);
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 82b51072aad849..b9c4ad69eec9c1 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2211,7 +2211,7 @@ rx_done:
 	net_dim(&eth->rx_dim, dim_sample);
 
 	if (xdp_flush)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	return done;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
index 12f56d0db0af2f..cc3fcd24b36d6b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
@@ -893,7 +893,7 @@ void mlx5e_xdp_rx_poll_complete(struct mlx5e_rq *rq)
 	mlx5e_xmit_xdp_doorbell(xdpsq);
 
 	if (test_bit(MLX5E_RQ_FLAG_XDP_REDIRECT, rq->flags)) {
-		xdp_do_flush_map();
+		xdp_do_flush();
 		__clear_bit(MLX5E_RQ_FLAG_XDP_REDIRECT, rq->flags);
 	}
 }
diff --git a/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c b/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c
index 5d9db8c2a5b437..45be6954d5aaea 100644
--- a/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c
+++ b/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c
@@ -256,7 +256,7 @@ nfp_nfd3_xsk_rx(struct nfp_net_rx_ring *rx_ring, int budget,
 	nfp_net_xsk_rx_ring_fill_freelist(r_vec->rx_ring);
 
 	if (xdp_redir)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (tx_ring->wr_ptr_add)
 		nfp_net_tx_xmit_more_flush(tx_ring);
diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
index 8d2d7ea2ebefc6..c9e17a8208a901 100644
--- a/drivers/net/ethernet/sfc/efx_channels.c
+++ b/drivers/net/ethernet/sfc/efx_channels.c
@@ -1260,7 +1260,7 @@ static int efx_poll(struct napi_struct *napi, int budget)
 
 	spent = efx_process_channel(channel, budget);
 
-	xdp_do_flush_map();
+	xdp_do_flush();
 
 	if (spent < budget) {
 		if (efx_channel_has_rx_queue(channel) &&
diff --git a/drivers/net/ethernet/sfc/siena/efx_channels.c b/drivers/net/ethernet/sfc/siena/efx_channels.c
index 1776f7f8a7a90e..a7346e965bfe70 100644
--- a/drivers/net/ethernet/sfc/siena/efx_channels.c
+++ b/drivers/net/ethernet/sfc/siena/efx_channels.c
@@ -1285,7 +1285,7 @@ static int efx_poll(struct napi_struct *napi, int budget)
 
 	spent = efx_process_channel(channel, budget);
 
-	xdp_do_flush_map();
+	xdp_do_flush();
 
 	if (spent < budget) {
 		if (efx_channel_has_rx_queue(channel) &&
diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index d9cfafb9608566..0891e9e49ecb58 100644
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -780,7 +780,7 @@ static void netsec_finalize_xdp_rx(struct netsec_priv *priv, u32 xdp_res,
 				   u16 pkts)
 {
 	if (xdp_res & NETSEC_XDP_REDIR)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (xdp_res & NETSEC_XDP_TX)
 		netsec_xdp_ring_tx_db(priv, pkts);
diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c
index 0ec85635dfd60a..764ed298b57081 100644
--- a/drivers/net/ethernet/ti/cpsw_priv.c
+++ b/drivers/net/ethernet/ti/cpsw_priv.c
@@ -1360,7 +1360,7 @@ int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
 		 *  particular hardware is sharing a common queue, so the
 		 *  incoming device might change per packet.
 		 */
-		xdp_do_flush_map();
+		xdp_do_flush();
 		break;
 	default:
 		bpf_warn_invalid_xdp_action(ndev, prog, act);
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 27406aee2d4029..e8822bd595f9ab 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -1025,12 +1025,6 @@ int xdp_do_redirect_frame(struct net_device *dev,
 			  struct bpf_prog *prog);
 void xdp_do_flush(void);
 
-/* The xdp_do_flush_map() helper has been renamed to drop the _map suffix, as
- * it is no longer only flushing maps. Keep this define for compatibility
- * until all drivers are updated - do not use xdp_do_flush_map() in new code!
- */
-#define xdp_do_flush_map xdp_do_flush
-
 void bpf_warn_invalid_xdp_action(struct net_device *dev, struct bpf_prog *prog, u32 act);
 
 #ifdef CONFIG_INET